Bridge double-Y special-shaped pier body supporting device

Abstract

The utility model relates to a bridge double-Y special-shaped pier body supporting device which comprises a deformed steel bar pull rod, a first wedge-shaped cushion block, a transverse back ridge and a disc buckle supporting frame, and the disc buckle supporting frame is supported below a formwork support of a double-Y special-shaped pier body. The deformed steel bar pull rod transversely penetrates through two outer side face formworks of the formwork support, a plurality of first wedge-shaped cushion blocks are arranged on the outer side face formworks, the inclined faces of the first wedge-shaped cushion blocks abut against the two outer side face formworks of the formwork support respectively, and the side faces, away from the outer side face formworks, of the first wedge-shaped cushion blocks are locking faces. Transverse back ridges are arranged on the locking face of the first wedge-shaped cushion block, the two ends of the deformed steel bar pull rod penetrate through the two corresponding transverse back ridges respectively, the two ends of the deformed steel bar pull rod are provided with locking nuts abutting against the transverse back ridges respectively, and the locking nuts are double-nut locking mechanisms. Through external and internal support of the double-Y special-shaped pier, the support structure achieves the purposes of high efficiency, safety, high quality and convenient construction.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction related technical field, concretely relates to a bridge double Y special-shaped pier body supporting device. BACKGROUND

[0002] With the acceleration of urbanization process and the continuous growth of traffic demand, bridge engineering as an important part of urban traffic system, its design and construction technology are also constantly innovating and developing. As a novel and creative bridge structure form, double Y special-shaped pier has been widely used in municipal highway bridge engineering because of its unique shape and good stress performance. Because of its high strength and corrosion resistance, fine rolling threaded steel can withstand various complex stresses and environmental conditions, ensure the stability and safety of the support structure, and has been more and more applied to the construction support system of city bridge special-shaped pier column. However, the traditional standard section pier column has been unable to meet the construction requirements of city bridge. In order to ensure the structure safety and linear control of bridge special-shaped pier column construction to meet the design requirements, the technology of bridge special-shaped pier column construction support system needs to be researched in depth. SUMMARY

[0003] The utility model discloses in order to solve one or several technical problems of prior art, provide a bridge double Y special-shaped pier body supporting device.

[0004] The utility model discloses a technical scheme that solves the above technical problem as follows: a bridge double Y special-shaped pier body supporting device, including screw steel pull rod, first wedge-shaped cushion block, transverse back ridge and disc buckle support frame, the disc buckle support frame supports below the formwork support of double Y special-shaped pier body, the screw steel pull rod passes through two outer side face formworks of formwork support transversely, be equipped with a plurality of first wedge-shaped cushion block on the outer side face formwork, the inclined plane of first wedge-shaped cushion block is respectively abuts on two outer side face formworks of formwork support, the side face of first wedge-shaped cushion block away from the outer side face formwork is locking surface, be equipped with transverse back ridge on the locking surface of first wedge-shaped cushion block, the both ends of screw steel pull rod respectively pass through corresponding two transverse back ridges, the both ends of screw steel pull rod are respectively equipped with the locking nut of the top of the transverse back ridge, the locking nut is double nut locking mechanism.

[0005] The utility model discloses a bridge double Y special-shaped pier body supporting device, through the exosomatic and endosomatic support of double Y special-shaped pier, makes the support structure reach the purpose of efficient, safe, high -quality, convenient construction. The support device of the utility model is divided into endosomatic fine rolling threaded steel counter -pulley support + exosomatic socket type disc buckle support frame support, can not only avoid the problem that the formwork is mispositioned due to the excessive local stress during the double Y special-shaped pier body pouring concrete, but also can be good to the linear control of pier body, more convenient, safe construction.

[0006] On the basis of the above technical scheme, the utility model further can make improvement as follows.

[0007] Further, the outer side formwork is provided with a plurality of rows of first wedge-shaped pads in the up-down direction, each row of first wedge-shaped pads comprises a plurality of first wedge-shaped pads arranged in sequence and spaced apart in the front-back direction, and a group of transverse back beads are arranged on the locking surface of each row of first wedge-shaped pads.

[0008] Further, the end of the threaded steel pull rod passes through a group of transverse back beads between two adjacent first wedge-shaped pads in each row of first wedge-shaped pads.

[0009] Further, each group of transverse back beads is provided with at least two threaded steel pull rods.

[0010] Further, the two outer side formworks of the double-Y-shaped special-shaped pier body are each provided with a plurality of limit back beads arranged in a vertical and inclined manner, and at least two first wedge-shaped pads are arranged on each limit back bead.

[0011] Further, a jack for increasing the pre-tightening force is further arranged between the transverse back bead and the locking nut, and a plastic corrugated pipe for threaded steel pull rod threading is pre-buried in the formwork support of the double-Y-shaped special-shaped pier body.

[0012] Further, the first wedge-shaped pad comprises a locking plate and a cross-shaped block, the cross-shaped block is welded from a plurality of metal plates, one end of the cross-shaped block is welded to one side surface of the locking plate, the other end of the cross-shaped block is arranged in an inclined manner as an inclined surface of the first wedge-shaped pad, and the other side surface of the locking plate serves as a locking surface of the first wedge-shaped pad.

[0013] Further, the disc buckle support frame comprises a first disc buckle frame, a second disc buckle frame and a third disc buckle frame, the first disc buckle frame and the second disc buckle frame are respectively supported on the two outer side formworks of the double-Y-shaped special-shaped pier body, and the third disc buckle frame is supported below the joint formwork of the two Y-shaped structures of the double-Y-shaped special-shaped pier body.

[0014] Further, the first disc buckle frame, the second disc buckle frame and the third disc buckle frame each comprise a vertical support rod, the upper end of the vertical support rod is provided with a U-shaped support, a second wedge-shaped pad is arranged in the U-shaped support, and the inclined surface of the second wedge-shaped pad is supported on the outer side formwork of the double-Y-shaped special-shaped pier body and the joint formwork below the joint of the two Y-shaped structures.

[0015] Further, the structure of the second wedge-shaped pad is the same as that of the first wedge-shaped pad.

[0016] The utility model discloses a fastening system is fixed on the formwork frame body of double Y special-shaped pier column, utilizes the fine rolled threaded steel (threaded steel pull rod), I -beam back ridge, wedge -shaped cushion block, gasket, nut forms the pull on the both sides of pier column, ensures the construction safety of structure, improves work efficiency effectively, reaches its construction convenient, and the simple dismounting of simple, and the effect of reducing material, manual waste. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural diagram of the utility model bridge double Y special-shaped pier body support device;

[0018] Figure 2 It is Figure 1 It is the cross section structure schematic view of A-A;

[0019] Figure 3 It is Figure 1 It is the cross section structure schematic view of B-B;

[0020] Figure 4 It is the main view structural schematic diagram of the utility model threaded steel pull rod use state;

[0021] Figure 5 It is the side view structural schematic diagram of the utility model threaded steel pull rod use state;

[0022] Figure 6 It is the connecting structure schematic diagram of the utility model threaded steel pull rod;

[0023] Figure 7 It is the structural schematic diagram of the utility model vertical support rod use state;

[0024] Figure 8 It is the main view structural schematic diagram of the utility model first wedge-shaped cushion block;

[0025] Figure 9 It is the overhead structural schematic diagram of the utility model first wedge-shaped cushion block.

[0026] In the drawings, the component list represented by each sign is as follows:

[0027] 1, threaded steel pull rod;2, first wedge-shaped cushion block;21, locking plate;22, cross block;3, horizontal back ridge;

[0028] 4, disc buckle support frame;41, first disc buckle frame;42, second disc buckle frame;43, third disc buckle frame;44, vertical support rod;45, U-shaped support;46, second wedge-shaped cushion block;47, railing;

[0029] 5, formwork support;51, outer side formwork;52, joint formwork;6, locking nut;61, gasket;7, limiting back ridge;8, jack. DETAILED DESCRIPTION

[0030] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0031] As shown in the drawings, Figures 1-9 The bridge double-Y-shaped special-shaped pier body supporting device of the embodiment comprises a threaded steel pull rod 1, a first wedge-shaped cushion block 2, a horizontal back ridge 3 and a disc buckle support frame 4. The disc buckle support frame 4 is supported below the formwork support frame 5 of the double-Y-shaped special-shaped pier body, i.e. below the formwork 52 at the joint of the two Y-shaped structures and below the two outer side formworks 51 of the double-Y-shaped special-shaped pier body. The threaded steel pull rod 1 horizontally passes through the two outer side formworks 51 of the double-Y-shaped special-shaped pier body. The outer side formwork 51 is provided with a plurality of first wedge-shaped cushion blocks 2. The inclined surfaces of the first wedge-shaped cushion blocks 2 are respectively abutted on the outer side formworks 51 of the corresponding double-Y-shaped special-shaped pier body. The side surface of the first wedge-shaped cushion block 2, which is away from the outer side formwork 51, is a locking surface. The locking surface of the first wedge-shaped cushion block 2 is provided with a horizontal back ridge 3. The two ends of the threaded steel pull rod 1 respectively pass through the two corresponding horizontal back ridges 3. The two ends of the threaded steel pull rod 1 are respectively provided with locking nuts 6 for tightly pressing the horizontal back ridges 3. The locking nuts 6 are double-nut locking mechanisms.

[0032] Specifically, in order to facilitate construction operation, a handrail 47 can also be arranged on the top periphery of the disc buckle support frame 4.

[0033] As shown in the drawings, Figure 1 , Figure 4 and Figure 5 The outer side formwork 51 of the embodiment is provided with a plurality of rows of first wedge-shaped cushion blocks 2 in the up-down direction. Each row of first wedge-shaped cushion blocks 2 comprises a plurality of first wedge-shaped cushion blocks 2 which are sequentially and spacedly arranged in the front-back direction. A group of horizontal back ridges 3 are arranged on the locking surface of each row of first wedge-shaped cushion blocks 2.

[0034] As shown in the drawings, Figure 5 The end of the threaded steel pull rod 1 of the embodiment passes through a group of horizontal back ridges 3 between two adjacent first wedge-shaped cushion blocks 2 in each row of first wedge-shaped cushion blocks 2.

[0035] As shown in the drawings, Figure 5 Each group of horizontal back ridges 3 of the embodiment is provided with at least two threaded steel pull rods 1.

[0036] As shown in the drawings, Figure 5 The two outer side formworks 51 of the double-Y-shaped special-shaped pier body of the embodiment are both provided with a plurality of vertically and obliquely arranged limiting back ridges 7. At least two first wedge-shaped cushion blocks 2 are arranged on each limiting back ridge 7.

[0037] As shown in the drawings, Figure 6As shown, the transverse back rafter 3 of the embodiment is further provided with a jack 8 for increasing the pre-tightening force between the transverse back rafter 3 and the locking nut 6, and a gasket 61 is additionally arranged between the locking nut 6 and the jack 8. A plastic corrugated pipe for the threaded steel pull rod 1 to pass through is pre-buried in the formwork support 5 of the double-Y shaped pier body. In the embodiment, before everything is ready and the pouring of concrete is completed, the pre-tightening force of 10% is applied in advance to the fine rolled threaded steel inside and outside the body through the jack to fasten. The I-beam connecting beam, the I-beam limiting back rafter and the first wedge-shaped block are arranged on the inclined outer side surface side formwork on both sides of the main pier column, so as to ensure that the fine rolled threaded steel is in full contact with the nut gasket and the jack and to provide sufficient strength and rigidity, and the double-Y shaped pier column is removed after the pouring of concrete is completed and the design strength is reached.

[0038] As shown in Figure 6 , Figure 8 and Figure 9 , the first wedge-shaped pad block 2 of the embodiment comprises a locking plate 21 and a cross-shaped block 22, the cross-shaped block 22 is welded by a plurality of metal plates, one end of the cross-shaped block 22 is welded on one side surface of the locking plate 21, the other end of the cross-shaped block 22 is arranged as an inclined surface of the first wedge-shaped pad block 2, and the other side surface of the locking plate 21 is arranged as a locking surface of the first wedge-shaped pad block 2.

[0039] As shown in Figures 1-3 , the disc buckle support frame 4 of the embodiment comprises a first disc buckle frame 41, a second disc buckle frame 42 and a third disc buckle frame 43, the first disc buckle frame 41 and the second disc buckle frame 42 are respectively supported on the two outer side surface formworks 51 of the double-Y shaped pier body, and the third disc buckle frame 43 is supported below the joint formwork 52 of the two Y-shaped structures of the double-Y shaped pier body.

[0040] As shown in Figures 1-3 , Figure 7 , the first disc buckle frame 41, the second disc buckle frame 42 and the third disc buckle frame 43 of the embodiment all comprise a vertical support rod 44, the upper end of the vertical support rod 44 is provided with a U-shaped support 45, the U-shaped support 45 is provided with a second wedge-shaped pad block 46, and the inclined surface of the second wedge-shaped pad block 46 is supported on the outer side surface formwork 51 of the double-Y shaped pier body and the joint formwork 52 below the joint of the two Y-shaped structures. The structure of the second wedge-shaped pad block 46 is the same as that of the first wedge-shaped pad block 2.

[0041] The transverse back rafter 3 and the limiting back rafter 7 of the embodiment are both made of I-beams.

[0042] The bridge double-Y-shaped pier body support device of the embodiment can achieve the purposes of high efficiency, safety, high quality and convenient construction through the external and internal support of the double-Y-shaped pier.

[0043] The embodiment also provides a construction method of the bridge double-Y-shaped pier body support device.

[0044] The construction method of the embodiment is fixed on the formwork frame of the double-Y-shaped pier column through the fastening system, the fine rolled threaded steel (threaded steel pull rod), the I-shaped steel back lath, the wedge-shaped spacer, the gasket and the nut are used to form the counter-pulling on the two sides of the pier column, the construction safety of the structure is ensured, the work efficiency is effectively improved, the construction is convenient, the disassembly is simple, and the material and labor waste are reduced.

[0045] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0046] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0047] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be the communication of two element internals or the interaction of two elements, unless another definite limitation.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0048] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly contacted through intermediate medium.Moreover, the first feature "over", "above" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than that of the second feature.The first feature "under", "below" and "on" the second feature can be that the first feature is directly below or obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than that of the second feature.

[0049] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.

[0050] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model, and the skilled in the art can change, modify, replace and modify the above embodiments within the scope of the utility model.

Claims

1. A bridge double-Y irregular pier support device, characterized in that, The device includes a threaded steel tie rod, first wedge-shaped pads, transverse back ribs, and a disc-lock support frame. The disc-lock support frame is supported below the template support of the double Y-shaped pier. The threaded steel tie rod passes laterally through the two outer side templates of the template support. The outer side templates are provided with multiple first wedge-shaped pads. The inclined surfaces of the first wedge-shaped pads abut against the two outer side templates of the template support. The side of the first wedge-shaped pad facing away from the outer side template is a locking surface. The locking surface of the first wedge-shaped pad is provided with transverse back ribs. The two ends of the threaded steel tie rod pass through the corresponding two transverse back ribs. The two ends of the threaded steel tie rod are provided with locking nuts that tighten against the transverse back ribs. The locking nuts are double-nut locking mechanisms.

2. The bridge double-Y irregular pier support device according to claim 1, characterized in that, The outer side template is provided with multiple rows of first wedge-shaped pads along the vertical direction. Each row of first wedge-shaped pads includes multiple first wedge-shaped pads arranged sequentially at intervals along the front-back direction. A set of transverse back ribs is provided on the locking surface of each row of first wedge-shaped pads.

3. The bridge double-Y irregular pier support device according to claim 2, characterized in that, The end of the threaded steel tie rod passes through a set of transverse back ribs between two adjacent first wedge pads in each row of first wedge pads.

4. The bridge double-Y irregular pier support device according to claim 2, characterized in that, Each set of transverse back braces is equipped with at least two threaded steel tie rods.

5. The bridge double-Y irregular pier support device according to claim 1, characterized in that, The two outer side templates of the double Y-shaped pier body are provided with multiple vertically inclined limiting back ribs, and each limiting back rib is provided with at least two first wedge-shaped pads.

6. The bridge double-Y irregular pier support device according to claim 1, characterized in that, A jack to increase preload is also provided between the transverse back rib and the locking nut; a plastic corrugated pipe for threaded steel tie rods is pre-embedded in the template support of the double Y-shaped pier body.

7. The bridge double-Y irregular pier support device according to claim 1, characterized in that, The first wedge-shaped pad includes a locking plate and a grid block. The grid block is welded from multiple metal plates. One end of the grid block is welded to one side of the locking plate, and the other end of the grid block is arranged at an angle to serve as the inclined surface of the first wedge-shaped pad. The other side of the locking plate serves as the locking surface of the first wedge-shaped pad.

8. The bridge double-Y irregular pier support device according to claim 1, characterized in that, The disc buckle support frame includes a first disc buckle frame, a second disc buckle frame, and a third disc buckle frame. The first and second disc buckle frames are respectively supported on the two outer side templates of the double Y-shaped pier body, and the third disc buckle frame is supported below the template at the intersection of the two Y-shaped structures of the double Y-shaped pier body.

9. The bridge double-Y irregular pier support device according to claim 8, characterized in that, The first, second, and third disc buckle frames all include vertical support rods. The upper end of each vertical support rod is provided with a U-shaped bracket. A second wedge-shaped pad is provided inside the U-shaped bracket. The inclined surface of the second wedge-shaped pad is supported on the outer side template of the double Y-shaped pier body and the junction template below the junction of the two Y-shaped structures.

10. The bridge double-Y irregular pier support device according to claim 9, characterized in that, The structure of the second wedge-shaped pad is the same as that of the first wedge-shaped pad.

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