CN211348323U - High-voltage circuit breaker test connecting wire tool - Google Patents
High-voltage circuit breaker test connecting wire tool Download PDFInfo
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- CN211348323U CN211348323U CN201921475661.4U CN201921475661U CN211348323U CN 211348323 U CN211348323 U CN 211348323U CN 201921475661 U CN201921475661 U CN 201921475661U CN 211348323 U CN211348323 U CN 211348323U
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Abstract
The utility model discloses a high voltage circuit breaker test connecting wire instrument, including the junction pole, the junction pole includes hook portion and action bars, and hook portion includes the couple of two springs, and the couple of two springs couple bottom is fixed to be provided with connecting portion, and connecting portion are hollow tubular structure, the fixed round pin axle that is provided with on the connecting portion. The pin shaft radially penetrates through the connecting part; the lower end of the connecting part is fixedly provided with a guide cover; the guide cover is in an inverted funnel shape; the operating rod comprises a plug part and an insulating rod; the inserting part is fixedly arranged at one end of the insulating rod; the plug part is in a cylindrical rod-shaped structure, and the end part of the plug part is provided with a longitudinal groove along the axial direction; the plug part is also provided with a transverse groove, and the transverse groove is arranged along the radial direction of the plug part and is intersected with the longitudinal groove; the connecting part of the operating rod can be inserted into the cavity in the connecting part, and the pin shaft can slide along the longitudinal groove into the transverse groove. The tool is simple in structure, low in cost, convenient to operate, high in efficiency, good in stability, convenient to assemble and maintain and wide in popularization prospect.
Description
Technical Field
The utility model relates to an electric power wiring detects technical field, in particular to high voltage circuit breaker test connection line instrument.
Background
According to the maintenance test regulations of the power company, when a high-voltage circuit breaker carries out preventive tests such as loop resistance, PT/CT dielectric loss and capacitance test, on-site maintenance test personnel often use high-altitude wiring clamps to hang test wires for the tests. The height of the existing 500kV high-voltage circuit breaker is generally about 10 meters, the length of a used high-altitude wiring clamp device is also about 10 meters, and the weight of an operating rod of the high-altitude wiring clamp and a test wire reaches 15 kilograms. Although the weight of a single rod is not heavy, the gravity center of the operating rod of the overhead wire connecting clamp is far away from the operating part of a human hand, the generated force arm is large, and then the operating rod can be lifted by an abnormally large operating force. And because lack guider and strutting arrangement, on-spot peg often can not accurate control action bars's direction, leads to pole falling and disconnected pole risk easily. In addition, when field test, especially when the synchronous test is needed, the test method requires three-phase synchronous test, so 3 high-voltage wires and 6 low-voltage wires need to be hung at the corresponding positions of three phases respectively, 9 test wires are needed in total, 9 high-altitude wiring clamp operating rods need to be used, and the total weight exceeds 135 kilograms. The traditional hanging rod and hanging method have great potential safety hazards: firstly, the direction of an operating rod cannot be accurately controlled, and the risks of damaging power equipment and personal injury caused by rod reversing exist; secondly, the operating rod of the high-altitude wiring clamp device is too long and heavy, and a gravity supporting device is not arranged at the middle upper part of the operating rod, so that the shearing force at the lower part of the operating rod is too large, and the risk of rod breaking exists; thirdly, the number of the required high-altitude wiring clamp operating rods is large, 9 operating rods and test wires of 15 kilograms are required for simultaneous three-phase measurement according to the number of the three operating rods which are hung on one phase, and the labor intensity of field personnel is increased, and especially when the high-altitude wiring clamp works in extreme weather, the safety risk of personnel and equipment can be brought.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model discloses a following technical scheme realizes:
a tool for testing a connecting wire of a high-voltage circuit breaker comprises a connecting wire rod, wherein the connecting wire rod comprises a hook part and an operating rod, the hook part comprises a double-spring hook, a connecting part is fixedly arranged at the bottom of the double-spring hook, the connecting part is of a hollow tubular structure, and a pin shaft is fixedly arranged on the connecting part;
the pin shaft radially penetrates through the connecting part;
the lower end of the connecting part is fixedly provided with a guide cover;
the guide cover is in an inverted funnel shape;
the operating rod comprises a plug part and an insulating rod;
the inserting part is fixedly arranged at one end of the insulating rod;
the plug part is in a cylindrical rod-shaped structure, and the end part of the plug part is provided with a longitudinal groove along the axial direction;
the plug part is also provided with a transverse groove, and the transverse groove is formed along the radial direction of the plug part and is intersected with the longitudinal groove;
the connecting part of the operating rod can be inserted into the cavity in the connecting part, and the pin shaft can slide along the longitudinal groove into the transverse groove.
Preferably, the device further comprises a pulley lever, wherein the pulley lever comprises a hook, a pulley and a support rod;
the hook is arranged at one end of the support rod, a pulley is fixedly arranged on the support rod, and the pulley is positioned at one end close to the hook;
and a pull rope is wound on the pulley, and one end of the pull rope is connected with the upper end of the operating rod.
