Steel structure foundation pit support connecting node

Abstract

The utility model belongs to the technical field of steel structure foundation pit supporting, and particularly relates to a steel structure foundation pit supporting connecting node, a first connecting piece is fixed on a cattle foot, a second connecting piece is detachably arranged on the first connecting piece, the second connecting piece is detachably connected with a supporting beam, the first connecting piece comprises a first fixing base, and the first fixing base is provided with a second fixing base. The two sides of the first fixing base are each provided with a limiting boss, a plurality of first connecting steel angles are fixed to the upper end face of the first fixing base, the second connecting piece comprises a connecting base, the two sides of the connecting base are each fixedly provided with a connecting plate, and a plurality of second connecting steel angles are fixed to the lower end face of the connecting base. The upper end of the connecting base is connected with the supporting beam through a fixing bolt, when the first connecting pieces and the second connecting pieces are connected, the second connecting angle steel is arranged in a gap formed between every two adjacent first connecting angle steel, and the connecting plate is fixed to the side face of the fixing base through a fixing bolt.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure foundation pit support technical field especially relates to a steel structure foundation pit support connecting joint. BACKGROUND

[0002] In order to guarantee the safety of underground structure construction and the environment around foundation pit, the support, reinforcement and protection measures for the side wall and the environment around foundation pit are needed. Whether it is high-rise building or subway construction deep foundation pit engineering, since most of them are excavated in the city, there are usually traffic arteries, built buildings or pipelines and various structures around the foundation pit. In order to guarantee the safety of the environment around the foundation pit, save the construction period, save the cost, energy saving and emission reduction, the assembled steel support system is widely used.

[0003] In the prior art, the support beam and the column bracket under the foundation pit steel support are directly welded, which often causes damage to the support beam, and the repeated use of the support beam has certain safety hazards. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of steel structure foundation pit support connecting joint.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of steel structure foundation pit support connecting joint, including ox foot, the ox foot is fixed with connecting piece one, the connecting piece one is detachably provided with connecting piece two, the connecting piece two is detachably connected with support beam, the connecting piece one includes fixed seat one, the both sides of the fixed seat one are each provided with one limit boss, the upper end surface of the fixed seat one is fixed with several connecting angle steels one, the connecting piece two includes connecting seat, the both sides of the connecting seat are each fixed with one connecting plate, the lower end surface of the connecting seat is fixed with several connecting angle steels two, the connecting seat upper end is connected with support beam by fixed bolt, when connecting piece one and connecting piece two are connected, the connecting angle steel two is arranged in the gap formed between adjacent two connecting angle steels one, and the connecting plate is fixed on the side surface of fixed seat by fixed bolt.

[0007] Further, the connecting angle steels one are arranged in parallel and in contact on the fixed seat.

[0008] Further, the upper end surface of the fixed seat is fixed with two limit blocks one, and the side surface of the connecting angle steel one on the both sides of the upper end surface of the fixed seat is in contact with one limit block one.

[0009] Further, the connecting angle steel one is fixedly connected with the limit block one.

[0010] Further, the side surface of the fixed seat is provided with several connecting holes one.

[0011] Further, the connecting hole is a threaded hole.

[0012] Further, the limiting block one comprises a body one, and a connecting inclined groove one is arranged on the side upper end of the body one.

[0013] Further, two limiting plates two are fixed on the lower end surface of the connecting seat, and the upper end surface of the fixed seat is in contact with the limiting plates two on the side surfaces of the two connecting angle steels two.

[0014] Further, the connecting angle steel two is fixedly connected with the limiting plate two.

[0015] Further, the connecting angle steels two are arranged in parallel and in contact on the connecting seat.

[0016] Further, the connecting seat and the connecting plate are fixedly connected with the reinforcing plate two, the reinforcing plate two comprises a plate body one, one side surface of the plate body one is fixedly connected with the connecting seat, the other side surface of the plate body one is fixedly connected with the inner side of the connecting plate, and a limiting plate three is arranged on the lower end of the body one.

[0017] Further, a plurality of reinforcing plates two are arranged at the connecting position of the connecting seat and the connecting plate, and the limiting plate two is arranged between two adjacent reinforcing plates two.

[0018] Further, a connecting inclined groove two is arranged on the inner lower end of the connecting plate.

[0019] Further, the distance L4 from the lower end surface of the limiting plate three to the lower end surface of the connecting plate is equal to the distance L2 from the upper end surface of the limiting block one to the upper end surface of the limiting boss.

[0020] Further, the distance L3 between the inner sides of the two connecting plates is equal to the width L1 of the fixed seat.

[0021] Further, the cow foot comprises a fixed plate, the fixed plate is fixedly connected with the stand column, and a plurality of reinforcing plates one are arranged at the connecting position of the fixed plate and the stand column.

[0022] Further, the connecting angle steel one arranged on the fixed seat is N, and the connecting angle steel two arranged on the connecting seat is N-1.

[0023] Further, the connecting angle steel two arranged on the connecting seat is N, and the connecting angle steel one arranged on the fixed seat is N-1.

[0024] Beneficial effects: the connecting piece one is welded on the cow foot through the detachable mounting connecting piece two arranged on the lower part of the support beam, the connection of the cow foot and the support beam is realized, the damage of the support beam caused by welding is avoided, and the safety of the turnover use of the support beam is ensured. When the support beam is removed, the fixed bolt is only screwed off, and then the support beam can be lifted away, which is convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the utility model;

[0026] Figure 2 It is the utility model Figure 1 It is an enlarged view of A1 in the utility model;

[0027] Figure 3 It is a structural schematic view of the utility model in the ox foot;

[0028] Figure 4 It is a structural schematic view of the utility model in the connecting piece one;

[0029] Figure 5 It is the utility model Figure 4 It is a structural schematic view of the limiting block one in the utility model;

[0030] Figure 6 It is a structural schematic view of the connecting piece two in the utility model;

[0031] Figure 7 It is the utility model Figure 6 It is a structural schematic view of the reinforcing plate two in the utility model;

[0032] In the drawing, 1 is a stand column, 2 is an ox foot, 3 is a connecting piece one, 4 is a connecting piece two, 5 is a support beam, 6 is a fixed bolt;

[0033] 201 is a fixed plate, 202 is a reinforcing plate one;

[0034] 301 is a fixed seat, 302 is a limiting boss, 303 is a connecting hole one, 304 is a connecting angle steel one, 305 is a limiting block one;

[0035] 30501 is a main body one, 30502 is a connecting inclined groove one;

[0036] 401 is a connecting seat, 402 is a connecting angle steel two, 403 is a limiting plate two, 404 is a reinforcing plate two, 405 is a connecting plate, 406 is a connecting hole two, 407 is a connecting inclined groove two, 408 is a connecting pad plate, 409 is a connecting hole three;

[0037] 40401 is a plate body one, 40402 is a limiting plate three. DETAILED DESCRIPTION

[0038] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0039] In the description of the utility model, need understanding is, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and so on indicated orientation or positional relation is based on the orientation or positional relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the device or element must have a particular orientation, is constructed and operated with a particular orientation, therefore can not be understood as the limitation to the utility model.

[0040] Referring to Figures 1-7 A steel structure foundation pit support connecting joint, including ox foot 2, connecting piece one 3 is fixed on the ox foot 2, connecting piece one 3 is made of steel material, connecting piece two 4 is detachably arranged on connecting piece one 3, connecting piece two 4 is made of steel material, connecting piece two 4 is detachably connected with support beam 5, connecting piece one 3 includes fixed seat 301 one, fixed seat 301 one is fixed together with ox foot 2 by welding, one limiting boss 302 is arranged on the both sides of the upper end surface of fixed seat 301 one, a plurality of connecting angle steels one 304 are fixed on the upper end surface of fixed seat 301 one, and fixed seat 301 one and connecting angle steels one 304 are fixed together by welding, connecting piece two 4 includes connecting seat 401, one connecting plate 405 is fixed on the both sides of connecting seat 401, and connecting seat 401 and connecting plate 405 are connected by welding, a plurality of connecting angle steels two 402 are fixed on the lower end surface of connecting seat 401, and connecting seat 401 and connecting angle steels two 402 are fixed together by welding, the upper end of connecting seat 401 is connected with support beam 5 through fixing bolt 6, and connecting seat 401 and support beam 5 are connected in two ways, the first kind: a plurality of connecting holes three 409 are formed on the upper end surface of connecting seat 401, connecting holes three 409 are threaded holes, a plurality of connecting holes four are formed on the flange plate on the lower side of support beam 5, the positions of connecting holes four correspond to the positions of connecting holes three 409, and fixing bolt 6 is connected with connecting holes three 409 by screwing through connecting holes four; the second kind: connecting gasket plate 408 is fixed on the upper end surface of connecting seat 401 by welding, a plurality of connecting holes three 409 are formed on connecting gasket plate 408, connecting holes three 409 are threaded holes, a plurality of connecting holes four are formed on the flange plate on the lower side of support beam 5, the positions of connecting holes four correspond to the positions of connecting holes three 409, and fixing bolt 6 is connected with connecting holes three 409 by screwing through connecting holes four.When connecting piece one 3 and connecting piece two 4 are connected, connecting angle steels two 402 are arranged in the gap formed between adjacent two connecting angle steels one 304, connecting plate 405 is fixed on the side surface of fixed seat 301 through fixing bolt 6, a plurality of connecting holes two 406 are formed on connecting plate 405, the positions of connecting holes two 406 correspond to the positions of connecting holes one 303 on the side surface of fixed seat 301, fixing bolt 6 passes through connecting holes two 406 and is connected with connecting holes one 303 by screwing.

[0041] The application provides an embodiment of the parallel and contacting arrangement of the connecting angle steel one 304 on the fixing base 301 (as shown in the figure), so that the gap between the two adjacent connecting angle steels one 304 is just the shape of the connecting angle steel two 402. Figure 4 The upper end surface of the fixing base 301 is fixed with two limiting blocks one 305, and the fixing base 301 and the limiting blocks one 305 are fixed together by welding, and the upper end surface of the fixing base 301 is in contact with one limiting block one 305 on each side of the side surface of the connecting angle steel one 304. The connecting angle steel one 304 is fixedly connected with the limiting block one 305, and the connecting angle steel one 304 and the limiting block one 305 are fixed together by welding. The side surface of the fixing base 301 is provided with a plurality of connecting holes one 303. The connecting hole one 303 is a threaded hole.

[0042] The application provides an embodiment, referring to Figure 5 The limiting block one comprises a body one 30501, and the side surface of the body one 30501 is provided with a connecting inclined groove one 30502 at the upper end.

[0043] The application provides an embodiment, and the lower end surface of the connecting base 401 is fixed with two limiting plates two 403, and the connecting base 401 and the limiting plates two 403 are fixed together by welding, and the upper end surface of the fixing base 301 is in contact with one limiting plate two 403 on each side of the side surface of the connecting angle steel two 402. The connecting angle steel two 402 is fixedly connected with the limiting plate two 403, and the connecting angle steel two 402 and the limiting plate two 403 are fixed together by welding. The connecting angle steel two 402 is arranged in parallel and contact on the connecting base 401 (as shown in the figure). Figure 6 So that the gap between the two adjacent connecting angle steels two 402 is just the shape of the connecting angle steel one 304.

[0044] The application provides an embodiment, and the connecting base 401 is fixed with a reinforcing plate two 404 at the connecting position of the connecting plate 405, the reinforcing plate two 404 comprises a plate body one 40401, one side surface of the plate body one 40401 is fixedly connected with the connecting base 401, the plate body one 40401 and the connecting base 401 are fixed together by welding, the other side surface of the plate body one 40401 is fixedly connected with the inner side of the connecting plate 405, the plate body one 40401 and the connecting plate 405 are fixed together by welding, and the body one 30501 is provided with a limiting plate three 40402 at the lower end, and the limiting plate three 40402 and the inner side of the connecting plate 405 are fixed together by welding.

[0045] The application provides an embodiment, wherein the connecting seat 401 is provided with a plurality of reinforcing plates two 404 at the connecting position of the connecting plate 405, and the limiting plate two 403 is arranged between two adjacent reinforcing plates two 404. The inner lower end of the connecting plate 405 is provided with a connecting inclined groove two 407. The distance L4 between the lower end surface of the limiting plate three 40402 and the lower end surface of the connecting plate 405 is equal to the distance L2 between the upper end surface of the limiting block one 305 and the upper end surface of the limiting boss 302. In this way, the connecting plate 405 is in contact with the limiting boss 302, the connecting angle steel one 304 and the connecting angle steel two 402 are in contact, and the reinforcing plate two 404 is in contact with the limiting block one 305, so that three supporting points are formed between the connecting piece one 3 and the connecting piece two 4, the supporting strength of the supporting beam 5 is ensured, and the distance L3 between the inner sides of the two connecting plates 405 is equal to the width L1 of the fixed seat 301.

[0046] The application provides an embodiment, referring to Figure 3 The cow foot 2 comprises a fixed plate 201, the fixed plate 201 is fixedly connected with the column 1 through welding, a plurality of reinforcing plates one 202 are fixedly connected with the column 1 at the connecting position of the fixed plate 201 and the column 1, the reinforcing plates one 202 and the fixed plate 201 are fixedly connected through welding, the reinforcing plates one 202 are also fixedly connected with the column 1 through welding, the fixed plate 201 and the reinforcing plates one 202 are both made of steel, and the reinforcing plates one 202 improve the supporting strength of the fixed plate 201.

[0047] The application provides an embodiment, wherein the connecting angle steel one 304 on the fixed seat 301 is provided with N, and the connecting angle steel two 402 on the connecting seat 401 is provided with N-1. N-1 mounting gaps are formed between the connecting angle steels one 304 on the fixed seat 301, and one connecting angle steel two 402 is arranged in each mounting gap.

[0048] The application provides another embodiment, wherein the connecting angle steel two 402 on the connecting seat 401 is provided with N, and the connecting angle steel one 304 on the fixed seat 301 is provided with N-1. N-1 mounting gaps are formed between the connecting angle steels two 402 on the connecting seat 401, and one connecting angle steel one 304 is arranged in each mounting gap.

[0049] The assembly type, first install several connecting pieces two 4 under the support beam 5 through the fixing bolt 6, the fixing bolt 6 is passed through the connecting hole four of the support beam 5 and is connected with the connecting hole three 409 on the connecting seat 401 or the connecting pad plate 408 through the thread, then the support beam 5 and the connecting piece two 4 are hoisted to the connecting piece one 3 on the ox foot 2, when connecting, the connecting inclined groove two 407 under the connecting plate 405 first contacts the connecting inclined groove one 30502 on the limiting block one 305, so that the inner wall of the connecting plate 405 contacts the side wall of the fixed seat 301, with the falling of the support beam 5, the connecting angle steel one 304 on the connecting piece one 3 and the connecting angle steel two 402 on the connecting piece two 4 are contacted, since the model of the connecting angle steel one 304 and the connecting angle steel two 402 is consistent, the connecting angle steel two 402 falls into the gap between the adjacent two connecting angle steel one 304, or the connecting angle steel one 304 falls into the gap between the adjacent two angle steel two, when the lower end of the connecting plate 405 contacts the upper end of the limiting boss 302, the connecting angle steel one 304 and the connecting angle steel two 402 are contacted, the movement of the support beam 5 in the X direction is limited through the connecting angle steel one 304 and the connecting angle steel two 402, the movement of the support beam 5 in the Y and Z directions is limited through the fixing bolt 6.At the same time, the upper end surface of the limiting block one 305 contacts the lower end surface of the limiting plate three 40402, then the fixing bolt 6 is passed through the connecting hole two 406 of the connecting plate 405 and is connected with the connecting hole one 303 on the fixed seat 301 through the thread, so that the installation of the support beam 5 is completed.

[0050] When disassembling, the fixing bolt 6 when the connecting piece one 3 and the connecting piece two 4 are connected is taken out from the connecting hole two 406 and the connecting hole one 303, after being taken out, the support beam 5 can be hoisted from the ox foot 2, then the fixing bolt 6 when the support beam 5 and the connecting piece two 4 are connected is taken out, so that the separation of the support beam 5 and the connecting piece two 4 is realized.

[0051] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A steel structure foundation pit support connection joint comprising a cow foot, characterized in that: The connecting piece one is fixed on the cow's leg, the connecting piece two is detachably arranged on the connecting piece one, the connecting piece two is detachably connected with the supporting beam, the connecting piece one comprises a fixed seat one, a limiting boss is arranged on each side of the fixed seat one, a plurality of connecting angle steels one are fixed on the upper end surface of the fixed seat one, the connecting piece two comprises a connecting seat, a connecting plate is fixed on each side of the connecting seat, a plurality of connecting angle steels two are fixed on the lower end surface of the connecting seat, the connecting seat is connected with the supporting beam through fixing bolts, when the connecting piece one and the connecting piece two are connected, the connecting angle steels two are arranged in the gap formed by the adjacent two connecting angle steels one, and the connecting plate is fixed on the side surface of the fixed seat through fixing bolts.

2. A steel structure foundation pit support connecting joint according to claim 1, characterized in that: The connecting angle steels one are arranged in parallel and contact on the fixed seat.

3. The steel structure foundation pit support connecting joint according to claim 1, characterized in that: Two limiting blocks one are fixed on the upper end surface of the fixed seat, and the side surface of the connecting angle steel one on the upper end surface of the fixed seat is in contact with the limiting block one.

4. A steel structure foundation pit support connecting joint according to claim 3, characterized in that: A plurality of connecting holes one are arranged on the side surface of the fixed seat.

5. The steel structure foundation pit support connecting joint according to claim 3, characterized in that: The limiting block one comprises a body one, and a connecting inclined groove one is arranged on the side surface of the body one.

6. The steel structure foundation pit support connecting joint according to claim 1, characterized in that: Two limiting plates two are fixed on the lower end surface of the connecting seat, and the side surface of the connecting angle steel two on the upper end surface of the fixed seat is in contact with the limiting plate two.

7. The steel structure foundation pit support connecting joint according to claim 1, characterized in that: The distance L3 between the inner sides of the two connecting plates is equal to the width L1 of the fixed seat.

8. A steel structure foundation pit support connecting joint according to claim 7, characterized in that: The connecting angle steels one on the fixed seat are provided with N, and the connecting angle steels two on the connecting seat are provided with N-1.

9. A steel structure foundation pit support connecting joint according to claim 7, characterized in that: The connecting angle steels two on the connecting seat are provided with N, and the connecting angle steels one on the fixed seat are provided with N-1.

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