CN115032440A - Handheld anti-electricity-stealing clamp-on ammeter for inspection - Google Patents
Handheld anti-electricity-stealing clamp-on ammeter for inspection Download PDFInfo
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- CN115032440A CN115032440A CN202210953126.5A CN202210953126A CN115032440A CN 115032440 A CN115032440 A CN 115032440A CN 202210953126 A CN202210953126 A CN 202210953126A CN 115032440 A CN115032440 A CN 115032440A
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- ammeter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
Abstract
The invention relates to the field of anti-electricity-stealing equipment, in particular to a clamp-on ammeter for handheld anti-electricity-stealing inspection. The clamp-on ammeter aims to solve the technical problem that the clamp-on ammeter is large in whole volume and limited in length, so that convenience of clamping and measuring a single cable cannot be achieved directly by the common clamp-on ammeter. The invention provides a handheld clamp-on ammeter for anti-electricity-stealing inspection, which comprises a retraction assembly, an opening and closing assembly and the like; a first rope is connected between the retracting component and the opening and closing component. The clamp arm mechanism is changed from a conventional mode to a lengthening mode, only the knob needs to be rotated to control the clamp arm mechanism to be opened and closed, the rotating shaft is controlled to drive the deflector rod, redundant cables are separated, the clamp arm mechanism of the clamp type ammeter is prevented from being clamped between the cables to delay detection time, electricity stealing prevention personnel can conveniently and quickly detect the cables hidden in the deep wall seams and hung in the semi-hollow spaces, and the working efficiency of detecting the cables of users and tracking the cables connected privately is improved.
Description
Technical Field
The invention relates to the field of anti-electricity-stealing equipment, in particular to a clamp-type ammeter for handheld anti-electricity-stealing inspection.
Background
The electricity stealing behavior is the behavior of illegally occupying electric energy, metering or little metering electricity by adopting an illegal means, an electricity stealing user usually connects a cable to a non-designated area of an electric energy meter privately, or to the own electric energy meter of the non-user privately, and hides the cable among other cables, so that the cable is hidden and confused, the cable troubleshooting difficulty of electricity stealing personnel is increased, and the electricity stealing personnel cannot find the terminal end of the privately connected cable easily.
The anti-electricity-stealing personnel detects the cable of the user and tracks the private cable, the commonly used clamp-type ammeter carries out one-by-one investigation treatment on the cable, the clamp-type ammeter does not need to be electrically connected with the electric energy meter and an external power supply, and can quickly and intuitively read the required data only by sleeving the clamp-type ammeter on the cable, however, because the clamp-type ammeter has larger whole volume and limited length, the detection work is difficult for the cables hidden in the deep part of the wall gap and hung in the air, thereby delaying the processing time of detecting the cables and tracking the private cables by anti-electricity-stealing personnel, in addition, cables of old communities are often hung in a side-by-side stacking mode, when a single cable needs to be detected, the escalator needs to be moved, a target cable is exposed out of other cables stacked side by side, therefore, the convenience of clamping and measuring a single cable is not easily and directly realized by a common clamp type ammeter.
Disclosure of Invention
In order to overcome the defects that the clamp ammeter has larger whole volume and limited length, and therefore, the clamp ammeter is not easy to directly and conveniently clamp and measure a single cable at any time by only using a common clamp ammeter, the invention provides the clamp ammeter for handheld electricity stealing prevention inspection.
The technical scheme is as follows: a handheld clamp type ammeter for anti-electricity-stealing inspection comprises a retraction assembly, an opening and closing assembly, a single-rotation assembly, a main shell, an ammeter, a multi-stage telescopic rod, a support rod, a clamp arm mechanism, a deflector rod and a knob; an ammeter is arranged on the left side of the main shell; the right side of the main shell is provided with a multi-stage telescopic rod; the telescopic end of the multi-stage telescopic rod is fixedly connected with a support rod; the left side of the supporting rod is provided with a clamp arm mechanism; an induction conductor group is arranged in the clamp arm mechanism; the upper clamp part of the clamp arm mechanism is rotationally connected with a deflector rod through a rotating shaft; a third induction conductor which forms a closed loop with the induction conductor group in the clamp arm mechanism is arranged in the shifting lever; a knob is connected to the lower side of the main shell in a sliding manner; a first spring part is fixedly connected between the knob and the main shell, and the first spring part is sleeved on the outer surface of the rotating shaft part of the knob; the rear end of the rotating shaft part of the knob is fixedly connected with a cam; the upper side and the lower side of the rotating shaft part of the knob are respectively fixedly connected with a bolt; the inside of the main shell is connected with a retraction assembly; the inside of the supporting rod is connected with an opening and closing component; a single-rotation component is connected between the upper clamp part of the clamp arm mechanism and the rotating shaft; pull out the tensile first spring part of knob earlier, let cam and bolt all leave and receive and release the subassembly, lengthen multi-stage telescopic rod afterwards, it receive and release some first stay cords of coiling on the subassembly to emit, let tong arm mechanism change into extension mode by conventional mode, loosen the knob after that, let cam and bolt insert back and receive and release its locking in the subassembly, later the rotating knob drives and receives and releases the subassembly and receive and release first stay cord, first stay cord control subassembly that opens and shuts, drive the work of opening and shutting of controlling tong arm mechanism and going up tong portion and lower tong portion through the second stay cord, further rotating the knob afterwards, the subassembly that opens and shuts is controlled to first stay cord, it is unidirectional rotation to drive the single spiral subassembly through two third stay cords, single spiral subassembly control axis of rotation drives the driving lever and opens unnecessary cable.
