CN111463689A - Distribution transformer hangs core and overhauls specialized tool - Google Patents
Distribution transformer hangs core and overhauls specialized tool Download PDFInfo
- Publication number
- CN111463689A CN111463689A CN201911224909.4A CN201911224909A CN111463689A CN 111463689 A CN111463689 A CN 111463689A CN 201911224909 A CN201911224909 A CN 201911224909A CN 111463689 A CN111463689 A CN 111463689A
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- China
- Prior art keywords
- lifting rod
- notch
- rod
- lifting
- hinge hole
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
Abstract
The invention belongs to the technical field of distribution transformer overhauling equipment, and particularly relates to a special tool for overhauling a suspension core of a distribution transformer, which comprises a left first supporting seat, a right first supporting seat, two supporting blocks, two lifting mechanisms and a second supporting rod, wherein the left first supporting seat and the right first supporting seat extend along the front-back direction; the two supporting blocks are respectively arranged at the top ends of the two first supporting seats; the two lifting mechanisms are respectively arranged at the top ends of the two supporting blocks; the two ends of the second supporting rod are respectively fixed at the top ends of the two lifting mechanisms, a first connecting ring is arranged in the middle of the bottom of the second supporting rod, and a hanging rod which is sleeved with the first connecting ring is arranged at the bottom of the first connecting ring. The invention mainly solves the problem that the existing distribution transformer hanging core maintenance tool cannot adapt to various operating environments, and has the characteristics of simple structure, convenience in disassembly and assembly and convenience in movement.
Description
Technical Field
The invention belongs to the technical field of distribution transformer overhauling equipment, and particularly relates to a special tool for overhauling a suspension core of a distribution transformer.
Background
At present, a common distribution transformer is of an S11-200KVA type, the installation mode is a rack or a bench pier, because a low-voltage conducting rod of the S11-200KVA is only a phi 12m square meter, and a low-voltage terminal is not fastened during overload or installation, the conducting rod is burnt or rubber beads are hardened and leaked, and the like, the continuous use is required to be stopped, after distribution transformer repair, the hanging core needs to be repaired through site survey.
Therefore, a simple disassembling tool for the distribution transformation hoisting core, which can adapt to different operation sites, is urgently needed to be designed. Chinese patent publication No. CN209313276U discloses a special overhaul frame for a fast-assembling distribution transformer suspended core, which includes two first supporting seats extending in the front-rear direction, four first supporting rods extending in the vertical direction, two second supporting seats extending in the front-rear direction, one second supporting rod extending in the left-right direction, and a hoisting ring penetrating through the second supporting rod, wherein the hoisting ring has an adjustable central degree, and the width between the two second supporting seats is adjusted. However, the height of the first support rod cannot be adjusted, so that the problem of low efficiency still exists in the hoisting process.
Disclosure of Invention
The invention aims to provide a special tool for overhauling a distribution transformer hanging core, which mainly solves the problem that the existing tool for overhauling the distribution transformer hanging core cannot adapt to various operating environments.
In order to achieve the purpose, the invention designs a special tool for overhauling a suspension core of a distribution transformer, which comprises a left support block, a right support block, two lifting mechanisms and a second support rod, wherein the first support block and the second support block extend along the front-back direction; the two supporting blocks are respectively arranged at the top ends of the two first supporting seats; the two lifting mechanisms are respectively arranged at the top ends of the two supporting blocks; the two ends of the second supporting rod are respectively fixed at the top ends of the two lifting mechanisms, a first connecting ring is arranged in the middle of the bottom of the second supporting rod, and a hanging rod which is sleeved with the first connecting ring is arranged at the bottom of the first connecting ring.
Preferably, the lifting mechanism comprises a top seat and a base which are arranged correspondingly up and down, and a first lifting rod, a second lifting rod, a third lifting rod and a fourth lifting rod which are arranged between the top seat and the base, wherein the bottom end of the first lifting rod is hinged with the bottom end of the second lifting rod through a pin shaft and the front end and the rear end of the base respectively, and the top end of the third lifting rod is hinged with the top end of the fourth lifting rod through a pin shaft and the front end and the rear end of the top seat respectively;
the bottom end of the third lifting rod is provided with a first notch and a first hinge hole, the left side and the right side of the first hinge hole are correspondingly arranged on the third lifting rod at two ends of the first notch, the top end of the first lifting rod is provided with a second notch and a second hinge hole, the left side and the right side of the second hinge hole are correspondingly arranged on the first lifting rod at two ends of the second notch, the bottom end of the third lifting rod is hinged with the top end of the first lifting rod through two pin shafts arranged in the first hinge hole and the second hinge hole in a penetrating manner, a first fixing head is arranged in a space formed by the first notch and the second notch, and the two pin shafts at the left side and the right side are respectively penetrated to two ends of the first fixing head;
a third notch and a third hinge hole are formed in the bottom end of the fourth lifting rod, the left side and the right side of the third hinge hole are correspondingly arranged on the fourth lifting rod at two ends of the third notch, a fourth notch and a fourth hinge hole are formed in the top end of the second lifting rod, the left side and the right side of the fourth hinge hole are correspondingly arranged on the second lifting rod at two ends of the notch, the bottom end of the fourth lifting rod is hinged with the top end of the second lifting rod through two pin shafts penetrating into the third hinge hole and the fourth hinge hole, a second fixing head is arranged in a space formed by the third notch and the fourth notch, and the two pin shafts on the left side and the right side penetrate into two ends of the second fixing head respectively;
first screw hole has been seted up along the fore-and-aft direction to first fixed head, and second screw through-hole has all been seted up along the fore-and-aft direction to the second fixed head, and is connected first fixed head and second fixed head through wearing to locate the screw rod in second screw through-hole and the first screw hole.
Further preferably, a clamping groove used for clamping the second supporting rod is formed in the top end of the top seat.
Preferably, the front end of the first fixing head extends out of the first hinge notch, and a protective cover is arranged at the front end of the first fixing head.
Further preferably, the second support bar is a channel steel with an upward notch.
The invention has the beneficial effects that:
the device can take out the hoisting core without using a forklift, a crane or other mechanical equipment in construction, can ensure quality and quantity to finish tasks under the conditions of reducing the labor intensity of constructors and ensuring safety, can realize the lifting of the top seat and the second supporting rod through the lifting mechanism, can realize the height adjustment of the lifting mechanism only by rotating the screw rod, and is convenient to place on the top of the distribution transformer integrally. The invention has the characteristics of simple structure, convenient disassembly and assembly and convenient movement.
Drawings
FIG. 1 is a schematic structural view of a distribution transformer core suspension overhaul special tool;
fig. 2 is a schematic view of the distribution transformer hanging core being hung out using the distribution transformer hanging core overhaul dedicated tool.
Detailed Description
The invention will be described in further detail below with reference to the drawings, but the scope of the invention is not limited thereto.
Example 1
As shown in fig. 1-2, a distribution transformer suspended core overhaul special tool comprises a left support block 1 and a right support block 2 which extend along the front-back direction, two lifting mechanisms and a second support rod 8 which extends along the left-right direction; in the embodiment, the second support rod 8 is a channel steel with an upward notch; the two supporting blocks 2 are respectively arranged at the top ends of the two first supporting seats 1; the two lifting mechanisms are respectively arranged at the top ends of the two supporting blocks 2; two ends of the second support rod 8 are respectively fixed at the top ends of the two lifting mechanisms, a first connecting ring 9 is arranged in the middle of the bottom of the second support rod 8, and a suspender 10 which is sleeved with the first connecting ring 9 is arranged at the bottom of the first connecting ring 9;
the lifting mechanism comprises a top seat 7 and a base 3 which are vertically and correspondingly arranged, and a first lifting rod 31, a second lifting rod 32, a third lifting rod 71 and a fourth lifting rod 72 which are positioned between the top seat 7 and the base 3, wherein the bottom end of the first lifting rod 31 is hinged with the bottom end of the second lifting rod 32 through a pin shaft and the front end and the rear end of the base 3 respectively, and the top end of the third lifting rod 71 is hinged with the top end of the fourth lifting rod 72 through a pin shaft and the front end and the rear end of the top seat 7 respectively;
the bottom end of the third lifting rod 71 is provided with a first notch and a first hinge hole, the left side and the right side of the first hinge hole are correspondingly arranged on the third lifting rod 71 at two ends of the first notch, the top end of the first lifting rod 31 is provided with a second notch and a second hinge hole, the left side and the right side of the second hinge hole are correspondingly arranged on the first lifting rod 31 at two ends of the second notch, the bottom end of the third lifting rod 71 is hinged with the top end of the first lifting rod 31 through two pin shafts arranged in the first hinge hole and the second hinge hole in a penetrating manner, a first fixing head is arranged in a space formed by the first notch and the second notch, and two pin shafts at the left side and the right side are respectively penetrated to two ends of the first fixing head; the front end of the first fixing head extends out of the first notch, and a protective cover 11 is arranged at the front end of the first fixing head;
a third notch and a third hinge hole are formed in the bottom end of the fourth lifting rod 72, the left side and the right side of the third hinge hole correspond to the fourth lifting rod 72 arranged at the two ends of the third notch, a fourth notch and a fourth hinge hole are formed in the top end of the second lifting rod 32, the left side and the right side of the fourth hinge hole correspond to the second lifting rod 32 arranged at the two ends of the fourth notch, the bottom end of the fourth lifting rod 72 is hinged with the top end of the second lifting rod 32 through two pin shafts arranged in the third hinge hole and the fourth hinge hole in a penetrating manner, a second fixing head 12 is arranged in a space formed by the third notch and the fourth notch, and the two pin shafts on the left side and the right side penetrate into the two ends of the second fixing head 12 respectively;
first screw hole has been seted up along the fore-and-aft direction to first fixed head, and second screw through-hole has all been seted up along the fore-and-aft direction to second fixed head 12, and is connected first fixed head and second fixed head 12 through wearing to locate second screw through-hole and the downthehole screw rod 4 of first screw, and the visor of first fixed head front end is used for preventing screw rod 4 excessively from unscrewing forward.
The top end of the top seat 7 is provided with a clamping groove for clamping the second supporting rod 8.
The middle of the bottom of the second support rod 8 is provided with a first connecting ring 9, and the bottom of the first connecting ring 9 is provided with a suspender 10 which is sleeved with the first connecting ring 9.
As shown in fig. 2, in use, the two first supporting seats 1 are respectively placed on the heat dissipation fins at two ends of the distribution transformer 5, and the bottom of the suspension rod 10 is connected with the top end of the suspension core 6 through a rope. In the process of hoisting the hoisting core 6, the screw rod 4 is rotated to reduce the distance between the first fixing head and the second fixing head 12, and meanwhile, the first lifting rod 31, the second lifting rod 32, the third lifting rod 71 and the fourth lifting rod 72 are driven to incline along the vertical direction, so that the footstock 7 is lifted upwards, then the footstock 7 is lifted upwards to the second supporting rod 8, and the hoisting core 6 is lifted through the connection of the suspender 10 and the hoisting core 6.
The invention has reasonable and simple structure, accelerates the repair time of the distribution transformer on-site suspended core and improves the working efficiency.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A distribution transformer suspended core overhauls specialized tool, wherein include two first supporting shoes, two lifting gears and second bracing pieces extending along left and right direction that extend along front and back directions of left and right sides; the two supporting blocks are respectively arranged at the top ends of the two first supporting seats; the two lifting mechanisms are respectively arranged at the top ends of the two supporting blocks; the two ends of the second supporting rod are respectively fixed at the top ends of the two lifting mechanisms, a first connecting ring is arranged in the middle of the bottom of the second supporting rod, and a hanging rod which is sleeved with the first connecting ring is arranged at the bottom of the first connecting ring.
2. The distribution transformer suspended core overhauling special tool according to claim 1, wherein the lifting mechanism comprises a top seat and a base which are correspondingly arranged up and down, and a first lifting rod, a second lifting rod, a third lifting rod and a fourth lifting rod which are positioned between the top seat and the base, wherein the bottom end of the first lifting rod is hinged with the bottom end of the second lifting rod through a pin shaft and the front end and the rear end of the base respectively, and the top end of the third lifting rod is hinged with the top end of the fourth lifting rod through a pin shaft and the front end and the rear end of the top seat respectively;
the bottom end of the third lifting rod is provided with a first notch and a first hinge hole, the left side and the right side of the first hinge hole are correspondingly arranged on the third lifting rod at two ends of the first notch, the top end of the first lifting rod is provided with a second notch and a second hinge hole, the left side and the right side of the second hinge hole are correspondingly arranged on the first lifting rod at two ends of the second notch, the bottom end of the third lifting rod is hinged with the top end of the first lifting rod through two pin shafts arranged in the first hinge hole and the second hinge hole in a penetrating manner, a first fixing head is arranged in a space formed by the first notch and the second notch, and the two pin shafts at the left side and the right side are respectively penetrated to two ends of the first fixing head;
a third notch and a third hinge hole are formed in the bottom end of the fourth lifting rod, the left side and the right side of the third hinge hole are correspondingly arranged on the fourth lifting rod at two ends of the third notch, a fourth notch and a fourth hinge hole are formed in the top end of the second lifting rod, the left side and the right side of the fourth hinge hole are correspondingly arranged on the second lifting rod at two ends of the notch, the bottom end of the fourth lifting rod is hinged with the top end of the second lifting rod through two pin shafts penetrating into the third hinge hole and the fourth hinge hole, a second fixing head is arranged in a space formed by the third notch and the fourth notch, and the two pin shafts on the left side and the right side penetrate into two ends of the second fixing head respectively;
first screw hole has been seted up along the fore-and-aft direction to first fixed head, and second screw through-hole has all been seted up along the fore-and-aft direction to the second fixed head, and is connected first fixed head and second fixed head through wearing to locate the screw rod in second screw through-hole and the first screw hole.
3. The distribution transformer lifting core overhauling special tool according to claim 2, wherein the top end of the top seat is provided with a clamping groove for clamping the second supporting rod.
4. The distribution transformer suspended core overhaul special tool as claimed in claim 2, wherein the front end of the first fixing head extends out of the first hinge gap, and a protective cover is arranged at the front end of the first fixing head.
5. The distribution transformer lifting core overhaul tool special for the distribution transformer of claim 2, wherein the second support rod is a channel steel with an upward notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911224909.4A CN111463689A (en) | 2019-12-04 | 2019-12-04 | Distribution transformer hangs core and overhauls specialized tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911224909.4A CN111463689A (en) | 2019-12-04 | 2019-12-04 | Distribution transformer hangs core and overhauls specialized tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111463689A true CN111463689A (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911224909.4A Pending CN111463689A (en) | 2019-12-04 | 2019-12-04 | Distribution transformer hangs core and overhauls specialized tool |
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| Country | Link |
|---|---|
| CN (1) | CN111463689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607614A (en) * | 2020-12-09 | 2021-04-06 | 国网河南省电力公司孟州市供电公司 | Deep groove cable lifting device |
-
2019
- 2019-12-04 CN CN201911224909.4A patent/CN111463689A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607614A (en) * | 2020-12-09 | 2021-04-06 | 国网河南省电力公司孟州市供电公司 | Deep groove cable lifting device |
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