CN112557707A - Upflow test clamp - Google Patents
Upflow test clamp Download PDFInfo
- Publication number
- CN112557707A CN112557707A CN202011391005.3A CN202011391005A CN112557707A CN 112557707 A CN112557707 A CN 112557707A CN 202011391005 A CN202011391005 A CN 202011391005A CN 112557707 A CN112557707 A CN 112557707A
- Authority
- CN
- China
- Prior art keywords
- clamping
- piece
- upflow
- clamping mechanism
- conducting
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
Abstract
The invention relates to the technical field of electrical equipment, in particular to an upflow test clamp which comprises a clamping mechanism, a conducting piece and a connecting rod operating mechanism, wherein the fixed end of the connecting rod operating mechanism is detachably connected with the clamping mechanism, the movable end of the connecting rod operating mechanism is connected with the conducting piece, and the conducting piece is movably inserted on the clamping mechanism. The invention is convenient to use, can be switched on and off according to the actual scene requirements, and can also improve the test accuracy and the safety degree.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to an upflow test clamp.
Background
At present, certain operation limitation exists for CT secondary upwash test work. Because the 10kV switch cabinets with various sizes are arranged in the transformer substation, and various components are arranged in the switch cabinets with different sizes, a tester needs to operate in a narrow switch cabinet when performing a relay protection up-flow test. The secondary wiring terminal block of the relay protection screen cabinet of some traditional transformer substations is old and has the problem of difficult wiring when a secondary upwash experiment is carried out. The current rise test performed in the switch cabinet in a narrow space or in the secondary terminal row of the relay protection screen cabinet brings certain difficulty to the operation. Because the upflow clamp is needed in the upflow test, and the upflow clamp is large in size, when the upflow clamp is applied to a small operation space, force cannot be applied well, and the secondary circuit terminal strip of the current transformer cannot be clamped effectively.
The chinese patent publication No. CN102570327B discloses a wire clamp for a one-time current rise test of a closed switch cabinet, which has the characteristics of strong pertinence, convenient operation, firm connection, safety, reliability, strong applicability, and the like.
However, the above scheme cannot be switched on or off according to the actual scene requirements during testing, which causes inconvenience in use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the upflow test clip which is convenient to use, can be switched on and off according to the actual scene requirements, and can improve the test accuracy and the safety degree.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides an upflow test clamp, includes fixture, switches on piece, connecting rod operating device's stiff end and fixture can dismantle and be connected, connecting rod operating device's expansion end and the piece that switches on are connected, switch on the piece activity peg graft in fixture is last.
The invention relates to a current rise test clamp, which is characterized in that a clamping mechanism is used for clamping a current transformer secondary circuit wiring terminal strip, a conducting piece is used for being connected with a wiring terminal of the current transformer secondary circuit wiring terminal strip to carry out a current rise conduction test, and a connecting rod operating mechanism can be used for controlling the conducting piece to move on the clamping mechanism so as to control the on-off of the test and facilitate a tester to press the conducting piece and the wiring terminal of the current transformer secondary circuit wiring terminal strip.
Preferably, the connecting rod operating mechanism comprises a mounting arm, an operating arm and a transmission rod; one end of the mounting arm is detachably connected with the clamping mechanism, and the other end of the mounting arm is rotatably connected with the operating arm; one end of the transmission rod is rotatably connected with the operation arm, and the other end of the transmission rod is rotatably connected with the conduction piece. The setting of installation arm, operation arm, transfer line can be convenient for the tester compress tightly the piece that switches on, uses manpower sparingly.
Preferably, the conducting piece comprises a pressing rod, and a lead and an elastic thimble which are respectively connected to two ends of the pressing rod, the pressing rod is inserted on the clamping mechanism in a sliding manner, and the pressing rod is rotatably connected with the transmission rod.
Preferably, one end of the pressure lever, which is far away from the lead, is connected with a positioning part, and the elastic thimble is arranged in the positioning part.