Furthermore, the clamp arm mechanism comprises an upper clamp arm, a rivet and a lower clamp arm; an upper clamping arm is fixedly connected to the left side of the supporting rod; the lower end of the upper clamping arm is screwed with a lower clamping arm through a rivet; the upper clamping arm and the lower clamping arm are respectively used as an upper jaw part and a lower jaw part of the clamp arm mechanism; a first torsion spring is fixedly connected between the upper clamping arm and the lower clamping arm and is sleeved on the outer surface of the rivet; a shifting block structure is arranged on the lower side of the lower clamping arm; the shifting block is connected with a second pull rope; the left end of the upper clamping arm is rotatably connected with a rotating shaft; the two third pull ropes penetrate through the upper clamping arm; a first induction conductor is arranged in the upper clamping arm; a second induction conductor is arranged in the lower clamping arm; the first induction conductor and the second induction conductor are used as an induction conductor group of the clamp arm mechanism.
Furthermore, the deflector rod is of a long rod structure which takes the rotating shaft as the center and has the same length at the left end and the right end.
Furthermore, two ends of the shifting rod are respectively provided with a hook block structure for shifting the cable, and the two hook blocks are centrosymmetric about the rotating shaft.
Furthermore, the middle parts of the two hook block structures are respectively provided with a groove structure.
Furthermore, the winding and unwinding assembly comprises a winding wheel, a first rotating ring, a second torsion spring and a guide wheel; a winding wheel is rotatably connected inside the main shell; a first rotating ring is connected inside the main shell in a sliding manner; a second torsion spring is fixedly connected between the first rotating ring and the main shell; the cam is inserted into the winding wheel; the two bolts are inserted into the first rotating ring; two guide wheels are rotatably connected to the inner right side of the main shell; the first pull rope is wound on the outer surface of the winding wheel; the middle part of the first pull rope is clamped between the two guide wheels.
Furthermore, the middle parts of the outer surfaces of the two guide wheels are surrounded, and a circle of groove structures matched with the first pull rope are respectively arranged.
Furthermore, the opening and closing assembly comprises a pull rod, a first sliding block, a second spring part, a second sliding block and a third spring part; a first sliding block is connected to the inner lower part of the supporting rod in a sliding manner; a second spring part is fixedly connected between the first sliding block and the supporting rod; a second sliding block is connected to the inner upper part of the supporting rod in a sliding manner; a third spring part is fixedly connected between the second sliding block and the first sliding block; a pull rod is connected inside the supporting rod in a sliding manner; the upper end of the pull rod is respectively inserted into the second spring part and the third spring part and fixedly connected with a second sliding block; the pull rod is connected with the first sliding block in a sliding manner; the first pull rope is fixedly connected with the pull rod; the second pull rope is fixedly connected with the first slide block; and the two third pull ropes are fixedly connected with a second sliding block.
Furthermore, a wire collecting groove structure for containing the second pull rope is formed in the left side of the first sliding block.
Furthermore, the single-rotation assembly comprises a ratchet, a second rotating ring, a fourth torsion spring and a ratchet wheel; the front end and the rear end of the rotating shaft are respectively and rotatably connected with a plurality of ratchets through the rotating shaft; two third torsion springs are fixedly connected between each ratchet and the deflector rod, and the third torsion springs are sleeved on the outer surfaces of the rotating shafts of the adjacent ratchets; the front side and the rear side of the upper clamping arm are respectively connected with a second rotating ring in a sliding manner; a fourth torsion spring is fixedly connected between the two second rotating rings and the upper clamping arm respectively; a ratchet wheel is fixedly connected to the outer sides of the two second rotating rings; each ratchet tooth is respectively meshed with the adjacent ratchet wheel; the two third pull ropes are respectively and fixedly connected with a ratchet wheel.
