CN112061983A - Pole column overturning station device of large-scale switch equipment - Google Patents
Pole column overturning station device of large-scale switch equipment Download PDFInfo
- Publication number
- CN112061983A CN112061983A CN202010926442.4A CN202010926442A CN112061983A CN 112061983 A CN112061983 A CN 112061983A CN 202010926442 A CN202010926442 A CN 202010926442A CN 112061983 A CN112061983 A CN 112061983A
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- rotary
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- 239000004677 Nylon Substances 0.000 claims abstract description 11
- 229920001778 nylon Polymers 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000003139 buffering effect Effects 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a pole column overturning station device of large-scale switchgear, which comprises an automatic pole column overturning station module, wherein the automatic pole column overturning station module comprises a station rack, a rotating support, a rotating hydraulic cylinder and a hydraulic system, the bottom end of one side of the rotating support is rotatably connected with one end of the rotating support, the rotating hydraulic cylinder is fixedly arranged on the station rack, one end, far away from the rotating hydraulic cylinder, of a piston rod of the rotating hydraulic cylinder is hinged with the middle part of the rotating support, a holding unit is arranged on the rotating support and comprises two holding mechanisms, each holding mechanism comprises a holding hydraulic cylinder, a sliding block, a guide rail warehouse wave heater, a linear sliding rail and an anti-tilting hydraulic hoop, a profiling block base is arranged on the inner side of the anti-tilting hydraulic hoop, and a nylon profiling block is arranged on the profiling block base. The invention improves the operation efficiency of pole overturning of large-scale switch equipment.
Description
Technical Field
The invention relates to the technical field of production tools of high-voltage electrical equipment, in particular to a pole column overturning station device of large-scale switch equipment.
Background
With the social development and the rise of industrial and residential electricity consumption, the requirements of people on the dependence and reliability of power supply are higher and higher, the power load is deeper and deeper, and the power transmission grade switch equipment is also rapidly developed as the most important control and protection equipment in power transmission. Because of the high voltage level, the transmission grade switch equipment has heavier weight, larger volume and height, and when the product is produced and tested to be qualified, the three-phase pole column is integrally disassembled, packaged and delivered, the current leading method is as follows: adopt the driving, adopt ascending a height ladder or ascending a height the car by operating personnel and carry out artifical rings of hanging, play rings hang the back, personnel get off and carry out utmost point post and wholly disassemble, use the driving to hang from utmost point post after disassembling, adopt the driving on level ground again to place the level with utmost point post slow upset, pack the delivery again.
The existing operation mode has the following defects: (1) the safety risk of manual ascending operation exists, time and labor are wasted, and the working efficiency is low; (2) when the pole is slowly turned over and placed horizontally by adopting a travelling crane, the weight of the whole pole is completely acted on the bottom of the lower crank arm box, the quality requirement on the bottom of the crank arm box is higher, and meanwhile, the risk of product damage exists; (3) when the pole column is overturned and placed for horizontal operation, field cleaning of field irrelevant personnel is needed due to the large size of the product, so that safety production accidents are prevented.
Disclosure of Invention
The invention aims to provide a pole column overturning station device of large-scale switch equipment, which is used for solving the problems in the prior art and improving the pole column overturning operation efficiency of the large-scale switch equipment.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a pole column overturning station device of large-scale switch equipment, which comprises an automatic pole column overturning station module, wherein the automatic pole column overturning station module comprises a station rack, a rotating support, a rotating hydraulic cylinder and a hydraulic system, the bottom end of one side of the rotating support is rotationally connected with one end of the rotating support, the rotating hydraulic cylinder is fixedly arranged on the station rack, one end, far away from the rotating hydraulic cylinder, of a piston rod of the rotating hydraulic cylinder is hinged with the middle part of the rotating support, at least two clamping units which are arranged at intervals along the length direction of the rotating support are arranged on the other side of the rotating support, each clamping unit comprises two symmetrically arranged clamping mechanisms, each clamping mechanism comprises a clamping hydraulic cylinder, a sliding block, a guide rail storage, a linear slide rail and an anti-tilting hydraulic hoop, and the clamping hydraulic cylinder and the linear slide rail are respectively and fixedly arranged on the rotating support, the guide rail bank wave heater is fixedly arranged at the bottom of the sliding block, the guide rail bank wave heater is in sliding fit with the linear sliding rail, the sliding block is hinged with a piston rod of the holding hydraulic cylinder, the anti-tilting hydraulic hoop is fixedly arranged on the sliding block, a profiling block base is arranged on the inner side of the anti-tilting hydraulic hoop, and a nylon profiling block is arranged on the profiling block base; the holding hydraulic cylinder and the rotating hydraulic cylinder are respectively connected with the hydraulic system.
Preferably, still including disassembling station module, safe lift platform module and the crane that is used for hanging large-scale switchgear's utmost point post, safe lift platform module is located utmost point post automatic turning station module with disassemble station module support, large-scale switchgear sets up disassemble on the station module, the staff passes through safe lift platform module can with the rings of crane are installed on the utmost point post or follow demolish on the utmost point post rings.
Preferably, the guide rail wave heater is an air pressure type guide rail wave heater, and the linear guide rail is a dovetail groove type linear slide rail.
Preferably, the profiles of the nylon profile blocks are matched with the cross section profile of the pole of the large-scale switchgear.
Preferably, still be provided with the buffering cushion on the top surface of station rack, the rotary hydraulic cylinder drive after the runing rest rotation is the horizontality, the runing rest can extrude the buffering cushion.
Preferably, an in-place switch is arranged in the buffering rubber mat and electrically connected with the hydraulic system, and when the in-place switch is triggered, the hydraulic system can be switched off, so that the rotary hydraulic cylinder is controlled to stop working.
Compared with the prior art, the invention has the following technical effects:
the pole column overturning station device of the large-scale switch equipment improves the pole column overturning operation efficiency of the large-scale switch equipment. The pole column overturning station device of the large-scale switch equipment can conveniently and quickly overturn and level the pole column of the large-scale switch equipment, effectively improves the operation efficiency of disassembling the pole column of the large-scale switch equipment, can tightly hold the pole column through the holding unit, prevents the pole column from toppling over due to gravity and external influence, is good in safety, and ensures the operation safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a first structural schematic diagram of a pole column overturning station device of a large-scale switch device;
fig. 2 is a structural schematic diagram II of a pole column overturning station device of the large-scale switch equipment;
fig. 3 is a third structural schematic diagram of the pole column turnover station device of the large-scale switchgear of the present invention;
fig. 4 is a fourth schematic structural view of the pole column turnover station device of the large-scale switchgear of the present invention;
fig. 5 is a fifth structural schematic view of the pole column turnover station device of the large-scale switchgear of the present invention;
wherein: 1. large-scale switchgear; 1-1, pole column; 1-2, a base; 2. disassembling the station module; 3. a safety lifting platform module; 4. the pole column automatically overturns the station module; 4-1, preventing the hydraulic hoop from inclining; 4-2, profiling block bases; 4-3, nylon profile blocks; 4-4, a sliding block; 4-5, a pneumatic guide rail storage wave heater; 4-6, dovetail groove type linear slide rail; 4-7, adjusting a gasket; 4-8, rotating the bracket; 4-9, rotating the main shaft; 4-10, tightly holding the hydraulic cylinder; 4-11, a buffer rubber cushion; 4-12, a station rack; 4-13, rotating hydraulic cylinder; 4-14, a hydraulic system; 5. a lifting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a pole column overturning station device of large-scale switch equipment, which is used for solving the problems in the prior art and improving the pole column overturning operation efficiency of the large-scale switch equipment.