CN202886557U - Mechanical-performance test apparatus for low-voltage switch device - Google Patents
Mechanical-performance test apparatus for low-voltage switch device Download PDFInfo
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- CN202886557U CN202886557U CN201220422469.0U CN201220422469U CN202886557U CN 202886557 U CN202886557 U CN 202886557U CN 201220422469 U CN201220422469 U CN 201220422469U CN 202886557 U CN202886557 U CN 202886557U
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Abstract
The utility model discloses a mechanical-performance test apparatus for a low-voltage switch device and the mechanical-performance test apparatus comprises a test bench, a slide rail, and a test object consisting of a test object seat and a moving contact assembly of an isolation switch. A reciprocating transmission circulating system and a self-regulating motion direction system are arranged between the test bench and the test object. The reciprocating transmission circulating system comprises a triangular adjusting rack, a cylinder support, a cylinder body, a cylinder rod, a cylinder rod connector, a fixed plate, a sheath and a hollow mandrel-group handle rod, wherein the triangular adjusting rack, the cylinder support, the cylinder body, the cylinder rod, the cylinder rod connector, the fixed plate, the sheath and the hollow mandrel-group handle rod are arranged on the test bench. The self-regulating motion direction system is connected with a moving contact body of the isolation switch and the test object seat through the handle rod, so that linear reciprocating movement of the cylinder rod is converted to an arc swing closed movement of the moving contact assembly of the isolation switch around an axis of the test object seat. The test apparatus provided by the utility model not only can carry out zero-load and load operation circulating-frequency test tasks of a single RDH 3-63 isolation switch, but also can be used for batch detection of the electric appliance and batch test of industrial production after the test apparatus is manufactured in parallel.
Description
Technical field
The utility model relates to a kind of proving installation of low voltage switch equipment, specifically belongs to a kind of single-power self-regulated direction of motion circulation test device.
Background technology
Participate in IEC from Chinese relevant departments and organize, the more product standard of China begins to introduce, transform its standard.According to the actual conditions of China, be respectively be equal to use, equivalence is used, is consulted and used.
Present GB14048.3 " low voltage switch equipment and opertaing device the 3rd part: switch, isolator, disconnector and fuse combined electric apparatus " is equal to use IEC609473 " Low-voltage switchgear and controlgear-Part3:Switches, disconnectors, switch-disconnectors and Fuse-combination units " standard. this manufacturer's standard that shows this type of electric equipment of China is consistent with the world, carries out same requirement.
In the appliance applications field, the use face of Switch equipment is very wide.Different high-low pressure disconnectores is the matured product that uses for many years.Along with the progress of society, the innovation of science and technology, the improvement of this type of matured product, so that ground-breaking new design is still in development.Model is the disconnector of RDH3-63, and increasing handle rod at disconnector moving contact assembly is exactly a newly-designed examples of many successful of electric equipment products.This handle rod has guaranteed that disconnector under disengaged condition, is in reliable safety locking.
7.2.4.2 bar among the GB14048.3: the table 4 verification operation performance of operating performance-corresponding to the operation cycle number of times (IEC60947-37.2.4.2Operational performance Table4-Verification of operational performance-Number of operationg cycles corresponding to the rated operational current) of rated operational current, to the relation of rated current and operation cycle number of times, made clear and definite correspondence regulation.
Corresponding above-mentioned unloaded and the operation cycle number of times of carrying arranged, the mode of its test actuator (IEC6094738.2.5.2Method of test:Figure1-Actuator applied force F) that test method: Fig. 1 is applied in power F in the .8.2.5.2 bar in GB14048.3 has also been made clear and definite regulation in standard.To stressed, motion of the present invention, played good suggesting effect.
According to the regulation of above-mentioned standard, there is very perfect proving installation in the laboratory.That is: according to the difformity of equipment operating handle, be furnished with different extension clamping bars, under the effect of backward double-acting power movement in a curve device, carry out respectively the switching test, true with warranty test, data are reliable.
For newly-designed low voltage switch equipment, increase the rigidity handle rod such as the moving contact component that in model is the RDH3-63 disconnector, before the IECEE-CB system not yet has the corresponding CTL resolution (Committee of Testing Laboratories Decision Sheets) of solution to announce, the just laboratory of third party still will without prejudice to and satisfy the regulation of GB14048.3/IEC60947-3 standard, method, under requiring, various new products are detected.
For the design update of this series products, production plant can design, make specialized equipment from angle in batches, and the test unit design can be carried out from the angle of test in the laboratory that the third party is just, makes.The result who satisfies separately standard is consistent, but the cost that drops into is different.
Publication number is China's invention " a kind of micro computer disconnector mechanical performance testing apparatus " of CN1410852A, guaranteeing measuring accuracy, reduce testing cost, reduce Operating Complexity, increase to measure the function aspects of isolating switch spring number of times, the test of similar low voltage equipment has rationally been played good guiding effect.This invention not yet relates to increase on the movable contact unit of disconnector how to guarantee that the GB14048.3/IEC60947-3 standard still can useful effect behind the rigidity handle rod; This invention is to utilize the photoelectricity isolation in principle, make external signal enter safely PC, rely on auxiliary reclay to realize that pure Microcomputer detects, the realization isolating switch " deciliter-divide-close " circulation, not yet relate to the simple physical construction of dependence and realize " oco-close " function.Aspect the just laboratory of third party, for the relevant item test of similar RDH3-63 disconnector, demand design, low cost of manufacture urgently, effective, meet the isolated plant of standard code, can be the test service.Do just assessment with the technology barriers that new product entered application market.
Summary of the invention
The purpose of this utility model is: provide a kind of compact conformation reasonable, with low cost, low voltage switch equipment mechanical performance tester such as Fig. 1 easy to use, this device is in participating in process of the test, can be automatically the rectilinear motion of cylinder rod be added that the non-rectilinear regular movement of handle rod synthesizes the required circular motion of test, correctly carry out according to standard with its mechanical test of test product of the handle rod that increases on the moving contact component that guarantees similar RDH3-63 disconnector.
The technical solution of the utility model is: a kind of low voltage switch equipment mechanical performance tester, comprise testing table, slide rail, the test product that is formed by specimen holder and disconnector moving contact component, described testing table, be provided with the transmission circulation system and the self-regulated direction of motion system of coming and going between the test product, the described round transmission circulation system is by the triangular form adjustment rack that is installed on the testing table, the cylinder support, cylinder block, cylinder rod, the cylinder rod connector, stator, sheath, the hollow core shaft group, handle rod forms, described self-regulated direction of motion system is by handle rod and disconnector moving contact component, specimen holder connects, and the straight line back and forth movement that forms by cylinder rod is converted into the disconnector moving contact component around the arc swinging sealing motion in specimen holder axle center.
Further technical scheme of the present utility model is: a kind of low voltage switch equipment mechanical performance tester, comprise testing table, slide rail, the test product that is formed by specimen holder and disconnector moving contact component, described testing table, be provided with the transmission circulation system and the self-regulated direction of motion system of coming and going between the test product, the described round transmission circulation system is by the triangular form adjustment rack that is installed on the testing table, the cylinder support, cylinder block, cylinder rod, the cylinder rod connector, stator, sheath, hollow core shaft group handle rod forms, described self-regulated direction of motion system is by handle rod and disconnector moving contact component, specimen holder connects, and the straight line back and forth movement that forms by cylinder rod is converted into the disconnector moving contact component around the arc swinging sealing motion in specimen holder axle center.Have special-shaped through hole on the stator of described test unit, the hollow core shaft group drives handle rod and be controlled non-rectilinear regular movement in this special-shaped through hole, and the non-rectilinear regular movement of handle rod drives the disconnector moving contact component and does the arc swinging motion around the specimen holder axle center.
More detailed technology scheme of the present utility model is: a kind of low voltage switch equipment mechanical performance tester, comprise testing table, slide rail, the test product that is formed by specimen holder and disconnector moving contact component, described testing table, be provided with the transmission circulation system and the self-regulated direction of motion system of coming and going between the test product, the described round transmission circulation system is by the triangular form adjustment rack that is installed on the testing table, the cylinder support, cylinder block, cylinder rod, the cylinder rod connector, stator, sheath, the hollow core shaft group, handle rod forms, described self-regulated direction of motion system is by handle rod and disconnector moving contact component, specimen holder connects, and the straight line back and forth movement that forms by cylinder rod is converted into the disconnector moving contact component around the arc swinging sealing motion in specimen holder axle center.The hollow core shaft group of described test unit forms full circle spare by several arcuate members, and the hollow core shaft group that this full circle spare forms is locked when mounted by sheath, and guarantee to belong to the part of test product: handle rod participates in the test unit.This scheme is partly carried out organic connection with the part of test product as testing equipment cleverly, guarantees success of the test.
