CN210010896U - Gear shifting tool of dry type transformer - Google Patents
Gear shifting tool of dry type transformer Download PDFInfo
- Publication number
- CN210010896U CN210010896U CN201920924435.3U CN201920924435U CN210010896U CN 210010896 U CN210010896 U CN 210010896U CN 201920924435 U CN201920924435 U CN 201920924435U CN 210010896 U CN210010896 U CN 210010896U
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- sleeve
- plate
- spring
- baffle
- gear shifting
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Abstract
The utility model relates to a gear shifting instrument of dry-type transformer belongs to transformer fortune dimension and overhauls technical field. The technical scheme is as follows: the left side and the right side of the connecting plate are both fixedly provided with circular cylinders (11), bearings (3) are arranged in the circular cylinders, the sleeve adapter (4) is fixed in the bearings (3), the rear end of the sleeve adapter (4) is provided with a T-shaped handle (5), and the front end of the sleeve adapter (4) is provided with a first sleeve (6); the lower end of the connecting plate is vertically provided with a baffle plate slideway frame (9), the clamping plate (72) is positioned in front of the baffle plate slideway frame (9), the sliding bottom plate (71) penetrates through the baffle plate slideway frame (9), the spring fixing plate (73) is positioned behind the baffle plate slideway frame (9), and the spring (10) is arranged between the spring fixing plate (73) and the baffle plate slideway frame (9). The utility model discloses an actively the effect: can effectively avoid bolt, gasket and the unexpected landing of shift connection piece, make the dismouting of shift connection piece more convenient simultaneously, improve work efficiency.
Description
Technical Field
The utility model relates to a gear shifting instrument of dry-type transformer belongs to transformer fortune dimension and overhauls technical field.
Background
In the running dry-type transformer, the low-voltage side voltage is too high or too low, which can cause adverse effect on the load, at the moment, the gear of the transformer needs to be manually adjusted to ensure that the low-voltage side voltage is maintained in a normal range, and the overhaul test of the dry-type transformer also involves frequent gear shifting operation.
The traditional dry type transformer gear shifting is that bolts on two sides of a gear shifting connecting sheet are firstly disassembled by a wrench, then the gear shifting connecting sheet is moved to the middle of a target tap, and bolts are inserted and fastened on two sides to achieve the purpose of gear shifting. When the bolt is disassembled/assembled, the bolt, the gasket and the gear shifting connecting sheet are easy to be disengaged to drop, most transformer chambers are narrow, the bolt, the gasket and the gear shifting connecting sheet are difficult to pick up, and potential safety hazards can exist when the bolt, the gasket and the gear shifting connecting sheet are not taken out in time once the bolt, the gasket and the gear shifting connecting sheet fall into a cooling fan cover at the bottom of a transformer.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shifting instrument of dry-type transformer when carrying out the operation of shifting gears to dry-type transformer, can effectively avoid bolt, gasket and the unexpected landing of connection piece of shifting gears, makes the dismouting of connection piece of shifting gears more convenient simultaneously, improves work efficiency, solves the above-mentioned problem that the background art exists.
The technical scheme of the utility model is that:
a gear shifting tool of a dry-type transformer comprises a connecting plate, a bearing, a sleeve adapter, a T-shaped handle, a first sleeve, a spring baffle, a baffle slide way frame, a spring and a ring cylinder, wherein the ring cylinder is fixedly arranged on the left side and the right side of the connecting plate, the bearing is arranged in the ring cylinder, the sleeve adapter is fixed in the bearing, the T-shaped handle is arranged at the rear end of the sleeve adapter, and the first sleeve is arranged at the front end of the sleeve adapter; the lower extreme of even board is equipped with baffle slide frame perpendicularly, spring baffle is by sliding bottom plate, clamp plate and spring fixation board are constituteed, clamp plate and spring fixation board set up both ends around sliding bottom plate perpendicularly respectively, the clamp plate is located the front of baffle slide frame, sliding bottom plate runs through baffle slide frame, spring fixation board is located the back of baffle slide frame, the spring setting is between spring fixation board and baffle slide frame, the rear end of spring is fixed on spring fixation board, the front end and the baffle slide frame of spring contact.
The connecting plate is telescopic and comprises an adjusting plate and an outer sleeve, a plurality of adjusting holes are formed in the positions, corresponding to the adjusting plate and the outer sleeve, of the adjusting plate respectively, the adjusting plate is inserted into the outer sleeve, and the adjusting plate and the outer sleeve are locked through a claw butterfly bolt.
