CN205773026U - Jacking apparatus - Google Patents

Jacking apparatus Download PDF

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Publication number
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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CN
China
Prior art keywords
frame
mentioned
pole
passage
pole frame
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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.)
Expired - Fee Related
Application number
CN201620736884.1U
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Chinese (zh)
Inventor
修江
张扬
吴雄雄
王阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XINJIANG ELECTRIC POWER ENGINEERING SUPERVISION Co Ltd
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Xinjiang Electric Power Co Ltd
Original Assignee
XINJIANG ELECTRIC POWER ENGINEERING SUPERVISION Co Ltd
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Xinjiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XINJIANG ELECTRIC POWER ENGINEERING SUPERVISION Co Ltd, State Grid Corp of China SGCC, Economic and Technological Research Institute of State Grid Xinjiang Electric Power Co Ltd filed Critical XINJIANG ELECTRIC POWER ENGINEERING SUPERVISION Co Ltd
Priority to CN201620736884.1U priority Critical patent/CN205773026U/en
Application granted granted Critical
Publication of CN205773026U publication Critical patent/CN205773026U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Jacking apparatus
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.
CN201620736884.1U 2016-07-13 2016-07-13 Jacking apparatus Expired - Fee Related CN205773026U (en)

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Application Number Priority Date Filing Date Title
CN201620736884.1U CN205773026U (en) 2016-07-13 2016-07-13 Jacking apparatus

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Application Number Priority Date Filing Date Title
CN201620736884.1U CN205773026U (en) 2016-07-13 2016-07-13 Jacking apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105967085A (en) * 2016-07-13 2016-09-28 国家电网公司 Jacking device

Cited By (1)

* Cited by examiner, † Cited by third party
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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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161207