CN219344166U - Lower foundation ditch horse way bearing structure under hanging - Google Patents
Lower foundation ditch horse way bearing structure under hanging Download PDFInfo
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- CN219344166U CN219344166U CN202320440285.5U CN202320440285U CN219344166U CN 219344166 U CN219344166 U CN 219344166U CN 202320440285 U CN202320440285 U CN 202320440285U CN 219344166 U CN219344166 U CN 219344166U
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Abstract
The utility model provides a foundation ditch horse way bearing structure under lower hanging, belongs to foundation ditch construction field, and the horse way articulates on the supporting beam in the foundation ditch, and supporting beam from the top down sets gradually three, and the supporting beam vertically and horizontally staggered sets up in every way, and two I-steel instrument roof beam support horse ways are established to the horizontal Liang Jianjia of first supporting beam, and two I-steel instrument roof beam support horse ways are erect between the horizontal roof beam of second supporting beam, and the longitudinal Liang Jianjia of third supporting beam establishes and takes the pole to support the horse way. The two I-steel tool beams are positioned on one pair of sides of the catwalk, the upper surface of the supporting beam is connected with a buried plate, two ends of the lower flange plate of the I-steel tool beam are welded on the buried plate, the upright post of the catwalk is connected with a connecting plate through a bolt, and the bottom edge of the connecting plate is welded on the surface of the upper flange plate of the I-steel tool beam. The utility model solves the problems that the external tension of the traditional lower-hanging type lower foundation pit horse way to the supporting structure is too large, the supporting structure is easy to damage, and the unilateral connection stability is poor.
Description
Technical Field
The utility model belongs to the field of foundation pit construction, and particularly relates to a lower-hanging type lower foundation pit horse way supporting structure.
Background
In foundation pit construction, the catwalk is a transportation road or platform in foundation pit foundation excavation and cofferdam, a floor-type lower foundation pit catwalk or a lower-hanging type lower foundation pit catwalk is generally adopted, the floor-type lower foundation pit has high requirements on bearing capacity, strength and flatness of the foundation, water cannot be accumulated, and when foundation conditions cannot meet the construction of the floor-type lower foundation pit catwalk, the lower-hanging type lower foundation pit catwalk is generally adopted.
However, the traditional lower hanging type lower foundation pit horse way is generally connected to the foundation pit supporting structure through a supporting piece in a single side, the requirement on the construction strength of the supporting structure is high, the traditional lower hanging type lower foundation pit horse way is connected to the supporting structure in a single side, the external tension of the supporting structure is too large, the supporting structure is easy to damage, and the stability of the single side connection is poor.
Disclosure of Invention
The utility model aims to provide a lower-hanging type lower foundation pit horse way supporting structure, which solves the problems that the traditional lower-hanging type lower foundation pit horse way is connected to a foundation pit supporting structure through a supporting piece on one side, has high construction strength requirement on the supporting structure, is connected to the supporting structure on one side, has overlarge external tension on the supporting structure, is easy to damage the supporting structure and has poor stability of single-side connection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lower-hanging type lower foundation pit horse way supporting structure is characterized in that a horse way is hung on supporting beams in a foundation pit, the supporting beams are sequentially arranged in three ways from top to bottom, the supporting beams in each way are arranged in a crisscross mode, two I-shaped steel tool beam supporting horse ways are arranged in the transverse direction Liang Jianjia of a first supporting beam, two I-shaped steel tool beam supporting horse ways are erected between the transverse beams of a second supporting beam, and a connecting rod supporting horse way is arranged in the longitudinal direction Liang Jianjia of a third supporting beam.
The two I-steel tool beams are positioned on one side of the catwalk, the upper surface of the supporting beam is connected with a buried plate, two ends of a lower flange plate of the I-steel tool beam are welded on the buried plate, a connecting plate is connected on a stand column of the catwalk through bolts, and the bottom edge of the connecting plate is welded on the surface of an upper flange plate of the I-steel tool beam; reinforcing plates are welded between the web plate of the I-steel tool beam and the upper and lower flange plates at intervals.
Further preferred technical scheme: one end of the lap joint rod is horizontally welded on the upright post of the catwalk, and the other end of the lap joint rod is erected on the longitudinal beam of the support beam.
Further preferred technical scheme: the inner side and the outer side of each upright post of the horse way are connected with connecting plates.
Further preferred technical scheme: the connecting plates are connected to the upright posts of the same horse way, and the height of the connecting plate positioned at the inner side of the horse way is smaller than that of the connecting plate positioned at the outer side of the horse way.
Further preferred technical scheme: the connecting plates positioned at the inner side of the horse way are positioned below the cross beam of the horse way, the connecting plates positioned at the outer side of the horse way are positioned outside the two end faces of the cross beam of the horse way, and the bottom edges of the connecting plates positioned at the inner side and the outer side of the horse way are flush.
Further preferred technical scheme: the supporting beam is a concrete beam, a rod bolt is embedded in the supporting beam, a connecting hole is formed in the buried plate, and the buried plate is connected to the rod bolt in a penetrating mode through the connecting hole.
Further preferred technical scheme: the size of the connecting plate positioned on the inner side of the horse race is 130 x 300 x 14mm.
Further preferred technical scheme: the size of the connecting plate positioned outside the horse race is 350 x 300 x 14mm.
Further preferred technical scheme: the reinforcing plate is a 14mm thick rectangular steel plate.
Further preferred technical scheme: the size of the buried plate is 400×400×14mm.
Compared with the prior art, the utility model has the following characteristics and beneficial effects:
1, erecting an I-steel tool beam on a supporting beam to provide balanced, stable and multiple lower hanging stress points for a horse way; the standard section upright post of the catwalk is provided with the connecting plate capable of supporting stress, the catwalk is erected on the I-steel tool beam through the connecting plate, the connecting plate is erected vertically with the I-steel tool beam, the I-steel tool beam is erected vertically with the supporting beam, the I-steel tool beam and the supporting beam are firmly connected in pairs, the stability is stronger, the stress is better, and the catwalk is applicable to deeper foundation pits; the connecting plate is movably connected with the catwalk through bolts, and the catwalk can be easily separated from the foundation pit through the connecting plate, so that the catwalk is convenient to turn over.
2, in the utility model, the inner side and the outer side of each upright post of the horse road are connected with connecting plates; the connecting plates are connected to the upright posts of the same horse way, and the height of the connecting plate positioned at the inner side of the horse way is smaller than that of the connecting plate positioned at the outer side of the horse way; the connecting plate that is located the horse and says the inboard crossbeam below that is located the horse, and the connecting plate that is located the horse and says the outside is located the both ends face of the crossbeam of horse outside, guarantees that the connecting plate that is located the horse is interior, the outside is parallel, and the lower part can be connected on the stand of same horse, connects more conveniently, fast, is located the connecting plate base parallel and level in the horse, the outside, is convenient for weld with I-steel instrument roof beam.
Drawings
FIG. 1 is a schematic illustration of the connection of the uprights of the catwalk of the present utility model to the I-beam tool beam and between the I-beam tool beam and the support beam via the connection plates.
Fig. 2 is an elevation view of the underhung lower foundation pit roadway support structure of the present utility model.
Fig. 3 is a plan view of the underhung lower foundation pit roadway support structure of the present utility model.
FIG. 4 is a view showing the arrangement of the connecting plates on the inner and outer sides of the pillar of the catwalk according to the present utility model.
Fig. 5 is a structural view of the connecting plate of the present utility model positioned on the inner and outer sides of a roadway.
FIG. 6 is a schematic view of the welding of the upper and lower flange plates to the reinforcing plate of the I-beam tool of the present utility model.
Reference numerals: 1-horse way, 2-supporting beam, 3-I-steel tool beam, 4-lap joint rod, 5-buried plate, 6-connecting plate and 7-reinforcing plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 6, in the lower-hanging type lower foundation pit horse road supporting structure, a horse road 1 is hung on a supporting beam 2 in a foundation pit, the supporting beams are sequentially arranged in three ways from top to bottom, the supporting beams in each way are crisscrossed, two I-steel tool beams 3 are arranged in the transverse direction Liang Jianjia of a first supporting beam to support the horse road, two I-steel tool beams 3 are erected between the transverse beams of a second supporting beam to support the horse road, and a connecting rod 4 is arranged in the longitudinal direction Liang Jianjia of a third supporting beam to support the horse road.
The two I-steel tool beams 3 are longitudinally arranged, have a clear distance of 3200mm and are positioned on one side of the catwalk 1, the catwalk is 350mm away from the I-steel tool beams, namely, the distance between the outer vertical surface of a cross beam of the catwalk and the inner side edge of a flange plate of the I-steel tool beam 3 is 50mm, and the distance of 50mm is reserved on the premise that the bearing distance and the strength of the I-steel tool beam 3 to the catwalk are ensured, so that the I-steel tool beam 3 and the catwalk are prevented from being directly and rigidly collided, the overall stability is influenced, and the problem of easy damage is solved; the upper surface of the supporting beam 2 is embedded with a buried plate 5, the buried plate 5 is a steel plate with the size of 400 x 14mm, two ends of a lower flange plate of the I-steel tool beam 3 are welded on the buried plate 5, a connecting plate 6 is connected to a stand column of a horse road through bolts, and the bottom edge of the connecting plate is welded on the surface of an upper flange plate of the I-steel tool beam 3; reinforcing plates 7 are welded between the web plates of the I-steel tool beam 3 and the upper and lower flange plates at intervals, the reinforcing plates 7 are rectangular steel plates with the thickness of 14mm, the supporting strength of the I-steel tool beam 3 is enhanced, and the supporting stability is guaranteed.
By erecting the I-steel tool beam 3 on the supporting beam, a plurality of balanced, stable and lower hanging stress points are provided for the catwalk; the standard section upright post of the catwalk is provided with the connecting plate 6 capable of supporting stress, the catwalk is erected on the I-steel tool beam through the connecting plate, the connecting plate 6 is erected vertically with the I-steel tool beam, the I-steel tool beam is erected vertically with the supporting beam, the I-steel tool beam and the supporting beam are firmly connected in pairs, the stability is higher, the stress is better, and the catwalk is applicable to deeper foundation pits; the connecting plate 6 is movably connected with the catwalk through bolts, and the catwalk can be easily separated from the foundation pit through the connecting plate 6, so that the catwalk is convenient to turn over.
One end of the lap joint rod 4 is horizontally welded on the upright post of the catwalk 1, and the other end of the lap joint rod is erected on the longitudinal beam of the supporting beam, so that a third support is provided for the catwalk, and the support strength and stability of the catwalk are ensured.
The connecting plate 6 is a rectangular steel plate, and bolt holes are formed in the upper side and the lower side of one side of the connecting plate at intervals; the inner side and the outer side of each upright post of the horse way 1 are connected with connecting plates 6; referring to fig. 4, the connecting plates 6 connected to the columns of the same catwalk 1 are located at the inner side of the catwalk at a height smaller than the height of the connecting plates located at the outer side of the catwalk; the connecting plates 6 positioned at the inner side of the horse way are positioned below the cross beam of the horse way, the connecting plates 6 positioned at the outer side of the horse way are positioned outside the two end surfaces of the cross beam of the horse way, the connecting plates 6 positioned at the inner side and the outer side of the horse way are parallel, the lower parts of the connecting plates can be connected to the upright posts of the same horse way, the connection is more convenient and rapid, the bottom edges of the connecting plates 6 positioned at the inner side and the outer side of the horse way are parallel and level, and the connecting plates are convenient to weld with I-steel tool beams; the size of the connecting plate 6 positioned on the inner side of the horse race is 130 mm by 300 mm by 14mm; the dimensions of the connection plate 6 located outside the horse race are 350 x 300 x 14mm.
The supporting beam 2 is a concrete beam, a rod bolt is arranged in the supporting beam in a beating mode, the rod bolt is an M10 anchor bolt or an 18 expansion bolt, the embedded plate 5 is a square steel plate with the diameter of 400 x 14mmd, connecting holes are formed in four corners of the embedded plate 5, the embedded plate 5 is connected to the rod bolt in a penetrating mode through the connecting holes, the embedded plate is arranged, the I-steel tool beam 3 is convenient to be connected with the supporting beam, and the supporting beam structure is prevented from being damaged.
The catwalk is formed by assembling standard sections through bolts, and the standard sections comprise cross beams, upright posts, platforms and stairs.
Oblique straw pulling is arranged between the horse road and the supporting beam, so that the drawknot support of the horse road is enhanced.
The steel materials in the method are Q235 steel materials, the thickness of the steel materials is 14mm, the requirements of welding seams are met, the welding seams are three-level welding seams, and the height of the welding seams is not less than 10mm.
The working process of the utility model comprises the following steps:
and 1, driving anchor bolts into the first supporting beam and the second supporting beam, and connecting the buried plate to the supporting beams through the anchor bolts.
And 2, erecting the I-steel tool beam between transverse beams of the supporting beam, and welding two ends of the I-steel tool beam on the buried plate.
And 3, connecting the connecting plate on the upright post of the assembled horse way through bolts.
And 4, welding one end of the lap joint rod on the upright post of the horse way at the third support beam.
And 5, lowering the catwalk, welding the connecting plates on the I-steel tool beams corresponding to the first supporting beam and the second supporting beam, and completing construction of the lower-hanging lower foundation pit catwalk supporting structure.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (10)
1. Under foundation ditch horse way bearing structure under hanging, horse way (1) articulates on supporting beam (2) in the foundation ditch, and supporting beam from the top down sets gradually three, and supporting beam vertically and horizontally staggered sets up its characterized in that in every way: two I-steel tool beams (3) are arranged in the transverse direction Liang Jianjia of the first supporting beam to support the horse way, two I-steel tool beams (3) are erected between the transverse beams of the second supporting beam to support the horse way, and a connecting rod (4) is arranged in the longitudinal direction Liang Jianjia of the third supporting beam to support the horse way;
two I-steel tool beams (3) are positioned on one pair of sides of the catwalk (1), the upper surface of the supporting beam (2) is connected with a buried plate (5), two ends of a lower flange plate of the I-steel tool beams (3) are welded on the buried plate (5), a connecting plate (6) is connected to an upright post of the catwalk through bolts, and the bottom edge of the connecting plate is welded on the surface of the upper flange plate of the I-steel tool beams (3); reinforcing plates (7) are welded between the web plate of the I-steel tool beam (3) and the upper and lower flange plates at intervals.
2. The underhung lower foundation pit roadway support structure of claim 1, wherein: one end of the connecting rod (4) is horizontally welded on the upright post of the catwalk (1), and the other end is erected on the longitudinal beam of the supporting beam.
3. The underhung lower foundation pit roadway support structure of claim 1, wherein: the inner side and the outer side of each upright post of the horse way (1) are connected with connecting plates (6).
4. A underhung lower pit roadway support structure according to claim 3, wherein: and the connecting plates (6) are connected to the upright posts of the same horse way (1), and the height of the connecting plates positioned at the inner side of the horse way is smaller than that of the connecting plates positioned at the outer side of the horse way.
5. A underhung lower pit roadway support structure according to claim 3, wherein: the connecting plates (6) positioned at the inner side of the horse way are positioned below the cross beam of the horse way, the connecting plates (6) positioned at the outer side of the horse way are positioned outside the two end surfaces of the cross beam of the horse way, and the bottom edges of the connecting plates (6) positioned at the inner side and the outer side of the horse way are flush.
6. The underhung lower foundation pit roadway support structure of claim 1, wherein: the support beam (2) is a concrete beam, a rod bolt is embedded in the support beam, a connecting hole is formed in the buried plate (5), and the buried plate (5) is connected to the rod bolt in a penetrating mode through the connecting hole.
7. A underhung lower pit roadway support structure according to claim 3, wherein: the size of the connecting plate (6) positioned on the inner side of the horse way is 130 mm by 300 mm by 14mm.
8. A underhung lower pit roadway support structure according to claim 3, wherein: the size of the connecting plate (6) positioned outside the horse way is 350mm by 300 mm by 14mm.
9. The underhung lower foundation pit roadway support structure of claim 1, wherein: the reinforcing plate (7) is a rectangular steel plate with a thickness of 14mm.
10. The underhung lower foundation pit roadway support structure of claim 1, wherein: the dimensions of the buried plate (5) are 400 x 14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320440285.5U CN219344166U (en) | 2023-03-10 | 2023-03-10 | Lower foundation ditch horse way bearing structure under hanging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320440285.5U CN219344166U (en) | 2023-03-10 | 2023-03-10 | Lower foundation ditch horse way bearing structure under hanging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219344166U true CN219344166U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320440285.5U Active CN219344166U (en) | 2023-03-10 | 2023-03-10 | Lower foundation ditch horse way bearing structure under hanging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219344166U (en) |
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2023
- 2023-03-10 CN CN202320440285.5U patent/CN219344166U/en active Active
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