CN112230060A - Insulator operation type detection rod - Google Patents
Insulator operation type detection rod Download PDFInfo
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- CN112230060A CN112230060A CN202010900105.8A CN202010900105A CN112230060A CN 112230060 A CN112230060 A CN 112230060A CN 202010900105 A CN202010900105 A CN 202010900105A CN 112230060 A CN112230060 A CN 112230060A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
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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
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- General Physics & Mathematics (AREA)
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Abstract
The invention provides an insulator operation type detection rod, which belongs to the technical field of power line detection and comprises a telescopic rod, a winding device and an insulation resistance instrument, wherein a first cavity coaxial with the telescopic rod is arranged in the telescopic rod, and a detection head is arranged at the top end of the telescopic rod; the wire winding device is arranged at the bottom end of the telescopic rod, an electric wire is wound on the wire winding device, the electric wire penetrates through the first cavity, the end part of the electric wire is electrically connected with the detection head, and the wire winding device is used for winding and unwinding the electric wire along with the expansion and contraction of the telescopic rod; the insulation resistance instrument is fixedly arranged at the bottom of the telescopic rod and is electrically connected with the electric wire through a data line. According to the insulator operation type detection rod, zero value detection of the insulator can be realized only by one worker, so that the working complexity of the worker is reduced, and the labor intensity is reduced; the personal safety of workers is guaranteed, and accidents such as equipment falling are not easy to happen.
Description
Technical Field
The invention belongs to the technical field of power line detection, and particularly relates to an insulator operation type detection rod.
Background
The detection of the zero value of the insulator of the power transmission line is one of important works for ensuring the safe operation of the power transmission line. The transmission line insulator not only needs to bear the action of mechanical force and the influence of surrounding environment, but also needs to bear higher working voltage; the insulator is continuously aged in the operation process, the breakdown voltage is continuously reduced, and finally the insulator becomes a low-value or zero-value insulator, so that the pollution flashover trip accident of the power transmission line is easily caused, and the safe operation of the power transmission line is directly influenced by the resistance value of the insulator of the high-voltage power transmission line.
At present, a method for detecting the resistance value of an insulator by using an insulation resistance instrument is mainly adopted in the power failure test of the on-line insulator, the detection method comprises an insulation detection rod, a fork probe, a data line and the insulation resistance instrument, two workers are required to operate on a tower simultaneously during detection, one worker is required to detect, and the other worker reads test data, so that the following defects exist;
(1) the insulation resistance instrument is connected with the data lines, the lines are easily taken up and paid off on the tower by workers, and the longer data lines are easily touched with the adjacent live lines due to wind blowing and swinging in the same-tower double-circuit line detection, so that great potential safety hazards exist.
(2) The insulation resistance appearance is placed and is hardly found the stable point of placing on the iron tower, detects at every turn and changes the position and need reassemble the online, greatly consumes personnel's on the tower physical power and attention, has increased the complexity and the danger of work.
(3) At present, power failure test equipment for a wire-hanging insulator mainly comprises an insulation detection rod, a data line and an insulation resistance instrument, the test equipment does not have portability, an operator needs to simultaneously carry the insulation detection rod, the data line and the insulation resistance instrument when climbing a tower, the equipment is easily collided with the tower and dragged, and the equipment is easily caused to fall off and be damaged or the serious falling object injures people accidents.
Disclosure of Invention
The invention aims to provide an insulator operation type detection rod, and aims to solve the technical problems that equipment is complicated when an insulation resistance instrument is adopted to detect an insulator, the labor intensity is increased, and the potential safety hazard is large.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided an insulator operation type detection lever, comprising:
the detection device comprises a telescopic rod, a detection head and a detection head, wherein a first cavity coaxial with the telescopic rod is arranged in the telescopic rod;
the wire winding device is arranged at the bottom end of the telescopic rod, an electric wire is wound on the wire winding device, the electric wire penetrates through the first cavity, the end part of the electric wire is electrically connected with the detection head, and the wire winding device is used for winding and unwinding the electric wire along with the expansion and contraction of the telescopic rod; and
and the insulation resistance instrument is fixedly arranged at the bottom of the telescopic rod and is electrically connected with the electric wire through a data wire.
