CN208847375U - A kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping device - Google Patents
A kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping device Download PDFInfo
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- CN208847375U CN208847375U CN201821640259.2U CN201821640259U CN208847375U CN 208847375 U CN208847375 U CN 208847375U CN 201821640259 U CN201821640259 U CN 201821640259U CN 208847375 U CN208847375 U CN 208847375U
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- moving contact
- clamping limb
- clamping
- circuit breaker
- voltage switch
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Abstract
A kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping device, including the first clamping limb and the second clamping limb, the first clamping limb middle part and the second clamping limb middle part are hinged；It further include pressing from both sides hook mechanism for clamping the scissor-type of moving contact, it includes two groups of folder hook assemblies for being hingedly connected to first clamping limb one end and second clamping limb one end that scissor-type, which presss from both sides hook mechanism,；First clamping limb and/or the second clamping limb are equipped with microbrachia section, and elastic deformation is obvious when microbrachia section stress, and microbrachia section is equipped with the pressure sensitivity electric resistance sensor for detecting microbrachia section elastic deformation situation.The Medium voltage switch or circuit breaker moving contact dynamometry clamping device of the utility model can quickly, flexibly, accurately measure on moving contact clamping force between two intermediate plates, and can solve existing rigid cartridge and measure the inaccurate problem of data in narrow space occasion.
Description
Technical field
The utility model relates to a kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping devices, in Medium Voltage Switchgear assembling process
In, the chucking power of the moving contact of the three-station in air insulation cabinet or SF6 gas-insulated cabinet is measured, to verify
Whether technical standard is reached.
Background technique
In the moving contact load cell collet of three stations of existing Medium Voltage Switchgear, rigid cartridge is generallyd use, narrow
Small space cantilever arm rigidity is not enough, is easily deformed, and causes to measure data inaccurate；In addition, using rigid cartridge, for needing to survey
The case where trying the moving contact of various model specifications can only replace rigid cartridge, need to debug again, added cost, and low efficiency.
Chinese patent literature CN202305079U discloses a kind of contact pressure force measuring machine of high-voltage switch cabinet on July 4th, 2012, and
Specifically disclose: including moving contact connector, force measuring machine and driving mechanism, the moving contact connector connects force measuring machine,
Force measuring machine connects driving mechanism；The moving contact connector is that moving contact connection hooks, and moving contact connection is hooked in similar " J " word
Shape；The force measuring machine includes dynamometer, locating rod, fixing seat and limit sleeve, and dynamometer is placed on the securing lever, and locating rod is solid
It is scheduled in fixing seat, limit sleeve is fixed on the securing lever, and limit sleeve is set on the periphery of dynamometer, before dynamometer
Connection moving contact connection in end hooks, and the rear end of dynamometer connects driving mechanism；The driving mechanism includes handle, swivel nut and screw rod,
The fixing seat is in similar "Ji" type, and fixing seat two side walls for extending in the vertical direction and being parallel to each other have logical
Hole, swivel nut are fixed in fixing seat, and the rear end of screw rod connects handle, and the front end of screw rod connects survey after passing through swivel nut and two through-holes
The rear end of power meter；The driving mechanism further includes the ring that is rotatably connected, and the rear end of dynamometer is equipped with big connection ring, is rotatably connected
Ring is rotatably fixed on the front end of screw rod, and the ring that is rotatably connected is connect with big connection ring；The front end of the screw rod is equipped with and can slide
Dynamic set, the bottom end contact locating rod slidably covered, the ring that is rotatably connected rotatably are fixed on the middle part for slidably covering front end face；
The front end of the dynamometer is equipped with small connection ring, and the small connection ring connection moving contact connection hooks.The force measuring machine of the structure operates
It is turned over using fiber crops, and measurement accuracy is low, is not able to satisfy the measurement of moving contact chucking power in three-station.
Therefore, it is necessary to be further improved.
Utility model content
The purpose of the utility model is to provide a kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping devices, to overcome the prior art
In shortcoming；This Medium voltage switch or circuit breaker moving contact dynamometry clamping device quickly, flexibly, can be measured accurately on moving contact between two intermediate plates
Clamping force, and can solve existing rigid cartridge and measure the inaccurate problem of data in narrow space occasion.
By a kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping device that this purpose designs, including the first clamping limb and the second clamping
Arm, the first clamping limb middle part and the second clamping limb middle part are hinged；It is characterized by also including for clamping cutting for moving contact
V shape presss from both sides hook mechanism, and scissor-type folder hook mechanism includes two groups and is hingedly connected to first clamping limb one end and second clamping limb one end
Press from both sides hook assembly；First clamping limb and/or the second clamping limb are equipped with microbrachia section, and elastic deformation is obvious when microbrachia section stress,
Microbrachia section is equipped with the pressure sensitivity electric resistance sensor for detecting microbrachia section elastic deformation situation.
First clamping limb or the second clamping limb, which are equipped with, acts on moving contact for adjusting scissor-type folder hook mechanism
Chucking power manual fine-tuning mechanism.
The manual fine-tuning mechanism includes pinch plate and fine tuning actuating member, and pinch plate is articulated with the other end of any clamping limb
On, fine tuning actuating member adjustable moving on pinch plate and at least in scissor-type folder hook mechanism clamping moving contact, fine tuning makees
Appliance acts on the other end of another clamping limb, to realize that chucking power is finely tuned.
There is stud on the fine tuning actuating member, fine tuning actuating member is spirally connected by stud and pinch plate；Scissor-type presss from both sides hook mechanism
When clamping moving contact, the swinging end of pinch plate can clasp the other end of another clamping limb, and the stud finely tuned on actuating member acts on
The other end of another clamping limb adjusts chucking power by lever principle.
First clamping limb or the second clamping limb are equipped with spacing breach, when scissor-type presss from both sides hook mechanism clamping moving contact,
Stud on fine tuning actuating member acts in spacing breach.
The pressure sensitivity electric resistance sensor includes the first sensing chip and the second sensing chip, and the first sensing chip is attached to outside microbrachia section
Side, the second sensing chip are attached on the inside of microbrachia section, and the first sensing chip is corresponded to each other with the second sensing chip.
First clamping limb or the second clamping limb are equipped with linear grooves, and the outer wire body drawn is pre- on pressure sensitivity electric resistance sensor
It is embedded in linear grooves.
The linear grooves are equipped with limited block, and limited block is enclosed in the side mouth of linear grooves, wire body is limited
It is formed in linear grooves.
The folder hook assembly include two drive rods and two gripper jaws, two drive rod one end respectively with corresponding clamping limb one end
Hingedly, two gripper jaw one end are hinged with the corresponding drive rod other end respectively, are hinged in the middle part of two gripper jaws.
The gripper jaw other end is equipped with the grapple for clasping the intermediate plate on moving contact；The gripper jaw is equipped with several
For realizing the hinged fraising of two gripper jaws, keep the hinge joint of two gripper jaws adjustable.
The utility model has the following beneficial effects:
1) high reliablity, Aerodynamic data are stablized, and can ensure that production process quality is stablized, promote the quality of product；
2) test data is accurate, using double piezoresistive pickups, compares verification, can more accurately measure moving contact folder
Clamp force, it is ensured that reach power technology requirement；
3) flexible quick dynamometry, using scissor-type link transmission, both ends can flexibly stretch, can quick random adjusting space bit
It sets, especially suitable for two moving contact intermediate plate narrow space occasions, substantially increases production efficiency；
4) versatility is good, presss from both sides position or the replaceable tail portion folder hook that hook rotates shaft mounting hole by adjusting scissor-type, can fit
Dynamometry is clamped with the moving contact of various model specifications, is reduced costs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of related dynamometry clamping device in an embodiment of the present invention.
Fig. 2 uses schematic diagram for dynamometry clamping device related in an embodiment of the present invention.
Fig. 3 is the partial enlargement diagram of microbrachia section in an embodiment of the present invention.
Fig. 4 is the structural schematic diagram of moving contact in an embodiment of the present invention.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.
Referring to figures 1-4, this Medium voltage switch or circuit breaker moving contact dynamometry clamping device, including the first clamping limb 1 and the second clamping limb
2, the middle part of the first clamping limb 1 be hinged in the middle part of the second clamping limb 2；It further include pressing from both sides hook for clamping the scissor-type of moving contact D
Mechanism, it includes two groups of folder hook groups for being hingedly connected to 2 one end of 1 one end of the first clamping limb and the second clamping limb that scissor-type, which presss from both sides hook mechanism,
Part 3；It is respectively equipped with microbrachia section a on first clamping limb 1 and the second clamping limb 2, elastic deformation is obvious when microbrachia section a stress, microbrachia
Section a is equipped with the pressure sensitivity electric resistance sensor 4 for detecting microbrachia section a elastic deformation situation, and pressure sensitivity electric resistance sensor 4 can be adopted
Sample comparison verification, can more accurately measure the clamping force of moving contact D.This Medium voltage switch or circuit breaker moving contact dynamometry clamping device can quick, spirit
Living, the accurate clamping force measured between upper two intermediate plate 8 of moving contact D, and can solve existing rigid cartridge and measured in narrow space occasion
The inaccurate problem of data.
Furtherly, the first clamping limb 1 is equipped with the clamping acted on moving contact D for adjusting scissor-type folder hook mechanism
The manual fine-tuning mechanism 5 of power.
Furtherly, manual fine-tuning mechanism 5 includes pinch plate 7 and fine tuning actuating member 6, and pinch plate 7 is articulated with the first clamping
On the other end of arm 1, it is on pinch plate 7 and at least dynamic in scissor-type folder hook mechanism clamping to finely tune 6 adjustable moving of actuating member
When contact D, fine tuning actuating member 6 act on the other end of another clamping limb, with realize chucking power finely tune.
Furtherly, finely tuning has stud on actuating member 6, fine tuning actuating member 6 is spirally connected by stud with pinch plate 7；Scissor-type
When pressing from both sides hook mechanism clamping moving contact D, the swinging end of pinch plate 7 can clasp the other end of another clamping limb, finely tune on actuating member 6
Stud acts on the other end of another clamping limb, adjusts chucking power by lever principle.Specifically, by fine tuning pinch plate 7
Fine tuning actuating member 6, can delicately tense two intermediate plates 8 on surveyed moving contact D, and then quickly measure clamping force.
Furtherly, the second clamping limb 2 is equipped with spacing breach 2.1, micro- when scissor-type presss from both sides hook mechanism clamping moving contact D
The stud on actuating member 6 is adjusted to act in spacing breach 2.1, raising fine tuning actuating member 6 acts on reliable on the second clamping limb 2
Property.
Furtherly, pressure sensitivity electric resistance sensor 4 includes the first sensing chip 4.1 and the second sensing chip 4.2, the first sensing chip
4.1 are attached on the outside of microbrachia section a, and the second sensing chip 4.2 is attached on the inside of microbrachia section a, the first sensing chip 4.1 and the second sensing chip
4.2 corresponding to each other.
Furtherly, the first clamping limb 1 is equipped with linear grooves 1.1, the outer wire body 4.3 drawn on pressure sensitivity electric resistance sensor 4
It is embedded in linear grooves 1.1, effectively prevent incised wound wire body 4.3, it is ensured that transducing signal transmission is reliable and stable.
Furtherly, linear grooves 1.1 are equipped with limited block 1.2, and limited block 1.2 is enclosed in the side of linear grooves 1.1
In opening, wire body 4.3 is limited in linear grooves 1.1, prevents wire body 4.3 from axially pulling easy fracture, plays a protective role.
Furtherly, folder hook assembly 3 include two drive rods 3.1 and two gripper jaws 3.2, two drive rods, 3.1 one end respectively with
Corresponding clamping limb one end is hinged, and two gripper jaws, 3.2 one end is hinged with corresponding 3.1 other end of drive rod respectively, two gripper jaws
3.2 middle parts are hinged.It presss from both sides hook assembly 3 and uses scissor-type link transmission principle, both ends can flexibly stretch, and can arbitrarily adjust space
Position, to adapt to two intermediate plates, 8 narrow space occasion.
Furtherly, 3.2 other end of gripper jaw is equipped with the grapple 3.3 for clasping the intermediate plate 8 on moving contact D；Gripper jaw
3.2 are equipped with several fraisings 3.4 hinged for realizing two gripper jaws 3.2, keep the hinge joint of two gripper jaws 3.2 adjustable, with suitable
Dynamometry is clamped with the moving contact D of various model specifications.
Furtherly, the first clamping limb 1, the second clamping limb 2, drive rod 3.1 and gripper jaw 3.2 are respectively by good stainless
Steel SUS304 material is made.First clamping limb 1 and 2 shape of the second clamping limb are symmetrical, and Z-shape, the first clamping limb 1 respectively
It is hinged with the second clamping limb 2 by public rotary shaft, keeps two clamping dynamic balances uniform.
Working principle
Firstly, first rotation release fine tuning actuating member 6, the stud for ensuring to finely tune on actuating member 6 are detached from the second clamping before test
Arm 2 flips outward pinch plate 7, ensures that pinch plate 7 is detached from the second clamping limb 2, opens the first clamping limb 1 and the second clamping with hand
Arm 2；
Secondly, moving the folder hook assembly 3 on two clamping limbs with hand push, folder hook assembly 3 can be moved flexibly random space telescopic, and
Into two intermediate plates, 8 narrow space, to link up with two intermediate plates, 8 inside；
Third, manual closing the first clamping limb 1 and the second clamping limb 2 inwardly overturn pinch plate 7, ensure that pinch plate 7 clasps
Second clamping limb 2, can be manually rotated fine tuning actuating member 6, ensure finely tune actuating member 6 on stud act on the second clamping limb 2, and
Final driving folder hook assembly 3 gradually hooks measured piece；
Finally, power suffered by folder hook assembly 3 is transferred at the microbrachia section a of the first clamping limb 1, and drive in microbrachia section a
Portion's flexible deformation, the first sensing chip 4.1 and the second sensing chip 4.2 for being pasted onto outside in arm microbrachia section a are started to work, i.e. outside
4.1 compression chord of the first sensing chip, 4.2 tension stress of the second sensing chip of inside；First sensing chip 4.1 and the second sensing chip
4.2 are respectively transferred to resistance micro various signal in external moving contact dynamometer by wire body 4.3, then carry out sampling comparison school
It tests, finally can accurately measure the clamping force of moving contact D.
The above-mentioned preferred embodiment for the utility model, has been shown and described the basic principles and main features of the utility model
And the advantages of the utility model.Those skilled in the art should be recognized that the present utility model is not limited to the above embodiments, on
It states and only illustrates the principles of the present invention described in embodiment and specification, do not departing from the spirit and scope of the utility model
Under the premise of the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical new
Within the scope of type.The utility model requires protection scope is defined by appended claims and its equivalent.
Claims (10)
1. a kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping device, including the first clamping limb (1) and the second clamping limb (2), the first folder
It is hinged in the middle part of gripping arm (1) with the second clamping limb (2) middle part；It is characterized by also including for clamping cutting for moving contact (D)
V shape presss from both sides hook mechanism, and scissor-type folder hook mechanism includes two groups and is hingedly connected to the first clamping limb (1) one end and the second clamping limb (2)
The folder hook assembly (3) of one end；First clamping limb (1) and/or the second clamping limb (2) are equipped with microbrachia section (a), microbrachia section
(a) elastic deformation is obvious when stress, and microbrachia section (a) is equipped with the pressure sensitivity resistance for detecting microbrachia section (a) elastic deformation situation
Sensor (4).
2. Medium voltage switch or circuit breaker moving contact dynamometry clamping device according to claim 1, it is characterised in that: first clamping limb
(1) or the second clamping limb (2) is equipped with and acts on the manual of chucking power on moving contact (D) for adjusting scissor-type folder hook mechanism
Micro-adjusting mechanism (5).
3. Medium voltage switch or circuit breaker moving contact dynamometry clamping device according to claim 2, it is characterised in that: the manual fine-tuning mechanism
It (5) include pinch plate (7) and fine tuning actuating member (6), pinch plate (7) is articulated on the other end of any clamping limb, fine tuning effect
Part (6) adjustable moving is on pinch plate (7) and at least in scissor-type folder hook mechanism clamping moving contact (D), fine tuning effect
Part (6) acts on the other end of another clamping limb, to realize that chucking power is finely tuned.
4. Medium voltage switch or circuit breaker moving contact dynamometry clamping device according to claim 3, it is characterised in that: the fine tuning actuating member
(6) there is stud on, fine tuning actuating member (6) is spirally connected by stud with pinch plate (7)；Scissor-type presss from both sides hook mechanism clamping moving contact (D)
When, the swinging end of pinch plate (7) can clasp the other end of another clamping limb, and the stud in fine tuning actuating member (6) acts on another
The other end of clamping limb adjusts chucking power by lever principle.
5. Medium voltage switch or circuit breaker moving contact dynamometry clamping device according to claim 4, it is characterised in that: first clamping limb
(1) or the second clamping limb (2) is equipped with spacing breach (2.1), when scissor-type presss from both sides hook mechanism clamping moving contact (D), fine tuning effect
Stud on part (6) acts on spacing breach (2.1).
6. Medium voltage switch or circuit breaker moving contact dynamometry clamping device according to claim 1, it is characterised in that: the pressure sensitivity resistance sensing
Device (4) includes the first sensing chip (4.1) and the second sensing chip (4.2), and the first sensing chip (4.1) is attached on the outside of microbrachia section (a),
Second sensing chip (4.2) is attached on the inside of microbrachia section (a), and the first sensing chip (4.1) is corresponded to each other with the second sensing chip (4.2).
7. Medium voltage switch or circuit breaker moving contact dynamometry clamping device according to claim 6, it is characterised in that: first clamping limb
(1) or the second clamping limb (2) is equipped with linear grooves (1.1), and the outer wire body (4.3) drawn is pre-buried on pressure sensitivity electric resistance sensor (4)
In linear grooves (1.1).
8. Medium voltage switch or circuit breaker moving contact dynamometry clamping device according to claim 7, it is characterised in that: the linear grooves
(1.1) limited block (1.2) are equipped with, limited block (1.2) is enclosed in the side mouth of linear grooves (1.1), by wire body
(4.3) it is limited on linear grooves (1.1).
9. Medium voltage switch or circuit breaker moving contact dynamometry clamping device according to claim 1, it is characterised in that: the folder hook assembly (3)
Including two drive rods (3.1) and two gripper jaws (3.2), two drive rods (3.1) one end is hinged with corresponding clamping limb one end respectively,
Two gripper jaws (3.2) one end is hinged with corresponding drive rod (3.1) other end respectively, is hinged in the middle part of two gripper jaws (3.2).
10. Medium voltage switch or circuit breaker moving contact dynamometry clamping device according to claim 9, it is characterised in that: the gripper jaw (3.2)
The other end is equipped with the grapple (3.3) for clasping the intermediate plate (8) on moving contact (D)；The gripper jaw (3.2) is equipped with several use
In realizing two gripper jaws (3.2) hinged fraising (3.4), keep the hinge joint of two gripper jaws (3.2) adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640259.2U CN208847375U (en) | 2018-10-09 | 2018-10-09 | A kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640259.2U CN208847375U (en) | 2018-10-09 | 2018-10-09 | A kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN208847375U true CN208847375U (en) | 2019-05-10 |
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ID=66375203
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821640259.2U Active CN208847375U (en) | 2018-10-09 | 2018-10-09 | A kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping device |
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| CN (1) | CN208847375U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002591A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Three-station operating mechanism |
| CN112002590A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Energy storage driving device and three-station operating mechanism applying same |
| CN113834592A (en) * | 2021-09-26 | 2021-12-24 | 珠海格力电器股份有限公司 | Clamping device and calibration method of force detection device |
-
2018
- 2018-10-09 CN CN201821640259.2U patent/CN208847375U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002591A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Three-station operating mechanism |
| CN112002590A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Energy storage driving device and three-station operating mechanism applying same |
| CN112002591B (en) * | 2020-08-17 | 2022-08-26 | 赫兹曼电力（广东）有限公司 | Three-station operating mechanism |
| CN112002590B (en) * | 2020-08-17 | 2022-10-28 | 赫兹曼电力（广东）有限公司 | Energy storage driving device and three-station operating mechanism applying same |
| CN113834592A (en) * | 2021-09-26 | 2021-12-24 | 珠海格力电器股份有限公司 | Clamping device and calibration method of force detection device |
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