CN107907740A - A kind of insulation resistance meter - Google Patents
A kind of insulation resistance meter Download PDFInfo
- Publication number
- CN107907740A CN107907740A CN201711097423.XA CN201711097423A CN107907740A CN 107907740 A CN107907740 A CN 107907740A CN 201711097423 A CN201711097423 A CN 201711097423A CN 107907740 A CN107907740 A CN 107907740A
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- China
- Prior art keywords
- gear
- resistance meter
- insulation resistance
- connector
- plectrum
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses a kind of insulation resistance meter, including insulation box, mechanical insulation resistance meter is provided with the insulation box, motor and battery, the mechanical insulation resistance meter is connected with shaft, first gear is arranged with the shaft, protrusion is axially provided with the shaft, the inner wall of the first gear is provided with the card slot with male cooperation, handle is equipped with the insulation box, the second gear coordinated with first gear is provided with handle, the power output end of the motor is connected with the 3rd gear, further include the 4th gear coordinated with the 3rd gear, connected between the first gear and the 4th gear by connector, further include plectrum, the plectrum is connected by connecting rod with connector, by mobile plectrum first gear can be promoted to be slided in shaft.Insulation resistance meter of the present invention put can long-time service at the scene, can automatically, manual operation, it is easy to operate.
Description
Technical field
The present invention relates to electrical equipment technical field, and in particular to a kind of insulation resistance meter.
Background technology
At present, with the development of the society, electric system becomes increasingly complex, corresponding secondary circuit is more and more, insulated electro
The measurement work of resistance is also more and more heavier, and the insulation measurement in present circuit is often with tradition machinery formula insulation resistance meter and numeral
Formula insulation resistance meter.Rotating speed is controlled tradition machinery formula insulation resistance meter manually by user when in use, and accuracy is not high, secondly
Using extremely inconvenient in adverse circumstances；Digital insulation resistance meter is produced by self-contained battery as power supply through DC/DC conversion
High direct voltage, and many secondary circuits in scene are ac circuits, measurement has certain deviation, is secondly produced by DC/DC conversion straight
It is very fast to flow high-tension battery consumption, is unfavorable for outdoor long-term operation.
The content of the invention
It is an object of the invention to provide a kind of insulation resistance meter, insulation resistance meter of the present invention is put can be long-term at the scene
Use, it is easy to operate.
The present invention is achieved through the following technical solutions：
A kind of insulation resistance meter, including insulation box, are provided with mechanical insulation resistance meter, motor in the insulation box
And battery, the mechanical insulation resistance meter are connected with shaft, be arranged with first gear in the shaft, in the shaft along
Protrusion axially is provided with, the inner wall of the first gear is provided with the card slot with male cooperation, is equipped with the insulation box
Handle, the second gear coordinated with first gear is provided with handle, and the power output end of the motor is connected with the 3rd gear,
The 4th gear coordinated with the 3rd gear is further included, is connected by connector between the first gear and the 4th gear, also wrapped
Plectrum is included, the plectrum is connected by connecting rod with connector, by mobile plectrum first gear can be promoted to be slided in shaft.
Insulation box of the present invention is hollow structure, and opening is provided with insulation box to be emerging in switching plectrum
, there is aperture in outside in side, can extend to handle outside babinet；The mechanical insulation resistance meter can be free voltage grade
Mechanical insulation resistance meter, it is preferable that the shaft of the mechanical insulation resistance meter is fixed on above-mentioned insulation box, reduces shaft
Rocking in rotation process.
The operation principle of the present invention：
User need to such as be driven by motor, switching plectrum can be slided into automated location, i.e., plectrum is moved to right end so that the
Three gears are engaged with the 4th gear, and first gear departs from second gear, open the switch button of control motor, and motor works,
3rd gear rotates and then drives the 4th gear to rotate, due to being connected between first gear and the 4th gear by connector, i.e.,
First gear can be rotated synchronously with the 4th gear, since first gear and shaft are coordinated by raised and card slot, realize shaft
Rotated synchronously with first gear, finally realize that mechanical insulation resistance meter rotates；As when battery capacity is low or needs manual actuation,
Switching plectrum can be slided manual position, i.e., plectrum is moved to left end so that the 3rd gear and the 4th gear depart from, the first tooth
Wheel is engaged with second gear, realizes that second gear drives first gear to rotate by rotational handle.
