Reverse installation hole positioning device and construction method for anchoring end plate of reinforced steel beam of existing structure

Abstract

The present invention relates to a reverse installation hole-opening positioning device for the anchor end plate of the reinforced steel beam of an existing structure and a construction method thereof, the positioning device comprising: a pair of slide rails arranged opposite to each other; a movable adjustment rod supported between the pair of slide rails and slidably arranged on the pair of slide rails, which can be moved and adjusted along the slide rails and can be fastened to the slide rails after adjusting the position, and the movable adjustment rod is provided with a sliding groove; an adjustment plate slidably arranged on the sliding groove and arranged on the movable adjustment rod, which can be moved and adjusted along the sliding groove and can be fastened to the movable adjustment rod after adjusting the position, and the adjustment plate is provided with a positioning hole. The present invention uses the positioning hole on the adjustment plate to locate the position of the screw hole actually opened on the existing structure, and then according to the positioning position of the positioning hole, a hole is opened on the anchor end plate, so that the hole on the anchor end plate can accurately correspond to the hole on the existing structure, so as to meet the installation requirements of the screw.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams and a construction method. Background Art

[0002] The reverse installation of the anchor end plate of the reinforced steel beam of the existing structure is different from the traditional steel beam installation process. It is a reverse installation process in which holes are drilled in the existing structure, the existing structure and the anchor end plate are fixed with connecting screws, and then the steel beam and the anchor end plate are fixed.

[0003] The implementation of the process of using connecting screws to fix the existing structure and the anchor end plate has the following problems: the connecting screws must pass through the screw holes of the existing structure and the screw holes of the anchor end plate at the same time. Since the screw holes of the existing structure and the screw holes of the anchor end plate are opened later, it is difficult to locate the holes completely according to the drawings, because the screw holes in the existing structure must avoid the structural steel bars, which is prone to avoidance and offset. If the screw holes of the anchor end plate are not offset adjusted accordingly and the holes are still located according to the drawings, the screws cannot be penetrated and installed normally at the same time, and remedial measures such as hole expansion are generally taken, which will cause rework and reduced quality. Summary of the invention

[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a reverse installation hole positioning device and construction method for the anchor end plate of the existing structure reinforcement steel beam, so as to solve the problem that the existing screw holes of the existing structure need to be set away from the structural steel bars, resulting in the screw holes on the anchor end plate being unable to correspond to them, thereby causing the screws to be unable to be installed normally.

[0005] The technical solution to achieve the above purpose is:

[0006] The present invention provides a reverse installation hole positioning device for anchoring end plates of reinforced steel beams of existing structures, comprising:

[0007] A pair of slide rails arranged opposite to each other;

[0008] a movable adjustment rod supported between a pair of slide rails and slidably mounted on the pair of slide rails, the movable adjustment rod being movable and adjustable along the slide rails and being fastened to the slide rails after adjusting the position, and the movable adjustment rod being provided with a sliding groove; and

[0009] An adjustment plate is slidably mounted on the sliding groove and disposed on the movable adjustment rod. The adjustment plate can be moved and adjusted along the sliding groove and can be fastened to the movable adjustment rod after the position is adjusted. A positioning hole is provided on the adjustment plate.

[0010] The positioning device of the present invention has an adjustable movable adjustment rod and an adjustment plate, which can realize adjustment in the longitudinal and lateral directions. The positioning hole on the adjustment plate can be used to locate the position of the screw hole actually opened on the existing structure, and then according to the positioning position of the positioning hole, a hole is opened on the anchor end plate, so that the hole on the anchor end plate can accurately correspond to the hole on the existing structure to meet the installation requirements of the screw, and solves the problem in the prior art that the screw hole of the anchor end plate cannot correspond to the screw hole of the existing structure and the screw cannot be normally and safely installed.

[0011] A further improvement of the reverse installation hole positioning device for anchoring end plates of existing structural reinforcement steel beams of the present invention is that it also includes an outer frame plate fixedly connected to the ends of a pair of slide rails, and the outer frame plate and the pair of slide rails are combined to form a square frame structure.

[0012] A further improvement of the reverse installation hole positioning device for anchoring end plates of existing structural reinforcement steel beams of the present invention is that the interior of the slide rail is hollow to form a channel, a first notch is provided on the top, and a second notch is provided on the side;

[0013] The end of the movable adjustment rod is inserted into the slide rail from the second notch and can be moved and adjusted along the channel;

[0014] A pressing spring is connected to the end of the movable adjustment rod, and the pressing end of the pressing spring extends from the first notch to the outside of the slide rail. The pressing spring tightly presses the top of the slide rail to fasten the movable adjustment rod to the slide rail.

[0015] A further improvement of the reverse installation hole positioning device for anchoring end plates of existing structural reinforcement steel beams of the present invention is that the interior of the slide rail is hollow to form a channel, and notches are correspondingly opened at the top and bottom of the slide rail;

[0016] The end of the movable adjustment rod is provided with a slider adapted to the channel, the slider is slidably arranged in the channel of the slide rail, and the connecting part of the movable adjustment rod and the slider extends from the notch at the top of the slide rail;

[0017] The slide rail is provided with limiting bolts, which are arranged on both sides of the movable adjustment rod and can be moved and adjusted along the notches at the top and bottom of the slide rail. The movable adjustment rod can be limited by the limiting threads.

[0018] A further improvement of the reverse-installed hole-opening positioning device for the anchor end plate of the existing structural reinforcement steel beam of the present invention is that a connecting hole is opened on the adjustment plate corresponding to the sliding groove, and a connecting bolt is passed through the connecting hole. The connecting bolt also passes through the sliding groove, and the end of the connecting bolt is threadedly connected to a connecting nut. By tightening the connecting nut, the adjustment plate can be fastened to the movable adjustment rod.

[0019] A further improvement of the reverse installation hole-opening positioning device for anchoring end plates of existing structure-reinforced steel beams of the present invention is that a positioning groove is provided on the movable adjustment rod corresponding to the positioning hole.

[0020] The present invention also provides a construction method for a reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams, comprising the following steps:

[0021] Avoid the screw holes of structural reinforcement when constructing on existing structures;

[0022] Placing the positioning device according to the installation position of the anchor end plate so that the setting position of the pair of slide rails is aligned with the installation position of the anchor end plate;

[0023] Adjusting the position of the movable adjustment rod so that the movable adjustment rod is aligned with a row of screw holes;

[0024] Adjust the position of the adjustment plate on the movable adjustment rod so that the positioning holes on the adjustment plate are aligned with the corresponding screw holes;

[0025] Remove the positioning device, align the positioning device and place it on the anchoring end plate, use the positioning holes on the adjustment plate to mark the hole positions on the anchoring end plate, and then drill holes on the anchoring end plate according to the marked hole positions.

[0026] A further improvement of the construction method of the present invention is that the steps of constructing the screw holes avoiding the structural steel bars on the existing structure include:

[0027] Lay out the outline of the anchored end plate on the existing structure;

[0028] Chisel away the protective layer of the existing structure to expose the structural steel bars;

[0029] The screw holes are arranged within the outline of the anchor end plate, avoiding the exposed structural reinforcement, and the screw holes in the same row are located on the same horizontal line;

[0030] According to the positions of the arranged screw holes, holes are drilled on the existing structure to form the screw holes.

[0031] A further improvement of the construction method of the present invention is that after the positioning device is aligned and placed on the anchoring end plate, the anchoring end plate and the positioning device are fastened and connected by snap fastening.

[0032] A further improvement of the construction method of the present invention is that after the position of the movable adjustment rod is adjusted, the movable adjustment rod is fastened to the slide rail to fix the movable adjustment rod;

[0033] After the position of the adjusting plate is adjusted, the adjusting plate is fastened to the movable adjusting rod to fix the adjusting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a structural schematic diagram of the inverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams of the present invention.

[0035] Figure 2 It is a side view of the slide rail in the reverse installation hole positioning device for anchoring the end plate of the existing structure reinforcement steel beam of the present invention.

[0036] Figure 3 It is a side view of the other side of the slide rail in the reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams of the present invention.

[0037] Figure 4 It is a structural schematic diagram of a movable adjustment rod in a reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams of the present invention.

[0038] Figure 5 It is a side view of a movable adjustment rod in the reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams of the present invention.

[0039] Figure 6 It is a side view of the other side of the movable adjustment rod in the reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams of the present invention.

[0040] Figure 7 It is a structural schematic diagram of the connection between the movable adjustment rod and the slide rail in the reverse installation hole positioning device for anchoring the end plate of the existing structure reinforcement steel beam of the present invention.

[0041] Figure 8 It is an enlarged schematic diagram of the connection between the movable adjustment rod and the slide rail in the reverse installation hole positioning device for the anchor end plate of the existing structure reinforcement steel beam of the present invention.

[0042] Fig. 9 It is a cross-sectional view of the connection between the adjustment plate and the movable adjustment rod in the reverse installation hole positioning device for the anchor end plate of the existing structure reinforcement steel beam of the present invention.

[0043] Fig.10 It is a structural schematic diagram of another embodiment of the present invention in which a movable adjustment rod of a reverse-installed hole positioning device for anchoring end plates of existing structure reinforcement steel beams is connected to a slide rail.

[0044] Figures 11 to 13 It is a schematic diagram of the decomposed structure of the installation steps of the slide rail, the movable adjustment rod and the outer frame plate in the reverse installation hole positioning device for the anchor end plate of the existing structure reinforcement steel beam of the present invention.

[0045] Figures 14 to 17 It is a structural schematic diagram of the decomposition steps of adjusting the positioning hole of the positioning device according to the screw hole on the existing structure in the reverse installation hole positioning device for anchoring the end plate of the existing structure reinforcement steel beam of the present invention.

[0046] Fig.18It is a front view of the combination of the reverse-installed hole positioning device and the anchor end plate of the existing structure reinforcement steel beam anchor end plate of the present invention.

[0047] Fig.19 It is a rear view of the combination of the reverse-installed hole positioning device and the anchor end plate of the existing structure reinforcement steel beam anchor end plate of the present invention.

[0048] Fig. 20 It is a side view of the combination of the reverse-installed hole positioning device and the anchor end plate of the existing structure reinforcement steel beam anchor end plate of the present invention.

[0049] Fig.21 It is a schematic structural diagram of the buckle in the reverse installation hole positioning device for anchoring the end plate of the existing structure reinforcement steel beam of the present invention.

[0050] Fig. 22 The present invention is a flow chart of a construction method of a reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams. DETAILED DESCRIPTION

[0051] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0052] See also Figure 1 The present invention provides a reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams and a construction method thereof, which is used to calibrate the actual position of the screw holes on the existing structure, and then correspond the calibrated screw hole positions to the anchoring end plates, so that the holes on the anchoring end plates can accurately correspond to the screw holes on the existing structure, satisfying the installation of the screws, and solving the problem in the prior art that the screw holes of the anchoring end plates cannot correspond to the screw holes of the existing structure and the screws cannot be normally and safely installed. The reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams and a construction method thereof are described below in conjunction with the accompanying drawings.

[0053] See also Figure 1 , showing the structural schematic diagram of the inverse installation hole positioning device for anchoring end plates of existing structural reinforcement steel beams of the present invention. Figure 1 , the reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams of the present invention is described.

[0054] like Figure 1As shown, the reverse installation hole positioning device 20 for the anchor end plate of the existing structure reinforcement steel beam of the present invention includes a pair of slide rails 21, a movable adjustment rod 22 and an adjustment plate 23. The pair of slide rails 21 are arranged relatively, and the movable adjustment rod 22 is supported between the pair of slide rails 21 and slidably arranged on the pair of slide rails 21. The movable adjustment rod 22 is supported between the pair of slide rails 21. The movable adjustment rod 22 can be moved and adjusted along the slide rails 21 and can be fastened to the slide rails 21 after adjusting the position. The movable adjustment rod 22 is provided with a sliding groove 221; the adjustment plate 23 is slidably arranged on the sliding groove 221, and the adjustment plate 23 is arranged on the movable adjustment rod 22. The adjustment plate 23 can be moved and adjusted along the sliding groove 221 and can be fastened to the movable adjustment rod 22 after adjusting the position. The adjustment plate 23 is provided with a positioning hole 231.

[0055] The movable adjustment rod 22 is vertically connected to the slide rail 21, and the movable adjustment rod 22 is movable and adjusted along the setting direction of the slide rail 21, and the adjustment plate 23 is movable and adjusted along the setting direction of the movable adjustment rod 22, so that the adjustment rod 23 can be adjusted in both horizontal and vertical directions, and then the position of the adjustment rod 23 can be adjusted so that the positioning hole 231 can calibrate the position of the screw hole on the existing structure, and then the calibrated position is corresponded to the anchor end plate, so that the hole on the anchor end plate is aligned with the screw hole actually opened on the existing structure, which meets the installation requirements of the screw, and the anchor end plate can be fastened to the existing structure by using the screw, and then the reinforcing steel beam can be connected through the anchor end plate.

[0056] The number of movable adjustment rods 22 and adjustment plates 23 is selected according to the number of screw holes provided on the existing structure. The number of movable adjustment rods 22 is related to the number of rows of screw holes, and the number of adjustment plates 23 is related to the number of screw holes.

[0057] In a specific embodiment of the present invention, the positioning device of the present invention also includes an outer frame plate 24 fixedly connected to the ends of a pair of slide rails 21. The outer frame plate 24 and the pair of slide rails 21 are combined to form a square frame structure. The arrangement of the outer frame plate 24 can improve the structural stability of the pair of slide rails 21 and can also prevent the moving adjustment rod 22 from detaching from the slide rails 21.

[0058] Preferably, the inner edges of the pair of slide rails 21 are aligned with the side edges of the anchoring end plates, and the outer edges of the pair of outer frame plates 24 are aligned with the corresponding side edges of the anchoring end plates.

[0059] Preferably, the outer frame plate 24 and the slide rail 21 are connected by welding.

[0060] In a specific embodiment of the present invention, Figures 1 to 3As shown, the interior of the slide rail 21 is hollow to form a channel 211, a first notch 212 is provided on the top, and a second notch 213 is provided on the side. The slide rail 21 is preferably a stainless steel square tube. The first notch 212 and the second notch 213 are both connected to one end of the slide rail 21, and a partial structure is still left at the other end of the slide rail 21 to ensure the integrity of the slide rail 21.

[0061] Combination Figure 7 and Figure 8 As shown, the end of the movable adjustment rod 22 is inserted into the slide rail 21 from the second notch 213 and can be moved and adjusted along the channel 211. Figures 4 to 6 As shown, the end of the movable adjustment rod 22 is connected to a pressing spring 223, and the pressing end 2234 of the pressing spring 223 extends from the first slot 212 to the outside of the slide rail 21. The pressing spring 223 tightly presses the top of the slide rail 21 to fasten the movable adjustment rod 22 to the slide rail 21.

[0062] In this embodiment, when the position of the movable adjustment rod 22 needs to be adjusted, the pressing end 2234 of the pressing spring 223 can be pressed to release the lock of the pressing spring. At this time, the movable adjustment rod 22 can be moved along the slide rail. After moving into place, the pressing force of the pressing end 2234 is released, and the pressing spring 223 can be restored to a state of being tightly against the slide rail, thereby limiting the movement and adjustment of the movable adjustment rod 22. The movable adjustment rod 22 is fastened to the slide rail 21 after being adjusted into place, thereby keeping its own position fixed.

[0063] Preferably, if Figure 5 and Figure 8As shown, the pressing spring 223 includes a base 2231, a spring 2232 fixed on the base 2231, a pressing plate 2233 fixedly connected to the top of the spring 2232, and a pressing end 2234 fixedly connected to the pressing plate 2233. The base 2231 is welded and fixed to the end of the movable adjustment rod 22. A guide column is provided on the base 2231, and the spring 2232 is sleeved on the guide column. The guide column plays a role of limiting and guiding the spring 2232. A through hole is provided in the middle of the pressing plate 2233 corresponding to the guide column. The pressing end 2234 is preferably a pressing plate, which is fixedly connected to the pressing plate 2233 through a pair of clamping plates. The clamping plates are arranged on both sides of the guide column, and a gap is left between the pressing plate and the top of the guide column. When the movable adjustment rod 22 slides into the slide rail 21, the spring 2232 pushes the pressing plate 2233 to be close to the top of the slide rail 21, and the pressing end 2234 extends from the first slot 212. The pressing end 2234 can be pressed downward to compress the spring 2232 so that the pressing plate 2233 moves downward and away from the top of the slide rail 21. At this time, the position of the movable adjustment rod 22 can be slidably adjusted. After the position is adjusted, the pressing of the pressing end 2234 is released. The pressing plate 2233 is tightly pressed against the top of the slide rail 21 under the action of the spring 2232, thereby realizing the limitation of the movable adjustment rod 22.

[0064] Furthermore, combined with Figure 5 and Figure 8 As shown, the movable adjustment rod 22 is a plate-like structure, and a vertical section 224 is bent at the end of the plate-like structure. When the movable adjustment rod 22 is slid into the slide rail 21, the vertical section 224 is in contact with the corresponding inner wall of the slide rail 21, and the vertical section 224 is used to prevent the movable adjustment rod 22 from shaking.

[0065] In a specific embodiment of the present invention, Fig.10 As shown, in this embodiment, the interior of the slide rail 21 is hollow to form a channel, and slots are correspondingly opened at the top and bottom of the slide rail 21, and the slots are connected to the channel inside the slide rail 21; the end of the movable adjustment rod 22 is provided with a slider adapted to the channel, and the slider can be slidably set in the channel of the slide rail 21, and the part of the movable adjustment rod 22 connected to the slider can extend from the slot at the top of the slide rail 21, and a limiting bolt 35 is provided on the slide rail 21, and the limiting bolt 35 passes through the slots at the top and bottom of the slide rail 21, and the limiting bolt 35 is arranged on both sides of the movable adjustment rod 22. After the movable adjustment rod 22 is adjusted to a good position, the nuts on the limiting bolts 35 on both sides can be tightened, so that the two limiting bolts 35 limit the position of the movable adjustment rod 22.

[0066] In a specific embodiment of the present invention, Figure 1 and Fig. 9As shown, a connection hole is provided on the adjustment plate 23 corresponding to the sliding groove 221, and a connection bolt 31 is passed through the connection hole. The connection bolt 31 also passes through the sliding groove 221, and a connection nut 32 is threadedly connected to the end of the connection bolt 31. By tightening the connection nut 32, the adjustment plate 23 can be fastened to the movable adjustment rod 22. When the position of the adjustment plate 23 needs to be adjusted, the connection nut 32 can be loosened, and the connection nut 32 can be tightened after the position is adjusted.

[0067] Preferably, two sliding grooves 221 are provided on the movable adjustment rod 22, and two connecting bolts are also connected to the adjustment plate 23, and the two connecting bolts can improve the firmness and stability of the adjustment plate 23. The two sliding grooves 221 are preferably provided at the upper and lower parts of the movable adjustment rod 22.

[0068] Furthermore, a positioning groove 222 is provided on the movable adjustment rod 22 corresponding to the positioning hole 231 of the adjustment plate 23. Preferably, the positioning groove 222 is provided at the middle of the movable adjustment rod 22.

[0069] The manufacturing process of the positioning device of the present invention is described below.

[0070] like Fig.11 As shown, firstly, two slide rails 21 are placed opposite to each other, and then the outer frame plate 24 is arranged at the top of a pair of slide rails 21 and welded to the pair of slide rails 21 to form a stable door-shaped structure. Fig.12 As shown, the movable adjustment rod 22 is slidably mounted on a pair of slide rails 21. After the movable adjustment rod 22 is installed, the movable adjustment rod 22 is combined with the slide rails 21. Fig.13 As shown, another outer frame plate is arranged at the bottom of a pair of slide rails 21 and welded to the pair of slide rails 21, so that the movable adjustment rod 22 is slidably arranged on the slide rails 21 and will not fall off from the slide rails 21. Figure 1 As shown, the adjustment plate 23 is installed on the movable adjustment rod 22. After the adjustment plate 23 is installed, the production of the positioning device is completed. When the positioning device is produced, the size of the slide rail and the outer frame plate is selected according to the size of the anchoring end plate.

[0071] The present invention also provides a construction method for a reverse installation opening and positioning device for an anchor end plate of an existing structure reinforcement steel beam, and the construction method is described below.

[0072] like Fig. 22 As shown, the construction method of the present invention comprises the following steps:

[0073] Execute step S11, construct the screw hole avoiding the structural reinforcement on the existing structure; then execute step S12;

[0074] Execute step S12, place the positioning device according to the installation position of the anchor end plate, so that the setting position of the pair of slide rails is aligned with the installation position of the anchor end plate; then execute step S13;

[0075] Execute step S13, adjust the position of the movable adjustment rod so that the movable adjustment rod is aligned with a row of screw holes; then execute step S14;

[0076] Execute step S14, adjust the position of the adjustment plate on the movable adjustment rod so that the positioning hole on the adjustment plate is aligned with the corresponding screw hole; then execute step S15;

[0077] Execute step S15, remove the positioning device, align the positioning device and place it on the anchor end plate, use the positioning holes on the adjustment plate to mark the hole positions on the anchor end plate, and then drill holes on the anchor end plate according to the marked hole positions.

[0078] In a specific embodiment of the present invention, the steps of constructing a screw hole avoiding the structural reinforcement on the existing structure include:

[0079] like Fig.14 As shown, the outline 33 of the anchoring end plate is released on the existing structure 10;

[0080] Combination Fig.15 As shown, the protective layer of the existing structure 10 is chiseled off to expose the structural steel bars 11;

[0081] Combination Fig.16 As shown, the positions of the screw holes 34 are arranged within the contour line 33 of the anchor end plate, and the positions of the screw holes 34 are kept away from the exposed structural reinforcement 11, and the positions of the screw holes 34 in the same row are located on a horizontal line;

[0082] The existing structure 10 is drilled according to the positions of the arranged screw holes to form the screw holes 34 .

[0083] In a specific embodiment of the present invention, the positioning device 20 is placed on the existing structure 10 according to the contour line 33 of the anchor end plate, and then the position of the adjustment plate is adjusted so that each adjustment plate corresponds to the corresponding screw hole 34, and the position of the screw hole 34 is calibrated by aligning the positioning hole with the corresponding screw hole 34. After calibration, the movable adjustment rod is fastened to the slide rail to fix the movable adjustment rod, and the adjustment plate is fastened to the movable adjustment rod to fix the adjustment plate. Therefore, after the positioning device is removed, the position of the positioning hole is the position of the screw hole on the existing structure.

[0084] In a specific embodiment of the present invention, after the positioning device is aligned and placed on the anchoring end plate, the anchoring end plate and the positioning device are fastened and connected by snap fastening.

[0085] like Figures 18 to 20As shown, two buckles 42 are respectively provided at the upper and lower parts of the anchor end plate, and the anchor end plate is fastened and connected with the positioning device 20 by using the buckles 42, and then the hole positions of the positioning holes are correspondingly drawn on the anchor end plate with a carbon pen, and then the anchor end plate is drilled with a magnetic drill. After the anchor end plate is processed, the anchor end plate can be attached to the existing structure 10, and then connected to the existing structure 10 by the penetrating screw.

[0086] like Fig.21 As shown, the buckle 42 includes a first pressing plate 421 and a second pressing plate 422 vertically connected to the first pressing plate 421, the end of the second pressing plate 422 is bent to form a hook portion 423, the second pressing plate 422 is attached to the outer frame plate 24, and the hook portion 423 hooks the outer frame plate 24, the first pressing plate 421 is tightly attached to the anchoring end plate 41, a tightening bolt 424 is threadedly connected to the first pressing plate 421, and the tightening bolt 424 is screwed to make the tightening bolt 424 tightly press against the anchoring end plate 41, so that the anchoring end plate 41 is pressed against the positioning device 20. When fixing the anchoring end plate 41, the anchoring end plate 41 is attached to the back of the positioning device 20, that is, the anchoring end plate 41 is attached to the side of the movable adjustment rod away from the adjustment plate.

[0087] The positioning device of the present invention is aimed at the reverse installation construction process of the reinforced steel beam. The actual positioning of the post-drilled structural screw hole is calibrated through the positioning device of the present invention and reflected in the re-drilling of the anchor end plate, which is beneficial to solve the problem that the screw hole of the anchor end plate cannot correspond to the structural screw hole and the connecting screw cannot be installed normally; it avoids the remedial method of hole expansion that causes rework and quality reduction.

[0088] The positioning device of the present invention has the advantages of convenient raw material purchase, solid quality, simple operation and reusability, and is mainly applicable to the post-installation steel component working conditions and the existing structure reinforcement engineering.

[0089] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. A reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams, characterized in that: include: A pair of slide rails arranged opposite to each other; a movable adjustment rod supported between a pair of slide rails and slidably mounted on the pair of slide rails, the movable adjustment rod being movable and adjustable along the slide rails and being fastened to the slide rails after adjusting the position, and the movable adjustment rod being provided with a sliding groove; and An adjustment plate slidably mounted on the sliding groove and disposed on the movable adjustment rod, the adjustment plate can be moved and adjusted along the sliding groove and can be fastened to the movable adjustment rod after the position is adjusted, and a positioning hole is provided on the adjustment plate; The interior of the slide rail is hollow to form a channel, a first notch is provided on the top, and a second notch is provided on the side; The end of the movable adjustment rod is inserted into the slide rail from the second notch and can be moved and adjusted along the channel; The end of the movable adjustment rod is connected to a pressing spring, the pressing end of the pressing spring extends from the first notch to the outside of the slide rail, and the pressing spring tightly presses the top of the slide rail to fasten the movable adjustment rod to the slide rail; The cam is secured to the bottom of the base and is secured to the bottom of the base with a spring that is fixed to the base, the spring being secured to the bottom of the base with a spring that is fixed to the base and to the bottom of the base with a spring that is fixed to the base. The movable adjustment rod is a plate-like structure, and the end of the plate-like structure is bent to form a vertical section. When the movable adjustment rod is slid into the slide rail, the vertical section is in contact with the corresponding inner wall of the slide rail.

2. The inverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams as claimed in claim 1 is characterized in that: It also includes an outer frame plate fixedly connected to the ends of a pair of slide rails, and the outer frame plate and the pair of slide rails are combined to form a square frame structure.

3. The reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams as claimed in claim 1, characterized in that: The interior of the slide rail is hollow to form a channel, and the top and bottom of the slide rail are correspondingly provided with notches; The end of the movable adjustment rod is provided with a slider adapted to the channel, the slider is slidably arranged in the channel of the slide rail, and the connecting part of the movable adjustment rod and the slider extends from the notch at the top of the slide rail; The slide rail is provided with limiting bolts, which are arranged on both sides of the movable adjustment rod and can be moved and adjusted along the notches at the top and bottom of the slide rail. The movable adjustment rod can be limited by the limiting threads.

4. The inverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams as claimed in claim 1, characterized in that: A connecting hole is provided on the adjustment plate corresponding to the sliding groove, a connecting bolt is passed through the connecting hole, and the connecting bolt also passes through the sliding groove. The end of the connecting bolt is threadedly connected to a connecting nut, and the adjustment plate can be fastened to the movable adjustment rod by tightening the connecting nut.

5. The inverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams as claimed in claim 1, characterized in that: A positioning groove is provided on the movable adjustment rod corresponding to the positioning hole.

6. A construction method for the reverse installation hole positioning device for anchoring end plates of existing structure reinforcement steel beams as claimed in claim 1, characterized in that: The steps include: Avoid the screw holes of structural reinforcement when constructing on existing structures; Placing the positioning device according to the installation position of the anchor end plate so that the setting position of the pair of slide rails is aligned with the installation position of the anchor end plate; Adjusting the position of the movable adjustment rod so that the movable adjustment rod is aligned with a row of screw holes; Adjust the position of the adjustment plate on the movable adjustment rod so that the positioning holes on the adjustment plate are aligned with the corresponding screw holes; Remove the positioning device, align the positioning device and place it on the anchoring end plate, use the positioning holes on the adjustment plate to mark the hole positions on the anchoring end plate, and then drill holes on the anchoring end plate according to the marked hole positions.

7. The construction method according to claim 6, characterized in that: The steps for constructing screw holes on existing structures that avoid structural reinforcement include: Lay out the outline of the anchored end plate on the existing structure; Chisel away the protective layer of the existing structure to expose the structural steel bars; The screw holes are arranged within the outline of the anchor end plate, avoiding the exposed structural reinforcement, and the screw holes in the same row are located on the same horizontal line; According to the positions of the arranged screw holes, holes are drilled on the existing structure to form the screw holes.

8. The construction method according to claim 6, characterized in that: After the positioning device is aligned and placed on the anchoring end plate, the anchoring end plate and the positioning device are connected by snap fastening.

9. The construction method according to claim 6, characterized in that: After adjusting the position of the movable adjustment rod, the movable adjustment rod is fastened to the slide rail to fix the movable adjustment rod; After the position of the adjusting plate is adjusted, the adjusting plate is fastened to the movable adjusting rod to fix the adjusting plate.

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