As another embodiment of the present application, the telescopic rod comprises:
the bottom end of the first rod body is fixedly connected with the wire coiling device, and a first sliding groove is formed in the first rod body;
the bottom end of the second rod body is connected with the first sliding groove in a sliding mode, and a second sliding groove is formed in the second rod body; and
the bottom end of the third rod body is connected with the second sliding groove in a sliding mode, the top end of the third rod body is provided with the detection head, and a through groove for the electric wire to extend out is formed in the third rod body;
the first sliding groove, the second sliding groove and the through groove are communicated with each other to form the first cavity.
As another embodiment of this application, the second body of rod includes a plurality of in order flexible complex sliding section, is located both ends the sliding section respectively with the first body of rod with third body of rod sliding connection.
As another embodiment of the present application, a first protrusion is disposed at the top end of the first sliding groove, and a second protrusion used for being clamped with the first protrusion is disposed at the bottom end of the second rod body;
the top of second spout is equipped with the third arch, the bottom of the third body of rod be equipped with be used for with the fourth arch of the protruding joint of third.
As another embodiment of the present application, the wire winding device includes:
the shell is fixedly connected with the bottom of the telescopic rod;
the winding rod is rotatably connected with the shell;
the elastic band is wound on the winding rod, one end of the elastic band is fixedly connected with the winding rod, and the other end of the elastic band is fixedly connected with the electric wire; and
and the locker is arranged on the shell and used for preventing the elastic belt from rebounding.
As another embodiment of the present application, the wire winding device includes:
the shell is fixedly connected with the bottom end of the telescopic rod;
the winding rod is rotatably connected with the shell, a connecting disc is fixedly arranged at the end part of the winding rod, and a spring is arranged between the connecting disc and the shell;
the rotary disc is rotationally connected to the shell, and the rotary disc and the connecting disc are coaxially arranged; and
the spanner, the cover is located on the wire winding pole, just the axial of wire winding pole go up with wire winding pole relatively fixed, the spanner is used for driving the connection pad is close to the carousel, the carousel is used for driving the connection pad rotates to the line is received in the realization. As another embodiment of this application, the top of telescopic link is rotated and is connected with the test rack, it sets firmly to detect the head on the test rack, it is in the perpendicular to detect the rack be used for in the direction of telescopic link axis with telescopic link normal running fit.
As another embodiment of the present application, the test stand includes:
the base is rotatably connected with the top end of the telescopic rod; and
the detection head comprises a base, a detection head and a fork, wherein the detection head is arranged on the base, the fork is provided with two branches, the two branches are arranged on the top of the base in an angle mode, and the fork is used for fixing the detection head.
As another embodiment of this application, the insulation resistance appearance pass through the buckle with the telescopic link is connected, the buckle includes:
the clamping ring is used for clamping the bottom of the telescopic rod; and
and one side of the bracket is connected with the clamping ring ball, and the other side of the bracket is connected with the insulation resistance instrument in a clamping manner.
As another embodiment of this application, one side of support is equipped with the joint bowl, one side of snap ring be equipped with be used for with the joint ball of joint bowl ball joint.
The insulator operation type detection rod provided by the invention has the beneficial effects that: compared with the prior art, when a worker needs to detect the insulator, the worker only needs to take the insulator operation type detection rod to climb the tower, the telescopic rod is pulled to enable the detection head to contact the position to be detected, the winding device is matched with the extension pay-off of the telescopic rod when the telescopic rod extends, and the numerical value detected by the detection head is reflected to the insulation resistance instrument to complete detection. According to the insulator operation type detection rod, zero value detection of the insulator can be realized only by one worker, and when the worker climbs a tower, a pile of tools do not need to be carried, so that the working complexity of the worker is reduced, and the labor intensity is reduced; and realize the coiling of electric wire through the spiral device, conveniently receive and release the line, the electric wire is in the telescopic link always, and factor influence such as is blown by wind is less, prevents that the electric wire is in the external world and takes place to coil with other circuits, has ensured staff's personal safety, also is difficult for taking place accidents such as equipment drops.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of an insulator-operated test rod according to an embodiment of the present invention;
fig. 2 is a schematic front view of an insulator operating type detection rod according to an embodiment of the present invention;
fig. 3 is a schematic partial cross-sectional view of an insulator operating type test rod according to an embodiment of the present invention;
FIG. 4 is a sectional view taken along line B-B of FIG. 3;
fig. 5 is an enlarged schematic view of a portion a in fig. 3.
