CN204538559U - A kind of charged locking cable clamp - Google Patents
A kind of charged locking cable clamp Download PDFInfo
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- CN204538559U CN204538559U CN201520272524.6U CN201520272524U CN204538559U CN 204538559 U CN204538559 U CN 204538559U CN 201520272524 U CN201520272524 U CN 201520272524U CN 204538559 U CN204538559 U CN 204538559U
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- locking
- cable clamp
- travel switch
- limit travel
- drive motors
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Abstract
The utility model provides a kind of charged locking cable clamp, comprise housing, hanging part, push rod, drive lead screw, upper limit travel switch, drive motors, lower limit travel switch, microcontroller, coupling mechanism force detection module and power module and locking pine move back control module, hanging part is fixedly connected with housing, push rod is hollow structure and is socketed with drive lead screw, the lifting nut forming screw thread with drive lead screw and be flexibly connected is fixedly connected with in push rod one end, upper limit travel switch, lower limit travel switch is separately positioned on the upper and lower both sides of lifting nut, meshed transmission gear is passed through between drive motors and drive lead screw, microcontroller respectively with upper limit travel switch, drive motors, lower limit travel switch, coupling mechanism force detection module, power module is electrically connected, coupling mechanism force detection module and drive motors, power module is electrically connected respectively.The utility model can guarantee that maintenance personal reliably, safely carries out live line working to transmission line, improves operating efficiency.
Description
Technical field
The utility model relates to a kind of transmission line locking cable clamp, especially relates to the charged locking cable clamp of one for eliminating transmission line local anomaly heating accident that live line working uses.
Background technology
In transmission line especially ultra-high-tension power transmission line running, usually because the reasons such as splicing fitting loosens or transmission line is impaired cause transmission line local electrical resistance to increase, thus cause transmission line local anomaly to generate heat, even the starting the arc can blow wire and cause transmission line to be stopped transport time serious.Therefore, once there is transmission line local overheating fault, should take measures as early as possible to process, to eliminate accident potential.
At present, for the connection point over-temperature fault of transmission line, the following two kinds method is mainly adopted to process:
First method is, is stopped transport by faulty transmission line, then steps on bar (tower) by line maintenance personnel and carry out respective handling.This processing method often causes unplanned power failure, causes economic loss to user.
Second method is, when not power-off, use a kind of instrument of charged mounted /dismounted wire clip by name at the heating contact two ends of transmission line and connect one group of wire, shunt for overtemperature fault point arranges a parallel branch, to reduce fault point ampacity, alleviate its heating, avoid the further deterioration of fault point situation, when ripe, carry out corresponding overhaul plan again.This processing method needs line maintenance personnel to adopt charged mounted /dismounted wire clip to operate, and first uses action bars to be hanging on wire by charged mounted /dismounted wire clip, then relies on manpower rotation process bar to carry out locking operation.For ensureing enough safe distances, action bars length is generally all more than 2 meters.Because, action bars long by the arm of force rock and the impact of objective factor such as maintainer's work high above the ground inconvenience, cause the difficulty of locking operation very large.In addition, for different maintainers, because there is the factor such as physical difference, working sense of responsibility difference, also easily occurring that coupling mechanism force cannot carry out reliable quantified controlling steadily, making locking effect be difficult to ensure.For a long time, reliably, on-line treatment transmission line contact heating accident steadily, be a large bottleneck of puzzlement transmission line maintenance work always.
Utility model content
The technical problems to be solved in the utility model is: for prior art Problems existing, a kind of charged locking cable clamp is provided, when faulty transmission line does not have a power failure, guarantee that line maintenance personnel reliably, steadily can carry out live line working to faulty transmission line contact.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of charged locking cable clamp, comprises housing, hanging part, push rod, drive lead screw, upper limit travel switch, drive motors, lower limit travel switch, microcontroller, coupling mechanism force detection module and power module and by remote-control receiving circuit, the locking pine of remote controller composition moves back control module, described hanging part one end is fixedly connected with housing, the other end is locking end, described push rod is hollow structure and is socketed with drive lead screw, the lifting nut forming screw thread with drive lead screw and be flexibly connected is fixedly connected with in push rod one end, the described push rod other end is the push side relative with locking end, described upper limit travel switch, lower limit travel switch is separately positioned on the upper and lower both sides of lifting nut, by meshed transmission gear between described drive motors and drive lead screw, described microcontroller respectively with upper limit travel switch, drive motors, lower limit travel switch, coupling mechanism force detection module, power module and remote-control receiving circuit electrical connection, described coupling mechanism force detection module and drive motors, power module is electrically connected respectively.