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 5: the embodiment provides a pole column overturning station device of large-scale switch equipment, which comprises a pole column automatic overturning station module 4, wherein the pole column automatic overturning station module 4 comprises a station rack 4-12, a rotary support 4-8, a rotary hydraulic cylinder 4-13 and a hydraulic system 4-14, the bottom end of one side of the rotary support 4-8 is rotatably connected with one end of the rotary support 4-8 through a rotary main shaft 4-9, the rotary hydraulic cylinder 4-13 is fixedly arranged on the station rack 4-12, one end, far away from the rotary hydraulic cylinder 4-13, of a piston rod of the rotary hydraulic cylinder 4-13 is hinged with the middle part of the rotary support 4-8, at least two clamping units which are arranged at intervals along the length direction of the rotary support 4-8 are arranged on the other side of the rotary support 4-8, each clamping unit comprises two symmetrically arranged clamping mechanisms, the clasping mechanism comprises a clasping hydraulic cylinder 4-10, a slide block 4-4, an air pressure type guide rail storehouse wave heater 4-5, a dovetail groove type linear slide rail 4-6 and an anti-tilting hydraulic hoop 4-1, the tightly-holding hydraulic cylinder 4-10 and the dovetail groove type linear slide rail 4-6 are respectively fixedly arranged on a rotary support 4-8, the air pressure type guide rail bank wave heater 4-5 is fixedly arranged at the bottom of the slide block 4-4, the air pressure type guide rail bank wave heater 4-5 is in sliding fit with the dovetail groove type linear slide rail 4-6, the slide block 4-4 is hinged with a piston rod of the tightly-holding hydraulic cylinder 4-10, the anti-tilting hydraulic hoop 4-1 is fixedly arranged on the slide block 4-4, the inner side of the anti-tilting hydraulic hoop 4-1 is provided with a contour block base 4-2, and the contour block base 4-2 is provided with a nylon contour block 4-3; the clasping hydraulic cylinders 4-10 and the rotating hydraulic cylinders 4-13 are respectively connected with the hydraulic systems 4-14.
The profile of the nylon profile block 4-3 is matched with the cross section profile of the pole 1-1 of the large-scale switchgear 1. The top surfaces of the station platforms 4-12 are also provided with buffer rubber pads 4-11, and after the rotary hydraulic cylinders 4-13 drive the rotary supports 4-8 to rotate to be in a horizontal state, the rotary supports 4-8 can extrude the buffer rubber pads 4-11. An in-place switch is arranged in the buffer rubber cushion 4-11 and is electrically connected with the hydraulic system 4-14, and when the in-place switch is triggered, the hydraulic system 4-14 can be cut off, so that the rotary hydraulic cylinder 4-13 is controlled to stop working. Because the volume of the rotary support 4-8 is large, the connection surface of the rotary support 4-8 and the dovetail groove type linear slide rail 4-6 is difficult to meet the requirement of flatness, if the flatness is not enough, the guide rail wave heater 4-5 and the dovetail groove type linear slide rail 4-6 are easy to damage after long-term work, and an adjusting gasket 4-7 is arranged between the dovetail groove type linear slide rail 4-6 and the rotary support 4-8 for meeting the requirement of flatness.
The pole column overturning station device of the large-scale switch equipment of the embodiment further comprises a disassembling station module 2, a safe lifting platform module 3 and a crane for lifting the pole column 1-1 of the large-scale switch equipment 1, wherein the safe lifting platform module 3 is positioned on the automatic pole column overturning station module 4 and a disassembling station module 2 bracket, the large-scale switch equipment 1 comprises the pole column 1-1 and a base 1-2, the pole column 1-1 is arranged on the base 1-2, the base 1-2 is arranged on the disassembling station module 2, a worker can install the lifting ring 5 of the crane on the pole column 1-1 or remove the lifting ring 5 from the pole column 1-1 through the safe lifting platform module 3, as shown in figure 1, the worker stands on the safe lifting platform module 3 to install the lifting ring 5 of the crane on the pole column 1-1 of the large-scale switch equipment 1, as shown in fig. 2, a worker stands on the safety lifting platform module 3 to remove the lifting ring 5 on the pole 1-1 which is transferred and fixed on the rotating bracket 4-8, so as to facilitate the subsequent overturning work.
The pole column overturning station device of the large-scale switch equipment in the embodiment is used as follows:
firstly, large-scale switch equipment is fixed on a disassembling station module 2, a safe lifting platform module 3 is arranged between the disassembling station module 2 and an automatic pole overturning station module 4, an operator hangs a lifting ring 5 for one pole 1-1 of a large-scale switch equipment product 1 on the disassembling station module 2 through the safe lifting platform module 3, after the lifting ring 5 is hung, the operator returns to a lower safe operation area through the safe lifting platform module 3, and an operation travelling crane hangs away from the pole 1-1 to a corresponding working position of the automatic pole overturning station module 4;
after the polar post 1-1 is hoisted to a working position, a piston rod of a tightly-holding hydraulic cylinder 4-10 arranged on a rotating bracket 4-8 is controlled to contract through a hydraulic system 4-14, the piston rod of the tightly-holding hydraulic cylinder 4-10 pulls a slide block 4-4 to move towards the center of the working position, an air pressure type guide rail bank wave tyrant 4-5 is arranged at the lower part of the slide block 4-4, the air pressure type guide rail bank wave tyrant 4-5 is in sliding fit with a dovetail groove type linear slide rail 4-6, the slide block 4-4 simultaneously drives an anti-tilting hydraulic hoop 4-1 to slide, a nylon contour block 4-3 matched with the corresponding tightly-holding part of the polar post 1-1 is fixed on a contour block base 4-2 and fixed with the anti-tilting hydraulic hoop 4-1, the anti-tilting hydraulic hoop 4-1 slides towards the center of the working position to enable the nylon contour blocks 4-3 at two sides to, after the anti-tilting hydraulic hoop 4-1 moves in place, the pole 1-1 cannot topple due to gravity and external influence, and meanwhile, the air pressure type guide rail storehouse wave heater 4-5 works and is locked with the dovetail groove type linear slide rail 4-6, so that unsafe factors caused by loosening of the anti-tilting hydraulic hoop 4-1 are prevented;
after the locking anti-tilting hydraulic hoop 4-1 is adopted, an operator removes the lifting ring 5 from the pole column 1-1 on the pole column automatic overturning station module 4 through the safety lifting platform module 3, after the lifting ring 5 is removed, the operator returns to a following safety operation area through the safety lifting platform module 3 to operate a travelling crane to a travelling crane parking point, the hydraulic system 4-14 is operated, the rotary hydraulic cylinder 4-13 mounted on the station rack 4-12 is contracted through a piston, the rotary support 4-8 is pulled to rotate around the rotary main shaft 4-9, and after the rotary support 4-8 rotates anticlockwise by 90 degrees, the horizontal operation of placing the pole column 1-1 is completed.
The loosening operation process of the pole 1-1 is as follows: after the pole 1-1 is laid down, the air pressure type guide rail storehouse wave heater 4-5 is controlled by operating the hydraulic system 4-14 to loosen the dovetail groove type linear slide rail 4-6, a piston rod of the hydraulic cylinder 4-10 is tightly held to extend, the slide block 4-4 is pushed to move towards the outer side of the station, the anti-tilting hydraulic hoop 4-1 is driven to slide towards the outer side of the station, and the profiling block base 4-2 and the nylon profiling block 4-3 are loosened from the pole 1-1.
In the description of the present invention, it should be noted that the terms "top", "bottom", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. The utility model provides a big switchgear's utmost point post upset station device which characterized in that: the pole automatic overturning station module comprises a station rack, a rotary support, a rotary hydraulic cylinder and a hydraulic system, wherein the bottom end of one side of the rotary support is rotatably connected with one end of the rotary support, the rotary hydraulic cylinder is fixedly arranged on the station rack, one end, far away from the rotary hydraulic cylinder, of a piston rod of the rotary hydraulic cylinder is hinged with the middle part of the rotary support, at least two clamping units are arranged on the other side of the rotary support and are arranged along the length direction of the rotary support at intervals, each clamping unit comprises two clamping mechanisms symmetrically arranged, each clamping mechanism comprises a clamping hydraulic cylinder, a sliding block, a guide rail bank wave heater, a linear sliding rail and an anti-tilting hydraulic hoop, the clamping hydraulic cylinder and the linear sliding rail are respectively and fixedly arranged on the rotary support, the guide rail bank wave heater is fixedly arranged at the bottom of the sliding block, the guide rail storehouse wave heater is in sliding fit with the linear slide rail, the sliding block is hinged with a piston rod of the holding hydraulic cylinder, the anti-tilting hydraulic hoop is fixedly arranged on the sliding block, a profiling block base is arranged on the inner side of the anti-tilting hydraulic hoop, and a nylon profiling block is arranged on the profiling block base; the holding hydraulic cylinder and the rotating hydraulic cylinder are respectively connected with the hydraulic system.
2. The pole overturning station device of the large-scale switchgear as claimed in claim 1, wherein: still including disassembling station module, safe lift platform module and being used for hanging the crane that moves large-scale switchgear's utmost point post, safe lift platform module is located utmost point post automatic upset station module with disassemble station module support, large-scale switchgear sets up disassemble on the station module, the staff passes through safe lift platform module can with the rings of crane are installed on the utmost point post or follow demolish on the utmost point post rings.
3. The pole overturning station device of the large-scale switchgear as claimed in claim 1, wherein: the guide rail wave heater is an air pressure type guide rail wave heater, and the linear guide rail is a dovetail groove type linear slide rail.
4. The pole overturning station device of the large-scale switchgear as claimed in claim 1, wherein: the profile of the nylon profile block is matched with the cross section profile of a pole of the large-scale switch equipment.
5. The pole overturning station device of the large-scale switchgear as claimed in claim 1, wherein: still be provided with the buffering cushion on the top surface of station rack, the rotary hydraulic cylinder drive after the runing rest rotation is the horizontality, the runing rest can extrude the buffering cushion.
6. The pole overturning station device of the large-scale switchgear as claimed in claim 5, wherein: an in-place switch is arranged in the buffering rubber mat and electrically connected with the hydraulic system, and when the in-place switch is triggered, the hydraulic system can be cut off, so that the rotary hydraulic cylinder is controlled to stop working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010926442.4A CN112061983A (en) | 2020-09-07 | 2020-09-07 | Pole column overturning station device of large-scale switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010926442.4A CN112061983A (en) | 2020-09-07 | 2020-09-07 | Pole column overturning station device of large-scale switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112061983A true CN112061983A (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010926442.4A Pending CN112061983A (en) | 2020-09-07 | 2020-09-07 | Pole column overturning station device of large-scale switch equipment |
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| Country | Link |
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| CN (1) | CN112061983A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043210A (en) * | 2021-04-22 | 2021-06-29 | 北京奥普科星技术有限公司 | Large-scale overturning platform for assembling tube-shaped equipment such as pipe jacking machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203283431U (en) * | 2013-05-13 | 2013-11-13 | 珠海格力电器股份有限公司 | Turnover mechanism for packaging of air conditioner indoor unit |
| CN107792818A (en) * | 2017-11-17 | 2018-03-13 | 陕西航天机电环境工程设计院有限责任公司 | A kind of great tonnage hydraulic roll-over table |
| CN110304537A (en) * | 2019-07-15 | 2019-10-08 | 扬州市神力吊具制造有限公司 | A kind of suspender for boiler heat-exchanger letter cylinder |
| CN211414995U (en) * | 2019-12-23 | 2020-09-04 | 宁夏新辉机械设备有限公司 | Multifunctional dismounting device |
-
2020
- 2020-09-07 CN CN202010926442.4A patent/CN112061983A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203283431U (en) * | 2013-05-13 | 2013-11-13 | 珠海格力电器股份有限公司 | Turnover mechanism for packaging of air conditioner indoor unit |
| CN107792818A (en) * | 2017-11-17 | 2018-03-13 | 陕西航天机电环境工程设计院有限责任公司 | A kind of great tonnage hydraulic roll-over table |
| CN110304537A (en) * | 2019-07-15 | 2019-10-08 | 扬州市神力吊具制造有限公司 | A kind of suspender for boiler heat-exchanger letter cylinder |
| CN211414995U (en) * | 2019-12-23 | 2020-09-04 | 宁夏新辉机械设备有限公司 | Multifunctional dismounting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043210A (en) * | 2021-04-22 | 2021-06-29 | 北京奥普科星技术有限公司 | Large-scale overturning platform for assembling tube-shaped equipment such as pipe jacking machine |
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Application publication date: 20201211 |