CN215829435U - Deep basal pit underground space is developed with combination shaped steel supporting beam structure - Google Patents
Deep basal pit underground space is developed with combination shaped steel supporting beam structure Download PDFInfo
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- CN215829435U CN215829435U CN202121977357.7U CN202121977357U CN215829435U CN 215829435 U CN215829435 U CN 215829435U CN 202121977357 U CN202121977357 U CN 202121977357U CN 215829435 U CN215829435 U CN 215829435U
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Abstract
The utility model provides a combined type steel support beam structure for development of an underground space of a deep foundation pit, which relates to the technical field of steel support structures and comprises a unit type steel structure, wherein multiple groups of unit type steel structures are arranged and connected in a splicing manner, and each unit type steel structure comprises I-shaped steel, cross arms and connecting steel; the I-beams are provided with four groups, and two groups of cross arms are connected between two groups of adjacent I-beams at the front end and the rear end; the supporting beam is formed by a plurality of unit type steel structures by adopting a unit type design, the supporting beams with different lengths can be conveniently formed by combining according to different fields for supporting, the production cost is reduced, in addition, only the cross arm and the I-shaped steel need to be fixedly installed through the first installation hole and the sliding hole matched with the first locking bolt and the nut, and the receiving steel and the I-shaped steel only need to be fixedly installed through the second installation hole and the third installation hole matched with the second locking bolt, so the construction is more convenient.
Description
Technical Field
The utility model relates to the technical field of steel supporting structures, in particular to a combined type steel supporting beam structure for development of an underground space of a deep foundation pit.
Background
When the construction involving the foundation pit and underground is carried out, in order to ensure the safety and the efficiency of the construction, a foundation pit enclosure is generally required to be arranged around the foundation pit, an enclosing purlin and a supporting beam are arranged in the foundation pit enclosure, the supporting beam is abutted against the enclosing purlin, and the stability of the foundation pit enclosure is ensured by applying pressure to the enclosing purlin, so that the safety of the foundation pit is ensured;
in the prior art, because the fields are different in shape, the section steels with different sizes and shapes are required to form a specific supporting beam for supporting according to different fields, so that the limitation on materials is greater, the production cost is increased, and the construction is very inconvenient, therefore, the utility model provides the combined section steel supporting beam structure for the development of the underground space of the deep foundation pit to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a combined type steel support beam structure for development of underground space of a deep foundation pit, which adopts a unit type design, and the support beam is composed of a plurality of unit type steel structures, so that the support beams with different lengths can be conveniently combined according to different fields for supporting, and the production cost is reduced.
In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: a combined profile steel supporting beam structure for deep foundation pit underground space development comprises a unit profile steel structure, wherein multiple groups of unit profile steel structures are arranged and connected in a splicing manner, and each unit profile steel structure comprises I-shaped steel, cross arms and connecting steel;
the I-steel is equipped with four groups, and adjacent front and back end is two sets of be connected with two sets of between the I-steel cross arm, and two sets of cross arm is crisscross from top to bottom sets up, the connection steel is connected two sets of adjacent upper and lower extreme between the I-steel, the both ends of I-steel top and bottom both sides all are equipped with the slide opening, both ends on the cross arm all are equipped with first mounting hole, cross arm is through first mounting hole and slide opening fixed mounting, be equipped with the slot on the I-steel, connection steel and slot looks adaptation, the upper and lower extreme on the connection steel all is equipped with the second mounting hole, the upper and lower end of slot lateral wall all is equipped with the third mounting hole, the connection steel passes through second mounting hole and third mounting hole fixed mounting.
The further improvement lies in that: adjacent first mounting hole and slide opening interpolation are equipped with first locking bolt, and the nut is installed to first locking bolt's lower extreme, crossing arm and I-steel are through first mounting hole, the first locking bolt of slide opening cooperation, nut fixed mounting.
The further improvement lies in that: and second locking bolts are inserted into the adjacent second mounting holes and the third mounting holes, and the connecting steel and the I-steel are fixedly mounted through the cooperation of the second mounting holes and the third mounting holes and the second locking bolts.
The further improvement lies in that: the middle position department on the arm that crosses is equipped with the hinge hole, and adjacent two sets of alternately the hinge hole interpolation of arm that crosses is equipped with third locking bolt, and the nut is installed to third locking bolt lower extreme, third locking bolt cooperation nut is fixed two sets of the angle that crosses of arm.
The further improvement lies in that: one side of the I-steel is provided with splicing blocks, the other side of the I-steel is provided with splicing grooves, the splicing blocks are matched with the splicing grooves, and the plurality of groups of unit type steel structures are spliced and connected through matching of the splicing blocks and the splicing grooves.
The further improvement lies in that: the splicing blocks are provided with fourth mounting holes, the I-steel on the splicing grooves is provided with fifth mounting holes, and the fourth mounting holes and the fifth mounting holes are fixed through screws.
The further improvement lies in that: the cross arm and the connecting steel are both solid steel, and reinforcing ribs are filled in the cross arm and the connecting steel.
The utility model has the beneficial effects that:
1. the utility model adopts the unit design, the supporting beams are formed by a plurality of unit type steel structures, the supporting beams with different lengths can be conveniently formed by combining according to different fields for supporting, and the production cost is reduced.
2. The unit type section steel structure comprises the I-shaped steel, the cross arm and the connecting steel, when the unit type section steel structure is installed, the cross arm and the I-shaped steel are fixedly installed only through the first installation hole and the sliding hole matched with the first locking bolt and the nut, and the connecting steel and the I-shaped steel are fixedly installed through the second installation hole and the third installation hole matched with the second locking bolt, so that the construction is more convenient.
3. When the cross arms are installed, the included angles of the two groups of cross arms which are crossed can be changed through the sliding range of the sliding holes, so that the distance between the two groups of I-shaped steel of the adjacent front and rear ends is changed, the width is adjusted, and the cross arms are suitable for different site requirements.
4. According to the utility model, the splicing blocks are matched with the splicing grooves for splicing connection, so that a plurality of groups of unit type steel structures extend horizontally to form the supporting beam, and the connecting steel is installed into the inserting grooves, so that I-shaped steel can be installed infinitely in the vertical direction, the vertical extension is convenient, and the supporting beam is suitable for different installation requirements.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of a unit-type steel section according to the present invention;
FIG. 3 is a schematic illustration of an I-beam of the present invention;
FIG. 4 is a schematic view of a cross arm of the present invention;
FIG. 5 is a schematic view of the connection steel of the present invention.
Wherein: 1. a unit type profile steel structure; 2. i-shaped steel; 3. a cross arm; 4. connecting steel; 5. a slide hole; 6. a first mounting hole; 7. a slot; 8. a second mounting hole; 9. a third mounting hole; 10. a first locking bolt; 11. a second locking bolt; 12. a hinge hole; 13. a third locking bolt; 14. splicing blocks; 15. splicing grooves; 16. a fourth mounting hole; 17. and a fifth mounting hole.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to the drawings of fig. 1, 2, 3, 4 and 5, the embodiment provides a combined section steel supporting beam structure for deep foundation pit underground space development, which comprises a unit type section steel structure 1, wherein the unit type section steel structure 1 is provided with a plurality of groups, the plurality of groups of unit type section steel structures 1 are spliced and connected, and the unit type section steel structure 1 comprises i-shaped steel 2, cross arms 3 and connecting steel 4;
i-steel 2 is equipped with four groups, and two sets of adjacent front and back end be connected with two sets of between the I-steel 2 cross arm 3, and two sets of cross arm 3 is crisscross from top to bottom set up, connecting steel 4 connects two sets of adjacent upper and lower extreme between the I-steel 2, the both ends of I-steel 2 top and bottom both sides all are equipped with slide opening 5, both ends on the cross arm 3 all are equipped with first mounting hole 6, cross arm 3 is through first mounting hole 6 and slide opening 5 fixed mounting, be equipped with slot 7 on the I-steel 2, connecting steel 4 and slot 7 looks adaptation, the last lower extreme that is equipped with on connecting steel 4 all is equipped with second mounting hole 8, the upper and lower extreme of slot 7 lateral wall all is equipped with third mounting hole 9, connecting steel 4 passes through second mounting hole 8 and third mounting hole 9 fixed mounting. A supporting beam is formed by a plurality of unit type steel structures 1, conveniently according to different places, make up into a supporting beam of different length and support, the production cost is reduced, during the installation, only need to intersect arm 3 and I-steel 2 fixed mounting, will connect steel 4 and I-steel 2 fixed mounting can, when intersecting arm 3 installs, through the slip range of slide opening 5, change two sets of alternately crossing arm 3's contained angle, thereby change the distance between two sets of adjacent front and back end I-steel 2, adjust the width, and through installing into slot 7 connecting steel 4, can infinitely install I-steel 2 in the vertical direction, make things convenient for perpendicular extension.
Adjacent first mounting hole 6 is equipped with first lock bolt 10 with 5 interpolations of slide opening, and the nut is installed to the lower extreme of first lock bolt 10, cross arm 3 and I-steel 2 through first mounting hole 6, 5 cooperation first lock bolt 10 of slide opening, nut fixed mounting.
And a second locking bolt 11 is inserted into the second mounting hole 8 and the third mounting hole 9, and the connecting steel 4 and the I-shaped steel 2 are fixedly mounted through the second mounting hole 8 and the third mounting hole 9 in a manner of being matched with the second locking bolt 11.
The middle position department on the arm 3 that crosses is equipped with hinge hole 12, and adjacent two sets of alternately the hinge hole 12 interpolation of arm 3 that crosses is equipped with third locking bolt 13, and the nut is installed to third locking bolt 13 lower extreme, third locking bolt 13 cooperates the nut to fix two sets of the angle of crossing of arm 3.
The cross arm 3 and the connecting steel 4 are both solid steel, and reinforcing ribs are filled in the cross arm 3 and the connecting steel 4.
Example two
According to the drawings of fig. 1, 2, 3, 4 and 5, the embodiment provides a combined section steel supporting beam structure for deep foundation pit underground space development, which comprises a unit type section steel structure 1, wherein the unit type section steel structure 1 is provided with a plurality of groups, the plurality of groups of unit type section steel structures 1 are spliced and connected, and the unit type section steel structure 1 comprises i-shaped steel 2, cross arms 3 and connecting steel 4;
i-steel 2 is equipped with four groups, and two sets of adjacent front and back end be connected with two sets of between the I-steel 2 cross arm 3, and two sets of cross arm 3 is crisscross from top to bottom set up, connecting steel 4 connects two sets of adjacent upper and lower extreme between the I-steel 2, the both ends of I-steel 2 top and bottom both sides all are equipped with slide opening 5, both ends on the cross arm 3 all are equipped with first mounting hole 6, cross arm 3 is through first mounting hole 6 and slide opening 5 fixed mounting, be equipped with slot 7 on the I-steel 2, connecting steel 4 and slot 7 looks adaptation, the last lower extreme that is equipped with on connecting steel 4 all is equipped with second mounting hole 8, the upper and lower extreme of slot 7 lateral wall all is equipped with third mounting hole 9, connecting steel 4 passes through second mounting hole 8 and third mounting hole 9 fixed mounting. A supporting beam is formed by a plurality of unit type steel structures 1, conveniently according to different places, make up into a supporting beam of different length and support, the production cost is reduced, during the installation, only need to intersect arm 3 and I-steel 2 fixed mounting, will connect steel 4 and I-steel 2 fixed mounting can, when intersecting arm 3 installs, through the slip range of slide opening 5, change two sets of alternately crossing arm 3's contained angle, thereby change the distance between two sets of adjacent front and back end I-steel 2, adjust the width, and through installing into slot 7 connecting steel 4, can infinitely install I-steel 2 in the vertical direction, make things convenient for perpendicular extension.
The unit-type steel structure is characterized in that splicing blocks 14 are arranged on one side of the I-shaped steel 2, splicing grooves 15 are formed in the other side of the I-shaped steel 2, the splicing blocks 14 are matched with the splicing grooves 15, and the multiple groups of unit-type steel structures 1 are matched with the splicing grooves 15 through the splicing blocks 14 and are spliced.
The splicing block 14 is provided with a fourth mounting hole 16, the joist steel 2 on the splicing groove 15 is provided with a fifth mounting hole 17, and the fourth mounting hole 16 and the fifth mounting hole 17 are fixed through a screw. The splicing blocks 14 are matched with the splicing grooves 15 for splicing connection, so that the multiple groups of unit type steel structures 1 horizontally extend to form a supporting beam.
The cross arm 3 and the connecting steel 4 are both solid steel, and reinforcing ribs are filled in the cross arm 3 and the connecting steel 4.
The combined type steel supporting beam structure for the development of the underground space of the deep foundation pit adopts a unit type design, the supporting beam is composed of a plurality of unit type steel structures 1, the supporting beams with different lengths can be conveniently combined to support according to different sites, the production cost is reduced, the unit type steel structures 1 are composed of I-shaped steel 2, cross arms 3 and connecting steel 4, when in installation, the cross arms 3 and the I-shaped steel 2 are only required to be fixedly installed through a first installation hole 6, a sliding hole 5 and a first locking bolt 10 which are matched with each other, and nuts, the connecting steel 4 and the I-shaped steel 2 are fixedly installed through a second installation hole 8 and a third installation hole 9 and a second locking bolt 11 which are matched with each other, the construction is more convenient, meanwhile, when the cross arms 3 are installed, the included angles of the two groups of cross arms 3 which are crossed can be changed through the sliding range of the sliding hole 5, so that the distance between the two groups of the adjacent I-shaped steel 2 at the front end and the back end is changed, come the width of adjusting, be fit for different place needs, in addition, cooperate splice groove 15 concatenation connection through splice block 14 for 1 horizontal extension of multiunit formula shaped steel structure constitutes a supporting beam, through going into slot 7 with connecting steel 4 installation, can infinitely install I-steel 2 in the vertical direction, and convenient perpendicular extension is combined, is fit for different installation needs.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a deep basal pit underground space is developed and is used combination shaped steel supporting beam structure, includes unit type shaped steel structure (1), its characterized in that: the unit type steel structure (1) is provided with a plurality of groups, the unit type steel structures (1) are spliced, and the unit type steel structure (1) comprises I-shaped steel (2), cross arms (3) and connecting steel (4);
the I-steel (2) is provided with four groups, two groups of cross arms (3) are connected between two groups of I-steel (2) at the adjacent front and rear ends, the two groups of cross arms (3) are arranged in a vertically crossed manner, the connecting steel (4) is connected between two groups of I-steel (2) at the adjacent upper and lower ends, sliding holes (5) are arranged at two ends of two sides of the top and bottom of the I-steel (2), first mounting holes (6) are arranged at two ends of each cross arm (3), the cross arms (3) are fixedly mounted with the sliding holes (5) through the first mounting holes (6), slots (7) are arranged on the I-steel (2), the connecting steel (4) is matched with the slots (7), second mounting holes (8) are arranged at the upper and lower ends of the connecting steel (4), third mounting holes (9) are arranged at the upper and lower ends of the outer side wall of the slots (7), and the connecting steel (4) is fixedly installed with the third installation hole (9) through the second installation hole (8).
2. The combined type steel supporting beam structure for the development of the underground space of the deep foundation pit as claimed in claim 1, wherein: adjacent first mounting hole (6) and slide opening (5) interpolation are equipped with first lock bolt (10), and the nut is installed to the lower extreme of first lock bolt (10), cross arm (3) and I-steel (2) are through first mounting hole (6), slide opening (5) cooperation first lock bolt (10), nut fixed mounting.
3. The combined type steel support beam structure for the development of the underground space of the deep foundation pit as claimed in claim 2, wherein: and a second locking bolt (11) is inserted into the second mounting hole (8) and the third mounting hole (9) in an adjacent mode, and the connecting steel (4) and the I-shaped steel (2) are fixedly mounted through the second mounting hole (8) and the third mounting hole (9) in a matched mode with the second locking bolt (11).
4. The combined type steel supporting beam structure for the development of the underground space of the deep foundation pit as claimed in claim 3, wherein: the crossing arm is characterized in that a hinge hole (12) is formed in the middle position of the crossing arm (3), two groups of adjacent crossing arms are inserted into the hinge hole (12) of the crossing arm (3) to form a third locking bolt (13), a nut is installed at the lower end of the third locking bolt (13), and the third locking bolt (13) is matched with the nut to fix the crossing angle of the crossing arm (3).
5. The combined type steel support beam structure for the development of the underground space of the deep foundation pit as claimed in any one of claims 1 to 4, wherein: one side of the I-shaped steel (2) is provided with splicing blocks (14), the other side of the I-shaped steel (2) is provided with splicing grooves (15), the splicing blocks (14) are matched with the splicing grooves (15), and the plurality of groups of unit-type steel structures (1) are spliced and connected through the matching of the splicing blocks (14) and the splicing grooves (15).
6. The combined type steel support beam structure for the development of the underground space of the deep foundation pit as claimed in claim 5, wherein: the splicing blocks (14) are provided with fourth mounting holes (16), the I-shaped steel (2) on the splicing grooves (15) is provided with fifth mounting holes (17), and the fourth mounting holes (16) and the fifth mounting holes (17) are fixed through screws.
7. The combined type steel supporting beam structure for the development of the underground space of the deep foundation pit as claimed in claim 1, wherein: the cross arm (3) and the connecting steel (4) are both solid steel, and reinforcing ribs are filled in the cross arm (3) and the connecting steel (4).
Priority Applications (1)
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CN202121977357.7U CN215829435U (en) | 2021-08-23 | 2021-08-23 | Deep basal pit underground space is developed with combination shaped steel supporting beam structure |
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CN202121977357.7U CN215829435U (en) | 2021-08-23 | 2021-08-23 | Deep basal pit underground space is developed with combination shaped steel supporting beam structure |
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