Preferably, described locking pine moves back control module and also comprises the manual pine moving back operation for Non-follow control charged locking cable clamp pine and back out pass, and described manual pine moves back switch ends and is electrically connected with microcontroller, power module cathode output end respectively.
Preferably, described locking pine moves back control module and also comprises manual locking switch for the charged locking cable clamp locking operation of Non-follow control, and described manual locking switch ends is electrically connected with microcontroller, power module cathode output end respectively.
Preferably, described coupling mechanism force detection module comprises operational amplifier U1, operational amplifier U2 and potentiometer W1, "+" end of described operational amplifier U1 one end is connected with resistance R2 one end, "-" end and resistance R3, R4 one end connects, the operational amplifier U1 other end and the resistance R4 other end, resistance R5 one end connects, the described resistance R2 other end and drive motors, resistance R1 one end connects, resistance R1, R3 other end ground connection, "+" of the described resistance R5 other end and described operational amplifier U2 one end holds, electric capacity C1 one end connects, electric capacity C1 other end ground connection, "-" end of described operational amplifier U2 one end is connected with described potentiometer W1, the operational amplifier U2 other end is connected with microcontroller.
Preferably, described power module comprises rechargeable battery and battery charger, and described rechargeable battery is electrically connected with remote-control receiving circuit, microcontroller, coupling mechanism force detection module respectively.
Preferably, described rechargeable battery adopts high power chargeable lithium cell.
Preferably, also comprise the gear reduction be connected in series by large and small gear, the output shaft of drive motors is fixedly connected with driven wheel, travelling gear is fixedly connected with in drive lead screw one end, gear wheel in described gear reduction and driven wheel engaged transmission, pinion and travelling gear engaged transmission.
Preferably, described drive motors is high torque (HT) DC micromotor.
Preferably, also comprise the shunt line fixture be made up of bolt, nut, the bolt in described shunt line fixture is connected with hanging part.
Preferably, the push side top on described push rod arranges arc groove.
Compared with prior art, the beneficial effects of the utility model are: locking cable clamp complete machine is in use by two supporting paired uses of wire clamp, remote control electric operation can be carried out to locking cable clamp by remote controller, and to be coordinated with lifting nut by drive lead screw and make the push side on push rod make upper and lower rectilinear motion relative to the locking end on hanging part, thus the mutual locking realized between locking cable clamp complete machine and faulty transmission line or get loose, its coupling mechanism force size then can coordinate microcontroller to carry out quantified controlling and adjustment by coupling mechanism force detection module, guarantee to lock shunting effect.Therefore, even when faulty transmission line does not have a power failure, line maintenance personnel also easily can carry out live line working with non-direct contact mode of operation to faulty transmission line contact, and ensure job safety, reliable, be conducive to the labour intensity alleviating operating personnel, improve the operating efficiency of operating personnel, reduce the operating cost of electrical network.
Accompanying drawing explanation
Fig. 1 is the mechanical structure cutaway view of a kind of charged locking cable clamp of the utility model.
Fig. 2 is the circuit control principle block diagram of a kind of charged locking cable clamp of the utility model.
Fig. 3 is the circuit structure diagram of coupling mechanism force detection module in Fig. 2.
Figure middle part product token name claims: 1-locking end, 2-push side, 3-push rod, 4-push rod guide type shoe, 5-upper limit travel switch, 6-drive motors, 7-lower limit travel switch, 8-driven wheel, 9-gear reduction, 10-hanging part, 11-drive lead screw, 12-shunt line fixture, 13-lifting nut, 14-travelling gear, 15-housing.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1, charged locking cable clamp shown in Fig. 2, mainly comprise housing 15, hanging part 10, push rod 3, drive lead screw 11, upper limit travel switch 5, drive motors 6, lower limit travel switch 7, microcontroller, coupling mechanism force detection module and power module and by remote-control receiving circuit, the locking pine of remote controller composition moves back control module, be fixedly connected with housing 15 bottom described hanging part 10, top is locking end 1, described push rod 3 is arranged on push rod guide type shoe 4, and push rod 3 is hollow structure, be welded and fixed between its bottom and lifting nut 13, its top is then the push side 2 relative with locking end 1, at push side 2 top, arc groove is set, be accordingly therewith, locking end 1 on described hanging part 10 is designed to down " U " character form structure, the contact area that push side 2 cooperatively interacts when locking transmission pressure with locking end 1 can be increased like this, guarantee the reliable lock of locking cable clamp, stability.Cavity on described push rod 3 and drive lead screw 11 are socketed mutually, and guarantee that drive lead screw 11 can move up and down relative to push rod 3, described lifting nut 13 with form screw thread between drive lead screw 11 and be flexibly connected, jointly constitute a screw nut driving mechanism.Described upper limit travel switch 5, lower limit travel switch 7 are separately positioned on lifting nut about 13 both sides, and described microcontroller is electrically connected with upper limit travel switch 5, lower limit travel switch 7 respectively.
