A small-diameter steel pipe clamping groove type connection servo inclined throwing support device

Abstract

The present application provides a small-diameter steel pipe clamping groove type connection servo inclined throwing support device, which replaces the traditional large-diameter steel pipe or I-beam with three small-diameter steel pipes, reduces the weight of a single component, can be installed manually without using a tower crane, and reduces the installation difficulty and the installation pressure of the tower crane of the negative first floor construction. The present application realizes quick disassembly and assembly through the connection between the rod members, the rod members and the side wall, and the rod members and the loose joint steel pipe clamping groove. The present application pre-adds the axial force through the servo jack, and then controls the axial force change of the rod member through real-time monitoring, so as to ensure the safety of the foundation pit.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of building construction, and particularly relates to a small-diameter steel pipe clamping groove type connecting servo inclined throw support device. BACKGROUND

[0002] At present, in soft soil areas, deep foundation pit sub-pit construction is applied more and more widely. Because the construction technology is to carry out temporary pit foundation pit earthwork excavation after the positive and negative zero ends, the overall construction period is greatly affected. Therefore, the sub-pit construction is to increase the inclined I-beam throw support for the B1 layer plate to replace the support, and then the adjacent foundation pit earthwork excavation operation is carried out to shorten the overall construction period. However, considering that the I-beam used for replacing the support is nearly 10 long, the weight is too heavy, the installation is difficult, the installation time is long, the hoisting equipment such as tower crane is seriously occupied, the main construction is also greatly affected, and the axial force control cannot be carried out. The present application designs a small-diameter steel pipe clamping groove type connecting servo inclined throw support device with lighter weight and more convenient installation to replace the traditional inclined I-beam throw support. SUMMARY

[0003] In view of the problems in the prior art, the present application provides a small-diameter steel pipe clamping groove type connecting servo inclined throw support device, which solves the problems of the traditional replacing support structure, such as heavy weight, difficult installation, long installation time, and inability to monitor and control the axial force.

[0004] The present application achieves the above technical purposes through the following technical means.

[0005] A small-diameter steel pipe clamping groove type connecting servo inclined throw support device, which comprises a side wall pre-embedded plate embedded in a B1 layer outer wall body, and further comprises a corbel support which is constructed and poured at the same time as the B1 layer structure, and a corbel support pre-embedded plate is pre-embedded at one end face of the corbel support; a rib plate platform with a groove is welded on the corbel support pre-embedded plate, a clamping groove type loose joint is installed in the groove of the rib plate platform, a connecting support clamping groove is installed at the other end of the clamping groove type loose joint, a plurality of small-diameter support rods are installed at the other end of the connecting support clamping groove, a side wall inclined support is installed at the end of the last small-diameter support rod, and the other end of the side wall inclined support is welded and fixed on the side wall pre-embedded plate; a servo jack is further installed between the clamping groove type loose joint and the corbel support pre-embedded plate.

[0006] Further, the rib plate platform comprises two parallel arranged trapezoidal corbel rib plates, the trapezoidal corbel rib plates are welded on the corbel support pre-embedded plate, a box type panel is welded between the upper surfaces of the trapezoidal corbel rib plates, a corbel rib plate cover plate is welded between the box type panel and the trapezoidal corbel rib plates, and a steel plate groove is arranged in the box type panel.

[0007] Further, the clamping groove type adjustable head comprises a clamping groove steel plate inserted into the slot of the platform of the rib plate, and a force transmission plate of the adjustable head is vertically welded at the other end of the clamping groove steel plate, and three first connecting steel pipes are welded outside the force transmission plate.

[0008] Further, the connecting support clamping groove comprises three second connecting steel pipes inserted with the first connecting steel pipes, and the other end of the second connecting steel pipes is welded and fixed on one side of the first steel plate support, and three third connecting steel pipes for being inserted with the small-diameter support rods are welded and fixed on the other side of the first steel plate support.

[0009] Further, the small-diameter support rods are connected through the support rod butt joint support clamping groove, and the support rod butt joint support clamping groove comprises a second steel plate support, and three fourth connecting steel pipes and three fifth connecting steel pipes for being inserted with the small-diameter support rods are welded on the two sides of the second steel plate support.

[0010] Further, the side wall inclined support comprises a third steel plate support, three sixth connecting steel pipes are welded on one side of the third steel plate support, and three seventh connecting steel pipes are welded on the other side of the third steel plate support, and the other end of the seventh connecting steel pipes is in the form of an inclined opening, and the inclined opening end of the seventh connecting steel pipes is welded and connected with the side wall embedded plate.

[0011] Further, a set of connecting clamping ring reinforcing devices is arranged on the small-diameter support rod every 1000 mm, the connecting clamping ring reinforcing device comprises three outer clamping rings clamped on the surface of the small-diameter support rod, the outer clamping rings are connected through outer clamping ring connecting rods and outer clamping ring connecting bolts, and the connecting clamping ring reinforcing device further comprises three inner support rings clamped on the surface of the steel pipe of the small-diameter support rod, and the bottoms of the three inner support rings are connected through an inner support ring connecting bolt.

[0012] The present application has the following beneficial effects:

[0013] The small-diameter steel pipe clamping groove type connecting servo inclined throw support device of the present application replaces the traditional large-diameter steel pipe or I-beam with three small-diameter steel pipes, reduces the weight of a single component, can be installed manually without using a tower crane, reduces the installation difficulty and installation pressure of the tower crane of the negative first floor, realizes quick disassembly and assembly through the connection between the rods, the connection between the rods and the side wall, and the connection between the rods and the steel pipe clamping groove of the adjustable head, pre-loads the axial force through the servo jack, and then controls the axial force change of the rod in real time, so as to ensure the safety of the foundation pit. The small-diameter steel pipe clamping groove type connecting servo inclined throw support device of the present application can reduce the risk and installation difficulty in the installation process of the inclined throw support, reduce the use of materials, reduce the mechanical cost of installation, shorten the overall construction time, greatly enhance the safety of the foundation pit construction, and can be manually disassembled and assembled in sections, realize flexible turnover, save the tower crane installation, and save the overall construction period. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1Small diameter steel pipe slot type connection servo inclined throw support device profile schematic diagram;

[0015] Figure 2 Side wall pre-buried plate and side wall inclined support butt joint schematic diagram;

[0016] Figure 3 Corbel support, web platform, slot type loose joint, connecting support slot butt joint schematic diagram;

[0017] Figure 4 Small diameter support rod butt joint schematic diagram;

[0018] Figure 5 Connecting clasp ring reinforcing device installation schematic diagram.

[0019] In the figure: 1-B1 layer outer wall body; 2-B1 layer structure; 2-1-structure beam haunch; 2-2-B1 layer structure beam; 3-corbel support; 4-corbel support pre-buried plate; 5-side wall pre-buried plate; 5-1-steel plate; 5-2-steel bar; 6-side wall inclined support; 6-1-third steel plate support; 6-2-seventh connecting steel pipe; 6-3-sixth connecting steel pipe; 7-web platform; 7-1-trapezoidal corbel web; 7-2-corbel web plate; 7-3-box panel; 7-4-steel plate notch; 8-slot type loose joint; 8-1-slot steel plate; 8-2-loose joint force transmission plate; 8-3-first connecting steel pipe; 9-connecting support slot; 9-1-second connecting steel pipe; 9-2-first steel plate support; 9-3-third connecting steel pipe; 10-support rod butt joint support slot; 10-1-second steel plate support; 10-2-fourth connecting steel pipe; 10-3-fifth connecting steel pipe; 11-small diameter support rod; 12-connecting clasp ring reinforcing device; 12-1-outer clasp ring; 12-2-outer clasp ring connecting rod; 12-3-outer clasp ring connecting bolt; 12-4-inner support ring; 12-5-inner support ring connecting bolt; 13-servo jack. DETAILED DESCRIPTION

[0020] The application will be further described below in conjunction with the drawings and specific embodiments, but the protection scope of the application is not limited thereto.

[0021] As shown in the drawings, Figure 1 The small diameter steel pipe slot type connection servo inclined throw support device of the application, which comprises a servo jack 1, a corbel support 3, a corbel support pre-buried plate 4, a side wall pre-buried plate 5, a side wall inclined support 6, a web platform 7, a slot type loose joint 8, a connecting support slot 9, a support rod butt joint support slot 10, a small diameter support rod 11, and a connecting clasp ring reinforcing device 12.

[0022] As shown in the drawings, Figure 1 , 2As shown, the side wall pre-embedded plate 5 is arranged on the B1 layer outer wall body 1, and the side wall pre-embedded plate 5 is formed by a 400mm-long and 20mm-thick Q355 steel plate 5-1 and 9 C20 steel bars 5-2, and is positioned and pre-embedded and installed during the construction of the B1 layer outer wall body 1.

[0023] As shown in Figure 1 , 3 As shown, the corbel support 3 is a reinforced concrete structure, is constructed and poured at the same time as the B1 layer structure 2 (including the B1 layer structure beam 2-2 and the structure beam haunch 2-1), and is connected with each other; the side surface of the corbel support 3 is triangular, and the corbel support 3 is provided with a corbel support pre-embedded plate 4 at one end surface, and the corbel support pre-embedded plate 4 is the same as the side wall pre-embedded plate 5.

[0024] As shown in Figure 3 , the ribbed platform 7 is composed of two trapezoidal corbel ribbed plates 7-1, four corbel ribbed plate inlaid plates 7-2, and one box-shaped panel 7-3, wherein the two trapezoidal corbel ribbed plates 7-1 are arranged in parallel, and one end of each is welded to the corbel support pre-embedded plate 4, a box-shaped panel 7-3 is welded between the upper surfaces of the two trapezoidal corbel ribbed plates 7-1, and four corbel ribbed plate inlaid plates 7-2 are symmetrically welded between the box-shaped panel 7-3 and the trapezoidal corbel ribbed plates 7-1; the box-shaped panel 7-3 is provided with a steel plate notch 7-4.

[0025] As shown in Figure 3 , the clamping groove type loose joint 8 includes a clamping groove steel plate 8-1 inserted and installed in the steel plate notch 7-4 at one end, a loose joint force transmission plate 8-2 vertically welded to the other end of the clamping groove steel plate 8-1, and three first connecting steel pipes 8-3 with a length of 300mm, an inner diameter of 50mm, and a wall thickness of 4mm welded to the outer side of the loose joint force transmission plate 8-2.

[0026] As shown in Figure 3 , the connecting support clamping groove 9 includes three second connecting steel pipes 9-1 with a length of 300mm, an inner diameter of 60mm, and a wall thickness of 4mm, which are inserted and installed with the first connecting steel pipes 8-3; the other end of the second connecting steel pipes 9-1 is welded and fixed to one side of a circular first steel plate support 9-2, and three third connecting steel pipes 9-3 with a length of 100mm, an inner diameter of 60mm, and a wall thickness of 4mm are welded and fixed to the other side of the first steel plate support 9-2, and the third connecting steel pipes 9-3 are symmetrically arranged with the second connecting steel pipes 9-1.

[0027] As shown in Figure 3 , 4As shown, the other end of the third connecting steel pipe 9-3 is connected to a multi-section small-diameter support rod 11. Each section of the small-diameter support rod 11 consists of three steel pipes with a length of 3000mm, an inner diameter of 50mm, and a wall thickness of 4mm. The end of the last section of the small-diameter support rod 11 is connected to a side wall inclined support 6. In this embodiment, three sections of small-diameter support rod 11 are provided between the side wall inclined support 6 and the connecting support slot 9. Adjacent small-diameter support rods 11 are connected by support rod docking support slots 10. Support rod docking support slots 10 include a circular second steel plate support 10-1. Three fourth connecting steel pipes 10-2 and three fifth connecting steel pipes 10-3 are welded to both sides of the second steel plate support 10-1. The fourth connecting steel pipes 10-2 and the fifth connecting steel pipes 10-3 are symmetrically arranged and each has a length of 100mm, an inner diameter of 60mm, and a wall thickness of 4mm. When adjacent small-diameter support rods 11 are docked, the ends of the small-diameter support rods 11 are inserted into the fourth connecting steel pipes 10-2 and the fifth connecting steel pipes 10-3.

[0028] like Figure 2 As shown, the sidewall inclined support 6 includes a circular third steel plate support 6-1. Three sixth connecting steel pipes 6-3, each 100mm long, 60mm inner diameter, and 4mm wall thickness, are welded to one side of the third steel plate support 6-1. Three seventh connecting steel pipes 6-2, each 60mm inner diameter and 4mm wall thickness, are welded to the other side. The other end of each seventh connecting steel pipe 6-2 is beveled. The beveled end of the seventh connecting steel pipe 6-2 is fully welded to the sidewall embedded plate 5 along the outer ring of the interface. In this embodiment, each steel pipe and its corresponding steel plate support are fully welded along the outer ring of the interface.

[0029] To enhance the connection and force transmission stability between the steel pipes, a connecting shackle reinforcement device 12 is installed every 1000mm on the small-diameter support rod 11. For example... Figure 5 As shown, the connecting ring strengthening device 12 consists of three 5mm thick outer rings 12-1 with bolt holes at both ends, three 5mm thick outer ring connecting rods 12-2 with bolt holes at both ends, three outer ring connecting bolts 12-3, three 5mm thick inner support rings 12-4 with bolt holes at the bottom, and one inner support ring connecting bolt 12-5. The outer rings 12-1 are engaged with the steel pipe surface of the small-diameter support rod 11, and the outer rings 12-1 are connected to each other by the outer ring connecting rods 12-2 and the outer ring connecting bolts 12-3. The grooved part of the upper part of the inner support ring 12-4 is engaged with the steel pipe surface of the small-diameter support rod 11, and the bottoms of the three inner support rings 12-4 are connected by an inner support ring connecting bolt 12-5. The outer rings 12-1, outer ring connecting rods 12-2, and inner support rings 12-4 can strengthen the three steel pipes in the small-diameter support rod 11, preventing the steel pipes from bending during force transmission due to excessive rod length.

[0030] The servo jack 13 is installed between the universal joint transmission plate 8-2 and the corbel support embedded plate 4, and in actual construction, the servo jack 15 is used to apply axial force to push the universal joint transmission plate 8-2 and the second connecting steel pipe 9-1 to form force transmission and realize the supporting effect.

[0031] In the embodiment, the first steel plate support 9-2, the second steel plate support 10-1 and the third steel plate support 6-1 are all made of Q355 steel plates with a diameter of 300 mm and a thickness of 20 mm; the clamping groove steel plate 8-1 has a thickness of 10 mm; the universal joint transmission plate 8-2 has a thickness of 20 mm; and the box-type panel 7-3 has a length of 700 mm and a thickness of 10 mm.

[0032] The construction method of the small-diameter steel pipe clamping groove type connecting servo inclined support device provided by the application comprises the following processes:

[0033] When the B1 layer structure is poured and constructed, the corbel support 3 is synchronously poured and constructed, and the corbel support embedded plate 4 is pre-embedded; the box-type wall body 1 is back-constructed, and the side wall embedded plate 5 is pre-embedded at the same time; the rib plate platform 7 is welded to the corbel support embedded plate 4; the clamping groove type universal joint 8, the connecting support clamping groove 9, the support rod butt joint support clamping groove 10, the small-diameter support rod 11 and the side wall inclined support 6 are assembled; the side wall inclined support 6 is welded to the side wall embedded plate 5; the connecting clamping ring reinforcing device 12 is installed on the small-diameter support rod 11; the installation of the inclined support is completed, then the servo jack 13 is installed, the axial force is pre-applied, so that the inclined support device starts to work, and the axial force of the inclined support is monitored in real time and automatically adjusted during the construction process. After the inclined support is erected, the adjacent pit soil is excavated, and the first support in the pit is removed; after the negative one layer structure is constructed and reaches the design strength, the inclined support is removed.

[0034] The embodiment is a preferred embodiment of the application, but the application is not limited to the above-mentioned embodiment, and any obvious improvement, replacement or modification made by a person skilled in the art without departing from the essential content of the application is within the protection scope of the application.

Claims

1. A small diameter steel pipe snap groove type connection servo inclined throwing support device, characterized in that, The side wall pre-embedded plate (5) is pre-embedded in the B1 layer outer wall body (1), and the corbel support (3) is constructed and poured at the same time as the B1 layer structure (2), and the end face of the corbel support (3) is pre-embedded with a corbel support pre-embedded plate (4); the corbel support pre-embedded plate (4) is welded with a rib plate platform (7) with a notch, the notch of the rib plate platform (7) is inserted and installed with a clamping groove type loose joint (8), the other end of the clamping groove type loose joint (8) is inserted and installed with a connecting support clamping groove (9), the other end of the connecting support clamping groove (9) is inserted and installed with a plurality of small diameter support rods (11), the end of the last small diameter support rod (11) is inserted and installed with a side wall inclined support (6), and the other end of the side wall inclined support (6) is welded and fixed on the side wall pre-embedded plate (5); a servo jack (13) is further installed between the clamping groove type loose joint (8) and the corbel support pre-embedded plate (4). The rib plate platform (7) includes two parallel arranged trapezoidal corbel rib plates (7-1), the trapezoidal corbel rib plates (7-1) are welded on the corbel support pre-embedded plate (4), a box type panel (7-3) is welded between the upper surfaces of the trapezoidal corbel rib plates (7-1), and a corbel rib plate patch (7-2) is welded between the box type panel (7-3) and the trapezoidal corbel rib plates (7-1); and the box type panel (7-3) is provided with a steel plate notch (7-4).

2. The small diameter steel pipe snap groove connection servo inclined throw support device according to claim 1, characterized in that, The clamping groove type loose joint (8) includes a clamping groove steel plate (8-1) inserted and installed in the notch of the rib plate platform (7), a loose joint force transmission plate (8-2) is vertically welded at the other end of the clamping groove steel plate (8-1), and three first connecting steel pipes (8-3) are welded on the outer side of the loose joint force transmission plate (8-2).

3. The small diameter steel pipe snap groove connection servo inclined throw support device according to claim 2, characterized in that, The connecting support clamping groove (9) includes three second connecting steel pipes (9-1) inserted with the first connecting steel pipes (8-3), the other end of the second connecting steel pipes (9-1) is welded and fixed on one side of a first steel plate support (9-2), and three third connecting steel pipes (9-3) for being inserted with the small diameter support rods (11) are welded and fixed on the other side of the first steel plate support (9-2).

4. The small diameter steel pipe snap groove connection servo skewing bracing device according to claim 1, characterized in that, The small diameter support rods (11) are connected through support rod butt joint support clamping grooves (10), and the support rod butt joint support clamping grooves (10) include a second steel plate support (10-1), three fourth connecting steel pipes (10-2) and three fifth connecting steel pipes (10-3) for being inserted with the small diameter support rods (11) are welded on the two sides of the second steel plate support (10-1).

5. The small diameter steel pipe snap groove connection servo skewing bracing device according to claim 1, characterized in that, The side wall inclined support (6) includes a third steel plate support (6-1), three sixth connecting steel pipes (6-3) are welded on one side of the third steel plate support (6-1), three seventh connecting steel pipes (6-2) are welded on the other side of the third steel plate support (6-1), and the other end of the seventh connecting steel pipes (6-2) is an inclined end, and the inclined end of the seventh connecting steel pipes (6-2) is welded and connected with the side wall pre-embedded plate (5).

6. The small diameter steel pipe snap groove connection servo skewing bracing device according to claim 1, characterized in that, The small-diameter support rod (11) is provided with a set of connecting clasp ring reinforcing devices (12) every 1000 mm; the connecting clasp ring reinforcing device (12) comprises three outer clasp rings (12-1) clamped on the surface of the small-diameter support rod (11), the outer clasp rings (12-1) are connected through outer clasp ring connecting rods (12-2) and outer clasp ring connecting bolts (12-3); and the connecting clasp ring reinforcing device (12) further comprises three inner support rings (12-4) clamped on the surface of the steel pipe of the small-diameter support rod (11), the bottoms of the three inner support rings (12-4) are connected through an inner support ring connecting bolt (12-5).

Images