CN205773026U - Jacking apparatus - Google Patents
Jacking apparatus Download PDFInfo
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- CN205773026U CN205773026U CN201620736884.1U CN201620736884U CN205773026U CN 205773026 U CN205773026 U CN 205773026U CN 201620736884 U CN201620736884 U CN 201620736884U CN 205773026 U CN205773026 U CN 205773026U
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000949648 Angulus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a kind of jacking apparatus, relate to power system device field, it is provided that one is readily transported, low to site requirements, mechanically make the device that pole rises.Main technical schemes of the present utility model is: a kind of jacking apparatus, including: bracing frame, the inside of bracing frame is provided with first passage, and first passage forms opening at the top of bracing frame, and the bottom of bracing frame is provided with fixed part, and fixed part is used for being fixedly connected on ground;Pole frame, pole frame includes canned paragraph and the section of stretching out, and canned paragraph is contained in first passage, and the section of stretching out reaches the outside of first passage through opening, and pole frame moves for the axial direction along first passage;Power set, power set are arranged on bracing frame, including: motor-driven grinding mill and drive mechanism, one end of drive mechanism is connected to motor-driven grinding mill, the other end is connected to pole frame, and motor-driven grinding mill is for driving pole frame to move along the axial direction of first passage by drive mechanism.
Description
Technical field
This utility model relates to power system device field, particularly relates to a kind of jacking apparatus.
Background technology
In engineering, usually have the use of heavy parts, but the transport of heavy parts but needs to consume pole with installing
Big manpower, particularly during the vertical construction of iron tower of power transmission line, steel tower is high, and weight is big, and volume is big, needs to stand on ground
Face, it will usually the group using pole to carry out steel tower stands operation.However as the progress of science and technology, the height of steel tower increases, therewith
Increase also has pole height, and the secure group of pole self founds the difficult problem also becoming in construction.
In the prior art, console model mast mode of standing up mainly rely on the hydraulic jacking device bottom pole,
According to pascal's principle, after in incompressible stationary fluid, any point is produced pressure increment by external force, the increment of this pressure is instantaneous
Between reach stationary fluid each point, carry out transmission by the pressure of hydraulic oil.The mode of standing up of inner suspended holding pole is typically existing by pole
It is assembled into certain altitude on ground, is stood up by crane or herringbone holding pole, the pole the most stood up is increased group
Dress.Wherein, carry out assembling referred to as formal dress at the upper end continued access assembly assembling pole to continue method;Assembling the main material of pole
Lifting device is used, as crane or selection steel tower self parts are as interim pole, in the lower end assembling pole at node
Continued access assembly carries out assembling, and referred to as upside-down mounting continues method.
Hydraulic jacking device security and stability is good, but use cost is the highest, supporting arranges complexity, needs periodic maintenance,
High to construction requirement, need large area ground grading, and transport inconvenience.And formal dress continues method and upside-down mounting continues method uses
Crane cannot use in remote or that road conditions are bad mountain area, and crane could effectively need to use, when pole is higher than higher than pole
Then assembly cannot winch to pole upper end during crane install.And the condition of steel tower self the parts interim pole of selection is higher,
Interim pole should reach load-bearing and requirement for height, in addition it is also necessary to calculates in a large number to guarantee to promote and has assembled pole
The most also to ensure to use safety, and interim pole is because of height reason, is required for when needing adjunction to assemble pole every time
Again select.Sum it up, lack a kind of simple and safe, cheap, it is specially adapted to the pole of ground, the mountain area convenient transport of condition
Erecting device.
Utility model content
In view of this, this utility model embodiment provides a kind of jacking apparatus, and main purpose is to provide one and is readily transported,
Low to site requirements, mechanically make the device that pole rises.
For reaching above-mentioned purpose, this utility model mainly provides following technical scheme:
This utility model embodiment provides a kind of jacking apparatus, including:
Bracing frame, the inside of support frame as described above is provided with first passage, and described first passage is in the top shape of support frame as described above
Becoming opening, the bottom of support frame as described above is provided with fixed part, and described fixed part is used for being fixedly connected on described ground;
Pole frame, described pole frame includes canned paragraph and the section of stretching out, and described canned paragraph is contained in described first passage, institute
Stating the section of stretching out and reach the outside of described first passage through described opening, described pole frame is for along described first passage
Axial direction moves;
Power set, described power set are arranged on support frame as described above, including: motor-driven grinding mill and drive mechanism, described
One end of drive mechanism is connected to described motor-driven grinding mill, and the other end is connected to described pole frame, and described motor-driven grinding mill is used for passing through
Described drive mechanism drives described pole frame to move along the axial direction of described first passage.
Further, described drive mechanism includes that pulley and steel cable, described pulley are connected to support frame as described above, described steel cable
One end be connected to described pole frame, described pulley walked around by described steel cable, and the other end of described steel cable is connected to described motor-driven strand
Mill.
Further, described power set are many groups, and described many group power set, with described pole frame as axle center, uniformly divide
Cloth is at described pole frame peripheral.
Further, described power set also include that decelerator, the input of described decelerator are connected to described motor-driven strand
Mill, the outfan of described decelerator is connected to described drive mechanism.
Further, support frame as described above is provided with multiple girdle ring, and each described girdle ring ring set is on described pole frame, described
Multiple girdle rings are for carrying out spacing to described pole frame radial direction.
Further, described jacking apparatus also includes that external stability group, described external stability group include basic stand column and draw
Line, described basic stand column part is fixed in ground, and one end of described bracing wire is connected to described basic stand column, and the other end is connected to
Support frame as described above.
Further, described external stability group is many groups, and described many group external stability groups are with support frame as described above as axle center, all
Even it is distributed in around support frame as described above.
Further, for removably connecting between support frame as described above and described power set, described power set are with described
For removably connecting between pole frame.
In a kind of technical scheme that this utility model embodiment proposes, a kind of jacking apparatus, including: bracing frame, pole frame
And power set;Wherein the inside of bracing frame is provided with first passage, and first passage forms opening, bracing frame at the top of bracing frame
Bottom be provided with fixed part, fixed part is used for being fixedly connected on ground;And pole frame includes canned paragraph and the section of stretching out, canned paragraph
Being contained in first passage, the section of stretching out reaches the outside of first passage through opening, and pole frame is for along first passage
Axial direction moves;Power set are then arranged on bracing frame, including: motor-driven grinding mill and drive mechanism, one end of drive mechanism
Being connected to motor-driven grinding mill, the other end is connected to pole frame, and motor-driven grinding mill is for driving pole frame to lead to along first by drive mechanism
The axial direction in road moves.In the prior art, the safety and stability performance of hydraulic jacking device is good, the most time saving and energy saving during use,
But its cost is the highest, and corollary equipment arranges more complicated, and construction environment is required height, and residing ground must be smooth, particularly
Hydraulic jacking device is bad in road conditions such as mountain areas, and the area that even vehicle is impassable is difficult to transport.And another kind method crane,
Need crane height higher than pole, could use, and crane seldom can enter mountain area.Compared with prior art, this practicality
The part of new embodiment is the most relatively small, even if vehicle is impassable, also can be transported the job location specified by manpower,
And apparatus structure is simple, speed of application is fast, the most whole during all make mechanically, even if job location does not has electric power to drive
Dynamic, still can be with normal construction.Selected part is common materials, advantage of lower cost.
Accompanying drawing explanation
The structural representation of a kind of jacking apparatus that Fig. 1 provides for this utility model embodiment.
Detailed description of the invention
By further illustrating the technological means and effect that this utility model taked by reaching predetermined utility model purpose,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the jacking apparatus detailed description of the invention that the utility model proposes, structure, feature
And effect, after describing in detail such as.
As Fig. 1 is above-mentioned, this utility model provides a kind of jacking apparatus, including: bracing frame 1, the inside of above-mentioned bracing frame 1
Being provided with first passage, above-mentioned first passage forms opening at the top of above-mentioned bracing frame 1, and the bottom of above-mentioned bracing frame 1 is provided with solid
Determining portion, fixation portions is used for being fixedly connected on above-mentioned ground;Above-mentioned bracing frame 1 is around pole frame 2, for power set 3
There is provided and support, in order to ensure that above-mentioned bracing frame 1 can be more firm, brace can be set on bracing frame 1, make above-mentioned bracing frame
1 forms triangular structure, and in the case of by ambient pressure or pulling force, triangle compares other polygonal structures, has shape
The indeformable character of shape, because the length of side of triangle determines that angulus posteriomedialis also determines, therefore the structure of triangle is more stable.
Pole frame 2, above-mentioned pole frame 2 includes canned paragraph and the section of stretching out, and above-mentioned canned paragraph is contained in above-mentioned first passage,
The above-mentioned section of stretching out reaches the outside of above-mentioned first passage through above-mentioned opening, and above-mentioned pole frame 2 is for leading to along above-mentioned first
The axial direction in road moves;Above-mentioned pole frame 2 is also aid, is used for promoting target device assembly, makes target device complete
Assembly, but the height of target device owing to having in work progress is high, above-mentioned pole frame 2 is also required to hoisting depth, could incite somebody to action
Target device assembly rises to the height of needs, but when pole frame 2 reaches to be out of the reach of human power height and weight is then to need
Above-mentioned jacking apparatus assists above-mentioned pole frame 2 to raise, so utilizing above-mentioned jacking apparatus to be promoted by above-mentioned pole frame 2, and will
Pole joint is from accessing between pole frame 2 and pole frame 2 base promoted, it is achieved the growth of above-mentioned pole frame 2.
Power set 3, above-mentioned power set 3 are arranged on above-mentioned bracing frame 1, including: motor-driven grinding mill 31 and drive mechanism,
One end of above-mentioned drive mechanism is connected to above-mentioned motor-driven grinding mill 31, and the other end is connected to above-mentioned pole frame 2, above-mentioned motor-driven grinding mill 31
For driving above-mentioned pole frame 2 to move along the axial direction of above-mentioned first passage by above-mentioned drive mechanism.Above-mentioned power set 3
Make mechanically, to utilize diesel driven, can either be adapted to there is no the job sites such as power-actuated mountain area, people can be exempted again
Work dish twists, and saves manpower to greatest extent and also improves efficiency, and above-mentioned power set 3 and the highest to construction environment
Requirement, it is not necessary to doing large-area Land leveling, power set 3 general structure of the most above-mentioned mechanical system is not the most very big,
Manpower can either be moved, simultaneously as mechanical technique is ripe, assembly is common, and cost is the most relatively low.
Below by way of in the present embodiment jacking apparatus work process and away from the jacking apparatus in specific illustrative embodiment:
Above-mentioned pole frame 2 is arranged in the first passage of above-mentioned bracing frame 1, and above-mentioned power set 3 are arranged on above-mentioned
On support 1, concrete, the drive mechanism in above-mentioned power set 3 is fixedly connected on above-mentioned bracing frame 1, and by above-mentioned biography
One end of motivation structure is connected to above-mentioned motor-driven grinding mill 31, and the other end is connected to above-mentioned pole frame 2, and above-mentioned motor-driven grinding mill 31 is arranged on
The height of the convenient operation of operator, utilizes above-mentioned motor-driven grinding mill 31, by above-mentioned drive mechanism be supplied to above-mentioned pole frame 2 with
Climbing power, makes above-mentioned pole frame 2 rise, and pole joint is accessed the above-mentioned pole frame 2 having gone up.This utility model embodiment is straight
Connect and utilize mechanical system to promote above-mentioned pole frame 2, it is not necessary to ground is carried out pretreatment, assemble simple simultaneously, assembly less, side
It is readily transported.
In a kind of technical scheme that this utility model embodiment proposes, a kind of jacking apparatus, including: bracing frame, pole frame
And power set;Wherein the inside of bracing frame is provided with first passage, and first passage forms opening, bracing frame at the top of bracing frame
Bottom be provided with fixed part, fixed part is used for being fixedly connected on ground;And pole frame includes canned paragraph and the section of stretching out, canned paragraph
Being contained in first passage, the section of stretching out reaches the outside of first passage through opening, and pole frame is for along first passage
Axial direction moves;Power set are then arranged on bracing frame, including: motor-driven grinding mill and drive mechanism, one end of drive mechanism
Being connected to motor-driven grinding mill, the other end is connected to pole frame, and motor-driven grinding mill is for driving pole frame to lead to along first by drive mechanism
The axial direction in road moves.In the prior art, the safety and stability performance of hydraulic jacking device is good, the most time saving and energy saving during use,
But its cost is the highest, and corollary equipment arranges more complicated, and construction environment is required height, and residing ground must be smooth, particularly
Hydraulic jacking device is bad in road conditions such as mountain areas, and the area that even vehicle is impassable is difficult to transport.And another kind method crane,
Need crane height higher than pole, could use, and crane seldom can enter mountain area.Compared with prior art, this practicality
The part of new embodiment is the most relatively small, even if vehicle is impassable, also can be transported the job location specified by manpower,
And apparatus structure is simple, speed of application is fast, the most whole during all make mechanically, even if job location does not has electric power to drive
Dynamic, still can be with normal construction.Selected part is common materials, advantage of lower cost.
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
In order to preferably realize promoting, concrete, above-mentioned drive mechanism includes pulley 32 and steel cable 33, above-mentioned pulley
32 are connected to above-mentioned bracing frame 1, and one end of above-mentioned steel cable 33 is connected to above-mentioned pole frame 2, and above-mentioned pulley walked around by above-mentioned steel cable 33
32, the other end of above-mentioned steel cable 33 is connected to above-mentioned motor-driven grinding mill 31.Utilizing above-mentioned steel cable 33 is above-mentioned pole frame 2 driving force,
And above-mentioned pulley 32 is so that above-mentioned steel cable 33 carries out angle, make above-mentioned motor-driven grinding mill 31 can be arranged on the convenient behaviour of operator
The place made and height, it is not necessary to arrange along above-mentioned pole frame 2 radial direction, even if being still able to above-mentioned pole frame on ground
2 promote.
When above-mentioned pole frame 2 is higher than above-mentioned bracing frame 1, in order to balance pole frame 2, concrete, above-mentioned power fills
Putting 3 for many groups, above-mentioned many group power set 3, with above-mentioned pole frame 2 as axle center, are evenly distributed on around above-mentioned pole frame 2.Above-mentioned
Pole frame 2 only above-mentioned drive mechanism in uphill process supports, when above-mentioned pole frame 2 is shorter than above-mentioned bracing frame 1, and can
Above-mentioned pole frame 2 is hung lifting with above-mentioned drive mechanism on above-mentioned pole frame 2 axial direction.But when above-mentioned pole frame 2
As above-mentioned bracing frame 1 high or than above-mentioned bracing frame 1 preferably time, one group of above-mentioned power set 3 cannot directly make
State pole frame 2 to hang, so arranging the above-mentioned power set 3 of many groups, while providing radial force to promote for above-mentioned pole frame 2, again
The balance of power can be realized in the other direction, it is ensured that above-mentioned pole frame 2 moves to radial direction.
In order to energy resource consumption can be reduced, above-mentioned pole frame can be promoted more smoothly simultaneously, concrete, above-mentioned
Power set 3 also include that decelerator, the input of above-mentioned decelerator are connected to above-mentioned motor-driven grinding mill 31, the output of above-mentioned decelerator
End is connected to above-mentioned drive mechanism.Above-mentioned decelerator can increase torque at outfan, is rising the power that above-mentioned pole frame 2 uses
In the case of Yi Ding, use above-mentioned decelerator can reduce the input of power of outfan, thus reduce above-mentioned motor-driven grinding mill 31
Power, reduces energy resource consumption, and especially in the place that the road conditions such as mountain area are bad, the energy is rare, can reduce transport number of times with this.With
Time reduce and use above-mentioned decelerator to also reduce the above-mentioned speed of above-mentioned pole frame 2, reduce the impact to above-mentioned bracing frame 1
Power, improves stationarity, and improves the degree of accuracy of the lifting height of above-mentioned pole frame 2.
It is to move in radial direction all the time in uphill process in order to ensure above-mentioned pole frame 2, concrete, above-mentioned bracing frame
1 is provided with multiple girdle ring 11, and each above-mentioned girdle ring 11 ring set is on above-mentioned pole frame 2, and above-mentioned multiple girdle rings 11 are for above-mentioned
Pole frame 2 radial direction carries out spacing.Due in actual mechanical process, it is possible to the work difficulty of balance of power is fully achieved relatively
Greatly, using above-mentioned girdle ring 11, a guide rail in providing i.e. to above-mentioned pole frame 2, even if above-mentioned pole frame 2 has askew in rising
Tiltedly, but can be limited by above-mentioned girdle ring 11, will not have excessive motion in the other direction, make the main fortune of above-mentioned pole frame 2
Dynamic direction is always radial direction.
In order to ensure the firm of above-mentioned bracing frame 1, concrete, above-mentioned jacking apparatus also includes external stability group 4, above-mentioned outside
The fixing group 4 in portion includes that basic stand column 41 and bracing wire 42, above-mentioned basic stand column 41 part are fixed in ground, the one of above-mentioned bracing wire 42
End is connected to above-mentioned basic stand column 41, and the other end is connected to above-mentioned bracing frame 1.Owing to the job site of above-mentioned bracing frame 1 may
Above-mentioned basic stand column 41 with a varied topography, that before utilization, engineering is set up in advance, with above-mentioned bracing wire 42 by above-mentioned basic stand column 41 He
Above-mentioned bracing frame 1 is fixing to be connected, and increases the firm performance of above-mentioned bracing frame 1.
For ensureing that the fixing group 4 of said external realizes dynamic balance, concrete, the fixing group 4 of said external is many groups, above-mentioned many groups
External stability group 4, with above-mentioned bracing frame 1 as axle center, is evenly distributed on around above-mentioned bracing frame 1.Many group said external fix group 4
Can more consolidate above-mentioned bracing frame 1.
Transport for convenience, concrete, for removably connecting between above-mentioned bracing frame 1 and above-mentioned power set 3, above-mentioned dynamic
For removably connecting between power apparatus 3 and above-mentioned pole frame 2.Above-mentioned bracing frame 1 is dismantled with above-mentioned power set 3, above-mentioned dynamic
Power apparatus 3 is dismantled with above-mentioned pole frame 2, and the most above-mentioned jacking apparatus is then refined as multiple widgets, disperses whole above-mentioned jacking
The volume and weight of device, is convenient to load transport, even in the impassable mountain area of vehicle, it is also possible to transport with manpower
Defeated.
In a kind of technical scheme that this utility model embodiment proposes, a kind of jacking apparatus, including: bracing frame, pole frame
And power set;Wherein the inside of bracing frame is provided with first passage, and first passage forms opening, bracing frame at the top of bracing frame
Bottom be provided with fixed part, fixed part is used for being fixedly connected on ground;And pole frame includes canned paragraph and the section of stretching out, canned paragraph
Being contained in first passage, the section of stretching out reaches the outside of first passage through opening, and pole frame is for along first passage
Axial direction moves;Power set are then arranged on bracing frame, including: motor-driven grinding mill and drive mechanism, one end of drive mechanism
Being connected to motor-driven grinding mill, the other end is connected to pole frame, and motor-driven grinding mill is for driving pole frame to lead to along first by drive mechanism
The axial direction in road moves.In the prior art, the safety and stability performance of hydraulic jacking device is good, the most time saving and energy saving during use,
But its cost is the highest, and corollary equipment arranges more complicated, and construction environment is required height, and residing ground must be smooth, particularly
Hydraulic jacking device is bad in road conditions such as mountain areas, and the area that even vehicle is impassable is difficult to transport.And another kind method crane,
Need crane height higher than pole, could use, and crane seldom can enter mountain area.Compared with prior art, this practicality
The part of new embodiment is the most relatively small, even if vehicle is impassable, also can be transported the job location specified by manpower,
And apparatus structure is simple, speed of application is fast, the most whole during all make mechanically, even if job location does not has electric power to drive
Dynamic, still can be with normal construction.Selected part is common materials, advantage of lower cost.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model does not limit to
In this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in change
Or replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described power
The protection domain that profit requires is as the criterion.
Claims (8)
1. a jacking apparatus, it is characterised in that including:
Bracing frame, the inside of support frame as described above is provided with first passage, and described first passage is formed at the top of support frame as described above and opens
Mouthful, the bottom of support frame as described above is provided with fixed part, and described fixed part is used for being fixedly connected on ground;
Pole frame, described pole frame includes canned paragraph and the section of stretching out, and described canned paragraph is contained in described first passage, described in stretch
The section of going out reaches the outside of described first passage through described opening, axial for along described first passage of described pole frame
Direction is moved;
Power set, described power set are arranged on support frame as described above, including: motor-driven grinding mill and drive mechanism, described transmission
One end of mechanism is connected to described motor-driven grinding mill, and the other end is connected to described pole frame, and described motor-driven grinding mill is for by described
Drive mechanism drives described pole frame to move along the axial direction of described first passage.
Jacking apparatus the most according to claim 1, it is characterised in that described drive mechanism includes pulley and steel cable, described
Pulley is connected to support frame as described above, and one end of described steel cable is connected to described pole frame, and described pulley walked around by described steel cable, described
The other end of steel cable is connected to described motor-driven grinding mill.
Jacking apparatus the most according to claim 2, it is characterised in that described power set are many groups, described organizes power more
Device, with described pole frame as axle center, is evenly distributed on described pole frame peripheral.
Jacking apparatus the most according to claim 3, it is characterised in that described power set also include decelerator, described in subtract
The input of speed device is connected to described motor-driven grinding mill, and the outfan of described decelerator is connected to described drive mechanism.
Jacking apparatus the most according to claim 4, it is characterised in that support frame as described above is provided with multiple girdle ring, Mei Gesuo
Stating girdle ring ring set on described pole frame, the plurality of girdle ring is for carrying out spacing to described pole frame radial direction.
Jacking apparatus the most according to claim 5, it is characterised in that described jacking apparatus also includes external stability group, institute
Stating external stability group and include that basic stand column and bracing wire, described basic stand column part are fixed in ground, one end of described bracing wire is even
Being connected to described basic stand column, the other end is connected to support frame as described above.
Jacking apparatus the most according to claim 6, it is characterised in that described external stability group is many groups, outside described many groups
Group is fixed with support frame as described above as axle center by portion, is evenly distributed on around support frame as described above.
Jacking apparatus the most according to claim 7, it is characterised in that between support frame as described above and described power set being can
Dismounting connects, for removably connecting between described power set and described pole frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620736884.1U CN205773026U (en) | 2016-07-13 | 2016-07-13 | Jacking apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620736884.1U CN205773026U (en) | 2016-07-13 | 2016-07-13 | Jacking apparatus |
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CN205773026U true CN205773026U (en) | 2016-12-07 |
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CN201620736884.1U Expired - Fee Related CN205773026U (en) | 2016-07-13 | 2016-07-13 | Jacking apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105967085A (en) * | 2016-07-13 | 2016-09-28 | 国家电网公司 | Jacking device |
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2016
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105967085A (en) * | 2016-07-13 | 2016-09-28 | 国家电网公司 | Jacking device |
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Granted publication date: 20161207 |