Described drive motors 6 is electrically connected with between microcontroller, and the output shaft of drive motors 6 is fixedly connected with driven wheel 8, is fixedly connected with travelling gear 14 in drive lead screw 11 one end, passes through meshed transmission gear between described drive motors 6 and drive lead screw 11.In order to ensure the kinetic stability of drive lead screw 11, guarantee the locking effect of locking cable clamp, the gear reduction 9 arranging and be connected in series by large and small gear can be increased between driven wheel 8, travelling gear 14, gear wheel in described gear reduction 9 and driven wheel 8 engaged transmission, pinion and travelling gear 14 engaged transmission, as shown in Figure 1.
Power module wherein comprises rechargeable battery and battery charger, and described rechargeable battery is electrically connected with remote-control receiving circuit, microcontroller respectively, and described remote-control receiving circuit is electrically connected with between microcontroller.The rechargeable battery at this place can adopt high power chargeable lithium cell, and it is electrically connected with battery charger, charges to battery to facilitate, and extends the useful life of battery.Can make that locking cable clamp is lightweight, volume is little like this, can easily use insulating bar to be articulated on faulty transmission line to facilitate line maintenance personnel.
Described coupling mechanism force detection module as shown in Figure 3, mainly comprise operational amplifier U1, operational amplifier U2 and potentiometer W1, "+" end of described operational amplifier U1 one end is connected with resistance R2 one end, "-" end and resistance R3, R4 one end connects, the operational amplifier U1 other end and the resistance R4 other end, resistance R5 one end connects, the described resistance R2 other end and drive motors 6, resistance R1 one end connects, resistance R1, R3 other end ground connection, "+" of the described resistance R5 other end and described operational amplifier U2 one end holds, electric capacity C1 one end connects, electric capacity C1 other end ground connection, "-" end of described operational amplifier U2 one end is connected with described potentiometer W1, the operational amplifier U2 other end is electrically connected with microcontroller.This coupling mechanism force detection module provides operating voltage by rechargeable battery, and drive motors 6 wherein adopts high torque (HT) DC micromotor, to be conducive to the complete machine weight and volume reducing locking cable clamp; In order to ensure that drive motors 6 normally works and exports enough moments of torsion, guaranteeing the coupling mechanism force of locking cable clamp, power amplification circuit can be electrically connected at drive motors 6 with between microcontroller, as shown in Figure 2.
The operation principle of described coupling mechanism force detection module is as follows: inspection leakage resistance R1 is connected in motor 6 drive circuit, the operating current of drive motors 6 is converted to mV step voltage, this voltage is admitted to the direct current amplifier that the gain be made up of operational amplifier U1 and peripheral resistance is about 10 times and carries out voltage amplification, the output voltage of operational amplifier U1 sends into the voltage comparator be made up of operational amplifier U2 and peripheral resistance and potentiometer W1, "+" end input voltage characterizing drive motors 6 electric current holds reference voltage to compare in real time with "-" that arranged by potentiometer W1 by this voltage comparator.Under normal circumstances, motor 6 operating current is less, and the voltage of operational amplifier U2 "+" input is less than the reference voltage of "-" input, voltage comparator no-output; And when coupling mechanism force reach design load cause drive motors 6 stall time, motor 6 operating current increases severely, the voltage of operational amplifier U2 "+" input is caused to be greater than the reference voltage of "-" input, operational amplifier U2 exports high level and delivers to microcontroller, then sending signal by microcontroller makes motor 6 out of service, can be finely tuned by adjustment potentiometer W1 to coupling mechanism force preset value.
Charged locking cable clamp of the present utility model is applicable to carry out on-line treatment to 330kV and following transmission line contact heating accident, easy and simple to handle.In use, be by two supporting paired uses of locking cable clamp.In order to improve the operating efficiency of operating personnel, ensure locking shunting effect, as shown in Figure 1, can shunt line fixture 12 be set on locking cable clamp, described shunt line fixture 12 is made up of bolt, nut, bolt is wherein connected with hanging part 10, and namely shunt line easily can clamp locking by the shunt line fixture 12 on two locking cable clamps.Concrete using method is:
First, operating personnel uses insulating bar to be hanging on the wire of faulty transmission line by the locking end 1 on hanging part 10 by charged locking cable clamp.
