Steel formwork for pouring vase type pier

Abstract

The utility model relates to a steel formwork for pouring a vase type pier, which comprises a group of pier cap steel formwork sections, a group of transition steel formwork sections and at least one group of pier body steel formwork sections which are sequentially spliced and mounted from top to bottom, the pier cap steel formwork section, the transition steel formwork section and the pier body steel formwork section define a pouring forming cavity used for pouring the vase type pier. The method has the beneficial effects that the splicing structure of the steel formwork is reasonably arranged, splicing seams of the inner forming surface of the steel formwork in the vertical direction are reduced, and the splicing seams of the inner forming surface of the steel formwork in the transverse direction are arranged at the junction of the plane and the curved surface, so that the splicing seams of the steel formwork are combined with the appearance of the vase-type pier needing to be poured and formed, and the layout is reasonable; in addition, the components of the steel formwork are simple in connecting structure, convenient to mount and dismount on site and convenient to use repeatedly.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a steel template used for pouring vase-type bridge piers. Background Art

[0002] Vase-type bridge piers are a highly functional bridge support structure. Fair-faced concrete is a low-cost, simple, and aesthetically pleasing construction technology. During the construction of vase-type bridge piers using fair-faced concrete technology, template installation and fixation are key links in the construction. For fair-faced concrete vase-type bridge piers, due to their own shape and the characteristics of fair-faced concrete materials, the processing and installation of templates face many challenges. Traditional templates often have many joints and complex seams during shape customization and fixed installation, which results in slow installation and disassembly, time-consuming and labor-intensive, and the quality of the finished product cannot be guaranteed. Utility Model Content

[0003] The utility model aims to overcome the above problems existing in the prior art and provide a steel formwork for casting vase-type bridge piers.

[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A steel formwork for casting a vase-shaped bridge pier, the steel formwork comprising a group of pier cap steel formwork sections, a group of transition steel formwork sections, and at least one group of pier body steel formwork sections which are sequentially spliced ​​and installed from top to bottom, wherein the pier cap steel formwork sections, the transition steel formwork sections, and the pier body steel formwork sections enclose a casting molding cavity for casting the vase-shaped bridge pier; the pier cap steel formwork section comprises two front-to-back symmetrical planar pier cap main panels, two left-to-right symmetrical curved surface pier cap webs, and an annular molding plate, and the two pier cap main panels They are respectively installed between the two pier cap webs, and the annular molding plate is installed between the two pier cap main panels; the transition steel formwork section includes two front-to-back symmetrical planar transition main panels and two left-to-right symmetrical curved transition webs, and the two transition main panels are respectively installed between the two transition webs; the pier body steel formwork section includes two front-to-back symmetrical planar pier body main panels and two left-to-right symmetrical curved pier body webs, and the two pier body main panels are respectively installed between the two pier body webs.

[0006] Wherein, a hollow hole is reserved in the middle of the main panel of the pier cap, and the hollow hole is connected with the cavity in the middle of the annular molding plate.

[0007] Wherein, the longitudinal section of the annular molding plate and the longitudinal section of the hollow hole are both inverted triangles.

[0008] Among them, the front and rear ends of the annular molding plate are respectively provided with a plurality of screw holes, and the main panel of the pier cap is provided with a plurality of circular through holes around the hollow holes, and the screw holes are connected to adjacent and coaxial circular through holes with half-thread bolts.

[0009] Among them, the lower part of the forming surface of the pier cap main panel is provided with a first raised strip protruding toward the center direction of the pier cap steel formwork section, the forming surface of the transition main panel is provided with a second raised strip protruding toward the center direction of the transition steel formwork section, and the forming surface of the pier body main panel is provided with a third raised strip protruding toward the center direction of the pier body steel formwork section. The forming surfaces of the first raised strip, the second raised strip, and the third raised strip located in the same vertical direction are smoothly connected from top to bottom in sequence, and the cross sections of the first raised strip, the second raised strip, and the third raised strip are all in the shape of a "convex" character.

[0010] Among them, the forming surface of the pier cap main panel, the forming surface of the pier cap web, the forming surface of the annular molding plate, the forming surface of the transition main panel, the forming surface of the transition web, the forming surface of the pier body main panel, and the forming surface of the pier body web are all seamless and smooth surfaces, the forming surface of the pier cap main panel and the forming surface of the pier cap web are smoothly spliced, the forming surface of the transition main panel and the forming surface of the transition web are smoothly spliced, the forming surface of the pier body main panel and the forming surface of the pier body web are smoothly spliced, the forming surface of the pier cap main panel, the forming surface of the transition main panel, and the forming surface of the pier body main panel are smoothly spliced ​​from top to bottom in sequence, and the forming surface of the pier cap web, the forming surface of the transition web, and the forming surface of the pier body web are smoothly spliced ​​from top to bottom in sequence.

[0011] Among them, the mounting surface of the pier cap main panel, the mounting surface of the pier cap web, the mounting surface of the annular molding plate, the mounting surface of the transition main panel, the mounting surface of the transition web, the mounting surface of the pier body main panel, and the mounting surface of the pier body web are all fixedly connected with grid-type ribs; a plurality of first mounting holes are respectively opened on the top and bottom of the grid-type ribs, a plurality of second mounting holes are respectively opened on both sides of the grid-type ribs, two grid-type ribs adjacent to each other are connected by a first screw and a first nut that are screwed together, and the rod of the first screw is sleeved in two first mounting holes adjacent to each other and coaxial, and two grid-type ribs adjacent to each other on the left and right are connected by a second screw and a second nut that are screwed together, and the rod of the second screw is sleeved in two second mounting holes adjacent to each other and coaxial.

[0012] Among them, the mounting surfaces of the pier cap main panel, the mounting surfaces of the transition main panel and the mounting surfaces of the pier body main panel are respectively fixed with a laterally extending straight first connecting beam, the mounting surfaces of the pier cap web, the mounting surfaces of the transition web and the mounting surfaces of the pier body web are respectively fixed with a laterally extending arc-shaped second connecting beam, the two ends of the first connecting beam are respectively fixed with a first connecting seat with a third mounting hole, the two ends of the second connecting beam are respectively fixed with a second connecting seat with a fourth mounting hole, the first connecting seat is connected to the adjacent second connecting seat by a first pair of tie rods, and the screws of the first pair of tie rods are sleeved in adjacent and coaxial third mounting holes and fourth mounting holes.

[0013] Wherein, a second pair of tie rods are respectively installed between two front-to-back symmetrical main panels of the pier cap, between two front-to-back symmetrical transition main panels, and between two front-to-back symmetrical main panels of the pier body.

[0014] Among them, the cross-section of the pier cap steel formwork section, the cross-section of the transition steel formwork section, and the cross-section of the pier body steel formwork section are all oval-shaped, the left-right width of the pier cap steel formwork section and the left-right width of the transition steel formwork section gradually increase from bottom to top, and the left-right width of the pier body steel formwork section is the same from bottom to top.

[0015] The beneficial effects of the utility model are as follows: by reasonably setting the assembly structure of the steel formwork, the splicing seams of the internal forming surface of the steel formwork in the vertical direction are reduced, and the splicing seams of the internal forming surface of the steel formwork in the horizontal direction are set at the junction of the plane and the curved surface, so that the splicing seams of the steel formwork are combined with the outer shape of the vase-shaped pier to be cast and formed, and the layout is reasonable; and the connection structure of the components of the steel formwork is simple, which is convenient for on-site installation and disassembly, and is convenient for repeated use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a front view structural diagram of the utility model in which the steel formwork is assembled;

[0018] Figure 2 It is a front view structural diagram of the utility model in which the steel formwork is disassembled;

[0019] Figure 3 It is a structural schematic diagram of the installation surface of the main panel of the pier cap in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the mounting surface of the pier cap web in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the installation surface of the transition main panel in the utility model;

[0022] Figure 6 It is a structural schematic diagram of the installation surface of the transition web in the utility model;

[0023] Figure 7 It is a structural schematic diagram of the installation surface of the main panel of the pier body in the utility model;

[0024] Figure 8 It is a structural schematic diagram of the installation surface of the web plate of the pier body in the utility model;

[0025] Fig. 9 It is a schematic diagram of the structure of the utility model in which the pier body steel formwork sections are assembled from a top view;

[0026] Explanation of the numbers in the figure: pier cap steel formwork section 1, pier cap main panel 11, hollow hole 111, first raised strip 112, pier cap web 12, annular molding plate 13, transition steel formwork section 2, transition main panel 21, second raised strip 211, transition web 22, pier body steel formwork section 3, pier body main panel 31, third raised strip 311, pier body web 32, grid-type rib 4, lifting ear 41, first connecting beam 5, first connecting seat 6, second connecting beam 7, second connecting seat 8, first pair of tie rods 9, second pair of tie rods 10. DETAILED DESCRIPTION

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] like Figures 1 to 9 As shown, a steel formwork for casting a vase-type bridge pier comprises a group of pier cap steel formwork sections 1, a group of transition steel formwork sections 2, and at least one group of pier body steel formwork sections 3 which are sequentially spliced ​​and installed from top to bottom. The pier cap steel formwork sections 1, the transition steel formwork sections 2, and the pier body steel formwork sections 3 enclose a casting molding cavity for casting the vase-type bridge pier.

[0029] The pier cap steel formwork section 1 includes two front-to-back symmetrical planar pier cap main panels 11, two left-to-right symmetrical curved pier cap webs 12, and an annular molding plate 13. The two pier cap main panels 11 are respectively installed between the two pier cap webs 12, and the annular molding plate 13 is installed between the two pier cap main panels 11; the lower part of the molding surface of the pier cap main panel 11 is provided with a first raised strip 112 protruding toward the center direction of the pier cap steel formwork section 1.

[0030] A hollow hole 111 is reserved in the middle of the pier cap main panel 11, and the hollow hole 111 is connected to the cavity in the middle of the annular molding plate 13; the longitudinal sections of the annular molding plate 13 and the hollow hole 111 are both inverted triangles; a plurality of screw holes are respectively provided at the front and rear ends of the annular molding plate 13, and a plurality of circular through holes are provided on the pier cap main panel around the hollow holes, and the screw holes are connected to adjacent and coaxial circular through holes with half-thread bolts, so that the annular molding plate 13 is installed between the two pier cap main panels 11.

[0031] The transition steel formwork section 2 includes two planar transition main panels 21 that are symmetrical in front and back, and two curved transition webs 22 that are symmetrical in left and right. The two transition main panels 21 are respectively installed between the two transition webs 22; the forming surface of the transition main panel 21 is provided with a second raised strip 211 that protrudes toward the center direction of the transition steel formwork section 2.

[0032] The pier body steel formwork section 3 includes two front-to-back symmetrical planar pier body main panels 31 and two left-to-right symmetrical curved pier body webs 32. The two pier body main panels 31 are respectively installed between the two pier body webs 32. The forming surface of the pier body main panels 31 is provided with a third raised strip 311 protruding toward the center direction of the pier body steel formwork section 3.

[0033] The forming surfaces of the first raised strip 112, the second raised strip 211 and the third raised strip 311 located in the same vertical direction are smoothly connected from top to bottom, and the cross-sections of the first raised strip 112, the second raised strip 211 and the third raised strip 311 are all in the shape of a "convex" character.

[0034] The forming surface of the pier cap main panel 11, the forming surface of the pier cap web 12, the forming surface of the annular molding plate 13, the forming surface of the transition main panel 21, the forming surface of the transition web 22, the forming surface of the pier body main panel 31, and the forming surface of the pier body web 32 are all seamless and smooth surfaces, ensuring that the surface of the vase-type pier formed by casting with the steel formwork using the fair-faced concrete technology is smooth and easy to demould; the forming surface of the pier cap main panel 11 is smoothly spliced ​​with the forming surface of the pier cap web 12, the forming surface of the transition main panel 21 is smoothly spliced ​​with the forming surface of the transition web 22, the forming surface of the pier body main panel 31 is smoothly spliced ​​with the forming surface of the pier body web 32, the forming surface of the pier cap main panel 11, the forming surface of the transition main panel 21, and the forming surface of the pier body main panel 31 are smoothly spliced ​​from top to bottom in sequence, and the forming surface of the pier cap web 12, the forming surface of the transition web 22, and the forming surface of the pier body web 32 are smoothly spliced ​​in sequence from top to bottom.

[0035] The mounting surface of the pier cap main panel 11, the mounting surface of the pier cap web 12, the mounting surface of the annular molding plate 13, the mounting surface of the transition main panel 21, the mounting surface of the transition web 22, the mounting surface of the pier body main panel 31, and the mounting surface of the pier body web 32 are all fixedly connected with grid-type ribs 4. On the one hand, the grid-type ribs increase the strength of the steel formwork, and on the other hand, facilitate the assembly connection between the modules, as well as the use of support parts to support and fix the steel formwork; the grid-type ribs 4 are fixedly connected with lifting ears 41 for facilitating the lifting of the steel formwork.

[0036] A plurality of first mounting holes are respectively provided on the top and bottom of the grid-type rib plate 4, and a plurality of second mounting holes are respectively provided on both sides of the grid-type rib plate 4. Two grid-type rib plates 4 adjacent to each other are connected by means of a first screw and a first nut which are threaded together, and the stem of the first screw is inserted into two first mounting holes which are adjacent to each other and coaxially, and two grid-type rib plates 4 adjacent to each other on the left and right are connected by means of a second screw and a second nut which are threaded together, and the stem of the second screw is inserted into two second mounting holes which are adjacent to each other and coaxially on the left and right.

[0037] A first straight-line first connecting beam 5 extending laterally is fixedly connected to the mounting surface of the pier cap main panel 11, the mounting surface of the transition main panel 21 and the mounting surface of the pier body main panel 31, and a second arc-shaped second connecting beam 7 extending laterally is fixedly connected to the mounting surface of the pier cap web 12, the mounting surface of the transition web 22 and the mounting surface of the pier body web 32, respectively. A first connecting seat 6 having a third mounting hole is fixedly connected to both ends of the first connecting beam 5, a second connecting seat 8 having a fourth mounting hole is fixedly connected to both ends of the second connecting beam 7, and the first connecting seat 6 is connected to the adjacent second connecting seat 8 by a first pair of tie rods 9, and the screws of the first pair of tie rods 9 are inserted into adjacent and coaxial third and fourth mounting holes.

[0038] A second pair of tie rods 10 are respectively installed between the two front-and-rear symmetrical pier cap main panels 11, between the two front-and-rear symmetrical transition main panels 21, and between the two front-and-rear symmetrical pier body main panels 31. The second pair of tie rods 10 are used to prevent the two front-and-rear symmetrical pier cap main panels 11, the two front-and-rear symmetrical transition main panels 21, and the two front-and-rear symmetrical pier body main panels 31 from being squeezed by concrete during pouring, causing the spacing between them to become larger.

[0039] The cross-sections of the pier cap steel formwork section 1, the transition steel formwork section 2, and the pier body steel formwork section 3 are all oval-shaped. The width of the pier cap steel formwork section 1 in the left-right direction and the width of the transition steel formwork section 2 in the left-right direction both gradually increase from bottom to top, and the width of the pier body steel formwork section 3 in the left-right direction is the same from bottom to top.

[0040] By rationally setting the assembly structure of the steel formwork, the vertical joints of the internal forming surface of the steel formwork are reduced, and the horizontal joints of the internal forming surface of the steel formwork are set at the junction of the plane and the curved surface, so that the joints of the steel formwork are combined with the outer shape of the vase-shaped pier to be cast and reasonably arranged.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A steel formwork for casting vase-shaped bridge piers. Features: The steel formwork comprises a group of pier cap steel formwork sections, a group of transition steel formwork sections, and at least one group of pier body steel formwork sections which are sequentially spliced ​​and installed from top to bottom. The pier cap steel formwork sections, transition steel formwork sections, and pier body steel formwork sections enclose a casting molding cavity for casting vase-type bridge piers; the pier cap steel formwork section comprises two front-to-back symmetrical planar pier cap main panels, two left-to-right symmetrical curved surface pier cap webs, and an annular molding plate, the two pier cap main panels are respectively installed between the two pier cap webs, and the annular molding plate is installed between the two pier cap main panels; the transition steel formwork section comprises two front-to-back symmetrical planar transition main panels, two left-to-right symmetrical curved surface transition webs, and the two transition main panels are respectively installed between the two transition webs; the pier body steel formwork section comprises two front-to-back symmetrical planar pier body main panels, two left-to-right symmetrical curved surface pier body webs, and the two pier body main panels are respectively installed between the two pier body webs.

2. The steel formwork according to claim 1, Features: A hollow hole is reserved in the middle of the main panel of the pier cap, and the hollow hole is communicated with the cavity in the middle of the annular molding plate.

3. The steel formwork according to claim 2, Features: The longitudinal sections of the annular molding plate and the hollow holes are both inverted triangles.

4. The steel formwork according to claim 2, Features: A plurality of screw holes are respectively provided at the front and rear ends of the annular molding plate, and a plurality of circular through holes are provided around the hollow holes on the main panel of the pier cap. The screw holes are connected to adjacent and coaxial circular through holes with half-thread bolts.

5. The steel formwork according to claim 1, Features: The lower part of the forming surface of the pier cap main panel is provided with a first raised strip protruding toward the center direction of the pier cap steel formwork section, the forming surface of the transition main panel is provided with a second raised strip protruding toward the center direction of the transition steel formwork section, and the forming surface of the pier body main panel is provided with a third raised strip protruding toward the center direction of the pier body steel formwork section. The forming surfaces of the first raised strip, the second raised strip, and the third raised strip located in the same vertical direction are smoothly connected from top to bottom in sequence, and the cross sections of the first raised strip, the second raised strip, and the third raised strip are all "convex" shaped.

6. The steel formwork according to claim 1, Features: The forming surface of the pier cap main panel, the forming surface of the pier cap web, the forming surface of the annular molding plate, the forming surface of the transition main panel, the forming surface of the transition web, the forming surface of the pier body main panel, and the forming surface of the pier body web are all seamless and smooth surfaces; the forming surface of the pier cap main panel and the forming surface of the pier cap web are smoothly spliced, the forming surface of the transition main panel and the forming surface of the transition web are smoothly spliced, the forming surface of the pier body main panel and the forming surface of the pier body web are smoothly spliced, the forming surface of the pier cap main panel, the forming surface of the transition main panel, and the forming surface of the pier body main panel are smoothly spliced ​​from top to bottom in sequence, and the forming surface of the pier cap web, the forming surface of the transition web, and the forming surface of the pier body web are smoothly spliced ​​from top to bottom in sequence.

7. The steel formwork according to claim 1, Features: The mounting surface of the pier cap main panel, the mounting surface of the pier cap web, the mounting surface of the annular molding plate, the mounting surface of the transition main panel, the mounting surface of the transition web, the mounting surface of the pier body main panel, and the mounting surface of the pier body web are all fixedly connected with grid-type ribs; a plurality of first mounting holes are respectively provided on the top and bottom of the grid-type ribs, a plurality of second mounting holes are respectively provided on both sides of the grid-type ribs, two grid-type ribs adjacent to each other are connected by a first screw and a first nut screwed together, the rod of the first screw is sleeved in two first mounting holes adjacent to each other and coaxially, and two grid-type ribs adjacent to each other on the left and right are connected by a second screw and a second nut screwed together, the rod of the second screw is sleeved in two second mounting holes adjacent to each other and coaxially.

8. The steel formwork according to claim 1, Features: The mounting surfaces of the pier cap main panel, the transition main panel and the pier body main panel are respectively fixedly connected with laterally extending straight first connecting beams, the mounting surfaces of the pier cap web, the transition web and the pier body web are respectively fixedly connected with laterally extending arc-shaped second connecting beams, the two ends of the first connecting beam are respectively fixedly connected with a first connecting seat having a third mounting hole, the two ends of the second connecting beam are respectively fixedly connected with a second connecting seat having a fourth mounting hole, the first connecting seat is connected to the adjacent second connecting seat by a first pair of tie rods, the screws of the first pair of tie rods are sleeved in adjacent and coaxial third mounting holes and fourth mounting holes.

9. The steel formwork according to claim 1, Features: A second pair of tie rods is respectively installed between two front-to-back symmetrical pier cap main panels, between two front-to-back symmetrical transition main panels, and between two front-to-back symmetrical pier body main panels.

10. The steel formwork according to claim 1, Features: The cross-sections of the pier cap steel formwork section, the transition steel formwork section, and the pier body steel formwork section are all oval-shaped. The left-right widths of the pier cap steel formwork section and the left-right widths of the transition steel formwork section gradually increase from bottom to top, and the left-right widths of the pier body steel formwork section are the same from bottom to top.

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