The T-shaped handle consists of a handle and a square sleeve head which are mutually connected, and the sleeve adapter consists of a second sleeve and an inserting sleeve head which are mutually connected; the square sleeve head of the T-shaped handle is embedded into the second sleeve of the sleeve adapter and is welded and fixed; the plug-in sleeve head of the sleeve adapter is inserted into the first sleeve.
The baffle plate slide rail frame is provided with a slide rail, the sliding bottom plate penetrates through the slide rail, and the spring baffle plate can move back and forth along the slide rail.
The square sleeve head part of the T-shaped handle is embedded into the second sleeve.
The outer ring of the bearing is welded on the inner wall of the circular ring cylinder, and the inner ring of the bearing is welded with the sleeve adapter.
The gear shifting connecting piece is arranged between the clamping plate of the spring baffle and the two first sleeves, and the two gear shifting bolts are respectively matched with the corresponding first sleeves.
The spring fixing plate is an arc-shaped plate.
The clamping plate, the spring fixing plate and the baffle plate slideway frame are arranged in parallel.
The circular cylinder, the connecting plate and the baffle plate slideway frame form a main body device. The bearing, the sleeve adapter, the T-shaped handle and the first sleeve form a transmission device. The spring and the spring baffle constitute a movable clamping device.
The disassembling and assembling method comprises the following steps:
the disassembling process comprises the following steps:
① pushing spring fixing plate of spring baffle plate by hand to deform the spring, the spring baffle plate moving forward and generating distance with the plane of front ends of two first sleeves;
② maintaining the compression state of the spring, aligning the two first sleeves with the corresponding shift bolts, respectively, and ensuring that the shift lug is between the clamping plate of the spring retainer and the two first sleeves;
③ loosening the spring fixing plate of the spring baffle plate, and clamping the shift connecting plate by the resilience force of the spring;
④ the T-shaped handle is rotated, the first sleeve drives the gear shifting bolt to rotate until the two gear shifting bolts are separated from the transformer tap, and the dismounting process is completed;
the installation process comprises the following steps:
① adjusting the angle of the shift tool to make the shift bolts in the two first sleeves align with the corresponding taps of the target transformer;
② the T-shaped handle is rotated, the first sleeve drives the gear shifting bolt to rotate until the two gear shifting bolts completely enter the corresponding target transformer taps;
③ pushing the spring fixing plate of the spring baffle plate by hand to move the spring baffle plate forward, taking down the gear shifting tool and releasing the spring fixing plate of the spring baffle plate to restore the original state, and completing the installation.
In the dismounting process or the mounting process, if the force generated by rotating the T-shaped handle by hand does not satisfy the dismounting or mounting of the gear shifting bolt, the wrench can be clamped at the non-embedded part of the square sleeve head of the T-shaped handle to apply force, and the dismounting or mounting of the gear shifting bolt is completed in a matching way.
The utility model discloses an actively the effect: 1. during gear shifting operation, the gear shifting bolt and the gear shifting connecting sheet are taken as a whole to be detached and installed in a target gear, so that accidental slipping of the gear shifting bolt and the gear shifting connecting sheet can be effectively avoided, and potential safety hazards caused by the fact that the gear shifting bolt and the gear shifting connecting sheet fall into a cooling fan cover of a transformer are eliminated; 2. when the tool is disassembled and assembled, the two handles of the tool can rotate simultaneously, and the two bolts are disassembled/assembled synchronously, so that the tool is more convenient and faster compared with the traditional disassembling and assembling mode; 3. the connecting plate of the device is of a telescopic structure, the first sleeve is of a detachable structure, the tool can be suitable for dry-type transformers of different models due to the design, and the tool can be used for other similar mechanical operation requirements and has universality.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a side view of the present invention;
fig. 4 is a perspective view of the present invention;
fig. 5 is a schematic structural diagram of the main body device of the present invention;
fig. 6 is a schematic structural view of the mobile clamping device of the present invention;
FIG. 7 is a schematic structural view of the claw butterfly bolt of the present invention;
FIG. 8 is a schematic view of the transmission of the present invention;
fig. 9 is an exploded view of the T-shaped handle, the sleeve adapter, and the first sleeve of the present invention;
fig. 10 is a schematic view of the bearing structure of the present invention;
FIG. 11 is a view showing the operation state of the present invention before the shift bolt is removed;
fig. 12 is a working state diagram of the present invention when the shift bolt is disassembled;
FIG. 13 is a cross-sectional view of the present invention in operation;
in the figure: adjusting plate 1, goat's horn butterfly bolt 2, bearing 3, sleeve adapter 4, second sleeve 41, grafting pullover 42, T type handle 5, handle 51, square pullover 52, first sleeve 6, spring baffle 7, sliding bottom plate 71, clamp plate 72, spring fixed plate 73, overcoat 8, baffle slide frame 9, spring 10, ring section of thick bamboo 11, shift bolt 12, shift connection piece 13.