Then, operating personnel carries out straighforward operation on ground, locking instruction is sent by remote controller, after microcontroller receives the locking instruction from remote controller, drive motors 6 is transferred to after power amplification circuit amplifies, high torque (HT) DC micromotor 6 is driven to rotate, and then drive driven wheel 8 to rotate, through gear reduction 9, after travelling gear 14 slows down, torque strengthens further, by screw nut driving mechanism, the rotary motion of travelling gear 14 is converted to the rectilinear motion of push rod 3 again, the push side 2 on push rod 3 is made to draw close locking end 1 on hanging part 10 gradually.
Perform early stage at this locking action, motor 6 drives push rod 3 slowly to rise, and motor 6 operating current is less, and when push rod 3 rises to after conductor clamping is between push side 2, locking end 1, the resistance of motion (i.e. coupling mechanism force) of push rod 3 will increase rapidly.Whether coupling mechanism force detection module, by detecting the change of motor 6 electric current in real time, reaches the coupling mechanism force preset value of locking cable clamp with indirect discrimination coupling mechanism force.After coupling mechanism force detection module detects that coupling mechanism force reaches preset value, namely output signal is to microcontroller, and make it control motor 6 out of service, whole system enters resting state, and now, wire is locked.
Consider there is stronger electromagnetic interference near transmission line, in order to prevent locking cable clamp after locking wire, remote-control receiving circuit is output error signal by electromagnetic interference, the locking cable clamp pine that meets accident is caused to move back, locking cable clamp can be designed to receive only the locking remote control command that remote controller sends, pine move back operation then manually pine back out pass and carry out manual operation, namely above-mentioned by remote-control receiving circuit, the loose basis of moving back control module of locking of remote controller composition increases and backs out pass for the loose manual pine moving back operation of the charged locking cable clamp of Non-follow control, described manual pine move back switch ends respectively with microcontroller, negative electrode of rechargeable batteries output is electrically connected, click manual pine by insulating bar to back out pass and can carry out manual pine and move back operation.When locking case of emergency and occurring, such as, the on-the-spot interference of electromagnetic field is too strong, so that remote-control receiving circuit disturbed and correctly can not receive remote control command time, manually can also carry out manual operation by locking switch, namely above-mentioned by remote-control receiving circuit, the loose basis of moving back control module of locking of remote controller composition increases the manual locking switch for the charged locking cable clamp locking operation of Non-follow control, described manual locking switch ends respectively with microcontroller, negative electrode of rechargeable batteries output is electrically connected, click manual locking switch by insulating bar and can carry out manual locking operation.
The housing 15 of charged locking cable clamp of the present utility model adopts Al-alloy casing, to alleviate complete machine weight.Lock by adopting remote control electric mode to carry out, pine moves back operation, effectively improve operating efficiency and the coefficient of safety of operating personnel, alleviate the labour intensity of operating personnel, be conducive to reducing operation of power networks cost; Being aided with by adopting microcontroller that unique coupling mechanism force detection module detects in real time to coupling mechanism force, quantified controlling, making overall performance reliable and stable, ensure that locking effect.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a charged locking cable clamp, is characterized in that: comprise housing (15), hanging part (10), push rod (3), drive lead screw (11), upper limit travel switch (5), drive motors (6), lower limit travel switch (7), microcontroller, coupling mechanism force detection module and power module and by remote-control receiving circuit, the locking pine of remote controller composition moves back control module, described hanging part (10) one end is fixedly connected with housing (15), the other end is locking end (1), described push rod (3) is for hollow structure and be socketed with drive lead screw (11), the lifting nut (13) forming screw thread with drive lead screw (11) and be flexibly connected is fixedly connected with in push rod (3) one end, described push rod (3) other end is the push side (2) relative with locking end (1), described upper limit travel switch (5), lower limit travel switch (7) is separately positioned on lifting nut (13) both sides up and down, by meshed transmission gear between described drive motors (6) and drive lead screw (11), described microcontroller respectively with upper limit travel switch (5), drive motors (6), lower limit travel switch (7), coupling mechanism force detection module, power module and remote-control receiving circuit electrical connection, described coupling mechanism force detection module and drive motors (6), power module is electrically connected respectively.
