阅读说明：本技术 焊接式电触头元件接触电阻快速测试装置及其测试方法 (Welded type electrical contact member contact resistance device for quick testing and its test method ) 是由 胡均高 申志刚 刘映飞 陈松杨 姚永锋 张彦民 程霞 吴晴飞 王东 张加林 于 2019-09-03 设计创作，主要内容包括：本发明公开了一种焊接式电触头元件接触电阻快速测试装置及其测试方法,焊接式电触头元件包括第一待测工件及第二待测工件,第一待测工件包括焊接有第一片状触头的第一导电基体,第二待测工件包括焊接有第二片状触头的第二导电基体,还包括用于固定第一待测工件的夹持机构、用于夹持第二待测工件的夹紧机构、用于将第二待测工件压在第一待测工件上的施力机构及用于测试第一待测工件与第二待测工件挤压接触时电阻阻值的电阻测试机构；电阻测试机构的一端与第一导电基体电连接,电阻测试机构的另一端与第二导电基体电连接,第一片状触头与第二片状触头相对挤压。本发明能提高焊接式电触头元件接触电阻的检测效率,具有结构简单和操作方便的特点。(The invention discloses a kind of welded type electrical contact member contact resistance device for quick testing and its test methods, welded type electrical contact member includes the first workpiece for measurement and the second workpiece for measurement, first workpiece for measurement includes the first conducting base for being welded with the first blade contact, second workpiece for measurement includes the second conducting base for being welded with the second blade contact, it further include the clamping device for fixing the first workpiece for measurement, for clamping the clamp system of the second workpiece for measurement, force application mechanism for the second workpiece for measurement to be pressed on the first workpiece for measurement and it is used to test the first workpiece for measurement and the second workpiece for measurement squeezes the resistance test mechanism of resistance when contacting；One end of resistance test mechanism is electrically connected with the first conducting base, and the other end of resistance test mechanism is electrically connected with the second conducting base, the first blade contact and the second blade contact opposing compression.The present invention can improve the detection efficiency of welded type electrical contact member contact resistance, have the characteristics that structure is simply and easy to operate.)

1. welded type electrical contact member contact resistance device for quick testing, welded type electrical contact member includes the first workpiece for measurement (1) and the second workpiece for measurement (2), first workpiece for measurement (1) include the first conducting base (38), the first conducting base (38) On be welded with the first blade contact (39), second workpiece for measurement (2) include the second conducting base (40), the second conducting base (40) the second blade contact (41) are welded on, it is characterised in that: further include the clamping machine for fixing the first workpiece for measurement (1) Structure (3), the clamp system (4) for clamp the second workpiece for measurement (2), be used to the second workpiece for measurement (2) being pressed in first it is to be measured Force application mechanism (7) on workpiece (1) and for test the first workpiece for measurement (1) and the second workpiece for measurement (2) squeeze contact when electricity Hinder the resistance test mechanism (9) of resistance value；One end of the resistance test mechanism (9) is electrically connected with the first conducting base (38), electricity The other end of resistance mechanism for testing (9) is electrically connected with the second conducting base (40), first blade contact (39) and the second sheet Electrical connection is generated while contact (41) opposing compression.

2. welded type electrical contact member contact resistance device for quick testing according to claim 1, it is characterised in that: described Clamping device (3) include fixing seat (22), be arranged fixation insulation board (23) on fixing seat (22), through fixing seat (22) with The polished rod (24) of fixed insulation board (23), setting polished rod (24) end mobile insulation board (42), be set on polished rod (24) Stop payment plate (26) and setting fixing seat (22) side handle (27)；Slide opening (43) are offered on the fixing seat (22), The polished rod (24) is slidably arranged in slide opening (43)；The side of the fixing seat (22) corresponding fixed insulation board (23) is equipped with sky Chamber (25), it is described to stop payment plate (26) setting in cavity (25)；The end of the handle (27) is equipped with and protrudes into cavity (25) Eccentric shaft (28), the eccentric shaft (28) promotion when handle (27) rotate stop payment plate (26) and block polished rod (24)；Described first Workpiece for measurement (1) setting is between fixed insulation board (23) and mobile insulation board (42).

3. welded type electrical contact member contact resistance device for quick testing according to claim 2, it is characterised in that: described It is opened up in fixing seat (22) there are two pilot hole (29), the pilot hole (29) is interior to be equipped with guide post (30), the guide post (30) Front end be connected with mobile insulation board (42).

4. welded type electrical contact member contact resistance device for quick testing according to claim 1, it is characterised in that: described Clamp system (4) includes that fixing clamp (17) and mobile folder (18), the fixing clamp (17) are equipped with sliding slot (19), the mobile folder (18) it is slidably arranged in sliding slot (19), the fixing clamp (17) is equipped with for the positive stop lug boss to mobile folder (18) limit (21)；It is equipped in the sliding slot (19) and provides the spring (20) of elastic force for mobile folder (18), one end of spring (20) is against sliding slot (19) on inner wall, the other end of spring (20) is against on the end face of mobile folder (18).

