Y-shaped pier column formwork construction bracket system

Abstract

The utility model discloses a Y-shaped pier column template construction bracket system, which belongs to the technical field of bridge construction, and comprises two trusses which are symmetrically arranged on the two sides of a Y-shaped pier column and are respectively arranged on the outer side of a template which is transited from a pier body of the Y-shaped pier column to two inclined legs, each truss is composed of at least two sets of rhombus-like frames arranged side by side and cross arms transversely connected with all the rhombus-like frames, and each set of rhombus-like frame is composed of a lower vertical rod, an upper inclined rod, an upper vertical rod, a horizontal rod and a lower inclined rod. The multiple cross arms are arranged on the lower vertical rods, the upper inclined rods, the upper vertical rods and the horizontal rods of the diamond-like frame respectively. According to the bracket system, the trusses are symmetrically arranged on the two sides of the Y-shaped pier column, the construction progress can be accelerated, and the construction time is shortened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bridge construction, provide a kind of Y type pier column formwork construction bracket system. BACKGROUND

[0002] In recent ten years, some prestressed concrete Y type support bridges appear at home and abroad, including Y type support continuous beam bridge and continuous rigid frame bridge. Compared with straight-leg rigid frame bridge, under the action of V-shaped pier of prestressed concrete Y type pier continuous rigid frame bridge, main beam span can be significantly shortened, and the negative bending distance peak value of support shoulder is also reduced, so that the structure becomes light and slender, which is beneficial to select variable cross-section box girder form, and the appearance is relatively beautiful and generous, as shown in Figure 1 .

[0003] At present, Y type pier structure has higher construction technology requirement, mainly reflected in the inclined limb leg of pier body makes construction platform erection, steel bar binding and fixing, formwork installation and fixed position and other operations have greater difficulty;Especially high requirement for bracket system, traditional bracket mostly adopts hoop method or erects floor support and other methods construction, bring temporary structure installation and removal workload, high safety risk, low construction efficiency and other disadvantages. Therefore, it is necessary to design a new type of bracket system to solve the above technical problems. CONTENT OF UTILITY MODEL

[0004] Therefore, the utility model aims at providing a kind of Y type pier column formwork construction bracket system with reliable performance and convenient construction, economic and practical, to solve the problems, such as inconvenient Y type pier column formwork construction.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of Y-type pier column formwork construction bracket system, comprising: truss, it is set to two, and symmetrically arranged in the two sides of Y-type pier column and separately arranged on the formwork outside of the transition of pier body to two inclined limbs of Y-type pier column, single truss is made of at least two sets of side -by-side arranged diamond frame and crosspiece connecting all diamond frame, wherein, single set of diamond frame is made of lower vertical rod, upper inclined rod, upper vertical rod, flat bar, lower inclined rod;Flat bar is horizontally and vertically arranged on the upper side of lower vertical rod, and upper vertical rod is vertically arranged on the outer side of flat bar away from lower vertical rod;Upper inclined rod and lower inclined rod are arranged on the opposite side relative to flat bar, and the two ends of upper inclined rod are connected with lower vertical rod and upper vertical rod respectively, and the two ends of lower inclined rod are connected with lower vertical rod and flat bar respectively;Lower vertical rod is parallel to the vertical surface of pier body, and lower vertical rod is connected with the back of pier body formwork;Upper inclined rod is parallel to the inclined surface of inclined limb, and upper inclined rod is connected with the back of inclined limb formwork;Crosspiece is set to multiple, and is separately arranged on lower vertical rod, upper inclined rod, upper vertical rod and flat bar of diamond frame.Using the above scheme, the connection between lower vertical rod, upper inclined rod, lower inclined rod, upper vertical rod and flat bar forms a relatively independent and stable frame structure.This design not only provides sufficient bearing capacity, but also can effectively resist the action of external force, especially the dynamic load that may be encountered during construction;Make the structure of the bracket system simplify the installation and fixing process of formwork, not only reduce the construction difficulty, also reduce the security risk in the process of construction, improve the safety guarantee of construction personnel.

[0007] Optionally, the upper and lower sides of the lower vertical rod extend vertically from the connection with the upper inclined rod and the lower inclined rod respectively;The upper side of the upper inclined rod extends obliquely from the connection with the upper vertical rod;The outer side of the flat bar extends horizontally from the connection with the upper vertical rod and the lower inclined rod respectively.In this way, the extension and connection mode of the above design optimizes the overall stiffness of the bracket, reduces the possibility of deformation, and ensures the stability and safety of the formwork during construction.

[0008] Optionally, crosspieces are arranged on the flat bar at the foot of the lower vertical rod and the upper vertical rod respectively, on the lower vertical rod near the lower inclined rod, on the upper vertical rod near the upper inclined rod, and on the upper inclined rod near the middle part.In this way, the stability of the overall structure of the truss is improved by using the combination of flat bars, vertical rods and inclined rods, and the arrangement of crosspieces.

[0009] Optionally, the single set of diamond frame further includes an upper brace rod arranged between the upper inclined rod and the flat bar, and a lower brace rod arranged between the lower vertical rod and the lower inclined rod.In this way, the entire structure forms a more stable diamond frame through the arrangement of the upper brace rod and the lower brace rod, thereby effectively dispersing and bearing external loads.

[0010] Optionally, the single set of rhombus-like frame is composed of two lower vertical rods, two upper inclined rods, two upper vertical rods, two flat rods and two lower inclined rods which are symmetrically arranged and connected by short rods; the upper support rod and the lower support rod are both provided as one, and the two ends of the upper support rod are located between the two upper inclined rods and the two flat rods, and the two ends of the lower support rod are located between the two lower vertical rods and the two lower inclined rods. Overall, the symmetrical arrangement and the reasonable connection mode improve the strength and stability of the single set of rhombus-like frame, and the single set of rhombus-like frame is suitable for engineering applications with large load bearing.

[0011] Optionally, the two lower vertical rods are provided with a plurality of connecting plates on the corresponding surfaces facing the formwork, and the connecting plates correspond to the back strakes of the formwork in the vertical direction. In this way, the connecting plate is designed to provide a stable connection point, so that the lower vertical rod can be firmly combined with the formwork.

[0012] Optionally, the lower vertical rod, the upper inclined rod, the upper vertical rod, the flat rod, the lower inclined rod, the upper support rod, the lower support rod, the cross arm and the short rod are made of one or more of channel steel, I-beam or square steel. In this way, it can be ensured that these components meet the engineering requirements in terms of strength, stiffness and durability.

[0013] Optionally, the V-shaped pier bottom formwork back strake between the two inclined legs of the Y-shaped pier column is provided with a lower connecting assembly, and the lower connecting assembly is composed of a connecting rod and an end plate. The two ends of the connecting rod are provided with an end plate, and the end plate is used to connect with the formwork back strake. In this way, the lower connecting assembly composed of the connecting rod and the end plate forms a stable connection between the formwork at the bottom of the inside of the V-shaped pier, which helps to enhance the stability and load bearing capacity of the overall structure.

[0014] Optionally, the V-shaped pier top formwork back strake between the two inclined legs of the Y-shaped pier column is provided with an upper connecting assembly, and the upper connecting assembly is composed of a pull rod, a vertical plate, a nut and a reinforcing plate. The reinforcing plate is used to support the vertical plate, and the vertical plate and the reinforcing plate are arranged on the formwork back strake, and the pull rod is fixed with the vertical plate through the nut. In this way, the pull rod is fixed with the vertical plate through the nut to form a stable connection, and the setting of the reinforcing plate further enhances the supporting capacity of the vertical plate, ensuring that the upper connecting assembly can bear the required load.

[0015] The Y-shaped pier formwork construction bracket system of the utility model has the advantages that the trusses symmetrically arranged on the outside of the formwork on the two sides of the Y-shaped pier and the upper and lower connecting assemblies arranged between the formwork at the top and the bottom of the inside of the V-shaped pier of the Y-shaped pier column not only can improve the construction efficiency and reduce the installation and removal time of the temporary structure, but also can enhance the safety and reduce the risk in the construction process. In this way, the design of the bracket system can effectively improve the construction convenience of the Y-shaped pier structure, and thus promote the wide application of this bridge form.

[0016] Other advantages, objectives, and features of the present invention will be described in detail in the following description and, to some extent, will be apparent to those skilled in the art upon examination and study of the following or may be learned from practice of the present invention. The objectives and other advantages of the present invention may be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in detail below with reference to the accompanying drawings, in which:

[0018] Figure 1 This is a partial schematic diagram of the existing Y-shaped pier formwork construction;

[0019] Figure 2 This is a schematic diagram of the Y-shaped pier formwork construction bracket system of the utility model;

[0020] Figure 3 for Figure 2 Schematic diagram of the structure of the middle truss;

[0021] Figure 4 for Figure 3 A-direction schematic diagram in FIG;

[0022] Figure 5 for Figure 2 Schematic diagram of the structure of the middle and lower connection components;

[0023] Figure 6 for Figure 5 Schematic diagram of the floor plan;

[0024] Figure 7 for Figure 2 Schematic diagram of the structure of the middle and upper connection components;

[0025] Figure 8 for Figure 7 Schematic diagram of the floor plan;

[0026] Figure markings: 1-truss, 10-lower vertical rod, 11-upper oblique rod, 12-upper vertical rod, 13-horizontal rod, 14-lower oblique rod, 15-lower support rod, 16-upper support rod, 17-cross arm, 18-short rod, 19-connecting plate; 2-lower connecting assembly, 20-connecting rod, 21-end plate; 3-upper connecting assembly, 30-pull rod, 31-vertical plate, 32-nut, 33-reinforcement plate; 4-formwork, 41-back rib; 5-Y-shaped pier, 51-pier body, 52-oblique limb, 53-V-shaped pier. DETAILED DESCRIPTION

[0027] The utility model makes further explanation in combination with specific implementation. Among them, the drawing is only for example explanation, and the representation is only schematic diagram, and cannot be understood as the limitation to this patent; in order to better illustrate the embodiment of the utility model, the drawing some components will be omitted, enlarged or reduced, and does not represent the size of actual product; for those skilled in the art, it is understandable that some well-known structures and their description in the drawing can be omitted.

[0028] As Figures 2-8 The utility model discloses a Y type pier column formwork construction bracket system, including truss 1, setting is two, and symmetrically arranged at the both sides of Y type pier column 5 and separately arranged on the formwork 4 outside of the pier body 51 to two inclined limbs leg 52 transition of Y type pier column 5, and this kind of symmetrical layout increases the stability and carrying capacity of system. And single truss 1 is composed of at least two sets of side -by- side arranged rhombic frame, and all rhombic frames are connected through horizontally arranged cross arm 17, and the design of the rhombic frame can effectively disperse the force when bearing, reduce local stress, wherein a set of rhombic frame is composed of lower vertical rod 10, upper inclined rod 11, upper vertical rod 12, flat bar 13, lower inclined rod 14;Flat bar 13 is horizontally and vertically welded on the upper side of lower vertical rod 10, and upper vertical rod 12 is vertically welded on the outer side of flat bar 13 away from lower vertical rod 10;Upper inclined rod 11 and lower inclined rod 14 are arranged on the opposite side of flat bar 13, and the two ends of upper inclined rod 11 are welded and connected with lower vertical rod 10 and upper vertical rod 12 respectively, and the two ends of lower inclined rod 14 are welded and connected with lower vertical rod 10 and flat bar 13 respectively;Lower vertical rod 10 is parallel to the vertical surface of pier body 51, and lower vertical rod 10 is bolted with back ridge 41 of pier body 51 formwork 4;Upper inclined rod 11 is parallel to the inclined surface of inclined limb leg 52, and upper inclined rod 11 is bolted with back ridge 41 of inclined limb leg 52 formwork 4;And cross arm 17 is arranged as multiple, is welded on the lower vertical rod 10, upper inclined rod 11, upper vertical rod 12 and flat bar 13 of rhombic frame respectively, to enhance the overall stability and carrying capacity of truss 1. By the above scheme, the design of the rhombic frame can effectively disperse the force, improve the overall stability, effectively improve construction efficiency, reduce cost, improve the overall quality and safety of bridge, and adapt to the complex construction environment of Y type pier column.

[0029] Specifically, the upper and lower sides of the lower vertical rod 10 extend vertically beyond the connection with the upper inclined rod 11 and the lower inclined rod 14, which aims to enhance the rigidity and stability of the lower vertical rod 10, and at the same time provides a more stable connection for the upper inclined rod 11 and the lower inclined rod 14; the upper side of the upper inclined rod 11 extends obliquely beyond the connection with the upper vertical rod 12, so that the upper inclined rod 11 can effectively transmit the force from the formwork 4 and the inclined limb leg 52, ensuring uniform stress on the structure; the outer sides of the flat rod 13 extend horizontally beyond the connection with the upper vertical rod 12 and the lower inclined rod 14, and the flat rod 13 as the main horizontal component of the rhombus-like frame helps to improve the lateral stability of the entire structure, and at the same time forms a complete support system through the connection with the upper vertical rod 12 and the lower inclined rod 14. The crossbars 17 on the flat rod 13 and at the foot of the lower vertical rod 10 and the upper vertical rod 12, respectively, i.e. the crossbars 17 are arranged at the intersection of the flat rod 13 and the lower vertical rod 10 and the upper vertical rod 12, respectively, which may be used to enhance the stability or carrying capacity of the horizontal structure. The crossbars 17 on the lower vertical rod 10 and near the lower inclined rod 14 are arranged to enhance the support of the lower vertical rod 10. The crossbars 17 on the upper vertical rod 12 and near the upper inclined rod 11 are arranged to provide additional support; the crossbars 17 on the upper inclined rod 11 and near the middle part can further enhance the overall stability of the truss structure. Of course, in different examples, upper crossbars 17 can also be arranged near the middle part of the lower inclined rod 14.

[0030] In this embodiment, the single set of rhombus-like frame further comprises an upper brace 15 arranged between the upper inclined rod 11 and the flat rod 13, and a lower brace 16 arranged between the lower vertical rod 10 and the lower inclined rod 14, which provides additional support and stability through the upper brace 15 and the lower brace 16 to enhance the rigidity of the upper and lower structures of the flat rod 13, respectively, thereby improving the carrying capacity of the entire rhombus-like frame.

[0031] In another embodiment, a single set of rhombus-like frame is composed of two lower vertical rods 10, two upper inclined rods 11, two upper vertical rods 12, two flat rods 13, and two lower inclined rods 14 arranged symmetrically and connected by short rods 18, i.e. two rhombus-like frames are connected side by side to form a single set of rhombus-like frame, making the overall structure of the single set of rhombus-like frame more stable; the two lower vertical rods 10, the two upper inclined rods 11, the two upper vertical rods 12, the two flat rods 13, and the two lower inclined rods 14 in the two rhombus-like frames are arranged with connecting short rods 18 between each other, which play a role in maintaining the stability and integrity of the structure between the two rhombus-like frames; the upper brace 15 and the lower brace 16 are arranged as one, and the two ends of the upper brace 15 are located between the two upper inclined rods 11 and the two flat rods 13, respectively, and the two ends of the lower brace 16 are located between the two lower vertical rods 10 and the two lower inclined rods 14, respectively.

[0032] In the embodiment, the two lower vertical rods 10 are provided with a plurality of connecting plates 19 corresponding to the vertical back braces 41 of the formwork 4 on the corresponding surfaces of the formwork 4 facing the pier body 51, and the connecting plates 19 are provided with connecting holes for connecting the formwork 4 and the truss 1 by bolts, and the connection is firm and stable by the bolt connection, thereby improving the bearing capacity and safety of the overall structure and also adapting to the disassembly and assembly of the truss.

[0033] In the embodiment, the lower vertical rod 10, the upper inclined rod 11, the upper vertical rod 12, the flat rod 13, the lower inclined rod 14, the upper support rod 15, the lower support rod 16, the cross arm 17 and the short rod 18 are one or more of channel steel, I-beam or square steel. They all have good bearing capacity and bending resistance and are commonly used in frame structures.

[0034] In another embodiment, the lower connecting assembly 2 is arranged on the back brace 41 of the bottom formwork 4 of the V-shaped pier 53 between the two inclined legs 52 of the Y-shaped pier column 5, and the lower connecting assembly 2 is composed of a connecting rod 20 and an end plate 21. The connecting rod 20 is provided with an end plate 21 at each end. The end plate 21 is used to connect with the back brace 41 of the formwork 4, that is, the connecting rod 20 is the main part of the lower connecting assembly, responsible for fixing the end plate 21 at the appropriate position, and the end plate 21 is used to connect with the back brace 41 of the formwork 4. In this way, the effective connection of the formwork 4 at the inner bottom of the V-shaped pier 53 is ensured by the arrangement of the lower connecting assembly, thereby improving the overall strength and stability of the structure.

[0035] In another embodiment, the upper connecting assembly 3 is arranged on the back brace 41 of the top formwork 4 of the V-shaped pier 53 between the two inclined legs 52 of the Y-shaped pier column 5. The upper connecting assembly 3 is composed of a pull rod 30, a vertical plate 31, a nut 32 and a reinforcing plate 33. The reinforcing plate 33 is used to support the vertical plate 31, and the vertical plate 31 and the reinforcing plate 33 are arranged on the back brace 41 of the formwork 4. The pull rod 30 is fixed with the vertical plate 31 through the nut 32. The pull rod 30 is used to connect and support the rod member. The vertical plate 31 is arranged on the back brace 41 of the formwork 4 as the main part of the connection. The nut 32 is used to fix the connecting part of the pull rod 30 and the vertical plate 31. The reinforcing plate 33 is used to support the vertical plate 31 to enhance its stability. In this way, the stable connection of the formwork 4 at the inner top of the V-shaped pier 53 is ensured by the combination of the pull rod, the vertical plate, the nut and the reinforcing plate, thereby improving the overall stability and bearing capacity of the structure and ensuring the safety of the project.

[0036] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A Y-shaped pier column formwork construction bracket system, characterized in that: The invention relates to a Y-shaped pier column formwork system, comprising: two trusses (1) symmetrically arranged on both sides of the Y-shaped pier column (5) and disposed outside the formwork (4) at the transition from the pier body (51) to the two inclined legs (52) of the Y-shaped pier column (5), wherein each truss (1) is composed of at least two sets of parallelly arranged rhomboid frames and a crossbeam (17) transversely connecting all the rhomboid frames, and wherein each set of rhomboid frames is composed of a lower vertical rod (10), an upper inclined rod (11), an upper vertical rod (12), a horizontal rod (13), and a lower inclined rod (14); the horizontal rod (13) is vertically arranged on the upper side of the lower vertical rod (10), the upper vertical rod (12) is vertically arranged on the horizontal rod (13) away from the lower vertical rod (10); the upper inclined rod (11) and the lower inclined rod (14) are arranged on opposite sides of the horizontal rod (13), and the two ends of the upper inclined rod (11) are connected to the lower vertical rod (10) and the upper vertical rod (12) respectively, and the two ends of the lower inclined rod (14) are connected to the lower vertical rod (10) and the horizontal rod (13) respectively; the lower vertical rod (10) is parallel to the vertical surface of the pier body (51), and the lower vertical rod (10) is connected to the back brace (41) of the formwork (4) of the pier body (51); the upper inclined rod (11) is parallel to the inclined surface of the inclined leg (52), and the upper inclined rod (11) is connected to the back brace (41) of the formwork (4) of the inclined leg (52); the crossbeam (17) is arranged on the lower vertical rod (10), the upper inclined rod (11), the upper vertical rod (12), and the horizontal rod (13) of the rhomboid frame.

2. The Y-pier formwork construction bracket system according to claim 1, wherein, the upper and lower sides of the lower vertical rod (10) extend vertically beyond the connection points with the upper inclined rod (11) and the lower inclined rod (14) respectively; the upper side of the upper inclined rod (11) extends obliquely beyond the connection point with the upper vertical rod (12); the outer sides of the horizontal rod (13) extend horizontally beyond the connection points with the upper vertical rod (12) and the lower inclined rod (14) respectively.

3. The Y-pier formwork construction bracket system of claim 1, wherein, the crossbeam (17) is arranged on the horizontal rod (13) and at the vertical foot of the lower vertical rod (10) and the upper vertical rod (12) respectively, on the lower vertical rod (10) and close to the lower inclined rod (14), on the upper vertical rod (12) and close to the upper inclined rod (11), and on the upper inclined rod (11) and close to the middle part.

4. The Y-pier formwork construction bracket system according to any one of claims 1-3, wherein, each set of rhomboid frames further comprises an upper support rod (15) arranged between the upper inclined rod (11) and the horizontal rod (13), and a lower support rod (16) arranged between the lower vertical rod (10) and the lower inclined rod (14).

5. The Y-pier formwork construction bracket system according to claim 4, wherein, The single set of the rhomboid frame is arranged as two lower vertical rods (10), two upper inclined rods (11), two upper vertical rods (12), two flat rods (13), two lower inclined rods (14) arranged in a symmetrical manner and connected by short rods (18); the upper support rod (15) and the lower support rod (16) are each arranged as one, and the two ends of the upper support rod (15) are respectively located between the two upper inclined rods (11) and the two flat rods (13), and the two ends of the lower support rod (16) are respectively located between the two lower vertical rods (10) and the two lower inclined rods (14).

6. The Y-pier formwork construction bracket system according to claim 5, wherein, The two lower vertical rods (10) are provided with a plurality of connecting plates (19) corresponding to the back ribs of the formwork (4) in the vertical direction on the corresponding surface facing the formwork (4).

7. The Y-pier formwork construction bracket system according to claim 5, wherein, The lower vertical rod (10), the upper inclined rod (11), the upper vertical rod (12), the flat rod (13), the lower inclined rod (14), the upper support rod (15), the lower support rod (16), the cross arm (17) and the short rod (18) are all made of one or more of channel steel, I-beam or square steel.

8. The Y-pier formwork construction bracket system of claim 1, wherein, The back rib (41) of the formwork (4) at the bottom of the V-shaped pier (53) between the two inclined limbs (52) of the Y-shaped pier column (5) is provided with a lower connecting assembly (2), the lower connecting assembly (2) is composed of a connecting rod (20) and an end plate (21), one end plate (21) is arranged at each end of the connecting rod (20), and the end plate (21) is used to connect with the back rib (41) of the formwork (4).

9. The Y pier formwork construction bracket system according to claim 1 or 8, wherein, The back rib (41) of the formwork (4) at the top of the V-shaped pier (53) between the two inclined limbs (52) of the Y-shaped pier column (5) is provided with an upper connecting assembly (3), the upper connecting assembly (3) is composed of a pull rod (30), a vertical plate (31), a nut (32) and a reinforcing plate (33), the reinforcing plate (33) is used to support the vertical plate (31), and the vertical plate (31) and the reinforcing plate (33) are arranged on the back rib (41) of the formwork (4), and the pull rod (30) is fixed with the vertical plate (31) through the nut (32).

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