CN111591883A - Beam body reinforcing method of crane beam - Google Patents
Beam body reinforcing method of crane beam Download PDFInfo
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- CN111591883A CN111591883A CN202010271174.7A CN202010271174A CN111591883A CN 111591883 A CN111591883 A CN 111591883A CN 202010271174 A CN202010271174 A CN 202010271174A CN 111591883 A CN111591883 A CN 111591883A
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- reinforcing
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- crane
- crane beam
- reinforcing frame
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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
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
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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
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- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention belongs to the field of crane equipment, and particularly discloses a beam body reinforcing method of a crane beam, which comprises the following steps: repairing and mapping the crane beam before reinforcing; manufacturing a reinforcing structure, and reinforcing the crane beam by using the reinforcing structure for the first time to form a reinforcing beam body after the first reinforcement; and carrying out secondary reinforcement on the primary reinforced beam body, forming a reinforced beam after the secondary reinforcement and realizing the reinforcement of the beam body. The reinforcing method of the invention enhances the operation safety of the crane beam, improves the production efficiency of a factory, disperses the stress of the end part of the crane beam through the matching of the upper reinforcing frame and the lower reinforcing frame, on one hand, reinforces the beam body, ensures the strength of the whole crane beam, has small investment and short period, reduces the danger, on the other hand, improves the connection and support strength of the crane beam and the reinforcing structure, avoids the fracture of the end part of the crane beam, and has good use effect.
Description
Technical Field
The invention relates to the field of crane equipment, in particular to a beam body reinforcing method of a crane beam.
Background
The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and material yards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. In industrial plants, bridge cranes are most widely used because of their large lifting capacity coverage and large service area. For a steel structure factory building, when the span of the crane beam is less than or equal to 9m and the lifting capacity of the crane is less than or equal to 20t, the crane beam can select a proper section specification of the crane beam according to a national standard drawing set. However, in large plants (such as industrial plants in shipyards), the crane span is often large (up to 42m), the lifting capacity variation is also large (3 t-200 t), and nonstandard crane applications are common.
After the crane beam is used, the welding seams at the connection part of the beam part of the crane beam are cracked, crack expansion and the like to form great hidden dangers for safe use of a travelling crane, the performance of the crane beam and the overall stability of a workshop are directly influenced, and the production efficiency of a factory and the development of national economy are also influenced. Reinforcement of the crane beam is therefore required.
Disclosure of Invention
The invention aims to provide a beam body reinforcing method of a crane beam, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a beam body reinforcing method of a crane beam comprises the following steps:
s1: repairing and mapping the crane beam before reinforcing;
s2: manufacturing a reinforcing structure, and reinforcing the crane beam by using the reinforcing structure for the first time to form a reinforcing beam body after the first reinforcement;
s3: and performing secondary reinforcement on the primary reinforced beam body based on S2, forming a reinforced beam after the secondary reinforcement and realizing the reinforcement of the beam body.
Preferably, S1 specifically includes: s11: repairing cracks at the end parts of the two sides of the crane beam before reinforcing, wherein the repairing comprises welding and repairing the cracks; s12: and surveying and mapping the crane beam after repairing, and determining the size of the installed reinforcing structure.
Preferably, the reinforcing structure in S2 includes an upper reinforcing frame, a lower reinforcing frame, a fastener, a first reinforcing member and a second reinforcing member, the two end portions of the upper reinforcing frame and the lower reinforcing frame are respectively provided with a top plate and a bottom plate, and the upper reinforcing frame and the top plate are provided with mounting grooves matched with the upper portion and the middle portion of the crane beam; the lower reinforcing frame is arranged on the lower portion of the upper reinforcing frame, the top end face of the lower reinforcing frame is in contact with the bottom end face of the lower portion of the crane beam, the lower reinforcing frame and the upper reinforcing frame are both provided with connecting holes, a fastening piece is connected between the lower reinforcing frame and the upper reinforcing frame, penetrates through the connecting holes and connects the upper reinforcing frame, the lower portion of the crane beam and the lower reinforcing frame.
Preferably, the first reinforcing members are arranged on two sides of the crane beam, the first reinforcing members comprise reinforcing rib plates and reinforcing bolts, the reinforcing rib plates are fixedly connected to the outer side of the crane beam, the bottom ends of the reinforcing rib plates are connected with the upper reinforcing frame through the reinforcing bolts, and included angles between the reinforcing rib plates and the bottom surface of the upper reinforcing frame are acute angles.
Preferably, the upper reinforcing frame, the top plate, the lower reinforcing frame and the bottom plate form a primary reinforcing beam body, the second reinforcing member is arranged on the outer sides of the upper reinforcing frame and the lower reinforcing frame, the second reinforcing member comprises two symmetrical reinforcing seats, and the end parts of the reinforcing seats are matched with the outer side of the primary reinforcing beam body.
Preferably, the upper reinforcing frame and the lower reinforcing frame are both of an isosceles trapezoid frame structure.
Preferably, the reinforcement structure in S2 specifically includes, for the crane beam, the following steps: s21: arranging a pore channel on the crane beam, placing the upper part and the middle part of the crane beam in an installation groove formed on the upper reinforcing frame and the top plate, enabling the pore channel to correspond to a connecting hole on the upper reinforcing frame, and then welding and fixing the installation groove; s22: arranging the lower reinforcing frame at the bottom of the crane beam, and connecting the connecting holes in the lower reinforcing frame with the corresponding pore passages through fasteners; s23: reinforcing rib plates are arranged on two sides of the crane beam, the bottom of each reinforcing rib plate is connected with the inner side wall of the upper reinforcing frame through a reinforcing bolt, and a primary reinforcing beam body is formed after reinforcing connection.
Preferably, the secondary reinforcement in S3 includes: s31: welding the two reinforcing seats, and placing the two reinforcing seats on the outer side of the primary reinforcing beam body, wherein the shapes of the side end surfaces of the two reinforcing seats are matched with the outer side surface of the primary reinforcing beam body; s32: and welding the two reinforcing seats with the outer side surface of the primary reinforcing beam body by adopting gas shielded welding.
Compared with the prior art, the invention has the beneficial effects that:
the reinforcing method of the invention enhances the operation safety of the crane beam, improves the production efficiency of a factory, disperses the stress of the end part of the crane beam through the matching of the upper reinforcing frame and the lower reinforcing frame, on one hand, reinforces the beam body, ensures the strength of the whole crane beam, has small investment and short period, reduces the danger, on the other hand, improves the connection and support strength of the crane beam and the reinforcing structure, avoids the fracture of the end part of the crane beam, and has good use effect.
Drawings
FIG. 1 is a first flowchart of a consolidation method according to the present invention;
FIG. 2 is a second flowchart of the reinforcement method of the present invention;
FIG. 3 is a flow chart of a third embodiment of the reinforcement method of the present invention;
FIG. 4 is a schematic structural view of a primary reinforcing beam body according to the present invention;
FIG. 5 is a schematic view of a portion of the primary reinforcing beam of the present invention;
FIG. 6 is a schematic structural diagram of a second fastener in the secondary reinforcement process of the present invention.
In the figure: 1. a crane beam; 2. an upper reinforcing frame; 21. a top plate; 3. a lower reinforcing frame; 31. a base plate; 4. a fastener; 5. a first reinforcing member; 51. reinforcing the ribbed plate; 52. reinforcing the bolt; 6. and a second reinforcing member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-6, the present invention provides a technical solution: a beam body reinforcing method of a crane beam comprises the following steps:
s1: repairing and surveying and mapping the crane beam 1 before reinforcing;
s2: manufacturing a reinforcing structure, reinforcing the crane beam 1 by using the reinforcing structure for the first time, and forming a reinforcing beam body after the first reinforcement;
s3: and performing secondary reinforcement on the primary reinforced beam body based on S2, forming a reinforced beam after the secondary reinforcement and realizing the reinforcement of the beam body.
In this embodiment, S1 specifically includes: s11: repairing cracks at the end parts of the two sides of the crane beam 1 before reinforcing, wherein the repairing comprises welding and repairing the cracks; s12: and surveying and mapping the crane beam 1 after repairing, and determining the size of the installed reinforcing structure.
Referring to fig. 4, in the present embodiment, the reinforcing structure in S2 includes an upper reinforcing frame 2, a lower reinforcing frame 3, a fastening member 4, a first reinforcing member 5, and a second reinforcing member 6, wherein two end portions of the upper reinforcing frame 2 and the lower reinforcing frame 3 are respectively provided with a top plate 21 and a bottom plate 31, and the upper reinforcing frame 2 and the top plate 21 are provided with mounting grooves matched with the upper portion and the middle portion of the crane beam 1; the lower reinforcing frame 3 is arranged on the lower portion of the upper reinforcing frame 2, the top end face of the lower reinforcing frame 3 is in contact with the bottom end face of the lower portion of the crane beam 1, connecting holes are formed in the lower reinforcing frame 3 and the upper reinforcing frame 2, a fastening piece 4 is connected between the lower reinforcing frame 3 and the upper reinforcing frame 2, and the fastening piece 4 penetrates through the connecting holes and connects the upper reinforcing frame 2, the lower portion of the crane beam 1 and the lower reinforcing frame 3.
Referring to fig. 5, in the present embodiment, the first reinforcing members 5 are disposed on two sides of the crane beam 1, each first reinforcing member 5 includes a reinforcing rib 51 and a reinforcing bolt 52, the reinforcing rib 51 is fixedly connected to the outer side of the crane beam 1, the bottom end of the reinforcing rib 51 is connected to the upper reinforcing frame 2 through the reinforcing bolt 52, and an included angle between the reinforcing rib 51 and the bottom surface of the upper reinforcing frame 2 is an acute angle.
In this embodiment, the upper reinforcing frame 2, the top plate 21, the lower reinforcing frame 3 and the bottom plate 31 form a primary reinforcing beam body, the second reinforcing member 6 is disposed outside the upper reinforcing frame 2 and the lower reinforcing frame 3, the second reinforcing member 6 includes two symmetrical reinforcing seats, and the ends of the reinforcing seats are matched with the outside of the primary reinforcing beam body.
In this embodiment, the upper reinforcing frame 2 and the lower reinforcing frame 3 are both an isosceles trapezoid frame structure.
In this embodiment, the reinforcing structure in S2 specifically includes, for one time, reinforcing the crane beam: s21: arranging a pore channel on the crane beam 1, placing the upper part and the middle part of the crane beam 1 in mounting grooves formed on the upper reinforcing frame 2 and the top plate 21, enabling the pore channel to correspond to a connecting hole on the upper reinforcing frame 2, and then welding and fixing the mounting grooves; s22: arranging the lower reinforcing frame 3 at the bottom of the crane beam 1, and connecting the connecting holes on the lower reinforcing frame 3 corresponding to the pore passages through the fasteners 4; s23: reinforcing rib plates 51 are installed on two sides of the crane beam 1, the bottom of the reinforcing rib plate 51 is connected with the inner side wall of the upper reinforcing frame 2 through a reinforcing bolt 52, and a primary reinforcing beam body is formed after reinforcing connection.
Referring to fig. 6, in the present embodiment, the secondary reinforcement in S3 includes: s31: welding the two reinforcing seats, and placing the two reinforcing seats on the outer side of the primary reinforcing beam body, wherein the shapes of the side end surfaces of the two reinforcing seats are matched with the outer side surface of the primary reinforcing beam body; s32: and welding the two reinforcing seats with the outer side surface of the primary reinforcing beam body by adopting gas shielded welding.
The reinforcing method of the invention enhances the operation safety of the crane beam, improves the production efficiency of a factory, disperses the stress of the end part of the crane beam through the matching of the upper reinforcing frame 2 and the lower reinforcing frame 3, on one hand, reinforces the beam body, ensures the strength of the whole crane beam, has small investment and short period, reduces the danger, on the other hand, improves the connection and support strength of the crane beam and the reinforcing structure, avoids the fracture of the end part of the crane beam, and has good use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A beam body reinforcing method of a crane beam is characterized by comprising the following steps:
s1: repairing and surveying and mapping the crane beam (1) before reinforcing;
s2: manufacturing a reinforcing structure, and reinforcing the crane beam (1) by using the reinforcing structure for the first time to form a reinforced beam body after the first reinforcement;
s3: and performing secondary reinforcement on the primary reinforced beam body based on S2, forming a reinforced beam after the secondary reinforcement and realizing the reinforcement of the beam body.
2. The method for reinforcing a beam body of a crane beam according to claim 1, wherein the S1 specifically includes: s11: repairing cracks at the end parts of the two sides of the crane beam (1) before reinforcing, wherein the repairing comprises welding and repairing the cracks; s12: and surveying and mapping the crane beam (1) after repairing, and determining the size of the installed reinforcing structure.
3. The beam body reinforcing method of the crane beam as claimed in claim 1, wherein the reinforcing structure in S2 comprises an upper reinforcing frame (2), a lower reinforcing frame (3), a fastening member (4), a first reinforcing member (5) and a second reinforcing member (6), wherein a top plate (21) and a bottom plate (31) are respectively installed at two end parts of the upper reinforcing frame (2) and the lower reinforcing frame (3), and installation grooves matched with the upper part and the middle part of the crane beam (1) are formed in the upper reinforcing frame (2) and the top plate (21); the lower reinforcing frame (3) is arranged on the lower portion of the upper reinforcing frame (2), the top end face of the lower reinforcing frame (3) is in contact with the bottom end face of the lower portion of the crane beam (1), connecting holes are formed in the lower reinforcing frame (3) and the upper reinforcing frame (2), a fastening piece (4) is connected between the lower reinforcing frame (3) and the upper reinforcing frame (2), and the fastening piece (4) penetrates through the connecting holes and connects the upper reinforcing frame (2), the lower portion of the crane beam (1) and the lower reinforcing frame (3).
4. The method for reinforcing the beam body of the crane beam as claimed in claim 3, wherein the first reinforcing members (5) are arranged on two sides of the crane beam (1), the first reinforcing members (5) comprise reinforcing rib plates (51) and reinforcing bolts (52), the reinforcing rib plates (51) are fixedly connected to the outer side of the crane beam (1), the bottom ends of the reinforcing rib plates (51) are connected with the upper reinforcing frame (2) through the reinforcing bolts (52), and an included angle between the reinforcing rib plates (51) and the bottom surface of the upper reinforcing frame (2) is an acute angle.
5. A beam reinforcing method for crane beam according to claim 3, characterized in that the upper reinforcing frame (2), the top plate (21), the lower reinforcing frame (3) and the bottom plate (31) form a primary reinforcing beam, the second reinforcing member (6) is arranged outside the upper reinforcing frame (2) and the lower reinforcing frame (3), the second reinforcing member (6) comprises two symmetrical reinforcing seats, and the ends of the reinforcing seats are matched with the outside of the primary reinforcing beam.
6. The method for reinforcing the beam body of the crane beam as claimed in claim 3, wherein the upper reinforcing frame (2) and the lower reinforcing frame (3) are both of an isosceles trapezoid frame structure.
7. The method for reinforcing the beam body of the crane beam as claimed in any one of claims 1 to 6, wherein the step of reinforcing the crane beam by the reinforcing structure in the step S2 specifically comprises the following steps: s21: arranging a pore channel on the crane beam (1), placing the upper part and the middle part of the crane beam (1) in mounting grooves formed on the upper reinforcing frame (2) and the top plate (21), enabling the pore channel to correspond to a connecting hole on the upper reinforcing frame (2), and then welding and fixing the mounting grooves; s22: the lower reinforcing frame (3) is arranged at the bottom of the crane beam (1), and connecting holes in the lower reinforcing frame (3) correspond to the pore passages and are connected through fasteners (4); s23: reinforcing rib plates (51) are arranged on two sides of the crane beam (1), the bottom of each reinforcing rib plate (51) is connected with the inner side wall of the upper reinforcing frame (2) through a reinforcing bolt (52), and a primary reinforcing beam body is formed after reinforcing connection.
8. The method for reinforcing a beam body of a crane beam according to any one of claims 1 to 6, wherein the secondary reinforcement in S3 includes: s31: welding the two reinforcing seats, and placing the two reinforcing seats on the outer side of the primary reinforcing beam body, wherein the shapes of the side end surfaces of the two reinforcing seats are matched with the outer side surface of the primary reinforcing beam body; s32: and welding the two reinforcing seats with the outer side surface of the primary reinforcing beam body by adopting gas shielded welding.
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| CN202010271174.7A CN111591883B (en) | 2020-04-08 | 2020-04-08 | Beam body reinforcing method of crane beam |
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| CN202010271174.7A CN111591883B (en) | 2020-04-08 | 2020-04-08 | Beam body reinforcing method of crane beam |
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