The invention has the beneficial effects that: aiming at the technical problems that the whole volume of a clamp ammeter is large, the length is limited, and the convenience of clamping and measuring a single cable is not easy to be realized directly by a common clamp ammeter, the clamp arm mechanism of the clamp ammeter is connected to a multi-stage telescopic rod, the opening and closing of the clamp arm mechanism are controlled by a retracting and pulling rope, when the clamp ammeter needs to be changed from a conventional mode to a lengthening mode, a knob is pulled out forwards, a first spring part is stretched forwards, a cam and a bolt are separated from a retracting and releasing assembly, the retracting and releasing assembly is unlocked, then the multi-stage telescopic rod is stretched, the first pulling rope wound on the retracting and releasing assembly is stretched, the clamp arm mechanism is changed from the conventional mode to the lengthening mode, then the knob is loosened, the stretched first spring part drives the cam and the bolt to be inserted back into the retracting and releasing assembly, the retracting assembly is locked, and then the knob drives the retracting assembly to retract the first pulling rope, first stay cord control subassembly that opens and shuts, drive control tong arm mechanism through the second stay cord and carry out the work of opening and shutting of upper tong portion and lower tong portion, entangle the target cable ring, if arrange closely between the cable, or when needing to pick up and take off an adjacent cable, further rotating knob, the subassembly that opens and shuts is controlled to the first stay cord of pulling, drive single rotatory subassembly unidirectional rotation through two third stay cords, single rotatory subassembly control axis of rotation drives the driving lever, pick out unnecessary cable, avoid the tong arm mechanism of clamp ammeter to be blocked between the cable and delay the check-out time, make things convenient for anti-electricity-stealing personnel to hiding in the wall seam depths, and hang at the cable of half-empty high, detect the work fast, improve the work efficiency who detects user's cable and track the privately-connected cable.
Drawings
FIG. 1 is a schematic perspective view of a clamp-on ammeter for handheld anti-theft inspection according to the present application;
FIG. 2 is a cross-sectional view of the main housing of the present application;
FIG. 3 is a perspective view of a clamp arm mechanism according to the present application;
FIG. 4 is a schematic perspective view of an upper clamp arm and a single-turn assembly according to the present application;
FIG. 5 is a schematic perspective view of a shift lever and a single-turn assembly according to the present application;
FIG. 6 is a perspective view of the ratchet of the present application;
FIG. 7 is a perspective view of the shift lever of the present application;
FIG. 8 is a perspective view of the knob and retraction assembly of the present application;
FIG. 9 is a perspective view of the retraction assembly of the present application;
FIG. 10 is a perspective view of a knob according to the present application;
FIG. 11 is a perspective view of the opening and closing assembly of the present application;
FIG. 12 is a perspective view of a first slider according to the present application;
fig. 13 is a schematic view of an extended mode of the clamp ammeter for handheld theft deterrent inspection according to the present application.
Reference numerals: 1-a main shell, 2-an ammeter, 3-a multi-stage telescopic rod, 4-a support rod, 51-an upper clamping arm, 52-a rivet, 521-a first torsion spring, 53-a lower clamping arm, 531-a shifting block, 6-a shifting rod, 61-a rotating shaft, 62-a hook block, 7-a knob, 71-a first spring part, 72-a cam, 73-a bolt, 81-a first pull rope, 82-a second pull rope, 83-a third pull rope, 101-a winding wheel, 102-a first rotating ring, 103-a second torsion spring, 104-a guide wheel, 201-a pull rod, 202-a first sliding block, 2021-a winding groove, 203-a second spring part, 204-a second sliding block, 205-a third spring part, 301-a winding groove, 203-a second spring part, 204-a second sliding block, 205-a third spring part, 3011-a third torsion spring, 302-second swivel, 303-fourth torsion spring, 304-ratchet.
Detailed Description
The invention is further described below with reference to the figures and examples.
A hand-held clamp type ammeter for anti-electricity-stealing inspection is shown in figures 1-13 and comprises a retraction assembly, an opening and closing assembly, a single-rotation assembly, a main shell 1, an ammeter 2, a multi-stage telescopic rod 3, a support rod 4, a clamp arm mechanism, a deflector rod 6 and a knob 7; an ammeter 2 is arranged on the left side of the main shell 1; the right side of the main shell 1 is provided with a multi-stage telescopic rod 3; the telescopic end of the multi-stage telescopic rod 3 is connected with a support rod 4 through a bolt; the left side of the support rod 4 is provided with a clamp arm mechanism; an induction conductor set is arranged in the clamp arm mechanism; the upper clamp part of the clamp arm mechanism is rotationally connected with a deflector rod 6 through a rotating shaft 61; a third induction conductor which forms a closed loop with the induction conductor group in the clamp arm mechanism is arranged in the deflector rod 6; the shift lever 6 is a long rod structure with the rotating shaft 61 as the center and the left and right ends being equal in length; two ends of the shift lever 6 are respectively provided with a hook block 62 structure, and the two hook blocks 62 are centrosymmetric about the rotating shaft 61; the middle parts of the two hook block 62 structures are respectively provided with a groove structure; a knob 7 is connected to the lower side of the main shell 1 in a sliding manner; a first spring piece 71 is fixedly connected between the knob 7 and the main shell 1, and the first spring piece 71 is sleeved on the outer surface of the rotating shaft part of the knob 7; the rear end of the rotating shaft part of the knob 7 is fixedly connected with a cam 72; the upper side and the lower side of the rotating shaft part of the knob 7 are respectively fixedly connected with a bolt 73; the inside of the main shell 1 is connected with a folding and unfolding component; the cam 72 and the bolt 73 are both connected with a retraction assembly; a first pull rope 81 is wound on the retraction assembly; the inside of the supporting rod 4 is connected with an opening and closing component; the upper end of the first pull rope 81 penetrates through the multi-stage telescopic rod 3 and is connected with the opening and closing assembly; the opening and closing component is connected with the lower clamp part of the clamp arm mechanism through a second pull rope 82; a single-rotation component is connected between the upper jaw part of the clamp arm mechanism and the rotating shaft 61; the opening and closing assembly is connected with the single-rotation assembly through two third pull ropes 83; a third pull cord 83 extends through the jawarm mechanism.
As shown in fig. 2 and 3, the jawarm mechanism includes an upper clip arm 51, a rivet 52 and a lower clip arm 53; the left bolt of the support rod 4 is connected with an upper clamping arm 51; the lower end of the upper clamping arm 51 is screwed with a lower clamping arm 53 through a rivet 52; a first torsion spring 521 is fixedly connected between the upper clamping arm 51 and the lower clamping arm 53, and the first torsion spring 521 is sleeved on the outer surface of the rivet 52; the lower side of the lower clamping arm 53 is provided with a shifting block 531 structure; the shifting block 531 is connected with the second pull rope 82; the left end of the upper clamping arm 51 is rotatably connected with a rotating shaft 61; the two third pull ropes 83 penetrate through the upper clamping arm 51; a first induction conductor is arranged in the upper clamping arm 51; a second induction conductor is arranged in the lower clamping arm 53; the first induction conductor and the second induction conductor are used as an induction conductor group of the clamp arm mechanism.
As shown in fig. 8-10, the winding and unwinding assembly includes a winding wheel 101, a first rotating ring 102, a second torsion spring 103 and a guide wheel 104; a winding wheel 101 is rotatably connected inside the main shell 1; a first rotating ring 102 is slidably connected to the inside of the main casing 1; a second torsion spring 103 is fixedly connected between the first rotating ring 102 and the main shell 1; the cam 72 is inserted into the winding wheel 101; both pins 73 are inserted into the first rotating ring 102; two guide wheels 104 are rotatably connected to the inner right side of the main shell 1; the first pulling rope 81 is wound on the outer surface of the winding wheel 101; the middle portion of the first rope 81 is sandwiched between the two guide wheels 104; a circle of groove structures which are matched with the first pull rope 81 are respectively arranged around the middle parts of the outer surfaces of the two guide wheels 104.
As shown in fig. 11 and 12, the opening and closing assembly includes a pull rod 201, a first slide block 202, a second spring member 203, a second slide block 204 and a third spring member 205; a first sliding block 202 is connected to the inner lower part of the support rod 4 in a sliding manner; a second spring part 203 is fixedly connected between the first sliding block 202 and the supporting rod 4; a second sliding block 204 is connected to the inner upper part of the supporting rod 4 in a sliding manner; a third spring piece 205 is fixedly connected between the second sliding block 204 and the first sliding block 202; a pull rod 201 is connected inside the supporting rod 4 in a sliding manner; the upper end of the pull rod 201 is respectively inserted into the second spring part 203 and the third spring part 205 and fixedly connected with a second sliding block 204; the pull rod 201 is connected with the first sliding block 202 in a sliding manner; the first pull rope 81 is fixedly connected with a pull rod 201; the second pull rope 82 is fixedly connected with the first slide block 202; the two third pull ropes 83 are fixedly connected with the second sliding block 204; the left side of the first slider 202 is provided with a wire-rewinding groove 2021.
As shown in fig. 4-6, the single-turn assembly includes a ratchet 301, a second rotary ring 302, a fourth torsion spring 303 and a ratchet 304; the front end and the rear end of the rotating shaft 61 are respectively and rotatably connected with a plurality of ratchets 301 through rotating shafts; two third torsion springs 3011 are respectively fixedly connected between each ratchet 301 and the shift lever 6, and the third torsion springs 3011 are sleeved on the outer surfaces of the rotating shafts of the adjacent ratchet 301; the front side and the rear side of the upper clamping arm 51 are respectively connected with a second rotating ring 302 in a sliding way; a fourth torsion spring 303 is fixedly connected between each of the two second rotating rings 302 and the upper clamping arm 51; a ratchet wheel 304 is fixedly connected to the outer sides of the two second rotating rings 302; each ratchet tooth 301 engages an adjacent ratchet wheel 304; the two third pull ropes 83 are respectively and fixedly connected with a ratchet wheel 304.
The current meter 2 and the clamp arm mechanism of the clamp current meter for the handheld electricity stealing prevention check form a clamp current meter 2 in a conventional mode, as shown in fig. 1, when a cable is detected, an electricity stealing person holds the main shell 1 by hand, presses the shifting block 531 to drive the lower clamp arm 53 to turn over around the rivet 52, the lower clamp arm 53 drives the first torsion spring 521 to rotate to generate torque force, so that the upper clamp arm 51 and the lower clamp arm 53 are opened and separated, when the electricity stealing person moves the upper clamp arm 51 and the lower clamp arm 53 to two sides of a target cable, the electricity stealing person loosens the shifting block 531, the first torsion spring 521 drives the lower clamp arm 53 to rotate and reset under the torque force, so that the upper clamp arm 51 and the lower clamp arm 53 are sleeved on the target cable, a first induction conductor is arranged in the upper clamp arm 51, a second induction conductor is arranged in the lower clamp arm 53 and a third induction conductor arranged in the deflector rod 6 form a closed loop induction conductor, under the monitoring of the closed-loop induction conductor to the target cable, the anti-electricity-stealing personnel obtains the detection data of the cable by controlling the ammeter 2.
When an anti-electricity-stealing person needs to detect a cable hidden deep in a wall gap and hung in a semi-empty state, the anti-electricity-stealing person pulls out the knob 7 forwards, the knob 7 drives the first spring part 71 to stretch forwards to generate a reset tension, the knob 7 drives the cam 72 and the bolt 73 to leave the winding wheel 101 and the first rotating ring 102 respectively, then the anti-electricity-stealing person stretches the multi-stage telescopic rod 3 to enable the clamp arm mechanism on the multi-stage telescopic rod 3 to be discharged outwards, meanwhile, the supporting rod 4 on the multi-stage telescopic rod 3 pulls the first pull rope 81 through the second sliding block 204, as the winding wheel 101 is not limited by the cam 72, the first pull rope 81 wound on the winding wheel 101 is discharged outwards, then the anti-electricity-stealing person loosens the knob 7, the stretched first spring part 71 pulls the knob 7 to reset under the reset tension, and the cam 72 and the bolt 73 are inserted back into the winding wheel 101 and the first rotating ring 102 respectively, let wind-up wheel 101 be locked by cam 72, make tong arm mechanism change into the extension mode from conventional mode, as shown in fig. 13, the length of whole tong-type ammeter 2 of extension, it need not also to control the contact of tong arm mechanism on the tong-type ammeter 2 and hang the cable in the midair to realize anti-electricity-stealing personnel, and the volume of multistage telescopic link 3 and tong arm mechanism is less, be favorable to anti-electricity-stealing personnel to stretch into the wall seam depths with multistage telescopic link 3 and the tong arm mechanism of tong-type ammeter 2, detect the work to the cable of hiding in the wall seam depths.
When an anti-electricity-stealing person uses the pincer-type ammeter 2 in the lengthening mode to detect a target cable, the knob 7 is only required to be rotated, the knob 7 drives the cam 72 to rotate the winding wheel 101, the winding wheel 101 winds the first pull rope 81, the first pull rope 81 pulls the second slide block 204 to drive the first slide block 202 to move downwards through the third spring piece 205, the first slide block 202 drives the second spring piece 203 to compress downwards to generate a reset elastic force, meanwhile, the first slide block 202 pulls the second pull rope 82 to pull the second pull rope 82 into the support rod 4, the lower end of the second pull rope 82 entering the support rod 4 is clamped in the wire winding groove 2021 of the first slide block 202 to prevent the second pull rope 82 from clamping the first slide block 202, meanwhile, the second pull rope 82 pulls the shifting block 531 to drive the lower clamping arm 53 to overturn around the rivet 52, the lower clamping arm 53 drives the first torsion spring 521 to rotate to generate a torque force to separate the upper clamping arm 51 from the lower clamping arm 53, meanwhile, the knob 7 drives the latch 73 to toggle the first swivel 102 for rotation, the first swivel 102 drives the second torsion spring 103 to generate torque, when the anti-electricity-stealing person moves the upper clamp arm 51 and the lower clamp arm 53 to two sides of the target cable, the anti-electricity-stealing person releases the knob 7, the first swivel 102 drives the knob 7 to rotate and reset under the torque of the second torsion spring 103, the knob 7 drives the winding wheel 101 to release the first pull rope 81, the compressed second spring 203 drives the first slider 202 and the second slider 204 to reset under the reset elastic force, the first slider 202 releases the second pull rope 82 outwards, the lower clamp arm 53 rotates and resets under the torque of the first torsion spring 521, the upper clamp arm 51 and the lower clamp arm 53 are sleeved on the target cable, then the anti-electricity-stealing person obtains the cable detection data by controlling the ammeter 2, and the anti-electricity-stealing person remotely controls the opening and closing of the upper clamp arm 51 and the lower clamp arm 53, and the anti-electricity-stealing personnel only need to adjust the rotation angle of the knob 7 to achieve the effect of freely controlling the opening and closing degree of the upper clamping arm 51 and the lower clamping arm 53.
After the anti-electricity-stealing person detects a cable in the lengthening mode through the clamp ammeter 2, the knob 7 is rotated again, the first pull rope 81 is controlled to pull the second slide block 204 to drive the first slide block 202 to move downwards through the third spring part 205, the first slide block 202 drives the second spring part 203 to compress downwards to generate a resetting elastic force, the first slide block 202 enables the upper clamping arm 51 and the lower clamping arm 53 to open mutually through the second pull rope 82, then the anti-electricity-stealing person further rotates the knob 7 to enable the first pull rope 81 to be continuously wound by the winding wheel 101, the first pull rope 81 continuously pulls the second slide block 204 to move downwards, the second slide block 204 drives the third spring part 205 to compress downwards to generate a resetting elastic force, the second slide block 204 pulls the two third pull ropes 83 to respectively drive the ratchet wheels 304 to rotate, the ratchet wheels 304 drive the second rotary ring 302 to rotate, the second rotary ring 302 drives the fourth torsion spring 303 to generate a resetting torque, meanwhile, the ratchet wheel 304 pulls the ratchet 301 to drive the rotating shaft 61 and the shift lever 6 to rotate clockwise at a front view angle, one end of the shift lever 6 outwards picks out a cable between the upper clamping arm 51 and the lower clamping arm 53 through a middle groove of the hook block 62, meanwhile, the hook block 62 upwards picks out an excess cable above the upper clamping arm 51 to avoid that a clamp arm mechanism of the clamp type ammeter 2 is clamped between the cables to delay detection time, then an anti-electricity-stealing worker only needs to move the clamp type ammeter 2 to lead a next target cable to be sleeved between the upper clamping arm 51 and the lower clamping arm 53, then the knob 7 is loosened to lead the upper clamping arm 51 and the lower clamping arm 53 to be mutually closed and reset, meanwhile, the compressed third spring part 205 releases the third pull rope 83 under the reset elastic force, the ratchet wheel 304 rotates and resets under the reset torque of the fourth torsion spring 303, and the ratchet 301 keeps the shift lever 6 still under the matching of the third torsion spring 3011, the cables needing to be detected are rapidly switched without interference of surrounding cables.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A hand-held clamp-on ammeter for anti-electricity-stealing inspection comprises a main shell (1) and an ammeter (2); an ammeter (2) is arranged on the left side of the main shell (1); the method is characterized in that: the device also comprises a retraction assembly, an opening and closing assembly, a single-rotation assembly, a multi-stage telescopic rod (3), a support rod (4), a clamp arm mechanism, a deflector rod (6) and a knob (7); a multi-stage telescopic rod (3) is arranged on the right side of the main shell (1); the telescopic end of the multi-stage telescopic rod (3) is fixedly connected with a support rod (4); the left side of the supporting rod (4) is provided with a clamp arm mechanism; an induction conductor set is arranged in the clamp arm mechanism; the upper clamp part of the clamp arm mechanism is rotationally connected with a deflector rod (6) through a rotating shaft (61); a third induction conductor which forms a closed loop with the induction conductor group in the clamp arm mechanism is arranged in the deflector rod (6); a knob (7) is connected to the lower side of the main shell (1) in a sliding manner; a first spring piece (71) is fixedly connected between the knob (7) and the main shell (1), and the first spring piece (71) is sleeved on the outer surface of the rotating shaft part of the knob (7); the rear end of the rotating shaft part of the knob (7) is fixedly connected with a cam (72); the upper side and the lower side of the rotating shaft part of the knob (7) are respectively fixedly connected with a bolt (73); the interior of the main shell (1) is connected with a retraction assembly; the inside of the supporting rod (4) is connected with an opening and closing component; a single-rotation component is connected between the upper clamp part of the clamp arm mechanism and the rotating shaft (61); firstly, the knob (7) is pulled out forwards to stretch the first spring piece (71), the cam (72) and the bolt (73) are both separated from the retraction assembly, then the multi-stage telescopic rod (3) is lengthened, the first pull rope (81) wound on the retraction assembly is paid out, and the clamp arm mechanism is changed from a conventional mode to a lengthening mode, then the knob (7) is loosened to enable the cam (72) and the bolt (73) to be inserted back into the collecting and placing assembly to lock the collecting and placing assembly, then the knob (7) is rotated to drive the collecting and placing assembly to collect and place a first pull rope (81), the first pull rope (81) controls the opening and closing assembly, the second pull rope (82) drives the control clamp arm mechanism to carry out the opening and closing work of the upper clamp part and the lower clamp part, then the knob (7) is further rotated, the first pull rope (81) controls the opening and closing assembly, the single-rotation component is driven to rotate in a single direction through the two third pull ropes (83), and the single-rotation component controls the rotating shaft (61) to drive the shifting rod (6) to spread out redundant cables.
2. The handheld clamp ammeter for electricity stealing prevention inspection as claimed in claim 1, wherein: the clamp arm mechanism comprises an upper clamp arm (51), a rivet (52) and a lower clamp arm (53); an upper clamping arm (51) is fixedly connected to the left side of the supporting rod (4); the lower end of the upper clamping arm (51) is screwed with a lower clamping arm (53) through a rivet (52); the upper clamping arm (51) and the lower clamping arm (53) are respectively used as an upper jaw part and a lower jaw part of the clamping arm mechanism; a first torsion spring (521) is fixedly connected between the upper clamping arm (51) and the lower clamping arm (53), and the first torsion spring (521) is sleeved on the outer surface of the rivet (52); a shifting block (531) structure is arranged on the lower side of the lower clamping arm (53); the shifting block (531) is connected with a second pull rope (82); the left end of the upper clamping arm (51) is rotatably connected with a rotating shaft (61); the two third pull ropes (83) penetrate through the upper clamping arms (51); a first induction conductor is arranged in the upper clamping arm (51); a second induction conductor is arranged in the lower clamping arm (53); the first induction conductor and the second induction conductor are used as an induction conductor group of the clamp arm mechanism.
3. The clamp-on ammeter for the handheld anti-electricity-stealing inspection as set forth in claim 1, wherein: the deflector rod (6) is a long rod structure which takes the rotating shaft (61) as the center and has the same length at the left end and the right end.
4. The clamp-on ammeter for the handheld anti-electricity-stealing inspection as set forth in claim 3, wherein: two ends of the shifting lever (6) are respectively provided with a hook block (62) structure for shifting the cable, and the two hook blocks (62) are centrosymmetric about the rotating shaft (61).
5. The clamp-on ammeter for the handheld anti-electricity-stealing inspection as set forth in claim 4, wherein: the middle parts of the two hook block (62) structures are respectively provided with a groove structure.
6. The clamp-on ammeter for the handheld anti-electricity-stealing inspection as set forth in claim 1, wherein: the winding and unwinding assembly comprises a winding wheel (101), a first rotating ring (102), a second torsion spring (103) and a guide wheel (104); a winding wheel (101) is rotatably connected inside the main shell (1); a first rotating ring (102) is connected to the inner part of the main shell (1) in a sliding way; a second torsion spring (103) is fixedly connected between the first rotating ring (102) and the main shell (1); the cam (72) is inserted into the winding wheel (101); the two bolts (73) are inserted into the first rotating ring (102); two guide wheels (104) are rotatably connected to the inner right side of the main shell (1); the first pull rope (81) is wound on the outer surface of the winding wheel (101); the middle part of the first rope (81) is clamped between the two guide wheels (104).
7. The clamp-on ammeter for the handheld anti-electricity-stealing inspection as set forth in claim 6, wherein: the middle parts of the outer surfaces of the two guide wheels (104) are respectively provided with a circle of groove structure which is matched with the first pull rope (81).
8. The clamp-on ammeter for the handheld anti-electricity-stealing inspection as set forth in claim 1, wherein: the opening and closing assembly comprises a pull rod (201), a first sliding block (202), a second spring piece (203), a second sliding block (204) and a third spring piece (205); a first sliding block (202) is connected to the inner lower part of the supporting rod (4) in a sliding manner; a second spring piece (203) is fixedly connected between the first sliding block (202) and the supporting rod (4); a second sliding block (204) is connected to the inner upper part of the supporting rod (4) in a sliding manner; a third spring piece (205) is fixedly connected between the second sliding block (204) and the first sliding block (202); a pull rod (201) is connected inside the supporting rod (4) in a sliding manner; the upper end of the pull rod (201) is respectively inserted into the second spring part (203) and the third spring part (205) and fixedly connected with a second sliding block (204); the pull rod (201) is connected with the first sliding block (202) in a sliding manner; the first pull rope (81) is fixedly connected with the pull rod (201); the second pull rope (82) is fixedly connected with the first sliding block (202); the two third pull ropes (83) are fixedly connected with a second sliding block (204).
9. The clamp-on ammeter for the handheld electricity stealing prevention inspection as set forth in claim 8, wherein: the left side of the first slider (202) is provided with a wire collecting groove (2021) structure for collecting the second pull rope (82).
10. The handheld clamp ammeter for electricity stealing prevention inspection as claimed in claim 1, wherein: the single-rotation component comprises a ratchet (301), a second rotating ring (302), a fourth torsion spring (303) and a ratchet wheel (304); the front end and the rear end of the rotating shaft (61) are respectively and rotatably connected with a plurality of ratchets (301) through rotating shafts; two third torsion springs (3011) are fixedly connected between each ratchet (301) and the shift lever (6), and the third torsion springs (3011) are sleeved on the outer surfaces of the rotating shafts of the adjacent ratchets (301); the front side and the rear side of the upper clamping arm (51) are respectively connected with a second rotating ring (302) in a sliding way; a fourth torsion spring (303) is fixedly connected between the two second rotating rings (302) and the upper clamping arm (51); a ratchet wheel (304) is fixedly connected to the outer sides of the two second rotating rings (302); each ratchet tooth (301) engages an adjacent ratchet wheel (304) respectively; the two third pull ropes (83) are respectively and fixedly connected with a ratchet wheel (304).
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| CN202210953126.5A CN115032440B (en) | 2022-08-10 | 2022-08-10 | Handheld anti-electricity-stealing clamp-on ammeter for inspection |
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| CN202210953126.5A CN115032440B (en) | 2022-08-10 | 2022-08-10 | Handheld anti-electricity-stealing clamp-on ammeter for inspection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116879619A (en) * | 2023-08-01 | 2023-10-13 | 国网安徽省电力有限公司铜陵供电公司 | Handheld clamp type ammeter for anti-electricity-theft inspection |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004361248A (en) * | 2003-06-04 | 2004-12-24 | Midori Anzen Co Ltd | Clamp type leakage current meter |
| CN202994885U (en) * | 2012-11-16 | 2013-06-12 | 宜阳县电业管理公司 | Telescopic tong-type ammeter |
| CN204256023U (en) * | 2014-11-19 | 2015-04-08 | 优利德科技(中国)有限公司 | A kind of New type of current pincers shell fragment gap control device |
| CN104950156A (en) * | 2014-03-27 | 2015-09-30 | 日置电机株式会社 | Clamp sensor and measurement apparatus |
| CN204789724U (en) * | 2015-07-10 | 2015-11-18 | 深圳市龙供供电服务有限公司 | Split -core type meter with scalable action bars |
| CN105467191A (en) * | 2015-11-18 | 2016-04-06 | 重庆新世杰电气股份有限公司 | Clip-on ammeter |
| CN205193137U (en) * | 2015-11-18 | 2016-04-27 | 重庆新世杰电气股份有限公司 | Clip -on ammeter |
| CN107677852A (en) * | 2017-06-23 | 2018-02-09 | 国家电网公司 | A kind of Telescopic clip-on ammeter |
| CN208013278U (en) * | 2018-03-27 | 2018-10-26 | 广东电网有限责任公司汕头供电局 | It is a kind of to install the current measuring device for extending lever additional |
| CN208140778U (en) * | 2018-04-28 | 2018-11-23 | 广东电网有限责任公司 | A kind of 10KV extension type measurement split-core type meter |
| CN110297115A (en) * | 2019-06-24 | 2019-10-01 | 广东电网有限责任公司 | A kind of extended pattern electric current split-core type meter |
| CN209979721U (en) * | 2019-01-28 | 2020-01-21 | 深圳供电局有限公司 | Tester for detecting live current of 10kV lightning arrester |
| CN213689751U (en) * | 2020-10-22 | 2021-07-13 | 大唐岩滩水力发电有限责任公司 | Generator rotor brush current measuring tool |
-
2022
- 2022-08-10 CN CN202210953126.5A patent/CN115032440B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004361248A (en) * | 2003-06-04 | 2004-12-24 | Midori Anzen Co Ltd | Clamp type leakage current meter |
| CN202994885U (en) * | 2012-11-16 | 2013-06-12 | 宜阳县电业管理公司 | Telescopic tong-type ammeter |
| CN104950156A (en) * | 2014-03-27 | 2015-09-30 | 日置电机株式会社 | Clamp sensor and measurement apparatus |
| CN204256023U (en) * | 2014-11-19 | 2015-04-08 | 优利德科技(中国)有限公司 | A kind of New type of current pincers shell fragment gap control device |
| CN204789724U (en) * | 2015-07-10 | 2015-11-18 | 深圳市龙供供电服务有限公司 | Split -core type meter with scalable action bars |
| CN205193137U (en) * | 2015-11-18 | 2016-04-27 | 重庆新世杰电气股份有限公司 | Clip -on ammeter |
| CN105467191A (en) * | 2015-11-18 | 2016-04-06 | 重庆新世杰电气股份有限公司 | Clip-on ammeter |
| CN107677852A (en) * | 2017-06-23 | 2018-02-09 | 国家电网公司 | A kind of Telescopic clip-on ammeter |
| CN208013278U (en) * | 2018-03-27 | 2018-10-26 | 广东电网有限责任公司汕头供电局 | It is a kind of to install the current measuring device for extending lever additional |
| CN208140778U (en) * | 2018-04-28 | 2018-11-23 | 广东电网有限责任公司 | A kind of 10KV extension type measurement split-core type meter |
| CN209979721U (en) * | 2019-01-28 | 2020-01-21 | 深圳供电局有限公司 | Tester for detecting live current of 10kV lightning arrester |
| CN110297115A (en) * | 2019-06-24 | 2019-10-01 | 广东电网有限责任公司 | A kind of extended pattern electric current split-core type meter |
| CN213689751U (en) * | 2020-10-22 | 2021-07-13 | 大唐岩滩水力发电有限责任公司 | Generator rotor brush current measuring tool |
Non-Patent Citations (3)
| Title |
|---|
| LIJUAN CHEN: "Research on anti-electricity stealing method base on state estimation", 《2011 IEEE POWER ENGINEERING AND AUTOMATION CONFERENCE》 * |
| 刘广辉: "10_kV中置柜局部放电检测伸缩臂式夹持器", 《电工技术》 * |
| 谢启扬: "一种带伸缩杆的可伸缩无线钳形表", 《小微创新》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116879619A (en) * | 2023-08-01 | 2023-10-13 | 国网安徽省电力有限公司铜陵供电公司 | Handheld clamp type ammeter for anti-electricity-theft inspection |
| CN116879619B (en) * | 2023-08-01 | 2024-03-15 | 国网安徽省电力有限公司铜陵供电公司 | Handheld clamp type ammeter for anti-electricity-theft inspection |
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| CN115032440B (en) | 2022-11-08 |
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