CN110994457B - Automatic locking device - Google Patents
Automatic locking device Download PDFInfo
- Publication number
- CN110994457B CN110994457B CN201911320999.7A CN201911320999A CN110994457B CN 110994457 B CN110994457 B CN 110994457B CN 201911320999 A CN201911320999 A CN 201911320999A CN 110994457 B CN110994457 B CN 110994457B
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- arm
- fixed
- jaw
- movable
- fixedly connected
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- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000012212 insulator Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Transmission Devices (AREA)
Abstract
The invention relates to the field of electric power safety, in particular to an automatic locking device in a high-voltage grounding maintenance device, which comprises an insulating rod, a fixed seat fixedly connected with the insulating rod, a fixed arm fixedly connected with the fixed seat, a movable arm rotatably connected with the fixed arm and a driving device, wherein the fixed seat is fixedly connected with the insulating rod; the driving device is fixedly connected to the fixed seat; the invention adopts the power driving device, and improves manual labor into manual automatic control, thereby saving the labor force of maintainers and improving the working efficiency in unit time; the gear is meshed with the rack, and the rack drives the rotating arm to rotate, so that the locking action of the locking mechanism is realized, the transmission mode is stable in movement, and the instability of automatic equipment in high-altitude operation is avoided; the device has a wide application range, can be used in other technical fields, is convenient to use, has good clamping force on the charged body, is firm in contact, and ensures the working safety of maintainers.
Description
Technical Field
The utility model relates to a locking device especially relates to an automatic locking device, belongs to electric power engineering safety appurtenance.
Background
In the routine maintenance of high-voltage lines, grounding protection work is required to ensure the safety of operating personnel. The existing high-voltage wire locking clamp matched with the grounding rod can be used for carrying out adaptive adjustment such as height lifting adjustment, inclination angle adjustment and the like, but is mostly fixed by adopting a mechanical nut, a corresponding tool needs to be manually carried to carry out high-altitude manual operation, and the high-altitude operation is very inconvenient for maintenance personnel to operate; in addition, the existing high-voltage wire locking clamp needs to be respectively adjusted in lifting and horizontal angles, so that the operation steps are complex and the structure is complex. Based on the problem, the utility model provides an automatic locking device.
SUMMERY OF THE UTILITY MODEL
The automatic locking device is characterized in that:
the utility model aims to solve the technical problem that an automatic locking device with simple and convenient use, safety and reliability is provided.
The utility model adopts the following technical scheme: the device comprises an insulating rod, a fixed seat fixedly connected with the insulating rod, a fixed arm fixedly connected with the fixed seat, a movable arm rotatably connected with the fixed arm and a driving device;
the driving device is fixedly connected to the fixed seat;
the fixing arm comprises a fixing jaw which is rotatably connected to the fixing arm;
the movable arm is provided with a movable jaw which is rotatably connected with the movable arm;
a groove matched with the thickness of the fixed jaw is formed in the movable jaw;
the driving device comprises a three-phase asynchronous motor, a gear and a rack;
the movable arm also comprises a movable bent arm;
the output shaft of the three-phase asynchronous motor is fixedly connected with the gear, the rack is meshed with the gear, and the rack is connected to the other end of the movable bent arm in a sliding mode.
Further: the fixed arm also comprises a fixed bent arm and a first jaw snap ring;
the first jaw clamping ring is fixedly connected with one end of the fixed bent arm, the fixed jaw is rotatably connected with the jaw clamping ring, and the other end of the fixed bent arm is fixedly connected to the fixed seat.
Further: the movable arm comprises a movable jaw, a movable bent arm and a second jaw clamping ring;
the second jaw snap ring is fixedly connected to one end of the movable bent arm, and the movable jaw is rotatably connected with the second jaw snap ring.
Further: the driving device also comprises a guide block and a fixing plate;
the fixed plate is fixedly connected to the fixed seat, the guide block is fixedly connected to the fixed plate, a T-shaped groove is formed in the guide block, the cross section of the rack is T-shaped, and the rack slides in the T-shaped groove of the guide block.
Further: still include with insulator spindle fixed connection's connecting rod, the connecting rod is scalable.
Further: the wire fixing nail is in threaded connection with the fixing seat, the nut is fixed, and the wire harness can be fixed through the fixing handle in threaded connection on the wire fixing nail.
Further: the working surfaces of the fixed jaw and the movable jaw are both of sawtooth anti-skid structures.
Further: a power supply and a switch are arranged in the insulating rod;
the power supply is connected with the asynchronous motor through switch control;
the switch is provided with a pull wire for controlling the switch to be opened and closed.
Further: be provided with the guard shield in the drive arrangement outside, prevent to overhaul the in-process and rain damage motor.
Further: the three-phase asynchronous motor has a brake function, and the principle is that a brake device is additionally arranged at the tail of the three-phase asynchronous motor, when the motor is powered on, the brake device is also powered on, the brake device is separated from an output shaft of the three-phase asynchronous motor, the motor normally runs, when the power is off, the brake is released, a motor shaft is tightly held to realize power-off self-locking, the model of the three-phase asynchronous motor is ETEF ETVF 0.18KW, and the nameplate is an east-yuan motor.
Advantageous effects
(1) The utility model discloses a three-phase asynchronous motor realizes the locking to the high-voltage line through drive arrangement and locking mechanism as the power supply of this device. Compared with the prior art, the manual labor is improved into manual automatic control by adopting the power driving device, so that the labor force of maintainers is saved, and the working efficiency is improved in unit time.
(2) The utility model discloses a gear and rack meshing, rack drive rotor arm rotate, realize locking mechanism's locking action, and this transmission mode motion is steady, has avoided automatic equipment's among the high altitude construction instability, compares with prior art, and is more reliable and more stable.
(3) The utility model discloses a fixed arm one end contacts the high-voltage line earlier, and the rotor arm presss from both sides tight high-voltage line through rotating, and regular jaw all adopts anti-skidding tooth structure with movable vice jaw to design regular jaw and the criss-cross appearance structure of movable vice jaw, with the high-voltage line or the locking thing of adaptation different diameters. Compared with the prior art, locking device uses the part to simplify more, and can adapt to different locking targets, improves the utility model discloses an application range reduces the instrument kind, and the outdoor working personnel need not to carry multiple instrument and carries out the operation.
(4) The utility model adopts the insulating rod with the power supply and the switch inside, and the battery can provide energy for the three-phase asynchronous motor; the lower end pull wire is communicated with the switch to control the starting and stopping of the motor. Meanwhile, the power element adopts a three-phase asynchronous motor with a brake function, and the three-phase asynchronous motor is locked after locking and power failure, so that locking failure cannot be caused. Compared with the prior art, the safety and reliability in the power maintenance work can be better guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a partially enlarged view of the jaw portion of the present invention;
FIG. 4 is a partially enlarged view of the driving device of the present invention;
FIG. 5 is a partially enlarged view of the fixing base of the present invention;
FIG. 6 is a partially enlarged view of the movable arm of the present invention;
fig. 7 is a partial cross-sectional view of the novel insulator rod used in the present invention.
The device comprises a movable jaw 1, a fixed jaw 2, a fixed bent arm 3, a fixed plate 4, a three-phase asynchronous motor 5, a gear 6, a motor fixed plate 7, a rack 8, a rack guide block 9, an insulating rod 10, a power switch seat 11, a wire fixing nail 12, a fixed seat 13, a movable bent arm 14, a first jaw clamping ring 151, a second jaw clamping ring 152, a shield 16, a pin shaft 17, a spacer bush 18, a power supply 19, a switch 20 and a pull wire 21.
Examples
The invention is described in detail below by way of example with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, 2, 3, 4, 5, 6, and 7, the present invention provides an automatic locking device, which comprises: insulator spindle 10 of being connected with the earthed pole, the inside power 19 and the switch 20 of being provided with of insulator spindle 10, 10 upper portion fixed connection fixing base 13 of insulator spindle, fixing base 13 and fixed bent arm 3 fixed connection, threaded connection has wire staple 12 on the fixing base 13, the welding has first snap ring 151 of keeping silent on fixed bent arm 3, first snap ring 151 of keeping silent rotates through the rivet with fixed 2 of keeping silent to be connected, fixed bent arm 3 middle part is rotated through the rivet with activity bent arm 14 middle part and is connected, the welding has the second snap ring 152 of keeping silent on the activity bent arm 14, the second is kept silent the snap ring 152 and is rotated through the rivet with rotary jaw 1 and be connected.
As shown in fig. 1, 2 and 4, in addition, the fixing seat 13 is fixedly connected to the fixing plate 4 through screws, the fixing plate 4 is fixedly connected to the motor fixing plate 7 through screws, the motor fixing plate 7 is perpendicular to the fixing plate 4, the three-phase asynchronous motor 5 is fixedly connected to the motor fixing plate 7 through screws, and an output shaft of the three-phase asynchronous motor 5 is connected to the gear 6 through a flat key; a rack guide block 9 is fixedly connected to the fixed plate 4 through a screw, the rack 8 slides on the rack guide block 9, and the rack 8 is meshed with the gear 6; the rack 8 is fixedly connected with one end of a pin shaft 17, the pin shaft 17 is rotatably connected with a spacer 18, the spacer 18 is arranged between the rack 8 and the movable bent arm 14, the pin shaft 17 is fixedly connected with a deep groove ball bearing, the deep groove ball bearing is arranged in a straight groove of the movable bent arm 14, and the other end of the pin shaft 17 is fixedly connected with the movable bent arm 14 through threads.
The working process is as follows:
before the maintenance work, the power maintenance personnel firstly finish the installation of the grounding device, one end of the wire is fixed on the grounding device, the other end of the wire is fixedly connected to the wire fixing nail 12, the connecting rod is fixedly connected with the insulating rod 10, the connecting rod is lifted to drive the high-voltage wire of the device to move in the direction, and when the fixed jaw 2 is touched with the high-voltage wire, the connecting rod stops moving. The maintainer controls the corotation of the three-phase asynchronous motor 5 through the stay wire, the three-phase asynchronous motor drives the gear 6 to move clockwise, the gear 6 drives the rack 8 to move downwards along the guide block 9, the rack 8 drives the pin shaft 17 to move downwards, the deep groove ball bearing on the pin shaft 17 slides in the straight groove of the movable bent arm 14, the movable bent arm 14 is driven to do anticlockwise circular motion around the rotating connection point of the fixed bent arm 3 and the movable bent arm 14, the movable bent arm 14 drives the movable jaw 1 to rotate towards the fixed jaw 2 until the high-voltage wire is locked, the fixed jaw 2 and the rotating jaw 1 can be crossed, the high-voltage wire with a smaller diameter can be locked, the high-voltage wire with the smaller diameter is suitable for various occasions, the top end of the insulating rod is provided with the power supply 19, and the power supply is supplied to the motor by the power supply 19.
At this time, the maintainer will control the switch 20 to cut off the power and lock the three-phase asynchronous motor through the pull wire 21, so that the fixed jaw 2 and the rotating jaw 1 are clamped and can not be loosened. When the maintenance work is finished, a maintainer controls the switch 20 to electrify the three-phase asynchronous motor 5 through the pull wire 21 to drive the gear 6 to move anticlockwise, the gear 6 drives the rack 8 to move upwards along the guide block 9, the rack 8 drives the pin shaft 17 to move upwards, and the movable bent arm 14 drives the movable jaw 1 to rotate towards the direction far away from the fixed jaw 2 through the sliding of the deep groove ball bearing on the pin shaft 17 in the straight groove of the movable bent arm 14 until the movable jaw 1 is separated from the high-voltage wire.
Example 2
As shown in the accompanying drawings 1, 2, 3, 4, 5, 6 and 7, the gear rack structure can be further set to be a ball screw structure, the output shaft of the three-phase asynchronous motor 5 is fixedly connected with a screw, the three-phase asynchronous motor 5 drives the screw to rotate after being electrified, a nut which is spirally meshed with the screw is converted into a nut to move linearly, the nut is connected with the movable bent arm 14 in a sliding mode, and the movable bent arm 14 drives the movable jaw 1 to rotate through the linear movement of the nut, so that the high-voltage wire is locked.
Example 3
As shown in fig. 1, 2, 3, 4, 5, and 6, the three-phase asynchronous motor 5 may be further replaced with a pneumatic pump as a power source, a piston of the pneumatic pump is fixedly connected with a linear guide, one end of the linear guide is fixedly connected with a pin 17, the linear guide drives the pin 17 to move upward, and the deep groove ball bearing on the pin 17 slides in a straight groove of the movable curved arm 14 to drive the movable curved arm 14 to rotate, so as to lock the high-voltage wire.
Example 4
As shown in fig. 4, the guide block 9 in the preferred embodiment can be further configured as two guide strips made of nylon or wear-resistant material, which are respectively fixed on the fixing plate and on both sides of the rack 8, so as to realize the linear motion of the rack 8.
Claims (7)
1. An automatic locking device, its characterized in that:
the device comprises an insulating rod (10), a fixed seat (13) fixedly connected with the insulating rod (10), a fixed arm fixedly connected with the fixed seat (13), a movable arm rotatably connected with the fixed arm and a driving device;
the driving device is fixedly connected to the fixed seat (13);
the fixing arm comprises a fixing jaw (2) which is rotationally connected to the fixing arm;
the movable arm is provided with a movable jaw (1) which is rotatably connected with the movable arm;
a groove matched with the thickness of the fixed jaw (2) is formed in the movable jaw (1);
the driving device comprises a three-phase asynchronous motor (5), a gear (6) and a rack (8);
the movable arm also comprises a movable bent arm (14);
the output shaft of the three-phase asynchronous motor (5) is fixedly connected with the gear (6), the rack (8) is meshed with the gear (6), and the rack (8) is connected to the other end of the movable bent arm (14) in a sliding mode.