2. the charged locking cable clamp of one according to claim 1, it is characterized in that: described locking pine moves back control module and also comprises the manual pine moving back operation for Non-follow control charged locking cable clamp pine and back out pass, and described manual pine moves back switch ends and is electrically connected with microcontroller, power module cathode output end respectively.
3. the charged locking cable clamp of one according to claim 1, it is characterized in that: described locking pine moves back control module and also comprises manual locking switch for the charged locking cable clamp locking operation of Non-follow control, and described manual locking switch ends is electrically connected with microcontroller, power module cathode output end respectively.
4. the charged locking cable clamp of the one according to any one of claim 1-3, it is characterized in that: described coupling mechanism force detection module comprises operational amplifier U1, operational amplifier U2 and potentiometer W1, "+" end of described operational amplifier U1 one end is connected with resistance R2 one end, "-" end and resistance R3, R4 one end connects, the operational amplifier U1 other end and the resistance R4 other end, resistance R5 one end connects, the described resistance R2 other end and drive motors (6), resistance R1 one end connects, resistance R1, R3 other end ground connection, "+" of the described resistance R5 other end and described operational amplifier U2 one end holds, electric capacity C1 one end connects, electric capacity C1 other end ground connection, "-" end of described operational amplifier U2 one end is connected with described potentiometer W1, the operational amplifier U2 other end is connected with microcontroller.
5. the charged locking cable clamp of the one according to any one of claim 1-3, it is characterized in that: described power module comprises rechargeable battery and battery charger, described rechargeable battery is electrically connected with remote-control receiving circuit, microcontroller, coupling mechanism force detection module respectively.
6. the charged locking cable clamp of one according to claim 5, is characterized in that: described rechargeable battery adopts high power chargeable lithium cell.
7. the charged locking cable clamp of the one according to any one of claim 1-3, it is characterized in that: also comprise the gear reduction (9) be connected in series by large and small gear, the output shaft of drive motors (6) is fixedly connected with driven wheel (8), travelling gear (14) is fixedly connected with in drive lead screw (11) one end, gear wheel in described gear reduction (9) and driven wheel (8) engaged transmission, pinion and travelling gear (14) engaged transmission.
8. the charged locking cable clamp of one according to claim 7, is characterized in that: described drive motors (6) is high torque (HT) DC micromotor.
9. the charged locking cable clamp of one according to claim 1, it is characterized in that: also comprise the shunt line fixture (12) be made up of bolt, nut, the bolt in described shunt line fixture (12) is connected with hanging part (10).
10. the charged locking cable clamp of one according to claim 1, is characterized in that: push side (2) top on described push rod (3) arranges arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272524.6U CN204538559U (en) | 2015-04-30 | 2015-04-30 | A kind of charged locking cable clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272524.6U CN204538559U (en) | 2015-04-30 | 2015-04-30 | A kind of charged locking cable clamp |
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| Publication Number | Publication Date |
|---|---|
| CN204538559U true CN204538559U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520272524.6U Expired - Fee Related CN204538559U (en) | 2015-04-30 | 2015-04-30 | A kind of charged locking cable clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204538559U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742711A (en) * | 2019-03-25 | 2019-05-10 | 贵州电网有限责任公司 | A kind of mechanical-vibration type deicing equipment on transmission line of electricity |
| CN111342392A (en) * | 2020-03-27 | 2020-06-26 | 国网河南省电力公司平顶山供电公司 | Same-tower double-circuit transmission line interphase limiting live working method |
| CN115102092A (en) * | 2022-07-25 | 2022-09-23 | 云南电网有限责任公司红河供电局 | Portable bypass automatic wire clamp for hanging conducting wire in live working |
-
2015
- 2015-04-30 CN CN201520272524.6U patent/CN204538559U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742711A (en) * | 2019-03-25 | 2019-05-10 | 贵州电网有限责任公司 | A kind of mechanical-vibration type deicing equipment on transmission line of electricity |
| CN111342392A (en) * | 2020-03-27 | 2020-06-26 | 国网河南省电力公司平顶山供电公司 | Same-tower double-circuit transmission line interphase limiting live working method |
| CN115102092A (en) * | 2022-07-25 | 2022-09-23 | 云南电网有限责任公司红河供电局 | Portable bypass automatic wire clamp for hanging conducting wire in live working |
| CN115102092B (en) * | 2022-07-25 | 2023-08-18 | 云南电网有限责任公司红河供电局 | Portable bypass automatic wire clamp for live working of hanging wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160430 |