Protective device for manual hole digging pile construction

Abstract

The utility model provides a protective device for manual hole digging pile construction, which comprises a supporting component, a protective component and a driving component, the supporting component comprises a cross rod, a connecting hole is arranged on the cross rod, adapting pipes are fixedly arranged at two ends of the cross rod, and screw rods are in threaded connection with the interiors of the adapting pipes; a connecting rod is fixedly arranged at the lower end of the semicircular protection plate; the number of the supporting assemblies is multiple, and the connecting rod sequentially penetrates through the connecting holes of the multiple supporting assemblies and then is in threaded connection with the nut. The device has the advantages that the device is hoisted to the specified height, the two ends of the screw rod are made to abut against the inner side wall of a manually-dug hole, compared with a traditional structure for installing a protection plate through punching, installation is convenient through the arrangement of the screw rod, the height of the device is adjusted along with the digging depth, and safety in the construction process is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, in particular to a protective device for manual bored pile construction. Background Art

[0002] During the construction process of building correction and restoration, it is necessary to first introduce artificial bored piles at the bottom of the building and use the artificial bored piles as load-bearing components for the correction and restoration operation. Since a large amount of soil blocks, bricks, etc. will be generated during the building correction and restoration, the soil blocks and bricks will fall into the artificial bored piles and injure the workers.

[0003] The traditional installation method of bored pile protective plates is to drill holes on the inner wall of the hole and then use collision bolts to fix the semicircular plates for protection, or to insert rods into the inner wall of the hole and then place the semicircular plates on the rods. As the excavation depth continues to increase, the semicircular plates need to be moved frequently, and holes need to be drilled or rods need to be inserted repeatedly. The operation process is complicated and the work efficiency is low. Different diameter holes require different types of semicircular plates. Often, a large number of protective plates need to be produced for a project, which wastes materials and affects the construction progress. Utility Model Content

[0004] In view of this, the present invention aims to provide a protective device for bored pile construction, in order to solve at least one of the above-mentioned technical problems.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is achieved as follows:

[0006] A protective device for manual bored pile construction, comprising:

[0007] A support assembly, the support assembly comprising a cross bar, a connecting hole being provided on the cross bar, a receiving tube being fixedly provided at both ends of the cross bar, and a screw being connected to the internal thread of the receiving tube;

[0008] A semicircular protective plate, wherein a connecting rod is fixedly provided at the lower end of the semicircular protective plate;

[0009] There are multiple support assemblies, and the connecting rod passes through the connection holes of multiple support assemblies in sequence and is then threadedly connected to the nut.

[0010] Furthermore, the screw is provided with a rotating seat away from the receiving tube, and the rotating seat is rotatably connected to the screw;

[0011] An inserting hole is formed at one end of the screw rod away from the receiving tube, and the axis of the inserting hole is arranged perpendicular to the axis of the screw rod.

[0012] Furthermore, a connecting head is fixedly provided at the end of the screw away from the receiving tube, and the connecting head includes a connecting column and a limiting disk. The diameter of the connecting column is smaller than the diameter of the limiting disk, and the connecting column is fixedly connected to the screw; the limiting disk is fixedly connected to the end of the connecting column away from the screw, and a rotating hole is opened on the rotating seat, and the diameter of the rotating hole matches the diameter of the limiting disk. An annular limiting boss is provided on the inner side of the end of the rotating hole adjacent to the screw, and the inner diameter of the annular limiting boss matches the diameter of the connecting column. The connecting column is installed on the inner side of the annular limiting boss, and the limiting disk is installed on the inner side of the rotating hole.

[0013] Furthermore, an inner side of one end of the rotating hole away from the screw rod is provided with an internal thread;

[0014] The protective device further comprises a hexagonal insert rod and a tightening plate, wherein one end of the hexagonal insert rod is tapered and the other end is fixed with a first stud, and the first stud is detachably connected to the rotating seat;

[0015] One end of the tightening plate is an arc-shaped surface, and an anti-slip rubber pad is provided on the arc-shaped surface of the tightening plate. A second stud is fixed on the end of the tightening plate away from the arc-shaped surface, and the second stud is detachably connected to the rotating seat.

[0016] Furthermore, a support block is fixedly provided on the lower end surface of the semicircular protective plate, and the support block corresponds to the end of the receiving tube away from the cross bar. The lower end of the support block is provided with a positioning groove matching the receiving tube.

[0017] Furthermore, there are multiple support blocks, and the multiple support blocks are evenly arranged in the circumferential direction along the semicircular protective plate.

[0018] Furthermore, the protective device also includes an extension plate, which has a strip hole, and the upper end surface of the semicircular protective plate has a threaded hole. A connecting bolt is provided in the strip hole, and the connecting bolt passes through the strip hole and is threadedly connected to the threaded hole of the semicircular protective plate. There are multiple extension plates, and the multiple extension plates are evenly arranged circumferentially along the semicircular protective plate.

[0019] Furthermore, a limiting column is fixedly provided on the upper end surface of the semicircular protective plate, and the limiting column is located inside the strip hole. The center of the limiting column, the center of the threaded hole, and the center of the semicircular protective plate are located on the same straight line.

[0020] Furthermore, there are two semicircular protective plates, which are a first semicircular protective plate and a second semicircular protective plate, and the straight edge of the first semicircular protective plate is hinged to the straight edge of the second semicircular protective plate.

[0021] Furthermore, a connecting rod is provided at the center of the first semicircular protective plate;

[0022] A hinged tube is fixedly provided on the upper end surface of the first semicircular protective plate, and a hinged rod is fixedly provided on the upper end surface of the second semicircular protective plate. The hinged rod is installed on the inner side of the hinged tube.

[0023] Compared with the prior art, the protective device for manual bored pile construction described in the present invention has the following beneficial effects:

[0024] (1) The utility model discloses a protective device for bored pile construction. The device is hoisted to a specified height, and the screw rod is rotated to press the two ends against the inner wall of the manually dug hole. Compared with the traditional structure of installing the protective plate by punching holes, the setting of the screw rod is convenient for installation. The height of the device can be adjusted according to the excavation depth to ensure the safety of the construction process.

[0025] (2) The utility model provides a protective device for bored pile construction. By setting two first semicircular protective plates and a second semicircular protective plate, according to the construction process, when soil excavation is required, the second semicircular protective plate is in a folded state to facilitate the upward transportation of soil. When construction is suspended at night, the second semicircular protective plate is in an unfolded state to prevent stones and debris from falling into the bottom of the manually dug hole, thereby improving the scope of application of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 This is a three-dimensional schematic diagram of the second semicircular protective plate of the device according to an embodiment of the present utility model in a folded state;

[0028] Figure 2 For the embodiment of the present utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0029] Figure 3 This is a schematic diagram of the three-dimensional structure of the support assembly for installing the tightening plate according to an embodiment of the present utility model;

[0030] Figure 4 This is a schematic diagram of the three-dimensional structure of the support assembly for mounting the plunger according to an embodiment of the present utility model;

[0031] Figure 5 This is a schematic diagram of a partial cross-sectional structure of a support assembly for installing a tightening plate according to an embodiment of the present utility model;

[0032] Figure 6 For the embodiment of the present utility model Figure 5 Schematic diagram of the structure at B in the middle;

[0033] Figure 7 This is a schematic diagram of a partial cross-sectional structure of a support assembly for mounting an insertion rod according to an embodiment of the present utility model;

[0034] Figure 8 This is a schematic diagram of the three-dimensional structure of the first semicircular protective plate according to an embodiment of the present utility model from a first perspective;

[0035] Figure 9 This is a schematic diagram of the three-dimensional structure of the first semicircular protective plate according to an embodiment of the present utility model from a second viewing angle;

[0036] Figure 10 This is a schematic diagram of the three-dimensional structure of the second semicircular protective plate according to an embodiment of the present utility model;

[0037] Figure 11 This is a schematic diagram of the three-dimensional structure of the extension plate according to an embodiment of the present utility model;

[0038] Figure 12 This is a schematic diagram of the second semicircular protective plate of the device according to an embodiment of the present utility model in an expanded state;

[0039] Figure 13 For the embodiment of the present utility model Figure 12 Schematic diagram of the structure at C in the middle;

[0040] Figure 14 This is a schematic diagram of the device according to an embodiment of the present utility model in use in a concrete side wall;

[0041] Figure 15 This is a schematic diagram of the device described in an embodiment of the utility model in use in a soil side wall.

[0042] Description of reference numerals:

[0043] 1. Support assembly; 2. First semicircular protective plate; 3. Second semicircular protective plate; 4. Nut; 5. Extension plate; 6. Connecting bolt; 107. Connecting head; 101. Cross bar; 102. Socket; 103. Screw; 104. Rotating seat; 105. Tightening plate; 106. Insert rod; 10101. Connecting hole; 10301. Insert hole; 201. Connecting rod; 202. Articulated tube; 203. Limiting column; 204. Threaded hole; 205. Support block; 20501. Positioning groove; 301. Articulated rod; 501. Strip hole. DETAILED DESCRIPTION

[0044] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0046] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0047] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0048] like Figures 1 to 13 As shown, a protective device for bored pile construction includes: a support assembly 1, the support assembly 1 includes a cross bar 101, the cross bar 101 is provided with a connecting hole 10101, both ends of the cross bar 101 are fixed with a receiving tube 102, the receiving tube 102 is internally threaded with a screw 103; a semicircular protective plate, the lower end of the semicircular protective plate is fixed with a connecting rod 201; the number of support assemblies 1 is two, and the connecting rod 201 passes through the connecting holes 10101 of the two support assemblies 1 in sequence and is threadedly connected to the nut 4.

[0049] A rotating seat 104 is provided corresponding to the screw rod 103 away from the receiving tube 102, and the rotating seat 104 is rotatably connected to the screw rod 103; a socket 10301 is provided at one end of the screw rod 103 away from the receiving tube 102, and the axis of the socket 10301 is arranged perpendicular to the axis of the screw rod 103. The arrangement of the socket 10301 facilitates the rotation of the screw rod 103 after the crowbar is inserted.

[0050] A connecting head 107 is fixedly provided at the end of the screw 103 away from the receiving tube. The connecting head 107 includes a connecting column and a limiting disk. The diameter of the connecting column is smaller than the diameter of the limiting disk, and the connecting column is fixedly connected to the end of the connecting column away from the screw 103. A rotating hole is opened on the rotating seat 104, and the diameter of the rotating hole matches the diameter of the limiting disk. An annular limiting boss is provided on the inner side of the end of the rotating hole adjacent to the screw 103. The inner diameter of the annular limiting boss matches the diameter of the connecting column. The connecting column is installed on the inner side of the annular limiting boss, and the limiting disk is installed on the inner side of the rotating hole.

[0051] An internal thread is formed on the inner side of one end of the rotating hole away from the screw rod 103;

[0052] The protective device also includes a hexagonal plug 106 and a top plate 105. One end of the hexagonal plug 106 is conical, and the other end is fixed with a first stud. The first stud is detachably connected to the rotating seat 104. When the inner wall of the manually dug hole is not poured with concrete, the screw 103 is rotated to insert the hexagonal plug 106 into the soil inside the manually dug hole (such as Figure 15 shown).

[0053] One end of the tightening plate 105 is an arc-shaped surface, and an anti-slip rubber pad is provided on the arc-shaped surface of the tightening plate 105. A second stud is fixed to the end of the tightening plate 105 away from the arc-shaped surface, and the second stud is detachably connected to the rotating seat 104. When the inner wall of the manually dug hole is poured with concrete, the screw 103 is rotated to tighten the tightening plate 105 against the inner wall of the manually dug hole. The two ends of the support assembly 1 can also be directly placed on the steps of the pile foundation retaining wall (such as Figure 14 shown).

[0054] The detachable design of the hexagonal inserting rod 106 and the top tightening plate 105 enables the device to be applicable to manual bored pile construction in different construction scenarios, thereby increasing the scope of application of the device.

[0055] A support block 205 is fixedly mounted on the lower end of the semicircular protective plate. This support block 205 corresponds to the end of the receiving tube 102 that is distal from the crossbar 101. A positioning slot 20501 is defined at the lower end of the support block 205, matching the receiving tube 102. The provision of the support block 205 not only supports the circular protective plate, but also prevents linear rotation between the semicircular protective plate and the support assembly 1 by positioning the receiving tube 102 inside the positioning slot 20501. Multiple support blocks 205 are provided, evenly spaced along the circumference of the semicircular protective plate, allowing for adjustment of the angle between the two support assemblies 1.

[0056] The protective device also includes an extension plate 5, which has a strip hole 501 formed therein. A threaded hole 204 is formed on the upper end surface of the semicircular protective plate. A connecting bolt 6 is provided in the strip hole 501. The connecting bolt 6 passes through the strip hole 501 and is threadedly connected to the threaded hole 204 of the semicircular protective plate. There are multiple extension plates 5, and the multiple extension plates 5 are evenly arranged along the circumference of the semicircular protective plate. A limiting post 203 is fixed to the upper end surface of the semicircular protective plate. The limiting post 203 is located inside the strip hole 501. The center of the limiting post 203, the center of the threaded hole 204, and the center of the semicircular protective plate are located on the same straight line. The extension plate 5 can be moved away from the axis of the semicircular protective plate according to the diameter of the manually dug hole, thereby expanding the scope of application of the device. The connecting bolt 6 is then tightened to secure the extension plate 5.

[0057] There are two semicircular protective plates, namely the first semicircular protective plate 2 and the second semicircular protective plate 3. The straight edge of the first semicircular protective plate 2 is hinged to the straight edge of the second semicircular protective plate 3. A connecting rod 201 is provided at the center of the circle of the first semicircular protective plate 2; a hinged tube 202 is fixedly provided on the upper end face of the first semicircular protective plate 2, and a hinged rod 301 is fixedly provided on the upper end face of the second semicircular protective plate 3. The hinged rod 301 is installed on the inner side of the hinged tube 202. By providing two first semicircular protective plates 2 and second semicircular protective plates 3, according to the construction process, when it is necessary to excavate the soil, the second semicircular protective plate 3 is in a folded state (such as Figure 1 、 Figure 14 As shown), it is convenient for transporting soil upwards. When construction is suspended at night, the second semicircular protective plate 3 is in the expanded state (as shown Figure 12 、 Figure 15 As shown), bricks and debris are prevented from falling into the bottom of the manually dug hole, thereby improving the application range of the device.

[0058] Working process:

[0059] Hoist the device to the specified height, then rotate the two support assemblies 1 to adjust the angle between them and adjust the size of the soil transport channel. Then, tighten the nut 4 and rotate the screw 103 so that both ends press against the inner wall of the manually excavated hole. Alternatively, install the tightening plate 105 to press against the inner wall of the manually excavated hole, or install the insertion rod 106 to insert into the inner wall of the manually excavated hole. Then, adjust the position of the extension plate 5 according to the diameter of the manually excavated hole. Compared to the traditional structure of installing protective plates by drilling holes, the arrangement of the screw 103 facilitates installation, and the height of the device can be adjusted according to the excavation depth, ensuring safety during the construction process.

[0060] The semicircular protective plate and the supporting assembly 1 are detachable and assembled, which is convenient for storage and transportation of the device.

[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A protective device for manual bored pile construction, characterized in that: include: A support assembly (1), the support assembly (1) comprising a crossbar (101), a connecting hole (10101) being provided on the crossbar (101), receiving tubes (102) being fixedly provided at both ends of the crossbar (101), and a screw (103) being connected to the receiving tube (102) through an internal thread; A semicircular protective plate, wherein a connecting rod (201) is fixedly provided at the lower end of the semicircular protective plate; There are multiple support assemblies (1), and the connecting rod (201) sequentially passes through the connecting holes (10101) of the multiple support assemblies (1) and is then threadedly connected to the nut (4).

2. A protective device for manual bored pile construction according to claim 1, characterized in that: The screw rod (103) is provided with a rotating seat (104) away from the receiving tube (102), and the rotating seat (104) is rotatably connected to the screw rod (103); An insertion hole (10301) is formed at one end of the screw rod (103) away from the receiving tube (102), and the axis of the insertion hole (10301) is arranged perpendicular to the axis of the screw rod (103).

3. A protective device for bored pile construction according to claim 2, characterized in that: The end of the screw rod (103) away from the receiving tube is fixedly provided with a connecting head (107), and the connecting head (107) includes a connecting column and a limiting disk. The diameter of the connecting column is smaller than the diameter of the limiting disk. The connecting column is fixedly connected to the end of the connecting column away from the screw rod (103). A rotating hole is opened on the rotating seat (104). The diameter of the rotating hole matches the diameter of the limiting disk. An annular limiting boss is provided on the inner side of the end of the rotating hole adjacent to the screw rod (103). The inner diameter of the annular limiting boss matches the diameter of the connecting column. The connecting column is installed on the inner side of the annular limiting boss, and the limiting disk is installed on the inner side of the rotating hole.

4. A protective device for manual bored pile construction according to claim 3, characterized in that: An internal thread is formed on the inner side of one end of the rotating hole away from the screw rod (103); The protective device further comprises a hexagonal inserting rod (106) and a tightening plate (105); one end of the hexagonal inserting rod (106) is conical, and the other end is fixed with a first stud; the first stud is detachably connected to the rotating seat (104); An anti-slip rubber pad is provided on the arcuate surface of the tightening plate (105), one end of the tightening plate (105) is an arcuate surface, and a second stud is fixedly provided on the end of the tightening plate (105) away from the arcuate surface, and the second stud is detachably connected to the rotating seat (104).

5. The protective device for bored pile construction according to claim 1, characterized in that: A support block (205) is fixedly provided on the lower end surface of the semicircular protective plate. The support block (205) corresponds to the end of the receiving tube (102) away from the cross bar (101). A positioning groove (20501) matching the receiving tube (102) is opened at the lower end of the support block (205).

6. A protective device for bored pile construction according to claim 5, characterized in that: There are multiple support blocks (205), and the multiple support blocks (205) are evenly arranged in the circumferential direction along the semicircular protective plate.

7. The protective device for bored pile construction according to claim 1, characterized in that: The protective device further comprises an extension plate (5), wherein a strip hole (501) is formed on the extension plate (5), a threaded hole (204) is formed on the upper end surface of the semicircular protective plate, a connecting bolt (6) is provided in the strip hole (501), and the connecting bolt (6) passes through the strip hole (501) and is threadedly connected to the threaded hole (204) of the semicircular protective plate, and the number of the extension plates (5) is multiple, and the multiple extension plates (5) are evenly arranged along the circumference of the semicircular protective plate.

8. A protective device for bored pile construction according to claim 7, characterized in that: A limiting column (203) is fixedly provided on the upper end surface of the semicircular protective plate. The limiting column (203) is located inside the strip hole (501). The center of the limiting column (203), the center of the threaded hole (204), and the center of the semicircular protective plate are located on the same straight line.

9. The protective device for bored pile construction according to claim 1, characterized in that: There are two semicircular protective plates, which are respectively a first semicircular protective plate (2) and a second semicircular protective plate (3); the straight edge of the first semicircular protective plate (2) is hinged to the straight edge of the second semicircular protective plate (3).

10. A protective device for bored pile construction according to claim 9, characterized in that: A connecting rod (201) is correspondingly provided at the center of the first semicircular protective plate (2); A hinged tube (202) is fixedly provided on the upper end surface of the first semicircular protective plate (2), and a hinged rod (301) is fixedly provided on the upper end surface of the second semicircular protective plate (3), wherein the hinged rod (301) is installed on the inner side of the hinged tube (202).

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