In the figure: 1. a telescopic rod; 101. a first rod body; 102. a second rod body; 103. a third rod body; 2. a wire winding device; 201. a housing; 202. a wire winding rod; 203. an elastic band; 204. a locker; 205. a turntable; 206. a wrench; 3. an insulation resistance meter; 4. a detection head; 5. a motor; 6. an electric wire; 7. a data line; 8. a first chute; 9. a second chute; 10. a through groove; 11. a first protrusion; 12. a second protrusion; 13. a third protrusion; 14. a fourth protrusion; 15. a connecting disc; 16. a spring; 17. a splint; 18. accommodating grooves; 19. clamping the bowl; 20. clamping the ball; 21. a detection frame; 211. a base; 212. branching; 22. buckling; 221. a snap ring; 222. and (4) a bracket.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, the insulator operated type test rod according to the present invention will now be described. The insulator operation type detection rod comprises a telescopic rod 1, a winding device 2 and an insulation resistance instrument 3, wherein a first cavity coaxial with the telescopic rod 1 is arranged inside the telescopic rod 1, and a detection head 4 is arranged at the top end of the telescopic rod 1; the winding device 2 is arranged at the bottom end of the telescopic rod 1, an electric wire 6 is wound on the winding device 2, the electric wire 6 penetrates through the first cavity, the end part of the electric wire is electrically connected with the detection head 4, and the winding device 2 is used for winding and unwinding the electric wire 6 along with the expansion and contraction of the telescopic rod 1; the insulation resistance instrument 3 is fixedly arranged at the bottom of the telescopic rod 1, and the insulation resistance instrument 3 is electrically connected with the electric wire 6 through the data wire 7.
Compared with the prior art, when workers need to detect insulators, the insulator operation type detection rod only needs to be taken up to climb a tower, the telescopic rod 1 is pulled to enable the detection head 4 to contact a position to be detected, when the telescopic rod 1 extends, the winding device 2 is matched with the extension of the telescopic rod 1 to pay off, and numerical values detected by the detection head 4 are reflected to the insulation resistance instrument 3 to finish detection. According to the insulator operation type detection rod, zero value detection of the insulator can be realized only by one worker, and when the worker climbs a tower, a pile of tools do not need to be carried, so that the working complexity of the worker is reduced, and the labor intensity is reduced; and realize the coiling of electric wire 6 through spiral device 2, conveniently receive and release the line, electric wire 6 is in telescopic link 1 always, and factor influence such as is blown by wind is less, prevents that electric wire 6 from being in the external world and taking place to coil with other circuits, has ensured staff's personal safety, also is difficult for taking place accidents such as equipment drops.
Referring to fig. 1 to 2, a telescopic rod 1 includes a first rod 101, a second rod 102, and a third rod 103, a bottom end of the first rod 101 is fixedly connected to a winding device 2, and a first chute 8 is disposed in the first rod 101; the bottom end of the second rod body 102 is connected with the first chute 8 in a sliding manner, and a second chute 9 is arranged in the second rod body 102; the bottom end of the third rod body 103 is connected with the second chute 9 in a sliding manner, the top end of the third rod body is provided with the detection head 4, and a through groove 10 for extending the power supply line 6 is arranged in the third rod body 103; the first sliding groove 8, the second sliding groove 9 and the through groove 10 are communicated with each other to form a first cavity.
When the telescopic rod 1 needs to be extended, the third rod body 103 is firstly pulled, and when the third rod body 103 reaches the top end of the second sliding groove 9, the second rod body 102 is driven to slide in the first sliding groove 8, until the second rod body 102 also reaches the top of the first sliding groove 8, the telescopic rod 1 is in the state of the longest length; when the telescopic rod 1 needs to retract, the wire 6 is wound through the winding device 2, the end part of the wire 6 is connected with the detection head 4, and the detection head 4 is fixedly connected with the top of the third rod body 103, so that the third rod body 103 is driven to gradually retract into the second chute 9 in the winding process of the wire 6, and further, the second rod body 102 is driven to retract into the first chute 8; the first sliding groove 8, the second sliding groove 9 and the through groove 10 can not only realize the extension and retraction of the telescopic rod 1, but also ensure the free winding and unwinding of the electric wire 6, and have simple structure and convenient operation.
