阅读说明：本技术 一种手持充电式打磨装置 (Handheld rechargeable grinding device ) 是由 倪惠浩 张小虎 李海贤 何雄辉 陶可鹏 舒霖铿 黎国华 周乐 于 2020-06-15 设计创作，主要内容包括：本发明涉及电力设备清洁技术领域,更具体的是涉及一种手持充电式打磨装置,包括壳体、打磨头、驱动装置、控制装置、操作杆；控制装置包括控制芯片、控制开关和控制器；控制芯片分别与驱动装置、控制开关和控制器电连接,驱动装置设置在壳体内部,驱动装置与打磨头连接,操作杆与壳体可拆卸连接。本发明通过设置控制装置,可以根据实际检修环境,通过控制开关或控制器随时精准控制驱动装置的工作状态和运转转速,以适应多变的检修情况,同时更为节能,可大大延长装置野外工作时间,携带使用更加便捷。(The invention relates to the technical field of cleaning of power equipment, in particular to a handheld rechargeable polishing device, which comprises a shell, a polishing head, a driving device, a control device and an operating rod, wherein the shell is provided with a plurality of grooves; the control device comprises a control chip, a control switch and a controller; the control chip is respectively electrically connected with the driving device, the control switch and the controller, the driving device is arranged in the shell, the driving device is connected with the polishing head, and the operating rod is detachably connected with the shell. According to the invention, by arranging the control device, the working state and the running rotating speed of the driving device can be precisely controlled at any time by controlling the switch or the controller according to the actual maintenance environment so as to adapt to variable maintenance conditions, meanwhile, the energy is saved, the field working time of the device can be greatly prolonged, and the device is more convenient to carry and use.)

1. A handheld rechargeable grinding device is characterized by comprising a shell (1), a grinding head (2), a driving device (3), a control device (5) and an operating rod (6); the control device (5) comprises a control chip (51), a control switch (52) and a controller (53); the control chip (51) is respectively electrically connected with the driving device (3), the control switch (52) and the controller (53), the driving device (3) is arranged inside the shell (1), the driving device (3) is fixedly connected with the polishing head (2), and the operating rod (6) is detachably connected with the shell (1).

2. The hand-held rechargeable grinding device according to claim 1, wherein the control chip (51) is disposed inside the housing (1), the control switch (52) is disposed on the housing (1), and the controller (53) is disposed on the operating rod (6).

3. The hand-held rechargeable grinding device according to claim 2, wherein the control switch (52) is electrically connected with the control chip (51) in a wired manner, the controller (53) is connected with the control chip (51) in a wireless communication manner, and the control chip (51) is electrically connected with the driving device (3) in a wired manner; the controller is provided with a plurality of control key positions, and the control switch (52) is any one of a button switch, a knob switch and a push plate switch.

4. A hand-held rechargeable sharpening device according to claim 3, wherein the wireless communication connection between said control chip (51) and said controller (53) is by infrared or bluetooth.

5. The handheld rechargeable grinding device according to claim 2, wherein the housing (1) is made of an insulating material and comprises an upper housing (11) and a lower housing (12), the upper housing (11) is detachably connected with the lower housing (12), the upper housing (11) is provided with a first through hole (111), the control switch (52) is arranged on the upper housing (11) through the first through hole (111), and the lower housing (12) is provided with a second through hole (121).

6. The handheld rechargeable grinding device as claimed in claim 3 or 5, wherein the control chip (51) is further electrically connected with a power source (4), the power source (4) is installed on a charging seat (42) provided with a charging interface (41), the charging interface (41) is externally arranged on the lower shell (12) through the second through hole (121), and the power source (4) is a rechargeable battery.

7. The hand-held rechargeable grinding device according to claim 1, further comprising a protective cover (13) and a connecting member (14), wherein the connecting member (14) is fixedly connected with one end of the housing (1) close to the operating rod (6), and the operating rod (6) is connected with the housing (1) through the connecting member (14); the protective cover (13) is fixedly connected with one end, close to the driving device (3), of the shell (1), and the protective cover (13) is further provided with a third through hole (131) matched with the driving device (3).

