Device for positioning foundation bolt
By setting up a combination structure of hollow steel components and positioning components on the foundation pit formwork, the problem of deflection and displacement of anchor bolts during concrete pouring was solved, ensuring the accuracy and stability of high-speed railway catenary construction.
Patent Information
- Application Number
- CN202520512071.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The anchor bolts of the overhead contact system of high-speed railways are prone to displacement or deflection during the concrete pouring process, which affects the construction accuracy.
The structure adopts a combination of frame and positioning components. The frame is a hollow steel component set above the foundation pit formwork. The positioning components include adjacent positioning plates and positioning holes for fixing anchor bolts and preventing deflection and displacement.
This effectively prevents the anchor bolts from deflecting and shifting during the concrete pouring process, ensuring the accuracy and stability of the high-speed railway overhead contact line construction.
Smart Images
Figure CN223951826U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of high speed railway contact net, especially relates to a device for positioning foundation bolt. BACKGROUND
[0002] The high speed railway contact net foundation pit is the basic engineering for installing contact net support post, anchor section joint and other equipment, and is an important component of the high speed railway power supply system, and directly influences power supply safety and train operation stability.
[0003] In the high speed railway contact net construction, foundation pit excavation, foundation bolt installation and concrete pouring are key links. Firstly, the support post foundation position is accurately positioned by using the total station according to the design drawing, the foundation pit is mechanically excavated to the design depth, the base is manually trimmed and floating soil is cleaned, and when soft soil foundation or underground water is encountered, supporting or dewatering measures need to be added. Then, the cushion layer is laid on the base and the formwork is erected, the formwork is accurately installed and positioned according to the design spacing of the foundation bolt, the embedded foundation bolt is fixed through the anchor plate, the position accuracy of the bolt is ensured to meet the requirements, and the exposed part of the bolt is protected against rust. High-strength micro-expansion concrete is used for concrete pouring, and the concrete is continuously poured in layers and is fully vibrated by using a vibrating rod, so that the bolt anchoring section is combined with the concrete in a dense manner, and after pouring is completed, geotextile is covered for moisture maintenance, three-dimensional coordinate re-measurement is simultaneously carried out, and finally a stable bearing for the contact net support post is formed, which meets the acceptance standard.
[0004] However, the existing foundation bolt of the high speed railway contact net is prone to displacement or deflection during concrete pouring, which affects the construction accuracy of the high speed railway contact net support post. UTILITY MODEL CONTENTS
[0005] The utility model aims at overcoming the deficiency that the foundation bolt of the high speed railway contact net is prone to displacement or deflection during concrete pouring in the prior art, and providing a device for positioning the foundation bolt.
[0006] In a first aspect, the utility model provides a device for positioning a foundation bolt, comprising:
[0007] A frame body, the frame body is a profile steel member, the frame body is a hollow structure, and the frame body is used for being arranged above the foundation pit formwork.
[0008] A positioning assembly, the positioning assembly is fixed to the frame body, the positioning assembly comprises at least two positioning plates arranged at intervals, and adjacent two positioning plates are provided with a positioning hole in correspondence, and the positioning hole is used for positioning the foundation bolt.
[0009] The frame body is a hollow structure, which is light and can avoid affecting the pouring foundation pit as much as possible. The positioning assembly comprises at least two oppositely arranged positioning plates, the positioning holes of the adjacent two positioning plates correspond in position, and the foundation bolt passes through the positioning hole of the positioning plate, so that the deflection or displacement of the foundation bolt can be avoided as much as possible during pouring, thereby facilitating the guarantee of the construction precision of the high-speed rail catenary.
[0010] Preferably, the frame body is an angle steel member, the positioning plate is connected to the inner surfaces of two oppositely arranged angle steels on both sides, the axis of the two angle steels is parallel, and the plane of the positioning plate is parallel to the plane of one of the flanges of the angle steel.
[0011] The positioning plate is connected to the inner surfaces of two oppositely arranged angle steels on both sides, and the plane of the positioning plate is parallel to the plane of one of the flanges of the angle steel, thereby facilitating the stability of the positioning plate, and thereby avoiding the displacement or deflection of the foundation bolt as much as possible during pouring of the concrete.
[0012] Preferably, the frame body is further provided with a fixing part, and the fixing part is used for connecting the foundation pit formwork.
[0013] The fixing part is used for connecting the foundation pit formwork, thereby avoiding displacement as much as possible during pouring, and facilitating the positional stability of the foundation bolt.
[0014] Preferably, a through hole is arranged on the fixing part, and a bolt passes through the through hole to fix the frame body to the foundation pit formwork.
[0015] Preferably, the frame body further comprises a reinforcing member, and the reinforcing member is connected to the positioning assembly at both ends.
[0016] The reinforcing member is connected to the positioning assembly at both ends, thereby facilitating the structural stability of the positioning assembly, and thereby avoiding the displacement or deflection of the foundation bolt as much as possible during pouring of the concrete.
[0017] Preferably, the planes of the adjacent two positioning plates are parallel.
[0018] The planes of the adjacent two positioning plates are parallel, thereby avoiding positional deviation of the positioning holes of the adjacent two positioning plates as much as possible, and thereby facilitating the positional accuracy of the foundation bolt.
[0019] Preferably, the frame body is a single-layer frame body, the cross section of the frame body is square, the number of the positioning assemblies is four, and the four positioning assemblies are arranged at the four corners of the cross section of the frame body.
[0020] Preferably, the positioning hole is a waist-shaped hole.
[0021] The positioning hole is a waist-shaped hole, which can adjust the position of the anchor bolt according to the soil condition, so as to change the distance between two adjacent anchor bolts. The positioning hole is a waist-shaped hole, so a nut or other device is needed to fix the position of the anchor bolt.
[0022] Preferably, the positioning hole is a cross-shaped hole.
[0023] The positioning hole is a cross-shaped hole, which can adjust the position of the anchor bolt according to the soil condition, so as to change the distance between two adjacent anchor bolts. The positioning hole is a cross-shaped hole, so a nut or other device is needed to fix the position of the anchor bolt.
[0024] Preferably, the positioning plate is detachably connected to the frame body.
[0025] The positioning plate is detachably connected to the frame body, so that the positioning plate can be removed or installed as needed, which is convenient for fixing the anchor bolt.
[0026] Compared with the prior art, the device has the following beneficial effects:
[0027] The utility model provides a device for positioning anchor bolt contains frame body and positioning component, wherein frame body is openwork section steel member for setting in the above of foundation pit formwork, frame body is openwork structure, light and can avoid affecting the pouring foundation pit as far as possible, wherein positioning component is fixed to frame body, contains at least two positioning plates, adjacent two positioning plates correspond to set up the positioning hole for accommodating anchor bolt, when pouring, as far as possible avoid the deflection or displacement of anchor bolt, benefit guaranteeing the construction precision of high speed railway contact net. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 is a device for positioning anchor bolt of the utility model Figure One ;
[0029] Figure 2 is a device for positioning anchor bolt of the utility model Figure Two ;
[0030] Figure 3 is a device for positioning anchor bolt of the utility model Figure Three ;
[0031] Figure: 1-positioning plate, 11-positioning hole, 2-frame body, 21-angle steel, 22-reinforcing member, 23-fixing part, 231-through hole. DETAILED DESCRIPTION
[0032] The utility model will be described in further detail below in combination with test examples and specific embodiments. However, this should not be understood as limiting the scope of the above-mentioned subject matter of the utility model to the following examples only, and any technology realized based on the content of the utility model falls within the scope of the utility model.
[0033] In the description of the embodiments of the utility model, the terms indicating the orientation or position relationship of "up", "down", "left", "right", "center", "inner", "outer", etc. are expressed based on the orientation or position relationship shown in the drawings, or the orientation or position relationship when the product / equipment / device of the utility model is usually used. These terms of orientation or position relationship are only used to facilitate the description of the utility model scheme or simplify the description in the embodiments, so as to enable the skilled person to quickly understand the scheme, and therefore cannot be understood as indicating or implying that a specific device / component / element must have a specific orientation or be constructed and operated in a specific position relationship, and therefore cannot be understood as limiting the utility model.
[0034] In addition, the terms "horizontal", "vertical", "overhanging", "parallel", etc. do not mean that the corresponding device / component / element must be absolutely horizontal or vertical or overhanging or parallel, but can be slightly inclined or deviated. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. Alternatively, it can be simplified to understand that the corresponding device / component / element is arranged in the direction of "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction, more preferably an error / deviation of ±8% or less, more preferably an error / deviation of ±6% or less, more preferably an error / deviation of ±5% or less, and more preferably an error / deviation of ±4% or less. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the utility model.
[0035] In addition, the terms "first", "second", "third", etc. in the terms are only used to distinguish the description of the same or similar components, and should not be understood as emphasizing or implying the relative importance of the specific components.
[0036] In addition, in the description of the embodiments of the utility model, "several", "a plurality of", "several" represent at least 2. It can be 2, 3, 4, 5, 6, 7, 8, 9, etc. in any case, or even more than 9.
[0037] Furthermore, in the description of the technical scheme of the utility model, unless otherwise explicitly specified / limited / limited, the terms "set", "install", "connect", "connect", "set", "lay", "arrange" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, which can be welding, riveting, bolting, screwing and other commonly used connecting means in the art. The connection can be mechanical connection, electrical connection or communication connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements.
[0038] Embodiment 1
[0039] As Figures 1 to 3 shown, a device for positioning anchor bolts, comprising:
[0040] The frame body 2 is a profile steel member, the frame body 2 is a hollow structure, and the frame body 2 is used for being arranged above the foundation pit formwork.
[0041] The positioning assembly is fixed to the frame body 2, and the positioning assembly comprises at least two positioning plates 1 arranged at intervals, and adjacent two positioning plates 1 are provided with positioning holes 11 correspondingly, and the positioning holes 11 are used for positioning anchor bolts.
[0042] In the embodiment, one positioning plate 1 is provided with four positioning holes 11, the four positioning holes 11 are arranged in an array, the interval between two positioning holes 11 in the same row is 150mm or 140mm, the interval between two positioning holes 11 in the same column is 150mm or 140mm, and the row distance and the column distance need to be equal. The frame body 2 is 2300mm long and 1500mm wide.
[0043] The frame body 2 is a hollow structure, which is light and can avoid affecting the pouring foundation pit as much as possible. The positioning assembly comprises at least two positioning plates 1 arranged oppositely, the positioning holes 11 of adjacent two positioning plates 1 correspond in position, and the anchor bolt passes through the positioning hole 11 of the positioning plate 1, so that the deflection or displacement of the anchor bolt can be avoided as much as possible during pouring, and the construction precision of the high-speed rail catenary can be ensured.
[0044] The frame body 2 is an angle steel component, the positioning plate 1 is connected to the inner surfaces of two oppositely arranged angle steels 21 on both sides, the axis of the two angle steels 21 is parallel, and the plane where the positioning plate 1 is located is parallel to the plane where one of the flanges of the angle steel 21 is located. In this embodiment, the plane where the two angle steels 21 on both sides of the positioning plate 1 are located is parallel to the plane where one of the flanges is located, and the plane where the other flange is located is perpendicular to the plane where the positioning plate 1 is located. The positioning plate 1 is connected to the inner surfaces of two oppositely arranged angle steels 21 on both sides, and the plane where the positioning plate 1 is located is parallel to the plane where one of the flanges of the angle steel 21 is located, which is beneficial to ensure the stability of the positioning plate 1, thereby avoiding displacement or deflection of the anchor bolt as much as possible during pouring of concrete.
[0045] In an optional embodiment, the frame body 2 further comprises a reinforcing member 22, and the two ends of the reinforcing member 22 are connected to the positioning assembly. In this embodiment, the reinforcing member 22 is connected to the outer surfaces of two oppositely arranged angle steels 21, and the axes of the two angle steels 21 are parallel to each other. The two ends of the reinforcing member 22 are connected to the positioning assembly, which is beneficial to improve the structural stability of the positioning assembly, thereby avoiding displacement or deflection of the anchor bolt as much as possible during pouring of concrete.
[0046] In an optional embodiment, the planes where the two adjacent positioning plates 1 are located are parallel. In this embodiment, one positioning assembly comprises two positioning plates 1, and the planes where the two positioning plates 1 are located are parallel. The planes where the two adjacent positioning plates 1 are located are parallel, which can avoid position deviation of the positioning holes 11 of the two adjacent positioning plates 1 as much as possible, and is beneficial to ensure the position accuracy of the anchor bolt.
[0047] In an optional embodiment, the frame body 2 is a single-layer frame body 2, the cross section of the frame body 2 is square, the number of the positioning assemblies is four, and the four positioning assemblies are arranged at the four corners of the cross section of the frame body 2.
[0048] In an optional embodiment, the positioning hole 11 is a waist-shaped hole, as shown in Figure 2 The positioning hole 11 is a waist-shaped hole, which can appropriately adjust the position of the anchor bolt according to the condition of the soil body, thereby changing the spacing of the two adjacent anchor bolts. The positioning hole 11 is a waist-shaped hole, so a nut or other device is needed to fix the position of the anchor bolt.
[0049] In an optional embodiment, the positioning hole 11 is a cross-shaped hole, as shown in Figure 3 The positioning hole 11 is a cross-shaped hole, which can appropriately adjust the position of the anchor bolt according to the condition of the soil body, thereby changing the spacing of the two adjacent anchor bolts. The positioning hole 11 is a cross-shaped hole, so a nut or other device is needed to fix the position of the anchor bolt.
[0050] In an optional embodiment, the frame body 2 is further provided with a fixing part 23 for connecting the foundation pit formwork. In this embodiment, the fixing part 23 protrudes from the frame body 2. The fixing part 23 is provided with a through hole 231, and a bolt passes through the through hole 231 to fix the frame body 2 to the foundation pit formwork.
[0051] In an optional embodiment, the positioning plate 1 is detachably connected to the frame body 2. The detachable connection of the positioning plate 1 to the frame body 2 enables the positioning plate 1 to be removed or installed as needed, thereby facilitating the fixing of the foundation bolt.
[0052] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A device for positioning anchor bolts, characterized in that, The utility model relates to a kind of base pit template support structure, including: frame body (2), the frame body (2) is section steel component, the frame body (2) is openwork structure, the frame body (2) is used to be arranged above base pit template;Positioning assembly is fixed to frame body (2), and the positioning assembly includes at least two positioning plates (1) arranged at intervals, two adjacent positioning plates (1) are correspondingly provided with positioning hole (11), and the positioning hole (11) is used to position anchor bolt. The frame body (2) is angle steel component, the positioning plate (1) is connected to the inner surface of two oppositely arranged angle steels (21) on both sides respectively, the axis of two angle steels (21) is parallel, and the plane where the positioning plate (1) is located and the plane where one of the flanges of the angle steel (21) is located are parallel. The frame body (2) is further provided with fixed part (23), and the fixed part (23) is used to connect the base pit template.
2. An apparatus for positioning foundation bolts according to claim 1, characterised in that, The fixed part (23) is provided with through hole (231), and bolt passes through the through hole (231) to fix the frame body (2) to the base pit template.
3. An apparatus for positioning foundation bolts according to claim 1, characterized in that The frame body (2) further includes reinforcing member (22), and the reinforcing member (22) is connected to the positioning assembly at both ends.
4. An apparatus for positioning foundation bolts according to claim 3, characterised in that, The planes of two adjacent positioning plates (1) are parallel.
5. A device for positioning foundation bolts according to any one of claims 1-4, characterized in that The frame body (2) is single-layer frame body (2), the cross section of the frame body (2) is square, the number of the positioning assembly is four, and four positioning assemblies are arranged at the four corners of the cross section of the frame body (2) respectively.
6. A device for positioning foundation bolts according to any one of claims 1-4, characterized in that The positioning hole (11) is a waist-shaped hole.
7. A device for positioning foundation bolts according to any one of claims 1-4, characterized in that The positioning hole (11) is a cross-shaped hole.
8. A device for positioning foundation bolts according to any one of claims 1-4, characterized in that The positioning plate (1) is detachably connected to the frame body (2).
9. A device for positioning foundation bolts according to any one of claims 1-4, characterized in that 10. A device for positioning foundation bolts according to any one of claims 1-4, characterized in that