Referring to fig. 1 to 3, the second rod 102 at least includes a plurality of sliding sections sequentially and telescopically engaged with each other, and the sliding sections at two ends are slidably connected to the first rod 101 and the third rod 103, respectively. By setting one or more of the inner sliding sections of the second rod 102, the application range of the telescopic rod 1 can be adjusted, for example: when the second rod 102 comprises a sliding section, namely the sliding section is the second rod 102, the shortest length of the telescopic rod 1 is 1.5m, and the longest length is 3 m; when the second rod 102 includes three sliding sections, the shortest length of the telescopic rod 1 is 2m, and the longest length is 5 m.
When the working distance is within 3m, the telescopic rod 1 with only one sliding section can be used for detection, and certainly, the telescopic rod 1 with three sliding sections can be used for measurement, but the corresponding tool weight is increased, so that the telescopic rod 1 with one sliding section is preferably arranged. By analogy, a proper number of sliding sections are installed between the first rod body 101 and the third rod body 103 according to the length of the working distance, so that the working distance can be conveniently used.
As a specific embodiment of the insulator operation type detection rod provided by the present invention, please refer to fig. 1, a first protrusion 11 is disposed at the top end of the first sliding groove 8, and a second protrusion 12 for engaging with the first protrusion 11 is disposed at the bottom end of the second rod 102; the top of second spout 9 is equipped with third arch 13, and the bottom of the third body of rod 103 is equipped with the fourth arch 14 that is used for with third arch 13 joint.
When the third rod 103 is pulled and the third rod 103 extends to the limit position, the fourth protrusion 14 at the bottom of the third rod 103 abuts against the third protrusion 13 at the top end of the second sliding groove 9, and at this time, pulling the third rod 103 again drives the second rod 102 to slide in the first sliding groove 8; the second rod 102 slides in the first sliding groove 8, and when the second rod 102 extends to the extreme position, the second protrusion 12 at the bottom of the second rod 102 is abutted with the first protrusion 11 at the top end of the first sliding groove 8; the first rod body 101 and the second rod body 102 are limited by the cooperation of the first protrusion 11 and the second protrusion 12 and the cooperation of the third protrusion 13 and the fourth protrusion 14, the first rod body 101 and the second rod body 102 are prevented from dropping in the sliding process, the falling object is prevented from injuring people, and the safety performance of the device is improved.
As a specific embodiment of the insulator operation type detection rod provided by the present invention, please refer to fig. 1 to 2, the winding device 2 includes a housing 201, a winding rod 202, an elastic band 203 and a locker 204, the housing 201 is fixedly connected to the bottom of the telescopic rod 1; the winding rod 202 is rotatably connected with the shell 201; the elastic band 203 is wound on the winding rod 202, one end of the elastic band 203 is fixedly connected with the winding rod 202, and the other end of the elastic band 203 is fixedly connected with the electric wire 6; the locker 204 is provided on the housing 201 to prevent the elastic band 203 from rebounding. Preferably, the elastic band 203 is a spring plate with one end fixed to the winding rod 202 and wound on the winding rod 202 for a plurality of turns, and the other end fixed to the electric wire 6.
It should be noted that, in this structure, the way of electrically connecting the detection head 4 and the insulation resistance meter 3 is as follows: one end of the data line 7 is exposed outside the telescopic rod 1, and be used for pegging graft with the insulation resistance appearance 3, the other end of the data line 7 stretches into in the first cavity and extends to the bottom of telescopic rod 1, the data line 7 is connected with the electricity of wire winding rod 202, be equipped with the conducting wire in the wire winding rod 202, the elastic ribbon 203 is conducting material and is connected with the conducting wire electricity in the wire winding rod 202, the one end and the wire winding rod 202 rigid coupling of elastic ribbon 203, the other end and the electric wire 6 of elastic ribbon 203 are fixed, the elastic ribbon 203 is connected with the electricity of electric wire 6 simultaneously, consequently, the electricity that has realized detecting head 4 and insulation resistance appearance 3.
In the process of stretching the telescopic rod 1, as the length of the telescopic rod 1 is lengthened, the top end of the telescopic rod is farther from the bottom end, in the process, as the detection head 4 is connected with the end part of the electric wire 6, in the process of stretching the telescopic rod 1, the winding rod 202 carries out paying-off under the pulling action of the detection head 4, after paying-off to a proper position, the elastic belt 203 is locked through the locker 204, and at the moment, the elastic belt 203 is pulled on the winding rod 202 to shrink and wind tightly; when the monitoring is finished and the wire is required to be taken up, the locking of the locker 204 on the elastic band 203 is released, the elastic band 203 is wholly expanded to drive the electric wire 6 to be withdrawn and wound on the winding rod 202, and in the wire winding process, the end part of the electric wire 6 is pulled to the detection head 4 so as to realize the retraction of the telescopic rod 1.