8. The hand-held rechargeable grinding device according to claim 7, wherein the operating rod (6) is a telescopic insulation structure, and the operating rod (6) is detachably connected with the housing (1) through a connecting piece (14).

9. The hand-held rechargeable grinding device according to claim 7, wherein the driving device (3) is a dc motor, and an output shaft of the dc motor passes through the third through hole (131) to be detachably connected to the grinding head (2).

10. The handheld rechargeable grinding device according to claim 9, wherein the grinding head (2) is provided with a mounting hole (21), the grinding head (2) is detachably connected with an output shaft of the direct current motor through the mounting hole (21), and a grinding layer (22) is further wrapped outside the grinding head (2).

Technical Field

The invention relates to the technical field of power equipment, in particular to a handheld rechargeable polishing device.

Background

In the long-term operation process of power system equipment, metal parts are easy to corrode and oxidize due to the action of an electric field and the acidity and alkalinity of the environment, the treatment of the metal parts subjected to corrosion oxidation is important work for transformer maintainers, the traditional treatment method is to adopt common polishing tools such as sand paper and a steel wire brush to treat the contact surface subjected to corrosion oxidation, and the method is slow in speed, poor in effect and lack of special tools. The work belongs to high-altitude work, a maintainer needs to stand on primary equipment for working, the staff is easy to lose balance in the wiping process, and the risk of falling from the high altitude exists; moreover, the physical constitution of the personnel is examined in the high-altitude operation, which is easy to cause the fatigue of the personnel; when the isolating switch in the 10kV high-voltage cabinet is processed, the common tool is difficult to meet the operation requirement due to narrow space, and the efficiency is low.

Chinese patent CN201420418429.8 provides a cleaning tool for electrified knife switch, which comprises a motor, an insulating support rod and a rechargeable lithium battery, wherein two ends of a hollow connecting pipe are respectively sleeved with an output shaft of the motor and a connecting rod of a sander; the fixed sleeve is coated on the outer surface of the other end of the motor; and the side of the fixed sleeve is locked and fixed by two groups of screws and nuts at least, the insulating support rod is inserted into the other end of the fixed sleeve, the insulating support rod and the fixed sleeve are fixed by a locking structure, and the power supply is arranged at the inner adaptive position of one end, close to the motor, of the insulating support rod. However, the insulating support rod and the fixed sleeve are fixed by the locking structure, and the insulating support rod and the fixed sleeve cannot be detached when a low-position electric device such as an isolating switch in a high-voltage cabinet is polished, so that the problem of inconvenient use is caused; and owing to do not be provided with suitable controlling means, when polishing eminence power equipment, can only let the device be in the on-state always, can't control the switch of motor at any time, comparatively inconvenient in the control, can cause the waste of electric energy and the condition emergence of mistake polishing simultaneously, can not adapt to complicated operation environment, because polishing device takes the field operation usually, the power supply all relies on built-in battery, consequently can make things convenient for controlling means's operating condition to seem especially important.

Disclosure of Invention

The invention provides a handheld remote control type polishing device with a control device, which can control the state of the device at any time, and aims to overcome the defect that the motor in the prior art is inconvenient to work and control.

In the technical scheme, the handheld rechargeable polishing device comprises a shell, a polishing head, a driving device, a control device and an operating rod; the control device comprises a control chip, a control switch and a controller; the control chip is respectively electrically connected with the driving device, the control switch and the controller, the driving device is arranged in the shell, the driving device is connected with the polishing head, and the operating rod is detachably connected with the shell.

According to the invention, the control device is arranged, an operator sends a control signal to the control chip through the control switch or the controller, and after the control chip receives the control signal, the control chip can control and change the pause or the operation of the driving device and the operating rotating speed, so that the grinding device is accurately controlled, the situation that the grinding device is always in an operating state in the use process and is mistakenly touched to a position not required to be ground to damage electric equipment is avoided, and the accurate control of the rotating speed of the grinding device can lead the device to select different rotating speeds according to different corrosion degrees of the electric equipment, so that the energy and the electricity are saved, and the field operation duration of the grinding device is greatly prolonged. Simultaneously, the setting of detachable action bars makes grinding device can adapt to the not power equipment operational environment of co-altitude.

The control device in the scheme has two control modes, namely a wireless control mode and a wired control mode, wherein the wired control mode is realized by installing a control switch of the control device on the shell, and the wireless control mode is realized by installing a controller of the control device on the operating rod; when the electric equipment at a low position is polished, the operating rod is detached from the shell, and a worker can hold the shell of the device for polishing, so that the operating state of the driving device can be controlled directly through the control switch on the shell; operating rod and casing erection joint during the power equipment of eminence of polishing, the staff removes grinding device through the operating rod and carries out the work of polishing, place suitable position of polishing with grinding device earlier, then the long-range drive arrangement that opens of controller in the operation of rethread, the controller through on the operating rod after the completion of polishing is long-range drive arrangement that closes immediately, reach the purpose of controlling means operating condition at any time, prevent that grinding device from touching the position that need not to polish, destroy electric power system, it is more convenient in the use, the device is power saving more also, can prolong device's field work time greatly.

As a further improved structure, the control chip is arranged inside the shell, the control switch is arranged on the shell, and the controller is arranged on the operating rod. The shell can protect the control chip and prevent the control chip from being damaged by rainwater or thought as the control chip is an electronic component; simultaneously when the operation of low department, the staff directly holds the grinding device casing, carries out circuit system's cleaning work, can be at any time through the operating condition of the inside drive arrangement of control switch control casing on the casing, and need use the action bars when the eminence operation, and the staff can pass through the operating condition of the inside drive arrangement of controller remote control casing on the action bars for whole device can adapt to changeable operational environment, makes things convenient for more high-efficient in the use. It should be noted that the controller is disposed on the operation rod only as a preferable solution, and the controller may be mounted at other places to achieve the purpose of this solution, for example, the controller may be disposed as an independent component, so that the remote control of the driving device may also be achieved.

As a further improved structure form, the control switch is electrically connected with the control chip in a wired mode, the controller is in wireless communication connection with the control chip, and the control chip is electrically connected with the driving device in a wired mode; the controller is provided with a plurality of key positions, and the control switches are common speed regulating switches such as button switches, knob switches, push plate switches and the like. Wherein the controller is provided with four key positions of stop/start, 1 gear, 2 gears and 3 gears, and the control switch can regulate the speed by three gears; the arrangement can save the wiring between the controller and the control chip, the operation rod can not be carried during low-position operation, the field carrying is more convenient, and the operation of the driving device is remotely controlled by the controller in a wireless way by carrying the operation rod during high-position operation; and the many gears of controller and control switch set up, and aim at selects different gears to the power equipment of different corrosion degrees, and the different rotational speed of control drive arrangement is polished, further reduces the loss of electric quantity, extension device duration. It should be noted that the wireless communication connection between the controller and the control chip is only a preferable mode, and is not a limitation of the present embodiment, and the controller and the control chip are electrically connected by wire, and as long as the connection wire is long enough, the remote control of the driving device can be realized.

As a further improved structure, the wireless communication connection between the control chip and the controller is a common wireless communication method such as infrared ray or bluetooth. The infrared remote control has strong anti-interference capability, is suitable for being used in an electric field environment, has low power consumption, mature technology and low cost, and is easy to realize on a polishing device; the Bluetooth remote control can adopt 4.0 or more versions, the power consumption is lower, the control distance is longer, the remote control can be realized without aligning the controller with equipment, and the use is more convenient when the Bluetooth remote control is applied to a grinding device.

As a further improved structural form, the shell is made of an insulating material and comprises an upper shell and a lower shell, the upper shell is detachably connected with the lower shell, the upper shell is provided with a first through hole, the control switch is arranged on the upper shell in a penetrating mode through the first through hole, and the lower shell is provided with a second through hole. Because grinding device uses on power equipment's the maintenance, the casing that insulating material made can prevent that device inner circuit and outside power equipment circuit from influencing each other, causes unexpected circumstances such as short circuit to take place, goes up casing and lower casing accessible helicitic texture and dismantles the connection, and the form of this kind of combination is convenient for change the maintenance of device internals.

As a further improved structure, the control device is further provided with a power supply, the power supply is installed on a charging seat provided with a charging interface, the charging interface is arranged on the lower shell in an exposed manner through the second through hole, and the power supply is a rechargeable battery such as a lithium ion battery, a nickel-hydrogen battery, a nickel-chromium battery and the like, can be a single battery, and can also be a battery pack consisting of a plurality of batteries. The aim at that sets up like this, through the interface that charges before the field work to the battery full charge, the job site need not be to the device wiring power supply, avoids not finding suitable power circumstances, and energy density such as lithium ion battery is higher simultaneously, consequently does benefit to the volume and the weight that reduce the device, conveniently carries more. It should be noted that the configuration of the charging interface with a rechargeable battery is a preferred solution, and is not to be understood as a limitation of the present invention, and other solutions, such as a detachable and replaceable battery, can also achieve the purpose of easy carrying and use, and are also within the scope of the present invention.

As a further improved structure form, the device also comprises a protective cover and a connecting piece, wherein the connecting piece is fixedly connected with one end of the shell, which is close to the operating rod, and the operating rod is connected with the shell through the connecting piece; the protective cover is fixedly connected with one end, close to the driving device, of the shell, and a third through hole matched with the driving device is further formed in the protective cover. One end of the shell can be wrapped by the protective cover, only one part of the drive device is extended out through the third through hole to be connected with the polishing head, and the drive device and the like in the device are prevented from contacting with power equipment; the connecting piece both ends are provided with helicitic texture, and the helicitic texture of one end is screwed fixedly with last casing, lower casing, and the other end can be connected fixedly with the action bars.

As a further improved structural form, the operating rod is of a telescopic insulating structure, and the operating rod is detachably connected with the shell through a connecting piece. The polishing device is applied to the maintenance of the power equipment, and the operating rod made of the insulating material can prevent the power equipment from contacting with the operating rod to cause the dangerous condition of electric shock of an operator; in addition, the operating rod is arranged in a telescopic mode, the telescopic length range is 1-4 m, the longer the operating rod is, the lower the device is, the better the device is controlled, and due to the arrangement, an operator can select different lengths according to different operation heights, and the device can be controlled more conveniently.

As a further improved structural form, the driving device is a direct current motor, and an output shaft of the direct current motor penetrates through the third through hole to be detachably connected with the polishing head. The rotating speed of the direct current motor is 3000-5000 r/min, the rotating speed of the direct current motor is stable and uniform, and a better polishing effect can be achieved.

As a further improved structure, the polishing head is provided with a mounting hole, the polishing head is detachably connected with an output shaft of the direct current motor through the mounting hole, and a polishing layer is further wrapped outside the polishing head. After the device is used for a long time, the polishing head is abraded more and more seriously, and the polishing effect is lost, so that the polishing head is convenient to replace; wherein, the material of the polishing layer is 3M nylon material, sand paper, steel wire, etc.

Compared with the prior art, the beneficial effects are:

according to the invention, by arranging the control device, an operator sends a wired control signal to the control chip through the control switch or sends a wireless control signal to the control chip through the controller, after the control chip receives the control signal, the control chip can control and change the pause or operation and the operating rotating speed of the driving device, so that the polishing device can be accurately and remotely controlled, the polishing device is more convenient and practical, the situation that the polishing device is always in an operating state and is mistakenly touched to a position which does not need polishing to damage electric equipment is avoided, and the device can select different rotating speeds according to different corrosion degrees of the electric equipment by accurately controlling the operating rotating speed of the polishing device, so that the energy and the power are saved, and the field operation duration of the polishing device is greatly prolonged. Simultaneously, the setting of detachable action bars makes grinding device can further adapt to changeable power equipment operational environment.

Drawings

FIG. 1 is an exploded view of an embodiment of a hand-held remote-controlled grinding apparatus of the present invention;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the hand-held remote-controlled polishing apparatus of the present invention;

FIG. 3 is a schematic diagram of the internal structure of an embodiment of the hand-held remote-controlled grinding apparatus of the present invention;

FIG. 4 is a schematic diagram of a controller of an embodiment of the hand-held remote-controlled polishing apparatus of the present invention;

fig. 5 is a schematic view of a sanding head of an embodiment of the hand-held remote operated sanding device of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings: