Steel support stress conversion device

Abstract

The utility model relates to a steel support stress conversion device. A traditional construction method is tedious in construction procedure, poor in waterproof effect of a post-pouring part, high in construction risk and long in construction period. The device comprises a stress conversion mechanism, the stress conversion mechanism is arranged on a station structure top plate and a station structure middle plate, an air flue steel support is connected to the stress conversion mechanism, and the other end of the air flue steel support is connected with an auxiliary fender post; the stress conversion mechanism comprises a first supporting base and a second supporting base, the first supporting base is arranged on a top plate of a station structure, the second supporting base is arranged on a middle plate of the station structure, the air duct steel support comprises a first steel pipe support and a second steel pipe support, the first steel pipe support is connected to the first supporting base, and the second steel pipe support is connected to the second supporting base. The second steel pipe support is connected to the second supporting base. Only one-time pouring is needed, the construction procedure is simple, construction is safe, and the construction period is short.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to a steel support force conversion device. Background Art

[0002] At present, in traditional open-cut subway stations, auxiliary foundation pits such as air ducts need to be excavated after the main structure of the station is completed. The foundation pits of open-cut station air ducts are often long strips, and the foundation pit support measures are generally pile support systems. The traditional construction method is usually to support the auxiliary support on the existing station retaining piles, and then cast the structure at the junction of the auxiliary and the main structure. However, this method has cumbersome construction procedures, poor waterproofing effect of the post-cast part, high construction risks, and a long construction period.

[0003] Therefore, there is an urgent need for a support and load-bearing device that is simple to construct on site, can ensure the one-time pouring of the auxiliary structure, and is safe and economical. Summary of the invention

[0004] The utility model aims to provide a steel support force conversion device to at least solve the problems of the prior art of complicated construction procedures, multiple pouring, high construction risks and long construction period.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A steel support force conversion device, comprising a force conversion mechanism, the force conversion mechanism is arranged on the station structure top plate and the station structure middle plate, the force conversion mechanism is connected to the air duct steel support, and the other end of the air duct steel support is connected to the auxiliary enclosure pile, so as to complete the force conversion;

[0007] The force conversion mechanism includes a first support bearing and a second support bearing, the first support bearing is arranged on the top plate of the station structure, and the second support bearing is arranged on the middle plate of the station structure. The air duct steel support includes a first steel pipe support and a second steel pipe support, the first steel pipe support is connected to the first support bearing, and the second steel pipe support is connected to the second support bearing.

[0008] Furthermore, the first supporting bearing includes a plurality of first supporting ribs, a plurality of first supporting steel ribs, a plurality of first steel plates and a first embedded steel plate, the first embedded steel plate is arranged on the top plate of the station structure, a plurality of the first supporting steel ribs are vertically spaced on the first embedded steel plate, a plurality of the first steel plates are respectively arranged on the upper end and left and right sides of the first supporting steel rib, and a plurality of the first supporting ribs are arranged on the first steel plate on the first supporting steel rib away from the first steel pipe support side.

[0009] Furthermore, the first supporting rib is a pentagon, and the first supporting steel rib is a trapezoid.

[0010] Furthermore, the first support base is 1300-1500 mm long and 700-900 mm wide.

[0011] Furthermore, the first steel pipe support is horizontally connected to the first steel plate on a side of the first supporting steel rib away from the first supporting rib plate.

[0012] Furthermore, the second supporting bearing includes a plurality of second supporting ribs, a plurality of second supporting steel ribs, a plurality of second steel plates and a second embedded steel plate, the second embedded steel plate is arranged on the station structure middle plate, a plurality of the second supporting steel ribs are arranged vertically at intervals on the second embedded steel plate, a plurality of the second steel plates are respectively arranged on the upper end and left and right sides of the second supporting steel rib, and a plurality of the second supporting ribs are arranged on the second steel plate on the second supporting steel rib away from the second steel pipe support side.

[0013] Furthermore, the second supporting rib is a pentagon, and the second supporting steel rib is a trapezoid.

[0014] Furthermore, the second support base is 1300-1500 mm long and 700-900 mm wide.

[0015] Furthermore, the second steel pipe support is obliquely connected to the second steel plate on a side of the second supporting steel rib away from the second supporting rib plate.

[0016] Furthermore, the first embedded steel plate and the second embedded steel plate are both provided with a plurality of through holes, and are respectively fixedly connected to the station structure top plate and the station structure middle plate by through-hole plug welding.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] The force conversion mechanism provided in the utility model comprises a first support bearing and a second support bearing. The first support bearing is arranged on the top plate of the station structure, and the second support bearing is arranged on the middle plate of the station structure. The first steel pipe support is connected to the first support bearing, and the second steel pipe support is connected to the second support bearing. To complete the force conversion, only one casting is required, which avoids the need for staged casting of the structure during the auxiliary construction process. The existing station structure top plate and station structure middle plate are combined with the device to form a force system, which is used to provide a force-bearing device for the auxiliary steel support. There will be no spatial conflict between the auxiliary structure and the main supporting piles. The construction process is simple and the waterproof effect is good. In addition, the construction is safe and the construction period is short. It has high economic and social benefits and has broad application prospects in urban rail transit, railways, building construction and other projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, drawings of other embodiments can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the structure of the utility model used in a construction site;

[0021] Figure 2 It is a plan layout diagram of the utility model;

[0022] Figure 3 is a plan view of the first support bearing;

[0023] Figure 4 yes Figure 3 The cross-section at D in the middle;

[0024] Figure 5 is a schematic diagram of the structure of the first supporting rib;

[0025] Figure 6 is a schematic diagram of the first supporting steel rib structure;

[0026] Figure 7 is a plan view of the second support bearing;

[0027] Figure 8 yes Figure 7 Sectional view at C in the middle;

[0028] Fig. 9 It is the plan view of the first embedded steel plate;

[0029] Fig.10 is a schematic diagram of the connection of the first embedded steel plate;

[0030] The symbols in the figure are:

[0031] 1-force conversion mechanism, 11-first support bracket, 111-first support rib, 112-first support steel rib, 113-first steel plate, 114-first embedded steel plate, 12-second support bracket, 121-second support rib, 122-second support steel rib, 123-second steel plate, 124-second embedded steel plate,

[0032] 2- air duct steel support, 21- first steel pipe support, 22- second steel pipe support,

[0033] 3-station structure top plate, 4-station structure middle plate, 5-attached retaining piles. DETAILED DESCRIPTION

[0034] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0035] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Meanwhile, in the description of the present invention, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance. Of course, such objects can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0038] Example:

[0039] A steel support force conversion device, such as Figure 1-Figure 10 As shown, it includes a force conversion mechanism 1, which is provided with embedded reinforcement along the station structure top plate 3 and the station structure middle plate 4, and the air duct steel support 2 is erected on the force conversion mechanism 1, and the other end of the air duct steel support 2 is connected to the auxiliary retaining pile 5, thereby completing the force conversion.

[0040] The force conversion mechanism 1 includes a first support bearing 11 and a second support bearing 12. The first support bearing 11 is arranged on the top plate 3 of the station structure, and the second support bearing 12 is arranged on the middle plate 4 of the station structure. The air duct steel support 2 includes a first steel pipe support 21 and a second steel pipe support 22. The first steel pipe support 21 is connected to the first support bearing 11, and the second steel pipe support 22 is connected to the second support bearing 12.

[0041] The first support bearing 11 includes three first support ribs 111, three first support steel ribs 112, three first steel plates 113 and a first embedded steel plate 114. The first embedded steel plate 114 is welded to the station structure top plate 3. The three first support steel ribs 112 are welded to the first embedded steel plate 114 at vertically equidistant intervals. The three first steel plates 113 are respectively welded to the upper ends and left and right sides of the three first support steel ribs 112. The three first support ribs 111 are welded to the first steel plate 113 on the first support steel rib 112 away from the first steel pipe support 21.

[0042] In this embodiment, the first supporting rib 111 is a pentagon with a length of 400 mm and a height of 200 mm. The first supporting steel rib 112 is a trapezoid with a height of 800 mm. The sizes of the first supporting rib 111 and the first supporting steel rib 112 can be processed according to the actual measured sizes on site. The thickness of the first supporting rib 111, the first supporting steel rib 112, the first steel plate 113 and the first embedded steel plate 114 are all 20 mm.

[0043] The first support bracket 11 is 1400 mm long and 800 mm wide.

[0044] The first steel pipe support 21 is horizontally connected to the first steel plate 113 on the side of the first supporting steel rib 112 away from the first supporting rib plate 111 .

[0045] Furthermore, the second supporting bearing 12 includes three second supporting ribs 121, three second supporting steel ribs 122, three second steel plates 123 and a second embedded steel plate 124. The second embedded steel plate 124 is welded to the station structure middle plate 4. The three second supporting steel ribs 122 are welded to the second embedded steel plate 124 at vertically equidistant intervals. The three second steel plates 123 are respectively welded to the upper ends and left and right sides of the three second supporting steel ribs 122. The three second supporting ribs 121 are welded to the second steel plate 123 on the second supporting steel rib 122 away from the second steel pipe support 22.

[0046] Among them, the second supporting rib 121 is a pentagon with a length of 300mm and a height of 200mm. The second supporting steel rib 122 is a trapezoid with a height of 660mm. The sizes of the second supporting rib 121 and the second supporting steel rib 122 can be processed according to the actual measured sizes on site. The thickness of the second supporting rib 121, the second supporting steel rib 122, the second steel plate 123 and the second embedded steel plate 124 are all 20mm.

[0047] The second support bracket 12 is 1400 mm long and 800 mm wide.

[0048] The second steel pipe support 22 is obliquely connected to the second steel plate 123 on the side of the second supporting steel rib 122 away from the second supporting rib plate 121 .

[0049] The first embedded steel plate 114 and the second embedded steel plate 124 are both provided with a plurality of through holes, and are fixedly connected to the station structure top plate 3 and the station structure middle plate 4 respectively by through-hole plug welding.

[0050] The sizes of the first steel plate 113 and the second steel plate 123 can be processed according to the actual measured sizes on site. The height of the welding welds is 12 mm, and full penetration groove welding is used.

[0051] The use process of this embodiment is as follows:

[0052] Tidy up the site and construct the pavilion foundation pit retaining piles;

[0053] The top beam and retaining wall of the foundation pit piles are constructed by slope laying. The first support bearing 11 is installed on the top plate 3 of the station structure. After the wind pavilion foundation pit is excavated to 0.5m below the first support, the excavation is stopped, and the steel purlin is installed and the first steel pipe support 21 is erected. The next excavation is not allowed until the first steel pipe support 21 is debugged. The station main body retaining piles are excavated and chiseled to the first excavation surface;

[0054] The second support bearing 12 is installed on the station structure middle plate 4, and the wind pavilion foundation pit is excavated to 0.5m below the second support. The steel purlin and concrete waist beam are constructed, and the second steel pipe support 22 is erected. The next step of excavation shall not be carried out before the second steel pipe support 22 is debugged. The station main body retaining piles are excavated and chiseled to the second excavation surface;

[0055] After excavation continues to the base, the slope must be set to build a water collection pit after precipitation is completed, and the cushion layer and bottom plate waterproof layer must be constructed in time; the station main body retaining piles are excavated and chiseled to the bottom of the foundation pit, and the structural bottom plate is constructed, and the concrete cover of the water collection pit is cast and formed at the same time;

[0056] When the side wall reaches the second steel pipe support 22 and the bottom slab concrete reaches the design strength, the second steel pipe support 22, steel tie beam and steel purlin are removed; it is strictly forbidden to remove the second steel pipe support 22 when the bottom slab concrete has not reached the design strength;

[0057] Construct the roof of the wind pavilion structure. When the side wall of the wind duct reaches below the first steel pipe support 21 and the concrete of the roof reaches the design strength, remove the first steel pipe support 21; construct the side wall of the wind duct and the part above the entrance and exit roof, and construct the roof waterproof layer; chisel out the retaining wall, backfill the roof with soil to meet the compaction requirements, and restore the surface.

[0058] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of ​​the present invention.

Claims

1. A steel support force conversion device, characterized in that: The device comprises a force conversion mechanism (1), the force conversion mechanism (1) is arranged on the station structure top plate (3) and the station structure middle plate (4), the force conversion mechanism (1) is connected to the air duct steel support (2), and the other end of the air duct steel support (2) is connected to the auxiliary enclosure pile (5), thereby completing the force conversion; The force conversion mechanism (1) comprises a first support bracket (11) and a second support bracket (12), wherein the first support bracket (11) is arranged on the top plate (3) of the station structure, and the second support bracket (12) is arranged on the middle plate (4) of the station structure; the air duct steel support (2) comprises a first steel pipe support (21) and a second steel pipe support (22), wherein the first steel pipe support (21) is connected to the first support bracket (11), and the second steel pipe support (22) is connected to the second support bracket (12).

2. A steel support force conversion device according to claim 1, characterized in that: The first support bearing (11) comprises a plurality of first support ribs (111), a plurality of first support steel ribs (112), a plurality of first steel plates (113) and a first embedded steel plate (114); the first embedded steel plate (114) is arranged on the station structure top plate (3); a plurality of first support steel ribs (112) are arranged vertically spaced on the first embedded steel plate (114); a plurality of first steel plates (113) are respectively arranged on the upper end and left and right sides of the first support steel rib (112); and a plurality of first support ribs (111) are arranged on the first steel plate (113) on the first support steel rib (112) away from the first steel pipe support (21) side.

3. A steel support force conversion device according to claim 2, characterized in that: The first supporting rib plate (111) is a pentagon, and the first supporting steel rib (112) is a trapezoid.

4. A steel support force conversion device according to claim 2, characterized in that: The first support bracket (11) is 1300-1500 mm long and 700-900 mm wide.

5. The steel support force conversion device according to claim 3 is characterized in that: The first steel pipe support (21) is horizontally connected to the first steel plate (113) on a side of the first supporting steel rib (112) away from the first supporting rib plate (111).

6. A steel support force conversion device according to claim 4, characterized in that: The second support bearing (12) comprises a plurality of second support ribs (121), a plurality of second support steel ribs (122), a plurality of second steel plates (123) and a second embedded steel plate (124); the second embedded steel plate (124) is arranged on the station structure middle plate (4); a plurality of second support steel ribs (122) are arranged vertically at intervals on the second embedded steel plate (124); a plurality of second steel plates (123) are respectively arranged on the upper end and left and right sides of the second support steel rib (122); and a plurality of second support ribs (121) are arranged on the second steel plate (123) on the second support steel rib (122) away from the second steel pipe support (22) side.

7. A steel support force conversion device according to claim 6, characterized in that: The second supporting rib plate (121) is a pentagon, and the second supporting steel rib (122) is a trapezoid.

8. The steel support force conversion device according to claim 1 is characterized in that: The second support bracket (12) is 1300-1500 mm long and 700-900 mm wide.

9. A steel support force conversion device according to claim 6, characterized in that: The second steel pipe support (22) is obliquely connected to the second steel plate (123) on a side of the second supporting steel rib (122) away from the second supporting rib plate (121).

10. A steel support force conversion device according to claim 6, characterized in that: The first embedded steel plate (114) and the second embedded steel plate (124) are both provided with a plurality of through holes, and are respectively fixedly connected to the station structure top plate (3) and the station structure middle plate (4) by through-hole plug welding.

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