Foundation bolt mounting and positioning device

Abstract

The utility model discloses a foundation bolt mounting and positioning device which is characterized in that a concrete cushion layer is arranged on the bottom surface of a foundation pit, and a stable reinforcing mesh is bound above the concrete cushion layer. And the stable reinforcing mesh is formed by crosswise binding a plurality of longitudinal reinforcing steel bars and a plurality of transverse reinforcing steel bars. A plurality of stabilizing reinforcing steel bars are vertically anchored in the concrete cushion layer and installed at the joint positions of the longitudinal reinforcing steel bars and the transverse reinforcing steel bars of the stabilizing reinforcing steel bar net, and the exposed parts of the stabilizing reinforcing steel bars are fixedly connected with the stabilizing reinforcing steel bar net. The lower end of the reinforcement cage is fixedly connected with the stable reinforcement mesh; and the foundation bolt mechanism is fixedly mounted in the reinforcement cage. Reinforcing ribs which are located above the upper positioning disc and are in the horizontal direction are further fixedly installed in the reinforcement cage. The reinforcing ribs are fixed to the upper positioning disc, and the ends of the reinforcing ribs are fixed to vertical steel bars of the reinforcement cage. According to the utility model, rapid positioning and installation can be realized, the field construction efficiency and the positioning accuracy are improved, and the stability of the whole structure is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to building installation technical field, concretely relates to a foundation bolt installation positioning device. BACKGROUND

[0002] In the steel structure engineering construction process, foundation bolt is mainly used for connecting with foundation, the upper half is closely connected with the steel structure main body engineering through the thread, and the lower half is anchored in the concrete to provide strong pulling force and shearing force, ensure the stability and safety of the building, and effectively prevent the displacement and inclination of the building in the use process.

[0003] The existing steel structure foundation bolt installation mode is mainly that after the completion of foundation reinforcement and formwork installation, the line is placed on the formwork, the positioning line on the bolt positioning plate and the line on the formwork are coincided after the line is placed, the bolt positioning plate is fixed, then the bolt is inserted into the positioning plate, and the elevation is adjusted and reinforced. According to the mode, since the number of bolts is large, the whole is heavy, and the manual insertion into the positioning plate is difficult, the positioning is very difficult to adjust, which often leads to the deviation of bolt installation precision, the late adjustment is difficult, and there is a safety hazard. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to provide a foundation bolt installation positioning device, to solve the technical problem of difficult foundation bolt installation positioning, and to further improve the stability and installation precision of the foundation bolt.

[0005] The technical scheme of the utility model is as follows:

[0006] A foundation bolt installation positioning device, comprising a foundation bolt mechanism and a positioning installation mechanism, the foundation bolt mechanism comprises upper and lower positioning discs which are parallel to each other, and a plurality of installation holes corresponding in position are formed in the upper and lower positioning discs; the foundation bolt mechanism further comprises foundation bolts which are consistent in number with the installation holes in the upper or lower positioning disc, the foundation bolts respectively pass through the corresponding installation holes in the upper and lower positioning discs and are fixedly connected with the upper and lower positioning discs, the positioning installation mechanism comprises a foundation pit and a reinforcement cage, the bottom surface of the foundation pit has a concrete cushion layer, and a stable reinforcement net is bound above the concrete cushion layer; the stable reinforcement net is composed of a plurality of longitudinal and transverse steel bars which are cross-bound; a plurality of stable steel bars are vertically anchored in the concrete cushion layer; the stable steel bars are installed at the position where the longitudinal and transverse steel bars of the stable reinforcement net meet, and the exposed parts of the stable steel bars are fixedly connected with the stable reinforcement net; the lower end of the reinforcement cage is fixedly connected with the stable reinforcement net; the foundation bolt mechanism is fixedly installed in the reinforcement cage; a reinforcing bar which is horizontally arranged above the upper positioning disc is further fixedly installed in the reinforcement cage; the reinforcing bar is fixed with the upper positioning disc and the end part is fixed with the vertical steel bar of the reinforcement cage.

[0007] Preferably, the upper positioning disc and the lower positioning disc each have at least two corresponding guide grooves on their edges; a base support is also fixedly installed on the stabilizing steel mesh, and a guide rod corresponding to the guide groove is fixedly installed on the base support; the lower end of the anchor bolt is fixedly connected to the base support.

