CN210150648U - Hydraulic lifting device for outdoor transformer platform of oil field - Google Patents
Hydraulic lifting device for outdoor transformer platform of oil field Download PDFInfo
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- CN210150648U CN210150648U CN201920585929.3U CN201920585929U CN210150648U CN 210150648 U CN210150648 U CN 210150648U CN 201920585929 U CN201920585929 U CN 201920585929U CN 210150648 U CN210150648 U CN 210150648U
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Abstract
The utility model relates to an oil field user external transformer platform hydraulic pressure lifting devices. The technical scheme is as follows: there is hydraulic cylinder on the upper portion of base through the bolt fastening, hydraulic cylinder is interior to the hydraulic cylinder pole, the integrative connection pipe fitting that is equipped with in top of hydraulic cylinder pole, upper portion at the connection pipe fitting is equipped with the fast-assembling tappet, the upper portion of fast-assembling tappet is equipped with the locking bracket, one side at hydraulic cylinder is equipped with the drawbar, the drawbar passes through the bolt fastening on the base, the upper portion of drawbar is the handle, side at the drawbar is equipped with the hydraulic pump running-board, bottom at the hydraulic pump running-board is equipped with the return spring, middle part welding at the channel-section steel has the rack, the fixing clip has been welded respectively at the both ends of channel. The utility model has the advantages that: the utility model discloses can high efficiency, high-quality completion transformer promote the task, the utility model discloses it is steady, safe, quick to promote the transformer, uses hydraulic pressure lifting devices to need not hoist and mount, has practiced thrift the crane cost.
Description
Technical Field
The utility model relates to an electric power unit, in particular to oil field user external transformer platform hydraulic pressure lifting devices.
Background
At present, the outdoor transformer in oil field is mostly installing (capacity is less than 500kVA) on with the two-pole post, and the interval of two poles is 2m, and the transformer inclines on the pole to be not more than 20mm, and on the distribution transformer rack was fixed in two poles with two channel-section steels of 2.4m, the rack was not less than 2.5m apart from ground, and the rack slope should not be greater than the 1/100 of bench height. The bottom of the transformer and the rack are tightened by 4 screws, dust covers are additionally arranged on high and low voltage column heads of the transformer, and warning boards are hung on the transformer. In addition, the iron parts are required to be galvanized, and a disconnecting switch is required to be arranged on the transformer with the voltage of more than 100 kVoA. But outdoor transformer in oil field, through a period of time, because topography and landform change or wire pole subside, outdoor transformer rack in oil field causes safe distance to be less than 2.5 meters from the ground distance, and safe distance is not enough, and special cases can cause the electric shock accident.
Disclosure of Invention
The utility model discloses an aim at is exactly to the above-mentioned defect that prior art exists, provides an oil field user external transformer platform hydraulic pressure lifting devices can high efficiency, high-quality completion transformer promote the task, promotes that the transformer is steady, safe, quick, uses hydraulic pressure lifting devices to need not hoist and mount, has practiced thrift the crane cost.
The technical scheme is as follows: the on-line screen storage device comprises a base, hydraulic cylinder, the handheld ring of hydro-cylinder, the hydraulic stem, connect the pipe fitting, the fast-assembling tappet, the locking bracket, the tow bar, the hydraulic pump running-board, return spring, there is hydraulic cylinder on the upper portion of base through the bolt fastening, be equipped with the hydraulic stem in the hydraulic cylinder, the integrative connection pipe fitting that is equipped with in top of hydraulic stem, upper portion at connecting the pipe fitting is equipped with the fast-assembling tappet, the upper portion of fast-assembling tappet is equipped with the locking bracket, be equipped with the tow bar in one side of hydraulic cylinder, the tow bar passes through the bolt fastening on the base, the upper portion of tow bar is the handle, side at the tow bar is equipped with the hydraulic pump running-board, bottom at the hydraulic pump running-board is equipped with return spring.
Preferably, the locking bracket comprises a body, a locking plate, a screwing rod, a threaded hole and a connecting sleeve, the locking plate is integrally arranged at two ends of the body respectively, the threaded hole is formed in the center of the locking plate, the threaded rod is connected with the threaded hole in a threaded manner, the screwing rod is integrally arranged on the outer side of the threaded rod, and the connecting sleeve is welded at the center of the lower portion of the body.