2. An automatic locking device according to claim 1, characterized in that:
the fixing arm also comprises a fixing bent arm (3) and a first jaw snap ring (151);
first snap ring (151) and fixed curved boom (3) one end fixed connection of keeping silent, fixed keep silent (2) with snap ring (151) of keeping silent rotate to be connected, fixed curved boom (3) other end fixed connection be in on fixing base (13).
3. An automatic locking device according to claim 1, characterized in that:
the moveable arm further comprises a second jaw snap ring (152);
the second jaw snap ring (152) is fixedly connected to one end of the movable bent arm (14), and the movable jaw (1) is rotatably connected with the jaw snap ring (152).
4. An automatic locking device according to claim 3, characterized in that:
the driving device also comprises a guide block (9) and a fixing plate (4);
fixed plate (4) fixed connection be in on fixing base (13), guide block (9) fixed connection is on fixed plate (4), be provided with the T-slot on guide block (9), rack (8) cross-section is the T shape, rack (8) are in guide block (9) T inslot slides.
5. An automatic locking device according to claim 1, characterized in that:
the connecting rod is fixedly connected with the insulating rod (10).
6. An automatic locking device according to claim 1, characterized in that:
still include wire staple (12), wire staple (12) fixed connection be in on fixing base (13).
7. An automatic locking device according to claim 2 or 3, characterized in that:
the working surfaces of the fixed jaw (2) and the movable jaw (1) are zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911320999.7A CN110994457B (en) | 2019-12-19 | 2019-12-19 | Automatic locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911320999.7A CN110994457B (en) | 2019-12-19 | 2019-12-19 | Automatic locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110994457A CN110994457A (en) | 2020-04-10 |
| CN110994457B true CN110994457B (en) | 2021-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911320999.7A Active CN110994457B (en) | 2019-12-19 | 2019-12-19 | Automatic locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110994457B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317642B (en) * | 2020-10-15 | 2023-04-18 | 广东电网有限责任公司广州供电局 | Three-core cable elbow type terminal bending device in switch cabinet |
| CN116470432A (en) * | 2023-03-21 | 2023-07-21 | 南通恒联通讯设备有限公司 | Firm and be convenient for maintenance leak cable feeder fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842489A (en) * | 2016-04-19 | 2016-08-10 | 广西大学 | Novel high-altitude wire connecting clamp |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112602Y (en) * | 2007-10-11 | 2008-09-10 | 上海千驰电力设备有限公司 | Grounding wire clamp operation bar with oscillating pincers head |
| CN102891379A (en) * | 2012-10-30 | 2013-01-23 | 辽宁省电力有限公司盘锦供电公司 | Equipment wire clamp |
| CN203688640U (en) * | 2014-02-10 | 2014-07-02 | 国家电网公司 | Drainage apparatus for end screen microcurrent of combined current and voltage transformer on overhead framework |
| CN204858416U (en) * | 2015-08-18 | 2015-12-09 | 广东电网有限责任公司惠州供电局 | Debris clearance anchor clamps of distribution framework |
| CN106314456B (en) * | 2016-08-30 | 2018-12-04 | 中车齐齐哈尔车辆有限公司 | Draw the vertical regulating mechanism of pin mount |
| CN106346419A (en) * | 2016-11-29 | 2017-01-25 | 奇瑞汽车股份有限公司 | Novel electric clamp pliers |
| JP2018136130A (en) * | 2017-02-20 | 2018-08-30 | 中国電力株式会社 | Clamp ammeter fitting device |
| CN106735527B (en) * | 2017-03-08 | 2019-12-06 | 国家电网公司 | Electric bolt clipper |
| CN206516782U (en) * | 2017-03-16 | 2017-09-22 | 湖南铁道职业技术学院 | Multi-purpose type electric power facility safety grounding device |
| CN109482782A (en) * | 2018-11-08 | 2019-03-19 | 国网河南省电力公司巩义市供电公司 | It can livewire work bolt clipper |
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2019
- 2019-12-19 CN CN201911320999.7A patent/CN110994457B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842489A (en) * | 2016-04-19 | 2016-08-10 | 广西大学 | Novel high-altitude wire connecting clamp |
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| CN110994457A (en) | 2020-04-10 |
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