Simple positioning device for rectangular latticed column in foundation pit supporting engineering

Abstract

The utility model provides a rectangular latticed column simple positioning device in foundation pit supporting engineering, which comprises a positioning frame, four latticed column connecting pieces and a metal protective cylinder, the positioning frame comprises a mounting frame, at least three horizontal positioning rods and four vertical head end connecting rods, the four latticed column connecting pieces are connected with the vertical head end connecting rods correspondingly, and the upper end of the metal protection barrel is connected with the lower ends of all the horizontal positioning rods in a clamped mode. According to the simple positioning device for the rectangular latticed column in the foundation pit supporting engineering, on the basis of accurate positioning of the metal protection barrel, the orientation, elevation and perpendicularity of the latticed column are kept stable in the processes of hoisting and lowering, concrete pouring and guide pipe pulling out, and accurate positioning of the latticed column is achieved; after concrete pouring is completed, the positioning frame can be separated from the latticed column connecting piece through the buckle structure, and after earth is excavated to the depth of the latticed column, the vertical head end connecting rod can be separated from the vertical tail end connecting rod through the buckle structure, so that recycling is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation construction, in particular to a simple positioning device for rectangular lattice columns in foundation pit support engineering. Background Art

[0002] Due to the shortage of urban land resources and limited site space in my country, as well as the need to meet the diversified building functions and reasonable requirements of building structures, super-high-rise buildings and deep and large foundation pit projects are becoming more and more common. The support system plays an important role in improving the overall stability of the foundation pit during the excavation of deep and large foundation pits and the construction of basements. In deep and large foundation pit projects, due to the large span of the support beam, lattice columns need to be set under the support beam as a vertical force-bearing structure.

[0003] The control of the orientation, elevation and verticality of the lattice column is the key to ensuring the construction quality of the lattice column piles. Its precise positioning directly affects the stability and bearing capacity of the entire foundation pit support system. If the lattice column deflects in different directions, it will cause difficulties in the subsequent reinforcement binding of the support beam construction; if the position of the lattice column exceeds the design allowable error, it will affect the position of the support beam fulcrum, causing the force direction to change and affecting the safety of the foundation pit; if the lattice column elevation is too small, it will not be able to connect with the upper support beam as a whole, and the elevation will be too large, which will increase the material cost; if the verticality deviation is large, it will increase the safety risk of the foundation pit support system. Therefore, only by ensuring the precise positioning of the lattice column can the subsequent construction process be carried out smoothly, avoiding construction delays and additional costs, extending the service life of the foundation pit project, and reducing safety hazards.

[0004] Since the top elevation of the lattice column is usually below the ground, and the size of the lattice column is smaller than the metal protective tube, it is difficult to achieve accurate positioning during the traditional process of lowering it into the hole by crane, and it is difficult to observe its positioning accuracy after lowering it; in addition, during the concrete pouring process, the lattice column has no fixing measures and is prone to disturbance and displacement, which will eventually affect its molding effect. Therefore, how to provide a rectangular lattice column positioning device that is accurate in positioning, reusable, and easy to construct is a problem that technicians in this field need to solve. Utility Model Content

[0005] The utility model aims to provide a simple positioning device for rectangular lattice columns in foundation pit support engineering, so as to solve the problems of inaccurate positioning and difficult construction of existing lattice columns.

[0006] The utility model provides a simple positioning device for rectangular lattice columns in foundation pit support projects, comprising a positioning frame, four lattice column connectors arranged at four corners of the lower end of the positioning frame, and a metal protective tube, wherein the positioning frame comprises a mounting frame, at least three horizontal positioning rods evenly spaced horizontally around the mounting frame, and four vertical head-end connecting rods arranged at four corners of the lower end of the positioning frame, the four lattice column connectors are respectively connected to one of the vertical head-end connecting rods, and the upper end of the metal protective tube is clamped with the lower ends of all the horizontal positioning rods.

[0007] Furthermore, a plurality of positioning slots are provided at intervals at the lower end of the horizontal positioning rod, and the upper end of the metal protection tube is clamped in the positioning slots of all the horizontal positioning rods.

[0008] Furthermore, a first locking hole is provided on the lower side of the vertical head-end connecting rod, and a locking bead is provided at a position of the lattice column connecting piece corresponding to the first locking hole.

[0009] Furthermore, the lattice column connecting member includes a plurality of vertical head-end connecting rods and vertical tail-end connecting rods, the plurality of vertical head-end connecting rods are detachably connected, and the vertical tail-end connecting rods are detachably connected to corresponding vertical head-end connecting rods.

[0010] Furthermore, the lattice column includes a plurality of angle steels and a plurality of tie plates, and the plurality of angle steels and the plurality of tie plates constitute a rectangular column.

[0011] Furthermore, the upper side of each of the vertical head-end connecting rods and the vertical tail-end connecting rods is provided with the locking bead, and the lower side of each of the vertical head-end connecting rods is provided with a second locking hole that cooperates with the locking bead.

[0012] Furthermore, the installation frame is a rectangular frame, the horizontal positioning rod is vertically connected to the installation frame, and the four vertical head-end connecting rods are vertically connected to four vertices of the installation frame.

[0013] The simple positioning device for rectangular lattice columns in the above-mentioned foundation pit support project stabilizes the lattice columns by utilizing the bite action of the positioning slots in the positioning frame and the metal protective tubes. The positioning slots of corresponding diameters can be selected for fixing according to the diameters of the metal protective tubes according to different column pile diameters required by the design. The number of vertical head end connecting rods can be selected for positioning elevations according to different elevations required by the design. On the basis of accurate positioning of the metal protective tubes, the orientation, elevation, and verticality of the lattice columns will remain stable during the processes of hoisting, lowering, concrete pouring, and guide tube extraction, thereby realizing accurate positioning of the lattice columns. After the concrete pouring is completed, the positioning frame can be disconnected from the lattice column connector using a snap-on structure, and after the excavation reaches the depth of the lattice column, the vertical head end connecting rod can be disconnected from the vertical end connecting rod through the snap-on structure for recycling and reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the three-dimensional structure of a simple positioning device for rectangular lattice columns provided in an embodiment of the utility model;

[0015] Figure 2 A schematic diagram of a positioning frame structure provided by an embodiment of the utility model;

[0016] Figure 3 A schematic diagram of the structure of the lattice column connecting member provided in an embodiment of the utility model;

[0017] Figure 4 A schematic diagram of the vertical head-end connecting rod structure provided by an embodiment of the utility model;

[0018] Figure 5 This is a schematic diagram of the vertical terminal connecting rod structure provided by an embodiment of the utility model.

[0019] Description of main component symbols:

[0020] 1-positioning frame, 11-horizontal positioning rod, 111-positioning slot, 12-installing frame, 13-vertical head end connecting rod, 131-first locking hole, 2-lattice column connecting piece, 21-vertical head end connecting rod, 22-vertical end connecting rod, 3-metal protective tube, 4-buckle structure, 41-second locking hole, 42-locking bead, 5-lattice column, 51-angle steel, 52-attachment plate.

[0021] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings. Several embodiments of the utility model are given in the drawings. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] See also Figures 1 to 5 The utility model provides a simple positioning device for rectangular lattice columns in foundation pit support engineering, comprising a positioning frame 1, four lattice column connectors 2 arranged at the four corners of the lower end of the positioning frame 1, and a metal protective tube 3. The positioning frame 1 comprises a mounting frame 12, at least three horizontal positioning rods 11 evenly spaced horizontally around the mounting frame 12, and four vertical head end connecting rods 13 arranged at the four corners of the lower end of the positioning frame 1. The four lattice column connectors 2 are respectively connected to one of the vertical head end connecting rods 13, and the upper end of the metal protective tube 3 is clamped with the lower ends of all the horizontal positioning rods 11.

[0026] The simple positioning device for rectangular lattice columns in the above-mentioned foundation pit support project utilizes the bite action of the positioning slots 111 in the positioning frame 1 and the metal protective tube 3 to stabilize the lattice column 5. The positioning slots 111 of corresponding diameters can be selected for fixing according to the diameters of the metal protective tube 3 according to different column pile diameters required by the design. The number, positioning, and elevation of the vertical head-end connecting rods 13 can be selected according to different elevations required by the design. On the basis of accurate positioning of the metal protective tube 3, the orientation, elevation, and verticality of the lattice column 5 will remain stable during the process of hoisting, lowering, concrete pouring, and catheter extraction, thereby achieving precise positioning of the lattice column 5.

[0027] Specifically, in the embodiment of the utility model, the lower end of the horizontal positioning rod is provided with a plurality of positioning slots 111 at intervals, and the upper end of the metal protection tube 3 is clamped in the positioning slots 11 of all the horizontal positioning rods 11. When in use, the positioning slots 111 of the corresponding diameter can be selected according to the diameter of the metal protection tube 3 for fixing, so that various types of metal protection tubes 3 can be fixed, thereby improving the application range of the product.

[0028] In an embodiment of the present invention, a first locking hole 131 is provided at the lower side of the vertical head-end connecting rod 13 , and a locking bead 42 is provided at a position of the lattice column connecting member 2 corresponding to the first locking hole 131 .

[0029] In one embodiment of the utility model, the lattice column connector 2 includes a plurality of vertical head-end connectors 21 and vertical terminal connectors 22, wherein the plurality of vertical head-end connectors 21 are detachably connected, and the vertical terminal connectors 22 are detachably connected to the corresponding vertical head-end connectors 21, so that the length of the lattice column connector 2 can be adjusted according to the length of the lattice column 51.

[0030] In one embodiment of the present invention, the lattice column 5 includes a plurality of angle steels 51 and a plurality of gusset plates 52 , and the plurality of angle steels 51 and the plurality of gusset plates 52 form a rectangular column.

[0031] In one embodiment of the utility model, each of the vertical head-end connecting rods 21 and the vertical tail connecting rods 22 is provided with a locking bead 42 on the upper side, and each of the vertical head-end connecting rods is provided with a second locking hole 41 cooperating with the locking bead 42 on the lower side, and the length adjustment of the lattice column connecting member 2 is achieved through the cooperation between the locking bead 42 and the second locking hole 41.

[0032] In one embodiment of the utility model, the mounting frame 12 is a rectangular frame, the horizontal positioning rod 11 is vertically connected to the mounting frame 12, and the four vertical head end connecting rods 13 are vertically connected to the four vertices of the mounting frame 12, so as to fix the four corners of the lattice column 5 through the four vertical head end connecting rods 21 respectively, thereby fixing the lattice column 5.

[0033] The simple positioning device for rectangular lattice columns in the above-mentioned foundation pit support project stabilizes the lattice column 2 by means of the bite action of the positioning slot 11 in the positioning frame 1 and the metal protective tube 3. The positioning slot 111 of the corresponding diameter can be selected for fixing according to the diameter of the metal protective tube 3 according to the different column pile diameters required by the design, and the number of vertical head end connecting rods 13 can be selected for positioning elevation according to the different elevations required by the design; on the basis of accurate positioning of the metal protective tube 3, the orientation, elevation and verticality of the lattice column 2 will remain stable during the process of hoisting and lowering, concrete pouring and catheter extraction, so as to realize the precise positioning of the lattice column 2; after the concrete pouring is completed, the positioning frame 1 can be disconnected from the lattice column 2 connector by means of the snap structure formed by the first lock hole 131 and the lock bead 42, and after the earthwork is excavated to the depth of the lattice column, the vertical head end connecting rod can be disconnected from the vertical end connecting rod by means of the snap structure, so as to realize recycling and reuse.

[0034] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A simple positioning device for rectangular lattice columns in foundation pit support engineering, characterized in that: It includes a positioning frame, four lattice column connecting parts arranged at the four corners of the lower end of the positioning frame, and a metal protective tube. The positioning frame includes a mounting frame, at least three horizontal positioning rods evenly spaced horizontally around the mounting frame, and four vertical head-end connecting rods arranged at the four corners of the lower end of the positioning frame. The four lattice column connecting parts are respectively connected to one of the vertical head-end connecting rods, and the upper end of the metal protective tube is clamped with the lower ends of all the horizontal positioning rods.

2. The simple positioning device for rectangular lattice columns in foundation pit support engineering according to claim 1 is characterized in that: A plurality of positioning slots are arranged at intervals at the lower end of the horizontal positioning rod, and the upper end of the metal protection tube is clamped in the positioning slots of all the horizontal positioning rods.

3. The simple positioning device for rectangular lattice columns in foundation pit support engineering according to claim 1 is characterized in that: A first locking hole is provided on the lower side of the vertical head-end connecting rod, and a locking bead is provided at a position of the lattice column connecting member corresponding to the first locking hole.

4. The simple positioning device for rectangular lattice columns in foundation pit support engineering according to claim 3 is characterized in that: The lattice column connecting member comprises a plurality of vertical head end connecting rods and a vertical tail end connecting rod, wherein the plurality of vertical head end connecting rods are detachably connected, and the vertical tail end connecting rods are detachably connected to the corresponding vertical head end connecting rods.

5. The simple positioning device for rectangular lattice columns in foundation pit support engineering according to claim 1, characterized in that: The lattice column comprises a plurality of angle steels and a plurality of gusset plates, and the plurality of angle steels and the plurality of gusset plates constitute a rectangular column.

6. The simple positioning device for rectangular lattice columns in foundation pit support engineering according to claim 4, characterized in that: The upper side of each of the vertical head-end connecting rods and the vertical tail-end connecting rods is provided with the locking bead, and the lower side of each of the vertical head-end connecting rods is provided with a second locking hole that cooperates with the locking bead.

7. The simple positioning device for rectangular lattice columns in foundation pit support engineering according to claim 1, characterized in that: The installation frame is a rectangular frame, the horizontal positioning rod is vertically connected to the installation frame, and the four vertical head end connecting rods are vertically connected to the four vertices of the installation frame.

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