Preferably, the pulley lever further comprises a hook coupling part,
the hook is rotatably arranged at the top end of the hook connecting part, and the bottom end of the hook connecting part is fixedly connected with the top end of the pulley;
the bottom end of the pulley is fixedly connected with the top end of the supporting rod.
Preferably, a baffle ring is fixedly arranged between the patch part and the insulating rod.
Preferably, the horizontal groove and the longitudinal groove have a certain angle difference on the same horizontal plane, the width of the longitudinal groove is greater than the outer diameter of the pin shaft, and the width of the horizontal groove is greater than 2 times of the outer diameter of the pin shaft.
Through this instrument, can realize that an action bars articulates a plurality of hook portion, if under the longer condition than heavier of action bars, can also hoist the junction pole with the help of the pulley lever, not only saved the work load of carrying many action bars greatly, can also avoid lifting up the produced potential safety hazard of action bars articulate. The tool is simple in structure, low in cost, convenient to operate, high in efficiency, good in stability, convenient to assemble and maintain and wide in popularization prospect.
Drawings
FIG. 1 is a schematic view of the overall construction of a terminal block;
fig. 2 is a general structural schematic view of a pulley lever;
FIG. 3 is a partial cross-sectional view of the terminal block as assembled;
FIG. 4 is a cross-sectional view of the terminal stem as separated;
FIG. 5 is a front view of the lever;
FIG. 6 is a top view of FIG. 5;
fig. 7 is a cross-sectional view D-D in fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 7 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
As shown in figure 1, the connecting line testing tool for the high-voltage circuit breaker comprises a connecting rod 1, wherein the connecting rod 1 comprises a hook part 10 and an operating rod 11. The hook part 10 comprises a double-spring hook 100 which is made of a traditional double-spring type ground wire clamp, only the upper part of the traditional wire clamp is taken at the position, a connecting part 101 is fixedly arranged at the bottom of the double-spring hook 100, the connecting part 101 is of a hollow tubular structure, and a pin shaft 1011 is fixedly arranged on the connecting part 101. As shown in fig. 4, the pin 1011 penetrates the connecting portion 101 radially through the axial center.
The lower end of the connecting part 101 is fixedly provided with a guide cover 102, the guide cover 102 is in an inverted funnel shape, and the inner cavity of the guide cover 102 is communicated with the cavity 1010 of the connecting part 101.
The connecting portion 101 and the guide housing 102 are made of an insulating material, such as nylon, epoxy resin, or the like.
The operating rod 11 comprises a patch part 110 and an insulating rod 111;
the patch part 110 is fixedly installed at one end of the insulating rod 111, the patch part 110 is in a solid cylindrical rod-shaped structure, a longitudinal groove 1100 is formed in the end part of the patch part 110 along the axial direction, and the longitudinal groove 1100 divides the top end of the patch part 110 into two symmetrical semicircular structures.
The patch part 110 is further provided with a transverse slot 1101, and the transverse slot 1101 is formed along the radial direction of the patch part 110 and intersects with the longitudinal slot 1100. The transverse slot 1101 is spaced from the upper end of the patch panel 110, for example, by about 3 cm. The horizontal groove 1101 and the vertical groove 1100 are different from each other in a certain angle on the same horizontal plane, the width of the vertical groove 1100 is larger than the outer diameter of the pin shaft 1011, and the width of the horizontal groove 1101 is 2 times larger than the outer diameter of the pin shaft 1011. The patch part 110 of the operating lever 11 can be inserted into the cavity 1010 in the connecting part 101, and the pin 1011 can slide along the longitudinal slot 1100 into the transverse slot 1101.
When the patch panel is used, the patch panel 110 on the operation rod 11 is inserted into the cavity 1010 in the connecting part 101, when the top end of the patch panel 110 contacts with the pin 1011 of the horizontal tube in the cavity 1010, the operation rod 11 is rotated, so that the longitudinal groove 1100 on the patch panel 110 corresponds to the pin 1011, then the pin 1011 moves along the longitudinal groove 1100 to the lower part of the patch panel 110, and when the top end of the patch panel 110 contacts with the top of the cavity 1010, the operation rod 11 is rotated, so that the pin 1011 moves to turn into the horizontal groove 1101. Due to the clamping resistance above the transverse groove 1101, the operating rod 11 and the hook part 10 cannot be easily separated, so that the operating rod can be conveniently hung on the tested overhead line.
After the hook part 10 is hung on the tested overhead line through the operating rod 11, the operating rod 11 is pulled, the double-spring hook 100 is clamped into the tested wire through the clamping and resisting action of the transverse groove 1101 and the pin 1011, then the operating rod 11 can be rotated in the opposite direction, so that the transverse groove 1101 and the pin 1011 are separated from each other, and the operating rod 11 is pulled out of the hook part 10.
