CN201812007U - Pressurizing device for testing loop resistance of embedded pole - Google Patents
Pressurizing device for testing loop resistance of embedded pole Download PDFInfo
- Publication number
- CN201812007U CN201812007U CN2010205392425U CN201020539242U CN201812007U CN 201812007 U CN201812007 U CN 201812007U CN 2010205392425 U CN2010205392425 U CN 2010205392425U CN 201020539242 U CN201020539242 U CN 201020539242U CN 201812007 U CN201812007 U CN 201812007U
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- pressure
- pole
- loop resistance
- test
- bracing frame
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- Expired - Lifetime
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Abstract
The utility model discloses a pressurizing device for testing loop resistance of an embedded pole, which comprises a support frame, a pressure testing device and a pressurizing component. The support frame is used for being fixed to the embedded pole to be tested, a pull rod hole is arranged at the bottom of the support frame, a pull rod of the embedded pole penetrates through the pull rod hole, the pressure testing device is positioned on one side of the pull rod hole, and the pressurizing component used for exerting pressure on the pressure testing device contacts with one side, which is far away from the pull rod hole, of the pressure testing device. The simple and effective pressurizing device for the testing loop resistance of the embedded pole omits reverse placement of the embedded pole during pressurization, adopts a universal testing machine for pressurization, can pressurize the embedded pole which is horizontally placed, and is simple in operation by one person. Pressure on the pull rod of the embedded pole to be tested is more uniform by the aid of a buffer component positioned between the pressure testing device and a rotating part, and control of testing conditions is more accurate.
Description
Technical field
The utility model relates to a kind of pressue device, particularly relates to a kind of pressue device that is used to test the pole loop resistance.
Background technology
Pole is meant that the conductive pieces that vacuum interrupter is relevant with isolating switch is embedded in the easy cured solid insulating material of this class of epoxy resin simultaneously and forms pole, makes whole circuit breaker polar become as a whole parts.Pole has following two advantages: the one, and modular design, simple in structure, detachable part is few, the reliability height; The 2nd, high insulating bar ability.It becomes surface insulation into the volume insulation, compares air insulation, has reduced the influence of environment, has improved dielectric strength greatly.It can make the isolating switch size dwindle, and helps the switch cubicle miniaturization.In the past, the insulation crust of general vacuum interrupter was exposed in the air, existed by extraneous dust, moist pollution problems.For reducing this influence, require the shell of vacuum interrupter that enough length is arranged, this not only influences the miniaturization of vacuum interrupter, also influences the Performance And Reliability of vacuum interrupter.Pole has the following advantages: compare with traditional assembly type pole, the number of spare parts of pole reduces in a large number, and the faying surface of conductor reduces to 3 groups by 6 groups, and coupling bolt reduces to 1～3 by 8, and simple structure has improved the reliability of isolating switch greatly; Because vacuum interrupter is embedded in the solid material, so do not need to do any further processing, pole can reach very high dielectric strength; After vacuum interrupter was embedded in solid material, the external environment of pole was eased down to minimum to the influence of vacuum interrupter.
The loop resistance test is as an important indicator of passing judgment on pole product electric property, the loop resistance of test pole needs earlier its two contact to be exerted pressure, the schematic representation of apparatus that Fig. 1 pressurizes and detects for available technology adopting general-purpose testing machine, as shown in Figure 1, when testing the loop resistance of pole, be inverted and move on general-purpose testing machine 20 testing stands (figure does not show) after needing earlier pole 1 to be installed pull bar 2, the crossbeam 201 of control general-purpose testing machine 20 presses down, pull bar 2 is exerted pressure, thereby make the vacuum interrupter two contacts contact of pole inside good, and read the pressurization result from the control panel 202 of general-purpose testing machine 20, the pressurization back is then carried out the loop resistance test with circuit resistance tester to pole.The problem that described applied voltage test method exists has: 1, general-purpose testing machine 20 cost height.Need when 2, general-purpose testing machine 20 carries out applied voltage test pole 1 is inverted, the testing machine table top is the pole (with reference to figure 2) that the plane is not suitable for placing sphere, causes landing easily, damages pole.3, it is bigger to seal the product unit weight admittedly, pole is placed in the process on the testing machine will expends a large amount of muscle power of operating personnel, must two people could finish test, and testing efficiency is low.