The achievable motor drive machinery formula insulation resistance meter of the present invention rotates, and also can realize manual actuation by rotational handle
Mechanical insulation resistance meter rotates, and promotes first gear to horizontally slip in shaft by mobile plectrum and realizes automatically and manually
Adjust, insulation resistance meter of the present invention put can long-time service at the scene, it is easy to operate.
Further, housing is provided with insulation box, the battery is arranged in housing.
Further, connector one end is fixedly connected with first gear, the other end and the 4th gear detachable connection, institute
State the 4th gear to be set in the fixing axle being arranged on housing, the 4th gear can be rotated around fixing axle.
The connector can be tubular structure.
By connector be arranged to the 4th gear detachable connection, when plectrum is pushed to manual gear, first gear with
4th gear departs from, laborsaving when being conducive to rotate manually, and when plectrum is pushed to automatic catch, first gear connects with the 4th gear
Connect, realize and rotate synchronously, and then realize that motor drive machinery formula insulation resistance meter rotates.
Further, the end of connector is evenly arranged with multiple first card slots, and annular is provided with the 4th gear
Protrusion, be provided with the annular protrusion coordinate with the first card slot it is first raised.
First protrusion realizes detachable connection with the first card slot by interference fit.
Further, the end set of connector has arc convex, is provided with the 4th gear and matches somebody with somebody with arc convex
The arc groove of conjunction, the arc convex can be embedded in arc groove.
The arc convex realizes detachable connection with arc groove by interference fit.
Further, it is fixedly connected between first gear and the 4th gear by connector, the connector is sleeve knot
Structure, the shaft sequentially pass through first gear, connector and the 4th gear, and the inner wall of the 4th gear is provided with matches somebody with somebody with protrusion
The card slot of conjunction.
First gear and the 4th tooth can be realized by being fixedly connected between the first gear and the 4th gear by connector
The synchronous rotation of wheel.
Further, arc groove is symmetrically arranged with 2 symmetrical sides of card slot, the arc groove justifies structure, institute for 3/4
State and sponge ball is provided with arc groove, lubricating oil is filled with the sponge ball.
The 3/4 circle structure is specifically referred in terms of the cross section of arc groove, and sponge ball is made of sponge, the sponge ball
Some protrudes from arc groove, when rotated, there is relative motion between raised and card slot, can cause to rub in the axial direction of card slot
Wear wound.
The present invention sets sponge ball in arc groove, can effectively reduce frictionally damage, improve tooth by setting arc groove
The service life of wheel, by filling lubricating oil in sponge ball, frictional resistance can be lowered, further reduce frictionally damage.
Further, first gear is both provided with the oil inlet passage connected with arc groove with the 4th gear.
It is sponge ball make-up oil at any time that the setting of the oil inlet passage, which can have,.
Further, first gear and second gear bevel gear, the 3rd gear and the 4th gear are spur gear；It is described
The instrument board being connected with mechanical insulation resistance meter is provided with insulation box, be additionally provided with the insulation box switch by
Button.
Further, limiting slot is provided with insulation box, the plectrum is arranged in limiting slot, the plectrum by from
One end of limiting slot moves on to the other end and realizes manual, automatic switchover.
Specifically, the both ends of the limiting slot are just the positions of manual gear, automatic catch, i.e., when plectrum is promoted in limiting slot
High order end when, first gear is engaged with second gear, and the 3rd gear and the 4th gear depart from, when plectrum is promoted in limiting slot
During low order end, first gear departs from second gear, and the 3rd gear is engaged with the 4th gear.
Plectrum quickly can be pushed to designated position, accurate difference by the setting of the limiting slot.
The achievable motor drive machinery formula insulation resistance meter of the present invention rotates, and also can realize manual actuation by rotational handle
Mechanical insulation resistance meter rotates, and promotes first gear to horizontally slip in shaft by mobile plectrum and realizes automatically and manually
Adjust, insulation resistance meter of the present invention put can long-time service at the scene, it is easy to operate.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structure diagram of insulation resistance meter；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structure diagram of first gear or the 4th gear；
Fig. 4 is the structure diagram one of connector；
Fig. 5 is the structure diagram one of the 4th gear；
Fig. 6 is the structure diagram two of connector；
Fig. 7 is the structure diagram two of the 4th gear.
