Bottom die for upper column pier of anti-seismic support
By designing the bottom formwork of the column pier for seismic bearings and utilizing a combination structure of support platform and threaded support pipe, the problem of difficult top formwork support for seismic bearings was solved, achieving stable formwork support and convenient operation, and avoiding leakage during pouring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-24
AI Technical Summary
In existing technologies, the upper support pier at the top of the seismic bearing is difficult to support and not securely fixed, which can easily lead to leakage during the pouring process.
A seismic bearing upper column pier bottom formwork was designed, including a support platform, a concrete bearing surface, a enclosure, a support column, and a threaded support pipe. The splicing frame is connected by connectors, and the tightness is adjusted by the threaded support pipe to ensure that the formwork is firmly fixed.
It achieves stable formwork support for column piers on seismic bearings, avoids leakage during the pouring process, and improves operational convenience and reusability.
Smart Images

Figure CN224032162U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building mould technical field, concretely is a kind of anti-seismic support upper column pier bottom mould. BACKGROUND
[0002] With the development of construction industry, various measures to cope with natural disasters have been applied and popularized, effectively reducing the damage degree of natural disasters and protecting people's life and property safety. In recent years, the state has put forward higher requirements on anti-seismic and disaster mitigation for building engineering, especially public buildings, among which various anti-seismic and isolation technology measures are more popular. In order to meet the anti-seismic requirements of public buildings, an isolation layer needs to be set between the basement and the main building. The isolation layer is similar to the interlayer in the residence, and an anti-seismic support needs to be added to all reinforced concrete structure columns in the isolation layer. The anti-seismic support is to set an anti-seismic support between the underground structure and the above-ground structure of the building, so that the main structure and the foundation form two independent free ends, which play a buffering role under the action of earthquake load and restore displacement after the earthquake, thereby playing the role of anti-seismic, energy dissipation and shock absorption, and improving the anti-seismic capacity of the building. In building construction, the upper column pier cap is usually larger than the conventional size of the support plate on each side by 5cm. If the traditional formwork method is used, it is difficult and insecure to fix due to the narrowness of the formwork, and leakage often occurs during the pouring of the upper support pier. CONTENT OF THE UTILITY MODEL
[0003] The utility model provides an anti-seismic support upper column pier bottom mould, which aims to solve the technical problems of difficult formwork of the upper support pier on the top of the anti-seismic support and the risk of leakage in the prior art.
[0004] The utility model provides an anti-seismic support upper column pier bottom mould, which includes an upper anti-seismic support fixedly connected to the ground. A support upper flange plate is arranged on the top of the anti-seismic support. A bottom film support seat is sleeved on the support upper flange plate. The bottom film support seat includes four spliced frames. Each spliced frame includes a concrete receiving surface and an enclosure. The concrete receiving surface is abutted to the side surface of the support upper flange plate at one side edge. The other side edge of the concrete receiving surface extends away from the anti-seismic support to form an enclosure. A support table is arranged on the side of the concrete receiving surface abutted to the support upper flange plate. The support table is arranged on the lower surface of the support upper flange plate. A connecting piece is arranged between each concrete receiving surface.
[0005] Further, a support column is arranged on the lower surface of each concrete receiving surface.
[0006] Further, a threaded support pipe is movably connected to the bottom of each support column. Threaded holes are formed in the side surface of the threaded support pipe. Limiting bolts are arranged in the threaded holes.
[0007] Further, the connecting piece comprises a plurality of fixed seats and a plurality of hinged seats; the fixed seat and the hinged seat are respectively fixedly connected to the abutting position of the lower surface of each two adjacent concrete receiving surfaces; each fixed seat is oppositely arranged with the corresponding hinged seat; the hinged seat is respectively hinged with two connecting columns; the connecting column is arranged in the fixed seat, and the end of the connecting column penetrating out of the fixed seat is sleeved with a nut.
[0008] Further, the hinged seat is respectively provided with a rectangular movable slot on both sides, and the hinged end of each connecting column is fixedly connected in the rectangular movable slot; the rectangular movable slot is a blind slot.
[0009] Further, the fixed seat is provided with a movable slot on both sides, the movable slot is a three-side opening through slot, the width of the movable slot is slightly larger than the diameter of the connecting column, and the width of the movable slot is smaller than the diameter of the nut.
[0010] The utility model at least has following beneficial effect:
[0011] The utility model provides a kind of upper column pier bottom mould of seismic support, and the flange plate side surface of support is abutted in by supporting table, and top steel mesh and cement pouring are received by concrete receiving surface, it is guaranteed that it will not leak when pouring above. When formwork is supported, it can be supported by only rotating threaded support pipe after connecting piece is connected to splice frame, and the operation convenience is improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is one of the schematic diagram of the upper column pier bottom mould of seismic support described in the utility model;
[0013] Figure 2 It is the second schematic diagram of the upper column pier bottom mould of seismic support described in the utility model;
[0014] Figure 3 It is the third schematic diagram of the upper column pier bottom mould of seismic support described in the utility model;
[0015] Figure 4 It is the fourth schematic diagram of the upper column pier bottom mould of seismic support described in the utility model;
[0016] Figure 5 It is the fifth schematic diagram of the upper column pier bottom mould of seismic support described in the utility model.
[0017] In the drawing: 1, seismic support; 2, flange plate on support; 3, bottom mould support seat; 5, concrete receiving surface; 6, fence; 7, supporting table; 8, connecting piece; 9, support column; 10, threaded support pipe; 11, limit bolt; 12, hinged seat; 13, fixed seat; 14, rectangular movable slot; 15, connecting column; 16, fixed slot; 17, nut. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0019] In order to meet the seismic fortification requirements of public buildings, a seismic isolation layer needs to be arranged between the basement and the main building. The seismic isolation layer is similar to the interlayer in the residence. An anti-seismic support 1 is arranged in all reinforced concrete structure columns in the seismic isolation layer. The top and bottom of the anti-seismic support 1 are fixedly connected with the upper support pier and the lower support pier respectively. After the anti-seismic support 1 is connected with the lower support pier, the upper part of the anti-seismic support 1 needs to be bound with steel bars and then a formwork is supported for pouring the upper support pier.
[0020] Please refer to Figure 1 The utility model provides a kind of anti-seismic support 1 upper column pier bottom mould, including fixedly connected with the anti-seismic support 1 on ground;The top of the anti-seismic support 1 is provided with support upper flange plate 2, the support upper flange plate 2 is equipped with bottom film support seat 3, and the bottom film support seat 3 includes four spliced frames, each spliced frame includes concrete receiving surface 5 and enclosure 6, one side edge of the concrete receiving surface is abutted to the side surface of the support upper flange plate 2, and the other side edge of the concrete receiving surface 5 extends to the side away from the anti-seismic support 1 to form enclosure 6;Supporting table 7 is arranged on the side of the concrete receiving surface 5 abutted to the support upper flange plate 2, and the supporting table 7 is arranged on the lower surface of the support upper flange plate 2;Connecting piece 8 is arranged between each concrete receiving surface 5;Supporting column 9 is arranged on the lower surface of each concrete receiving surface 5;Threaded support pipe 10 is movably connected to the bottom of each supporting column 9;Threaded hole is formed in the side surface of the threaded support pipe 10, and limiting bolt 11 is arranged in the threaded hole.
[0021] Since the top of the general anti-seismic support 1 is connected with the upper support pier, the waste threaded steel bar is preferably used instead of the supporting column 9. The waste threaded steel bar is cut into corresponding size, and the upper end is welded at the bottom of the spliced frame. The threaded support pipe 10 is screwed on the lower end of the waste threaded steel bar. The tightening degree of the steel bar support is adjusted by the threaded support pipe 10. At the same time, the tightness is adjusted by the threaded support pipe 10 when the formwork is removed after the concrete is solidified, which is convenient for disassembly and reuse.
[0022] As an optional embodiment, each of the connecting pieces 8 comprises a hinged seat 12 and a fixed seat 13, each of the hinged seats 12 and the corresponding fixed seats 13 is arranged at the connecting position of the lower surface of each adjacent concrete receiving surface 5; rectangular movable grooves 14 are arranged on both sides of the hinged seat 12, a connecting column 15 is hinged in the rectangular movable groove 14, the connecting column 15 rotates horizontally along the hinged end; the hinged end of the connecting column 15 is arranged at one end of the rectangular movable groove 14 away from the fixed seat 13, the rectangular movable groove 14 is a blind groove, one side of the rectangular movable groove 14 facing the fixed seat 13 and the side away from the other rectangular movable groove 14 is open, the rotating angle of the movable end of the connecting column 15 is at least 90°; fixed grooves 16 are arranged on both sides of the fixed seat, the fixed groove 16 is a three-side open through groove, one end of each of the connecting columns 15 passes through the fixed groove 16 and is connected with a nut through threads; the width of the movable groove is slightly larger than the diameter of the connecting column 15, and the width of the movable groove is smaller than the diameter of the nut.
[0023] As an implementable example, four splicing frames are spliced into two right-angle splicing frames, and the two right-angle splicing frames are fixedly connected through two connecting pieces.
[0024] As an implementable example, four splicing frames are spliced into two right-angle splicing frames, and the two right-angle splicing frames are fixedly connected through two connecting pieces.
Claims
1. A seismic bearing upper column pier bottom formwork, comprising an upper seismic bearing (1) fixedly connected to the ground; characterized in that, The seismic bearing (1) is provided with an upper flange plate (2) on top. The upper flange plate (2) is fitted with a bottom membrane support (3). The bottom membrane support (3) includes four splicing frames. Each splicing frame includes a concrete bearing surface (5) and a enclosure (6). One edge of the concrete bearing surface (5) abuts against the side surface of the upper flange plate (2). The other edge of the concrete bearing surface (5) extends away from the seismic bearing (1) to form the enclosure (6). A support platform (7) is provided on the side of the concrete bearing surface (5) that abuts against the upper flange plate (2). The support platform (7) is provided on the lower surface of the upper flange plate (2). A connector (8) is provided between each concrete bearing surface (5).
2. The bottom formwork for an upper column pier of a seismic bearing according to claim 1, characterized in that, Each of the concrete bearing surfaces (5) is provided with a support column (9) on its lower surface.
3. The bottom formwork for an upper column pier of a seismic bearing according to claim 2, characterized in that, Each support column (9) is movably connected to a threaded support tube (10) at its bottom; the threaded support tube (10) has a threaded hole on its side surface, and a limit bolt (11) is installed in the threaded hole.
4. The bottom formwork for an upper column pier of a seismic bearing according to claim 1, characterized in that, The connector (8) includes multiple fixed seats (13) and multiple hinge seats (12); the fixed seats (13) and the hinge seats (12) are respectively fixedly connected to the abutment of the lower surface of each pair of adjacent concrete bearing surfaces (5); each fixed seat (13) is arranged opposite to the corresponding hinge seat (12); each hinge seat (12) is hinged to two connecting posts (15); the connecting posts (15) are inserted into the fixed seats (13), and a nut (17) is fitted on one end of the connecting post (15) that protrudes from the fixed seats (13).
5. The bottom formwork for an upper column pier of a seismic bearing according to claim 4, characterized in that, The hinge seat (12) has rectangular movable slots (14) on both sides. The hinge end of each connecting post (15) is fixedly connected to the rectangular movable slot (14). The rectangular movable slot (14) is a blind slot.
6. The bottom formwork for an upper column pier of a seismic bearing according to claim 4, characterized in that, The fixed base (13) has movable grooves on both sides. The movable grooves are through grooves with openings on three sides. The width of the movable grooves is slightly larger than the diameter of the connecting column (15) and smaller than the diameter of the nut (17).