CN113772531B - Hoisting equipment and construction mode thereof - Google Patents
Hoisting equipment and construction mode thereof Download PDFInfo
- Publication number
- CN113772531B CN113772531B CN202111104901.1A CN202111104901A CN113772531B CN 113772531 B CN113772531 B CN 113772531B CN 202111104901 A CN202111104901 A CN 202111104901A CN 113772531 B CN113772531 B CN 113772531B
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- China
- Prior art keywords
- hydraulic jack
- lifting
- pulling
- shoulder pole
- steel cable
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- 238000010276 construction Methods 0.000 title abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- 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
- B66C1/62—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 comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—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 comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The application relates to lifting equipment and a using mode thereof, and relates to the field of lifting construction, comprising lifting equipment, wherein the lifting equipment comprises a travelling crane and a hydraulic jack, the hydraulic jack is arranged on the travelling crane, a shoulder pole beam is fixedly connected with the hydraulic jack, and a lifting hook is arranged on the shoulder pole beam; the hydraulic jack is arranged on the travelling crane in a construction mode; connecting the carrying pole beam with a hydraulic jack, starting the hydraulic jack, lifting the carrying pole beam through the hydraulic jack, and driving a lifting hook to lift the carrying pole beam; the application has the effect of being convenient for hoisting the generator stator.
Description
Technical Field
The application relates to the field of hoisting construction, in particular to hoisting equipment and a using mode thereof.
Background
Some workshops can be closed and then are provided with generator stators, so that the operation task of hoisting the generator stators can be completed in the workshops, a hook bridge crane is generally arranged in the workshops, the weight of the generator stators far exceeds the rated load of a crane, and the hoisting of the generator stators cannot be directly realized.
Referring to fig. 1, in the related art, two protruding columns 11 are respectively disposed at two sides of a generator stator 1, a disc 12 is disposed at one side of the protruding columns 11 away from a housing of the generator stator 1, a diameter of the disc 12 is larger than that of the protruding columns 11, and a lifting rope 13 is connected to each two protruding columns 11.
The operator typically lifts the generator stator into position with the crane in conjunction with a crawler crane.
In view of the above related art, the inventor considers that the crawler crane is matched with the travelling crane, which is difficult to implement, high in cost and long in time, and is inconvenient to hoist the generator stator.
Disclosure of Invention
In order to facilitate hoisting of the generator stator, the application provides hoisting equipment and a use mode thereof.
The application provides hoisting equipment and a use mode thereof, which adopts the following technical scheme:
In a first aspect, the present application provides a hoisting device, which adopts the following technical scheme:
A hoisting device comprises a crane; the hydraulic jacks are arranged on the travelling crane, and each hydraulic jack is provided with a plurality of lifting steel ropes; the shoulder pole beam is fixedly connected with the lifting steel rope, and a lifting hook is arranged on the shoulder pole beam.
Through adopting above-mentioned technical scheme, when needs promote the goods, carry out the lifting to the promotion cable wire through a plurality of hydraulic jack, promote cable wire pulling shoulder pole roof beam, shoulder pole roof beam drives the lifting hook motion, the lifting hook pulls up the lifting rope, because hydraulic jack's model is optional, constructor can select suitable hydraulic jack to promote according to specific construction condition, when the heavy generator stator of lifting device unable hoist and mount of driving oneself, can install the hydraulic jack that bearing capacity is stronger, thereby realize the promotion to the generator stator; the hydraulic jacks can hoist better, so that the possibility of fracture of the hoisting steel cable is reduced; the existence of the shoulder pole beam is convenient for a plurality of hydraulic jacks to lift one generator stator at the same time; when the crane cannot hoist the heavy generator stator, the generator stator can be hoisted conveniently through the scheme.
Optionally, the driving includes two crossbeams, be equipped with the rib on the crossbeam, put on the rib and put the roof beam, put the roof beam and cross two the crossbeam, it is provided with the arch to put the both ends of roof beam, two the rib is located put two on the roof beam between the arch, the arch be used for with the rib butt, hydraulic jack sets up on the roof beam.
By adopting the technical scheme, when the hydraulic jack is installed, the travelling crane is provided with the two cross beams, so that the rest beam is put on the two cross beams, and then the hydraulic jack is installed on the rest beam, thereby being convenient for installing the hydraulic jack; the ribs and the protrusions are arranged to limit the shelving beams, so that the possibility of sliding of the shelving beams on the cross beams is reduced, and potential safety hazards during operation are reduced.
Optionally, the hydraulic jack is provided with two, the both ends of shoulder pole roof beam all are provided with the pterygoid lamina, the pterygoid lamina lower end wall is located shoulder pole roof beam lower end wall top, one the last promotion cable wire of hydraulic jack with one pterygoid lamina fixed connection.
Through adopting above-mentioned technical scheme, when connecting the promotion cable wire, need pass the shoulder pole roof beam with the promotion cable wire, then fixed tight with the promotion cable wire again, if promote cable wire lug connection on the shoulder pole roof beam, can make shoulder pole Liang Yuan hoist and mount stress point be located the beam bottom, because the area of stress is less when promoting the cable wire and pulling the shoulder pole roof beam, can produce the phenomenon of overturning in engineering in-service use, so reform transform the extension to the shoulder pole roof beam, connect the pterygoid lamina at former shoulder pole roof beam both ends, it passes pterygoid lamina and pterygoid lamina fixed connection to promote the cable wire, make the stress point of shoulder pole roof beam shift up, let the focus of shoulder pole roof beam be located under the stress point, the possibility that the shoulder pole roof beam overturns has been reduced.
Optionally, the lifting hook includes fixed part and movable part, fixed part bind in on the shoulder pole roof beam, movable part with fixed part rotates to be connected, the axis of rotation of movable part sets up along vertical direction, movable part is used for the hook lifting rope.
Through adopting above-mentioned technical scheme, after the generator stator atress promotes, need adjust the angle of generator stator to the later stage can directly install, consequently can rotate relatively between fixed part and the movable part, fixed part is connected on the shoulder pole roof beam, and the movable part is used for hooking the generator stator, after the generator stator is hung, can adjust the angle of generator stator, the follow-up installation of being convenient for.
Optionally, sliding connection has the locating part on the fixed part, the locating part slides along vertical direction, be equipped with the butt piece on the movable part, it has the breach to open on the butt piece, the breach will the lateral wall of the vertical direction of butt piece is opened, the locating part is used for inserting in the breach.
Through adopting above-mentioned technical scheme, when the rotation to the movable part is spacing, realize through the butt between locating part and breach inner wall, when the movable part rotated, the locating part earlier carries out the butt with the upper surface of butt piece, and when the locating part rotated to the breach position department of butt piece, the locating part inserts in the breach, locating part and breach inner wall butt this moment to the rotation of this hindrance movable part.
Optionally, the locating part is close to the one end of driving is equipped with the baffle, sliding connection has support piece on the fixed part, support piece is along being close to or keeping away from the direction slip of locating part, support piece be used for with the baffle butt.
Through adopting above-mentioned technical scheme, under many circumstances, the constructor can't confirm the degree of rotation of moving part, consequently can't directly carry out spacingly through the butt effect between butt spare and breach inner wall to moving part, need rely on the manpower later stage to adjust, under this kind of circumstances, to avoid the locating part to produce the interference to moving part rotation process, consequently, set up support piece and support the locating part, reduce locating part gliding influence rotating part pivoted possibility.
Optionally, the electric generator further comprises a pulling piece, wherein two ends of the travelling crane are fixedly connected with a pulling piece respectively, a pulling steel rope is arranged on the pulling piece and used for being connected with the protruding column, and the pulling piece is used for driving the stator of the electric generator to rotate.
Through adopting above-mentioned technical scheme, among the related art, constructor rotates through the manpower and realizes the rotation of movable part generally, and this kind of rotation mode wastes time and energy, consequently sets up the pulling piece, pulls generator stator through the pulling piece to this kind of mode drive generator stator rotates, has saved manpower, rotates movable part during the construction of being convenient for.
Optionally, the pulling piece is a winch.
By adopting the technical scheme, the winch can realize the effect required by the pulling piece, is easy to purchase and install, and is one of the preferable schemes of the application.
Optionally, the expansion end of pulling cable is equipped with tightens up the subassembly, tighten up the subassembly and including tightening up cable, movable part and extensible member, tighten up the cable and be cyclic annular, the pulling cable with tighten up cable fixed connection, tighten up two sections of cable and all pass the movable part, the extensible member includes four straight-bars, four the straight-bar articulates end to end and encloses into a quadrangle, the extensible member is located the movable part is close to one side of pulling cable, an articulated end of extensible member with the movable part is connected, keep away from two of movable part the straight-bars with tighten up cable fixed connection.
By adopting the technical scheme, when a constructor needs to rotate the generator stator by means of the pulling piece, the pulling steel rope is required to be connected with the convex column, and the direct binding is unrealistic and has the risk of disconnection, so that the tightening assembly is selected for sleeving; firstly, the tightening steel cable is sleeved outside the protruding column, then the telescopic piece is pressed, the movable piece is pushed by the telescopic piece, the tightening steel cable sleeved outside the protruding column is tightened by the movable piece, and once the telescopic piece is tensioned, the movable piece is always in a state of being propped against by the telescopic piece, the part of the tightening steel cable sleeved outside the protruding column is locked at all times, and due to the disc, the tightening steel cable cannot fall off from the protruding column, so that the connection between the pulling steel cable and a generator stator is more fastened.
In a second aspect, the present application provides a construction method, which adopts the following technical scheme:
the construction method comprises the following steps of:
S1: installing a hydraulic jack on a travelling crane;
s2: connecting the shoulder pole beam with the hydraulic jack through a lifting steel rope;
s3: hooking a generator stator on a lifting hook on the shoulder pole beam;
s4: and starting the hydraulic jack, and lifting the shoulder pole beam through the hydraulic jack, wherein the shoulder pole beam drives the lifting hook to lift.
Through adopting above-mentioned technical scheme, when driving itself can't hoist and mount heavy generator stator, can install hydraulic jack on driving, hoist and mount through hydraulic jack, be convenient for hoist and mount motor stator.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The hydraulic jack is matched with the shoulder pole beam, so that the generator stator can be conveniently hoisted through the hydraulic jack when the crane cannot lift the generator stator;
2. The matching between the bulges and the ribs reduces the possibility of position deviation of the rest beam, and is convenient for limiting and mounting the hydraulic jack;
3. the pulling piece is convenient for rotating the generator stator;
4. the tightening assembly secures the connection between the pull wire rope and the generator stator.
Drawings
FIG. 1 is a schematic view of a related art structure of the present application;
FIG. 2 is a schematic overall structure of an embodiment of the present application, intended to represent a state in use;
FIG. 3 is a schematic view of a structure of a shoulder pole beam according to an embodiment of the present application;
fig. 4 is an enlarged view at a in fig. 2;
FIG. 5 is a schematic view of the structure of a support member according to an embodiment of the present application;
FIG. 6 is a schematic view of a pulling member according to an embodiment of the present application;
fig. 7 is an enlarged view at B in fig. 2.
Reference numerals illustrate: 1. a generator stator; 11. a protruding column; 12. a disc; 13. a hanging rope; 2. driving; 21. a cross beam; 211. a rib; 212. placing the beam; 2121. a protrusion; 3. a hydraulic jack; 31. lifting the steel rope; 4. a shoulder pole beam; 41. a wing plate; 42. a corner plate; 5. a lifting hook; 51. a fixing part; 511. a binding place; 512. a junction; 5121. an extension block; 5122. a limiting piece; 5123. a baffle; 5124. a support; 52. a movable part; 521. a connecting rod; 5211. an abutment; 5212. a notch; 522. a hook body; 6. a pulling member; 61. pulling the steel rope; 7. a tightening assembly; 71. tightening the steel rope; 72. a movable member; 73. a telescoping member; 731. a straight rod.
Detailed Description
The application is described in further detail below with reference to fig. 1-7.
Referring to fig. 1, in the related art, two protruding columns 11 are respectively disposed at two sides of a generator stator 1, a disc 12 is disposed at one side of the protruding columns 11 far from the generator stator 1, the diameter of the disc 12 is larger than that of the protruding columns 11, and a lifting rope 13 is connected to each two protruding columns 11.
The embodiment of the application discloses hoisting equipment.
Referring to fig. 2,3 and 4, a lifting apparatus includes a traveling crane 2, a hydraulic jack 3, a shoulder pole beam 4, a hook 5 and a pulling member 6.
Referring to fig. 2 and 3, the travelling crane 2 includes two elongated cross beams 21, the two cross beams 21 are provided with elongated ribs 211, and the length direction of the ribs 211 is consistent with the length direction of the cross beams 21; two cuboid-shaped shelving beams 212 are placed on the ribs 211, the two shelving beams 212 are distributed along the length direction of the cross beams 21, each shelving beam 212 spans across the two cross beams 21, the length direction of the shelving beams 212 is consistent with the length direction of the cross beams 21, protrusions 2121 are arranged at two ends of the shelving beams 212, the protrusions 2121 extend towards one side close to the cross beams 21, the two ribs 211 are located between the two protrusions 2121 on each shelving beam 212, and the protrusions 2121 are used for being abutted with the ribs 211.
Referring to fig. 2 and 3, in the present embodiment, two hydraulic jacks 3 are provided, two hydraulic jacks 3 are distributed along the length direction of the cross beam 21, one hydraulic jack 3 is fixedly connected to one rest beam 212 through a bolt and a nut, and in other embodiments, three rest beams 212 and hydraulic jacks 3 may be provided; the hydraulic jacks 3 are lifting jacks, a plurality of lifting steel ropes 31 are arranged on each hydraulic jack 3, and the lifting steel ropes 31 on each hydraulic jack 3 penetrate through a rest beam 212 below the hydraulic jack 3.
Referring to fig. 2 and 3, the shoulder pole beam 4 is in a long strip shape, wing plates 41 are arranged at two ends of the shoulder pole beam 4, the thickness of each wing plate 41 is smaller than that of the shoulder pole beam 4, the upper plate surface of each wing plate 41 is parallel to the upper plate surface of the shoulder pole beam 4, the lower end wall of each wing plate 41 is positioned above the lower end wall of the shoulder pole beam 4, and a lifting steel rope 31 on one hydraulic jack 3 passes through one wing plate 41 and is connected with the corresponding wing plate 41; the wing plates 41 are welded with the shoulder pole beams 4, the two sides of each wing plate 41 are welded with the angle plates 42, the angle plates 42 are right-angle triangular plates, one right-angle edge of each angle plate 42 is welded with each wing plate 41, the other right-angle edge is welded with each shoulder pole beam 4, each angle plate 42 is located below each wing plate 41, and each angle plate 42 is used for supporting each wing plate 41.
Referring to fig. 4 and 5, the hook 5 includes a fixed portion 51 and a movable portion 52, the fixed portion 51 includes a binding portion 511 and a connecting portion 512, the binding portion 511 is bound on the shoulder pole beam 4 through a reinforcing rope, the connecting portion 512 is welded below the binding portion 511, an extension block 5121 is welded on the connecting portion 512, a cylindrical limiting member 5122 is arranged on the extension block 5121 in a penetrating manner, the limiting member 5122 is slidably connected with the extension block 5121, the axis of the limiting member 5122 and the sliding direction of the limiting member 5122 are both arranged along the vertical direction, one end of the limiting member 5122, which is close to the binding portion 511, is coaxially welded with a disc-shaped baffle 5123, and the diameter of the baffle 5123 is larger than that of the limiting member 5122; the movable portion 52 is rotatably connected to the fixed portion 51, and the rotation axis of the movable portion 52 is arranged in the vertical direction.
Referring to fig. 4 and 5, a support 5124 is slidably connected to the extension block 5121, the support 5124 is a rectangular bar block, the length direction of the support 5124 is set along the vertical direction, the support 5124 and the extension block 5121 are slidably connected through the cooperation of the dovetail groove and the dovetail block, the sliding direction of the support 5124 is set along the horizontal direction, the support 5124 slides along the direction approaching or departing from the limit piece 5122, one end of the support 5124 is slidably connected with the extension block 5121, the other end is used for being abutted with the baffle 5123, when the support 5124 slides along the direction approaching the limit piece 5122, the support 5124 is abutted with the baffle 5123, and when the support 5124 starts along the direction departing from the limit piece 5122, the support 5124 is not abutted with the baffle 5123.
Referring to fig. 4 and 5, the movable portion 52 includes a connecting rod 521 and a hook 522, the hook 522 is used for hooking the lifting rope 13, the connecting rod 521 is a column-shaped rod, the axis of the connecting rod 521 is consistent with the rotation axis of the movable portion 52, a disc-shaped abutting piece 5211 is coaxially welded outside the connecting rod 521, a gap 5212 is formed on the abutting piece 5211, the gap 5212 opens the side wall of the abutting piece 5211 in the vertical direction, and the gap 5212 is used for inserting the limiting piece 5122; when the support 5124 abuts against the baffle 5123, one end of the stopper 5122, which is close to the abutment 5211, is located above the abutment 5211.
Referring to fig. 6, each beam 21 is fixedly connected with a pulling member 6 by a screw, and the two pulling members 6 are located at two ends of the length direction of the travelling crane 2, in this embodiment, the pulling members 6 are winches, in other embodiments, the pulling members 6 are electric hoists, and a pulling steel cable 61 is provided on the pulling member 6.
Referring to fig. 7, the movable end of the pull wire rope 61 is provided with a tightening assembly 7, the tightening assembly 7 includes a tightening wire rope 71, a movable member 72 and a telescopic member 73, the tightening wire rope 71 is ring-shaped, and the pull wire rope 61 is integrally connected with the tightening wire rope 71; the movable member 72 is in a strip plate shape, and two sections of the tightening steel cable 71 respectively pass through one end of the movable member 72; the telescopic piece 73 comprises four straight rods 731, the four straight rods 731 are hinged end to form a quadrangle, the telescopic piece 73 is positioned on one side of the movable piece 72 close to the pulling steel rope 61, one hinged end of the telescopic piece 73 is hinged with the movable piece 72, the two straight rods 731 far away from the movable piece 72 are fixedly connected with the tightening steel rope 71 through a connecting ring, the connecting ring is welded with the straight rods 731, the tightening steel rope 71 penetrates through the connecting ring, and the peripheral wall of the tightening steel rope 71 is abutted against the inner wall of the connecting ring; one end of the expansion member 73 away from the movable member 72 abuts against the tightening wire rope 71, and the expansion member 73 is located inside the tightening wire rope 71.
Referring to fig. 7, when the expansion member 73 is in a contracted state, the tightening wire rope 71 is sleeved outside the protruding column 11 on one side of the movable member 72 away from the expansion member 73, when the expansion member 73 is stressed, the expansion member 73 contracts in the width direction and expands in the length direction, the expansion member 73 pushes the movable member 72 into between the disc 12 and the generator stator 1 housing, and the movable member 72 is used for abutting against the side wall of the disc 12 close to the generator stator 1 housing; when the generator stator 1 is pulled, the tightening steel rope 71 is in a tightening state, the telescopic piece 73 is propped against the movable piece 72, and the possibility that the tightening assembly 7 falls off the protruding column 11 when the force application angle of the pulling steel rope 61 is changed is reduced; the tightening assembly 7 of the pulling member 6 on each beam 21 is sleeved in two protruding columns 11 on one side of the generator stator 1 close to the beam 21, and is far away from the protruding columns 11 of the pulling member 6.
The embodiment of the application also discloses a construction mode.
The construction method comprises a hoisting device, and comprises the following steps:
S1: the hydraulic jack 3 is arranged on the travelling crane 2;
s11: judging whether the crane 2 self lifting system can lift the generator stator 1;
S12: if the crane can be lifted, a crane 2 self-lifting system is adopted for lifting, if the crane cannot be lifted, a rest beam 212 is arranged on the crane 2, and a hydraulic jack 3 is arranged on the rest beam 212;
s2: the shoulder pole beam 4 is connected with the hydraulic jack 3 through a lifting steel rope 31; one end of the hoist rope 31 is connected to the hydraulic jack 3, and the other end of the hoist rope 31 is connected to the wing plates 41 on both sides of the shoulder pole beam 4.
S3: the generator stator 1 is hooked on a lifting hook 5 on the shoulder pole beam 4 through a lifting rope 13;
s4: lifting the shoulder pole beam 4 through the hydraulic jack 3, wherein the shoulder pole beam 4 drives the lifting hook 5 to lift;
S5: rotating the hydraulic jack 3;
s51: judging whether the hydraulic jack 3 needs to rotate or not;
S52: if the rotation is not needed, continuing the subsequent operation; if rotation is needed, judging the angle of rotation;
S52: if the abutment of the stopper 5122 and the inner wall of the notch 5212 can meet the limitation on the rotation angle, the support 5124 is slid to a position where the stopper 5123 is not abutted; if not, the support 5124 is slid to be in contact with the baffle 5123;
s53: the tightening assembly 7 is sleeved on the protruding column 11, and the movable piece 72 is pushed between the disc 12 and the shell of the stator 1 of the generator by adjusting the telescopic piece 73;
s54: starting the pulling piece 6, pulling the steel rope 61 to pull the generator stator 1 to move;
s55: observing the rotation condition, and stopping the pulling piece 6 at any time according to the rotation angle;
S55: if the support 5124 does not abut against the baffle 5123, after a certain angle is rotated, the limit piece 5122 is inserted into the notch 5212, and the generator stator 1 stops rotating; if the support 5124 abuts against the baffle 5123, the pulling member 6 stops running, and then the generator stator 1 continues to rotate by a certain angle due to inertia, and the rotation angle of the generator stator 1 is slightly adjusted by manpower of a constructor.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. Hoisting equipment, characterized in that includes:
A travelling crane (2);
the hydraulic jacks (3), wherein the hydraulic jacks (3) are provided with at least two, the hydraulic jacks (3) are arranged on the travelling crane (2), and each hydraulic jack (3) is provided with a plurality of lifting steel cables (31);
The carrying pole beam (4), the lifting steel cable (31) is fixedly connected with the carrying pole beam (4), and a lifting hook (5) is arranged on the carrying pole beam (4); the lifting hook (5) comprises a fixed part (51) and a movable part (52), the fixed part (51) is bound on the shoulder pole beam (4), the movable part (52) is rotationally connected with the fixed part (51), the rotation axis of the movable part (52) is arranged along the vertical direction, and the movable part (52) is used for hooking the lifting rope (13);
The fixing part (51) is connected with a limiting piece (5122) in a sliding manner, the limiting piece (5122) slides along the vertical direction, the movable part (52) is provided with a butt piece (5211), the butt piece (5211) is provided with a notch (5212), the notch (5212) is used for opening the side wall of the butt piece (5211) in the vertical direction, and the limiting piece (5122) is used for being inserted into the notch (5212);
The utility model discloses a crane, including driving (2) and fixed part, locating part (5122) is close to one end of driving (2) is equipped with baffle (5123), sliding connection has support piece (5124) on fixed part (51), support piece (5124) are along being close to or keep away from the direction of locating part (5122), support piece (5124) be used for with baffle (5123) butt.
2. Hoisting device according to claim 1, characterized in that the travelling crane (2) comprises two cross beams (21), wherein ribs (211) are arranged on the cross beams (21), a rest beam (212) is arranged on the ribs (211), the rest beam (212) spans across the two cross beams (21), protrusions (2121) are arranged at two ends of the rest beam (212), the two ribs (211) are located between the two protrusions (2121) on the rest beam (212), the protrusions (2121) are used for being abutted with the ribs (211), and the hydraulic jack (3) is arranged on the rest beam (212).
3. Hoisting device according to claim 1 or 2, characterized in that the hydraulic jacks (3) are provided with two, the two ends of the shoulder pole beam (4) are provided with wing plates (41), the lower end wall of the wing plates (41) is located above the lower end wall of the shoulder pole beam (4), and the lifting steel cable (31) on one hydraulic jack (3) is fixedly connected with one wing plate (41).
4. Hoisting device according to claim 1, further comprising a pulling member (6), wherein two ends of the travelling crane (2) are fixedly connected with a pulling member (6), a pulling steel rope (61) is arranged on the pulling member (6), the pulling steel rope (61) is used for connecting the protruding columns (11), and the pulling member (6) is used for driving the generator stator (1) to rotate.
5. Hoisting device according to claim 4, characterized in that the pulling element (6) is a hoisting machine.
6. The hoisting device according to claim 4, wherein the movable end of the pulling steel cable (61) is provided with a tightening assembly (7), the tightening assembly (7) comprises a tightening steel cable (71), a movable member (72) and a telescopic member (73), the tightening steel cable (71) is annular, the pulling steel cable (61) is fixedly connected with the tightening steel cable (71), two sections of the tightening steel cable (71) penetrate through the movable member (72), the telescopic member (73) comprises four straight rods (731), the four straight rods (731) are hinged end to form a quadrilateral, the telescopic member (73) is located on one side, close to the pulling steel cable (61), of the movable member (72), one hinged end of the telescopic member (73) is connected with the movable member (72), and two straight rods (731) far away from the movable member (72) are fixedly connected with the tightening steel cable (71).
7. A hoisting manner of an engine stator, comprising a hoisting device according to any one of claims 1 to 6, comprising the steps of:
s1: the hydraulic jack (3) is arranged on the travelling crane (2);
S2: the shoulder pole beam (4) is connected with the hydraulic jack (3) through a lifting steel rope (31);
S3: the generator stator (1) is hooked on a lifting hook (5) on the shoulder pole beam (4);
S4: starting a hydraulic jack (3), lifting a shoulder pole beam (4) through the hydraulic jack (3), and driving a lifting hook (5) to lift by the shoulder pole beam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104901.1A CN113772531B (en) | 2021-09-22 | 2021-09-22 | Hoisting equipment and construction mode thereof |
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| CN202111104901.1A CN113772531B (en) | 2021-09-22 | 2021-09-22 | Hoisting equipment and construction mode thereof |
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| CN113772531B true CN113772531B (en) | 2024-07-09 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619953U (en) * | 2009-07-29 | 2010-11-03 | 广东火电工程总公司 | Special hoisting mechanism for hoisting set generator stator |
| CN204038883U (en) * | 2014-06-27 | 2014-12-24 | 南京梅山冶金发展有限公司 | A kind of shoulder pole girder with swivel hook |
| CN104692259A (en) * | 2015-03-18 | 2015-06-10 | 中国能源建设集团江苏省电力建设第三工程有限公司 | Hoisting device for generator stator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101712444B (en) * | 2009-10-22 | 2012-07-25 | 广东力特工程机械有限公司 | Method for hoisting large-size workpiece in ordinary plant and hydraulic jacking equipment thereof |
| CN202704861U (en) * | 2012-07-18 | 2013-01-30 | 山东电力建设第二工程公司 | Special lifting device for generator stator |
| CN207596331U (en) * | 2017-10-17 | 2018-07-10 | 华电郑州机械设计研究院有限公司 | A kind of stator hanger |
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2021
- 2021-09-22 CN CN202111104901.1A patent/CN113772531B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619953U (en) * | 2009-07-29 | 2010-11-03 | 广东火电工程总公司 | Special hoisting mechanism for hoisting set generator stator |
| CN204038883U (en) * | 2014-06-27 | 2014-12-24 | 南京梅山冶金发展有限公司 | A kind of shoulder pole girder with swivel hook |
| CN104692259A (en) * | 2015-03-18 | 2015-06-10 | 中国能源建设集团江苏省电力建设第三工程有限公司 | Hoisting device for generator stator |
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| CN113772531A (en) | 2021-12-10 |
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