CN112454274A - Breaker contact spring dismounting device - Google Patents
Breaker contact spring dismounting device Download PDFInfo
- Publication number
- CN112454274A CN112454274A CN202011457328.8A CN202011457328A CN112454274A CN 112454274 A CN112454274 A CN 112454274A CN 202011457328 A CN202011457328 A CN 202011457328A CN 112454274 A CN112454274 A CN 112454274A
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- Prior art keywords
- shell
- connecting rod
- cover plate
- assembling
- contact
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 241000722921 Tulipa gesneriana Species 0.000 abstract description 25
- 230000008569 process Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 229910052709 silver Inorganic materials 0.000 abstract description 2
- 239000004332 silver Substances 0.000 abstract description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
Abstract
The invention provides a breaker contact spring dismounting device which comprises an assembly column, an upper cover plate, a limiting screw and a shell, wherein the upper cover plate is arranged on the outer side of the assembly column, the limiting screw penetrates through the assembly column and is in threaded installation with the assembly column, a lower connecting block is arranged at the bottom end of the limiting screw through a bearing, the outer side of the lower connecting block is movably connected with the shell through a connecting rod assembly, a plurality of groups of shells are arranged, a lower cover plate is arranged among the groups of shells, and the lower cover plate is movably connected with the shell through a telescopic hole; compared with the conventional disassembly and assembly method, the disassembly and assembly method saves more manpower and material resources, and does not damage the silver coating of the tulip contact in the replacement process; the auxiliary device is convenient, stable and rapid to operate, the potential safety hazard that a spring mechanically hurts people can not occur, the device is small in size and convenient to carry, the size can be perfectly matched with the diameter of the plum blossom contact, and the auxiliary device is suitable for plum blossom contacts of various models.
Description
Technical Field
The invention relates to the technical field of power maintenance equipment, in particular to a dismounting device for a contact spring of a circuit breaker.
Background
The 10 KV circuit breaker is widely applied to an electric power system at present and is mostly a handcart type vacuum circuit breaker, a moving contact of the vacuum circuit breaker is arranged on a handcart switch, the moving contact of the handcart switch is named as a plum blossom contact, a plum blossom contact main body structure is made of nonmagnetic stainless steel materials, thick silver is plated on the surface of the plum blossom contact main body structure, and the plum blossom contact main body structure consists of a contact piece, a support frame and a spring contact finger;
the traditional method for assembling and disassembling the tulip contact is to install the contact and the support frame into the tulip contact by expanding the diameter of the spring by means of simple tools such as a screwdriver and the like, and the method needs to overcome the tightening force of the spring, is inconvenient to operate, wastes time and energy and is easy to hurt an operator. The traditional method for mounting and dismounting the tulip contact is to use a conical tool to push or slide the tulip contact into or out of an annular groove at the front end of a contact arm along a conical surface, the silver-plated surface of the tulip contact is easily damaged in the friction process, the conductivity and the service life of the tulip contact are influenced, the plum contact is easy to age and damage in a high-voltage and high-current environment due to long-term operation, the traditional dismounting method is low in efficiency, and the process is not precise. Therefore, the invention provides a contact spring dismounting device of a 10 kV circuit breaker, which is used for solving the defects in the prior art, and the invention provides the contact spring dismounting device of the circuit breaker to solve the problems in the prior art.
Disclosure of Invention
Aiming at the problems, the invention provides a breaker contact spring dismounting device which drives a shell to expand or tighten through adjusting a limit bolt, so that a spring on a tulip contact is dismounted; the auxiliary device is convenient, stable and rapid to operate, the potential safety hazard that a spring mechanically hurts people can not occur, the device is small in size and convenient to carry, the size can be perfectly matched with the diameter of the plum blossom contact, and the auxiliary device is suitable for plum blossom contacts of various models.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a circuit breaker contact spring dismouting device, includes erection column, upper cover plate, stop screw and shell, the outside of erection column is provided with the upper cover plate, stop screw runs through the erection column and with erection column screw thread installation, stop screw's bottom is passed through the bearing and is installed down the connecting block, link assembly and shell swing joint are passed through in the outside of connecting block down, the shell is provided with the multiunit, multiunit be provided with down the apron between the shell, but the apron is through concertina hole and shell swing joint down, connecting rod and lower apron fixed mounting are passed through to the bottom of upper cover plate, the intermediate position department of apron is provided with the connecting block down, thereby drives the shell through reciprocating of adjusting stop screw and outwards expands.
The further improvement lies in that: the connecting rod assembly comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are hinged in a crossed mode, one end of the first connecting rod is hinged to the outer wall of the lower connecting block, the other end of the first connecting rod is connected with the sliding groove in a sliding mode, one end of the second connecting rod is hinged to the outer wall of the upper connecting block, and the other end of the second connecting rod is hinged to the inner wall of the shell.