When the wiring rod 1 is longer and heavier, the pulley lever 2 can be adopted for assisting hanging. As shown in fig. 2, the pulley lever 2 includes a hook 20, a pulley 22, and a support lever 23. The hook 20 is arranged at one end of the support rod 23, a pulley 22 is fixedly arranged on the support rod 23, and the pulley 22 is positioned at one end close to the hook 20. The pulley 22 may be secured in a binding manner. A pull rope is wound on the pulley 22, and one end of the pull rope is connected with the upper end of the operating rod 11.
Since the support bar 23 only needs to bear the weight of the hook 20, the pulley 22 and the pulley, it can be made light for easy operation.
When the device is used, the pulley lever 2 is firstly hung on a tested wire, then the heavier wiring lever 1 is pulled to the high altitude by pulling the pull rope wound on the pulley 22, and then the wiring lever is hung manually. The hooking and detaching method is the same as above, and will not be described herein.
In order to make the pulley lever 2 more aesthetically pleasing and portable, the pulley lever 2 further includes a hook coupling portion 21,
the hook 20 is rotatably arranged at the top end of the hook connecting part 21, and the bottom end of the hook connecting part 21 is fixedly connected with the top end of the pulley 22. The bottom end of the pulley 22 is fixedly connected with the top end of the support rod 23.
In order to prevent the pull rope from falling off due to untight binding, a stop ring 112 is fixedly arranged between the patch part 110 and the insulating rod 111, and the pull rope is bound under the stop ring.
Through this instrument, can realize that an action bars 11 articulates a plurality of couple portion 10, if under the condition that action bars 11 are longer than heavier, can also hoist junction pole 1 with the help of trolley lever 2, not only saved the work load of carrying many action bars greatly, can also avoid lifting up the produced potential safety hazard of action bars articulate. The tool is simple in structure, low in cost, convenient to operate, high in efficiency, good in stability, convenient to assemble and maintain and wide in popularization prospect.
Claims (5)
1. The utility model provides a high voltage circuit breaker test connecting wire instrument, includes terminal rod (1), terminal rod (1) includes couple portion (10) and action bars (11), its characterized in that:
the hook part (10) comprises a double-spring hook (100), a connecting part (101) is fixedly arranged at the bottom of the double-spring hook (100), the connecting part (101) is of a hollow tubular structure, and a pin shaft (1011) is fixedly arranged on the connecting part (101);
the pin shaft (1011) radially penetrates through the connecting part (101);
the lower end of the connecting part (101) is fixedly provided with a guide cover (102);
the guide cover (102) is in an inverted funnel shape;
the operating rod (11) comprises a plug part (110) and an insulating rod (111);
the plug part (110) is fixedly arranged at one end of the insulating rod (111);
the plug part (110) is of a cylindrical rod-shaped structure, and a longitudinal groove (1100) is formed in the end part of the plug part along the axial direction;
a transverse groove (1101) is formed in the patch part (110), and the transverse groove (1101) is formed along the radial direction of the patch part (110) and is intersected with the longitudinal groove (1100);
the plug part (110) of the operating rod (11) can be inserted into the cavity (1010) in the connecting part (101), and the pin shaft (1011) can slide into the transverse groove (1101) along the longitudinal groove (1100).
2. The high voltage circuit breaker test connection line tool of claim 1, wherein:
the device also comprises a pulley lever (2), wherein the pulley lever (2) comprises a hook (20), a pulley (22) and a support rod (23);
the hook (20) is arranged at one end of the support rod (23), a pulley (22) is fixedly arranged on the support rod (23), and the pulley (22) is positioned at one end close to the hook (20);
a pull rope is wound on the pulley (22), and one end of the pull rope is connected with the upper end of the operating rod (11).
3. The high voltage circuit breaker test connection line tool of claim 2, wherein:
the pulley lever (2) also comprises a hook connecting part (21),
the hook (20) is rotatably arranged at the top end of the hook connecting part (21), and the bottom end of the hook connecting part (21) is fixedly connected with the top end of the pulley (22);
the bottom end of the pulley (22) is fixedly connected with the top end of the supporting rod (23).
4. The high voltage circuit breaker test connection line tool of claim 3, wherein:
a baffle ring (112) is fixedly arranged between the patch part (110) and the insulating rod (111).
5. The tool for testing a connecting wire of a high-voltage circuit breaker according to any one of claims 1 to 4, wherein:
the horizontal groove (1101) and the vertical groove (1100) are different in a certain angle on the same horizontal plane, the width of the vertical groove (1100) is larger than the outer diameter of the pin shaft (1011), and the width of the horizontal groove (1101) is larger than 2 times of the outer diameter of the pin shaft (1011).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475661.4U CN211348323U (en) | 2019-09-06 | 2019-09-06 | High-voltage circuit breaker test connecting wire tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475661.4U CN211348323U (en) | 2019-09-06 | 2019-09-06 | High-voltage circuit breaker test connecting wire tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211348323U true CN211348323U (en) | 2020-08-25 |
Family
ID=72102759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921475661.4U Active CN211348323U (en) | 2019-09-06 | 2019-09-06 | High-voltage circuit breaker test connecting wire tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211348323U (en) |
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2019
- 2019-09-06 CN CN201921475661.4U patent/CN211348323U/en active Active
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