Binding clamp for steel bars of top cap of bridge pier

Abstract

The utility model belongs to the field of bridge pier construction, and particularly relates to a bridge pier top cap steel bar binding clamp which comprises a support structure, an upper positioning piece and a lower positioning piece. The support structure comprises four middle supports, two end supports and longitudinal beams used for being connected with the middle supports. The longitudinal beams are installed on the common side of the four middle supports. An upper mounting piece is arranged at the top end of the middle support, and a supporting block and a middle supporting column capable of stretching inwards are arranged on the middle support; the upper positioning sheet is detachably mounted on the upper mounting sheet, and the lower positioning sheet is detachably mounted on the middle supporting column; an upper mounting plate is arranged at the top end of the end support, and an end supporting column capable of horizontally stretching inwards is arranged in the middle of the end support. The longitudinal end part of the upper positioning sheet is placed on the upper mounting plate, and the longitudinal end part of the lower positioning sheet is placed on the end supporting column; according to the steel bar binding device, the distance between steel bars can be accurately controlled, the binding quality is guaranteed, and the binding efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge pier construction, and in particular relates to a bridge pier top cap steel bar binding fixture. Background Art

[0002] At present, during the construction of the bridge top cap, the top cap steel bars are first tied on the ground, and then the top cap steel bars are hoisted and placed in the top cap formwork set on the top of the pier column, and finally the concrete is poured. The commonly used pier cap binding jig is a steel pipe bracket built on site, and the transverse steel pipe is fixed with a lock at the position corresponding to each layer of steel bars on the steel bar bracket to support each layer of steel bars. After the top cap steel bars are tied and hoisted, each layer of transverse steel bars needs to be removed from the steel pipe bracket, and the process is cumbersome. In addition, when using this steel pipe bracket as a top cap steel bar binding jig, the spacing control of the steel bars during binding depends on the workers' visual inspection or measurement with a ruler, which is prone to errors and inefficient.

[0003] Therefore, it is necessary to provide an improved technical solution to address the above-mentioned deficiencies in the prior art. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a pier top cap reinforcement binding fixture, which is convenient for preparation before hoisting and can accurately locate the binding position of the reinforcement.

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

[0006] A pier cap steel bar binding fixture comprises a support structure, an upper positioning piece arranged on the top of the support structure, and a lower positioning piece arranged in the middle of the support structure; the upper positioning piece and the lower positioning piece are provided with steel bar positioning grooves for locating the position of the steel bars;

[0007] The support structure includes four intermediate supports, two end supports and longitudinal beams for connecting the intermediate supports; the four intermediate supports are aligned in the longitudinal direction, and the end supports are detachably connected to the intermediate supports located on both sides; the longitudinal beams are installed on the common side of the four intermediate supports;

[0008] An upper mounting plate is provided at the top of the intermediate bracket, and support blocks corresponding to the position of each layer of steel bars are provided on both sides of the intermediate bracket, and the support blocks are used to place transverse support rods; an intermediate support column that can be horizontally telescopic inward is provided in the middle of the other side of the intermediate bracket; an upper mounting plate is provided at the top of the end bracket, and an end support column that can be horizontally telescopic inward is provided in the middle of the end bracket, and the end support column is flush with the upper end of the intermediate support column; the part of the upper positioning plate corresponding to the intermediate bracket can be detachably mounted on the upper mounting plate, and the part corresponding to the end bracket is placed on the upper mounting plate; the part of the lower positioning plate corresponding to the intermediate bracket can be detachably mounted on the intermediate support column, and the part corresponding to the end bracket is placed on the end support column.

[0009] Furthermore, mounting holes are provided on the upper mounting piece and the upper mounting plate, and the upper positioning piece and the lower positioning piece are respectively threadedly connected to the corresponding mounting holes through bolts.

[0010] Furthermore, the lower positioning piece is spliced ​​by a first arc-shaped portion, a second arc-shaped portion and at least two straight portions, and the first arc-shaped portion and the straight portions, and the second arc-shaped portion and the straight portions are fixed by a clip assembly, and the clip assembly includes an upper clip pressed against the upper side of the lower positioning piece, a lower clip pressed against the lower side of the lower positioning piece, and a locking member that passes through and connects the upper clip and the lower clip.

[0011] Furthermore, a concave-convex fitting splicing structure is provided at the joints between the first arc-shaped portion and the straight portion, and at the joints between the second arc-shaped portion and the straight portion.

[0012] Furthermore, the intermediate bracket includes a bottom rod, vertical rods fixed at both ends of the bottom rod, and a support groove installed in the middle of the vertical rod; the intermediate support column is fixed in the support groove by bolts.

[0013] Furthermore, a plurality of support column positioning holes are equidistantly arranged on the outer side or bottom surface of the middle support column, and slot holes corresponding to the support column positioning holes are arranged on the outer side or bottom surface of the support groove.

[0014] Furthermore, a reinforcing diagonal rod is obliquely fixed between the bottom rod and the vertical rod, and a reinforcing cross rod is fixed between the two vertical rods.

[0015] Furthermore, the end bracket includes a short rod arranged horizontally, a vertical rod vertically fixed to one end of the short rod, and an end support tube horizontally fixed to the middle of the vertical rod, and the end support column is arranged in the end support tube.

[0016] Furthermore, the end support column is inserted into or threadedly passes through the end support tube.

[0017] Furthermore, the short rod is made of square tube or H-shaped steel, and one end of the short rod without the vertical rod is detachably connected to the middle bracket through a pipe connector.

[0018] The beneficial effects of the utility model are:

[0019] The pier cap steel bar binding fixture of the present invention can achieve accurate control of the spacing between steel bars by arranging upper and lower positioning plates, thereby ensuring binding quality and improving binding efficiency. When the present invention is in use, transverse struts are placed on the support blocks to achieve effective support for each layer of steel bars. Before lifting, the transverse struts can be conveniently and quickly pulled out, which can improve work efficiency to a certain extent. In addition, the detachable connection between the intermediate bracket, the end bracket and the longitudinal beam is convenient for dismantling the present invention after use or when it is transferred, thus saving storage or transportation space. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation on the present invention. Among them:

[0021] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0022] Figure 2 This is a schematic diagram of the installation of the upper positioning piece of the embodiment of the utility model.

[0023] Figure 3 This is a schematic diagram of the installation of the lower positioning piece of the embodiment of the utility model.

[0024] Figure 4 It is a structural schematic diagram of the splicing structure of an embodiment of the utility model.

[0025] Figure 5 It is a structural schematic diagram of the support structure of an embodiment of the utility model.

[0026] Figure 6 It is a schematic diagram of the connection between the end bracket and the middle bracket of an embodiment of the utility model.

[0027] Figure 7 It is a schematic structural diagram of the intermediate bracket of an embodiment of the utility model.

[0028] In the figure: 1-bottom rod, 11-vertical rod, 12-support block, 13-upper mounting plate, 14-reinforced diagonal rod, 15-reinforced cross rod, 16-support groove, 161-support column positioning hole, 17-middle support column, 18-slot bolt, 21-short rod, 22-vertical rod, 23-end support tube, 24-end support column, 25-upper mounting plate, 26-top middle block, 27-connecting plate, 31-lower longitudinal beam, 32-upper longitudinal beam, 41-bend positioning part, 42-horizontal positioning part, 51-first arc portion, 52-straight portion, 53-second arc portion, 54-joining structure, 55-upper clamp. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the protection scope of the present invention.

[0030] In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. The terms "connected" and "connection" used in the present invention should be understood in a broad sense. For example, they can be fixed connections or detachable connections; they can be directly connected or indirectly connected through intermediate components. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0032] like Figures 1 to 7 As shown, a pier top cap steel bar binding fixture comprises a detachable support structure, an upper positioning piece arranged on the top of the support structure, and a lower positioning piece arranged in the middle of the support structure; the upper positioning piece and the lower positioning piece are provided with steel bar positioning grooves for locating the positions of the steel bars, and the spacing of the steel bar positioning grooves corresponds to the design drawing of the top cap steel bars;

[0033] The support structure includes four intermediate supports, two end supports and longitudinal beams for connecting the intermediate supports; the four intermediate supports are aligned in the longitudinal direction; at least one longitudinal beam is arranged on each side of the structure composed of the four intermediate supports, preferably, an upper longitudinal beam 32 and a lower longitudinal beam 31 are respectively installed on each side, and a total of two longitudinal beams, the upper longitudinal beam 32 and the lower longitudinal beam 31 can be connected to the intermediate supports through pipe connectors in the prior art, so as to facilitate subsequent removal and recycling for turnover; the end supports are detachably connected to the intermediate supports located on both sides, so as to facilitate removal when storage is required;

[0034] An upper mounting plate 13 is welded to the top of the intermediate bracket, and the outer side of the upper mounting plate 13 preferably does not exceed the outer side of the vertical pole 11; a plurality of support blocks 12 corresponding to the position of each layer of steel bars are arranged on both sides of the intermediate bracket, and the support blocks 12 on both sides are horizontally aligned, and the support blocks 12 are used to place transverse braces, which can be made of local materials such as square tubes, square steels, round tubes, I-shaped steels, aluminum profiles, etc., as long as they can be erected on the support blocks 12 on both sides of each intermediate bracket; an intermediate support column 17 that can be horizontally telescopic inward is arranged in the middle of the intermediate bracket, and the intermediate support column 17 and the support blocks 12 are arranged on opposite sides of the intermediate bracket;

[0035] An upper mounting plate 25 is welded at the top end of the end bracket, and the upper mounting plate 25 is flush with the upper mounting piece 13 to facilitate the placement of the upper positioning piece; an end support column 24 which can be horizontally extended and retracted inward is provided in the middle of the end bracket, and the end support column 24 is flush with the upper end of the intermediate support column 17 to facilitate the placement of the lower positioning piece; the part of the upper positioning piece corresponding to the intermediate bracket can be detachably mounted on the upper mounting plate 13, and the part corresponding to the end bracket is placed on the upper mounting plate 25; the part of the lower positioning piece corresponding to the intermediate bracket can be detachably mounted on the intermediate support column 17, and the part corresponding to the end bracket is placed on the end support column 24; the upper positioning piece and the lower positioning piece are customized as needed and installed on the bracket structure for use.

[0036] Generally speaking, if Figure 2 As shown, the upper mounting piece 13 is composed of a U-shaped bent positioning portion 41 plus a straight horizontal positioning portion 42. The straight portion 52 of the bent positioning portion 41 can be installed on the upper mounting piece 13 by bolt installation, spot welding, horizontal plug-in, etc., and the two ends of the horizontal positioning portion 42 are fixed on the upper mounting piece 13 of the vertical pole 11 near the middle; because the straight portion 52 of the bent positioning portion 41 has been fixed, the utility model provides an upper mounting plate 25 for supporting at the bent section of the bent positioning portion 41 to prevent the bent section of the bent positioning portion 41 from deflecting downward due to its own weight; preferably, a mounting hole is provided in the upper mounting piece 13, the mounting hole has an internal thread or a threaded bushing is provided therein, a circular hole is provided at a position corresponding to the mounting hole on the bent positioning portion 41, and then a bolt is used to penetrate the circular hole and is threadedly connected to the mounting hole; as shown Figure 3 As shown, the lower positioning piece is usually elliptical, and is fixed in the same way as the upper positioning piece. The middle part of the lower positioning piece is fixed to the middle support column 17 by bolts, and the longitudinal ends of the lower positioning piece are only placed on the end support columns 24 to provide support for the longitudinal ends of the lower positioning piece. By arranging the end brackets, effective support for the longitudinal ends of the upper and lower positioning pieces can be achieved with the least possible use of materials.

[0037] like Figure 3 As shown, the lower positioning piece is spliced ​​by a first arc portion 51, a second arc portion 53 and at least two straight portions 52, and the first arc portion 51 and the straight portion 52, as well as the second arc portion 53 and the straight portion 52 are fixed by a clip assembly, and the clip assembly includes an upper clip 55 pressed against the upper side of the lower positioning piece, a lower clip pressed against the lower side of the lower positioning piece, and a locking member that passes through and connects the upper clip 55 and the lower clip, and the locking member is a bolt that passes through the upper clip 55, the lower clip and the lower positioning piece and a matching nut; for pier cap steel bar designs of different sizes, the size of the lower positioning piece may change, but the straight portion 52 may be the same and can be reused. By setting a split lower positioning piece, it is convenient to disassemble and store it when not in use, and the linear portion 52 of the lower positioning piece can be reused.

[0038] Preferably, Figure 4 As shown, the joints of the first arc portion 51 and the straight portion 52, and the joints of the second arc portion 53 and the straight portion 52 are provided with concave-convex matching splicing structures 54. For example, a protruding piece is provided at the end of the first arc portion 51, and a notch corresponding to the protruding piece is provided at the end of the straight portion 52. When docking, the protruding piece is inserted into the notch, which facilitates the quick alignment of the first arc portion 51 and the straight portion 52 in the longitudinal and transverse directions to prevent misalignment.

[0039] Further, such as Figures 5 to 7 As shown, the intermediate bracket includes a bottom rod 1, vertical rods 11 vertically fixed at both ends of the bottom rod 1, and a support groove 16 installed in the middle of the vertical rod 11; the intermediate support column 17 is fixed in the support groove 16 by bolts; by changing the length of the intermediate support column 17 extending inward, the support of lower positioning plates of different sizes can be achieved; the change of the length of the intermediate support column 17 can be achieved by replacing the intermediate support column 17 of different lengths or changing the installation position of the intermediate support column 17 in the support groove 16; in one embodiment, the intermediate support column 17 adopts a square tube, and a plurality of support column positioning holes 161 are equidistantly arranged on the outer side or bottom surface of the intermediate support column 17, and the support column positioning holes 161 are provided with internal threads or threaded bushings, and the outer side or bottom surface of the support groove 16 is provided with slot holes corresponding to the support column positioning holes 161, and the extension length of the intermediate support column 17 can be changed and installed by the slot bolts 18 passing through the support column positioning holes 161 and the slot holes.

[0040] Further, such as Figures 5 to 7 As shown, a reinforcing diagonal rod 14 is obliquely fixed between the bottom rod 1 and the vertical rod 11, and a reinforcing cross rod 15 is fixed between the two vertical rods 11 to increase the strength of a single intermediate bracket.

[0041] Furthermore, the end bracket includes a horizontally arranged short rod 21, a vertical rod 22 vertically fixed at one end of the short rod 21, and an end support tube 23 horizontally fixed in the middle of the vertical rod 22, and the end support column 24 is arranged in the end support tube 23; the end support column 24 is inserted in the end support tube 23, that is, the end support column 24 and the end support tube 23 form a form similar to a sleeve telescopic rod, or the end support column 24 adopts threaded steel or screw, the end support tube 23 adopts a threaded sleeve, and the end support column 24 is threaded through the end support tube 23.

[0042] Further, such as Figure 4 , Figure 5 As shown, in order to facilitate the accurate positioning of the curved positioning portion 41 of the upper positioning piece, a first mark is made in the middle of the curved positioning portion 41, and at the same time, a top middle block 26 is provided on the top surface of the vertical rod 22 away from the upper positioning piece. A second mark is made in the middle of the top middle block 26. The first mark and the second mark can be straight lines, arrows, color blocks, etc. When in use, after the curved positioning portion 41 is placed on the upper mounting piece 13 and the upper mounting plate 25, the first mark and the second mark are aligned to achieve rapid alignment and centering of the curved positioning portion 41.

[0043] Furthermore, the short rod 21 is made of square tube or H-shaped steel, and the end of the short rod 21 without the vertical rod 22 is detachably connected to the intermediate bracket through a pipe connector. Figures 1 to 3 , Figures 5 and 6 The pipe connector can be a connecting plate 27, which is provided with three triangular or four plate holes. Corresponding holes are opened on the short rod 21 and the bottom rod 1 and threaded bushings are provided. Then the connecting plate 27 is connected to the short rod 21 and the bottom rod 1 by bolts; the pipe connector can also adopt other existing square tube connectors or H-shaped steel connectors.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are within the scope of protection of the pending claims of the present invention.

Claims

1. A pier cap steel bar binding fixture, characterized by: It comprises a support structure, an upper positioning piece arranged on the top of the support structure, and a lower positioning piece arranged in the middle of the support structure; the upper positioning piece and the lower positioning piece are provided with steel bar positioning grooves for locating the position of steel bars; The support structure includes four intermediate supports, two end supports and longitudinal beams for connecting the intermediate supports; the four intermediate supports are aligned in the longitudinal direction, and the end supports are detachably connected to the intermediate supports located on both sides; the longitudinal beams are installed on the common side of the four intermediate supports; The top of the intermediate support is provided with an upper mounting plate (13), and support blocks (12) corresponding to the position of each layer of steel bars are provided on both sides of the intermediate support, and the support blocks (12) are used to place transverse support rods; an intermediate support column (17) that can be horizontally telescoped inward is provided in the middle of the other side of the intermediate support; An upper mounting plate (25) is arranged at the top end of the end bracket, and an end support column (24) which can be horizontally extended and retracted inward is arranged in the middle of the end bracket, and the end support column (24) is flush with the upper end of the intermediate support column (17); the part of the upper positioning piece corresponding to the intermediate bracket can be detachably mounted on the upper mounting plate (13), and the part corresponding to the end bracket is placed on the upper mounting plate (25); the part of the lower positioning piece corresponding to the intermediate bracket can be detachably mounted on the intermediate support column (17), and the part corresponding to the end bracket is placed on the end support column (24).

2. The pier cap reinforcement binding fixture according to claim 1 is characterized in that: The upper mounting piece (13) and the upper mounting plate (25) are both provided with mounting holes, and the upper positioning piece and the lower positioning piece are respectively threadedly connected to the corresponding mounting holes via bolts.

3. The pier cap reinforcement binding fixture according to claim 1 is characterized in that: The lower positioning piece is formed by splicing a first arc-shaped portion (51), a second arc-shaped portion (53) and at least two straight portions (52); the first arc-shaped portion (51) and the straight portions (52), and the second arc-shaped portion (53) and the straight portions (52) are fixed by a clip assembly; the clip assembly comprises an upper clip (55) pressed against the upper side of the lower positioning piece, a lower clip pressed against the lower side of the lower positioning piece, and a locking member penetrating and connecting the upper clip (55) and the lower clip.

4. The pier cap reinforcement binding fixture according to claim 3 is characterized by: The joints between the first arc-shaped portion (51) and the straight portion (52), and between the second arc-shaped portion (53) and the straight portion (52) are provided with concave-convex fitting joint structures (54).

5. The pier cap reinforcement binding fixture according to claim 1 is characterized in that: The intermediate support comprises a bottom rod (1), vertical rods (11) vertically fixed at both ends of the bottom rod (1), and a support groove (16) installed in the middle of the vertical rod (11); the intermediate support column (17) is fixed in the support groove (16) by bolts.

6. The pier cap reinforcement binding fixture according to claim 5 is characterized in that: A plurality of support column positioning holes (161) are equidistantly arranged on the outer side or bottom surface of the middle support column (17), and slot holes corresponding to the support column positioning holes (161) are arranged on the outer side or bottom surface of the support groove (16).

7. The pier cap reinforcement binding fixture according to claim 5 is characterized by: A reinforcing diagonal rod (14) is obliquely fixed between the bottom rod (1) and the vertical rod (11), and a reinforcing cross rod (15) is fixed between the two vertical rods (11).

8. The pier cap reinforcement binding fixture according to claim 1 is characterized in that: The end bracket comprises a short rod (21) arranged horizontally, a vertical rod (22) vertically fixed to one end of the short rod (21), and an end support tube (23) horizontally fixed to the middle of the vertical rod (22), and the end support column (24) is arranged in the end support tube (23).

9. The pier cap reinforcement binding fixture according to claim 8 is characterized in that: The end support column (24) is inserted into or threadedly penetrates the end support tube (23).

10. The pier cap reinforcement binding fixture according to claim 8 is characterized in that: The short rod (21) is made of a square tube or H-shaped steel, and one end of the short rod (21) not provided with the vertical rod (22) is detachably connected to the middle bracket via a pipe connector.

Images