The utility model content
The technical problems to be solved in the utility model is that available technology adopting general-purpose testing machine price is high in order to overcome, when pressurization need pole is inverted the defectives that cause landing easily and expend a large amount of muscle power of operating personnel, need not to be inverted the pressue device of the test pole loop resistance of pole when a kind of simple to operate, pressurization is provided.
The utility model solves above-mentioned technical matters by following technical proposals:
A kind of pressue device of testing the pole loop resistance, its characteristics are that it comprises:
One is used for and bracing frame that pole to be measured is fixing, and this bracing frame bottom has one and is used for the tie rod hole that the pull bar for pole to be measured passes;
One is positioned at the pressure test device of a side of this tie rod hole;
One is used for pressure-producing part that this pressure test device is exerted pressure, and this pressure-producing part and this pressure test device are away from a side contacts of this tie rod hole.
Preferably, this bracing frame comprises a bracing frame main body and an a junction, the two ends of this bracing frame main body have be used for pole to be measured on the fixing mounting groove of nut, this connecting portion has a hollow space, this hollow space is connected with this tie rod hole, and an end of this pressure test device is arranged in this hollow space.
Preferably, the bottom of this bracing frame main body also is provided with a stop means that is used for fixing this pressure test device.
Preferably, this pressure-producing part is a revolving part, and the pressue device of this test pole loop resistance also comprises a fixture that is connected with connecting portion, and wherein an end of this revolving part threaded hole that passes fixture contacts with this pressure test device.
Preferably, this pressue device also comprises a buffer unit between this pressure test device and this revolving part.
Preferably, the inwall of this connecting portion has and is used to limit the gathering sill that move of this buffer unit at the hollow space of this connecting portion.
Preferably, this fixture is a nut block, and this revolving part is a bolt.
Preferably, this pressure test device is a pressure transducer.
Preferably, this pressure test device comprises a pressure display instrument table that links to each other with this pressure transducer.
Positive progressive effect of the present utility model is: the pressue device that a kind of simple and effective test pole loop resistance is provided, need not during pressurized operation pole to be inverted and to be adopted the general-purpose testing machine to pressurize, the pole horizontal positioned can be pressurizeed, simple to operate, the individual can finish.Make that by the buffer unit between this pressure test device and this revolving part the pull bar pressure of pole to be measured is more even, the control of test condition is more accurate.
Description of drawings
The schematic representation of apparatus that Fig. 1 pressurizes and detects for available technology adopting general-purpose testing machine.
Fig. 2 is the front view of pole.
Fig. 3 is the vertical view of pole.
Fig. 4 is the front view of the pressue device of test pole loop resistance of the present utility model.
Fig. 5 is the left view of the pressue device of test pole loop resistance of the present utility model.
Fig. 6 is the pressue device of test pole loop resistance of the present utility model and the assembling synoptic diagram of pole.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
With reference to figure 2-Fig. 5, the pressue device of test pole loop resistance described in the utility model comprises:
One bracing frame 3 is used for fixing with pole to be measured, and these bracing frame 3 bottoms have tie rod hole 312, and this tie rod hole 312 is used for passing for the pull bar 2 of pole to be measured; One is positioned at the pressure test device 6 of these tie rod hole 2 one sides, and particularly, this pressure test device 6 links to each other with these bracing frame 3 bottoms; One is used for pressure-producing part that this pressure test device is exerted pressure, and an end of this pressure-producing part and this pressure test device are away from a side contacts of this tie rod hole.
