Assembled anchor bolt positioning device and construction method

Abstract

The present invention discloses an assembled anchor bolt positioning device and a construction method, comprising an anchor bolt prefabricated block and a positioning and adjusting prefabricated base, wherein the bottom of the anchor bolt prefabricated block is connected to the top of the positioning and adjusting prefabricated base through a mortise and tenon structure, a plurality of anchor bolts are arranged on the anchor bolt prefabricated block, and the positioning and adjusting prefabricated base is provided with transverse and longitudinal adjustment screws for adjusting the horizontal position of the positioning and adjusting prefabricated base; the positioning and adjusting prefabricated base is provided with vertical screws around it, and the vertical screws are provided with adjustment nuts, and the height of the positioning and adjusting prefabricated base is adjusted by adjusting the adjustment nuts. During construction, the positioning and adjusting prefabricated base is first placed in a foundation pit, and after adjusting the height and horizontal position, the initial casting and fixing is performed, and then the anchor bolt prefabricated block is installed through the mortise and tenon structure, and then the overall casting is performed. The anchor bolt positioning and adjustment of the present invention is convenient, easy to install, has a small positioning error, good stability, and a small seismic response of the structure.

Description

Technical Field

[0001] The invention belongs to the technical field of building construction, and in particular relates to an assembled anchor bolt positioning device and a construction method. Background Art

[0002] Due to the advantages of steel structure such as light weight, high strength, strong ability to withstand impact and dynamic loads, outstanding compression and seismic performance, it has been widely used in construction in recent years. In the construction of factories, compared with traditional concrete factories, steel structure factories have significant advantages such as simple construction, short construction period, material and energy saving, durability and easy maintenance, and flexible spatial span. During the construction of steel structure factories, multiple anchor bolts are generally used to connect and fix the steel columns of the factory to the foundation. The anchor bolts are usually pre-buried in the foundation. However, when multiple anchor bolts are pre-buried, each anchor bolt needs to be positioned one by one. Not only is it difficult to ensure the elevation accuracy and horizontal position of the anchor bolts, but the installation error of a single anchor bolt is large, which affects the stability of the steel structure. In addition, the construction operation is complicated and the installation and positioning efficiency of the anchor bolts is low. Summary of the invention

[0003] In view of the deficiencies pointed out in the above background technology, the present invention provides an assembled anchor bolt positioning device and a construction method, aiming to solve the problems existing in the prior art in the above background technology.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] An assembled anchor bolt positioning device is composed of two prefabricated parts, which are divided into an upper structure and a lower structure. The upper structure is an anchor bolt prefabricated block, and the lower structure is a positioning and adjusting prefabricated base. The bottom of the anchor bolt prefabricated block is connected to the top of the positioning and adjusting prefabricated base through a mortise and tenon structure. A plurality of anchor bolts are arranged on the anchor bolt prefabricated block. The positioning and adjusting prefabricated base is provided with horizontal transverse screw holes and longitudinal screw holes, and the transverse screw holes and the longitudinal screw holes are not in the same plane. A transverse screw rod is arranged in the transverse screw hole, and a longitudinal screw rod is arranged in the longitudinal screw hole. To facilitate the rotation of the transverse screw rod and the longitudinal screw rod, fixing nuts are respectively welded at the ends of the two screw rods, and the corresponding screw rod can be rotated by twisting the nuts. Vertical screw holes are arranged around the positioning and adjusting prefabricated base, and vertical screw rods are arranged in the vertical screw holes, and adjusting nuts are arranged on the vertical screw rods.

[0006] Preferably, the adjusting nut is provided with a plurality of clamps, the top surface of which is clamped on the top surface of the adjusting nut, the top surface of which is provided with a through hole through which the vertical screw rod extends, and the bottom ends of both sides of the plurality of clamps are fixed to the top surface of the positioning and adjusting prefabricated base. When the positioning and adjusting prefabricated base is adjusted upward by the adjusting nut, the plurality of clamps can be used to ensure that the positioning and adjusting prefabricated base moves upward together with the adjusting nut during the adjustment process.

[0007] Preferably, rubber layers are provided around the prefabricated anchor bolt block and on the bottom surface of the positioning and adjusting prefabricated base, respectively, to achieve the effect of energy dissipation and shock absorption, thereby increasing the seismic resistance of the structure.