Mark and corresponding parts title in attached drawing：
1- insulation boxes, the mechanical insulation resistance meters of 2-, 3- shafts, 4- second gears, 5- first gears, the 4th teeth of 6-
Wheel, the 3rd gears of 7-, 8- connectors, 9- plectrums, 10- motors, 11- housings, 12- batteries, 13- handles, 14- instrument boards, 15- are opened
Button is closed, 16- card slots, 17- sponge balls, 18- oil inlet passages, the first card slots of 19-, 20- annular protrusions, 21- first is raised, 22-
Arc convex, 23- arc grooves, 24- limiting slots.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1：
As shown in Figure 1, Figure 2, Fig. 4, with shown in 5, a kind of insulation resistance meter, including insulation box 1, sets in the insulation box 1
Mechanical insulation resistance meter 2, motor 10 and battery 12 are equipped with, the mechanical insulation resistance meter 2 is connected with shaft 3, described turn
First gear 5 is arranged with axis 3, protrusion is axially provided with the shaft 3, the inner wall of the first gear 5 is provided with
With the card slot 16 of male cooperation, handle 13 is equipped with the insulation box 1, is provided with handle 13 and coordinates with first gear 5
Second gear 4, the power output end of the motor 10 is connected with the 3rd gear 7, further includes the 4th coordinated with the 3rd gear 7
Gear 6, is connected by connector 8 between 5 and the 4th gear 6 of first gear, described 8 one end of connector and first gear 5
It is fixedly connected, other end end is evenly arranged with multiple first card slots 19, and annular protrusion 20 is provided with the 4th gear 6,
The first protrusion 21 coordinated with the first card slot 19 is provided with the annular protrusion 20, the 4th gear 6, which is set in, to be arranged on
In fixing axle on housing 11, the 4th gear 6 can be rotated around fixing axle, and housing 11 is provided with the insulation box 1,
The battery 12 is arranged in housing 11, further includes plectrum 9, and the plectrum 9 is connected by connecting rod with connector 8, passes through movement
Plectrum 9 can promote first gear 5 to be slided in shaft 3；4 bevel gear of the first gear 5 and second gear, the 3rd tooth
7 and the 4th gear 6 of wheel is spur gear；The instrument board being connected with mechanical insulation resistance meter 2 is provided with the insulation box 1
14, switch button 15 is additionally provided with the insulation box 1, and the motor 10 is constant speed direct-flow small motor, and the battery 12 is set
2 pieces are equipped with, the battery 12 is 9V dc-batteries, and mechanical 2 rotating speed of insulation resistance meter is fixed as 120 rpms.
Embodiment 2：
As shown in Figure 1, Figure 2, Fig. 6, with 7 shown in, the present embodiment is based on embodiment 1, with embodiment 1 difference lies in：The company
8 one end of fitting is fixedly connected with first gear 5, and other end end set has arc convex 22, is provided with the 4th gear 6
The arc groove 23 coordinated with arc convex 22, the arc convex 22 can be embedded in arc groove 23.
Embodiment 3：
As shown in Figure 1 and Figure 2, a kind of insulation resistance meter, including insulation box 1, are provided with machinery in the insulation box 1
Formula insulation resistance meter 2, motor 10 and battery 12, the mechanical insulation resistance meter 2 are connected with shaft 3, are arranged in the shaft 3
There is first gear 5, protrusion is axially provided with the shaft 3, the inner wall of the first gear 5 is provided with and male cooperation
Card slot 16, be equipped with handle 13 on the insulation box 1, the second gear coordinated with first gear 5 be provided with handle 13
4, the power output end of the motor 10 is connected with the 3rd gear 7, further includes the 4th gear 6 coordinated with the 3rd gear 7, institute of institute
State and be fixedly connected between first gear 5 and the 4th gear 6 by connector 8, the connector 8 is tube-in-tube structure, the shaft 3
First gear 5,8 and the 4th gear 6 of connector are sequentially passed through, the inner wall of the 4th gear 6 is provided with the card with male cooperation
Groove 16, is provided with housing 11 in the insulation box 1, and the battery 12 is arranged in housing 11, and the shaft 3 is inserted into housing 11
Side wall, further includes plectrum 9, and the plectrum 9 is connected by connecting rod with connector 8, and first gear can be promoted by mobile plectrum 9
5 and the 4th gear 6 slided in shaft 3；4 bevel gear of the first gear 5 and second gear, the 3rd gear 7 and the 4th
Gear 6 is spur gear；The instrument board 14 being connected with mechanical insulation resistance meter 2, the insulation are provided with the insulation box 1
Switch button 15 is additionally provided with babinet 1；The motor 10 is constant speed direct-flow small motor, and the battery 12 is provided with 2 pieces, described
Battery 12 is 9V dc-batteries, and mechanical 2 rotating speed of insulation resistance meter is fixed as 120 rpms.
Embodiment 4：
As shown in Figure 1 to Figure 3, it is symmetrical to any one of embodiment 3,2 of the card slot 16 to be based on embodiment 1 for the present embodiment
Arc groove is symmetrically arranged with side wall, the arc groove is 3/4 circle structure, and sponge ball 17 is provided with the arc groove, described
Lubricating oil is filled with sponge ball 17；The first gear 5 is led to being both provided with the oil inlet connected with arc groove on the 4th gear 6
Road 18.
Embodiment 5：
As shown in Fig. 2, the present embodiment is set limited based on any one of embodiment 1 to embodiment 3 on the insulation box 1
Position groove 24, the plectrum 9 are arranged in limiting slot 24, and the plectrum 9 is realized by moving on to the other end from one end of limiting slot 24
Manually, automatically switch.
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect further
Describe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of insulation resistance meter, it is characterised in that including insulation box (1), be provided with the insulation box (1) mechanical
Insulation resistance meter (2), motor (10) and battery (12), the mechanical insulation resistance meter (2) are connected with shaft (3), described turn
First gear (5) is arranged with axis (3), is axially provided with protrusion on the shaft (3), the first gear (5) it is interior
Wall be provided with the card slot of male cooperation (16), be equipped with handle (13) on the insulation box (1), handle is provided with (13)
The second gear (4) coordinated with first gear (5), the power output end of the motor (10) are connected with the 3rd gear (7), also wrap
The 4th gear (6) coordinated with the 3rd gear (7) is included, passes through connector between the first gear (5) and the 4th gear (6)
(8) connect, further include plectrum (9), the plectrum (9) is connected by connecting rod with connector (8), can by mobile plectrum (9)
First gear (5) is promoted to be slided in shaft (3).
2. a kind of insulation resistance meter according to claim 1, it is characterised in that be provided with shell in the insulation box (1)
Body (11), the battery (12) are arranged in housing (11).
3. a kind of insulation resistance meter according to claim 2, it is characterised in that described connector (8) one end and the first tooth
Wheel (5) is fixedly connected, and the other end and the 4th gear (6) detachable connection, the 4th gear (6), which is set in, is arranged on housing
(11) in the fixing axle on, the 4th gear (6) can rotate around fixing axle.
4. a kind of insulation resistance meter according to claim 3, it is characterised in that the end of the connector (8) is uniformly set
Multiple first card slots (19) are equipped with, annular protrusion (20) is provided with the 4th gear (6), is set on the annular protrusion (20)
It is equipped with first raised (21) coordinated with the first card slot (19).
5. a kind of insulation resistance meter according to claim 3, it is characterised in that the end set of the connector (8) has
Arc convex (22), the arc groove (23) coordinated with arc convex (22), the arc are provided with the 4th gear (6)
Raised (22) can be embedded in arc groove (23).
6. a kind of insulation resistance meter according to claim 1, it is characterised in that the first gear (5) and the 4th gear
(6) it is fixedly connected between by connector (8), the connector (8) is tube-in-tube structure, and the shaft (3) sequentially passes through first
Gear (5), connector (8) and the 4th gear (6), the inner wall of the 4th gear (6) are provided with the card slot with male cooperation
(16)。
A kind of 7. insulation resistance meter according to claim 1, it is characterised in that 2 symmetrical sides of the card slot (16)
On be symmetrically arranged with arc groove, the arc groove is 3/4 circle structure, and sponge ball (17), the sea are provided with the arc groove
Lubricating oil is filled with silk tops (17).
8. a kind of insulation resistance meter according to claim 7, it is characterised in that the first gear (5) and the 4th gear
(6) oil inlet passage (18) connected with arc groove is both provided with.
9. a kind of insulation resistance meter according to claim 1, it is characterised in that the first gear (5) and second gear
(4) bevel gear, the 3rd gear (7) and the 4th gear (6) are spur gear；It is provided with the insulation box (1) and machinery
The instrument board (14) of formula insulation resistance meter (2) connection, is additionally provided with switch button (15) on the insulation box (1).
10. a kind of insulation resistance meter according to claim 1, it is characterised in that set on the insulation box (1) limited
Position groove (24), the plectrum (9) are arranged in limiting slot (24), and the plectrum (9) from one end of limiting slot (24) by moving on to
The other end realizes manual, automatic switchover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711097423.XA CN107907740B (en) | 2017-11-09 | 2017-11-09 | Insulation resistance meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711097423.XA CN107907740B (en) | 2017-11-09 | 2017-11-09 | Insulation resistance meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107907740A true CN107907740A (en) | 2018-04-13 |
| CN107907740B CN107907740B (en) | 2020-08-18 |
Family
ID=61844543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711097423.XA Active CN107907740B (en) | 2017-11-09 | 2017-11-09 | Insulation resistance meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107907740B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201740818U (en) * | 2010-07-27 | 2011-02-09 | 山东省电力学校 | Hand generation rechargeable megohmmeter |
| CN202600052U (en) * | 2012-05-23 | 2012-12-12 | 山东电力集团公司潍坊供电公司 | Electric speed-regulating mega-ohm meter |
| CN202903888U (en) * | 2012-10-30 | 2013-04-24 | 长沙海赛电装科技股份有限公司 | Full-automatic digital megohmmeter |
| CN203433043U (en) * | 2013-07-31 | 2014-02-12 | 国家电网公司 | Megger improved structure |
| CN203759126U (en) * | 2014-03-27 | 2014-08-06 | 国网山东夏津县供电公司 | Remote-control wireless visual insulation resistance tester |
| CN204462254U (en) * | 2015-03-16 | 2015-07-08 | 贵州长征中压开关设备有限公司 | A kind of pole detection megohmmeter |
| CN205427046U (en) * | 2016-03-12 | 2016-08-03 | 国家电网公司 | Insulating resistor tester |
| CN106226634A (en) * | 2016-08-12 | 2016-12-14 | 杭州全盛机电科技有限公司 | The multichannel insulation automatic checkout equipment of conducting slip ring and detection method thereof |
| CN206248728U (en) * | 2016-12-08 | 2017-06-13 | 山西科建工程检测研究院 | Electric speed regulation insulation resistance meter |
-
2017
- 2017-11-09 CN CN201711097423.XA patent/CN107907740B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201740818U (en) * | 2010-07-27 | 2011-02-09 | 山东省电力学校 | Hand generation rechargeable megohmmeter |
| CN202600052U (en) * | 2012-05-23 | 2012-12-12 | 山东电力集团公司潍坊供电公司 | Electric speed-regulating mega-ohm meter |
| CN202903888U (en) * | 2012-10-30 | 2013-04-24 | 长沙海赛电装科技股份有限公司 | Full-automatic digital megohmmeter |
| CN203433043U (en) * | 2013-07-31 | 2014-02-12 | 国家电网公司 | Megger improved structure |
| CN203759126U (en) * | 2014-03-27 | 2014-08-06 | 国网山东夏津县供电公司 | Remote-control wireless visual insulation resistance tester |
| CN204462254U (en) * | 2015-03-16 | 2015-07-08 | 贵州长征中压开关设备有限公司 | A kind of pole detection megohmmeter |
| CN205427046U (en) * | 2016-03-12 | 2016-08-03 | 国家电网公司 | Insulating resistor tester |
| CN106226634A (en) * | 2016-08-12 | 2016-12-14 | 杭州全盛机电科技有限公司 | The multichannel insulation automatic checkout equipment of conducting slip ring and detection method thereof |
| CN206248728U (en) * | 2016-12-08 | 2017-06-13 | 山西科建工程检测研究院 | Electric speed regulation insulation resistance meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107907740B (en) | 2020-08-18 |
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