The further improvement lies in that: the upper end of shell articulates there is operating handle, the outer wall of upper cover plate is provided with the assembly groove with operating handle mutual adaptation, is used for putting it into the assembly groove when not using operating handle.
The further improvement lies in that: the shell is provided with four groups and the cross section is a quarter circular structure, four groups the shell concatenation is the whole circle structure, link assembly is provided with eight groups, and is a set of the shell is lapped and is furnished with two sets of link assembly.
The further improvement lies in that: the utility model discloses a plum blossom contact of installing and removing device, including apron, lower apron, pole, spring hook, install and remove the pole and can dismantle two same parts, and fix as an organic whole through spacing bolt, play the fixed action at installation plum blossom contact in-process.
The further improvement lies in that: the upper cover plate is of a conical structure, the top of the limiting screw rod is provided with a knob, and an engineer can conveniently adjust the limiting screw rod through the knob.
The invention has the beneficial effects that: the device for disassembling and assembling the contact spring of the circuit breaker comprises an auxiliary device consisting of an assembly column, an upper cover plate, a limiting screw rod, a shell and a connecting rod assembly, wherein the shell is driven to expand or tighten by adjusting a limiting bolt, so that the device is used for disassembling and assembling the spring on the tulip contact; the auxiliary device is convenient, stable and rapid to operate, the potential safety hazard that a spring mechanically hurts people cannot occur, the device is small in size and convenient to carry, the size can be perfectly matched with the diameter of the plum blossom contact, the auxiliary device is suitable for plum blossom contacts of various models, and the plum blossom contacts cannot fall off in the operation process.
Drawings
FIG. 1 is a front view structural diagram of the present invention.
Fig. 2 is a top view structural diagram of the present invention.
Fig. 3 is a schematic internal view of a top view configuration of the present invention.
Fig. 4 is a schematic diagram of the working principle of the present invention.
Fig. 5 is a side elevation view of the invention assembly and disassembly bar and snap hook.
Wherein: 1. assembling the column; 2. an upper cover plate; 3. a limit screw; 4. a housing; 5. a lower connecting block; 6. a connecting rod assembly; 7. a lower cover plate; 8. a telescopic hole; 9. a connecting rod; 10. an upper connecting block; 11. a first link; 12. a second link; 13. a chute; 14. an operating handle; 15. assembling a groove; 16. fixing a column; 17. assembling and disassembling the rod; 18. a spring hook; 19. a limit bolt; 20. a knob.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1, 2, 3, 4 and 5, the embodiment provides a device for disassembling and assembling a contact spring of a circuit breaker, which comprises an assembly column 1, an upper cover plate 2, a limit screw 3 and a shell 4, an upper cover plate 2 is arranged on the outer side of the assembling column 1, the limit screw 3 penetrates through the assembling column 1 and is in threaded installation with the assembling column 1, the bottom end of the limit screw rod 3 is provided with a lower connecting block 5 through a bearing, the outer side of the lower connecting block 5 is movably connected with the shell 4 through a connecting rod assembly 6, the shell 4 is provided with a plurality of groups, a lower cover plate 7 is arranged between the plurality of groups of shells 4, the lower cover plate 7 is movably connected with the shell 1 through a telescopic hole 8, the bottom of the upper cover plate 2 is fixedly installed with the lower cover plate 7 through the connecting rod 9, the middle position of the lower cover plate 7 is provided with the upper connecting block 10, and the shell 4 is driven to expand outwards through the up-down movement of the adjusting limit screw rod 3.
Be provided with spout 13 on the shell 4, link assembly 6 is including first connecting rod 11 and second connecting rod 12, first connecting rod 11 and second connecting rod 12 cross-hinged, the one end of first connecting rod 11 is articulated with the outer wall of lower connecting block 5, and the other end and spout 13 sliding connection, the one end of second connecting rod 12 is articulated with the outer wall of last connecting block 10, and the other end is articulated with the inner wall of shell 4.
The upper end of the shell 4 is hinged with an operating handle 14, and the outer wall of the upper cover plate 2 is provided with an assembling groove 15 matched with the operating handle 14, and the operating handle 14 is used for being placed in the assembling groove 15 when not used.
The shell 4 is provided with four groups and the cross section is a quarter circular arc structure, four groups the shell 4 is spliced into a full circle structure, the connecting rod assemblies 6 are provided with eight groups, and one group of the shell 4 is matched with two groups of connecting rod assemblies 6.
Lower position department in the middle of apron 7 is provided with fixed column 16 down, the below of fixed column 16 is installed through the screw thread and is installed and remove pole 17, the bottom of installing and removing pole 17 is connected with snap hook 18, install and remove pole 17 can dismantle for two same parts, and fix as an organic whole through spacing bolt 19, play the fixed action at installation plum blossom contact in-process, upper cover plate 2 is conical structure, stop screw 3's top is equipped with knob 20, through knob 20 the engineer of being convenient for adjusts stop screw 3.
The working principle of the breaker contact spring dismounting device is as follows: connecting block 5 reciprocates under driving through rotatory stop screw 3 to make link assembly 6 extend or contract, and then drive four group's shells 4 that are connected with link assembly 6 and outwards expand or contract, because the spring of plum blossom contact is the annular mounting, so the expansion or the contraction of the circular structure of forming through four group's shells 4 make things convenient for the spring of annular assembly to carry out dismouting work on the plum blossom contact.
The method comprises the following steps of assembling contacts of a first 10 kV circuit breaker:
1) the contact pieces of the tulip contact are vertically and orderly arranged around the support frame on the operation plane, and the auxiliary device is sleeved in from the upper part of the contact piece of the tulip contact, so that the lower end of the shell 4 of the auxiliary device is slightly higher than the spring part at the lowest part of the contact piece;
2) the limiting screw 3 is screwed down, so that the shell 4 of the auxiliary device tightens the contact piece around the support frame;
3) the spring is sleeved along the upper cover plate 2, and when the spring moves to the lower end of the upper cover plate 2, 4 operating handles 14 are opened to stretch the spring to be sleeved into the shell 4. Continuing to move the springs down the housing 4 until a first strip of springs is mounted on the contacts;
4) slightly loosening the stop screw 3, moving the auxiliary device up to the second spring mounting and tightening the stop screw 3. 4 springs are sequentially arranged, and the quincuncial contact is assembled.
The contact decomposition steps of the second function 10 kV breaker are as follows:
1) vertically placing the tulip contact on an operation plane, and sleeving an auxiliary device from the upper part of the tulip contact, so that the lower end of a shell 4 of the auxiliary device is slightly higher than the position of a spring at the lowest part of a contact sheet;
2) screwing down the limit screw 3 to enable the auxiliary device shell 4 to tighten the plum blossom contact;
3) the lower end assembling and disassembling rod 17 is disassembled, a limiting bolt 19 on the lower end assembling and disassembling rod 17 is screwed down, the lower end assembling and disassembling rod 17 is divided into two parts, and a spring draw hook 18 is used for disassembling the spring at the bottom;
4) slightly loosening the limit screw 3, moving the auxiliary device upwards to the second spring mounting position and screwing the limit screw 3; and 4 springs are sequentially removed, and the disassembly of the tulip contact is completed.
The contact installation steps of the three-function 10 kV circuit breaker are as follows:
1) sleeving the auxiliary device to a first section of spring at the front end of the tulip contact, and tightening the limiting screw 3 to tighten the shell 4 of the auxiliary device;
2) continuously screwing the limit screw 3 to enable the front end of the tulip contact to be slightly tightened inwards, so that the rear end of the tulip contact is slightly opened;
3) slowly pushing the rear end of the tulip contact into the annular groove at the front end of the contact arm, and unscrewing the limiting screw 3 to take off the auxiliary device after the tulip contact is in place, so that the installation of the tulip contact is completed.
The method for disassembling the contact of the four-10 kV circuit breaker comprises the following steps:
1) sleeving the auxiliary device to a first section of spring at the front end of the tulip contact, and screwing the limiting screw 3 to tighten the shell of the auxiliary device;
2) continuously screwing the limit screw 3 to enable the front end of the tulip contact to be slightly tightened inwards, so that the rear end of the tulip contact is slightly opened;
3) slowly sliding the plum blossom contact out of the annular groove at the front end of the contact arm, and unscrewing the limiting screw to take off the auxiliary device after the plum blossom contact is separated from the contact arm, so that the disassembly of the plum blossom contact is completed.
The disassembly and assembly device for the contact spring of the circuit breaker is an auxiliary device consisting of an assembly column 1, an upper cover plate 2, a limiting screw rod 3, a shell 4 and a connecting rod assembly 6, the shell 4 is driven to expand or tighten by adjusting the limiting bolt 3, so that the disassembly and assembly device is used for disassembling and assembling the spring on the tulip contact, compared with a conventional disassembly and assembly method, the special disassembly and assembly device saves more manpower and material resources, and does not damage a silvered layer of the tulip contact in a replacement process; the auxiliary device is convenient, stable and rapid to operate, the potential safety hazard that a spring mechanically hurts people cannot occur, the device is small in size and convenient to carry, the size can be perfectly matched with the diameter of the plum blossom contact, the auxiliary device is suitable for plum blossom contacts of various models, and the plum blossom contacts cannot fall off in the operation process.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a circuit breaker contact spring dismouting device which characterized in that: the assembling column comprises an assembling column (1), an upper cover plate (2), limiting screw rods (3) and a shell (4), wherein the upper cover plate (2) is arranged on the outer side of the assembling column (1), the limiting screw rods (3) penetrate through the assembling column (1) and are in threaded installation with the assembling column (1), lower connecting blocks (5) are installed at the bottom ends of the limiting screw rods (3) through bearings, the outer sides of the lower connecting blocks (5) are movably connected with the shell (4) through connecting rod assemblies (6), a plurality of groups of the shell (4) are arranged, lower cover plates (7) are arranged among the plurality of groups of the shell (4), the lower cover plates (7) are movably connected with the shell (1) through telescopic holes (8), the bottom of the upper cover plate (2) is fixedly installed with the lower cover plates (7) through connecting rods (9), and upper connecting blocks (10) are arranged at the middle positions of the lower cover, the shell (4) is driven to expand outwards by adjusting the up-and-down movement of the limit screw (3).
2. The apparatus for disassembling and assembling a contact spring of a circuit breaker according to claim 1, wherein: be provided with spout (13) on shell (4), link assembly (6) are including first connecting rod (11) and second connecting rod (12), first connecting rod (11) and second connecting rod (12) cross-hinged, the one end of first connecting rod (11) is articulated with the outer wall of lower connecting block (5), the other end and spout (13) sliding connection, the one end of second connecting rod (12) is articulated with the outer wall of last connecting block (10), and the other end is articulated with the inner wall of shell (4).
3. The apparatus for disassembling and assembling a contact spring of a circuit breaker according to claim 1, wherein: the upper end of shell (4) articulates there is operating handle (14), the outer wall of upper cover plate (2) is provided with assembly groove (15) with operating handle (14) mutual adaptation, is used for putting it into assembly groove (15) when not using operating handle (14).
4. The apparatus for disassembling and assembling a contact spring of a circuit breaker according to claim 1, wherein: the shell (4) is provided with four groups and the cross section is a quarter circular arc structure, the shell (4) is spliced into a whole circle structure, the connecting rod assemblies (6) are provided with eight groups, and one group is matched with the shell (4) to form two groups of connecting rod assemblies (6).
5. The apparatus for disassembling and assembling a contact spring of a circuit breaker according to claim 1, wherein: lower position department in the middle of apron (7) is provided with fixed column (16), install and remove pole (17) through the screw thread below of fixed column (16), the bottom of installing and removing pole (17) is connected with snap hook (18), install and remove pole (17) and can dismantle for two same parts, and fix as an organic whole through spacing bolt (19), play fixed action at installation plum blossom contact in-process.
6. The apparatus for disassembling and assembling a contact spring of a circuit breaker according to claim 1, wherein: upper cover plate (2) are conical structure, the top of stop screw (3) is equipped with knob (20), through knob (20) are convenient for the engineer to adjust stop screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457328.8A CN112454274A (en) | 2020-12-10 | 2020-12-10 | Breaker contact spring dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457328.8A CN112454274A (en) | 2020-12-10 | 2020-12-10 | Breaker contact spring dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112454274A true CN112454274A (en) | 2021-03-09 |
Family
ID=74800753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011457328.8A Pending CN112454274A (en) | 2020-12-10 | 2020-12-10 | Breaker contact spring dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112454274A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777363A (en) * | 2021-08-24 | 2021-12-10 | 国网福建省电力有限公司南安市供电公司 | Variable-diameter pre-compression special joint for loop resistance test and working method thereof |
| CN114888758A (en) * | 2022-06-06 | 2022-08-12 | 国网山东省电力公司平邑县供电公司 | Contact finger spring replacer for indoor vacuum circuit breaker |
| CN116632703A (en) * | 2023-06-06 | 2023-08-22 | 国网山东省电力公司临清市供电公司 | Handcart-type switch contact replacement tool |
-
2020
- 2020-12-10 CN CN202011457328.8A patent/CN112454274A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777363A (en) * | 2021-08-24 | 2021-12-10 | 国网福建省电力有限公司南安市供电公司 | Variable-diameter pre-compression special joint for loop resistance test and working method thereof |
| CN114888758A (en) * | 2022-06-06 | 2022-08-12 | 国网山东省电力公司平邑县供电公司 | Contact finger spring replacer for indoor vacuum circuit breaker |
| CN114888758B (en) * | 2022-06-06 | 2024-01-30 | 国网山东省电力公司平邑县供电公司 | Indoor vacuum circuit breaker contact finger spring dismounting device |
| CN116632703A (en) * | 2023-06-06 | 2023-08-22 | 国网山东省电力公司临清市供电公司 | Handcart-type switch contact replacement tool |
| CN116632703B (en) * | 2023-06-06 | 2024-03-29 | 国网山东省电力公司临清市供电公司 | Handcart-type switch contact replacement tool |
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