[0008] The present invention further provides a construction method for the above-mentioned assembled anchor bolt positioning device, which comprises the following steps:

[0009] (1) Prefabricate the anchor bolt prefabricated block and the positioning adjustment prefabricated base. After prefabrication, the two prefabricated parts are combined into a whole through the mortise and tenon structure and transported to the construction site;

[0010] (2) Measure the installation position of the anchor bolts, excavate the foundation pit for the anchor bolts according to the length of the transverse screw and the longitudinal screw in the positioning and adjusting prefabricated base, and then place the positioning and adjusting prefabricated base in the foundation pit. The two ends of the transverse screw and the longitudinal screw are respectively against the two opposite side walls of the foundation pit, so that the transverse screw and the longitudinal screw can effectively adjust the horizontal position of the positioning and adjusting prefabricated base. First, adjust the travel height, turn the adjusting nut, and adjust the length of the vertical screw extending from the bottom of the positioning and adjusting prefabricated base according to the measured height, so that the positioning and adjusting prefabricated base moves vertically, and the height of the positioning and adjusting prefabricated base is adjusted; then adjust the horizontal position, respectively rotate the transverse screw and the longitudinal screw, so that the positioning and adjusting prefabricated base moves horizontally, and the horizontal position of the positioning and adjusting prefabricated base is adjusted;

[0011] (3) After the positioning and adjustment of the prefabricated base is completed, pouring is first carried out to fix the bottom and surrounding of the positioning and adjustment prefabricated base to the foundation pit; then the prefabricated anchor bolt block is installed on the positioning and adjustment prefabricated base through the mortise and tenon structure, and then a second integral pouring is carried out to complete the positioning and installation of the anchor bolt.

[0012] Preferably, before the positioning and adjusting prefabricated base is placed in the anchor bolt installation pit, a layer of balls is laid in the anchor bolt installation pit, and then the positioning and adjusting prefabricated base is placed on the balls in the anchor bolt installation pit. By laying balls at the bottom of the pit, the friction of the horizontal movement of the positioning and adjusting prefabricated base can be reduced, which facilitates the adjustment of the horizontal displacement.

[0013] Compared with the shortcomings and deficiencies of the prior art, the present invention has the following beneficial effects:

[0014] The assembled anchor bolt positioning device provided by the present invention positions and installs the anchor bolts through the upper and lower prefabricated parts. The two prefabricated parts are connected by a mortise and tenon structure, which is convenient for transportation and installation, and can offset a certain amount of seismic energy through deformation under seismic load, thereby reducing the seismic response of the structure. Multiple anchor bolts are arranged in the upper prefabricated part, which reduces the construction process and avoids the error caused by the installation of a single anchor bolt; the lower prefabricated part is used for adjustment and positioning, and a light structure can be adopted to facilitate the adjustment of the horizontal position and height. During positioning and installation, the lower prefabricated part is first used for adjustment and positioning, and after the positioning is completed, it is cast and fixed, and then the upper prefabricated part with the anchor bolts is installed through the mortise and tenon structure, and then the whole is cast, which is convenient for adjustment and positioning, and can ensure that the anchor bolts will not be displaced and cause errors during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an assembled anchor bolt positioning device provided in an embodiment of the present invention.

[0016] Figure 2 It is a structural schematic diagram of the anchor bolt prefabricated block provided in an embodiment of the present invention.

[0017] Figure 3 It is a structural schematic diagram of a positioning and adjusting prefabricated base provided in an embodiment of the present invention.

[0018] Figure 4 It is a structural schematic diagram of a positioning and adjusting prefabricated base provided with several types of clamps provided in an embodiment of the present invention.

[0019] Figure 5 It is a schematic diagram of the structures of several types of card components provided in an embodiment of the present invention.

[0020] Figure 6 It is a schematic diagram of the installation structure of the positioning and adjusting prefabricated base provided in an embodiment of the present invention.

[0021] In the figure: 1-prefabricated anchor bolt block; 2-positioning and adjusting prefabricated base; 3-anchor bolt; 4-vertical screw; 5-adjusting nut; 6-transverse screw; 7-longitudinal screw; 8-tenon; 9-mortise; 10-rubber layer; 11-type clamp; 12-fixing nut; 13-foundation pit; 14-ball. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] Reference Figure 1-3An assembled anchor bolt positioning device is composed of two upper and lower prefabricated parts, the upper part is an anchor bolt prefabricated block 1, and the lower part is a light positioning and adjusting prefabricated base 2. According to the number of anchor bolts 3 to be installed, a corresponding number of anchor bolts 3 are set when making the anchor bolt prefabricated block 1. The bottom of the anchor bolt prefabricated block 1 is provided with a mortise and tenon 9, and the upper bottom surface of the positioning and adjusting prefabricated base 2 is provided with a tenon 8 corresponding to the mortise and tenon 9. The anchor bolt prefabricated block 1 and the positioning and adjusting prefabricated base 2 are connected by a mortise and tenon structure, which can not only withstand a large load, but also allow a certain deformation. Under seismic loads, the deformation can offset a certain amount of seismic energy and reduce the seismic response of the structure. The four sides of the anchor bolt prefabricated block 1 and the bottom surface of the positioning and adjusting prefabricated base 2 are respectively provided with rubber layers 10 to achieve the effect of energy dissipation and shock absorption, and increase the seismic performance of the structure.

[0024] Reference Figure 3 , the positioning and adjustment prefabricated base 2 is provided with horizontal transverse screw holes and longitudinal screw holes, and the transverse screw holes and the longitudinal screw holes are not in the same plane, the transverse screw holes are provided with transverse screw rods 6, and the longitudinal screw holes are provided with longitudinal screw rods 7. Both ends of the transverse screw rods 6 and the longitudinal screw rods 7 extend out of the positioning and adjustment prefabricated base 2, and the transverse screw rods 6 and the longitudinal screw rods 7 are respectively rotated to drive the positioning and adjustment prefabricated base 2 to undergo horizontal displacement, thereby achieving the adjustment of the horizontal position of the positioning and adjustment prefabricated base 2. The positioning and adjustment prefabricated base 2 is provided with vertical screw holes around, and the vertical screw holes are provided with vertical screw rods 4, and the vertical screw rods 4 are provided with adjustment nuts 5. By screwing the adjustment nuts 5, the length of the vertical screw rods 4 extending out of the bottom of the positioning and adjustment prefabricated base 2 can be adjusted to achieve the adjustment of the height of the positioning and adjustment prefabricated base 2.

[0025] When the positioning and adjusting prefabricated base 2 is adjusted upward, in order to enable the positioning and adjusting prefabricated base 2 and the adjusting nut 5 to move upward at the same time, a plurality of clamping pieces 11 are provided on the adjusting nut 5 (refer to Figure 5 ), the top surface of the several-shaped clamp 11 is clamped on the top surface of the adjusting nut 5. At the same time, the top surface of the several-shaped clamp 11 is provided with a through hole extending from the vertical screw 4. The bottom ends of both sides of the several-shaped clamp 11 are fixed to the top surface of the positioning and adjusting prefabricated base 2 by welding or bolts. Figure 4 , which facilitates the positioning and adjustment of the height of the prefabricated base 2.

[0026] The construction method of the above-mentioned assembled anchor bolt positioning device is as follows:

[0027] (1) The anchor bolt prefabricated block 1 and the positioning adjustment prefabricated base 2 are prefabricated in the factory. After the prefabrication is completed, the anchor bolt prefabricated block 1 and the positioning adjustment prefabricated base 2 are combined into a whole through a mortise and tenon structure for transportation. The transportation is convenient and the installation is carried out after the transportation to the construction site.

[0028] (2) Measure the installation position of the anchor bolts, and excavate the foundation pit 13 for the installation of the anchor bolts according to the length of the transverse screw rod 6 and the longitudinal screw rod 7 in the positioning and adjusting prefabricated base 2. After the foundation pit 13 is excavated, a layer of ball bearings 14 is laid in the foundation pit 13, and then the positioning and adjusting prefabricated base 2 is placed on the ball bearings 14 in the foundation pit 13. Figure 6 As shown. By laying the ball bearings 14 at the bottom of the foundation pit 13, the friction of the horizontal movement of the positioning and adjusting prefabricated base 2 can be reduced, which facilitates the adjustment of the horizontal displacement. After the positioning and adjusting prefabricated base 2 is placed in the foundation pit 13, the two ends of the transverse screw 6 and the longitudinal screw 7 are respectively pressed against the two opposite side walls of the foundation pit 13, and then the adjusting nut 5 is screwed to adjust the length of the vertical screw 4 extending below the positioning and adjusting prefabricated base 2 according to the measured height, so that the positioning and adjusting prefabricated base 2 moves vertically, and the height of the positioning and adjusting prefabricated base 2 is adjusted.

[0029] (3) After the height positioning of the prefabricated base 2 is completed, the transverse screw 6 and the longitudinal screw 7 are rotated respectively to make the prefabricated base 2 move horizontally, thereby adjusting the horizontal position of the prefabricated base 2; in order to facilitate the rotation of the transverse screw 6 and the longitudinal screw 7, a fixing nut 12 is welded at the end of the transverse screw 6 and the longitudinal screw 7, and the corresponding screw can be rotated by turning the nut.

[0030] (4) After the height and horizontal position of the positioning and adjustment prefabricated base 2 are positioned, the first pouring is performed to cast and fix the bottom and surrounding of the positioning and adjustment prefabricated base 2 to the foundation pit 13; then the anchor bolt prefabricated block 1 is installed on the positioning and adjustment prefabricated base 2 through the mortise and tenon structure, and then a second integral pouring is performed to complete the positioning and installation of the anchor bolt 3.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An assembled anchor bolt positioning device, characterized in that: It includes an anchor bolt prefabricated block and a positioning and adjusting prefabricated base, the bottom of the anchor bolt prefabricated block is connected to the top of the positioning and adjusting prefabricated base by a mortise and tenon structure, and the four sides of the anchor bolt prefabricated block and the bottom surface of the positioning and adjusting prefabricated base are respectively provided with rubber layers, a plurality of anchor bolts are provided on the anchor bolt prefabricated block, a horizontal transverse screw hole and a longitudinal screw hole are provided in the positioning and adjusting prefabricated base, and the transverse screw hole and the longitudinal screw hole are not in the same plane, a transverse screw rod is provided in the transverse screw hole, and a longitudinal screw rod is provided in the longitudinal screw hole, vertical screw holes are provided around the positioning and adjusting prefabricated base, vertical screw holes are provided in the vertical screw holes, and an adjusting nut is provided on the vertical screw rod; several types of clamps are provided on the adjusting nut, the top surface of the several types of clamps is clamped on the top surface of the adjusting nut, the top surface of the several types of clamps is provided with a through hole extending out of the vertical screw rod, and the bottom ends of both sides of the several types of clamps are fixed to the top surface of the positioning and adjusting prefabricated base.

2. The assembled anchor bolt positioning device according to claim 1, characterized in that: The ends of the transverse screw rod and the longitudinal screw rod are respectively welded with fixing nuts.

3. A construction method for the assembled anchor bolt positioning device according to claim 1 or 2, characterized in that: The following steps are involved: (1) Prefabricate the anchor bolt prefabricated blocks and the positioning and adjusting prefabricated base. After prefabrication, the anchor bolt prefabricated blocks and the positioning and adjusting prefabricated base are combined into a whole through the mortise and tenon structure and transported to the construction site; (2) Measure the installation position of the anchor bolts, excavate the foundation pit for the anchor bolts according to the length of the transverse screw and the longitudinal screw in the positioning and adjusting prefabricated base, and then place the positioning and adjusting prefabricated base in the foundation pit, with the two ends of the transverse screw and the longitudinal screw respectively against the two opposite side walls of the foundation pit, and then tighten the adjusting nut, and adjust the length of the vertical screw extending from the bottom of the positioning and adjusting prefabricated base according to the measured height, so that the positioning and adjusting prefabricated base moves vertically, thereby adjusting the height of the positioning and adjusting prefabricated base; (3) After the height positioning of the positioning and adjustment prefabricated base is completed, the transverse screw and the longitudinal screw are rotated respectively to move the positioning and adjustment prefabricated base horizontally, thereby adjusting the horizontal position of the positioning and adjustment prefabricated base; (4) After the positioning and adjustment of the prefabricated base is completed, the initial pouring is carried out to cast and fix the bottom and surrounding of the positioning and adjustment prefabricated base to the foundation pit; Then the anchor bolt prefabricated block is installed on the positioning and adjusting prefabricated base through the mortise and tenon structure, and then a second integral pouring is carried out to complete the positioning and installation of the anchor bolt.

4. The construction method of the assembled anchor bolt positioning device according to claim 3, characterized in that: Before the positioning and adjusting prefabricated base is placed in the foundation pit, a layer of balls is laid in the foundation pit, and then the positioning and adjusting prefabricated base is placed on the balls in the foundation pit.

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