CN114906730B - Hoisting device for electrical equipment of transformer substation - Google Patents
Hoisting device for electrical equipment of transformer substation Download PDFInfo
- Publication number
- CN114906730B CN114906730B CN202210502959.XA CN202210502959A CN114906730B CN 114906730 B CN114906730 B CN 114906730B CN 202210502959 A CN202210502959 A CN 202210502959A CN 114906730 B CN114906730 B CN 114906730B
- Authority
- CN
- China
- Prior art keywords
- electrical equipment
- transformer substation
- sliding
- linear guide
- guide rail
- 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.)
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Links
- 239000000725 suspension Substances 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000012212 insulator Substances 0.000 description 4
- 229910052573 porcelain Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000000034 method Methods 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a transformer substation electrical equipment hoisting device which comprises a supporting base and a suspension arm assembly, wherein the supporting base comprises a supporting frame, a linear guide rail and a sliding seat, at least two fastening connectors are arranged on the supporting frame and are used for being fixedly connected to a steel structure support post of a transformer substation, the linear guide rail is arranged on the supporting frame in a mode of being capable of rotating around a vertical axis, the sliding seat is slidably arranged on the linear guide rail, the suspension arm assembly is arranged on the sliding seat in a mode of being capable of rotating around the vertical axis, and a lifting appliance is arranged on the suspension arm assembly. This hoist device has great bearing capacity through with supporting the base fixed mounting on the steel of transformer substation constructs the pillar, simultaneously, linear guide and sliding seat make the davit assembly have great working range and higher degree of freedom, can reduce the degree of difficulty of hoisting work in narrow and small transformer substation space, improves work efficiency.
Description
Technical Field
The invention relates to the technical field of substation power overhaul equipment, in particular to a lifting device for substation electrical equipment.
Background
At present, in order to ensure the normal operation of high-voltage equipment and the safety of operation maintenance personnel in a transformer substation, the high-voltage equipment is generally kept away from the ground by adopting a porcelain insulator support in the open type high-voltage equipment in the transformer substation, and the porcelain insulator support is fixed on a firm and reliable steel structure support, so that the arrangement of the electrical equipment in the transformer substation is formed. The arrangement method can ensure the stable and reliable operation and personnel safety of the high-voltage electric equipment in the transformer substation, but also ensures that the layout of the electric equipment in the transformer substation is compact, the movable space is narrow, certain difficulties are brought to the maintenance, overhaul and replacement of the high-voltage electric equipment, and particularly when the equipment is replaced, the adjacent equipment is required to be accompanied and stopped, and the large-scale hoisting equipment is inconvenient to operate.
At present, two modes of a crane and a lifting platform are generally adopted for maintenance, overhaul and replacement of high-voltage electrical equipment. If the high-voltage electric equipment is replaced as a whole, the high-voltage electric equipment is mainly hoisted by a crane. If parts of the high voltage electrical equipment are replaced, for example the upper conductive arm of a 220kV disconnector device (see fig. 5), there are two difficulties with the use of cranes, on the one hand the movement of which takes much time and on the other hand the crane cannot be extended in some sites. If the lifting platform is used for replacing high-voltage electric equipment, the movement and arrangement of the lifting platform are difficult because the ground of the transformer substation is a lawn or a gravel, and the load of the lifting platform is small, so that a great risk is brought to the replacement of the high-voltage electric equipment. Therefore, no effective hoisting tool exists at present for hoisting in a small space of a transformer substation.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a lifting device for electrical equipment of a transformer substation.
The invention provides a lifting device for electrical equipment of a transformer substation, which comprises a supporting base and a suspension arm assembly, wherein:
the support base comprises a support frame, a linear guide rail and a sliding seat, wherein at least two fastening connecting pieces are arranged on the support frame and are used for being fixedly connected to a steel structure support column of a transformer substation, the linear guide rail is arranged on the support frame in a mode of being capable of rotating around a vertical axis, and the sliding seat is arranged on the linear guide rail in a sliding manner;
the suspension arm assembly is arranged on the sliding seat in a mode of rotating around the vertical axis, and the suspension arm assembly is provided with a lifting appliance.
Preferably, the suspension arm assembly comprises a stand column, a lifting column and a transverse arm, wherein the stand column is vertically arranged on the sliding seat, the lifting column is nested and arranged at the upper end of the stand column, a hydraulic push rod capable of driving the lifting column to lift is arranged in the stand column, and the transverse arm is fixedly arranged at the upper end of the stand column.
Preferably, the sliding seat comprises a sliding block and a flange turntable, the sliding block is in sliding fit with the linear guide rail, the flange turntable is rotatably mounted on the sliding block, and the bottom end of the upright post of the suspension arm assembly is fixedly connected with the flange turntable.
Preferably, the support frame comprises a strip-shaped plate and sliding rods, the sliding rods capable of sliding along the length direction of the strip-shaped plate are arranged at two ends of the strip-shaped plate, and the fastening connecting pieces are arranged at the outer ends of the sliding rods in a one-to-one correspondence mode.
Preferably, the number of the strip-shaped plates is two, and the two strip-shaped plates are arranged in a crossed manner and are rotationally connected together by taking the crossed center as the rotation center.
Preferably, the fastening connection is a hoop.
Preferably, the anchor ear comprises a first hoop plate and a second hoop plate, a connecting seat used for being connected with the supporting frame is arranged on the first hoop plate, two ends of the first hoop plate and two ends of the second hoop plate are respectively provided with an outwardly folded connecting lug, and the connecting lugs of the first hoop plate and the connecting lugs of the second hoop plate are connected through bolts and nuts.
Preferably, the first and second hoop plates are each semi-circular in shape.
Preferably, the first and second hoop panels are each -shaped.
Preferably, the lifting appliance is an electric hoist.
The invention relates to a lifting device for electrical equipment of a transformer substation, which comprises a supporting base and a suspension arm assembly, wherein a supporting frame of the supporting base can be fixedly connected to a steel structure strut of the transformer substation through a fastening connecting piece, a linear guide rail is rotatably arranged on the supporting frame, the suspension arm assembly is slidably arranged on the linear guide rail through a sliding seat, and the suspension arm assembly can rotate around a vertical axis. Therefore, when the lifting device is used, the supporting base can be fixedly arranged on the steel structure support column of the transformer substation, so that stable support can be provided for the suspension arm assembly, the lifting device has larger bearing capacity, meanwhile, the suspension arm assembly can horizontally move and freely rotate on the linear guide rail through the sliding seat due to the fact that the linear guide rail can rotate on the horizontal plane, the suspension arm assembly has larger working range and higher degree of freedom, difficulty in lifting work in a narrow transformer substation space can be reduced, and working efficiency is improved.
Drawings
Fig. 1 is a perspective view of a lifting device for electrical equipment of a transformer substation according to an embodiment;
fig. 2 is a schematic installation diagram of a transformer substation electrical equipment lifting device in an embodiment when a transformer substation is lifted;
FIG. 3 is a perspective view of a support base in an embodiment;
FIG. 4 is a perspective view of a slide mount in an embodiment;
fig. 5 is a perspective view of an anchor ear in an embodiment.
Detailed Description
Referring to fig. 1-5, a lifting device for electrical equipment of a transformer substation according to an embodiment of the present invention includes a support base 1 and a boom assembly 2. Wherein:
the support base 1 comprises a support frame 11, a linear guide rail 12 and a sliding seat 13, wherein at least two fastening connecting pieces are arranged on the support frame 11 and are used for being fixedly connected to a steel structure support column of a transformer substation, the linear guide rail 12 is arranged on the support frame 11 in a mode of being capable of rotating around a vertical axis, and the sliding seat 13 is arranged on the linear guide rail 12 in a sliding manner;
the suspension arm assembly 2 is arranged on the sliding seat 13 in a mode of rotating around the vertical axis, and a lifting appliance is arranged on the suspension arm assembly 2 and used for lifting electrical equipment.
Referring to fig. 2, a layout of a high voltage disconnector 5 in a transformer substation is shown, the disconnector 5 is arranged on a porcelain insulator support 4, the porcelain insulator support 4 is connected to a steel structure support 3, and the overhaul height is high and the operation space is small. According to this hoist device, during operation, accessible fastening connection will support base 1 and install on the steel structure pillar of transformer substation, and rethread davit assembly 2 is to hoisting vase pillar 5 and isolator 6 to can overhaul, dismantle, install vase pillar 5 and isolator 6.
Since the fastening connection mounts the support base 1 on the steel support post 3, a stable support for the boom assembly 2 is provided, thereby enabling a greater load carrying capacity of the boom assembly 2. In addition, since the linear guide rail 12 can rotate on the support frame 11 along the horizontal plane, the suspension arm assembly 2 is slidably mounted on the linear guide rail 12 through the sliding seat 13, and the suspension arm assembly 2 can rotate around the vertical axis on the sliding seat 13, therefore, the suspension arm assembly 2 can freely move in the circular plane range generated by the rotation of the linear guide rail 12 during lifting, the suspension arm assembly 2 can have a larger lifting range without having a longer transverse force arm, and also has higher degree of freedom, and the suspension arm assembly 2 can conveniently move and lift even if working in a narrow transformer substation space.
In this embodiment, the boom assembly 2 includes a stand 21, a lifting column 22 and a transverse arm 23, where the stand 21 is vertically installed on the sliding seat 13, the lifting column 22 is installed at the upper end of the stand 21 in a nested manner, and a hydraulic push rod capable of driving the lifting column 22 to lift is installed inside the stand 21, and the hydraulic push rod can be connected to a hydraulic system to drive, and the transverse arm 23 is fixedly installed at the upper end of the stand 21. The lifting appliance is mounted at one end of a transverse arm 23, and preferably the lifting appliance is an electric hoist 24. The sliding seat 13 specifically comprises a sliding block 131 and a flange turntable 132, the sliding block 131 is in sliding fit with the linear guide rail 12, the flange turntable 132 is rotatably mounted on the sliding block 131, the bottom end of the upright post 21 of the boom assembly 2 is fixedly connected with the flange turntable 132 through bolts, and the flange turntable 132 facilitates dismounting and mounting of the boom assembly 2 on the support base 1.
According to the boom assembly 2 of the present embodiment, the boom assembly 2 has a shorter transverse arm 23, and the lifting column 22 and the transverse arm 23 can be driven to lift by the hydraulic push rod during lifting, and the linear guide rail 12 already enables the boom assembly 2 to have a larger transverse movement range, so that the boom assembly 2 can be more conveniently moved to the upper side of the electrical equipment for lifting by adopting the shorter transverse arm 23, and the boom assembly 2 adopting the structure is a preferable scheme. Of course, those skilled in the art will appreciate that other mechanical booms known in the art may be employed with boom assembly 2.
In this embodiment, the supporting frame 11 includes a bar 111 and a sliding rod 112, both ends of the bar 111 are provided with a sliding rod 112 capable of sliding along the length direction thereof, specifically, the bar 111 is provided with slots 113 along the length direction thereof, the slots 113 penetrate through both ends of the bar 111, the slots 113 at both ends of the bar 111 are respectively inserted into one sliding rod 112 in a sliding manner, and fastening connectors are installed at the outer ends of the respective sliding rods 112 in a one-to-one correspondence.
Through installing the fastening connection piece on the slide bar 112 of this support frame 11, when installing support base 1 on the steel structure pillar of transformer substation, but the length that slidable adjustment slide bar 112 stretches out from strip shaped plate 111 tip to make support frame 11 can the adaptation install on the steel structure pillar of transformer substation of different intervals, more convenient installation.
In a further embodiment, the number of the strip-shaped plates 111 of the supporting frame 11 is two, and the two strip-shaped plates 111 are arranged to intersect and are rotatably connected together with the intersection center as the rotation center. Four fastening connectors can be installed to the supporting frame 11 formed by crossing the two strip-shaped plates 111, so that the supporting frame 11 can form a more stable support through the four fastening connectors, thereby having a larger bearing capacity.
In this embodiment, the fastening connection is a hoop 14. Specifically, the anchor ear 14 includes a first hoop plate 141 and a second hoop plate 142, a connecting seat 143 for connecting with the support frame 11 is provided on the first hoop plate 141, the first hoop plate 141 is fixedly connected to one end of the sliding rod 112 through the connecting seat 143 and a bolt, two ends of the first hoop plate 141 and the second hoop plate 142 are provided with outwardly folded connecting lugs, and the connecting lugs of the first hoop plate 141 and the second hoop plate 142 are connected through a bolt and a nut. The support frame 11 is installed on the steel structure support column of the transformer substation through the anchor ear 14, so that the transformer substation can be conveniently disassembled and assembled, and meanwhile, the transformer substation has good stability.
When the anchor ear 14 is connected to a steel structure pillar of a transformer substation, anchor ears 14 with different shapes and sizes are required to be selected according to the actual shape of the steel structure pillar so as to be matched with the steel structure pillar. In practice, the steel struts of the substation are generally cylindrical or rectangular, and therefore, the anchor ear 14 may be circular or rectangular. The first and second hoop plates 141, 142 of the circular hoop 14 are each semi-circular in shape. Correspondingly, the first hoop plate 141 and the second hoop plate 142 of the rectangular hoop 14 are in shape.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. Substation electrical equipment hoist device, characterized by including supporting base (1) and davit assembly (2), wherein:
the support base (1) comprises a support frame (11), a linear guide rail (12) and a sliding seat (13), wherein at least two fastening connectors are arranged on the support frame (11), the fastening connectors are used for being fixedly connected to steel structure struts of a transformer substation, the linear guide rail (12) is arranged on the support frame (11) in a mode of being capable of rotating around a vertical axis, and the sliding seat (13) is arranged on the linear guide rail (12) in a sliding mode;
the suspension arm assembly (2) is arranged on the sliding seat (13) in a mode of rotating around the vertical axis, and the suspension arm assembly (2) is provided with a lifting appliance;
the suspension arm assembly (2) comprises a stand column (21), a lifting column (22) and a transverse arm (23), wherein the stand column (21) is vertically arranged on the sliding seat (13), the lifting column (22) is arranged at the upper end of the stand column (21) in a nested manner, the stand column (21) is internally provided with a hydraulic push rod capable of driving the lifting column (22) to lift, and the transverse arm (23) is fixedly arranged at the upper end of the stand column (21);
the support frame (11) comprises a strip-shaped plate (111) and sliding rods (112), the sliding rods (112) capable of sliding along the length direction of the strip-shaped plate are arranged at two ends of the strip-shaped plate (111), and fastening connectors are arranged at the outer ends of the sliding rods (112) in a one-to-one correspondence mode.
2. The transformer substation electrical equipment lifting device according to claim 1, wherein the sliding seat (13) comprises a sliding block (131) and a flange turntable (132), the sliding block (131) is in sliding fit with the linear guide rail (12), the flange turntable (132) is rotatably mounted on the sliding block (131), and the bottom end of the upright post (21) of the suspension arm assembly (2) is fixedly connected with the flange turntable (132).
3. The substation electrical equipment hoisting device according to claim 1, characterized in that the number of strip-shaped plates (111) is two, the two strip-shaped plates (111) being arranged crosswise and being rotationally connected together with the center of the crossing as the center of rotation.
4. The substation electrical equipment hoisting device according to claim 1, characterized in that the fastening connection is a hoop (14).
5. The transformer substation electrical equipment lifting device according to claim 4, wherein the anchor ear (14) comprises a first hoop plate (141) and a second hoop plate (142), a connecting seat (143) used for being connected with the supporting frame (11) is arranged on the first hoop plate (141), two ends of the first hoop plate (141) and two ends of the second hoop plate (142) are respectively provided with an outwards folded connecting lug, and the connecting lugs of the first hoop plate (141) and the connecting lugs of the second hoop plate (142) are connected through bolts and nuts.
6. The substation electrical equipment lifting device according to claim 5, wherein the first (141) and second (142) hoop plates are each semi-circular in shape.
7. The substation electrical equipment lifting device according to claim 5, wherein the first collar plate (141) and the second collar plate (142) are each -shaped.
8. The substation electrical equipment hoisting device according to any one of claims 1-7, characterized in that the hoisting means is an electric hoist (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502959.XA CN114906730B (en) | 2022-05-10 | 2022-05-10 | Hoisting device for electrical equipment of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502959.XA CN114906730B (en) | 2022-05-10 | 2022-05-10 | Hoisting device for electrical equipment of transformer substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114906730A CN114906730A (en) | 2022-08-16 |
| CN114906730B true CN114906730B (en) | 2023-12-08 |
Family
ID=82765956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210502959.XA Active CN114906730B (en) | 2022-05-10 | 2022-05-10 | Hoisting device for electrical equipment of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114906730B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998055381A1 (en) * | 1997-06-05 | 1998-12-10 | Barry Leonard D | Container crane hoist and system |
| CN201504035U (en) * | 2009-08-03 | 2010-06-09 | 安徽省电力公司蚌埠供电公司 | Isolation switch pillar insulator hoisting device |
| JP2010173754A (en) * | 2009-01-27 | 2010-08-12 | Chugoku Electric Power Co Inc:The | Empty case suspending device of pole-mounted transformer |
| CN202625659U (en) * | 2012-05-15 | 2012-12-26 | 邯郸供电公司 | Lifting frame for isolating switch |
| CN103010965A (en) * | 2012-11-23 | 2013-04-03 | 安徽省电力公司阜阳供电公司 | Special tool of 110kVGW4-type for hoisting switch blades and porcelain bottles |
| CN203976218U (en) * | 2014-06-03 | 2014-12-03 | 国家电网公司 | A kind of twin columns mounting means distribution transformer upending frame |
| CN107500154A (en) * | 2017-09-22 | 2017-12-22 | 中国东方电气集团有限公司 | A kind of telescoping boom being applied under special environment |
| CN206970051U (en) * | 2017-06-29 | 2018-02-06 | 中国石油化工股份有限公司 | A kind of suspender |
| CN207759941U (en) * | 2018-01-08 | 2018-08-24 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of station Universal hoisting equipment |
| CN208916674U (en) * | 2019-03-12 | 2019-05-31 | 南宁市全宇电力设计有限责任公司 | A kind of disconnecting switch lifting device |
| CN210885002U (en) * | 2019-10-23 | 2020-06-30 | 国网河南省电力公司宁陵县供电公司 | Hoisting device for transformer substation |
| CN211004299U (en) * | 2019-10-23 | 2020-07-14 | 国网安徽省电力有限公司宣城供电公司 | Hoisting device for high-voltage isolating switch in complex environment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8469209B2 (en) * | 2011-03-07 | 2013-06-25 | General Electric Company | Removal apparatus for a torque converter and a starting motor from an auxiliary compartment on a gas turbine |
-
2022
- 2022-05-10 CN CN202210502959.XA patent/CN114906730B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998055381A1 (en) * | 1997-06-05 | 1998-12-10 | Barry Leonard D | Container crane hoist and system |
| JP2010173754A (en) * | 2009-01-27 | 2010-08-12 | Chugoku Electric Power Co Inc:The | Empty case suspending device of pole-mounted transformer |
| CN201504035U (en) * | 2009-08-03 | 2010-06-09 | 安徽省电力公司蚌埠供电公司 | Isolation switch pillar insulator hoisting device |
| CN202625659U (en) * | 2012-05-15 | 2012-12-26 | 邯郸供电公司 | Lifting frame for isolating switch |
| CN103010965A (en) * | 2012-11-23 | 2013-04-03 | 安徽省电力公司阜阳供电公司 | Special tool of 110kVGW4-type for hoisting switch blades and porcelain bottles |
| CN203976218U (en) * | 2014-06-03 | 2014-12-03 | 国家电网公司 | A kind of twin columns mounting means distribution transformer upending frame |
| CN206970051U (en) * | 2017-06-29 | 2018-02-06 | 中国石油化工股份有限公司 | A kind of suspender |
| CN107500154A (en) * | 2017-09-22 | 2017-12-22 | 中国东方电气集团有限公司 | A kind of telescoping boom being applied under special environment |
| CN207759941U (en) * | 2018-01-08 | 2018-08-24 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of station Universal hoisting equipment |
| CN208916674U (en) * | 2019-03-12 | 2019-05-31 | 南宁市全宇电力设计有限责任公司 | A kind of disconnecting switch lifting device |
| CN210885002U (en) * | 2019-10-23 | 2020-06-30 | 国网河南省电力公司宁陵县供电公司 | Hoisting device for transformer substation |
| CN211004299U (en) * | 2019-10-23 | 2020-07-14 | 国网安徽省电力有限公司宣城供电公司 | Hoisting device for high-voltage isolating switch in complex environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114906730A (en) | 2022-08-16 |
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