CN112193987A - Hoisting method of large-scale rotating equipment - Google Patents
Hoisting method of large-scale rotating equipment Download PDFInfo
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- CN112193987A CN112193987A CN202011120306.2A CN202011120306A CN112193987A CN 112193987 A CN112193987 A CN 112193987A CN 202011120306 A CN202011120306 A CN 202011120306A CN 112193987 A CN112193987 A CN 112193987A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 91
- 239000010959 steel Substances 0.000 claims abstract description 91
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 239000004576 sand Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/122—Sling or load protectors
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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
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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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
- B66C13/16—Applications of indicating, registering, or weighing devices
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- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a hoisting method of large-scale rotating equipment, which comprises the following steps: the lifting end of the lifting machine moves downwards, and the bottom of the ejector rod is propped against the upper side of the side wall of the rotating body; one end of the steel wire rope is hung on one big hook through one adjusting component, the other end of the steel wire rope is positioned on the other side of the rotating body after bypassing the lower part of the rotating body, and is hung on the other big hook through the other adjusting component; rotating the internal thread cylinder to increase the depth dimension of the adjusting screw rod inserted into the threaded hole; and S5, hoisting the rotating body by the lifting machine. The invention tightly pushes the upper side of the rotating body through the ejector rod so as to generate rigid contact between the large rotating body and the cross beam, thereby reducing or even eliminating the shaking amplitude generated by inertia or unstable motion of the rotating body which is originally supported only by the flexible part in the moving process, reducing the stress born by each connecting part of the hoisting tool, avoiding material fatigue, ensuring the strength of the hoisting tool and prolonging the service life of the hoisting tool.
Description
Technical Field
The invention relates to the technical field of workshop hoisting, in particular to a hoisting method of large-scale rotating equipment.
Background
When a large-scale rotating part is machined, when the part is conveyed to each machining station, hoisting equipment is required to be used for moving. The lifting equipment comprises two lifting machines which are slidably mounted on a large cross beam of a workshop, lifting tools are mounted at lifting ends of the lifting machines, each lifting tool comprises a cross beam 1 and a steel wire rope 2 arranged at the lower end of the cross beam 1, two ends of each steel wire rope 2 are connected with extension springs 3, the tail ends of the steel wire ropes penetrate through rings at the bottom ends of the extension springs 3 and then are fixedly connected with rope bodies of the steel wire ropes 2 through steel wire rope clamps 5, and the top ends of the extension springs 3 are hooked on a large hook 4 arranged at the bottom of the cross beam 1, as shown in figure 1. Two ends of the rotating part respectively penetrate through a hoisting tool, the end part of the rotating body is positioned on the steel wire 2, and the rotating body is hoisted by the steel wire 2.
Because in the aforesaid lifting by crane the mode, wire rope, spring are non-rigid part, lead to lifting by crane at rotary part and along the in-process that the big crossbeam removed, the rotary part that is in the suspension state rocks to produce very big stress on each cooperation, the connection position of lifting by crane the frock, the easy material fatigue that gets off for a long time, intensity reduce, not only life reduces, and still easily lead to rotary part tenesmus because of lifting by crane the frock sudden fracture, cause unfavorable condition such as equipment damage or even casualties.
Disclosure of Invention
The invention aims to: the hoisting method of the large-scale rotating equipment solves the technical problems that after a rotating part is hoisted in the existing hoisting mode, the rotating part can shake, so that the strength of a hoisting tool is reduced, the service life of the hoisting tool is shortened, and the like.
The technical scheme adopted by the invention is as follows:
the hoisting method of the large-scale rotating equipment comprises the following steps:
s1, moving the lifting end of the lifting machine downwards so as to move the cross beam downwards until the bottom of the ejector rod on the fixed cross beam abuts against the upper side of the side wall of the rotating body;
s2, placing the steel wire rope on one side of the rotating body, hanging one end of the steel wire rope on one big hook through one adjusting component, and hanging the other end of the steel wire rope on the other big hook after bypassing the lower part of the rotating body along the circumference of the rotating body and then positioning the other end of the steel wire rope on the other side of the rotating body through the other adjusting component;
s3, mounting upper rotating rods on two sides of the side wall of the inner threaded cylinder in a threaded manner;
s4, rotating the rotating rod around the axis of the internal thread cylinder to drive the internal thread cylinder to rotate so as to increase the depth dimension of the adjusting screw rod inserted into the threaded hole until the middle part of the steel wire rope is attached to the lower side of the circumferential surface of the large rotating body;
and S5, the lifting end of the lifting machine drives the cross beam to move upwards, so that the rotating body is lifted and then moved to the next station.
Furthermore, extension springs are respectively connected between the steel wire rope and the adjusting assembly, the adjusting assembly comprises a first hook, a first ring, a connecting rod, a bearing, an internal thread cylinder and an adjusting screw rod, the axes of the connecting rod, the bearing, the internal thread cylinder and the adjusting screw rod are coincident with each other, wherein,
the inner hole of the internal thread cylinder comprises a small-diameter hole, a large-diameter hole and a threaded hole which are sequentially communicated from top to bottom;
the first hook is hung on the big hook;
the top end of the connecting rod is connected with the first hook, the bottom end of the connecting rod penetrates through the small-diameter hole and then is inserted into the large-diameter hole, the connecting rod is rotatably connected with the large-diameter hole through a bearing, and the bottom end of the connecting rod protrudes outwards to form a limiting flange;
the top of the adjusting screw rod is inserted into the threaded hole and is in threaded connection with the threaded hole, and the bottom of the adjusting screw rod is connected with the first circular ring;
one end of the extension spring is hung on the first circular ring, and the other end of the extension spring is connected with the second circular ring;
and the end part of the steel wire rope passes through the second circular ring and then is fixedly connected with the rope body of the steel wire rope through the steel wire rope clamp.
Further, a strip-shaped hole communicated with the threaded hole is formed in the outer wall of the internal thread cylinder, the longest diameter of the cross section of the strip-shaped hole is parallel to the axis of the internal thread cylinder, and the top of the adjusting screw is opposite to the strip-shaped hole; and scale marks are arranged on the outer wall of the internal thread cylinder along the axial line of the internal thread cylinder.
Furthermore, two rotating rods are mounted on the side wall of the internal thread cylinder, the axis of each rotating rod is perpendicular to the axis of the internal thread cylinder, and the rotating rods are distributed along the axis of the internal thread cylinder in a central symmetry mode.
Further, the rotating rod is connected to the side wall of the internal thread cylinder in a threaded mode.
And furthermore, a strip-shaped rubber pad is arranged on the steel wire rope, one end of the steel wire rope is connected with one extension spring, and the other end of the steel wire rope penetrates through the strip-shaped rubber pad along the axis of the strip-shaped rubber pad and then is connected with the other extension spring.
Furthermore, auxiliary steel wires are arranged on the front side and the rear side of the steel wire rope, one end of each auxiliary steel wire is twisted with the rope body on one side of the steel wire rope, and the other end of each auxiliary steel wire penetrates through the strip-shaped rubber pad along the axis of the strip-shaped rubber pad and is twisted with the rope body on the other side of the steel wire rope.
Furthermore, wire meshes are laid in the strip-shaped rubber gasket and located on the upper side and the lower side of the steel wire rope, and the steel wire meshes cover the steel wire rope and the auxiliary steel wires.
Further, be provided with a plurality of logical grooves along its axis on the upper surface of bar rubber pad, there are a plurality of sand grips along its axis evagination on the lower surface of bar rubber pad, the axis of leading to groove and sand grip all is perpendicular with the axis of bar rubber pad, and leads to the groove respectively with a sand grip vertical relative.
Furthermore, a contact plate is installed at the bottom end of the ejector rod, the lower surface of the contact plate is concave inwards to form a cylindrical arc-shaped surface, and the radius of the arc-shaped surface is consistent with that of the large-scale rotating body.
Further, a rubber layer is bonded to a lower surface of the contact plate.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the hoisting method of the large-scale rotating equipment, the upper side of the rotating body is tightly jacked through the jacking rod, so that a rigid contact is generated between the large-scale rotating body and the cross beam, the shaking amplitude generated by inertia or unstable motion of the rotating body which is originally supported only by the flexible part in the moving process is reduced or even eliminated, the stress borne by each connecting part of the hoisting tool is reduced, the material fatigue is avoided, the strength of the hoisting tool is ensured, the service life of the hoisting tool is prolonged, the sudden fracture of the hoisting tool can be effectively avoided, and the safety of a production workshop is ensured;
2. according to the hoisting method of the large-scale rotating equipment, the adjusting assembly can increase the depth dimension of the adjusting screw rod inserted into the threaded hole by rotating the internal thread cylinder, so that the length dimension of the lower side of the hoisting tool is reduced, the length dimension of the lower side of the hoisting tool is matched with the dimension of the large-scale rotating body, the top of the ejector rod is effectively ensured to be in contact with the top of the large-scale rotating body, a rigid contact is generated between the large-scale rotating body and the cross beam, and the shaking amplitude generated by inertia or unstable motion of the rotating body which is originally supported only by the flexible part in the moving process is reduced or even;
3. in the hoisting method of the large-scale rotating equipment, the strip-shaped rubber gasket needs to be bent, so in order to reduce the extrusion stress on the inner concave surface and the tensile stress on the outer convex surface, improve the stress environment of the strip-shaped rubber gasket and prolong the service life of the strip-shaped rubber gasket, the inner concave surface is preferably provided with the through groove so as to facilitate the extrusion of the inner concave surface, and the outer convex surface is preferably provided with the convex strip so as to make up the material required by the stretching of the strip-shaped rubber gasket.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings needed to be used in the embodiment will be briefly described below, and it should be understood that the proportional relationship of each component in the drawings in this specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:
FIG. 1 is a schematic diagram of a prior art configuration;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the adjustment assembly;
FIG. 4 is a vertical cross-sectional view at a strip-shaped rubber mat;
fig. 5 is a transverse cross-sectional view at a strip-shaped rubber mat.
Reference numerals in the drawings indicate:
1-beam, 2-wire rope, 3-extension spring, 4-big hook, 5-wire rope clamp, 6-ejector rod, 7-first hook, 8-connecting rod, 9-bearing, 10-limiting flange, 11-internal thread cylinder, 12-adjusting screw, 13-first ring, 14-small diameter hole, 15-large diameter hole, 16-threaded hole, 17-strip-shaped hole, 18-scale line, 19-rotary rod, 20-strip-shaped rubber pad, 21-auxiliary steel wire, 22-steel wire mesh, 23-contact plate, 24-through groove and 25-raised strip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
The present invention will be described in detail with reference to fig. 1 to 5.
Example 1
The hoisting method of the large-scale rotating equipment comprises the following steps:
s1, moving the lifting end of the lifting machine downwards so as to move the cross beam 1 downwards until the bottom of the mandril 6 on the fixed cross beam 1 props against the upper side of the side wall of the rotating body;
s2, placing the steel wire rope 2 on one side of the rotating body, hanging one end of the steel wire rope 2 on one big hook 4 through one adjusting component, and hanging the other end of the steel wire rope 2 on the other side of the rotating body after bypassing the lower part of the rotating body along the circumference of the rotating body and hanging the other big hook 2 through the other adjusting component;
s3, mounting the upper screw rods 19 on both sides of the side wall of the internal thread cylinder 11 in a threaded manner;
s4, rotating the rotating rod 11 around the axis of the internal thread cylinder 11 to drive the internal thread cylinder 11 to rotate so as to increase the depth dimension of the adjusting screw 12 inserted into the threaded hole 16 until the middle part of the steel wire rope 2 is attached to the lower side of the circumferential surface of the large rotating body;
and S5, the lifting end of the lifting machine drives the cross beam 1 to move upwards, so that the rotating body is lifted and then moved to the next station.
In the invention, the upper side of the rotating body is tightly pushed through the ejector rod 6, so that a rigid contact is generated between the large rotating body and the cross beam, the shaking amplitude generated by inertia or unstable motion of the rotating body which is originally supported only by the flexible part in the moving process is reduced or even eliminated, the stress borne by each connecting part of the hoisting tool is reduced, the material fatigue is avoided, the strength of the hoisting tool is ensured, the service life of the hoisting tool is prolonged, the sudden fracture of the hoisting tool can be effectively avoided, and the safety of a production workshop is ensured.
Example 2
As shown in fig. 2 to 5, two large hooks 4 are installed at the bottom of a beam 1, an extension spring 13 is connected between the steel wire rope 2 and an adjusting assembly, the adjusting assembly comprises a first hook 7, a first ring 13, a connecting rod 8, a bearing 9, an internal thread cylinder 11 and an adjusting screw 12, wherein the axes of the connecting rod 8, the bearing 9, the internal thread cylinder 11 and the adjusting screw 12 are coincident with each other,
the inner hole of the internal thread cylinder 11 comprises a small-diameter hole 14, a large-diameter hole 15 and a threaded hole 16 which are sequentially communicated from top to bottom;
the first hook 7 is hung on the big hook 4;
the top end of the connecting rod 8 is connected with the first hook 7, the bottom end of the connecting rod passes through the small-diameter hole 14 and then is inserted into the large-diameter hole 15, the connecting rod is rotatably connected with the large-diameter hole 15 through the bearing 9, and the bottom end of the connecting rod 8 protrudes outwards to form a limiting flange 10;
the top of the adjusting screw 12 is inserted into the threaded hole 16 and is in threaded connection with the threaded hole, and the bottom of the adjusting screw is connected with the first circular ring 13;
one end of the extension spring 3 is hung on the first circular ring 13, and the other end of the extension spring is connected with a second circular ring;
the end part of the steel wire rope 2 penetrates through the second circular ring and then is fixedly connected with the rope body of the steel wire rope 2 through the steel wire rope clamp 5.
Although the length of the steel wire rope 2 in the hoisting tool, the elasticity of the tension spring 3 and the length of the tension spring are matched according to the outer diameter of the corresponding batch of the rotating bodies, the steel wire rope 2 can be slightly deformed due to the downward gravity of the rotating bodies after being used for a long time, the length of the steel wire rope is increased, meanwhile, the elasticity of the tension spring 3 is reduced, the length of the tension spring is increased, the hoisting tool cannot be completely matched with the size of the large rotating body at the moment, after hoisting, when the steel wire rope with the increased length and the like perform gravity support on the rotating bodies, the top of the ejector rod 6 cannot be in contact with the top of the large rotating body, rigid positioning cannot be generated between the cross beam and the large rotating body, and then the condition that. Therefore, based on the structure, the adjusting assembly of the invention can increase the depth dimension of the adjusting screw 12 inserted into the threaded hole 16 by rotating the internal thread cylinder 11, so as to reduce the length dimension of the lower side of the hoisting tool to match the dimension of the large rotating body, thereby effectively ensuring that the top of the ejector rod 6 is in contact with the top of the large rotating body, and generating a rigid contact between the large rotating body and the cross beam, thereby reducing or even eliminating the shaking amplitude generated by inertia or unstable motion of the rotating body which is originally supported only by the flexible piece in the moving process.
Example 3
This embodiment is based on embodiment 2, and further optimized and explained for the size adjustment of the present invention.
As shown in fig. 3, in the present invention, a strip-shaped hole 17 communicated with a threaded hole 16 is provided on the outer wall of the internally threaded barrel 11, the longest diameter in the cross section of the strip-shaped hole 17 is parallel to the axis of the internally threaded barrel 11, and the top of the adjusting screw 12 is opposite to the strip-shaped hole 17; the outer wall of the internal thread cylinder 11 is provided with scale marks 18 along the axis of the internal thread cylinder 11.
After the invention is assembled, the design size L is matched with the product0Checking, flattening the steel wire rope 2, and adjusting an adjusting assembly to enable the distance from one first hook 7 to the other first hook 7 to meet the design requirement; after the lifting tool is used for a period of time and when the lifting tool needs to be maintained, the steel wire rope is taken down from the big hook 4, the steel wire rope 2 is flattened, and the distance L from the first hook 7 to the other first hook 7 is measured1，L1-L0The obtained dimension is the dimension to be shortened, and the result is divided by two, so as to obtain the depth dimension of each adjusting assembly, which is required to further insert the adjusting screw 12 into the threaded hole 16, and then the adjusting assemblies are adjusted according to the step S3, so that the tail end of the adjusting screw 12 moves by the corresponding dimension on the scale mark 18, thereby making the distance from the first hook 7 to the other first hook 7 meet the design requirement.
In conclusion, the adjusting assembly designed by the invention is convenient and quick to adjust, facilitates later maintenance and improves the use convenience of the invention.
Further, in order to facilitate the rotation of the internally threaded barrel 11, it is preferable to provide: two rotating rods 19 are mounted on the side wall of the internal thread cylinder 11, the axis of each rotating rod 19 is perpendicular to the axis of the internal thread cylinder 11, and the rotating rods are distributed along the axis of the internal thread cylinder in a central symmetry manner.
Further, the screw 19 is screwed on the side wall of the internally threaded cylinder 11.
The operation can be labor-saving and convenient by rotating the internal thread cylinder 11 by rotating the rotary rod 19.
Example 4
In the present embodiment, a contact portion of the wire rope 2 with the large rotating body is further described in addition to the above-described embodiments.
As shown in fig. 2, 4 and 5, in the present invention, a strip-shaped rubber pad 20 is disposed on the wire rope 2, one end of the wire rope 2 is connected to one tension spring 3, and the other end of the wire rope is connected to the other tension spring 3 after penetrating through the strip-shaped rubber pad 20 along the axis of the strip-shaped rubber pad 20.
The arrangement of the strip-shaped rubber pad 20 enables the contact between the steel wire rope and the rotating body to be soft contact, so that the friction force between the steel wire rope and the rotating body is larger and the contact is more stable.
Furthermore, the front side and the rear side of the steel wire rope 2 are both provided with auxiliary steel wires 21, one ends of the auxiliary steel wires 21 are twisted with the rope body on one side of the steel wire rope 2, and the other ends of the auxiliary steel wires 21 are twisted with the rope body on the other side of the steel wire rope 2 after penetrating through the strip-shaped rubber gasket 20 along the axis of the strip-shaped rubber gasket 20. The arrangement of the auxiliary steel wire 21 can increase the effective bearing surface of the strip-shaped rubber pad 20, and further improve the hoisting stability.
Further, a plurality of through grooves 24 are formed in the upper surface of the strip-shaped rubber gasket 20 along the axis of the strip-shaped rubber gasket 20, a plurality of convex strips 25 are protruded out of the lower surface of the strip-shaped rubber gasket 20 along the axis of the strip-shaped rubber gasket, the axes of the through grooves 24 and the convex strips 25 are perpendicular to the axis of the strip-shaped rubber gasket 20, and the through grooves 24 are vertically opposite to one convex strip 25 respectively.
Because strip rubber pad 20 needs to be crooked when using, consequently in order to reduce the compressive stress on its concave surface in, the tensile stress on the convex surface, improve strip rubber pad 20's stress environment, improve its life, it is preferable to set up logical groove 24 on the concave surface to the extrusion of concave surface in the convenience, set up the sand grip on the convex surface outward, in order to compensate its tensile required material.
Further, steel wire meshes 22 are laid inside the strip-shaped rubber gasket 20 and on the upper side and the lower side of the steel wire rope 2, and the steel wire meshes 22 cover the steel wire rope 2 and the auxiliary steel wires 21.
The setting of wire net 22 has further strengthened the intensity of bar rubber pad 20, promotes its life, prevents its fracture.
The steel wire mesh 22, the steel wire rope 2, the auxiliary steel wires and the strip-shaped rubber pad 20 are formed as follows: firstly, a pouring mold with the size of a cavity consistent with the required appearance size of the strip-shaped rubber pad 20 is manufactured, then two steel wire meshes are laid on the parting surfaces of an upper mold and a lower mold respectively, then the steel wire rope 2 and the auxiliary steel wire are laid between the two steel wire meshes, then the mold is closed, then glue solution is filled into the cavity, and after the glue solution is formed, the mold is opened, so that the structure required by the invention can be obtained.
Example 5
The present embodiment is further optimized and explained on the basis of the above embodiments, regarding the contact portion between the top rod 6 and the large rotating body.
Further, a contact plate 23 is installed at the bottom end of the top rod 6, the lower surface of the contact plate 23 is recessed into a cylindrical arc surface, and the radius of the arc surface is consistent with that of the large-scale rotating body. Further, a rubber layer is bonded to the lower surface of the contact plate 23.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The hoisting method of the large-scale rotating equipment is characterized in that: the method comprises the following steps:
s1, moving the lifting end of the lifting machine downwards so as to move the cross beam (1) downwards until the bottom of the ejector rod (6) on the fixed cross beam (1) is ejected to the upper side of the side wall of the rotating body;
s2, placing the steel wire rope (2) on one side of the rotating body, hanging one end of the steel wire rope (2) on one large hook (4) through one adjusting component, enabling the other end of the steel wire rope (2) to bypass the lower part of the rotating body along the circumference of the rotating body and then be located on the other side of the rotating body, and hanging the steel wire rope on the other large hook (2) through the other adjusting component;
s3, mounting upper rotating rods (19) on two sides of the side wall of the internal thread cylinder (11) in a threaded manner;
s4, rotating the rotating rod (11) around the axis of the internal thread cylinder (11) to drive the internal thread cylinder (11) to rotate so as to increase the depth dimension of the adjusting screw rod (12) inserted into the threaded hole (16) until the middle part of the steel wire rope (2) is attached to the lower side of the circumferential surface of the large rotating body;
s5, the lifting end of the lifting machine drives the cross beam (1) to move upwards, so that the rotating body is lifted, and then the rotating body is moved to the next station.
2. A method of hoisting large scale slewing equipment according to claim 1, characterized in that: an extension spring (13) is connected between the steel wire rope (2) and the adjusting component, the adjusting component comprises a first hook (7), a first ring (13), a connecting rod (8) with axes coincident with each other, a bearing (9), an internal thread cylinder (11) and an adjusting screw rod (12), wherein,
the inner hole of the internal thread cylinder (11) comprises a small-diameter hole (14), a large-diameter hole (15) and a threaded hole (16) which are sequentially communicated from top to bottom;
the first hook (7) is hung on the big hook (4);
the top end of the connecting rod (8) is connected with the first hook (7), the bottom end of the connecting rod penetrates through the small-diameter hole (14) and then is inserted into the large-diameter hole (15), the connecting rod is rotatably connected with the large-diameter hole (15) through a bearing (9), and the bottom end of the connecting rod (8) protrudes outwards to form a limiting flange (10);
the top of the adjusting screw rod (12) is inserted into the threaded hole (16) and is in threaded connection with the threaded hole, and the bottom of the adjusting screw rod is connected with the first circular ring (13);
one end of the extension spring (3) is hung on the first circular ring (13), and the other end of the extension spring is connected with the second circular ring;
the end part of the steel wire rope (2) penetrates through the second circular ring and then is fixedly connected with the rope body of the steel wire rope (2) through the steel wire rope clamp (5).
3. A method of hoisting large scale slewing equipment according to claim 2, characterized in that: a strip-shaped hole (17) communicated with a threaded hole (16) is formed in the outer wall of the internal thread cylinder (11), the longest diameter of the cross section of the strip-shaped hole (17) is parallel to the axis of the internal thread cylinder (11), and the top of the adjusting screw rod (12) is opposite to the strip-shaped hole (17); and scale marks (18) are arranged on the outer wall of the internal thread cylinder (11) along the axis of the internal thread cylinder (11).
4. A method of hoisting large scale slewing equipment according to claim 2, characterized in that: two rotating rods (19) are mounted on the side wall of the internal thread cylinder (11), the axis of each rotating rod (19) is perpendicular to the axis of the internal thread cylinder (11), and the rotating rods are distributed along the axis of the internal thread cylinder in a central symmetry mode.
5. A method of hoisting large scale slewing equipment according to claim 2, characterized in that: the steel wire rope (2) is provided with a strip-shaped rubber gasket (20), one end of the steel wire rope (2) is connected with one extension spring (3), and the other end of the steel wire rope penetrates through the strip-shaped rubber gasket (20) along the axis of the strip-shaped rubber gasket (20) and then is connected with the other extension spring (3).
6. A method of hoisting large scale slewing equipment according to claim 5, characterized in that: the front side and the rear side of the steel wire rope (2) are both provided with auxiliary steel wires (21), one ends of the auxiliary steel wires (21) are twisted with the rope body on one side of the steel wire rope (2), and the other ends of the auxiliary steel wires (21) are twisted with the rope body on the other side of the steel wire rope (2) after penetrating through the strip-shaped rubber gasket (20) along the axis of the strip-shaped rubber gasket (20).
7. A method of hoisting large scale slewing equipment according to claim 6, characterized in that: wire meshes (22) are laid in the strip-shaped rubber gaskets (20) and located on the upper side and the lower side of the steel wire rope (2), and the steel wire meshes (22) cover the steel wire rope (2) and the auxiliary steel wires (21).
8. A method of hoisting large scale slewing equipment according to claim 5, characterized in that: a plurality of through grooves (24) are formed in the upper surface of the strip-shaped rubber gasket (20) along the axis of the strip-shaped rubber gasket, a plurality of convex strips (25) are convexly arranged on the lower surface of the strip-shaped rubber gasket (20) along the axis of the strip-shaped rubber gasket, the axes of the through grooves (24) and the convex strips (25) are perpendicular to the axis of the strip-shaped rubber gasket (20), and the through grooves (24) are vertically opposite to the convex strips (25) respectively.
9. A method for hoisting large-scale slewing equipment according to any one of claims 1 to 8, characterized in that: a contact plate (23) is installed at the bottom end of the ejector rod (6), the lower surface of the contact plate (23) is concave inwards to form a cylindrical arc-shaped surface, and the radius of the arc-shaped surface is consistent with that of the large-scale rotating body.
10. A method of hoisting large scale slewing equipment according to claim 9, characterized in that: a rubber layer is bonded to the lower surface of the contact plate (23).
Priority Applications (1)
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| CN202011120306.2A CN112193987A (en) | 2020-10-19 | 2020-10-19 | Hoisting method of large-scale rotating equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590705A (en) * | 2022-03-18 | 2022-06-07 | 汕尾市广投建设工程有限公司 | Building beam column integral lifting structure and construction process thereof |
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| CN114590705A (en) * | 2022-03-18 | 2022-06-07 | 汕尾市广投建设工程有限公司 | Building beam column integral lifting structure and construction process thereof |
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