The utility model has the advantages that:
1. in strict electric equipment products field tests, newly design for the electric equipment products that exceed the standard code pattern, when existing testing apparatus can't correctly rationally be tested, the just testing laboratory of third party must carry out breakthrough design to this type of new product, and is still effective with the clause of guaranteeing act.std.Composition test unit of the present utility model has effectively carried out meeting the test of standard GB14048.3/IEC60947-3 relevant provision.
2. have special-shaped through hole on the employed stator of the utility model, by the curve of this abnormity through hole being carried out the regulation and control of design and manufacture, so that driving the rectilinear motion carry out by cylinder rod, this stator is converted into the on-rectilinear movement that handle rod in stator can be simulated the staff push-and-pull, drive the disconnector moving contact component and do oscillating motion around self specimen holder axle center, finish the mechanical test purpose of this series products.
3. the employed hollow core shaft of the utility model is comprised of several arcuate members, cleverly the part of test product is partly carried out organic connection as testing equipment, guarantees success of the test.
Description of drawings
Below in conjunction with accompanying drawing and the numbering the invention will be further described:
Fig. 1 is low voltage switch equipment mechanical performance tester reduced graph of the present utility model (wherein: Fig. 1-the 1/2nd, axonometric drawing, Fig. 1-2/2nd, the local front elevation that amplifies);
Fig. 2 is the structural representation of the utility model chief component spare; Wherein: 1 is testing table; 2 is that slide rail, 3 is specimen holder; 4 is the specimen holder axle center; 5 is the disconnector moving contact component; 6 is handle rod; 7 is stator; 8 is the hollow core shaft group; 9 is sheath; 10 is the cylinder rod connector; 11 is cylinder rod; 12 is cylinder block 12; 13 is the cylinder support; 14 is the triangular form adjustment rack; (wherein: specimen holder 3, disconnector moving contact component 5, handle rod 6 these threes' set is independently test product of monomer);
Fig. 3 is the local enlarged diagram of the utility model chief component spare structure and principle.
Embodiment
Embodiment: a kind of low voltage switch equipment mechanical performance tester, such as Fig. 1, Fig. 2, shown in Figure 3, comprise testing table 1, slide rail 2, the test product that is formed by specimen holder 3 and disconnector moving contact component 5, described testing table 1, test product (wherein: specimen holder 3, disconnector moving contact component 5, handle rod 6 these threes' set is independently test product of monomer) between be provided with the transmission circulation system and the self-regulated direction of motion system of coming and going, the described round transmission circulation system is by the triangular form adjustment rack 14 that is installed on the testing table, cylinder support 13, cylinder block 12, cylinder rod 11, cylinder rod connector 10, stator 7, sheath 9, hollow core shaft group 8, handle rod 6 forms, described self-regulated direction of motion system is by handle rod 6 and disconnector moving contact component 5, specimen holder 3 connects, and the straight line back and forth movement that forms by cylinder rod 11 is converted into disconnector moving contact component 5 around the arc swinging sealing motion in specimen holder axle center 4.Have special-shaped through hole on the stator 7 of this device, hollow core shaft group movement clearance between 0.1mm to 2.4mm is left on the plane in this hole in length and breadth direction, guarantee that the hollow core shaft group occurs without the dead point when driving handle rod motion commutation, the test product of foozle can both be tested about guaranteeing to allow.Guarantee that the GB14048.3/IEC60947-3 standard can all kinds of newly-designed products of all standing, guarantee that the standard that this series products is carried out is continued.According to Fig. 1, Fig. 2, shown in Figure 3, can finish assembling according to following order and also can carry out zero load and have carrying the test of operation cycle number of times to test product: at first test product (comprising the integral body that specimen holder 3, disconnector moving contact component 5, handle rod 6 form) and cylinder (comprising cylinder rod 11, cylinder block 12) be put into respectively slide rail 2 and cylinder support 13; Secondly handle rod 6 is unloaded from disconnector moving contact component 5 and penetrate in the sheath 9 after being combined in hollow core shaft group 8 on the handle rod 6 when passing stator 7; Again handle rod 6 is packed into the afterwards original position of disconnector moving contact component 5; Then with stator 7 with comprise that cylinder rod 11 is hinged fixing; Adjust respectively at last cylinder support 13 and triangular form adjustment rack 14 and be installed in advance the relative distance of 2 of slide rails on the testing table 1, it is consistent that the round operation stroke that makes this distance be fit to cylinder rod 11 satisfies disconnector moving contact component 5 when doing test closure, the off-state can be with real work the time.After above-mentioned assembling was finished, 11 motions of crawl cylinder rod after checking its solstics and the requirement of closest approach and 5 motions of disconnector moving contact component being consistent, can be carried out the metering test.
Industrial applicibility
It below only is concrete exemplary applications of the present utility model; protection domain of the present utility model is not constituted any limitation; can carry out effectively unloadedly and have the embodiment that carries the test of operation cycle number of times to the monomer test product except above-mentioned, the utility model can also have other embodiments.Can adopt in the utility model as described in " embodiment " such as: those skilled in the art; expand to being installed in parallel of several covering devices; just can carry out in batches type approval test or the delivery test of test product, this type of adopt the utility model for detection of or the industrial production test behavior all drop within the utility model scope required for protection.
Claims (3)
1. low voltage switch equipment mechanical performance tester, it is characterized in that: comprise testing table (1), slide rail (2), the test product that is formed by specimen holder (3) and disconnector moving contact component (5), described testing table, be provided with the transmission circulation system and the self-regulated direction of motion system of coming and going between the test product, the described round transmission circulation system is by the triangular form adjustment rack (14) that is installed on the testing table, cylinder support (13), cylinder block (12), cylinder rod (11), cylinder rod connector (10), stator (7), sheath (9), hollow core shaft group (8), handle rod (6) forms, described self-regulated direction of motion system is by handle rod (6) and disconnector moving contact component (5), specimen holder (3) connects, and the straight line back and forth movement that forms by cylinder rod (11) is converted into disconnector moving contact component (5) around the arc swinging sealing motion of specimen holder axle center (4).
2. a kind of low voltage switch equipment mechanical performance tester according to claim 1, it is characterized in that: the stator of described test unit has special-shaped through hole on (7), hollow core shaft group (8) drives handle rod (6) and be controlled non-rectilinear regular movement in this special-shaped through hole, and the non-rectilinear regular movement of handle rod (6) drives disconnector moving contact component (5) and does the arc swinging motion around specimen holder axle center (4).
3. a kind of low voltage switch equipment mechanical performance tester according to claim 1, it is characterized in that: the hollow core shaft group (8) of described test unit forms full circle spare by several arcuate members, the hollow core shaft group (8) that this full circle spare forms is locked when mounted by sheath (9), and guarantee to belong to the part of test product: handle rod (6) participates in the test unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220422469.0U CN202886557U (en) | 2012-08-24 | 2012-08-24 | Mechanical-performance test apparatus for low-voltage switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220422469.0U CN202886557U (en) | 2012-08-24 | 2012-08-24 | Mechanical-performance test apparatus for low-voltage switch device |
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| Publication Number | Publication Date |
|---|---|
| CN202886557U true CN202886557U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220422469.0U Expired - Lifetime CN202886557U (en) | 2012-08-24 | 2012-08-24 | Mechanical-performance test apparatus for low-voltage switch device |
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| CN (1) | CN202886557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830349A (en) * | 2012-08-24 | 2012-12-19 | 苏州电器科学研究院股份有限公司 | Mechanical performance test device for low-voltage switch equipment |
-
2012
- 2012-08-24 CN CN201220422469.0U patent/CN202886557U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830349A (en) * | 2012-08-24 | 2012-12-19 | 苏州电器科学研究院股份有限公司 | Mechanical performance test device for low-voltage switch equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
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| CX01 | Expiry of patent term |