5. welded type electrical contact member contact resistance device for quick testing according to claim 1, it is characterised in that: described Force application mechanism (7) includes handle screw mechanism (5) and dynamometer (6), the handle screw mechanism (5) include mounting rack (12), The lead screw (13) and guide rod (14) that are arranged on mounting rack (12), setting lead screw (13) top handwheel (16) and and lead screw (13) sliding block (15) being threadedly coupled；The dynamometer (6) is fixed on sliding block (15), and the front end of dynamometer (6) and clamping Mechanism (3) is connected；The sliding block (15) is slidably connected with guide rod (14), and sliding block (15) drives dynamometry along the direction of guide rod (14) Meter (6) is slid.

6. welded type electrical contact member contact resistance device for quick testing according to claim 5, it is characterised in that: described Dynamometer (6) is connected through screw rod with sliding block (15).

7. welded type electrical contact member contact resistance device for quick testing according to claim 1, it is characterised in that: described Resistance test mechanism (9) includes resistance meter, and the resistance meter is equipped with the first wire clamp (10) and the second wire clamp (11), First wire clamp (10) is held on the first conducting base (38) of the first workpiece for measurement (1), and the second wire clamp (11) is held on On the second conducting base (40) of second workpiece for measurement (2).

8. welded type electrical contact member contact resistance device for quick testing according to claim 1, it is characterised in that: described The bottom of clamping device (3) is equipped with fine tuning slide unit (8), and the fine tuning slide unit (8) includes pedestal (31), Building Y (32) and Building X (33), the pedestal (31) is equipped with the first slide bar (36), and Building Y (32) are slidably connected with the first slide bar (36), and Building Y is worn on (32) End equipped with the first closely-pitched screw rod (34), and the first closely-pitched screw rod (34) is threadedly coupled with Building Y (32)；On the Building Y (32) Equipped with the second slide bar (37), Building X (33) are slidably connected with the second slide bar (37), and the second closely-pitched screw rod is equipped on Building X (33) (35), and the end of the second closely-pitched screw rod (35) is threadedly coupled with Building X (33).

9. the test side of welded type electrical contact member contact resistance device for quick testing according to claim 1-8 Method, it is characterised in that: the following steps are included:

S1, the first workpiece for measurement is fixed by clamping device, and the second workpiece for measurement is fixed by clamp system；

S2, make the second workpiece for measurement and the first workpiece for measurement or more gross alignment by regulation handle screw mechanism, then adjust micro- Slide unit is adjusted to make the second workpiece for measurement and the first workpiece for measurement up and down precisely to it；

When S3, the second workpiece for measurement and the first workpiece for measurement contact, dynamometer has force value to show, is adjusted by handle screw mechanism The size of force value is allowed to reach and tests required force value；

S4, the first wire clamp and the second wire clamp are drawn from resistance meter end, the first wire clamp and the second wire clamp is made to contact with each other then The shown resistance value being zeroed in resistance meter；

S5, resistance meter the first wire clamp be held on the first conducting base of the first workpiece for measurement, the second wire clamp is held on On second conducting base of the second workpiece for measurement, the contact resistance measured value shown on resistance meter, and and product are read The contact resistance required value of standard requirements is compared, if measured value≤required value, product contact resistance is determined as qualification, otherwise It is determined as unqualified.

Technical field

The present invention relates to detection technique field, especially a kind of welded type electrical contact member contact resistance device for quick testing And its test method.

Background technique

Contact resistance is a very crucial performance indicator of relay product, the stability and contact resistance of contact resistance Size have vital influence to the performance of relay product；In general, the contact resistance of electrical contact member is detected It needs to reuse the contact resistance of dedicated device for measuring electric resistance test product first by contact elements assembling product at relay finished product Size, such operation cycle is longer, and for parts machining class enterprise, do not have generally in factory assembling after The condition of electric appliance finished product needs to client to be completed, very inconvenient operation, and its online system cannot be monitored online in time Whether the contact resistance index for the electrical contact member made meets the requirement of client.

Therefore, in order to improve contact elements contact resistance detection efficiency, operating staff self-test and quality personnel is facilitated to examine, A kind of welded type electrical contact member contact resistance device for quick testing and its test method need to be designed to meet practical operation.

Summary of the invention

The object of the present invention is to provide a kind of welded type electrical contact member contact resistance device for quick testing and its detections Method.The present invention can improve the detection efficiency of welded type electrical contact member contact resistance, and the present invention have structure simply and Easy to operate feature.

Technical solution of the present invention: welded type electrical contact member contact resistance device for quick testing, welded type electrical contact member Part includes the first workpiece for measurement and the second workpiece for measurement, and first workpiece for measurement includes the first conducting base, the first conductive base The first blade contact is welded on body, second workpiece for measurement includes the second conducting base, is welded on the second conducting base Second blade contact, further include for fixing the clamping device of the first workpiece for measurement, the clamping for clamping the second workpiece for measurement Mechanism, the force application mechanism for the second workpiece for measurement to be pressed on the first workpiece for measurement and it is used to test the first workpiece for measurement and The resistance test mechanism of resistance when two workpieces for measurement squeeze contact；One end of the resistance test mechanism and the first conductive base Body electrical connection, the other end of resistance test mechanism are electrically connected with the second conducting base, first blade contact and the second sheet Electrical connection is generated while contact opposing compression.

In a kind of welded type electrical contact member contact resistance device for quick testing above-mentioned, the clamping device includes fixing Seat, fixed insulation board arranged on the fixing seat, through the polished rod of fixing seat and fixed insulation board, the shifting of polished rod end is set Dynamic insulation board, the handle that stop payment plate and fixing seat side is set being set on polished rod；Slide opening is offered in the fixing seat, The polished rod is slidably arranged in slide opening；The side of the corresponding fixed insulation board of the fixing seat is equipped with cavity, and the plate of stopping payment is set It sets in cavity；The end of the handle is equipped with the eccentric shaft protruded into cavity, and the eccentric shaft is pushed when handle rotates to be stopped It pays board and lives polished rod；The first workpiece for measurement setting is between fixed insulation board and mobile insulation board.

In a kind of welded type electrical contact member contact resistance device for quick testing above-mentioned, two are offered in the fixing seat A pilot hole, guide post is equipped in the pilot hole, and the front end of the guide post is connected with mobile insulation board.

In a kind of welded type electrical contact member contact resistance device for quick testing above-mentioned, the clamp system includes fixing Folder and mobile folder, the fixing clamp are equipped with sliding slot, and the mobile folder is slidably arranged in sliding slot, and the fixing clamp, which is equipped with, to be used In the positive stop lug boss to mobile folder limit；It is equipped in the sliding slot and provides the spring of elastic force for mobile folder, one end of spring is against On the inner wall of sliding slot, the other end of spring is against on the end face of mobile folder.

In a kind of welded type electrical contact member contact resistance device for quick testing above-mentioned, the force application mechanism includes handle Screw mechanism and dynamometer, the handle screw mechanism include that mounting rack, the lead screw being arranged on mounting rack and guide rod, setting exist The handwheel on lead screw top and the sliding block being connect with threads of lead screw；The dynamometer is fixed on sliding block, and the front end of dynamometer with Clamping device is connected；The sliding block is slidably connected with guide rod, and sliding block drives dynamometer to be slid along the direction of guide rod.

In a kind of welded type electrical contact member contact resistance device for quick testing above-mentioned, the dynamometer is through screw rod and cunning Block is connected.

In a kind of welded type electrical contact member contact resistance device for quick testing above-mentioned, the resistance test mechanism includes Resistance meter, the resistance meter are equipped with the first wire clamp and the second wire clamp, and it is to be measured that first wire clamp is held on first On first conducting base of workpiece, the second wire clamp is held on the second conducting base of the second workpiece for measurement.

In a kind of welded type electrical contact member contact resistance device for quick testing above-mentioned, is offered on the pedestal and keep away position Hole, the bottom of the clamping device are equipped with fine tuning slide unit, and the fine tuning slide unit includes pedestal, Building Y and Building X, is set on the pedestal There is the first slide bar, Building Y is connect with the first sliding bar, and the first closely-pitched screw rod, and the end of the first closely-pitched screw rod are equipped on Building Y It is threadedly coupled with Building Y；The Building Y is equipped with the second slide bar, and Building X is connect with the second sliding bar, and the second closely-pitched is equipped on Building X Screw rod, and the end of the second closely-pitched screw rod is threadedly coupled with Building X.

The test method of welded type electrical contact member contact resistance device for quick testing above-mentioned, comprising the following steps:

S1, the first workpiece for measurement is fixed by clamping device, and the second workpiece for measurement is fixed by clamp system；

S2, make the second workpiece for measurement and the first workpiece for measurement or more gross alignment by regulation handle screw mechanism, then adjust micro- Slide unit is adjusted to make the second workpiece for measurement and the first workpiece for measurement up and down precisely to it；

When S3, the second workpiece for measurement and the first workpiece for measurement contact, dynamometer has force value to show, is adjusted by handle screw mechanism The size of force value is allowed to reach and tests required force value；

S4, the first wire clamp and the second wire clamp are drawn from resistance meter end, the first wire clamp and the second wire clamp is made to contact with each other then The shown resistance value being zeroed in resistance meter；

S5, resistance meter the first wire clamp be held on the first conducting base of the first workpiece for measurement, the second wire clamp is held on On second conducting base of the second workpiece for measurement, the contact resistance measured value shown on resistance meter, and and product are read The contact resistance required value of standard requirements is compared, if measured value≤required value, product contact resistance is determined as qualification, otherwise It is determined as unqualified.

Compared with prior art, the present invention fixes the first workpiece for measurement by clamping device, clamps the by clamp system One end of resistance test mechanism is electrically connected by two workpieces for measurement with the first conducting base, the other end of resistance test mechanism and The electrical connection of two conducting bases, applies a certain size power using force application mechanism to clamp system, clamp system stress by second to It surveys workpiece to be pressed on the first workpiece for measurement, and the first blade contact and the second blade contact opposing compression, be surveyed further according to resistance Shown resistance value obtains the contact resistance value between the first blade contact and the second blade contact on examination instrument.So that welded type The detection of electrical contact member contact resistance is simple and quick, the contact resistance value that the contact resistance value and product standard are required It is compared, if when measured value≤required value, product contact resistance is determined as qualification, is otherwise determined as unqualified, facilitates behaviour Make the quality inspection of employee and quality personnel.In conclusion the present invention can improve the detection effect of welded type electrical contact member contact resistance Rate, and the present invention has the characteristics that structure is simply and easy to operate.

First workpiece for measurement of the invention is arranged between the mobile insulation board of clamping device and fixed insulation board, by pushing away It draws polished rod that clamping and the expansion action of insulation board may be implemented, pulls polished rod to the left, plate is stopped payment in the eccentric shaft drive for pulling handle Polished rod is blocked, it is simple to operate to realize the clamping to the first workpiece for measurement, facilitate employee to use, work can be greatly improved Efficiency.

Guide post is arranged on mobile insulation board in the present invention, and guide post slides in the pilot hole of fixing seat, can enhance Stationarity when mobile insulation board movement.

Second workpiece for measurement of the invention is arranged between the mobile folder of clamp system and fixing clamp, in the effect of spring force The mobile folder of lower promotion clamps the second workpiece for measurement, and structure is simple so that the second workpiece for measurement to be installed on disassembly very convenient.

Dynamometer is arranged on the handle screw mechanism in force application mechanism in the present invention, it could be visually observed that clamping machine The torque size that structure applies facilitates the control for applying torque.

Resistance test mechanism of the invention is resistance meter, and resistance meter measurement resistance value is reliable and stable, accuracy Height, and it is very intuitive.

The present invention by finely tune slide unit the position of clamping device is finely adjusted, and then to the position of the first workpiece for measurement into Row fine tuning can be such that the first blade contact and the second blade contact completely attaches to, can guarantee the stability and accuracy of operation.

Detailed description of the invention

Fig. 1 is the installation diagram of the specific embodiment of the invention；

Fig. 2 is the structural schematic diagram of force application mechanism of the present invention；

Fig. 3 is the cross-sectional view of clamp system of the present invention；

Fig. 4 is the structural schematic diagram of clamp system entirety of the present invention；

Fig. 5 is the cross-sectional view of clamping device of the present invention；

Fig. 6 is the explosive view of clamping device of the present invention；

Fig. 7 is the structural schematic diagram of fine adjustment stage of the present invention；

Fig. 8 is the structural schematic diagram of the first workpiece for measurement of the invention；

Fig. 9 is the structural schematic diagram of the second workpiece for measurement of the invention.

The label in accompanying drawing is: the 1, first workpiece for measurement；2, the second workpiece for measurement；3, clamping device；4, clamp system；5, Handle screw mechanism；6, dynamometer；7, force application mechanism；8, slide unit is finely tuned；9, resistance test mechanism；10, the first wire clamp；11, Two wire clamps；12, mounting rack；13, lead screw；14, guide rod；15, sliding block；16, handwheel；17, fixing clamp；18, mobile folder；19, sliding slot； 20, spring；21, positive stop lug boss；22, fixing seat；23, fixed insulation board；24, polished rod；25, cavity；26, plate is stopped payment；27, hand Handle；28, eccentric shaft；29, pilot hole；30, guide post；31, pedestal；32, Building Y；33, Building X；34, the first closely-pitched screw rod；35, second Closely-pitched screw rod；36, the first slide bar；37, the second slide bar；38, the first conducting base；39, the first blade contact；40, second is conductive Matrix；41, the second blade contact；42, mobile insulation board；43, slide opening.

Specific embodiment

Below with reference to embodiment, the invention will be further described, but is not intended as the foundation limited the present invention.