With reference to figure 4 and Fig. 5, specifically, this bracing frame 3 has bracing frame main body 31 that is positioned at the bottom and the connecting portion 32 that is positioned at the top, the two ends of this bracing frame main body 31 have mounting groove 311, the middle part of this bracing frame main body 31 has tie rod hole 312, this connecting portion 32 has hollow space 321, and this hollow space 321 is connected with the tie rod hole 312 at these bracing frame main body 31 middle parts.The assembling of this bracing frame and pole to be measured for convenience, with reference to figure 3, those skilled in the art can rationally be provided with the width of this mounting groove 311, and the diameter of the installation nut 9 of this width and pole to be measured is adapted.
In order to fix this pressure test device 6, make its value that can accurately measure pressure, this bracing frame main body 31 also is provided with a stop means that is used for fixing this pressure test device 6 (figure does not show).
With reference to figure 4 and Fig. 5, this pressure-producing part can adopt following structure: one is positioned at the fixture 4 on these connecting portion 32 tops one end of this bracing frame main body 31 (promptly away from), and this fixture 4 has internal thread; The threaded hole that one revolving part 5 that is threaded with this fixture 4, an end of this revolving part 5 pass this fixture 4 stretches into the hollow space 321 of this connecting portion 32; The end that this revolving part 5 stretches into the hollow space 321 of this connecting portion 32 contacts with this pressure test device 6.Preferably, in order to make the pressure test device 6 stressed test errors that evenly reduce, the end that this revolving part 5 stretches into the hollow space 321 of this connecting portion 32 is connected with a buffer unit 7, and the described end of this revolving part 5 contacts with this pressure test device 6 by this buffer unit 7.
With reference to figure 5, preferably, the inwall of this connecting portion 32 has gathering sill 322, and this gathering sill 322 is used to limit this buffer unit 7 moving at the hollow space 321 of this connecting portion 32.More preferably, can adopt two gathering sills 322 of symmetry.
Specifically, this fixture 4 is a nut.More specifically, this revolving part 5 is a bolt.
Comparatively commonly used, this pressure test device is a pressure transducer.Wherein, this pressure test device comprises the pressure display instrument table that links to each other with this pressure transducer, and the tester judges test condition from the pressure display instrument table.
Wherein, this bracing frame main body 31 is a rectangle, and preferably, the aperture of the tie rod hole 312 at these bracing frame main body 31 middle parts is less than the aperture of the hollow space 321 of this connecting portion 32.
Referring to figs. 2 to Fig. 6, when pole is pressurizeed, will pressurize after the pressue device of test pole loop resistance described in the utility model and the pole assembling, specific as follows:
The tie rod hole 312 at bracing frame main body 31 middle parts of the pressue device of test pole loop resistance is aimed at the pull bar 2 of pole, in pull bar 2 patchholes 312, with reference to figure 6, the pressue device that the erection bolt 8 that adopts two pieces of installation nuts 9 with pole to match by mounting groove 311 will be tested the pole loop resistance is fixed on the pole 1, and pressure test device 6 contacts with the pull bar 2 of this pole at this moment.Instruments such as employing spanner make revolving part 5 rotations, and revolving part 5 apply certain pressure can for pressure test device 6, and the tester can be known current test condition from the pressure display instrument table of pressure test device.In order to make the applied pressure even action, can buffer unit 7 be set at an end of revolving part 5, for example a buffer stopper.Specifically, if adopt nuts and bolt as fixture 4 and revolving part 5 respectively, then swivel bolt makes bolt promote buffer unit in the precession process and pressure transducer is pressed to the pole pull bar, and reads force value from the pressure display instrument table.
Wherein, those skilled in the art can select pore size, buffer unit and the suitable pressure test device of the tie rod hole at bracing frame main body 31 middle parts according to actual needs.
Though more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.
Claims (9)
1. pressue device of testing the pole loop resistance is characterized in that it comprises:
One is used for and bracing frame that pole to be measured is fixing, and this bracing frame bottom has one and is used for the tie rod hole that the pull bar for pole to be measured passes;
One is positioned at the pressure test device of a side of this tie rod hole;
One is used for pressure-producing part that this pressure test device is exerted pressure, and this pressure-producing part and this pressure test device are away from a side contacts of this tie rod hole.
2. the pressue device of test pole loop resistance as claimed in claim 1, it is characterized in that, this bracing frame comprises a bracing frame main body and an a junction, the two ends of this bracing frame main body have be used for pole to be measured on the fixing mounting groove of nut, this connecting portion has a hollow space, this hollow space is connected with this tie rod hole, and an end of this pressure test device is arranged in this hollow space.
3. the pressue device of test pole loop resistance as claimed in claim 2 is characterized in that, the bottom of this bracing frame main body also is provided with a stop means that is used for fixing this pressure test device.
4. the pressue device of test pole loop resistance as claimed in claim 2, it is characterized in that, this pressure-producing part is a revolving part, the pressue device of this test pole loop resistance also comprises a fixture that is connected with connecting portion, and wherein an end of this revolving part threaded hole that passes fixture contacts with this pressure test device.
5. the pressue device of test pole loop resistance as claimed in claim 4 is characterized in that, this pressue device also comprises a buffer unit between this pressure test device and this revolving part.
6. the pressue device of test pole loop resistance as claimed in claim 5 is characterized in that, the inwall of this connecting portion has and is used to limit the gathering sill that move of this buffer unit at the hollow space of this connecting portion.
7. as the pressue device of any described test pole loop resistance of claim 4-6, it is characterized in that this fixture is a nut block, this revolving part is a bolt.
8. as the pressue device of any described test pole loop resistance of claim 1-6, it is characterized in that this pressure test device is a pressure transducer.
9. the pressue device of test pole loop resistance as claimed in claim 8 is characterized in that, this pressure test device comprises a pressure display instrument table that links to each other with this pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205392425U CN201812007U (en) | 2010-09-21 | 2010-09-21 | Pressurizing device for testing loop resistance of embedded pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205392425U CN201812007U (en) | 2010-09-21 | 2010-09-21 | Pressurizing device for testing loop resistance of embedded pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812007U true CN201812007U (en) | 2011-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205392425U Expired - Lifetime CN201812007U (en) | 2010-09-21 | 2010-09-21 | Pressurizing device for testing loop resistance of embedded pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201812007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043103A (en) * | 2010-09-21 | 2011-05-04 | 上海雷博司电器有限公司 | Pressure device for testing loop resistance of sealed pole |
| CN109596887A (en) * | 2018-12-10 | 2019-04-09 | 河南平高通用电气有限公司 | A kind of pole loop resistance test tool |
-
2010
- 2010-09-21 CN CN2010205392425U patent/CN201812007U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043103A (en) * | 2010-09-21 | 2011-05-04 | 上海雷博司电器有限公司 | Pressure device for testing loop resistance of sealed pole |
| CN109596887A (en) * | 2018-12-10 | 2019-04-09 | 河南平高通用电气有限公司 | A kind of pole loop resistance test tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI ROX ELECTRIC CO., LTD. Free format text: FORMER NAME: SHANGHAI ROX ELECTRIC APPLIANCE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 201807 No. 4898, Shuang Zhu Road, Shanghai, Jiading District Patentee after: Shanghai Rox Electric Co., Ltd. Address before: 201800 A121 workshop, No. 925, Yecheng Road, Jiading Industrial Zone, Shanghai, Jiading District Patentee before: Shanghai ROX Electric Appliance Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 201807 No. 4899, Shuang Zhu Road, Shanghai, Jiading District Patentee after: Shanghai Rox Electric Co., Ltd. Address before: 201807 No. 4898, Shuang Zhu Road, Shanghai, Jiading District Patentee before: Shanghai Rox Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110427 |