[0008] Preferably, each side of the reinforcing cage is provided with a pair of intersecting diagonal reinforcing bars; the diagonal reinforcing bars are welded to the vertical reinforcing bars on the side of the reinforcing cage.

[0009] Preferably, a number of reinforcing steel bars are fixedly installed between the upper positioning disc and the lower positioning disc.

[0010] Preferably, the lower ends of the vertical reinforcing bars on each side wall of the reinforcing cage are bent outward at 90°, and the bent parts are fixedly connected to the stabilizing reinforcing mesh.

[0011] This utility model has the following beneficial effects:

[0012] First, the anchor bolt mechanism of this utility model is pre-assembled and hoisted into the pit before construction, which reduces labor intensity and improves on-site work efficiency and safety. This utility model anchors a stabilizing steel mesh in the concrete cushion layer of the foundation pit. The stabilizing steel bars are installed at the intersection of the longitudinal and transverse steel bars of the stabilizing steel mesh, and the exposed outer wall of the reinforcing steel mesh is fixedly connected to the stabilizing steel mesh, effectively preventing horizontal displacement of the stabilizing steel mesh during subsequent construction, which would affect the positioning accuracy of the anchor bolts. This utility model also adds reinforcing ribs, which are fixed to the upper positioning disc and whose ends are fixed to the vertical steel bars of the reinforcing cage. This further strengthens the connection strength between the reinforcing cage and the anchor bolt mechanism.

[0013] Secondly, this utility model, through the sliding guide cooperation between the guide groove on the anchor bolt mechanism and the guide rod on the positioning and installation mechanism, not only ensures the positioning accuracy, but also greatly reduces the difficulty of installation and construction. Attached Figure Description

[0014] Figure 1 This is a side view of the anchor bolt mechanism in an embodiment of the present utility model;

[0015] Figure 2 This is a top view of the positioning disc in the anchor bolt mechanism.

[0016] Figure 3 This is a side view of the positioning and installation mechanism in an embodiment of the present utility model.

[0017] Figure 4 A top view of the stabilizing steel mesh in the positioning and installation mechanism;

[0018] Figure 5 This is a top view schematic diagram of the connection relationship between the reinforcing cage and the anchor bolt mechanism in an embodiment of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1. Upper positioning disc; 2. Lower positioning disc; 3. Anchor bolt; 4. Reinforcing steel bar; 5. Mounting hole; 6. Guide groove; 7. Foundation pit; 8. Stabilizing steel mesh; 9. Stabilizing steel bar; 10. Steel cage; 10-1. Diagonal steel bar; 11. Bottom support; 12. Guide rod; 13. Reinforcing bar; 14. Concrete pad. Detailed Implementation

[0020] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0021] The embodiments of this utility model include Figure 1 The anchor bolt mechanism shown and Figure 3 The positioning and installation mechanism is shown.

[0022] like Figure 1 and Figure 2 The anchor bolt mechanism includes an annular upper positioning disk 1 and an annular lower positioning disk 2. The upper positioning disk 1 and the lower positioning disk 2 have the same diameter, are vertically aligned, and are parallel to each other. Each disk has several corresponding mounting holes 5. The mounting holes 5 are arranged symmetrically at equal intervals, with each mounting hole 5 on the upper positioning disk 1 and the lower positioning disk 2 corresponding to each other and vertically aligned. The anchor bolt mechanism also includes anchor bolts 3, each corresponding to a mounting hole 5 on either the upper positioning disk 1 or the lower positioning disk 2. Each anchor bolt 3 passes through the corresponding mounting hole 5 on both the upper positioning disk 1 and the lower positioning disk 2 and is fixedly connected to both.

[0023] like Figure 2 The outer sides of the upper positioning disk 1 and the lower positioning disk 2 are respectively provided with at least two (four in this embodiment) guide grooves 6 facing each other vertically. The guide grooves 6 are arc-shaped with openings on the outer side.

[0024] Furthermore, such as Figure 1 Several reinforcing steel bars 4 of different heights, forming an angle of 30-60° with the horizontal plane, are fixedly installed between the upper positioning disc 1 and the lower positioning disc 2. The upper end of the highest reinforcing steel bar 4 is fixed to the upper positioning disc 1, and the lower end is fixed to the anchor bolt 3. The lower end of the lowest reinforcing steel bar 4 is fixed to the lower positioning disc 2, and the upper end is fixed to the anchor bolt 3. The upper and lower ends of the reinforcing steel bars 4 of other heights are fixed to the anchor bolt 3 respectively.

[0025] like Figure 3 and Figure 4The positioning and mounting mechanism comprises a foundation pit 7, a concrete cushion 14 at the bottom end of the foundation pit 7, a stable reinforcing mesh 8 and a reinforcing cage 10. The bottom surface of the foundation pit 7 is provided with the concrete cushion 14, and the stable reinforcing mesh 8 is tied above the concrete cushion 14. The stable reinforcing mesh 8 is composed of a plurality of longitudinal steel bars and a plurality of transverse steel bars which are tied to each other at an intersection angle of 90°. A plurality of stable reinforcing bars 9 are vertically anchored in the concrete cushion 14. The stable reinforcing bars 9 are installed at the intersection positions of the longitudinal steel bars and the transverse steel bars of the stable reinforcing mesh 8, and the outer side walls of the exposed portions of the stable reinforcing bars 9 are fixedly connected with the stable reinforcing mesh 8, so as to prevent the stable reinforcing mesh 8 from being horizontally displaced during subsequent construction, thereby affecting the positioning accuracy of the foundation bolt.

[0026] Specifically, when the concrete cushion 14 is poured at the bottom surface of the foundation pit 7, the stable reinforcing bars 9 are pre-buried, the stable reinforcing mesh 8 is laid on the concrete cushion 14 after the concrete cushion 14 is hardened, and then the intersection positions of the longitudinal and transverse steel bars of the stable reinforcing mesh 8 are fixedly connected with the upper portions of the stable reinforcing bars 9, so as to prevent the stable reinforcing mesh 8 from being displaced.

[0027] As shown in Figure 3 , the stable reinforcing mesh 8 is further fixedly provided with the reinforcing cage 10. The reinforcing cage 10 is a cuboid with open upper and lower ends, and the side walls thereof are fixedly connected with a plurality of transverse steel bars and vertical steel bars. The vertical steel bars at the lower ends of each side wall of the reinforcing cage 10 are outwardly bent by 90°, and the bent portions are fixedly connected with the stable reinforcing mesh 8, so as to increase the contact area and the connection firmness between the reinforcing cage 10 and the stable reinforcing mesh 8, and further improve the overall stability of the stable reinforcing mesh 8.

[0028] Further, each side of the reinforcing cage 10 is respectively provided with a pair of intersecting inclined steel bars 10-1 which are welded with the vertical steel bars of the side of the reinforcing cage 10, so as to improve the overall strength of the reinforcing cage 10.

[0029] As shown in Figure 3 , the stable reinforcing mesh 8 is further fixedly provided with a bottom support 11 for placing and supporting the foundation bolt mechanism. The bottom support 11 is a circular ring, and the other function of the bottom support 11 is to serve as the bottom elevation of the foundation bolt.

[0030] In combination with Figure 3 and Figure 5 , the bottom support 11 is further fixedly provided with a guide rod 12 which is vertically arranged and cooperates with the guide groove 6. The cooperation means that when the foundation bolt mechanism is installed, the guide rod 12 is slid along the corresponding guide groove 6 from top to bottom, so as to realize convenient installation and accurate positioning of the foundation bolt mechanism.

[0031] Further, as shown in Figure 5The reinforcing cage 10 is further fixedly provided with a reinforcing rib 13 above the upper positioning disc 1 and horizontally extending, the reinforcing rib 13 is fixed with the upper positioning disc 1 and the end part is fixed with the vertical reinforcing rib of the reinforcing cage 10, thereby further enhancing the connecting strength between the reinforcing cage 10 and the anchor bolt mechanism.

[0032] The following is an example of the installation process of the utility model:

[0033] Firstly, each anchor bolt 3 is once passed through the mounting hole 5 of the upper positioning disc 1 and the lower positioning disc 2, and is welded and fixed, wherein the threaded end of the anchor bolt 3 is uniformly directed upwards; then the reinforcing steel bar 4 is welded between the upper positioning disc 1 and the lower positioning disc 2, and the assembly of the anchor bolt mechanism is completed.

[0034] Secondly, the concrete cushion 14 is poured on the bottom surface of the foundation pit 7 and the stable reinforcing rib 9 is pre-buried, and then the stable reinforcing mesh 8 is laid on the concrete cushion 14; after the concrete cushion 14 is hardened, the stable reinforcing mesh 8 is fixed and connected with the upper part of the stable reinforcing rib 9 at the longitudinal and transverse intersection points.

[0035] Thirdly, the bottom support 11 of the set height is installed on the stable reinforcing mesh 8, and then the guide rod 12 is fixedly installed on the bottom support 11.

[0036] Fourthly, the reinforcing cage 10 is installed on the stable reinforcing mesh 8, after the installation is completed, the anchor bolt mechanism is hoisted into the reinforcing cage 10, and the lower end of the anchor bolt 3 is welded and fixed on the bottom support 11. During the hoisting process, the guide rod 12 and the corresponding guide groove 6 are matched with each other, so that the convenient installation and accurate positioning of the anchor bolt mechanism are realized.

[0037] Fifthly, the reinforcing rib 13 is installed and welded, and the guide rod 12 is welded and fixed with the upper positioning disc 1 and the lower positioning disc 2.

[0038] Sixthly, the concrete is poured and maintained, and the overall installation is completed.

Claims

1. A foundation bolt mounting positioning device, comprising a foundation bolt mechanism and a positioning mounting mechanism, the foundation bolt mechanism comprises upper and lower positioning discs (1) and (2) which are parallel to each other, and a plurality of mounting holes (5) corresponding to positions are formed on the upper and lower positioning discs (1) and (2); the foundation bolt mechanism further comprises foundation bolts (3) which are consistent in number with the mounting holes (5) on the upper or lower positioning disc (1) or (2), the foundation bolts (3) respectively pass through the corresponding mounting holes (5) on the upper and lower positioning discs (1) and (2) and are fixedly connected with the upper and lower positioning discs (1) and (2), respectively, and the positioning mounting mechanism comprises a foundation pit (7) and a reinforcement cage (10), characterized in that: The bottom surface of the foundation pit (7) has a concrete cushion layer (14), and a stable reinforcement net (8) is bound above the concrete cushion layer (14); the stable reinforcement net (8) is composed of a plurality of longitudinal and transverse steel bars; a plurality of stable steel bars (9) are vertically anchored in the concrete cushion layer (14); the stable steel bars (9) are installed at the position where the longitudinal steel bars and the transverse steel bars of the stable reinforcement net (8) intersect, and the exposed part of the stable steel bars (9) is fixedly connected with the stable reinforcement net (8); the lower end of the steel cage (10) is fixedly connected with the stable reinforcement net (8); the anchor bolt mechanism is fixedly installed in the steel cage (10); the steel cage (10) further fixedly installs a reinforcing bar (13) above the upper positioning disc (1) and horizontally extending; the reinforcing bar (13) is fixed with the upper positioning disc (1) and the end part is fixed with the vertical steel bars of the steel cage (10).

2. An anchor bolt setting arrangement according to claim 1, wherein: At least two corresponding guide grooves (6) are formed at the edges of the upper positioning disc (1) and the lower positioning disc (2); the stable reinforcement net (8) further fixedly installs a bottom support (11), and the bottom support (11) fixedly installs a guide rod (12) corresponding to the guide groove (6); the lower end of the anchor bolt (3) is fixedly connected with the bottom support (11).

3. An anchor bolt installation positioning device as claimed in claim 1 wherein: Each side of the steel cage (10) is respectively provided with a pair of intercrossing inclined steel bars (10-1); the inclined steel bars (10-1) and the vertical steel bars of the side of the steel cage (10) are mutually welded.

4. An anchor bolt setting arrangement according to claim 1, wherein: A plurality of reinforcing steel bars (4) are fixedly installed between the upper positioning disc (1) and the lower positioning disc (2).

5. An anchor bolt setting arrangement according to claim 1 wherein: The lower end of the vertical steel bars of each side wall of the steel cage (10) is bent outward by 90°, and the bent part is fixedly connected with the stable reinforcement net (8).

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