The structure is convenient for manual pulling of the telescopic rod 1 according to the requirement to measure; when the wire is taken up, the wire is automatically taken up through the elastic belt 203, so that the manual operation is facilitated, and the labor intensity is reduced.
Referring to fig. 3 and 5, the winding device 2 includes a housing 201, a winding rod 202, a turntable 205, and a wrench 206, wherein the housing 201 is fixedly connected to the bottom end of the telescopic rod 1; the winding rod 202 is rotatably connected with the shell 201, a connecting disc 15 is fixedly arranged at the end part of the winding rod 202, and a spring 16 is arranged between the connecting disc 15 and the shell 201; the turntable 205 is rotatably connected to the shell 201, and the turntable 205 and the connecting disc 15 are coaxially arranged; the wrench 206 is sleeved on the winding rod 202 and is relatively fixed to the winding rod 202 in the axial direction of the winding rod 202, the wrench is used for driving the connecting disc 15 to be close to the turntable 205, and the turntable 205 is used for driving the connecting disc 15 to rotate so as to achieve winding.
It should be noted that, in this structure, the way of electrically connecting the detection head 4 and the insulation resistance meter 3 is as follows: data line 7 and electric wire 6 are a whole wire, and the one end and the insulation resistance appearance 3 electricity of wire are connected, and in the telescopic link was stretched into to the middle part of wire, on the winding rod 202 was located to the duplex winding, the other end upwards extended until stretching out from the top of telescopic link 1 and detect the head 4 electricity and be connected.
In the process of stretching the telescopic rod 1, as the length of the telescopic rod 1 is lengthened, the top end of the telescopic rod is farther and farther from the bottom end, in the process, as the detection head 4 is connected with the end part of the electric wire 6, the connecting disc 15 is in the initial position and is not contacted with the turntable 205, and the turntable 205 is connected with the motor 5, the winding rod 202 is paid off under the drawing action of the detection head 4 in the process of stretching the telescopic rod 1; when the wire is required to be taken up after the detection is finished, the wrench 206 is pulled to drive the wire winding rod 202 to move axially, meanwhile, the spring 16 is stretched, the connecting disc 15 at the end part is close to the turntable 205, and the wire winding rod 202 is driven to rotate by the turntable 205 to realize the wire winding, and in the wire winding process, the end part of the wire 6 pulls the detection head 4 to realize the contraction of the telescopic rod 1; after the wire is taken up, the spring 16 contracts and rebounds to drive the connecting disc 15 to recover the initial position, and the connecting disc 15 is far away from the turntable 205.
It is worth to be noted that, the turntable 205 is connected with the motor 5, the turntable 205 is kept in a continuous rotation state through the motor 5, and the connecting disc 15 is driven to rotate to realize wire winding when the connecting disc 15 is close to the turntable 205; the turntable 205 may also start to rotate only when the connecting disc 15 approaches, as long as the turntable can drive the connecting disc 15 to take up wires; when not receiving the line, the telescopic link 1 is the measuring condition promptly, and connection pad 15 and carousel 205 are the mutual spaced, prevent that carousel 205 from rotating to receive the line suddenly when measuring, improve the security.
Specifically, two clamping plates 17 are arranged on the winding rod 202, and the end of the wrench 206 is sleeved on the winding rod 202 and located between the two clamping plates 17, so as to ensure that the wrench 206 abuts against the end of the clamping plate 17 when being wrenched, thereby realizing the axial movement of the winding rod 202.
The structure is convenient for manual pulling of the telescopic rod 1 according to the requirement to measure; when the wire is taken up, the wire is automatically taken up through the turntable 205, so that the manual operation is facilitated, and the labor intensity is reduced.
