CN110712165A - Special tool for disassembling and assembling water pump in large-scale water delivery and transfer system - Google Patents
Special tool for disassembling and assembling water pump in large-scale water delivery and transfer system Download PDFInfo
- Publication number
- CN110712165A CN110712165A CN201910941083.7A CN201910941083A CN110712165A CN 110712165 A CN110712165 A CN 110712165A CN 201910941083 A CN201910941083 A CN 201910941083A CN 110712165 A CN110712165 A CN 110712165A
- Authority
- CN
- China
- Prior art keywords
- layer
- cross arm
- water pump
- frame
- adjustable cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a special tool for disassembling and assembling a water pump applied to a large-scale water delivery and transfer system, which comprises: the device comprises a support, a lower layer frame, an upper layer frame, a first upper layer adjustable cross arm, a second upper layer adjustable cross arm, a first lower layer fixed cross arm, a second lower layer fixed cross arm, a ladder stand and a steel plate; the bracket is fixedly connected with the upper layer frame through the lower layer frame; a first upper-layer adjustable cross arm and a second upper-layer adjustable cross arm are arranged in the upper-layer frame, and an upper-layer inner hole is formed at the intersection of the first upper-layer adjustable cross arm and the second upper-layer adjustable cross arm; a first lower layer fixed cross arm and a second lower layer fixed cross arm are arranged in the lower layer frame, and a lower layer inner hole is formed at the intersection of the first lower layer fixed cross arm and the second lower layer fixed cross arm; the ladder stand is fixed between the upper layer frame and the lower layer frame, and the steel plate is laid on the upper layer frame; the invention effectively improves the working efficiency of the water pump disassembly and assembly and shortens the working time of the water pump disassembly and assembly; the maintenance cost and labor force of the water pump are effectively reduced, and the economic benefit is improved; the safety of the water pump dismounting work is effectively guaranteed.
Description
Technical Field
The invention relates to the field of pipeline water delivery, in particular to a special tool for disassembling and assembling a water pump applied to a large-scale water delivery and transfer system.
Background
At present, with the development of science and technology and industry, the technology for transferring and conveying water resources can realize long-distance conveying; in a long-distance large-scale water delivery and transfer system with complex terrains, more and more horizontal split-type multistage double-suction centrifugal pumps are adopted, and the maintenance work can be completed only by using special maintenance tools when the water pump is maintained. Therefore, when the water pump is overhauled and maintained, the work can not be well carried out, the working efficiency of equipment overhauling and maintenance is seriously influenced, and the site safety risk is higher. Therefore, a special maintenance tool for the horizontal split horizontal type multistage double-suction centrifugal pump needs to be developed, so that the on-site safety of maintenance is promoted, the working efficiency of maintenance is improved, and the safety, stability, high efficiency and economic operation of the large-scale water delivery and delivery system and the horizontal split horizontal type multistage double-suction centrifugal pump are ensured.
And in prior art, there is not yet an assembly and disassembly tool that can be safe effectual to the water pump dismouting maintenance.
Disclosure of Invention
The invention aims to: aiming at the existing problems, the special tool for disassembling and assembling the water pump applied to the large-scale water conveying and transferring system is provided; the invention solves the problem of low maintenance efficiency caused by no special tool when the water pump is disassembled and assembled; the problem of workman's incident appears easily when overhauing the water pump is solved.
The technical scheme adopted by the invention is as follows:
a water pump dismouting specialized tool for in large-scale water delivery transfer system, includes: the device comprises a support, a lower layer frame, an upper layer frame, a first upper layer adjustable cross arm, a second upper layer adjustable cross arm, a first lower layer fixed cross arm, a second lower layer fixed cross arm, a ladder stand and a steel plate; the number of the supports is a plurality, and the supports are fixedly connected with the upper layer frame through the lower layer frame; a first upper-layer adjustable cross arm and a second upper-layer adjustable cross arm which are perpendicular to each other are arranged in the upper-layer frame, and an upper-layer inner hole is formed at the intersection of the first upper-layer adjustable cross arm and the second upper-layer adjustable cross arm and used for a water pump to penetrate through; a first lower layer fixed cross arm and a second lower layer fixed cross arm which are mutually crossed and vertical are arranged in the lower layer frame, and a lower layer inner hole is formed at the crossed part of the first lower layer fixed cross arm and the second lower layer fixed cross arm and is used for fixing a main shaft of the water pump; the ladder stand is fixed between the upper-layer frame and the lower-layer frame, and the steel plate is laid on the upper-layer frame and used for standing.
By adopting the structure, when the water pump needs to be overhauled, the internal component of the water pump can be hoisted by the hoisting equipment, and the main shaft of the internal component of the water pump is slowly put down through the inner hole of the upper layer; when the main shaft end of the water pump internal assembly reaches the lower-layer inner hole and the impeller of the water pump internal assembly is close to the steel plate platform, two battens can be placed on the steel plate platform to prevent the water pump impeller from directly contacting the steel plate platform, and after the battens are arranged and the water pump assembly is determined to be stably placed on the disassembling tool, the lifting equipment is slowly separated from the water pump internal assembly; and finally, the worker can go up and down through the ladder stand, and when the upper part of the internal component of the water pump needs to be constructed, the worker can stand on the steel plate platform to carry out dismounting work.
Furthermore, the bracket is also provided with a plurality of reinforcing plates for making the bracket structure firmer; the reinforcing plate comprises a connecting support arranged on the upper portion of the support and a first reinforcing plate of the upper-layer frame, and a connecting support arranged on the lower portion of the support and a second reinforcing plate of the lower-layer frame.
Due to the adoption of the structure, the reinforcing plate is in the triangular shape, the triangular shape can enable the structure to be more stable, and after the dismounting tool is placed on the water pump, the dismounting tool can be guaranteed not to be deformed due to weight.
Further, the upper frame comprises a first upper frame and a second upper frame; the first upper frame and the second upper frame are arranged in an overlapping manner.
Furthermore, a first upper-layer adjustable cross arm is arranged on the first upper-layer frame, and a second upper-layer adjustable cross arm is arranged on the second upper-layer frame.
Further, pins for fixing the first upper-layer adjustable cross arm and the second upper-layer adjustable cross arm are further arranged on the first upper-layer frame and the second upper-layer frame.
Furthermore, the size of the inner hole of the upper layer can be changed by the first upper layer adjustable cross arm and the second upper layer adjustable cross arm through sliding.
By adopting the structure, the first upper-layer adjustable cross arm and the second upper-layer adjustable cross arm are respectively composed of two parallel channel steel, and a gap is formed between the two parallel channel steel, so that the gap at the intersection of the first upper-layer adjustable cross arm and the second upper-layer adjustable cross arm can form an upper inner hole for a water pump to pass through, the size of the upper inner hole can be changed by moving the first upper-layer adjustable cross arm and the second upper-layer adjustable cross arm, and the size of the upper inner hole can be changed according to the size of the water pump; the pin is used for fixing the cross arm after the adjustable cross arm is moved, so that the cross arm is prevented from shifting when the water pump is overhauled, and the water pump is prevented from falling.
Furthermore, a protective layer is arranged in the inner hole of the lower layer and used for protecting the water pump from being scratched.
Due to the adoption of the structure, the protective layer is made of rubber, when the water pump reaches the inner hole of the lower layer, the water pump can be stably placed in the inner hole of the lower layer, the deviation cannot occur, and the water pump can be prevented from being scratched through the protective layer.
Furthermore, the number of the supports is 4, and the 4 supports, the upper-layer frame and the lower-layer frame form a regular quadrilateral structure.
Due to the adoption of the structure, the regular quadrangle can ensure that the whole body is stably placed in the horizontal direction, a large amount of space is provided for personnel to walk, and the maintenance efficiency and safety of the water pump are ensured.
Furthermore, the bottom of the bracket is provided with a foot pad for protecting the bracket and supporting the ground
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention effectively improves the working efficiency of water pump disassembly and assembly and greatly shortens the working time of water pump disassembly and assembly.
2. The invention effectively reduces the maintenance cost and labor force of the water pump and improves the economic benefit.
3. The invention effectively ensures the safety of the disassembly and assembly work of the water pump.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is an internal structure view of a special tool for assembling and disassembling a water pump applied to a large-scale water delivery and transfer system.
Fig. 2 is a top structure view of a special tool for assembling and disassembling a water pump applied to a large-scale water delivery and transfer system.
Wherein, 1-a bracket; 2-upper frame; 3-a lower layer frame; 4-climbing a ladder; 5-a steel plate; 6-foot pad; 201-a first upper frame; 202-a second upper frame; 203-first upper adjustable cross arm; 204-a second upper adjustable cross arm; 205-upper inner hole; 206-a pin; 301-first lower fixed crossarm; 302-a second lower fixed cross arm; 303-lower layer inner hole; 304-a protective layer; 701-a first reinforcing plate; 702-a second stiffener.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Example 1
A special tool for disassembling and assembling a water pump applied to a large-scale water delivery and transfer system, as shown in fig. 1 and 2, comprising: the support comprises a support 1, a lower layer frame 3, an upper layer frame 2, a first upper layer adjustable cross arm 203, a second upper layer adjustable cross arm 204, a first lower layer fixed cross arm 301, a second lower layer fixed cross arm 302, a ladder stand 4 and a steel plate 5.
The number of the supports 1 is a plurality, and the supports are fixedly connected with the upper-layer frame 2 through the lower-layer frame 3; in this embodiment, preferably, the number of the brackets 1 is 4, and the 4 brackets 1, the upper layer frame 2 and the lower layer frame 3 form a regular quadrilateral structure, that is, the upper layer frame 2 and the lower layer frame 3 also form a quadrilateral structure, and the shapes and the sizes of the upper layer frame 2 and the lower layer frame 3 are the same, so as to prevent the water pump from toppling in the dismounting process and improve the stability; the bottom of the bracket 1 is also provided with a foot pad 6 for protecting the bracket 1 and supporting the ground; a reinforcing plate is further arranged on the bracket 1, and comprises a first reinforcing plate 701 and a second reinforcing plate 702; the first reinforcing plate 701 is positioned at the upper part of the support 1, two ends of the first reinforcing plate 701 are respectively connected with the support 1 and the upper-layer frame 2, the second reinforcing plate 702 is positioned at the lower part of the support 1, two ends of the second reinforcing plate 702 are respectively connected with the support 1 and the lower-layer frame 3, and the structure formed by the support 1, the upper-layer frame 2 and the lower-layer frame 3 is more stable, the structure cannot be damaged due to the overweight of the water pump, and preferably, the reinforcing plate is triangular; in the embodiment, the support 1, the upper layer frame 2 and the lower layer frame 3 are fixedly connected through welding, and the reinforcing plate, the support 1 and the upper layer frame 3 are also fixedly connected through welding; the upper layer frame 2 and the lower layer frame 3 are of a hollow structure.
The upper frame 2 comprises a first upper frame 201 and a second upper frame 202, the first upper frame 201 and the second upper frame 202 are overlapped, in this embodiment, the first upper frame 201 is above the second upper frame 202; a first upper-layer adjustable cross arm 203 is arranged in the first upper-layer frame 201, a second upper-layer adjustable cross arm 204 is arranged in the second upper-layer frame 202, and the first upper-layer adjustable cross arm 203 is arranged above the second upper-layer adjustable cross arm 204 and is mutually vertical; the first upper-layer adjustable cross arm 203 and the second upper-layer adjustable cross arm 204 are respectively composed of two parallel channel steel, and a gap is formed between the two parallel channel steel, so that the gap at the intersection of the first upper-layer adjustable cross arm 203 and the second upper-layer adjustable cross arm 204 can form an upper inner hole 205 for a water pump to pass through, the size of the upper inner hole 205 can be changed by moving the first upper-layer adjustable cross arm 203 and the second upper-layer adjustable cross arm 204, and the size of the upper inner hole 205 can be changed according to the size of the water pump; the upper frame 2 is further provided with a plurality of pins 206, and the number of the pins 206 is used for fixing the first upper adjustable cross arm 203 and the second upper adjustable cross arm 204 after the first upper adjustable cross arm 203 and the second upper adjustable cross arm 204 are moved.
Still having laid steel sheet 5 on upper frame 2, steel sheet 5 can shelter from all positions except upper inner hole 205 for when dismouting water pump, give workman a safe foothold, make the workman safer in the work.
A first lower layer fixing cross arm 301 and a second lower layer fixing cross arm 302 which are mutually crossed and vertical are arranged in the lower layer frame 3, and a lower layer inner hole 303 is formed at the crossed part of the first lower layer fixing cross arm 301 and the second lower layer fixing cross arm 302 and used for fixing a main shaft of a water pump; in this embodiment, the first lower fixing cross arm 301 and the second lower fixing cross arm 302 are respectively formed by two parallel channel steels, and a gap is formed between the two parallel channel steels, so that the gap at the intersection of the first lower fixing cross arm 301 and the second lower fixing cross arm 302 can form a lower inner hole 303, so that a water pump can be fixedly placed, and the construction of workers is facilitated; a protective layer 304 is further arranged on the inner side of the lower inner hole 303 and used for preventing the water pump from being scratched, and preferably, the protective layer 304 can be made of rubber; in this embodiment, the first lower fixing cross arm 301 and the second lower fixing cross arm 302 are fixedly connected to the lower frame 3 by welding; in other embodiments, the first lower fixing cross arm 301 and the second lower fixing cross arm 302 can be further connected with the lower frame 3 in a sliding manner, that is, the first lower fixing cross arm 301 and the second lower fixing cross arm 302 can slide on the lower frame 3, and the size of the lower inner hole 303 can be changed through sliding.
The ladder stand 4 is fixed between the upper layer frame 2 and the lower layer frame 3, one end of the ladder stand 4 is fixedly connected with the lower layer frame 3, and the other end of the ladder stand 4 is fixedly connected with the first upper layer frame 201, so that a worker can reach the steel plate 5 on the upper layer frame 2 through the ladder stand 4 to construct the water pump.
When the water pump needs to be disassembled and assembled in actual use, the internal components of the water pump are lifted by the lifting equipment, and the main shaft of the internal components of the water pump is slowly put down through the upper inner hole 205; when the main shaft end of the internal component of the water pump reaches the lower-layer inner hole 303 through the hollow structure between the upper-layer frame 2 and the lower-layer frame 3 and the impeller of the internal component of the water pump is close to the steel plate 5 platform, two battens can be placed on the steel plate 5 platform to prevent the impeller of the water pump from directly contacting with the steel plate 5 platform, and after the battens are set and the water pump component is determined to be stably placed on a dismounting tool, the hoisting equipment is slowly separated from the internal component of the water pump; it should be noted that when the internal components of the water pump are not completely put down by the hoisting equipment, the size of the inner hole 205 in the upper layer is adjusted by moving the first upper layer adjustable cross arm 203 and the second upper layer adjustable cross arm 204 according to requirements, so that the size of the inner hole is consistent with that of the internal components of the water pump, and the first upper layer adjustable cross arm 203 and the second upper layer adjustable cross arm 204 are fixed by the pin 206 after the sizes are consistent; finally, the worker can go up and down through the ladder stand 4, and when the upper portion of the internal component of the water pump needs to be constructed, the worker can stand on the steel plate 5 platform to carry out dismounting work.
According to the invention, through the dismounting tool, inner holes can be flexibly adjusted according to water pumps with different sizes, through the hollow structure between the upper layer frame 2 and the lower layer frame 3, workers can stand on the ground to directly overhaul the lower part of the water pump, and can stand on the steel plate 5 of the upper layer frame 2 to overhaul the upper part of the water pump through the ladder stand 4, so that the working efficiency of dismounting the water pump is effectively improved, and the working time of dismounting the water pump is effectively shortened; the maintenance cost and labor force of the water pump are effectively reduced, and the economic benefit is improved; through stable structure, effectively ensured the safety of water pump dismouting work.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (9)
1. The utility model provides a be applied to water pump dismouting specialized tool among large-scale water conveying and transferring system which characterized in that includes: the ladder comprises a support (1), a lower-layer frame (3), an upper-layer frame (2), a first upper-layer adjustable cross arm (203), a second upper-layer adjustable cross arm (204), a first lower-layer fixed cross arm (301), a second lower-layer fixed cross arm (302), a ladder stand (4) and a steel plate (5); the number of the brackets (1) is a plurality, and the brackets are fixedly connected with the upper layer frame (2) through the lower layer frame (3); a first upper-layer adjustable cross arm (203) and a second upper-layer adjustable cross arm (204) which are perpendicular to each other are arranged in the upper-layer frame (2), and an upper-layer inner hole (205) is formed at the intersection of the first upper-layer adjustable cross arm (203) and the second upper-layer adjustable cross arm (204) and used for a main shaft of a water pump to penetrate through; a first lower layer fixed cross arm (301) and a second lower layer fixed cross arm (302) which are mutually crossed and vertical are arranged in the lower layer frame (3), and a lower layer inner hole (303) is formed at the crossed part of the first lower layer fixed cross arm (301) and the second lower layer fixed cross arm (302) and is used for fixing a main shaft of the water pump; the ladder stand (4) is fixed between the upper-layer frame (2) and the lower-layer frame (3), and the steel plate (5) is laid on the upper-layer frame (2) and used for standing.
2. The special tool for disassembling and assembling the water pump applied to the large-scale water delivery and transfer system according to claim 1, wherein the bracket (1) is further provided with a plurality of reinforcing plates for enabling the structure of the bracket (1) to be firmer and increasing the safety of maintenance personnel; the reinforcing plate comprises a first reinforcing plate (701) arranged on a connecting support (1) at the upper part of the support (1) and an upper-layer frame (2), and a second reinforcing plate (702) arranged on the connecting support (1) at the lower part of the support (1) and a lower-layer frame (3).
3. The special tool for disassembling and assembling the water pump applied to the large-scale water conveying and transferring system according to claim 1, wherein the upper frame (2) comprises a first upper frame (201) and a second upper frame (202); the first upper frame (201) and the second upper frame (202) are arranged in an overlapping manner.
4. The tool special for disassembling and assembling the water pump applied to the large-scale water conveying and transferring system according to claim 3, wherein the first upper frame (201) is provided with a first upper adjustable cross arm (203), and the second upper frame (202) is provided with a second upper adjustable cross arm (204).
5. The special tool for disassembling and assembling the water pump applied to the large-scale water conveying and transferring system according to claim 3, wherein pins (206) for fixing the first upper-layer adjustable cross arm (203) and the second upper-layer adjustable cross arm (204) are further arranged on the first upper-layer frame (201) and the second upper-layer frame (202).
6. The special tool for disassembling and assembling the water pump applied to the large-scale water conveying and transferring system according to claim 5, wherein the first upper-layer adjustable cross arm (203) and the second upper-layer adjustable cross arm (204) can change the size of the upper-layer inner hole (205) through sliding.
7. The special tool for disassembling and assembling the water pump applied to the large-scale water delivery and transfer system according to claim 1, wherein a protective layer (304) is arranged in the lower inner hole (303) and used for protecting a main shaft of the water pump from being scratched.
8. The special tool for disassembling and assembling the water pump applied to the large-scale water conveying and transferring system according to claim 1, wherein 4 supports (1) are arranged, and the 4 supports (1), the upper layer frame (2) and the lower layer frame (3) form a regular quadrilateral structure.
9. The special tool for disassembling and assembling the water pump applied to the large-scale water delivery and transfer system according to claim 1, wherein a foot pad (6) is arranged at the bottom of the bracket (1) and used for protecting the bracket (1) and supporting the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910941083.7A CN110712165A (en) | 2019-09-30 | 2019-09-30 | Special tool for disassembling and assembling water pump in large-scale water delivery and transfer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910941083.7A CN110712165A (en) | 2019-09-30 | 2019-09-30 | Special tool for disassembling and assembling water pump in large-scale water delivery and transfer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110712165A true CN110712165A (en) | 2020-01-21 |
Family
ID=69212135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910941083.7A Pending CN110712165A (en) | 2019-09-30 | 2019-09-30 | Special tool for disassembling and assembling water pump in large-scale water delivery and transfer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110712165A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224263A (en) * | 1991-06-28 | 1993-07-06 | Digital Equipment Corporation | Gentle package extraction tool and method |
| CN201907097U (en) * | 2011-01-21 | 2011-07-27 | 河北省电力勘测设计研究院 | Multi-stage water pump impeller dismounting device |
| CN204366885U (en) * | 2014-11-28 | 2015-06-03 | 中国石油天然气股份有限公司 | Bearing extractor |
| CN205835201U (en) * | 2016-07-26 | 2016-12-28 | 湖南首创投资有限责任公司 | A kind of axial-flow pump bottom bearing dismantling mould |
| CN207240173U (en) * | 2017-09-22 | 2018-04-17 | 云南大红山管道有限公司 | Membrane pump outlet valve chamber opens and inspect device and the diaphragm pump of device is opened and inspect with valve chamber |
| CN108994775A (en) * | 2018-07-30 | 2018-12-14 | 东营华联石油化工厂有限公司 | A kind of new pump shaft and bearing separation method |
| CN208329748U (en) * | 2018-06-15 | 2019-01-04 | 中国葛洲坝集团机电建设有限公司 | The overhaul of the equipments platform easily assembled and disassembled in the water wheel chamber of power station |
-
2019
- 2019-09-30 CN CN201910941083.7A patent/CN110712165A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224263A (en) * | 1991-06-28 | 1993-07-06 | Digital Equipment Corporation | Gentle package extraction tool and method |
| CN201907097U (en) * | 2011-01-21 | 2011-07-27 | 河北省电力勘测设计研究院 | Multi-stage water pump impeller dismounting device |
| CN204366885U (en) * | 2014-11-28 | 2015-06-03 | 中国石油天然气股份有限公司 | Bearing extractor |
| CN205835201U (en) * | 2016-07-26 | 2016-12-28 | 湖南首创投资有限责任公司 | A kind of axial-flow pump bottom bearing dismantling mould |
| CN207240173U (en) * | 2017-09-22 | 2018-04-17 | 云南大红山管道有限公司 | Membrane pump outlet valve chamber opens and inspect device and the diaphragm pump of device is opened and inspect with valve chamber |
| CN208329748U (en) * | 2018-06-15 | 2019-01-04 | 中国葛洲坝集团机电建设有限公司 | The overhaul of the equipments platform easily assembled and disassembled in the water wheel chamber of power station |
| CN108994775A (en) * | 2018-07-30 | 2018-12-14 | 东营华联石油化工厂有限公司 | A kind of new pump shaft and bearing separation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103061506B (en) | Construction method of steel structure dome | |
| CN107191676B (en) | Buried pipeline construction method | |
| CN207647152U (en) | Tower lifts constructing device certainly | |
| CN103276907B (en) | Hoisting method for large-span hinged type herringbone steel arch | |
| CN110712165A (en) | Special tool for disassembling and assembling water pump in large-scale water delivery and transfer system | |
| CN107013044A (en) | The modularization installation method of lighting roof and the lowering or hoisting gear for installing lighting roof | |
| CN109505251B (en) | Method for erecting arched steel structure truss bridge | |
| CN104131706A (en) | Vertical steel bar two-layer connecting structure of concrete framework structure and construction method of vertical steel bar two-layer connecting structure | |
| CN107816209A (en) | The large-scale Roof Truss construction technology of installation is lifted across outer both sides | |
| CN204311717U (en) | Detachable combined Mobile operating platform | |
| CN205294694U (en) | Independent gin pole hoist device of movable | |
| CN207295501U (en) | The operating platform of bearing is reinforced for bridge Single column pier | |
| CN209583525U (en) | High-altitude traveling motor installs station | |
| CN105239804A (en) | Assembly and lift-erecting method of indirect air-cooling system stretching platforms | |
| CN205293909U (en) | Mobilizable assembled transport auxiliary device | |
| CN205369948U (en) | Lifting device for daylighting top is used for installing | |
| CN201873949U (en) | Bride prestress stretch-draw trolley | |
| CN105417422A (en) | Movable independent derrick mast lifting device and lifting method thereof | |
| CN103924796B (en) | Tower large rise buildings removes machine | |
| CN207633519U (en) | A kind of decorative closed annular steel construction for building external | |
| CN109704245B (en) | Large-scale hydraulic lifting stress conversion device | |
| CN205369058U (en) | Maintenance platform of straight king -post of detachable cable -stay bridge | |
| CN110952465A (en) | Arch ring supporting template and setting method thereof | |
| CN104209724A (en) | Combined steel frame for assembling headframe | |
| CN203441093U (en) | Portal lifting device for building construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |