Reinforcement cage butt joint auxiliary positioning device and reinforcement cage

Abstract

The utility model provides a reinforcement cage butt joint auxiliary positioning device and a reinforcement cage, and belongs to the technical field of reinforcement cages, the reinforcement cage butt joint auxiliary positioning device comprises a first mounting seat, a plurality of first connecting pieces, a second mounting seat, a plurality of second connecting pieces and a plurality of fasteners; the first mounting seat is provided with a first flowing hole, a plurality of first limiting sleeves and a plurality of first connecting holes; the second mounting base is provided with a second flowing hole, a plurality of second limiting sleeves and a plurality of second connecting holes, and the first connecting pieces are arranged in the second connecting holes in a penetrating mode; the second connecting piece is arranged in the first connecting hole in a penetrating manner; and the fastener is used for fixedly connecting the first connecting piece to the second mounting seat and fixedly connecting the second connecting piece to the first mounting seat. According to the auxiliary positioning device for butt joint of the reinforcement cages, the first mounting base, the second mounting base and the two reinforcement cages form an integral structure through the first connecting piece, the second connecting piece and the fastening piece, and the connecting stability and the fixing effect of the two reinforcement cages are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel cage, and more specifically, relates to an auxiliary positioning device for steel cage butt joint and a steel cage. Background Technique

[0002] During the reconstruction and expansion of expressways, it is necessary to reconstruct the pile foundation steel cage to ensure the construction quality. The pile foundation steel cage is an important part of the pile foundation project, which is directly related to the bearing capacity and stability of the pile foundation; and it can also ensure the construction safety under the action of the pile foundation steel cage. When placing the steel cage into the pile hole, since the depth of the pile hole is much greater than the length of a single steel cage, it is necessary to continuously place multiple steel cages into the pile hole. To ensure the stable use of multiple steel cages, it is necessary to butt and fix two adjacent steel cages. Currently, the commonly used method for steel cage butt joint is to use nuts and wrenches to thread-fix the steel bars of two steel cages. In this butt joint method, the steel bars on the two steel cages are only connected one by one and cannot form an integral structure, resulting in insufficient connection stability between the two steel cages and poor fixing effect. Content of the Utility Model

[0003] The purpose of the utility model is to provide an auxiliary positioning device for steel cage butt joint and a steel cage, so as to solve the technical problems existing in the prior art that the steel bars on the two steel cages are only connected one by one and cannot form an integral structure, resulting in insufficient connection stability between the two steel cages and poor fixing effect.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: to provide an auxiliary positioning device for steel cage butt joint, including a first mounting seat, a plurality of first connecting members, a second mounting seat, a plurality of second connecting members and a plurality of fastening members;

[0005] The first mounting seat is used to be mounted on the lower steel cage; the first mounting seat is provided with a first flow hole for concrete flow, a plurality of first limiting sleeves arranged at intervals around the first flow hole, and a plurality of first connection holes located on the clockwise side of the first limiting sleeves;

[0006] The first connecting member corresponds to the plurality of first limiting sleeves one by one, and the first connecting member is located between the first connection hole and the first limiting sleeve;

[0007] The second mounting seat is used to be mounted on the upper steel cage; the second mounting seat is provided with a second flow hole for concrete flow, a plurality of second limiting sleeves arranged at intervals around the second flow hole, and a plurality of second connection holes located on the counterclockwise side of the second limiting sleeves; the first connecting member is used to pass through the second connection hole;

[0008] The second connecting member corresponds to the plurality of second limiting sleeves one by one, and the second connecting member is located between the second connecting hole and the second limiting sleeve; the second connecting member is used to pass through the first connecting hole;

[0009] The fastener is used to fixedly connect the first connecting member to the second mounting seat and fixedly connect the second connecting member to the first mounting seat.

[0010] In a possible implementation manner, both the first mounting seat and the second mounting seat are annular structures; the first flow hole and the second flow hole are the inner rings of the annular structures.

[0011] In a possible implementation manner, the plurality of first connecting holes, the plurality of first connecting members and the plurality of first limiting sleeves are arranged at equal intervals; the plurality of second connecting holes, the plurality of second connecting members and the plurality of second limiting sleeves are arranged at equal intervals.

[0012] In a possible implementation manner, both the first connecting member and the second connecting member are screw rods, both the first connecting hole and the second connecting hole are through holes, and the fastener is a nut and a spring washer installed on the screw rod.

[0013] In a possible implementation manner, the first mounting seat is provided with a mounting hole communicating with the first limiting sleeve, and the second mounting seat is provided with a mounting hole communicating with the second limiting sleeve.

[0014] In a possible implementation manner, reinforcing rib plates for increasing the strength of the first mounting seat and the second mounting seat are provided in both the first flow hole and the second flow hole.

[0015] In a possible implementation manner, the steel bars on the lower reinforcement cage pass through the corresponding first limiting sleeves, and the upper ends of the steel bars are located above the first limiting sleeves; the steel bars on the upper reinforcement cage pass through the corresponding second limiting sleeves, and the lower ends of the steel bars are located below the second limiting sleeves; the steel bars on the reinforcement cage are used to be welded and fixed to the first limiting sleeve and the second limiting sleeve, and the steel bars of the upper reinforcement cage and the corresponding steel bars of the lower reinforcement cage are butted up and welded and fixed vertically.

[0016] In a possible implementation manner, grouting holes are provided on one side of the first limiting sleeve close to the first flow hole and on one side of the second limiting sleeve close to the second flow hole.

[0017] In a possible implementation, a plurality of first card slots arranged circumferentially are provided on the outer side surface of the first mounting base, and a plurality of second card slots arranged circumferentially are provided on the outer side surface of the first mounting base; the steel cage docking auxiliary positioning device further includes an annular plate, and clamping blocks that are engaged with the second card slots and the first card slots are provided at both the upper and lower ends of the side surface of the annular plate.

[0018] The beneficial effect of the steel cage docking auxiliary positioning device provided by the present utility model is as follows: Compared with the prior art, when the steel cage docking auxiliary positioning device of the present utility model is used, first, the first mounting base is installed on the lower steel cage, and the steel bars on the lower steel cage pass through the first limiting sleeve, and the steel bars are pre-welded to the first limiting sleeve; the second mounting base is installed on the upper steel cage, and the steel bars on the upper steel cage pass through the second limiting sleeve, and the steel bars are pre-welded to the second limiting sleeve; the upper steel cage is docked downward onto the lower steel cage, and the corresponding steel bars in the upper and lower steel cages are docked, and the first connecting member penetrates into the second connecting hole on the second mounting base, and the second connecting member penetrates into the first connecting hole on the first mounting base; then the docked upper and lower steel bars are spot-welded, and fasteners are used to install on the first connecting member to fixedly connect the second mounting base, and fasteners are used to install on the second connecting member to fixedly connect the first mounting base; in this way, with the aid of a plurality of first limiting sleeves on the first mounting base and a plurality of second limiting sleeves on the second mounting base, a plurality of steel bars on the steel cage are limited and connected into one body, and the first mounting base, the second mounting base, and the two steel cages are formed into a whole structure by using the first connecting member, the second connecting member, and the fasteners, improving the connection stability and fixing effect of the two steel cages.

[0019] Another object of the present utility model is to provide a steel cage, including the steel cage docking auxiliary positioning device according to any one of the above.

[0020] For the steel cage provided by the present utility model, due to the adoption of the steel cage docking auxiliary positioning device, therefore, with the aid of a plurality of first limiting sleeves on the first mounting base and a plurality of second limiting sleeves on the second mounting base, a plurality of steel bars on the steel cage are limited and connected into one body, and the first mounting base, the second mounting base, and the two steel cages are formed into a whole structure by using the first connecting member, the second connecting member, and the fasteners, improving the connection stability and fixing effect of the two steel cages. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 Structural schematic diagram of the first mounting base provided by the embodiment of the present utility model Figure 1 ;

[0023] Figure 2 Structural schematic diagram of the first mounting base provided by the embodiment of the present utility model Figure 2 ;

[0024] Figure 3 Bottom view of the first mounting base provided by the embodiment of the present utility model;

[0025] Figure 4 Cross-sectional view of the first mounting base provided by the embodiment of the present utility model;

[0026] Figure 5 Structural schematic diagram of the second mounting base provided by the embodiment of the present utility model;

[0027] Figure 6 Schematic diagram of the use state of the auxiliary positioning device for the butt joint of the steel reinforcement cage provided by the embodiment of the present utility model;

[0028] Figure 7 Schematic diagram of the use state of the auxiliary positioning device for the butt joint of the steel reinforcement cage with an annular plate provided by the embodiment of the present utility model.

[0029] Among them, the reference numerals in the figures:

[0030] 1. First mounting base; 11. First flow hole; 12. First limiting sleeve; 13. First connection hole; 14. Mounting hole; 15. Reinforcing rib plate; 16. First card slot; 2. First connecting piece; 3. Second mounting base; 31. Second flow hole; 32. Second limiting sleeve; 33. Second connection hole; 34. Grouting hole; 35. Second card slot; 4. Second connecting piece; 5. Fastening piece; 6. Annular plate; 7. Steel bar. Specific embodiments

[0031] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0033] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0034] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0035] Please refer to Figures 1 to 7 , and now the auxiliary positioning device for the butt joint of the steel reinforcement cage provided by the present invention will be described. An auxiliary positioning device for the butt joint of a steel reinforcement cage includes a first mounting seat 1, a plurality of first connecting members 2, a second mounting seat 3, a plurality of second connecting members 4, and a plurality of fasteners 5; the first mounting seat 1 is used to be mounted on the lower steel reinforcement cage; the first mounting seat 1 is provided with a first flow hole 11 for the flow of concrete, a plurality of first limiting sleeves 12 arranged at intervals around the first flow hole 11, and a plurality of first connecting holes 13 located on the clockwise side of the first limiting sleeves 12; the first connecting members 2 correspond to the plurality of first limiting sleeves 12 one by one, and the first connecting members 2 are located between the first connecting holes 13 and the first limiting sleeves 12; the second mounting seat 3 is used to be mounted on the upper steel reinforcement cage; the second mounting seat 3 is provided with a second flow hole 31 for the flow of concrete, a plurality of second limiting sleeves 32 arranged at intervals around the second flow hole 31, and a plurality of second connecting holes 33 located on the counterclockwise side of the second limiting sleeves 32; the first connecting members 2 are used to pass through the second connecting holes 33; the second connecting members 4 correspond to the plurality of second limiting sleeves 32 one by one, and the second connecting members 4 are located between the second connecting holes 33 and the second limiting sleeves 32; the second connecting members 4 are used to pass through the first connecting holes 13; the fasteners 5 are used to fixedly connect the first connecting members 2 to the second mounting seat 3 and fixedly connect the second connecting members 4 to the first mounting seat 1.

[0036] The auxiliary positioning device for the butt joint of the steel cage provided by the utility model, compared with the prior art, during use, first install the first mounting seat 1 on the lower steel cage, and the steel bars 7 on the lower steel cage pass through the first limiting sleeve 12, and the steel bar 7 and the first limiting sleeve 12 are pre-welded; install the second mounting seat 3 on the upper steel cage, and the steel bars 7 on the upper steel cage pass through the second limiting sleeve 32, and the steel bar 7 and the second limiting sleeve 32 are pre-welded; butt the upper steel cage against the lower steel cage from top to bottom, the corresponding steel bars 7 in the upper and lower steel cages are butted, and the first connecting member 2 passes through the second connecting hole 33 on the second mounting seat 3, and the second connecting member 4 passes through the first connecting hole 13 on the first mounting seat 1; then weld the butted upper and lower steel bars 7 spot, and install the fastener 5 on the first connecting member 2 to fixedly connect the second mounting seat 3, and install the fastener 5 on the second connecting member 4 to fixedly connect the first mounting seat 1; in this way, with the help of the multiple first limiting sleeves 12 on the first mounting seat 1 and the multiple second limiting sleeves 32 on the second mounting seat 3, the multiple steel bars 7 on the steel cage are limited and connected into one body, and the first connecting member 2, the second connecting member 4 and the fastener 5 are used to form an integral structure of the first mounting seat 1, the second mounting seat 3 and the two steel cages, improving the connection stability and fixing effect of the two steel cages.

[0037] Please refer to Figures 1 to 5 , as a specific embodiment of the auxiliary positioning device for the butt joint of the steel cage provided by the utility model, both the first mounting seat 1 and the second mounting seat 3 are annular structures; the first flow hole 11 and the second flow hole 31 are the inner rings of the annular structures; the annular first mounting seat 1 and the first flow hole 11 and the second flow hole 31 in the first mounting seat 1 are larger in size, facilitating the flow of concrete. And the first connecting hole 13 and the second connecting hole 33 are opened on the annular first mounting seat 1 and the second mounting seat 3 and are fitted and installed with the steel cage on the steel cage.

[0038] Preferably, the multiple first connecting holes 13, the multiple first connecting members 2 and the multiple first limiting sleeves 12 are arranged at equal intervals; the multiple second connecting holes 33, the multiple second connecting members 4 and the multiple second limiting sleeves 32 are arranged at equal intervals; making the installation force of the steel cage uniform and having a higher stability.

[0039] Please refer to Figures 1 to 7, as a specific embodiment of the auxiliary positioning device for the butt joint of the steel reinforcement cage provided by the present utility model, the first connecting member 2 and the second connecting member 4 are both screw rods, the first connecting hole 13 and the second connecting hole 33 are both through holes, and the fastener 5 is a nut and a spring washer installed on the screw rod; that is, the screw rod serving as the first connecting member 2 passes through the second connecting hole 33 on the second mounting seat 3, and the screw rod serving as the second connecting member 4 passes through the first connecting hole 13 on the first mounting seat 1, then a spring washer is sleeved on the first connecting member 2 and the second connecting member 4, and then a nut is used to lock and install the first connecting member 2 and the second connecting member 4 on the second mounting seat 3 and the first mounting seat 1.

[0040] Please refer to Figure 2 and Figure 3 , as a specific embodiment of the auxiliary positioning device for the butt joint of the steel reinforcement cage provided by the present utility model, the first mounting seat 1 is provided with a mounting hole 14 communicating with the first limiting sleeve 12, and the second mounting seat 3 is provided with a mounting hole 14 communicating with the second limiting sleeve 32; the arrangement of the mounting hole 14 enables the steel bars 7 on the lower steel reinforcement cage to smoothly pass through the first limiting sleeve 12 and the first mounting seat 1 and approach the upper steel reinforcement cage. Similarly, the arrangement of the mounting hole 14 enables the steel bars 7 on the upper steel reinforcement cage to smoothly pass through the second limiting sleeve 32 and the second mounting seat 3 and approach the lower steel reinforcement cage, so as to fixedly connect the upper and lower steel reinforcement cages.

[0041] Please refer to Figure 3 , as a specific embodiment of the auxiliary positioning device for the butt joint of the steel reinforcement cage provided by the present utility model, reinforcing rib plates 15 for increasing the strength of the first mounting seat 1 and the second mounting seat 3 are arranged in both the first flow hole 11 and the second flow hole 31; the reinforcing rib plates 15 are installed in the first flow hole 11 of the first mounting seat 1 and the second flow hole 31 of the second mounting seat 3, and both ends of the reinforcing rib plates 15 are welded and fixed to the inner walls of the first flow hole 11 and the second flow hole 31. The width of the reinforcing rib plates 15 is less than one-tenth of the inner diameter of the first flow hole 11 and the second flow hole 31.

[0042] Please refer to Figures 1 to 6, as a specific implementation of the auxiliary positioning device for the butt joint of the steel cage provided by the present utility model, the steel bar 7 on the lower steel cage penetrates through the corresponding first limiting sleeve 12, and the upper end of the steel bar 7 is located above the first limiting sleeve 12; the steel bar 7 on the upper steel cage penetrates through the corresponding second limiting sleeve 32, and the lower end of the steel bar 7 is located below the second limiting sleeve 32; the steel bar 7 on the steel cage is used for welding and fixing with the first limiting sleeve 12 and the second limiting sleeve 32, and the steel bar 7 of the upper steel cage and the corresponding steel bar 7 of the lower steel cage are butted and welded vertically; that is, when the two steel cages are butted, after the upper and lower corresponding steel bars 7 pass through the first limiting sleeve 12 and the second limiting sleeve 32, the steel bar 7 is first welded and fixed with the first limiting sleeve 12 and the second limiting sleeve 32, then the upper and lower two steel bars 7 are butted and welded, and finally the first mounting seat 1 and the second mounting seat 3 are fixed into one body by using the fasteners 5, a plurality of first connecting members 2 and a plurality of second connecting members 4, so that the two steel cages are firmly fixedly connected.

[0043] Please refer to Figures 1 to 5 , as a specific implementation of the auxiliary positioning device for the butt joint of the steel cage provided by the present utility model, a grouting hole 34 is provided on one side of the first limiting sleeve 12 close to the first flow hole 11 and on one side of the second limiting sleeve 32 close to the second flow hole 31; after the two steel cages are butted and fixedly connected together, the combined steel cage is poured together with the concrete, and the concrete and the like pass through the grouting hole 34 and enter the inside of the first limiting sleeve 12, so as to further integrate the steel bar 7 in the steel cage with the concrete. A plurality of grouting holes 34 are provided on both the first limiting sleeve 12 and the second limiting sleeve 32.

[0044] Please refer to Figure 6 and Figure 7 , as a specific implementation of the auxiliary positioning device for the butt joint of the steel cage provided by the present utility model, a plurality of first clamping grooves 16 arranged circumferentially are provided on the outer side surface of the first mounting seat 1, and a plurality of second clamping grooves 35 arranged circumferentially are provided on the outer side surface of the first mounting seat 1; the auxiliary positioning device for the butt joint of the steel cage further includes an annular plate 6, and clamping blocks that are clamped with the second clamping grooves 35 and the first clamping grooves 16 are provided at the upper and lower ends of the side surface of the annular plate 6; after the two steel cages are butted and the first connecting member 2 and the second connecting member 4 are fixed on the second mounting seat 3 and the second mounting seat 3 by using the fasteners 5, the annular plate 6 is used to enclose the space between the first mounting seat 1 and the second mounting seat 3, and the clamping blocks on the annular plate 6 are clamped into the clamping grooves on the first mounting seat 1 and the second mounting seat 3, so as to prevent the butt joint position of the two steel cages from being damaged by impact.

[0045] Not shown in the figure, the embodiment of the present utility model further provides a steel cage, and the steel cage includes the auxiliary positioning device for the butt joint of the steel cage as described in any one of the above.

[0046] The steel cage provided by the utility model adopts the above-mentioned auxiliary positioning device for butt-joint of steel cages. Therefore, a plurality of steel bars 7 on the steel cage are limited and connected into a whole by a plurality of first limiting sleeves 12 on the first mounting seat 1 and a plurality of second limiting sleeves 32 on the second mounting seat 3, and the first mounting seat 1, the second mounting seat 3 and two steel cages are formed into a whole structure by using the first connecting piece 2, the second connecting piece 4 and the fastening piece 5, which improves the connection stability and fixing effect of the two steel cages.

[0047] The above are only the preferred embodiments of the utility model and are not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An auxiliary positioning device for the butt joint of a steel reinforcement cage, characterized in that, It includes a first mounting base, a plurality of first connecting members, a second mounting base, a plurality of second connecting members and a plurality of fasteners; The first mounting base is used to be mounted on the lower steel reinforcement cage; the first mounting base is provided with a first flow hole for the flow of concrete, a plurality of first limiting sleeves arranged at intervals around the first flow hole, and a plurality of first connecting holes located on the clockwise side of the first limiting sleeves; The first connecting members correspond to the plurality of first limiting sleeves one by one, and the first connecting members are located between the first connecting holes and the first limiting sleeves; The second mounting base is used to be mounted on the upper steel reinforcement cage; the second mounting base is provided with a second flow hole for the flow of concrete, a plurality of second limiting sleeves arranged at intervals around the second flow hole, and a plurality of second connecting holes located on the counterclockwise side of the second limiting sleeves; the first connecting members are used to pass through the second connecting holes; The second connecting members correspond to the plurality of second limiting sleeves one by one, and the second connecting members are located between the second connecting holes and the second limiting sleeves; the second connecting members are used to pass through the first connecting holes; The fasteners are used to fixedly connect the first connecting members to the second mounting base and fixedly connect the second connecting members to the first mounting base.

2. The auxiliary positioning device for butt joint of steel reinforcement cage according to claim 1, characterized in that, Both the first mounting base and the second mounting base are annular structures; the first flow hole and the second flow hole are the inner rings of the annular structures.

3. The auxiliary positioning device for butt-joint of steel reinforcement cages according to claim 2, characterized in that, The plurality of first connecting holes, the plurality of first connecting members and the plurality of first limiting sleeves are arranged at uniform intervals; the plurality of second connecting holes, the plurality of second connecting members and the plurality of second limiting sleeves are arranged at uniform intervals.

4. The auxiliary positioning device for the butt joint of the steel reinforcement cage according to claim 1, characterized in that, Both the first connecting members and the second connecting members are screw rods, both the first connecting holes and the second connecting holes are through holes, and the fasteners are nuts and spring washers installed on the screw rods.

5. The auxiliary positioning device for butt-joint of steel reinforcement cages according to claim 1, wherein, The first mounting base is provided with mounting holes communicating with the first limiting sleeves, and the second mounting base is provided with mounting holes communicating with the second limiting sleeves.

6. The auxiliary positioning device for butt joint of steel reinforcement cages according to claim 1, characterized in that Reinforcing rib plates for increasing the strength of the first mounting base and the second mounting base are arranged in both the first flow hole and the second flow hole.

7. The auxiliary positioning device for butt joint of steel reinforcement cage according to claim 1, characterized in that, The steel bars on the lower steel reinforcement cage pass through the corresponding first limiting sleeves, and the upper ends of the steel bars are located above the first limiting sleeves; the steel bars on the upper steel reinforcement cage pass through the corresponding second limiting sleeves, and the lower ends of the steel bars are located below the second limiting sleeves; the steel bars on the steel reinforcement cage are used to be welded and fixed to the first limiting sleeves and the second limiting sleeves, and the steel bars of the upper steel reinforcement cage are vertically butted and welded and fixed to the corresponding steel bars of the lower steel reinforcement cage.

8. The auxiliary positioning device for butt-joint of steel reinforcement cages according to claim 7, wherein, Grouting holes are arranged on one side of the first limiting sleeve close to the first flow hole and one side of the second limiting sleeve close to the second flow hole.

9. The auxiliary positioning device for butt joint of steel reinforcement cage according to claim 1, characterized in that, A plurality of first clamping grooves arranged circumferentially are provided on the outer side surface of the first mounting seat, and a plurality of second clamping grooves arranged circumferentially are provided on the outer side surface of the first mounting seat; the auxiliary positioning device for reinforcing cage butt joint further includes an annular plate, and clamping blocks that are clamped with the second clamping grooves and the first clamping grooves are provided at both the upper and lower ends of the side surface of the annular plate.

10. A steel reinforcement cage, characterized in that, It includes the auxiliary positioning device for reinforcing cage butt joint according to any one of claims 1-9.

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