Referring to fig. 3 and 5, as an embodiment of the insulator operated type test rod according to the present invention, outer teeth are formed on an outer circumference of the connection plate 15, a recessed receiving groove 18 is formed on the turntable 205, and inner teeth for engaging with the outer teeth are formed on an inner surface of the receiving groove 18. When the winding rod 202 is wrenched by the wrench 206 to move, the connecting disc 15 contacts with one side face of the rotary disc 205 first, and under the continuous extrusion of the wrench 206, once the external teeth of the connecting disc 15 correspond to the internal teeth on the accommodating groove 18, the connecting disc 15 can enter the accommodating groove 18 to be meshed with the rotary disc 205, the connecting disc 15 is driven to rotate through the rotary disc 205 conveniently, the stability in the rotating process can be guaranteed through gear meshing, and the stability of winding is further improved.
Referring to fig. 1 to 2, the top end of the telescopic rod 1 is rotatably connected with a detection frame 21, the detection head 4 is fixedly arranged on the detection frame 21, and the detection frame 21 is used for rotatably matching with the telescopic rod 1 in a direction perpendicular to the axis of the telescopic rod 1. In the process of insulator detection, the orientation of the detection head 4 can be changed by rotating the detection frame 21, so that the method is suitable for different detection environments.
As a specific embodiment of the insulator-operated detection rod according to the present invention, referring to fig. 1 to 2, the detection frame 21 includes a base 211 and a fork 212, wherein the base 211 is rotatably connected to the top end of the telescopic rod 1; the fork 212 is provided with two forks 212, the two forks 212 are arranged at an angle at the top of the base 211, and the fork 212 is used for fixing the detection head. Preferably, the fork 212 is formed by bending an iron wire, and the fork 212 fixes the detection head 4, so that the detection head 4 can be conveniently pulled to adjust the angle during rotation, and meanwhile, the stability of the detection head 4 during use can be ensured by fixing the fork 212, and the detection head is prevented from being easily damaged during measurement in a severe environment; the top of telescopic link 1 is equipped with motor 5, and motor 5's output shaft is parallel with telescopic link 1's axis, and motor 5's output shaft still with base 211 rigid coupling, telescopic link 1's bottom is equipped with the control button who is used for being connected with motor 5 communication, can conveniently control motor 5's corotation and reversal through control button, and then control detection frame 21 rotates certain angle, convenient regulation, the flexibility is high.
As a specific embodiment of the insulator operation type detection rod provided by the present invention, please refer to fig. 3 to 5, an insulation resistance meter 3 is connected to a telescopic rod 1 through a buckle 22, the buckle 22 includes a snap ring 221 and a bracket 222, the snap ring 221 is used for being clamped with the bottom of the telescopic rod 1; one side of the bracket 222 is ball-jointed with the snap ring 221, and the other side is clamped with the insulation resistance meter 3. During installation, the clamping ring 221 is connected with the telescopic rod 1, then the insulation resistance instrument 3 is fixed on the support 222, and due to the ball joint between the clamping ring 221 and the support 222, the orientation of a display screen on the insulation resistance instrument 3 can be conveniently adjusted by pulling the support 222 off, so that the indication of the insulation resistance instrument 3 faces human eyes, and workers can conveniently observe data; meanwhile, the falling accident of workers due to the inconvenience of observation is prevented.
Referring to fig. 3 to 5, as an embodiment of the insulator-operated test rod according to the present invention, a clamping bowl 19 is disposed on one side of a bracket 222, and a clamping ball 20 for ball-engaging with the clamping bowl 19 is disposed on one side of a clamping ring 221. Preferably, the clamping bowl 19 is a spherical sheet body and is provided with an opening. In the installation process, align joint ball 20 with the opening part of joint bowl 19 earlier, press joint ball 20, under the extrusion of joint ball 20, the opening part of joint bowl 19 expands, after joint ball 20 got into joint bowl 19, the opening part of joint bowl 19 contracts, joint ball 20 and the ball joint of joint bowl 19, the joint through joint bowl 19 and joint ring conveniently carries out omnidirectional regulation to the angle of support 222, when being applicable to the reading on the staff follow different angles observation insulation resistance appearance 3, it can directly to break support 222 and adjust the orientation of reading.
As a specific embodiment of the insulator-operated detection rod provided by the present invention, not shown in the drawings, the support 222 includes a fixing frame and an adjusting frame, the fixing frame is fixedly connected to the clamping bowl 19, and the adjusting frame is slidably connected to the fixing frame. The distance on both sides of the support 222 is adjustable, so that the support 222 can conveniently clamp the insulation resistance meters 3 with different volumes, and the application range is enlarged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Insulator operation formula test rod, its characterized in that includes:
the detection device comprises a telescopic rod, a detection head and a detection head, wherein a first cavity coaxial with the telescopic rod is arranged in the telescopic rod;
the wire winding device is arranged at the bottom end of the telescopic rod, an electric wire is wound on the wire winding device, the electric wire penetrates through the first cavity, the end part of the electric wire is electrically connected with the detection head, and the wire winding device is used for winding and unwinding the electric wire along with the expansion and contraction of the telescopic rod; and
and the insulation resistance instrument is fixedly arranged at the bottom of the telescopic rod and is electrically connected with the electric wire through a data wire.
2. The insulator operated test rod of claim 1, wherein the telescoping rod comprises:
the bottom end of the first rod body is fixedly connected with the wire coiling device, and a first sliding groove is formed in the first rod body;
the bottom end of the second rod body is connected with the first sliding groove in a sliding mode, and a second sliding groove is formed in the second rod body; and
the bottom end of the third rod body is connected with the second sliding groove in a sliding mode, the top end of the third rod body is provided with the detection head, and a through groove for the electric wire to extend out is formed in the third rod body;
the first sliding groove, the second sliding groove and the through groove are communicated with each other to form the first cavity.
3. The insulator operated test rod of claim 2, wherein the second rod includes a plurality of sliding sections which are sequentially telescopically engaged, the sliding sections at both ends being slidably connected to the first rod and the third rod, respectively.
4. The insulator operating type detection rod according to claim 2, wherein a first protrusion is provided at a top end of the first sliding groove, and a second protrusion for engaging with the first protrusion is provided at a bottom end of the second rod body;
the top of second spout is equipped with the third arch, the bottom of the third body of rod be equipped with be used for with the fourth arch of the protruding joint of third.
5. The insulator operated test rod according to claim 1, wherein the wire coiling means comprises:
the shell is fixedly connected with the bottom of the telescopic rod;
the winding rod is rotatably connected with the shell;
the elastic band is wound on the winding rod, one end of the elastic band is fixedly connected with the winding rod, and the other end of the elastic band is fixedly connected with the electric wire; and
and the locker is arranged on the shell and used for preventing the elastic belt from rebounding.
6. The insulator operated test rod according to claim 1, wherein the wire coiling means comprises:
the shell is fixedly connected with the bottom end of the telescopic rod;
the winding rod is rotatably connected with the shell, a connecting disc is fixedly arranged at the end part of the winding rod, and a spring is arranged between the connecting disc and the shell;
the rotary disc is rotationally connected to the shell, and the rotary disc and the connecting disc are coaxially arranged; and
the spanner, the cover is located on the wire winding pole, just the axial of wire winding pole go up with wire winding pole relatively fixed, the spanner is used for driving the connection pad is close to the carousel, the carousel is used for driving the connection pad rotates to the line is received in the realization.
7. The insulator operating type test rod according to claim 1, wherein a test frame is rotatably connected to the top end of the telescopic rod, the test head is fixedly arranged on the test frame, and the test frame is used for being rotatably matched with the telescopic rod in a direction perpendicular to the axis of the telescopic rod.
8. The insulator operated test rod of claim 7, wherein the test frame comprises:
the base is rotatably connected with the top end of the telescopic rod; and
the detection head comprises a base, a detection head and a fork, wherein the detection head is arranged on the base, the fork is provided with two branches, the two branches are arranged on the top of the base in an angle mode, and the fork is used for fixing the detection head.
9. The insulator operated test rod of claim 1, wherein the insulation resistance gauge is connected to the telescoping rod by a snap, the snap comprising:
the clamping ring is used for clamping the bottom of the telescopic rod; and
and one side of the bracket is connected with the clamping ring ball, and the other side of the bracket is connected with the insulation resistance instrument in a clamping manner.
10. The insulator operated test rod of claim 9, wherein a snap-fit bowl is provided on one side of the bracket, and a snap-fit ball for engagement with the snap-fit bowl is provided on one side of the snap ring.
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|---|---|---|---|
| CN202010900105.8A CN112230060A (en) | 2020-08-31 | 2020-08-31 | Insulator operation type detection rod |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010900105.8A CN112230060A (en) | 2020-08-31 | 2020-08-31 | Insulator operation type detection rod |
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| CN112230060A true CN112230060A (en) | 2021-01-15 |
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