Pre-buried fixing device of roll line rag bolt
Technical Field
The utility model relates to the field of fixing of rolling line workshop equipment, in particular to a pre-embedded fixing device for a rolling line foundation bolt.
Background
In a steel mill production process in a steel mill, because the levelness requirements of equipment are different and the line of the equipment is longer, the quantity of embedded bolts of an equipment foundation is large, the model and specification are complicated and changeable, the distribution geometry of the bolts is greatly changed, and a plurality of bolts are arranged on the side surface; the elevation change of the bolt is complex; the holes cannot be cut and expanded after a large amount of imported equipment arrives at the site, so that great difficulty is increased for embedding bolts; one difficulty of the project is to directly determine the quality and progress requirements of the project when the embedding precision of the bolt is ensured; at present, equipment is fixed on the ground of a factory building by bolts, the bolts are likely to deviate due to ground vibration, the installation difficulty is high, the installation precision is low, and therefore the pre-embedded fixing device for the rolled line foundation bolts is urgently needed, wherein the pre-embedded fixing device is high in installation precision and low in installation difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a roll line foundation bolt pre-embedded fixing device, which is characterized in that a fixing device is erected by using angle steel and channel steel, a fixed steel bar and a horizontal steel bar are welded firmly, the fixing device is ensured to be firm and stable, the fixing device can be installed in a standard-aligning mode according to actual conditions, the position of a bolt hole of the channel steel can be adjusted if the position deviates, the installation precision is high, meanwhile, concrete is poured after the installation to improve the stability of the whole structure, and the roll line foundation bolt pre-embedded fixing device can be detached after the use is finished.
The embodiment of the utility model is realized by the following steps:
a rolling line foundation bolt pre-embedding fixing device comprises a fixing mould, a fixing device and a fixing device, wherein the fixing mould is fixed on the ground along a rolling line direction and comprises a first fixing structure and a second fixing structure which are arranged on the left side and the right side of a rolling line central line and have the same structure; the first fixing structure comprises vertical angle steel, transverse angle steel and angle brace angle steel, one end of the vertical angle steel is used for being vertically fixed on the ground, the other end of the vertical angle steel is vertically fixed with the transverse angle steel, the number of the vertical angle steel is two, the vertical angle steel, the transverse angle steel and the ground are enclosed to form a rectangular fixing structure, and the angle brace angle steel is arranged on the diagonal line of the rectangular structure; the fixing mould further comprises a fixing steel bar and a horizontal steel bar, the height of the horizontal steel bar is lower than that of the transverse angle steel, one end of the fixing steel bar is fixed on the horizontal steel bar, the other end of the fixing steel bar penetrates through the first supporting steel bar to be provided with an extending fixed end, channel steel is fixed on the extending fixed ends of the first fixing structure and the second fixing structure together, a connecting steel bar is arranged between the horizontal steel bars of the first fixing structure and the second fixing structure, and a bolt hole for fixing line rolling equipment is formed in the channel steel; the first fixing structure and the second fixing structure are arranged into a fixed integrated structure through pouring concrete. Use angle steel and channel-section steel to set up fixing device, fixed reinforcement and horizontal reinforcement welding are firm, ensure fixing device's firm stability, can carry out the alignment installation fixing device according to actual conditions, if there is the bolt hole position that the channel-section steel can also be adjusted in the skew in the position for the installation accuracy is high, pours the concrete after the installation finishes simultaneously and improves overall structure's stability, can demolish after finishing using.
Preferably, an embedded steel plate is arranged on the ground along the rolling line direction, and the vertical angle steel and the embedded steel are detachably fixed. The installation and the removal are convenient.
Preferably, the number of the diagonal bracing angles in the first fixing structure is two, and the diagonal bracing angles are arranged on the diagonal of the rectangular fixing structure in a crossed manner. The stability of the whole structure is improved.
Preferably, the number of the fixing steel bars in the first fixing structure is two, and the fixing steel bars are arranged in parallel.
Preferably, the channel steel is reversely buckled on the transverse angle steel on two sides, and the extending fixed end of the fixed steel bar is provided with threads to fix the transverse angle steel through a nut.
Preferably, the transverse angle steel of the first fixing structure and the transverse angle steel of the second fixing structure are further fixed through transverse supporting angle steel, and the end part of the transverse supporting angle steel is arranged at the joint position of the transverse angle steel and the vertical angle steel.
The method for pre-embedding and fixing the foundation bolt of the rolling line comprises the fixing device and further comprises the following steps:
s1: fixing the vertical angle steel, the horizontal angle steel and the inclined support angle steel into a first fixing structure and a second fixing structure;
s2: arranging a fixed steel bar, a horizontal steel bar and a connecting steel bar to fix the first fixed structure and the second fixed structure into a whole;
s3: pouring concrete to further fix the first fixing structure and the second fixing structure;
s4: measuring and marking the central line of the rolling line, and determining the installation position of equipment and the position of a corresponding bolt hole;
s5: arranging an embedded steel plate corresponding to the bolt hole position, and fixing the first fixing structure and the second fixing structure on the ground;
s6: a bolt hole is formed in the channel steel, and the channel steel is installed on the first fixing structure and the second fixing structure;
s7: and mounting rolling line equipment on the channel steel, and sequentially dismantling the concrete structure, the first fixing structure and the second fixing structure after use for cyclic utilization.
Preferably, in step S4, a rolling center line is paid out from the rolling platform, and a wire is pulled on the two mounting wire racks, and then the rolling center line is divided into the center lines of the equipment bases for positioning and mounting the pre-buried steel plates of the fixing devices.
Preferably, in step S4, the total station is used to identify the bolt position in segments, the total station is used to place points at the two longitudinal ends, and then the ink line is used to perform line snapping to determine the longitudinal position of the same row of embedded bolts; then using a total station to perform transverse positioning on each embedded bolt, marking the measuring and placing positions by using a wiping-resistant oily marker pen by measuring personnel, and using the marker pen to perform reinforced marking on the longitudinal position of the bolt; after the positioning is finished, the bolt mounting holes are formed in the channel steel through gas cutting, the error of the center of each hole cannot exceed 2mm, and the diameter of each hole is 2mm larger than that of each bolt for convenience of adjustment and calibration.
Preferably, the bolt is penetrated on the channel steel according to the positioning hole, the nut is worn, the position is adjusted according to the center line of the bolt, and the nut is spot-welded on the channel steel fixing frame; after the bolts of the whole equipment foundation are installed, the measuring personnel retest whether the bolt installation precision meets the requirements; adjusting the installation accuracy which does not meet the requirement after retesting; until all bolts are fully satisfactory.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that: the utility model discloses a rolling line foundation bolt pre-embedding fixing device which comprises a fixing die, a first fixing structure, a second fixing structure, a first fixing structure and a second fixing structure, wherein the fixing die is used for being fixed on the ground along a rolling line direction and comprises the first fixing structure and the second fixing structure which are arranged on the left side and the right side of a central line of a rolling line and have the same structure; the first fixing structure comprises vertical angle steel, transverse angle steel and angle brace angle steel, one end of the vertical angle steel is used for being vertically fixed on the ground, the other end of the vertical angle steel is vertically fixed with the transverse angle steel, the number of the vertical angle steel is two, the vertical angle steel, the transverse angle steel and the ground are enclosed to form a rectangular fixing structure, and the angle brace angle steel is arranged on a diagonal line of the rectangular structure; the fixed die further comprises a fixed steel bar and a horizontal steel bar, the height of the horizontal steel bar is lower than that of the transverse angle steel, one end of the fixed steel bar is fixed on the horizontal steel bar, the other end of the fixed steel bar penetrates through the first supporting steel bar to be provided with an extending fixed end, the extending fixed ends of the first fixed structure and the second fixed structure are jointly fixed with a channel steel, a connecting steel bar is arranged between the horizontal steel bars of the first fixed structure and the second fixed structure, and a bolt hole for fixing the line rolling equipment is formed in the channel steel; the first fixing structure and the second fixing structure are arranged into a fixed integrated structure through pouring concrete. Use angle steel and channel-section steel to set up fixing device, fixed reinforcement and horizontal reinforcement welding are firm, ensure fixing device's firm stability, can carry out the alignment installation fixing device according to actual conditions, if there is the bolt hole position that the channel-section steel can also be adjusted in the skew in the position for the installation accuracy is high, pours the concrete after the installation finishes simultaneously and improves overall structure's stability, can demolish after finishing using.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic side view of the present invention;
fig. 2 is a schematic top view of the present invention.
Description of specific element symbols: 1, concrete; 2, vertical angle steel; 3, transverse angle steel; 4, channel steel; 5, obliquely supporting angle steel; 6 fixing the steel bars; 7 horizontal steel bars; 8, connecting reinforcing steel bars; 9 a first fixed structure; 10 a second fixed structure; 41 bolt hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers 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. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "suspended", and the like do not imply that the components are required to be absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
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 in specific cases to those skilled in the art.
Example 1: referring to fig. 1 and 2, the fixing device for embedding the anchor bolt in the rolling line according to the present embodiment includes a fixing mold for fixing on the ground along the rolling line direction, and the fixing mold includes a first fixing structure 9 and a second fixing structure 10, which are disposed on the left and right sides of the center line of the rolling line and have the same structure; the first fixing structure 9 comprises vertical angle steels 2, transverse angle steels 3 and angle brace angle steels 5, one ends of the vertical angle steels 2 are used for being vertically fixed on the ground, the other ends of the vertical angle steels are vertically fixed with the transverse angle steels 3, the number of the vertical angle steels 2 is two, the vertical angle steels 2, the transverse angle steels 3 and the ground are enclosed to form a rectangular fixing structure, and the angle brace angle steels 5 are arranged on diagonal lines of the rectangular structure; the fixed die further comprises a fixed steel bar 6 and a horizontal steel bar 7, the height of the horizontal steel bar 7 is lower than that of the transverse angle steel 3, one end of the fixed steel bar 6 is fixed on the horizontal steel bar 7, the other end of the fixed steel bar penetrates through the first supporting steel bar to be provided with an extending fixed end, channel steel 4 is fixed on the extending fixed ends of the first fixed structure 9 and the second fixed structure 10 together, a connecting steel bar 8 is arranged between the horizontal steel bars 7 of the first fixed structure 9 and the second fixed structure 10, and a bolt hole 41 for fixing the line rolling equipment is formed in the channel steel 4; the first fixing structure 9 and the second fixing structure 10 are arranged as a fixed integrated structure by casting concrete 1. Use angle steel and channel-section steel 4 to set up fixing device, fixed reinforcement 6 and horizontal reinforcement 7 welding are firm, ensure fixing device's firm stability, can carry out the alignment installation fixing device according to actual conditions, if there is the bolt hole 41 position that the channel-section steel 4 can also be adjusted in the skew in position for the installation accuracy is high, concreting 1 improvement overall structure's stability after finishing at the installation simultaneously, can demolish after finishing using.
Example 2: this embodiment along rolling line direction subaerial being provided with pre-buried steel sheet, vertical angle steel 2 can dismantle fixedly with pre-buried steel. The installation and the removal are convenient. The number of the diagonal bracing angles 5 in the first fixing structure 9 of the present embodiment is two, and the diagonal bracing angles are arranged on the diagonal of the rectangular fixing structure in a crossing manner. The stability of the whole structure is improved. The number of the fixing bars 6 in the first fixing structure 9 of the present embodiment is two, and they are arranged in parallel to each other. The channel-section steel 4 of this embodiment back-off is on the horizontal angle steel 3 of both sides, and the extension stiff end of fixed reinforcing bar 6 is provided with the screw thread and passes through the nut to fix horizontal angle steel 3. The transverse angle steel 3 of the first fixing structure 9 and the second fixing structure 10 of the present embodiment is further fixed by a transverse support angle steel, and the end of the transverse support angle steel is disposed at the joint position of the transverse angle steel 3 and the vertical angle steel 2.
Example 3: the embodiment also provides a method for pre-embedding and fixing the rolling line foundation bolt, which comprises the fixing device and further comprises the following steps: s1: fixing a vertical angle steel 2, a horizontal angle steel 3 and an inclined support angle steel 5 into a first fixing structure 9 and a second fixing structure 10; s2: a fixed steel bar 6, a horizontal steel bar 7 and a connecting steel bar 8 are arranged to fix a first fixed structure 9 and a second fixed structure 10 into a whole; s3: the pouring concrete 1 further fixes the first fixing structure 9 and the second fixing structure 10; s4: measuring and marking the central line of the rolling line, and determining the installation position of the equipment and the position of the corresponding bolt hole 41; s5: arranging pre-buried steel plates corresponding to the positions of the bolt holes 41, and fixing the first fixing structure 9 and the second fixing structure 10 on the ground; s6: a bolt hole 41 is formed in the channel steel 4, and the channel steel 4 is installed on the first fixing structure 9 and the second fixing structure 10; s7: and mounting rolling line equipment on the channel steel 4, and sequentially dismantling the concrete 1 structure, the first fixing structure 9 and the second fixing structure 10 after use for cyclic utilization.
Example 4: in step S4, a rolling center line is paid out from the rolling platform, and a wire frame is pulled on two ends of the rolling center line, and then the center line of each equipment foundation is divided from the rolling center line for positioning and installing the pre-buried steel plates of the fixing device. In step S4, marking the bolt position by using a total station, placing points at both longitudinal ends by using the total station, and snapping the line by using an ink line to determine the longitudinal position of the same row of embedded bolts; then using a total station to perform transverse positioning on each embedded bolt, marking the measuring and placing positions by using a wiping-resistant oily marker pen by measuring personnel, and using the marker pen to perform reinforced marking on the longitudinal position of the bolt; after positioning is finished, the bolt mounting hole is formed in the channel steel 4 through gas cutting, the error of the center of the hole cannot exceed 2mm, and the diameter of the hole is 2mm larger than that of the bolt for convenience of adjustment and calibration. According to the embodiment, the bolt is penetrated on the channel steel 4 according to the positioning hole, the nut is worn, the position is adjusted according to the center line of the bolt, and the nut is spot-welded on the fixing frame of the channel steel 4; after the bolts of the whole equipment foundation are installed, the measuring personnel retest whether the bolt installation precision meets the requirements; adjusting the installation accuracy which does not meet the requirement after retesting; until all bolts are fully satisfactory.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.