Preferably, the body contacts with the bottom of channel-section steel, and the lock plate card is in the outside of channel-section steel, and the inboard and the channel-section steel of threaded rod are contradicted.
Preferably, the upper part of the fast-assembling tappet is inserted into the connecting sleeve, and the lower part of the fast-assembling tappet is inserted into the connecting pipe fitting.
Preferably, hydraulic cylinder's bottom is equipped with the connecting plate, and the connecting plate passes through the bolt fastening on the base, is equipped with two axle hole boards at the upper portion of connecting plate an organic whole, has seted up the shaft hole at the center of axle hole board, is equipped with the pivot between two axle hole boards, and the both ends of pivot are equipped with the connecting axle, and the pivot inserts the shaft hole through the connecting axle and is connected with the axle hole board, and threaded connection is passed through to hydraulic cylinder's bottom to the.
The utility model has the advantages that: the utility model discloses can high-efficient, high-quality completion transformer promote the task, the utility model discloses promote the transformer steady, safe, quick, use the hydraulic pressure lifting device need not hoist and mount, practiced thrift crane cost, avoided the problem such as the place restriction, the potential safety hazard of using the crane simultaneously; the operation process is simplified, connection parts of the transformer such as a down lead, a cable and a fixing device do not need to be dismantled, pole climbing operation is not needed, and the safety risk is reduced; the power failure time is shortened, and the labor intensity is reduced; the device light in weight conveniently carries, and it is convenient to install, improves work efficiency, the utility model discloses when hanging the transformer operation of changing, meet the transformer and the not enough condition of zero gram safe distance, use the device earlier with transformer height reduction, hoist and mount again, effectively solved the not enough difficult problem of safe distance. At the scene, use hydraulic pressure lifting devices steady, safety, quick, gain better social and economic benefits, and, the utility model discloses can solve the outdoor ground unevenness in oil field and lead to the improper problem of hydraulic cylinder angle, hydraulic cylinder rotates around the axle orifice plate through the pivot, realizes hydraulic cylinder's angle modulation.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a schematic structural view of the locking bracket;
FIG. 4 is a schematic view of a bottom mounting structure of a hydraulic cylinder;
FIG. 5 is a schematic view of the support rod;
in the figure: channel-section steel 1, rack 2, fixing clip 3, base 4, hydraulic cylinder 5, hydro-cylinder hand ring 6, hydraulic stem 7, connect pipe fitting 8, fast-assembling tappet 9, locking bracket 10, tow bar 11, handle 12, hydraulic pump running-board 13, return spring 14, connecting plate 15, axle hole board 16, pivot 17, shaft hole 18, bracing piece 19, folding pull rod 20.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1:
the utility model comprises a base 4, a hydraulic oil cylinder 5, an oil cylinder hand-held ring 6, a hydraulic rod 7, a connecting pipe 8, a fast-assembly tappet 9, a locking bracket 10, a drag rod 11, a hydraulic pump pedal 13 and a return spring 14, the upper part of the base 4 is fixed with the hydraulic oil cylinder 5 through bolts, the hydraulic rod 7 is arranged in the hydraulic oil cylinder 5, the top of the hydraulic rod 7 is integrally provided with the connecting pipe 8, the upper part of the connecting pipe 8 is provided with the fast-assembly tappet 9, the upper part of the fast-assembly tappet 9 is provided with the locking bracket 10, one side of the hydraulic oil cylinder 5 is provided with the drag rod 11, the drag rod 11 is fixed on the base 4 through bolts, the upper part of the drag rod 11 is a handle 12, the side of the drag rod 11 is provided with the hydraulic pump pedal 13, the hydraulic pump pedal is connected with a hydraulic pump, the hydraulic pump provides power for the, fixing clips 3 are welded at the two ends of the channel steel 1 respectively, the locking bracket 10 is clamped at the middle of the channel steel 1, during use, the hydraulic device is placed under the transformer, the fast-assembling tappet is inserted, the locking bracket is installed at last, and the mounting bracket is lifted up through the hydraulic device and is stable, safe and quick.
Wherein, locking bracket 10 includes body 10.1, lock board 10.2, tighten pole 10.3, threaded rod 10.4, screw hole 10.5, adapter sleeve 10.6, both ends at body 10.1 are respectively integrative being equipped with lock board 10.2, be equipped with screw hole 10.5 at lock board 10.2's center, there is threaded rod 10.4 at screw hole 10.5 female connection, threaded rod 10.4's outside an organic whole is equipped with tightens pole 10.3, lower part center welding at body 10.1 has adapter sleeve 10.6, body 10.1 and channel-section steel 1's bottom contact, lock board 10.2 card is in 1's the outside, threaded rod 10.4's inboard and channel-section steel 1 conflict, block the outside at the channel-section steel through the lock board, the body is in the lower part of channel-section steel, hold in through body and lock board, it tightens the pole to rotate, make the threaded rod remove, the inboard and the conflict of channel-section steel, realize the fixed of locking integrated circuit board and channel-section steel.
In addition, the upper portion of fast-assembling tappet 9 is inserted in adapter sleeve 10.6, and the lower part of fast-assembling tappet 9 is inserted in connecting pipe fitting 8, realizes being connected of fast-assembling tappet and locking bracket and hydraulic stem, and convenient and fast saves time, raises the efficiency.
During the use, place hydraulic means under the transformer earlier, insert the fast-assembling tappet again, install the locking bracket at last, rise the installation bracket through hydraulic means, with channel-section steel zonulae occludens, whole process only needs 2 minutes. After the installation is firm, the fixing clamp on the channel steel is loosened, the hydraulic device is reused, the transformer and the channel steel are integrally lifted to a proper position, the fixing clamp on the channel steel is fastened, the lifting operation of the transformer is completed, and only 7 minutes are needed for completing the whole process.
The utility model discloses can high-efficient, high-quality completion transformer promote the task, the utility model discloses promote the transformer steady, safe, quick, use the hydraulic pressure lifting device need not hoist and mount, practiced thrift crane cost, avoided the problem such as the place restriction, the potential safety hazard of using the crane simultaneously; the operation process is simplified, connection parts of the transformer such as a down lead, a cable and a fixing device do not need to be dismantled, pole climbing operation is not needed, and the safety risk is reduced; the power failure time is shortened, and the labor intensity is reduced; the device light in weight conveniently carries, and it is convenient to install, improves work efficiency, the utility model discloses when hanging the transformer operation of changing, meet the transformer and the not enough condition of zero gram safe distance, use the device earlier with transformer height reduction, hoist and mount again, effectively solved the not enough difficult problem of safe distance. On site, the hydraulic lifting device is used stably, safely and quickly, and good social and economic benefits are obtained.
Example 2:
the utility model comprises a base 4, a hydraulic oil cylinder 5, an oil cylinder hand-held ring 6, a hydraulic rod 7, a connecting pipe 8, a fast-assembling tappet 9, a locking bracket 10, a drag rod 11, a hydraulic pump pedal 13 and a return spring 14, wherein the hydraulic oil cylinder 5 is fixed on the upper part of the base 4 through bolts, the hydraulic rod 7 is arranged in the hydraulic oil cylinder 5, the top part of the hydraulic rod 7 is integrally provided with the connecting pipe 8, the fast-assembling tappet 9 is arranged on the upper part of the connecting pipe 8, the locking bracket 10 is arranged on the upper part of the fast-assembling tappet 9, the drag rod 11 is arranged on one side of the hydraulic oil cylinder 5, the drag rod 11 is fixed on the base 4 through bolts, the upper part of the drag rod 11 is a handle 12, the hydraulic pump pedal 13 is arranged on the side edge of the drag rod 11, the return spring 14 is arranged on the bottom of the hydraulic pump pedal 13, a rack 2 is welded in the middle, during the use, place hydraulic means under the transformer earlier, insert the fast-assembling tappet again, install the locking bracket at last, with channel-section steel zonulae occludens, rise installation bracket through hydraulic means, it is steady, safe, quick.
Wherein, locking bracket 10 includes body 10.1, lock board 10.2, tighten pole 10.3, threaded rod 10.4, screw hole 10.5, adapter sleeve 10.6, both ends at body 10.1 are respectively integrative being equipped with lock board 10.2, be equipped with screw hole 10.5 at lock board 10.2's center, there is threaded rod 10.4 at screw hole 10.5 female connection, threaded rod 10.4's outside an organic whole is equipped with tightens pole 10.3, lower part center welding at body 10.1 has adapter sleeve 10.6, body 10.1 is in channel-section steel 1's lower part, lock board 10.2 card is in channel-section steel 1's outside, threaded rod 10.4's inboard is contradicted with channel-section steel 1, block the outside at the channel-section steel through the lock board, the body is in the lower part of channel-section steel, hold in the inboard through body and lock board, it tightens the pole to rotate, make the inboard removal of channel-section steel, the inboard and the conflict of channel-section steel realize the.
In addition, the upper portion of fast-assembling tappet 9 is inserted in adapter sleeve 10.6, and the lower part of fast-assembling tappet 9 is inserted in connecting pipe fitting 8, realizes being connected of fast-assembling tappet and locking bracket and hydraulic stem, and convenient and fast saves time, raises the efficiency.
And, hydraulic cylinder 5's bottom is equipped with connecting plate 15, connecting plate 15 passes through the bolt fastening on base 4, upper portion an organic whole at connecting plate 15 is equipped with two axle hole boards 16, axle hole 18 has been seted up at the center of axle hole board 16, be equipped with pivot 17 between two axle hole boards 16, the both ends of pivot 17 are equipped with the connecting axle, pivot 17 inserts axle hole 18 through the connecting axle and is connected with axle hole board 16, threaded connection is passed through to hydraulic cylinder 5's bottom to pivot 17, pivot 17 can realize rotating, because the outdoor ground unevenness in oil field, hydraulic cylinder rotates around the axle hole board through the pivot, realize hydraulic cylinder's angle modulation.
The utility model discloses can high-efficient, high-quality completion transformer promote the task, the utility model discloses promote the transformer steady, safe, quick, use the hydraulic pressure lifting device need not hoist and mount, practiced thrift crane cost, avoided the problem such as the place restriction, the potential safety hazard of using the crane simultaneously; the operation process is simplified, connection parts of the transformer such as a down lead, a cable and a fixing device do not need to be dismantled, pole climbing operation is not needed, and the safety risk is reduced; the power failure time is shortened, and the labor intensity is reduced; the device light in weight conveniently carries, and it is convenient to install, improves work efficiency, the utility model discloses when hanging the transformer operation of changing, meet the transformer and the not enough condition of zero gram safe distance, use the device earlier with transformer height reduction, hoist and mount again, effectively solved the not enough difficult problem of safe distance. At the scene, use hydraulic pressure lifting devices steady, safety, quick, gain better social and economic benefits, and, the utility model discloses can solve the outdoor ground unevenness in oil field and lead to the improper problem of hydraulic cylinder angle, hydraulic cylinder rotates around the axle orifice plate through the pivot, realizes hydraulic cylinder's angle modulation.
Example 3:
the utility model comprises a base 4, a hydraulic oil cylinder 5, an oil cylinder hand-held ring 6, a hydraulic rod 7, a connecting pipe 8, a fast-assembling tappet 9, a locking bracket 10, a drag rod 11, a hydraulic pump pedal 13 and a return spring 14, wherein the hydraulic oil cylinder 5 is fixed on the upper part of the base 4 through bolts, the hydraulic rod 7 is arranged in the hydraulic oil cylinder 5, the top part of the hydraulic rod 7 is integrally provided with the connecting pipe 8, the fast-assembling tappet 9 is arranged on the upper part of the connecting pipe 8, the locking bracket 10 is arranged on the upper part of the fast-assembling tappet 9, the drag rod 11 is arranged on one side of the hydraulic oil cylinder 5, the drag rod 11 is fixed on the base 4 through bolts, the upper part of the drag rod 11 is a handle 12, the hydraulic pump pedal 13 is arranged on the side edge of the drag rod 11, the return spring 14 is arranged on the bottom of the hydraulic pump pedal 13, a rack 2 is welded in the middle, during the use, place hydraulic means under the transformer earlier, insert the fast-assembling tappet again, install the locking bracket at last, with channel-section steel zonulae occludens, rise installation bracket through hydraulic means, it is steady, safe, quick.
Wherein, locking bracket 10 includes body 10.1, lock board 10.2, tighten pole 10.3, threaded rod 10.4, screw hole 10.5, adapter sleeve 10.6, both ends at body 10.1 are respectively integrative being equipped with lock board 10.2, be equipped with screw hole 10.5 at lock board 10.2's center, there is threaded rod 10.4 at screw hole 10.5 female connection, threaded rod 10.4's outside an organic whole is equipped with tightens pole 10.3, lower part center welding at body 10.1 has adapter sleeve 10.6, body 10.1 and channel-section steel 1's bottom contact, lock board 10.2 card is in 1's the outside, threaded rod 10.4's inboard and channel-section steel 1 conflict, block the outside at the channel-section steel through the lock board, the body is in the lower part of channel-section steel, hold in through body and lock board, it tightens the pole to rotate, make the threaded rod remove, the inboard and the conflict of channel-section steel, realize the fixed of locking integrated circuit board and channel-section steel.
In addition, the upper portion of fast-assembling tappet 9 is inserted in adapter sleeve 10.6, and the lower part of fast-assembling tappet 9 is inserted in connecting pipe fitting 8, realizes being connected of fast-assembling tappet and locking bracket and hydraulic stem, and convenient and fast saves time, raises the efficiency.
And, hydraulic cylinder 5's bottom is equipped with connecting plate 15, connecting plate 15 passes through the bolt fastening on base 4, upper portion an organic whole at connecting plate 15 is equipped with two axle hole boards 16, axle hole 18 has been seted up at the center of axle hole board 16, be equipped with pivot 17 between two axle hole boards 16, the both ends of pivot 17 are equipped with the connecting axle, pivot 17 inserts axle hole 18 through the connecting axle and is connected with axle hole board 16, threaded connection is passed through to hydraulic cylinder 5's bottom to pivot 17, because the outdoor ground unevenness in oil field, hydraulic cylinder rotates around the axle hole board through the pivot, realize hydraulic cylinder's angle modulation.
And, evenly be equipped with three spinal branch vaulting poles 19 on hydraulic cylinder 5's outer wall, the top of bracing piece 19 is through pivot and hydraulic cylinder 5 outer wall connection, the well upper portion of bracing piece 19 is through folding pull rod and hydraulic cylinder 5 outer wall connection, three spinal branch vaulting poles 19 can play the supporting role when the device is emptyd, avoid the device to topple over, and the top of bracing piece is through pivot and hydraulic cylinder outer wall connection, the well upper portion of bracing piece is through folding pull rod and hydraulic cylinder outer wall connection, realize the shrink of bracing piece through folding pull rod, high durability and convenient use.
The utility model discloses can high-efficient, high-quality completion transformer promote the task, the utility model discloses promote the transformer steady, safe, quick, use the hydraulic pressure lifting device need not hoist and mount, practiced thrift crane cost, avoided the problem such as the place restriction, the potential safety hazard of using the crane simultaneously; the operation process is simplified, connection parts of the transformer such as a down lead, a cable and a fixing device do not need to be dismantled, pole climbing operation is not needed, and the safety risk is reduced; the power failure time is shortened, and the labor intensity is reduced; the device light in weight conveniently carries, and it is convenient to install, improves work efficiency, the utility model discloses when hanging the transformer operation of changing, meet the transformer and the not enough condition of zero gram safe distance, use the device earlier with transformer height reduction, hoist and mount again, effectively solved the not enough difficult problem of safe distance. At the scene, use hydraulic pressure lifting devices steady, safety, quick, gain better social and economic benefits, and, the utility model discloses can solve the outdoor ground unevenness in oil field and lead to the improper problem of hydraulic cylinder angle, hydraulic cylinder rotates around the axle orifice plate through the pivot, realizes hydraulic cylinder's angle modulation, evenly is equipped with three spinal branch vaulting poles on hydraulic cylinder's outer wall, and three spinal branch vaulting poles can play the support effect when the device is emptyd, avoid the device to empty, and realize the shrink of bracing piece, convenient to use through folding pull rod.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (5)
1. The utility model provides an oil field user external transformer platform hydraulic pressure lifting devices, characterized by: comprises a base (4), a hydraulic oil cylinder (5), an oil cylinder hand-held ring (6), a hydraulic rod (7), a fast-assembly tappet (9), a locking bracket (10), a drag rod (11), a hydraulic pump pedal (13) and a return spring (14), wherein the upper part of the base (4) is fixed with the hydraulic oil cylinder (5) through bolts, the hydraulic oil cylinder (5) is internally provided with the hydraulic rod (7), the top of the hydraulic rod (7) is integrally provided with a connecting pipe (8), the upper part of the connecting pipe (8) is provided with the fast-assembly tappet (9), the upper part of the fast-assembly tappet (9) is provided with the locking bracket (10), one side of the hydraulic oil cylinder (5) is provided with the drag rod (11), the drag rod (11) is fixed on the base (4) through bolts, the upper part of the drag rod (11) is a handle (12), the side edge of the drag rod (11) is provided with the hydraulic pump pedal, the middle of the channel steel (1) is welded with the rack (2), the two ends of the channel steel (1) are respectively welded with the fixing clips (3), and the locking bracket (10) is clamped in the middle of the channel steel (1).
2. The oil field outdoor transformer station hydraulic lifting device of claim 1, which is characterized in that: locking bracket (10) include body (10.1), lock plate (10.2), tighten pole (10.3), threaded rod (10.4), screw hole (10.5), adapter sleeve (10.6), both ends at body (10.1) are respectively integrative to be equipped with lock plate (10.2), be equipped with screw hole (10.5) at the center of lock plate (10.2), threaded rod (10.4) have in screw hole (10.5) female connection, the outside of threaded rod (10.4) is integrative to be equipped with tightens pole (10.3), lower part center welding at body (10.1) has adapter sleeve (10.6).
3. The oil field outdoor transformer station hydraulic lifting device of claim 2, which is characterized in that: the bottom contact of body (10.1) and channel-section steel (1), lock board (10.2) card in the outside of channel-section steel (1), the inboard of threaded rod (10.4) is contradicted with channel-section steel (1).
4. The oil field outdoor transformer station hydraulic lifting device of claim 2, which is characterized in that: the upper part of the fast-assembling tappet (9) is inserted into the connecting sleeve (10.6), and the lower part of the fast-assembling tappet (9) is inserted into the connecting pipe fitting (8).
5. The oil field outdoor transformer station hydraulic lifting device of claim 1, which is characterized in that: the bottom of hydraulic cylinder (5) is equipped with connecting plate (15), connecting plate (15) pass through the bolt fastening on base (4), upper portion an organic whole at connecting plate (15) is equipped with two axle hole boards (16), shaft hole (18) have been seted up at the center of axle hole board (16), be equipped with pivot (17) between two axle hole boards (16), the both ends of pivot (17) are equipped with the connecting axle, pivot (17) insert shaft hole (18) through the connecting axle and are connected with axle hole board (16), threaded connection is passed through to the bottom of hydraulic cylinder (5) to pivot (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920585929.3U CN210150648U (en) | 2019-04-26 | 2019-04-26 | Hydraulic lifting device for outdoor transformer platform of oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920585929.3U CN210150648U (en) | 2019-04-26 | 2019-04-26 | Hydraulic lifting device for outdoor transformer platform of oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210150648U true CN210150648U (en) | 2020-03-17 |
Family
ID=69757558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920585929.3U Expired - Fee Related CN210150648U (en) | 2019-04-26 | 2019-04-26 | Hydraulic lifting device for outdoor transformer platform of oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210150648U (en) |
-
2019
- 2019-04-26 CN CN201920585929.3U patent/CN210150648U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |