CN110950252A - Vertical hydraulic turbine upper frame hoisting accessory - Google Patents
Vertical hydraulic turbine upper frame hoisting accessory Download PDFInfo
- Publication number
- CN110950252A CN110950252A CN201911249141.6A CN201911249141A CN110950252A CN 110950252 A CN110950252 A CN 110950252A CN 201911249141 A CN201911249141 A CN 201911249141A CN 110950252 A CN110950252 A CN 110950252A
- Authority
- CN
- China
- Prior art keywords
- frame
- lifting
- pulley
- support
- upper frame
- 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.)
- Withdrawn
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides an upper frame lifting device of a vertical water turbine, which comprises a base, a frame pillar, a coiling mechanism, a transverse support, a lifting frame and clamps, wherein the frame pillar is fixedly arranged on one side of the base, the transverse support is arranged above the frame pillar and is vertically connected with the frame pillar, an electric hoist is connected below the free end of the transverse support, the lifting frame is connected below the electric hoist, the clamps are uniformly arranged at the bottom of the lifting frame, a sliding rail is arranged on the transverse support along the length direction, an electric sliding block is connected above the electric hoist and is arranged on the sliding rail, and a hydraulic lifting rod is arranged between the frame pillar and the transverse support. The invention solves the problem that the upper frame has no special hoisting tool, greatly reduces the hoisting difficulty of the upper frame, realizes stable hoisting and hoisting of the upper frame by using the hoisting frame and the clamp, eliminates potential safety hazards, shortens the overhaul period and greatly saves manpower and material resources.
Description
Technical Field
The invention belongs to the technical field of lifting and hoisting of hydroelectric power plant equipment, and particularly relates to a lifting device for an upper frame of a vertical water turbine.
Background
The upper frame of the vertical water turbine is a radial frame and comprises 8 support arms, the upper frame needs to be lifted and hoisted in the unit capacity increasing transformation or maintenance process, however, in the lifting and hoisting process of the upper frame, because a lifting tool is not used, the central shaft of the upper frame is generally bound by a steel wire rope on site to be directly lifted, the upper frame is difficult to adjust to an ideal horizontal state, stable lifting and hoisting are difficult to realize, the difficulty in lifting the upper frame is not increased, the maintenance construction efficiency is reduced, and certain potential safety hazards are also caused.
Therefore, a special device specially used for hoisting and hoisting the upper frame is needed.
Disclosure of Invention
The invention provides a vertical water turbine upper frame lifting device, which overcomes the defects of difficult lifting and long overhaul period in the background technology and realizes stable lifting and safe lifting of an upper frame.
The technical scheme of the invention is as follows: a vertical water turbine upper frame lifting device comprises a base, a frame pillar, a coiling mechanism, a transverse support, a lifting frame and clamps, wherein the frame pillar is fixedly installed on one side of the base, the transverse support is installed above the frame pillar and is vertically connected with the frame pillar, an electric hoist is connected below the free end of the transverse support, the lifting frame is connected below the electric hoist, a plurality of clamps are uniformly installed at the bottom of the lifting frame, the transverse support is provided with a slide rail along the length direction, an electric slider is connected above the electric hoist and installed on the slide rail, and a hydraulic lifting rod is arranged between the frame pillar and the transverse support;
the lifting frame comprises a circular frame body, lifting arms which are symmetrically arranged in the frame body and are of a radiation structure, and connecting rods arranged above the central position of the lifting frame, wherein the connecting rods are of an internal hollow tube structure, the electric hoist is connected with the lifting frame through the connecting rods, and the lifting arms are respectively provided with a circular through hole I;
the clamp comprises a connecting arm vertically fixed with the lifting arm, a transverse arm arranged at the lower end of the connecting arm, longitudinal arms symmetrically arranged below two ends of the transverse arm through hinges, and a V-shaped inclined strut arranged between the two longitudinal arms, wherein the connecting arm is of a hollow tube structure, and a circular through hole II is formed in the mounting position of the connecting arm on the transverse arm;
the utility model discloses a mechanism for coiling, including carousel, handle, spool, fixed axle, pulley I, pulley support I, pulley II, pulley support II, haulage rope, the fixed axle is along transversely fixing between the frame pillar inner wall, the spool cover is located on the fixed axle, haulage rope one end is twined on the spool, one end pass pulley I, pulley II, connecting rod, linking arm respectively with the V type bracing center of anchor clamps is connected, pulley support I is fixed on the frame pillar inner wall, pulley I passes through I fixed mounting of pulley support, pulley support II is fixed on the connecting rod inner wall, pulley II passes through II fixed mounting of pulley support, carousel central point puts the department and is equipped with the pivot, pivot and spool fixed connection.
As a further scheme of the invention: the base with the other end internally mounted that frame pillar mounted position is relative has actuating mechanism, the base bottom is equipped with the walking wheel, actuating mechanism control the removal of base.
As a further scheme of the invention: the side on the rack support is provided with a control panel, the control panel is provided with a plurality of control buttons, and the control panel is electrically connected with the electric hoist, the electric slider, the driving mechanism and the hydraulic lifting rod.
As a further scheme of the invention: the bottom of the connecting rod is provided with a plurality of notches corresponding to the lifting arm, and the steel wire rope enters the connecting rod from the notches.
As a further scheme of the invention: the connecting rod top is equipped with the go-between, the go-between is realized the connection of gallows and electric block.
As a further scheme of the invention: a round through hole III is formed above the mounting position of the pulley I of the rack support column, and a round through hole IV is formed above the mounting position of the pulley II of the connecting rod and used for a steel wire rope to penetrate through.
As a further scheme of the invention: the elastic cushion blocks are arranged on the opposite side faces of the longitudinal arms, and transverse stripes are arranged on the elastic cushion blocks, so that the friction force between the clamp and the upper frame is increased.
As a further scheme of the invention: the carousel includes that outside circle segment, symmetry arrange a plurality of connecting pieces, the mounting hole of circle segment inside in, the mounting hole sets up in arbitrary connecting piece and is close to circle segment position department for place the handle, conveniently utilize the handle to rotate the carousel.
As a further scheme of the invention: the handle is of a cylindrical structure or a T-shaped structure or an L-shaped structure.
As a further aspect of the invention: a plurality of positioning holes are formed in the rack support column at the mounting position of the coiling mechanism along the circumferential direction of the concentric circle of the turntable, and the diameters of the positioning holes, the mounting holes and the handle are consistent.
As a further aspect of the invention: the distance between the positioning hole and the circle center of the rotary table is smaller than the diameter of the rotary table.
The invention has the advantages that: the lifting frame and the clamp of the invention realize safe and stable lifting and hoisting of the upper frame, realize transverse and longitudinal adjustment of the lifting position by utilizing the electric hoist, the electric slide block and the hydraulic price raising device, facilitate the movement of the whole device by arranging the walking wheels on the base, greatly reduce the lifting difficulty of the upper frame, realize stable lifting and hoisting of the upper frame, eliminate potential safety hazards, shorten the overhaul period and greatly save manpower and material resources.
Drawings
FIG. 1 is a schematic structural diagram of a hoisting device of an upper frame of a vertical water turbine;
FIG. 2 is a schematic structural diagram of a lifting frame in the lifting device of the upper frame of the vertical water turbine;
FIG. 3 is a schematic structural diagram of a clamp in a vertical water turbine upper frame lifting device;
FIG. 4 is a schematic structural diagram of a coiling mechanism in a vertical water turbine upper frame hoisting device;
FIG. 5 is a schematic view of a connecting rod structure of a lifting frame in the lifting device of the upper frame of the vertical water turbine;
FIG. 6 is a schematic diagram of a turntable structure of a coiling mechanism in a vertical water turbine upper frame hoisting device;
wherein: 1. the base, 2, the walking wheel, 3, the frame pillar, 4, coil mechanism, 401, the carousel, 402, the handle, 403, the spool, 404, the fixed axle, 405, pulley support I, 406, pulley I, 407, pulley support II, 408, pulley II, 409, haulage rope, 410, the connecting piece, 5, control panel, 6, hydraulic lifting rod, 7, horizontal support, 8, the slide rail, 9, electric slider, 10, the electric hoist, 11, the string lifting frame, 111, the framework, 112, the string lifting arm, 113, circular through-hole I, 114, the connecting rod, 115, the connecting ring, 116, the notch, 12, anchor clamps, 121, the connecting arm, 122, horizontal arm, 123, V type bracing, 124, vertical arm, 125, the elastic cushion, 13, the locating hole.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
As shown in fig. 1-6, in an embodiment of the present invention, an upper frame lifting device for a vertical water turbine includes a base 1, a frame pillar 3, a coiling mechanism 4, a transverse support 7, a lifting frame 11, and clamps 12, where the frame pillar 3 is fixedly installed at one side of the base 1, the transverse support 7 is installed above the frame pillar 3 and is vertically connected to the frame pillar 3, an electric hoist 10 is connected below a free end of the transverse support 7, the lifting frame 11 is connected below the electric hoist 10, a plurality of clamps 12 are uniformly installed at the bottom of the lifting frame 11, the transverse support 7 is provided with a slide rail 8 along a length direction, an electric slider 9 is connected above the electric hoist 10, the electric slider 9 is installed on the slide rail 8, the electric slider 9 drives the lifting frame 11 connected to the bottom of the electric hoist 10 to move transversely along the slide rail 8, a hydraulic lifting rod 6 is arranged between the rack strut 3 and the transverse bracket 7, and the hydraulic lifting rod 6 can drive the lifting frame 11 to move in the vertical direction;
in this embodiment, as shown in fig. 2, the lifting frame 11 includes a circular frame 111, a lifting arm 112 symmetrically disposed inside the frame 111 and having a radiation structure, and a connecting rod 114 disposed above a central position of the lifting frame 11, where the connecting rod 114 is an internal hollow tube structure, the electric hoist 10 is connected to the lifting frame 11 through the connecting rod 114, and the lifting arm 112 is respectively provided with a circular through hole i 113;
in this embodiment, as shown in fig. 3, the clamp 12 includes a connecting arm 121 fixed perpendicular to the lifting arm 112, a transverse arm 122 disposed at a lower end of the connecting arm 121, longitudinal arms 124 symmetrically disposed below two ends of the transverse arm 122 through hinges, and a V-shaped inclined strut 123 disposed between the two longitudinal arms 124, where the connecting arm 121 is a hollow tube structure, and a circular through hole ii is disposed at a mounting position of the connecting arm 121 on the transverse arm 122;
in this embodiment, as shown in fig. 4 and 6, the coiling mechanism 4 includes a turntable 401, a handle 402, a bobbin 403, a fixing shaft 404, a pulley i 406, a pulley support i 405, a pulley ii 408, a pulley support ii 407, and a pulling rope 409, wherein the fixing shaft 404 is transversely fixed between the inner walls of the rack support 3, the bobbin 403 is sleeved on the fixing shaft 404, one end of the pulling rope 409 is wound on the bobbin 403, and the other end of the pulling rope 409 passes through the pulley i 406, the pulley ii 408, the connecting rod 114, and the connecting arm 121 to be connected with the center of the V-shaped inclined strut 123 of the clamp 12, the pulley support 405 is fixed on the inner wall of the rack support 3, the pulley i 406 is fixedly installed through the pulley support i 405, the pulley support ii 407 is fixed on the inner wall of the connecting rod 114, the pulley ii 408 is fixedly installed through the pulley support ii 407, a rotating shaft is, the rotating shaft is fixedly connected with the spool 403, and the turntable 401 rotates to drive the rotating shaft to rotate so as to drive the spool 403 to rotate to take up and pay off the steel wire rope 409.
In a preferred embodiment of the invention: base 1 with the other end internally mounted that 3 mounted positions of frame pillar are relative has actuating mechanism, base 1 bottom is equipped with walking wheel 2, actuating mechanism control the removal of base 1 installs actuating mechanism in the opposite side of base 1 also can balance the weight of support pillar 3 installation department, prevents that base 1 from turning on one's side, can install stone or steel block balance weight additional on base 1 when necessary.
In a preferred embodiment of the invention: be equipped with control panel 5 on the side on the frame pillar 3, be equipped with a plurality of control button on the control panel 5, control panel 5 with electric hoist 10, electric slider 9, actuating mechanism, 6 electric connection of hydraulic pressure lifter.
In a preferred embodiment of the invention: the bottom of the connecting rod 114 is provided with a plurality of notches 116 corresponding to the positions of the lifting arms 112, and the steel wire rope 409 enters the connecting rod 114 from the notches 116.
In a preferred embodiment of the invention: the top end of the connecting rod 114 is provided with a connecting ring 115, and the connecting ring 115 realizes the connection between the lifting frame 11 and the electric hoist 10, as shown in fig. 5.
In a preferred embodiment of the invention: a round through hole III is formed above the mounting position of the pulley I406 of the rack support 3, and a round through hole IV is formed above the mounting position of the pulley II 408 of the connecting rod 114 and used for a steel wire rope 409 to penetrate through.
In a preferred embodiment of the invention: the opposite side of the longitudinal arm 124 is provided with an elastic cushion block 125, and the elastic cushion block 125 is provided with transverse stripes, so that the friction force between the clamp 12 and the upper frame is increased.
In a preferred embodiment of the invention: carousel 401 includes outside circle segment, symmetry and arranges inside a plurality of connecting pieces 410, the mounting hole of circle segment in, the mounting hole sets up in arbitrary connecting piece and is close to circle segment position department for place handle 402, conveniently utilize handle 402 to rotate carousel 401, save time and laborsaving.
In a preferred embodiment of the invention: the handle 402 has a cylindrical configuration or a T-shaped configuration or an L-shaped configuration.
In a preferred embodiment of the invention: a plurality of positioning holes 13 are formed in the rack support 1 at the mounting position of the coiling mechanism 4 along the circumferential direction of the concentric circle of the rotary table 401, the diameters of the positioning holes 13, the mounting holes and the handle 402 are consistent, after the clamp 12 clamps the support arm of the upper rack, the handle 402 is mounted on the positioning holes 13, and the position of the rotary table 401 is fixed, so that the phenomenon that the clamp 12 is not clamped tightly due to the rotation of the rotary table 401, the upper rack falls to hurt people or the upper rack is damaged is prevented.
In a preferred embodiment of the invention: the distance between the positioning hole 13 and the circle center of the rotary table is smaller than the diameter of the rotary table 401.
The working principle of the invention is as follows: the base 1 and the whole device are moved to a water turbine to be overhauled by using a driving mechanism, the control panel 5 is used for controlling the electric sliding block 9 to move to drive the lifting frame 11 to move to the position right above the upper frame, the lifting frame 11 is lowered by using the electric hoist 10 to enable the longitudinal arm 124 of the clamp 12 to be positioned at two sides of the support arm, the handle 402 is used for rotating the rotary table 401, the steel wire rope 409 is contracted, the center of the V-shaped inclined support 123 is driven to be upward, the longitudinal arm 124 is driven to be tightened towards the middle, the support arm is clamped, the handle 402 is installed on the positioning hole 13, the steel wire rope 409 is tightened as much as possible, the positioning hole 13 can be selected to enable the steel wire rope 409 to be more contracted, the electric hoist 10 is reversely retracted to enable the upper frame to move upwards, the electric sliding block 9 is moved again.
While the preferred embodiments of the invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made without departing from the technical scope of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The vertical water turbine upper frame hoisting device is characterized by comprising a base, a frame support, a coiling mechanism, a transverse support, a hoisting frame and clamps, wherein the frame support is fixedly installed on one side of the base, the transverse support is installed above the frame support and is vertically connected with the frame support, an electric hoist is connected below the free end of the transverse support, the hoisting frame is connected below the electric hoist, a plurality of clamps are uniformly installed at the bottom of the hoisting frame, a sliding rail is arranged on the transverse support along the length direction, an electric sliding block is connected above the electric hoist and installed on the sliding rail, and a hydraulic lifting rod is arranged between the frame support and the transverse support;
the lifting frame comprises a circular frame body, lifting arms which are symmetrically arranged in the frame body and are of a radiation structure, and connecting rods arranged above the central position of the lifting frame, wherein the connecting rods are of an internal hollow tube structure, the electric hoist is connected with the lifting frame through the connecting rods, and the lifting arms are respectively provided with a circular through hole I;
the clamp comprises a connecting arm vertically fixed with the lifting arm, a transverse arm arranged at the lower end of the connecting arm, longitudinal arms symmetrically arranged below two ends of the transverse arm through hinges, and a V-shaped inclined strut arranged between the two longitudinal arms, wherein the connecting arm is of a hollow tube structure, and a circular through hole II is formed in the mounting position of the connecting arm on the transverse arm;
the utility model discloses a mechanism for coiling, including carousel, handle, spool, fixed axle, pulley I, pulley support I, pulley II, pulley support II, haulage rope, the fixed axle is along transversely fixing between the frame pillar inner wall, the spool cover is located on the fixed axle, haulage rope one end is twined on the spool, one end pass pulley I, pulley II, connecting rod, linking arm respectively with the V type bracing center of anchor clamps is connected, pulley support I is fixed on the frame pillar inner wall, pulley I passes through I fixed mounting of pulley support, pulley support II is fixed on the connecting rod inner wall, pulley II passes through II fixed mounting of pulley support, carousel central point puts the department and is equipped with the pivot, pivot and spool fixed connection.
2. The vertical water turbine upper frame hoisting device according to claim 1, wherein a driving mechanism is mounted inside the other end of the base opposite to the mounting position of the frame pillar, and walking wheels are arranged at the bottom of the base, and the driving mechanism controls the movement of the base.
3. The vertical water turbine upper frame hoisting device of claim 2, wherein a control panel is arranged on a side surface of the frame pillar, a plurality of control buttons are arranged on the control panel, and the control panel is electrically connected with the electric hoist, the electric slider, the driving mechanism and the hydraulic lifting rod.
4. The vertical water turbine upper frame hoisting device according to claim 1, wherein the bottom of the connecting rod is provided with a plurality of notches corresponding to the positions of the lifting arms, and the steel wire ropes enter the inside of the connecting rod from the notches.
5. The vertical water turbine upper frame hoisting device according to claim 1, wherein the top end of the connecting rod is provided with a connecting ring, and the connecting ring is used for connecting the hoisting frame with an electric hoist.
6. The hoisting device on the stand of a vertical water turbine as claimed in claim 1, wherein a circular through hole III is provided above the mounting position of the pulley I of the stand column, and a circular through hole IV is provided above the mounting position of the pulley II of the connecting rod for the steel wire rope to pass through.
7. The hoisting device for the upper frame of the vertical water turbine as claimed in claim 1, wherein the opposite sides of the longitudinal arms are provided with resilient pads, and the resilient pads are provided with transverse stripes to increase the friction between the clamping device and the upper frame.
8. The vertical water turbine upper frame hoisting device according to claim 1, wherein the turntable comprises an outer circular section, a plurality of connecting members symmetrically arranged inside the circular section, and a mounting hole, and the mounting hole is arranged at a position close to the circular section of any connecting member.
9. The vertical turbine upper frame lifting device according to claim 1, wherein the handle is of a cylindrical structure, a T-shaped structure or an L-shaped structure.
10. The hoisting device for the upper frame of the vertical water turbine as claimed in claim 8, wherein the frame support column at the mounting position of the coiling mechanism is provided with a plurality of positioning holes along the circumferential direction of the concentric circles of the turntable, the diameters of the positioning holes, the mounting holes and the handle are consistent, and the distance from the positioning holes to the center of the turntable is smaller than the diameter of the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911249141.6A CN110950252A (en) | 2019-12-09 | 2019-12-09 | Vertical hydraulic turbine upper frame hoisting accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911249141.6A CN110950252A (en) | 2019-12-09 | 2019-12-09 | Vertical hydraulic turbine upper frame hoisting accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110950252A true CN110950252A (en) | 2020-04-03 |
Family
ID=69980349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911249141.6A Withdrawn CN110950252A (en) | 2019-12-09 | 2019-12-09 | Vertical hydraulic turbine upper frame hoisting accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110950252A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919334A (en) * | 2021-01-25 | 2021-06-08 | 四川省星光钢结构有限公司 | Movable combined device for assembly type steel structure |
| CN114852859A (en) * | 2022-05-06 | 2022-08-05 | 海安县石油科研仪器有限公司 | Movable petroleum pipe crane |
-
2019
- 2019-12-09 CN CN201911249141.6A patent/CN110950252A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919334A (en) * | 2021-01-25 | 2021-06-08 | 四川省星光钢结构有限公司 | Movable combined device for assembly type steel structure |
| CN114852859A (en) * | 2022-05-06 | 2022-08-05 | 海安县石油科研仪器有限公司 | Movable petroleum pipe crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110950252A (en) | Vertical hydraulic turbine upper frame hoisting accessory | |
| CN215364383U (en) | Wind power generation tower cylinder maintenance and repair device | |
| CN211872658U (en) | Modular asynchronous construction hangs basket | |
| CN220245368U (en) | Electric hoist gantry crane | |
| CN210103238U (en) | Device for elevator subsection well construction | |
| CN108035530B (en) | Oil tank inner wall construction hanging basket | |
| CN115057336B (en) | Installation device for boom tray and boom nut of beam lifting machine | |
| CN111155444B (en) | Combined type asynchronous construction hanging basket | |
| CN212802418U (en) | Over-and-under type operation device for construction | |
| CN212315367U (en) | Simple and easy electric block of exempting from installation | |
| CN115504384A (en) | Indoor substation equipment maintenance gallows | |
| CN210658048U (en) | Operating platform for bridge construction process | |
| CN217555439U (en) | Power construction cable pay-off | |
| CN113666274A (en) | A kind of building intelligent lifting equipment | |
| CN203333188U (en) | Greenhouse straw mattress lifting machine | |
| CN208454365U (en) | A kind of lifting apparatus used for steel girder erection | |
| CN112897283A (en) | Wind power generation tower cylinder maintenance and repair device | |
| CN220058768U (en) | Pulley type hanging basket hanging device | |
| CN221253635U (en) | Safety elevator capable of adjusting heavy core position | |
| CN220182613U (en) | Spherical rack installation handling equipment in concentration workshop | |
| CN219792148U (en) | Full-automatic hoisting device of prefabricated structure for underground station | |
| CN117105114B (en) | Rocker arm and holding pole crawler type integrated equipment for electric power iron tower transportation and installation | |
| CN219751727U (en) | Mechanical equipment lifting frame | |
| CN218903930U (en) | Cantilever hanging frame | |
| CN214733973U (en) | Material lifting device for tunnel vault installation operation |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200403 |
|
| WW01 | Invention patent application withdrawn after publication |