CN222456756U - Chimney steel platform vertical lifting construction operation platform - Google Patents
Chimney steel platform vertical lifting construction operation platform Download PDFInfo
- Publication number
- CN222456756U CN222456756U CN202421585284.0U CN202421585284U CN222456756U CN 222456756 U CN222456756 U CN 222456756U CN 202421585284 U CN202421585284 U CN 202421585284U CN 222456756 U CN222456756 U CN 222456756U
- Authority
- CN
- China
- Prior art keywords
- platform
- chimney
- construction
- operation platform
- supporting beam
- 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.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 98
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 101100334117 Caenorhabditis elegans fah-1 gene Proteins 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model discloses a chimney steel platform vertical lifting construction operation platform, and relates to the field of chimney steel platform construction operation. At present, as the thermal power generating unit is enlarged, the chimney is enlarged, the dead weight and the size of the steel platform are continuously increased, and the construction difficulty and the safety risk of the steel platform are greatly increased. The utility model comprises a supporting beam, a construction platform, an electric hanging basket and a lifting device, wherein the supporting beam is transversely arranged at the top end of an outer cylinder of a chimney, the construction platform is borne under the supporting beam through the lifting device and is lifted through the lifting device, the electric hanging basket is borne under the supporting beam and is lifted through the electric lifting device, the construction platform comprises a main operation platform and a radiation platform which is detachably connected and fixed on the outer side of the main operation platform, and the radiation platform comprises specifications of various radial width sizes. The utility model realizes the separation of people and goods, can be suitable for chimneys with different sizes, has high equipment recycling rate and improves the construction convenience and safety.
Description
Technical Field
The utility model relates to the field of construction operation of a chimney steel platform, in particular to a vertical lifting construction operation platform of the chimney steel platform.
Background
The large thermal power generating unit with the advantages of cleanness, environmental protection and high energy utilization rate is likely to replace a small generator set with serious environmental pollution and low power generation efficiency, and the matched facilities for unit construction are also continuously developed towards the large trend, such as a chimney, a cooling tower and the like.
At present, the chimney is generally in a sleeve type structure and mainly comprises a reinforced concrete outer cylinder and a suspension type steel inner cylinder, wherein a plurality of layers of steel platforms and auxiliary steel structures are arranged between the inner cylinder and the outer cylinder from top to bottom. The installation construction technical requirements of the steel platform and the auxiliary steel structure are high, the thermal power generating unit has the characteristics of high workload, high lifting difficulty, high aloft work and the like, along with the enlargement of the thermal power generating unit, the diameter of a chimney is also increased, the dead weight and the size of the steel platform are continuously increased, the construction difficulty and the safety risk of the steel platform are greatly increased, and along with the enlargement of the chimney, larger construction equipment is also required to be remanufactured to adapt to the construction of a new steel platform, so that the recycling rate of old construction equipment is not high.
Disclosure of utility model
The technical problems to be solved and the technical task to be solved by the utility model are to perfect and improve the prior art scheme, and provide the chimney steel platform vertical lifting construction operation platform, so as to improve the convenience of steel platform construction, the construction efficiency and the reusability of the construction platform. For this purpose, the present utility model adopts the following technical scheme.
The utility model provides a chimney steel platform vertical lift construction work platform, includes supporting beam, construction platform, electronic hanging flower basket and hoisting device, the supporting beam be used for the crossbearer in the top of the urceolus of chimney, construction platform bear below supporting beam through hoisting device to go up and down through hoisting device, electronic hanging flower basket bear below supporting beam and through electric lift, electronic hanging flower basket be located construction platform's top, construction platform be circular platform, including main work platform and radiation platform, radiation platform detachably connect and be fixed in the main work platform outside, radiation platform include the specification of multiple radial width size. This construction work platform can conveniently realize construction platform's lift, carry people and construction platform to carry cargo through electronic hanging flower basket, realize people and goods separation, through the radiation platform of the different radial width dimension's of detachably change installation specification, can effectively adapt to the construction of the different steel platforms of different chimneys, can adjust the working area in a flexible way as required, adapt to not unidimensional chimney, make equipment can reuse, construction cost is reduced, construction work platform's construction speed has been promoted, construction work platform greatly reduced steel platform construction degree of difficulty has been promoted construction convenience and security, can effectively promote the efficiency of construction.
The main working platform adopts an upper truss structure and a lower truss structure as the preferable technical means. The truss structure has good stability and bearing capacity, and the upper layer design and the lower layer design can further increase the bearing capacity and the stability of the platform, so that construction safety is ensured.
The support beam comprises a main beam section and a plurality of identical extension beam sections, wherein the extension beam sections can be detachably connected and extended from two ends of the main beam section to adapt to the size of a chimney. The detachable connection extension can be carried out according to the size of the chimney, so that the adaptability of the support beam to the size of the chimney is improved.
As the preferable technical means, the main girder section and the extension girder section are both of an upper truss structure and a lower truss structure. The girder section and the extension girder section are of an upper truss structure and a lower truss structure, so that the strength and the stability of the supporting girder are ensured.
The length of the upper layer of the supporting beam is longer than that of the lower layer, the supporting beam is symmetrical in the length direction, and the main beam section is of an isosceles trapezoid structure with a large upper part and a small lower part. The supporting beam structure is more stable in stress due to the fact that the supporting beam structure is designed according to the length symmetry, accessories of the lifting device are conveniently arranged on the upper portions of the two ends of the supporting beam, and the risk of collision between the lifting device and the lower portions of the two ends of the supporting beam or the outer side faces of a chimney cannot exist laterally when the lifting device works.
The main beam section and the extension beam section comprise 4 horizontal long beam columns, a plurality of inclined reinforcing ribs and a plurality of horizontal connecting rods, wherein the 4 horizontal long beam columns are arranged in parallel from top to bottom according to the left and right directions of the upper 2 horizontal long beam columns and the lower 2 horizontal long beam columns, the plurality of horizontal connecting rods are connected between the upper 2 horizontal long beam columns and the lower 2 horizontal long beam columns, and the upper horizontal long beam column and the lower horizontal beam column on the front side and the upper horizontal long beam column and the lower horizontal beam column on the rear side are connected and fixed through the plurality of inclined reinforcing ribs. Effectively realize 2 layers of two-layer truss-like supporting beam structures, firm in connection is reliable.
The connecting and fixing of the girder section and the extension girder section comprises connecting and fixing of fixing plates and connecting and fixing of inclined reinforcing ribs, wherein each horizontal long girder column adjacent to the girder section and the extension girder section is connected and fixed through 4 fixing plates, each fixing plate is connected and fixed with the horizontal long girder column through an array bolt, and the inclined reinforcing ribs are connected and fixed between the upper horizontal long girder column of the girder section and the lower horizontal long girder column of the extension girder section through bolts. The mode that is connected fixedly with oblique stiffening rib connection stationary phase and combines with the fixed plate has guaranteed the fastness and the stability of being connected between girder section and the extension girder section, and the bolted connection mode of array formula arrangement has improved the connection fastness.
The hoisting device comprises winches, diverting pulleys, movable pulleys and steel wire ropes, wherein the winches are symmetrically arranged on the ground on the left side and the right side of the chimney, the diverting pulleys are symmetrically distributed on the top of a supporting beam and the left and the right outer sides of the lower end of the chimney, 2 movable pulleys are symmetrically connected and fixed on a main operation platform, the steel wire ropes penetrate through the diverting pulleys and the movable pulleys in a left-right symmetrical mode, and two ends of the steel wire ropes are connected to the winches. The hoist is used for driving the steel wire rope to pull, so that the lifting of the construction platform can be safely and reliably realized, the operation is simple and convenient, and the lifting efficiency is high.
The lifting device is provided with a synchronous control device for controlling two movable pulley lifting points of the construction platform to synchronously and vertically move. The synchronous control device ensures the stability of the construction platform in the lifting process.
The electric hanging basket is provided with an emergency safety self-locking device as an optimal technical means. The safety of constructors in the lifting process is improved, and accidents during lifting are prevented.
The construction operation platform has the beneficial effects that the construction operation platform can conveniently realize lifting of the construction platform, people and goods are separated through the electric hanging basket carrying the people and the construction platform carrying the goods, the construction of different steel platforms of different chimneys can be effectively adapted through detachably replacing and installing the radiation platforms of different radial width sizes, the size of the operation platform can be flexibly adjusted according to requirements, the chimneys of different sizes are adapted, the equipment can be recycled, the construction cost is reduced, the construction speed of the construction operation platform is improved, the construction difficulty of the steel platform is greatly reduced through the liftable construction operation platform, the construction convenience and safety are improved, and the construction efficiency can be effectively improved.
Drawings
Fig. 1 is a schematic diagram of the structural principle of the present utility model.
FIG. 2 is a schematic illustration of the present utility model the supporting beam structure is schematically shown.
In the figure, 1, a supporting beam, 2, a construction platform, 3, an electric hanging basket, 4, a winch, 5, a diverting pulley, 6, a movable pulley, 7, a steel wire rope, 101, a main beam section, 102, an expanded beam section, 103, a long beam column, 104, reinforcing ribs, 105 and a fixing plate.
Detailed Description
The technical scheme of the utility model is further described in detail below with reference to the attached drawings.
As shown in FIG. 1, a chimney steel platform vertical lift construction work platform, including supporting beam 1, construction platform 2, electronic hanging flower basket 3 and hoisting device, supporting beam 1 is used for controlling to the roof beam in the top of the urceolus of chimney, construction platform 2 bears under supporting beam through hoisting device to go up and down through hoisting device, electronic hanging flower basket 3 is located the top of construction platform 2, bear under supporting beam and through electric lift, construction platform 2 is circular platform, including main work platform and radiation platform, radiation platform detachably connects to be fixed in the main work platform outside, the radiation platform includes the specification of multiple radial width size.
In order to improve the bearing capacity and ensure the safety, the main operation platform adopts an upper truss structure and a lower truss structure. The truss structure has good stability and bearing capacity, and the upper layer design and the lower layer design can further increase the bearing capacity and the stability of the platform, so that construction safety is ensured.
In order to promote the adaptability of the support beam to the size of the chimney, as shown in fig. 2, the support beam 1 comprises a main beam section 101 and a plurality of identical extension beam sections 102, the extension beam sections 102 being detachably connectable from both ends of the main beam section 101 to adapt to the size of the chimney. The detachable connection extension can be carried out according to the size of the chimney, so that the adaptability of the support beam to the size of the chimney is improved.
In order to ensure the strength and stability of the support beam 1, the main beam section 101 and the extension beam section 102 are both of an upper and lower truss structure. The girder section 101 and the extension girder section 102 are both of an upper truss structure and a lower truss structure, so that the strength and the stability of the support girder 1 are ensured.
In order to realize a firm and reliable truss type support beam structure, the length of the upper layer of the support beam 1 is greater than that of the lower layer, the support beam is symmetrical in the length direction, the main beam section 101 is of an isosceles trapezoid structure with a large upper part and a small lower part, the main beam section 101 and the extension beam section 102 respectively comprise 4 horizontal long beam columns 103, a plurality of inclined reinforcing ribs 104 and a plurality of horizontal connecting rods, the 4 horizontal long beam columns 103 are arranged in parallel in the left-right direction according to the upper 2 and the lower 2, the plurality of horizontal connecting rods are respectively connected between the upper 2 horizontal long beam columns 103 and the lower 2 horizontal long beam columns 103, and the upper horizontal long beam column 103 and the lower horizontal beam column at the rear side are respectively fixedly connected through the plurality of inclined reinforcing ribs 104. Effectively realize 2 layers of two-layer truss-like supporting beam structures, firm in connection is reliable, helps reinforcing supporting beam 1's bearing capacity, can make supporting beam 1 structure atress more stable according to length symmetry design simultaneously, and is convenient for arrange hoisting device's accessory on supporting beam's both ends upper portion, hoisting device during operation, can not laterally have and the both ends lower part of supporting beam 1 or the lateral surface emergence collision risk of chimney.
In order to achieve connection firmness between the main beam section 101 and the extension beam section 102, connection fixation between the main beam section 101 and the extension beam section 102 comprises connection fixation of fixing plates 105 and connection fixation of inclined reinforcing ribs 104, each horizontal long beam column 103 adjacent to the main beam section 101 and the extension beam section 102 is connected and fixed through 4 fixing plates 105, each fixing plate 105 is connected and fixed with the horizontal long beam column 103 through an array bolt, and the inclined reinforcing ribs 104 are connected and fixed between an upper horizontal long beam column 103 of the main beam section 101 and a lower horizontal long beam column 103 of the extension beam section 102 through bolts. The mode of connecting and fixing by the fixing plate 105 and connecting and fixing by the inclined reinforcing rib 104 ensures the firmness and stability of the connection between the main girder section 101 and the extension girder section 102, and the connection firmness is improved by the bolt connection mode of array arrangement.
In order to realize lifting of the lifting device, the lifting device comprises a winch 4, diverting pulleys 5, movable pulleys 6 and steel wire ropes 7, wherein the winch 4 is symmetrically arranged on the ground on the left side and the right side of the chimney, the diverting pulleys 5 are symmetrically distributed on the top of the supporting beam 1 and the left and the right outer sides of the lower end of the chimney, 2 movable pulleys 6 are symmetrically connected and fixed on a main working platform, the steel wire ropes 7 penetrate through the diverting pulleys 5 and the movable pulleys 6 in a left-right symmetrical mode, and two ends of the steel wire ropes 7 are connected to the winch 4. The lifting of the lifting device is effectively realized, the steel wire rope 7 is driven to be pulled through the winch 4, the lifting of the construction platform 2 can be safely and reliably realized, the operation is simple and convenient, and the lifting efficiency is high.
In order to ensure the stability of the construction platform 2 in the lifting process, the lifting device is provided with a synchronous control device to control the two movable pulleys 6 lifting points of the construction platform 2 to synchronously move vertically. The synchronous control device ensures the stability of the construction platform 2 in the lifting process, strengthens the lifting safety of the platform on the basis of reducing errors caused by uneven lifting speed among lifting points, accelerates the lifting speed, ensures stable lifting of equipment, improves the construction efficiency and reduces the occurrence of safety accidents.
In order to improve the safety of constructors in the lifting process, the electric hanging basket 3 is provided with an emergency safety self-locking device. The safety of constructors in the lifting process is improved, and accidents during lifting are prevented.
When the chimney is installed, after the outer cylinder of the chimney is constructed to the top, the supporting beam 1 is installed at the top of the outer cylinder of the chimney, so that the left end and the right end of the supporting beam extend out of the outer cylinder, and the supporting beam can select the main beam sections 101 and the corresponding number of the expansion beam sections 102 to be connected and fixed according to the diameter of the chimney. The upper surface of the upper layer of the supporting beam is connected with 3 groups of diverting pulleys 5, each group of 2 diverting pulleys are arranged symmetrically left, right and left, wherein the two end parts of the supporting beam are respectively provided with one diverting pulley 5, two outer sides of the bottom of the chimney are respectively provided with one diverting pulley 5, the two ends of a steel wire rope 7 are respectively connected to winches 4 on the ground at two sides of the chimney through the diverting pulleys 5 and a movable pulley 6 on a main working platform, when the electric hanging basket 3 is installed, 2 bearing points on the electric hanging basket 3 are positioned in the middle area of the lower layer of the supporting beam, and 2 bearing points are bilaterally symmetrical. The electric hanging basket 3 is used for carrying people, a standard manned lifting hanging basket is adopted, the upper layer of the construction platform 2 is used for placing a workpiece to be installed of a steel platform, the lower layer is used for placing machines and tools, and people and goods are separated. When the steel platform is installed, the chimney is installed on the steel platform from top to bottom and the ladder stand.
In order to improve the safety monitoring capability, the vertical lifting construction operation platform is also provided with a visualization system and a safety monitoring system.
In this example, 2 winches 4 are used in a 16 ton format. The steel wire rope 7 adopts phi 43 specification. In order to improve safety, the height of the supporting beam 1 is 2 meters, the front-back width is 1 meter, the bearing weight is designed to be 50t, the highest bearing weight is designed to be 62.5 t, the long beam column 103 adopts I-steel, the reinforcing rib 104 adopts angle steel, and the single piece highest weight of parts of the supporting beam is less than 0.6t for convenient installation and detachment. The maximum dead weight of the construction platform 2 is 14 tons, the design bearing capacity is 16 tons, the construction platform is designed according to a detachable structure, the construction platform is convenient to transport, a 1.25-time load test is carried out before use, and the construction platform is put into use after being qualified.
The construction work platform can conveniently realize lifting of the construction platform 2, and can carry people and load the load of the construction platform 2 through the electric hanging basket 3, so that people and load separation is realized, and safety is improved. Through the radiation platform of the specification of detachably changing the different radial width sizes of installation, can effectively adapt to the construction of the different steel platforms of different chimneys, can adjust the working area according to the demand in a flexible way, adapt to the chimney of different sizes, make equipment can reuse, reduce construction cost, promoted construction operation platform's construction speed simultaneously, liftable ground construction operation platform greatly reduced steel platform construction degree of difficulty, promoted construction convenience and security, can effectively promote the efficiency of construction.
The chimney steel platform vertical lifting construction operation platform shown in the above figures 1 and 2 is a specific embodiment of the utility model, has already demonstrated the essential characteristics and improvements of the utility model, and can be subjected to equivalent modification in terms of shape, structure and the like according to actual use requirements under the teaching of the utility model, and the equivalent modification is within the scope of protection of the scheme.
Claims (10)
1. The chimney steel platform vertical lifting construction operation platform is characterized by comprising a supporting beam (1), a construction platform (2), an electric hanging basket (3) and a lifting device, wherein the supporting beam (1) is used for being transversely erected at the top end of an outer cylinder of a chimney, the construction platform (2) is borne under a supporting beam through the lifting device and lifted through the lifting device, the electric hanging basket (3) is borne under the supporting beam and lifted through the electric lifting device, the electric hanging basket (3) is located on the construction platform (2), the construction platform (2) is a circular platform and comprises a main operation platform and a radiation platform, the radiation platform is detachably connected and fixed on the outer side of the main operation platform, and the radiation platform comprises specifications of various radial width sizes.
2. The chimney steel platform vertical lifting construction operation platform according to claim 1, wherein the main operation platform adopts an upper truss structure and a lower truss structure.
3. The vertical lifting construction work platform for the chimney steel platform according to claim 1, wherein the supporting beam (1) comprises a main beam section (101) and a plurality of identical extension beam sections (102), and the extension beam sections (102) can be detachably connected and extended from two ends of the main beam section (101) to adapt to the size of a chimney.
4. The chimney steel platform vertical lifting construction operation platform according to claim 3, wherein the main girder section (101) and the extension girder section (102) are of an upper truss structure and a lower truss structure.
5. The chimney steel platform vertical lifting construction operation platform according to claim 4, wherein the length of the upper layer of the supporting beam (1) is larger than that of the lower layer, the supporting beam is symmetrical in the length direction, and the main beam section (101) is of an isosceles trapezoid structure with a large upper part and a small lower part.
6. The chimney steel platform vertical lifting construction operation platform according to claim 5, wherein the main beam section (101) and the extension beam section (102) comprise 4 horizontal long beam columns (103), a plurality of inclined reinforcing ribs (104) and a plurality of horizontal connecting rods, the 4 horizontal long beam columns (103) are arranged in parallel in the left-right direction according to the upper 2 and the lower 2, the upper 2 horizontal long beam columns (103) and the lower 2 horizontal long beam columns (103) are connected with the plurality of horizontal connecting rods, and the upper horizontal long beam column (103) and the lower horizontal beam column on the front side and the upper horizontal long beam column (103) and the lower horizontal beam column on the rear side are connected and fixed through the plurality of inclined reinforcing ribs (104).
7. The chimney steel platform vertical lifting construction operation platform according to claim 6, wherein the connection and fixation between the main beam section (101) and the extension beam section (102) comprises connection and fixation of a fixing plate (105) and connection and fixation of an inclined reinforcing rib (104), each horizontal long beam column (103) adjacent to the main beam section (101) and the extension beam section (102) is connected and fixed through 4 fixing plates (105), each fixing plate (105) is connected and fixed with the horizontal long beam column (103) through an array bolt, and the inclined reinforcing rib (104) is connected and fixed between an upper horizontal long beam column (103) of the main beam section (101) and a lower horizontal long beam column (103) of the extension beam section (102) through a bolt.
8. The vertical lifting construction operation platform for the chimney steel platform is characterized in that the lifting device comprises a winch (4), diverting pulleys (5), movable pulleys (6) and steel wire ropes (7), wherein the winch (4) is symmetrically arranged on the ground on the left side and the right side of the chimney, the diverting pulleys (5) are symmetrically distributed on the top of the supporting beam (1) and the left outer side and the right outer side of the lower end of the chimney, 2 movable pulleys (6) are symmetrically connected and fixed on the upper surface of the main operation platform, the steel wire ropes (7) penetrate through the diverting pulleys (5) and the movable pulleys (6) symmetrically left and right, and two ends of the steel wire ropes (7) are connected to the winch (4).
9. The chimney steel platform vertical lifting construction operation platform according to claim 8, wherein the lifting device is provided with a synchronous control device for controlling the two movable pulleys (6) lifting points of the construction platform (2) to synchronously and vertically move.
10. The chimney steel platform vertical lifting construction operation platform according to claim 9 is characterized in that the electric hanging basket (3) is provided with an emergency safety self-locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421585284.0U CN222456756U (en) | 2024-07-05 | 2024-07-05 | Chimney steel platform vertical lifting construction operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421585284.0U CN222456756U (en) | 2024-07-05 | 2024-07-05 | Chimney steel platform vertical lifting construction operation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222456756U true CN222456756U (en) | 2025-02-11 |
Family
ID=94445619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421585284.0U Active CN222456756U (en) | 2024-07-05 | 2024-07-05 | Chimney steel platform vertical lifting construction operation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222456756U (en) |
-
2024
- 2024-07-05 CN CN202421585284.0U patent/CN222456756U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113966435A (en) | Wind driven generator mounting and dismounting device and construction method using same | |
| CN218712236U (en) | External mold device applied to continuous beam construction | |
| CN216403632U (en) | Split type cable carries loop wheel machine | |
| CN114059758A (en) | Assembled double-layer integral elevator shaft platform | |
| CN222456756U (en) | Chimney steel platform vertical lifting construction operation platform | |
| CN110685227A (en) | Construction method of formwork support system of obstacle-crossing wide-width swivel bridge closure segment hanging bracket method | |
| CN213448311U (en) | Deepwater assembled mooring device | |
| CN217730321U (en) | Unilateral column freight train waterproof cloth covers equipment | |
| CN208732495U (en) | A kind of small gun carriage | |
| CN216512520U (en) | Lifting system suitable for small space | |
| CN215828215U (en) | Self-balancing large-span net rack lifting structure | |
| CN209816682U (en) | Bridge steel box girder aerial working operation platform | |
| CN214270021U (en) | Operation radius lengthening device for tower crane | |
| CN112502475B (en) | Supporting bearing capacity conversion device and using method thereof | |
| CN212924170U (en) | Light door machine system for mounting prefabricated panel of wharf | |
| CN110424811B (en) | Construction method of steel structure indirect cooling tower expansion platform | |
| CN209778122U (en) | Jacking sleeve frame for mounting standard knot | |
| CN209923780U (en) | Suspended support of segment prefabricated bent cap | |
| CN111533034A (en) | Lifting device of large-scale hoisting equipment and method for disassembling large-scale hoisting equipment | |
| CN112373652A (en) | High strutting arrangement of platform is dismantled in semi-submerged formula jack-up | |
| CN201458585U (en) | Multifunctional combined hoisting frame for large electric equipment installation | |
| CN114084814A (en) | Lifting system suitable for small space | |
| CN113896084A (en) | Single loop wheel machine hoist and mount overlength fan blade gallows | |
| CN221421700U (en) | Bridge upright post construction operation platform | |
| CN222716455U (en) | Wind-powered electricity generation mixes variable diameter construction platform of tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |