CN211579372U - Electrically operated handcart crank - Google Patents
Electrically operated handcart crank Download PDFInfo
- Publication number
- CN211579372U CN211579372U CN202020265231.6U CN202020265231U CN211579372U CN 211579372 U CN211579372 U CN 211579372U CN 202020265231 U CN202020265231 U CN 202020265231U CN 211579372 U CN211579372 U CN 211579372U
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- output shaft
- motor
- connector
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 238000003780 insertion Methods 0.000 claims abstract description 14
- 230000037431 insertion Effects 0.000 claims abstract description 14
- 230000001012 protector Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to an electrically operated handcart crank, which comprises a long shell-shaped machine body, wherein a motor and a speed reducer are arranged in the machine body, a torque protector is arranged on a motor output shaft, a circle number sensor is arranged on a speed reducer output shaft, the speed reducer output shaft extends out from the front end of the machine body, and the end part of the output shaft is provided with an insertion hole; the lower part of the machine body close to the rear end is connected with a first handle which is a handle structure with a cavity arranged inside, an operating button is arranged at the joint of the first handle and the machine body, and a gear shifting sheet is arranged on one side of the machine body; the upper part of the machine body is provided with a digital display device, and the digital display device is connected with the turn number sensor through a lead; a battery bin is arranged on the first handle, a bin door is positioned at the lower part, and a charging socket is arranged at the rear part of the machine body; the handcart crank handle comprises a connector, wherein one end of the connector is a plug end matched with the shape of an insertion hole in an output shaft, and the other end of the connector is provided with a connecting hole matched with the shape of a handle of the handcart crank handle. The crank saves manpower, saves operation time, improves the smoothness of operation and ensures that the operation force is even.
Description
Technical Field
The utility model belongs to the technical field of power equipment, especially, relate to a but electrically operated handcart crank.
Background
The handcart type switch cabinet has three positions of operation, test and maintenance, wherein the switching between the operation position and the test position requires an operator to drive the handcart rocker arm to rotate by shaking a handle on the handcart crank, and then the rear end of the handcart rocker arm is connected with the middle shaft in the cabinet through the spring bayonet lock and is rotated to realize the operation. An operator rotates the crank to drive the screw rod to rotate, so that the switch cabinet trolley moves back and forth. When the trolley switch cabinet is in the running position, the dynamic contact and the static contact are separated. However, in the switching process of the two positions, the moving contact is subjected to the discharging and charging processes, so that the handcart crank is ensured to be quickly and smoothly shaken on or off in the shaking process, otherwise, the problem of burning of the moving contact and the static contact is possibly caused. The handcart rocker arm on some types of equipment is easy to loosen and fall off in the shaking process, so that the operation process of the trolley switch cabinet cannot be smoothly finished in the shaking-in and shaking-out processes, inconvenience is brought to operation, and equipment and personal safety are threatened. When the switch cabinet is locked, because the force applied by each operator is different, a person can apply excessive force instantly, and the structure of the switch cabinet is damaged while the locking is broken. When the bus is stopped, the manual hand-cranking switch cabinet trolley wastes time and energy, and is low in efficiency. For some switch cabinet trolleys with large volume and mass, the manual operation of one person is very laborious.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, but provide a but the electrically operated handcart crank of using manpower sparingly, save operating time, improve the smooth and easy nature of operation, and guarantee the operation hard evenly.
The utility model provides a its technical problem take following technical scheme to realize:
the utility model provides a but electrically operated handcart crank which characterized in that:
the electric motor speed reducer comprises a long-shell-shaped machine body, wherein a motor and a speed reducer connected with the motor are installed in the machine body, a torque protector is installed on an output shaft of the motor, a turn number sensor is installed on the output shaft of the speed reducer, the output shaft of the speed reducer extends out of the front end of the machine body, and an insertion hole capable of realizing circumferential limiting is formed in the end part of the output shaft; the lower part of the machine body close to the rear end is connected with a first handle which is a handle structure with a cavity arranged inside, an operating button for controlling the start and stop of the motor is arranged at the joint of the first handle and the machine body, and a gear shifting sheet for controlling the forward and reverse rotation of the motor is arranged on one side of the machine body; the digital display device is arranged at the upper part of the machine body and is connected with the turn number sensor through a lead; a battery bin for accommodating a storage battery is arranged on the first handle, the bin door is positioned at the lower part, and a charging socket for charging the storage battery is arranged at the rear part of the machine body;
the handcart crank handle connector comprises a connector, wherein one end of the connector is a plug end matched with the shape of an insertion hole in an output shaft, and the other end of the connector is provided with a connecting hole matched with the shape of a handle of a handcart crank handle.
Further: the upper portion of the machine body close to the rear end is connected with a second handle, the second handle and the first handle are arranged oppositely, the lower portion of the machine body close to the front end is connected with a third handle, and the three handles are wrapped with anti-skidding handle sleeves.
Further: the plug-in mounting hole of output shaft tip is the quad slit, and the plug end of connector is square plug end.
Further: the output shaft of the motor and the input shaft of the speed reducer are in transmission connection through a pair of meshed gears.
The utility model has the advantages and positive effect:
adopt the utility model discloses when carrying out the switching operation of transformer substation, save half the left and right time than utilizing traditional crank operation, and can not take place the crank obscission among the operation process, guaranteed the dolly and in the continuity of shaking out the process of shaking into, do not take place to rotate the collision conflict between cabinet body surface obstacles such as crank in-process and five-prevention hasp, use manpower sparingly moreover very much, whole operation process is more smooth and easy before, establishes good basis for guaranteeing power equipment's normal operating.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a bottom view of the present invention;
fig. 4 is a left side view of the present invention;
FIG. 5 is a schematic view of the internal structure of the fuselage of the present invention;
fig. 6 is a schematic structural diagram of the connecting head of the present invention; in the figure, 6a is a left side view, 6b is a front view, 6c is a right side view, and 6d is a perspective view.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
An electrically operated hand cart crank, please refer to fig. 1-6, the invention point is:
the electric vehicle comprises a machine body 1, wherein the machine body is in a long shell shape, a motor 11 and a speed reducer 12 connected with the motor are arranged in the machine body, and an output shaft of the motor and an input shaft of the speed reducer can form transmission connection by adopting but not limited to a pair of meshed gears. The torque protector 14 is mounted on the output shaft of the motor, and has the functions of: when the switch cabinet trolley is shaken to a working position or a test position, the motor can interrupt the output shaft to output force, and the switch cabinet is prevented from being damaged due to improper force application. A turn number sensor 13 is mounted on the output shaft of the reducer for detecting the rotational speed of the output shaft. The output shaft 12.1 of the speed reducer extends out of the front end of the machine body, the end part of the output shaft is provided with an insertion hole, the shape of the insertion hole is ensured to realize circumferential limit, for example, polygonal insertion holes with three sides, four sides, six sides and the like, an oval insertion hole, a nearly circular insertion hole machined with two symmetrical milling flat surfaces and the like. The lower part of the machine body near the rear end is connected with a first handle 7 which can be arranged vertically to the machine body as shown in the attached drawings and can also be arranged at a certain inclination angle. The first handle is a handle structure with a cavity, and a power supply can be arranged in the cavity to supply power to other structural components such as a motor and the like. An operating button 5 is arranged at the joint of the first handle and the machine body to control the motor to start and stop, a gear shifting piece 2 is arranged on one side of the machine body to control the forward and reverse rotation device of the motor, and the forward and reverse rotation switching control of the motor is realized. The upper part of the machine body is provided with a digital display device 9 which is connected with the turn number sensor through a lead and used for displaying the rotation turn number of the output shaft. The battery compartment 6 for holding the storage battery is arranged on the first handle, the compartment door is positioned on the lower part, the charging socket 10 for charging the storage battery is arranged on the rear part of the body, the battery can be charged without taking out the battery direct connection charging wire, and meanwhile, the battery can be charged by the peripheral mobile charging seat.
The handcart handle connector comprises a connector 3, one end of the connector is a plug end 3.1 matched with the shape of a plug hole in an output shaft, and the other end 3.2 of the connector is provided with a connecting hole 3.2.1 matched with the shape of a handle of a handcart crank. And the connection and the joint of various types are actually matched according to the switch cabinets of the transformer substations.
In the above structure: furthermore, the upper part of the machine body close to the rear end is connected with a second handle 8, the second handle is arranged opposite to the first handle, the lower part of the machine body close to the front end is connected with a third handle 4, and the three handles are wrapped with anti-skidding handle sleeves. The three handles are adopted, so that two hands can be conveniently selected to be respectively held on the upper handle and the lower handle or the front handle and the rear handle according to the self operation habit, and the stability during operation is improved.
In the above structure: furthermore, the insertion hole at the end of the output shaft is preferably a square hole, and the plug end of the connector is preferably a square plug end.
This electrically-operated handcart crank's instructions for use:
firstly, selecting a matched connector according to an actually operated switch cabinet, inserting a connector end of the connector into an insertion hole at the output end of a speed reducer, and inserting a connecting hole at the other end of the connector into an insertion connection with a handle end on a handcart crank of the switch cabinet to be operated; pressing operating button, the starter motor drives the handcart rocking arm and rotates, makes the cubical switchboard dolly remove, through the position that changes the gear plectrum, controls the positive and negative rotation of motor to realize the back-and-forth movement of cubical switchboard dolly, when the dolly shakes to operating position or experimental position, moment of torsion protector work makes the motor no longer toward reduction gear transmission torque.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (4)
1. The utility model provides a but electrically operated handcart crank which characterized in that:
the electric motor speed reducer comprises a long-shell-shaped machine body, wherein a motor and a speed reducer connected with the motor are installed in the machine body, a torque protector is installed on an output shaft of the motor, a turn number sensor is installed on the output shaft of the speed reducer, the output shaft of the speed reducer extends out of the front end of the machine body, and an insertion hole capable of realizing circumferential limiting is formed in the end part of the output shaft; the lower part of the machine body close to the rear end is connected with a first handle which is a handle structure with a cavity arranged inside, an operating button for controlling the start and stop of the motor is arranged at the joint of the first handle and the machine body, and a gear shifting sheet for controlling the forward and reverse rotation of the motor is arranged on one side of the machine body; the digital display device is arranged at the upper part of the machine body and is connected with the turn number sensor through a lead; a battery bin for accommodating a storage battery is arranged on the first handle, the bin door is positioned at the lower part, and a charging socket for charging the storage battery is arranged at the rear part of the machine body;
the handcart crank handle connector comprises a connector, wherein one end of the connector is a plug end matched with the shape of an insertion hole in an output shaft, and the other end of the connector is provided with a connecting hole matched with the shape of a handle of a handcart crank handle.
2. The electrically operable hand truck crank of claim 1, wherein: the upper portion of the machine body close to the rear end is connected with a second handle, the second handle and the first handle are arranged oppositely, the lower portion of the machine body close to the front end is connected with a third handle, and the anti-skidding handle sleeves are wrapped outside the three handles.
3. The electrically operable hand truck crank of claim 1, wherein: the plug-in mounting hole of output shaft tip is the quad slit, and the plug end of connector is square plug end.
4. The electrically operable hand truck crank of claim 1, wherein: the output shaft of the motor and the input shaft of the speed reducer are in transmission connection through a pair of meshed gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020265231.6U CN211579372U (en) | 2020-03-06 | 2020-03-06 | Electrically operated handcart crank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020265231.6U CN211579372U (en) | 2020-03-06 | 2020-03-06 | Electrically operated handcart crank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211579372U true CN211579372U (en) | 2020-09-25 |
Family
ID=72526444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020265231.6U Active CN211579372U (en) | 2020-03-06 | 2020-03-06 | Electrically operated handcart crank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211579372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922264A (en) * | 2021-10-11 | 2022-01-11 | 广东电网有限责任公司东莞供电局 | 10kV of transformer substation switch dolly improved generation crank |
| CN114389191A (en) * | 2022-02-08 | 2022-04-22 | 国网江苏省电力有限公司苏州供电分公司 | One-key sequential control switching operation device for switch cabinet handcart |
-
2020
- 2020-03-06 CN CN202020265231.6U patent/CN211579372U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922264A (en) * | 2021-10-11 | 2022-01-11 | 广东电网有限责任公司东莞供电局 | 10kV of transformer substation switch dolly improved generation crank |
| CN114389191A (en) * | 2022-02-08 | 2022-04-22 | 国网江苏省电力有限公司苏州供电分公司 | One-key sequential control switching operation device for switch cabinet handcart |
| CN114389191B (en) * | 2022-02-08 | 2024-01-19 | 国网江苏省电力有限公司苏州供电分公司 | One-key sequential control switching operation device of switch cabinet handcart |
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