Preferably, the mounting arm is provided with a first through hole for the conducting piece to pass through.
Preferably, the clamping mechanism comprises a supporting block and an elastic clamping mechanism connected to the supporting block, and the conducting piece is movably inserted into the supporting block.
Preferably, the elastic clamping mechanism comprises a first clamping piece, a second clamping piece and a plurality of spring columns, and the first clamping piece and the second clamping piece are respectively and elastically connected to two sides of the supporting block through the spring columns.
Preferably, the supporting block is provided with a plurality of grooves for mounting the link operating mechanism.
Preferably, a second through hole for the conducting piece to pass through is arranged in the groove.
Preferably, the clamping surfaces of the first clamping piece and the second clamping piece are respectively provided with a pad body. The arrangement of the pad body can prevent the first clamping piece and the second clamping piece from damaging the wiring terminal strip of the secondary circuit of the current transformer.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a current rise test clamp, which is characterized in that a clamping mechanism is used for clamping a current transformer secondary circuit wiring terminal strip, a conducting piece is used for being connected with a wiring terminal of the current transformer secondary circuit wiring terminal strip to carry out a current rise conduction test, and a connecting rod operating mechanism can be used for controlling the conducting piece to move on the clamping mechanism so as to control the on-off of the test and facilitate a tester to press the conducting piece and the wiring terminal of the current transformer secondary circuit wiring terminal strip.
Drawings
FIG. 1 is a schematic structural diagram of an upflow test clip according to the present invention.
FIG. 2 is a schematic view of an alternative embodiment of an upflow test clamp according to the present invention.
FIG. 3 is a schematic structural view of the bottom of an upflow test fixture according to the present invention.
Fig. 4 is a front view of fig. 1.
FIG. 5 is a diagram of the use of an upflow test clamp according to the present invention.
The graphic symbols are illustrated as follows:
1-clamping mechanism, 11-supporting block, 12-elastic clamping mechanism, 121-first clamping piece, 122-second clamping piece, 123-spring column, 13-groove, 14-second through hole, 2-conducting piece, 21-pressing rod, 22-conducting wire, 23-elastic thimble, 24-positioning part, 3-connecting rod operating mechanism, 31-mounting arm, 311-first through hole, 32-operating arm, 321-holding part, 33-transmission rod and 4-secondary circuit terminal block row of current transformer.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Example 1
Fig. 1 to 5 show a first embodiment of an upflow test fixture according to the present invention, which includes a clamping mechanism 1, a conducting member 2, and a connecting rod operating mechanism 3, wherein a fixed end of the connecting rod operating mechanism 3 is detachably connected to the clamping mechanism 1, a movable end of the connecting rod operating mechanism 3 is connected to the conducting member 2, and the conducting member 2 is movably inserted into the clamping mechanism 1.
In addition, as shown in fig. 2 and 3, the link operating mechanism 3 includes symmetrically disposed mounting arms 31, symmetrically disposed operating arms 32, and symmetrically disposed transmission levers 33; one end of the mounting arm 31 is detachably connected with the clamping mechanism 1, and the other end is connected with one end of the operating arm 32 through a rotating shaft; one end of the transmission rod 33 is connected with the middle part of the operation arm 32 through a rotating shaft, and the other end is connected with the conduction piece 2 through a rotating shaft.
In addition, as shown in fig. 3, the conducting member 2 includes a pressing rod 21, a conducting wire 22, and an elastic thimble 23, an upper end of the pressing rod 21 is connected to the conducting wire 22, a lower end of the pressing rod 21 is connected to the elastic thimble 23, the pressing rod 21 is slidably inserted into the clamping mechanism 1, and the transmission rod 33 is connected to an end of the pressing rod 21 close to the conducting wire 22 through a rotating shaft. As shown in fig. 3 and 4, a positioning portion 24 is connected to one end of the pressure lever 21 away from the lead 22, and the elastic thimble 23 is disposed in the positioning portion 24. In the embodiment, the positioning part 24 is a cylindrical structure and is integrally formed with the pressure lever 21; the elastic thimble 23 comprises a spring and a thimble, one end of the spring is connected with the pressure lever 21, the other end is connected with the thimble, and the thimble is positioned in the tubular structure. The setting of tubular structure can be convenient for switch on 2 and current transformer secondary circuit binding post row 4 binding post's conductive head fixes a position, improves the connection accuracy.
As shown in fig. 3 and 4, in the present embodiment, a holding portion 321 is disposed at an end of the operating arm 32 away from the mounting arm 31, and the holding portion 321 is an outward-flanged structure. As shown in fig. 5, in the present embodiment, the mounting arm 31 is an L-shaped structure, a horizontal section of the L-shaped structure is provided with a first through hole 311 for the pressing rod 21 to pass through, and the pressing rod 21 is inserted into the mounting arm 31 through the first through hole 311.
Example 2
The embodiment is similar to embodiment 1, except that the clamping mechanism 1 in this embodiment includes a supporting block 11 and an elastic clamping mechanism 12 connected to the supporting block 11, and the pressing rod 21 passes through the mounting arm 31 and then is inserted into the supporting block 11.
The elastic clamping mechanism 12 includes a first clamping piece 121, a second clamping piece 122, and a plurality of spring columns 123, and the first clamping piece 121 and the second clamping piece 122 are respectively elastically connected to two sides of the supporting block 11 through the spring columns 123. As shown in fig. 1 to 4, two spring posts 123 are provided in this embodiment, each spring post 123 includes a connecting post and a plurality of springs sleeved on the connecting post, and the end portions of the connecting posts are provided with limiting rings; the connecting column is horizontally inserted into the supporting block 11, the first clamping piece 121 and the second clamping piece 122 are also inserted into the connecting column, the first clamping piece 121 and the second clamping piece 122 are respectively located at two sides of the supporting block 11, one end of the spring abuts against the first clamping piece 121 or the second clamping piece 122, and the other end of the spring abuts against the limiting ring.
The upper surface of the supporting block 11 is provided with a plurality of grooves 13 for inserting the mounting arms 31, and the bottom of each groove 13 is provided with a second through hole 14 for the compression bar 21 to pass through. As shown in fig. 5, the pressing rod 21 passes through the first through hole 311 and the second through hole 14 in sequence to realize plugging.
In addition, in the embodiment, the clamping surfaces of the first clamping piece 121 and the second clamping piece 122 are both provided with a pad body, specifically, the pad bodies are rubber pads, so that the first clamping piece 121 and the second clamping piece 122 can be prevented from damaging the current transformer secondary circuit terminal block 4 during clamping.
When in use, as shown in fig. 5, the current transformer secondary circuit terminal block 4 is placed between the first clamping piece 121 and the second clamping piece 122, and the first clamping piece 121 and the second clamping piece 122 clamp the current transformer secondary circuit terminal block 4 under the action of elastic force; then, the operating arm 32 is pressed downwards, the pressing rod 21 is driven to move downwards through the transmission of the transmission rod 33, the elastic ejector pin 23 is connected with and tightly pressed on the current transformer secondary circuit wiring terminal row 4 wiring terminal conductive head, and quick electricity taking is achieved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The upflow test clamp is characterized by comprising a clamping mechanism (1), a conducting piece (2) and a connecting rod operating mechanism (3), wherein the fixed end of the connecting rod operating mechanism (3) is detachably connected with the clamping mechanism (1), the movable end of the connecting rod operating mechanism (3) is connected with the conducting piece (2), and the conducting piece (2) is movably inserted into the clamping mechanism (1).
2. An upflow test jig as in claim 1 characterised in that the linkage operating mechanism (3) comprises a mounting arm (31), an operating arm (32), a transmission rod (33); one end of the mounting arm (31) is detachably connected with the clamping mechanism (1), and the other end of the mounting arm is rotatably connected with the operating arm (32); one end of the transmission rod (33) is rotatably connected with the operation arm (32), and the other end of the transmission rod is rotatably connected with the conduction piece (2).
3. The upflow test clamp according to claim 2, wherein the conducting member (2) comprises a pressing rod (21), and a conducting wire (22) and an elastic thimble (23) respectively connected to two ends of the pressing rod (21), the pressing rod (21) is slidably inserted into the clamping mechanism (1), and the pressing rod (21) is rotatably connected with a transmission rod (33).
4. An upflow test clamp as in claim 3, characterised in that the end of the pressure lever (21) remote from the wire (22) is connected to a locating portion (24), and the resilient thimble (23) is disposed in the locating portion (24).
5. An upflow test clamp as in claim 2, characterised in that the mounting arm (31) is provided with a first through hole (311) for the lead-through member (2) to pass through.
6. An upflow test jig as in claim 1, wherein the clamping mechanism (1) comprises a support block (11) and an elastic clamping mechanism (12) connected to the support block (11), and the conducting member (2) is movably inserted into the support block (11).
7. The upflow test clamp according to claim 6, wherein the elastic clamping mechanism (12) comprises a first clamping piece (121), a second clamping piece (122), and a plurality of spring columns (123), and the first clamping piece (121) and the second clamping piece (122) are respectively elastically connected to two sides of the supporting block (11) through the spring columns (123).
8. An upflow test jig as in claim 6 in which the support block (11) is provided with a plurality of recesses (13) for receiving the link operating mechanism (3).
9. An upflow test jig as claimed in claim 8 in which the recess (13) is provided with a second through hole (14) for the lead-through member (2) to pass through.
10. The upflow test clip of claim 7, wherein the clamping surfaces of the first clamping piece (121) and the second clamping piece (122) are provided with pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011391005.3A CN112557707A (en) | 2020-12-02 | 2020-12-02 | Upflow test clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011391005.3A CN112557707A (en) | 2020-12-02 | 2020-12-02 | Upflow test clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112557707A true CN112557707A (en) | 2021-03-26 |
Family
ID=75047973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011391005.3A Pending CN112557707A (en) | 2020-12-02 | 2020-12-02 | Upflow test clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112557707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809560A (en) * | 2021-09-24 | 2021-12-17 | 广东电网有限责任公司 | External letter taking access device and access method for terminal block |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548568U (en) * | 2009-10-10 | 2010-08-11 | 安徽省电力公司滁州供电公司 | Primary current testing clamp for calibration of straight plate current transformer on site |
| CN202305572U (en) * | 2011-08-12 | 2012-07-04 | 秦皇岛开发区海纳电测仪器有限责任公司 | Primary connection rod clamping device for mutual inductor |
| CN204649954U (en) * | 2015-06-05 | 2015-09-16 | 江苏省电力公司东台市供电公司 | The special transition fixture of current transformer up-flow |
| CN105729484A (en) * | 2016-04-13 | 2016-07-06 | 三峡大学 | Wiring robot and wiring method for on-site calibration of mutual inductor |
| CN107121658A (en) * | 2017-06-25 | 2017-09-01 | 山西省机电设计研究院 | Large current transducer check system |
| CN206906573U (en) * | 2017-07-13 | 2018-01-19 | 郑州富和电气有限公司 | Electric energy meter adjusting device |
| CN108594154A (en) * | 2018-04-12 | 2018-09-28 | 广东电网有限责任公司 | A kind of binding clip of verification transformer station direct current system leakage current mutual inductor |
| CN207976498U (en) * | 2018-01-26 | 2018-10-16 | 广西电网有限责任公司防城港供电局 | Terminal block universal test wire clamp |
| CN210224300U (en) * | 2019-09-26 | 2020-03-31 | 福建中通海创通信技术有限公司 | Module plugging tool |
| CN210894427U (en) * | 2019-09-04 | 2020-06-30 | 深圳市光彩凯宜电子开发有限公司 | Quick test fixture for deconcentrators |
-
2020
- 2020-12-02 CN CN202011391005.3A patent/CN112557707A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548568U (en) * | 2009-10-10 | 2010-08-11 | 安徽省电力公司滁州供电公司 | Primary current testing clamp for calibration of straight plate current transformer on site |
| CN202305572U (en) * | 2011-08-12 | 2012-07-04 | 秦皇岛开发区海纳电测仪器有限责任公司 | Primary connection rod clamping device for mutual inductor |
| CN204649954U (en) * | 2015-06-05 | 2015-09-16 | 江苏省电力公司东台市供电公司 | The special transition fixture of current transformer up-flow |
| CN105729484A (en) * | 2016-04-13 | 2016-07-06 | 三峡大学 | Wiring robot and wiring method for on-site calibration of mutual inductor |
| CN107121658A (en) * | 2017-06-25 | 2017-09-01 | 山西省机电设计研究院 | Large current transducer check system |
| CN206906573U (en) * | 2017-07-13 | 2018-01-19 | 郑州富和电气有限公司 | Electric energy meter adjusting device |
| CN207976498U (en) * | 2018-01-26 | 2018-10-16 | 广西电网有限责任公司防城港供电局 | Terminal block universal test wire clamp |
| CN108594154A (en) * | 2018-04-12 | 2018-09-28 | 广东电网有限责任公司 | A kind of binding clip of verification transformer station direct current system leakage current mutual inductor |
| CN210894427U (en) * | 2019-09-04 | 2020-06-30 | 深圳市光彩凯宜电子开发有限公司 | Quick test fixture for deconcentrators |
| CN210224300U (en) * | 2019-09-26 | 2020-03-31 | 福建中通海创通信技术有限公司 | Module plugging tool |
Non-Patent Citations (1)
| Title |
|---|
| 能源部基本建设司: "《火电厂电气设备起动调试 第1版》", 31 October 1992 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809560A (en) * | 2021-09-24 | 2021-12-17 | 广东电网有限责任公司 | External letter taking access device and access method for terminal block |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112557707A (en) | Upflow test clamp | |
| CN201740800U (en) | Multichannel battery holder | |
| CN101820105A (en) | Cage spring terminal block | |
| CN205003212U (en) | 10kV handcart switch return circuit resistance test fastener | |
| CN209624642U (en) | A kind of jockey | |
| CN207690700U (en) | A kind of 500kV voltage class disconnecting switch | |
| CN206892237U (en) | A kind of electrode detection mechanism for RCCB intelligent detection equipment | |
| CN110646641B (en) | Outlet pressing plate pin type experiment clamp | |
| CN210894420U (en) | Conversion device for checking vertical special-shaped busbar circuit breaker | |
| CN208805545U (en) | A kind of loop resistance test device | |
| CN109596868B (en) | Auxiliary fixing clamp for test connector | |
| CN113267654A (en) | Electrical test fixture for high-voltage circuit breaker | |
| CN202332753U (en) | Connecting terminal | |
| CN206584857U (en) | A kind of current mechanism and vacuum circuit breaker of protection vacuum tube | |
| CN219799541U (en) | Heavy current switching test fixture | |
| CN220490875U (en) | Electrical contact terminal for a test device for semiconductor devices and test device | |
| CN220652825U (en) | Line clip structure | |
| CN213936750U (en) | Full-automatic test auto-lock terminal | |
| CN201319345Y (en) | High voltage direct current isolated switch | |
| CN216411339U (en) | Side cabinet combining bus test tool | |
| CN220474547U (en) | Plug-in circuit breaker | |
| CN219320443U (en) | Circuit breaker testing device | |
| CN217483828U (en) | Mechanical characteristic testing device | |
| CN213933927U (en) | Multichannel test fixture | |
| CN214279856U (en) | Quick-connection type bipolar switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210326 |