Detailed Description
The invention is further described with reference to the following figures and examples:
a gear shifting tool of a dry-type transformer comprises a connecting plate, a bearing 3, a sleeve adapter 4, a T-shaped handle 5, a first sleeve 6, a spring baffle 7, a baffle slide way frame 9, a spring 10 and a ring barrel 11, wherein the ring barrel 11 is fixedly arranged on the left side and the right side of the connecting plate, the bearing 3 is arranged in the ring barrel, the sleeve adapter 4 is fixed in the bearing 3, the T-shaped handle 5 is arranged at the rear end of the sleeve adapter 4, and the first sleeve 6 is arranged at the front end of the sleeve adapter 4; the lower end of the connecting plate is vertically provided with a baffle slide way frame 9, the spring baffle 7 is composed of a sliding bottom plate 71, a clamping plate 72 and a spring fixing plate 73, the clamping plate 72 and the spring fixing plate 73 are respectively vertically arranged at the front end and the rear end of the sliding bottom plate 71, the clamping plate 72 is positioned in front of the baffle slide way frame 9, the sliding bottom plate 71 penetrates through the baffle slide way frame 9, the spring fixing plate 73 is positioned behind the baffle slide way frame 9, the spring 10 is arranged between the spring fixing plate 73 and the baffle slide way frame 9, the rear end of the spring 10 is fixed on the spring fixing plate 73, and the front end of the spring 10 is contacted with the baffle slide way.
Even the board is the telescopic, comprises regulating plate 1 and overcoat 8, is equipped with a plurality of regulation holes respectively on regulating plate 1 and the corresponding position of overcoat 8, and regulating plate 1 inserts and sets up in overcoat 8, and regulating plate 1 and overcoat 8 are through the locking of goat's horn butterfly bolt 2.
The T-shaped handle 5 consists of a handle 51 and a square sleeve head 52 which are connected with each other, and the sleeve adapter 4 consists of a second sleeve 41 and an insertion sleeve head 42 which are connected with each other; the square sleeve head 52 of the T-shaped handle 5 is embedded into the second sleeve 41 of the sleeve adapter 4 and is welded and fixed; the spigot collar 42 of the sleeve adapter 4 is inserted into the first sleeve 6.
The baffle plate slideway frame 9 is provided with a slideway, the sliding bottom plate 71 penetrates through the slideway, and the spring baffle plate 7 can move back and forth along the slideway.
The square socket 52 of the T-shaped handle 5 is partially embedded in the second sleeve 41.
The outer ring of the bearing 3 is welded on the inner wall of the circular ring cylinder 11, and the inner ring of the bearing 3 is welded with the sleeve adapter 4.
The gear shifting device further comprises a gear shifting connecting piece 13 and two gear shifting bolts 12, wherein the gear shifting connecting piece 13 is arranged between the clamping plate 72 of the spring baffle 7 and the two first sleeves 6, and the two gear shifting bolts 12 are respectively matched with the corresponding first sleeves 6.
The spring fixing plate 73 is an arc-shaped plate.
The clamping plate 72, the spring fixing plate 73 and the baffle slide frame 9 are arranged in parallel with each other.
The disassembling and assembling method comprises the following steps:
the disassembling process comprises the following steps:
① pushing the spring fixing plate 73 of the spring baffle 7 by hand to deform the spring 10, so that the spring baffle 7 moves forward and is spaced from the plane of the front ends of the two first sleeves 6;
② maintaining the compression of the spring 10, aligning the two first sleeves 6 with the respective gearshift bolts 12 and ensuring that the gearshift lug 13 is between the clamping plate 72 of the spring bezel 7 and the two first sleeves 6;
③, the spring fixing plate 73 of the spring baffle 7 is loosened, and the shift link 13 is clamped by the resilience force of the spring 10;
④, the T-shaped handle 5 is rotated, the first sleeve 6 drives the gear shifting bolt 12 to rotate until the two gear shifting bolts 12 are separated from the transformer tap, and the dismounting process is completed;
the installation process comprises the following steps:
①, adjusting the angle of the gear shifting tool to make the gear shifting bolts 12 in the two first sleeves 6 respectively align with the corresponding target transformer taps;
②, the T-shaped handle 5 is rotated, the first sleeve 6 drives the shift bolts 12 to rotate until the two shift bolts 12 completely enter the corresponding target transformer taps;
③ the spring fixing plate 73 of the spring baffle plate 7 is pushed by hand to move the spring baffle plate 7 forward, the gear shifting tool is taken down and the spring fixing plate 73 of the spring baffle plate 7 is released to restore the initial state, and the installation is completed.
In the dismounting process or the mounting process, if the force generated by rotating the T-shaped handle 5 by hand does not satisfy the dismounting or mounting of the gear shifting bolt 12, a spanner can be used for clamping the non-embedded part of the square sleeve head of the T-shaped handle 5 to apply force, and the dismounting or mounting of the gear shifting bolt 12 is completed in a matching way.
The embodiment is as follows with reference to the attached drawings 1-13:
as shown in fig. 1-4, the utility model relates to a gear shifting tool of dry-type transformer, which comprises a connecting plate, a bearing 3, a sleeve adapter 4, a T-shaped handle 5, a first sleeve 6, a spring baffle 7, a baffle slide frame 9, a spring 10 and a ring cylinder 11.
As shown in fig. 5, the telescopic connecting plate (composed of the adjusting plate 1 and the outer sleeve 8), the baffle plate slideway frame 9 and the circular cylinder 11 form the main body part of the tool;
the telescopic link plate left and right sides respectively is equipped with a ring section of thick bamboo 11 and is used for welding bearing 3, has welded baffle slide frame 9 below the link plate, and the mechanical structure of link plate is similar to slide caliper, and the different length of cooperation goat's horn butterfly bolt 2 adaptation connecting piece that keeps off.
As shown in fig. 6, the spring 10 and the spring retainer 7 constitute a moving clamp. The sliding bottom plate of the spring baffle 7 is arranged in the slide way of the baffle slide way frame 9, and when the gear shifting connecting piece works, the clamping plate of the spring baffle 7 is matched with the two first sleeves to clamp the gear shifting connecting piece.
As shown in fig. 7, the claw wing bolt 2 includes a claw wing nut, a bolt and a washer for fixing the adjusting plate 1 and the outer sleeve 8. During the in-service use, the user can be according to the shift connection piece length that work relates to, adjust fixed regulating plate 1 and overcoat 8 corresponding regulation hole in advance to utilize goat's horn butterfly bolt 2 to die it. If the gear shifting connecting pieces with various lengths are involved, scale marks can be made on corresponding positions of the fixed adjusting plate 1 and the outer sleeve 8 in advance, and daily use is facilitated.
As shown in fig. 8, the bearing 3, the sleeve adapter 4, the T-shaped handle 5 and the first sleeve 6 form a transmission device, and the two sets of transmission devices are arranged in the circular cylinders at two sides of the main body device.
And the outer ring of the bearing 3 is welded on the inner wall of the circular ring cylinder.
The sleeve adapter 4 is welded on the inner ring of the bearing 3, the square sleeve head 52 part of the T-shaped handle 5 is embedded into the second sleeve 41 and is welded and fixed, and the non-embedded part protrudes out of the bottom surface of the second sleeve 41 by 1.5cm, so that the sleeve adapter is convenient to be matched and operated by tools such as a wrench and the like when necessary. When in use, the two T-shaped handles 5 can rotate simultaneously or independently.
The plug-in sleeve head 42 of the sleeve adapter 4 is plugged in the first sleeve 6. Can correspond according to the shift bolt of different models and change different first sleeve 6, the diameter scope of shift bolt is 9mm-27mm, the utility model discloses a shift bolt of most dry-type transformer of first sleeve adaptation. If the model of the shift bolt is not in the adaptation scope of the first sleeve 6 that uses at that time, or the actual operating space is narrow during operation, the longer condition such as inconvenient operation that leads to of the length of first sleeve 6 can be dismantled and the first sleeve of corresponding model is pegged graft with it.
Claims (8)
1. A gear shifting tool of a dry type transformer is characterized in that: the novel bearing comprises a connecting plate, bearings (3), a sleeve adapter (4), a T-shaped handle (5), a first sleeve (6), a spring baffle (7), a baffle slide frame (9), a spring (10) and a ring cylinder (11), wherein the ring cylinder (11) is fixedly arranged on the left side and the right side of the connecting plate, the bearings (3) are arranged in the ring cylinder, the sleeve adapter (4) is fixed in the bearings (3), the T-shaped handle (5) is arranged at the rear end of the sleeve adapter (4), and the first sleeve (6) is arranged at the front end of the sleeve adapter (4); the lower end of the connecting plate is vertically provided with a baffle slide way frame (9), the spring baffle (7) is composed of a sliding bottom plate (71), a clamping plate (72) and a spring fixing plate (73), the clamping plate (72) and the spring fixing plate (73) are respectively vertically arranged at the front end and the rear end of the sliding bottom plate (71), the clamping plate (72) is positioned in front of the baffle slide way frame (9), the sliding bottom plate (71) penetrates through the baffle slide way frame (9), the spring fixing plate (73) is positioned behind the baffle slide way frame (9), a spring (10) is arranged between the spring fixing plate (73) and the baffle slide way frame (9), the rear end of the spring (10) is fixed on the spring fixing plate (73), and the front end of the spring (10) is contacted with the baffle slide way frame (9).
2. A shifting tool for a dry-type transformer according to claim 1, wherein: even the board is the telescopic, comprises regulating plate (1) and overcoat (8), is equipped with a plurality of regulation holes on regulating plate (1) and the corresponding position of overcoat (8) respectively, and regulating plate (1) inserts and sets up in overcoat (8), and regulating plate (1) and overcoat (8) are locked through goat's horn butterfly bolt (2).
3. A shifting tool for a dry-type transformer according to claim 1 or 2, wherein: the T-shaped handle (5) consists of a handle (51) and a square sleeve head (52) which are connected with each other, and the sleeve adapter (4) consists of a second sleeve (41) and an inserting sleeve head (42) which are connected with each other; the square sleeve head (52) of the T-shaped handle (5) is embedded into the second sleeve (41) of the sleeve adapter (4) and is welded and fixed; the plug-in sleeve head (42) of the sleeve adapter (4) is inserted into the first sleeve (6).
4. A shifting tool for a dry-type transformer according to claim 1 or 2, wherein: the baffle plate slide rail frame (9) is provided with a slide rail, the sliding bottom plate (71) penetrates through the slide rail, and the spring baffle plate (7) can move back and forth along the slide rail.
5. A shifting tool for a dry-type transformer according to claim 3, wherein: the square sleeve head (52) of the T-shaped handle (5) is partially embedded into the second sleeve (41).
6. A shifting tool for a dry-type transformer according to claim 1 or 2, wherein: the outer ring of the bearing (3) is welded on the inner wall of the circular ring cylinder (11), and the inner ring of the bearing (3) is welded with the sleeve adapter (4).
7. A shifting tool for a dry-type transformer according to claim 1 or 2, wherein: the gear shifting device is characterized by further comprising a gear shifting connecting piece (13) and two gear shifting bolts (12), wherein the gear shifting connecting piece (13) is arranged between a clamping plate (72) of the spring baffle (7) and the two first sleeves (6), and the two gear shifting bolts (12) are respectively matched with the corresponding first sleeves (6).
8. A shifting tool for a dry-type transformer according to claim 1 or 2, wherein: the spring fixing plate (73) is an arc-shaped plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924435.3U CN210010896U (en) | 2019-06-19 | 2019-06-19 | Gear shifting tool of dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924435.3U CN210010896U (en) | 2019-06-19 | 2019-06-19 | Gear shifting tool of dry type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210010896U true CN210010896U (en) | 2020-02-04 |
Family
ID=69319249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920924435.3U Withdrawn - After Issue CN210010896U (en) | 2019-06-19 | 2019-06-19 | Gear shifting tool of dry type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210010896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076712A (en) * | 2019-06-19 | 2019-08-02 | 国网冀北电力有限公司唐山供电公司 | A kind of the gear shift tool and its application method of dry-type transformer |
-
2019
- 2019-06-19 CN CN201920924435.3U patent/CN210010896U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076712A (en) * | 2019-06-19 | 2019-08-02 | 国网冀北电力有限公司唐山供电公司 | A kind of the gear shift tool and its application method of dry-type transformer |
| CN110076712B (en) * | 2019-06-19 | 2023-06-09 | 国网冀北电力有限公司唐山供电公司 | Gear shifting tool of dry type transformer and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200204 Effective date of abandoning: 20230609 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200204 Effective date of abandoning: 20230609 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |