Detachable and reusable archaeological excavation pit supporting device

Abstract

The utility model relates to the technical field of archaeological excavation pit wall protection, in particular to a detachable and reusable archaeological excavation pit supporting device, which is characterized in that a detaching mechanism comprises an earth surface anchor pile, a pull rod, a top beam, a ground beam, a vertical beam, a cross beam and a pit bottom anchor pile. The problem of pit wall collapse in the archaeological excavation process is actively and effectively solved, cultural relic extraction is not affected, the device can be repeatedly used, and energy conservation and environment protection are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of archaeological excavation pit wall protection, in particular to a detachable and reusable archaeological excavation pit supporting device. Background Art

[0002] During the archaeological excavation process, the stability of the archaeological pit wall after soil excavation is crucial to the smooth progress of the archaeological work.

[0003] At present, support is rarely used for archaeological excavation pits, and the supports that are used mostly adopt wood or steel pipe internal support structures, which have problems such as low support strength, poor reliability, and non-reusability. At the same time, the structure occupies the internal space of the archaeological pit, affecting the excavation filming, cultural relics extraction and excavation progress.

[0004] In order to solve the above problems, we propose a detachable and reusable archaeological excavation pit support device. Utility Model Content

[0005] The purpose of the utility model is to provide a detachable and reusable archaeological excavation pit supporting device, which solves the problem of affecting the excavation progress.

[0006] To achieve the above-mentioned purpose, the utility model adopts a detachable and reusable archaeological excavation pit support device, including a surface and tension anchor pile disassembly mechanism, the tension anchor pile disassembly mechanism includes a surface anchor pile, an excavation pit and a pull rod, the surface anchor pile is fixedly connected to the surface and is located above the interior of the surface, the excavation pit is fixedly connected to the surface and is located on the inner side of the surface away from the surface anchor pile, one end of the pull rod is detachably connected to the surface anchor pile and is located on the upper side of the surface anchor pile.

[0007] Among them, the tension anchor pile disassembly mechanism also includes a pit wall and a crown beam. The pit wall is arranged on the inner side of the excavation pit close to the surface anchor pile. The crown beam is disassembled and connected to the pull rod and is located at the end of the pull rod away from the surface anchor pile. One side of the crown beam is arranged at the center above the surface, and the other side of the crown beam is arranged above the inner part of the pit wall.

[0008] Among them, the tension anchor pile disassembly mechanism also includes a ground beam and a vertical beam, one side of the ground beam is arranged below the inside of the pit wall, and the lower side of the ground beam is arranged inside the excavation pit, one end of the vertical beam is fixedly connected to the crown beam and is located below the crown beam, the other end of the vertical beam is fixedly connected to the ground beam and is located above the ground beam, and the vertical beam is arranged on the surface of the pit wall, the vertical beam is perpendicular to the crown beam, and the vertical beam is also perpendicular to the ground beam.

[0009] Among them, the tension anchor pile disassembly mechanism also includes a crossbeam, which is fixedly connected to the vertical beam and is located at the internal center of the vertical beam. The crossbeam is arranged at the surface center of the pit wall, and the crossbeam is arranged perpendicular to the vertical beam. The crossbeam is also arranged parallel to the crown beam and the ground beam.

[0010] Among them, the tension anchor pile disassembly mechanism also includes a pit bottom anchor pile, which is disassembled and connected to the ground surface and is located inside the ground surface, and the pit bottom anchor pile is arranged below the excavation pit, and the upper end of the pit bottom anchor pile is disassembled and connected to the ground beam and is located on the side of the ground beam close to the excavation pit, and the pit bottom anchor pile is arranged vertically to the ground beam.

[0011] The utility model discloses a detachable and reusable archaeological excavation pit support device, including surface and tension anchor pile disassembly mechanisms, the tension anchor pile disassembly mechanism including surface anchor piles, excavation pits and pull rods, the surface anchor piles are fixedly connected to the surface and are located above the interior of the surface, the excavation pits are fixedly connected to the surface and are located on the inner side of the surface away from the surface anchor piles, one end of the pull rod is detachably connected to the surface anchor pile and is located on the upper side of the surface anchor piles. Since the original structure is replaced by the tension anchor pile disassembly mechanism, the problem affecting the excavation progress will be actively and effectively solved under the premise of ensuring the support effectiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 It is a schematic structural diagram of the entire utility model.

[0014] Figure 2 It is a schematic diagram of the overall principle of the utility model.

[0015] 101-ground surface 102-excavation pit, 103-pit wall, 104-surface anchor piles, 105-pull rod, 106-crown beam, 107-vertical beam, 108-ground beam, 109-cross beam, 110-pit bottom anchor piles. DETAILED DESCRIPTION

[0016] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0017] See also Figure 1 and Figure 2 , Figure 1 It is a schematic diagram of the overall structure of the utility model. Figure 2 It is a schematic diagram of the overall principle of the utility model.

[0018] The present invention provides a detachable and reusable archaeological excavation pit support device, including a ground surface 101 and a tension anchor pile disassembly mechanism, wherein the tension anchor pile disassembly mechanism includes a ground anchor pile 104, an excavation pit 102, a pull rod 105, a ground beam 108, a vertical beam 107, a pit wall 103, a crown beam 106, a cross beam 109 and an anchor pile. The above scheme solves the problem that the wooden and stone structures of traditional support devices are easily affected by moisture and affect the support efficiency, and the on-site construction method is mostly adopted, and the installation and disassembly process is cumbersome and time-consuming, which affects the excavation progress. It can be understood that the above scheme can be used when supporting the excavation pit 102. Since the crown beam 106, the cross beam 109, the ground beam 108, the vertical beam 107, the ground anchor pile 104 and the pit bottom anchor pile 110 are all made of steel structure and I-steel, the pull rod 105 is made of steel strand, and the nodes are connected by bolts, they can be disassembled and reused. The depth of the pit bottom anchor pile 110 is ≥ two-thirds of the depth of the excavation pit 102, the spacing of the vertical beams 107 is 1 to 2m, H is the depth of the excavation pit 102, φ is the inclination angle of the pit wall 103, the distance between the surface anchor pile 104 and the pit bottom is L ≥ 5 + Htan (45 + φ / 2), a hole is made on the surface 101 using a Luoyang shovel, and then the surface anchor pile 104 is placed in the hole. The overall design has a convenient assembly and disassembly mechanism, which can complete the construction and dismantling of the support structure in a short time, greatly shortening the preparation and finishing time of the archaeological excavation, and improving the overall work efficiency. Through scientific and reasonable structural design, the support device can effectively resist soil pressure, prevent the collapse of the excavation pit 102 wall, provide a safe working environment for archaeologists, and reduce shutdowns and losses caused by accidents. Therefore, the problem affecting the excavation progress is actively and effectively solved under the premise of ensuring the support effect.

[0019] According to this specific embodiment, the surface anchor pile 104 is fixedly connected to the surface 101 and is located above the inside of the surface 101. The excavation pit 102 is fixedly connected to the surface 101 and is located on the inside side of the surface 101 away from the surface anchor pile 104. One end of the pull rod 105 is detachably connected to the surface anchor pile 104 and is located above the surface anchor pile 104.

[0020] In which, the pit wall 103 is arranged on the inner side of the excavation pit 102 close to the surface anchor pile 104, the crown beam 106 is detachably connected to the pull rod 105, and is located at the end of the pull rod 105 away from the surface anchor pile 104, and one side of the crown beam 106 is arranged at the center above the surface 101, and the other side of the crown beam 106 is arranged above the inner part of the pit wall 103.

[0021] Secondly, one side of the ground beam 108 is arranged below the inside of the pit wall 103, and the lower side of the ground beam 108 is arranged inside the excavation pit 102. One end of the vertical beam 107 is fixedly connected to the crown beam 106 and is located below the crown beam 106. The other end of the vertical beam 107 is fixedly connected to the ground beam 108 and is located above the ground beam 108. The vertical beam 107 is arranged on the surface of the pit wall 103. The vertical beam 107 is perpendicular to the crown beam 106, and the vertical beam 107 is also perpendicular to the ground beam 108.

[0022] At the same time, the horizontal beam 109 is fixedly connected to the vertical beam 107 and is located at the inner center of the vertical beam 107. The horizontal beam 109 is arranged at the surface center of the pit wall 103, and the horizontal beam 109 is arranged vertically to the vertical beam 107. The horizontal beam 109 is also arranged parallel to the crown beam 106 and the ground beam 108.

[0023] In addition, the pit bottom anchor pile 110 is detachably connected to the ground surface 101 and is located inside the ground surface 101, and the pit bottom anchor pile 110 is arranged below the excavation pit 102, and the upper end of the pit bottom anchor pile 110 is detachably connected to the ground beam 108 and is located on the side of the ground beam 108 close to the excavation pit 102, and the pit bottom anchor pile 110 is arranged vertically to the ground beam 108.

[0024] When the present invention is used to support the excavation pit 102, since the crown beam 106, the cross beam 109, the ground beam 108, the vertical beam 107, the surface anchor pile 104 and the pit bottom anchor pile 110 are all made of steel structure, all of which are made of I-steel, the pull rod 105 is made of steel strand, and the nodes are connected by bolts, which can be disassembled and reused. The depth of the pit bottom anchor pile 110 is ≥ two-thirds of the depth of the excavation pit 102, the spacing of the vertical beams 107 is 1 to 2m, H is the depth of the excavation pit 102, φ is the inclination angle of the pit wall 103, and the distance between the surface anchor pile 104 and the pit bottom L is ≥5+ Htan (45+φ / 2), a hole is made on the ground surface 101 using a Luoyang shovel, and then the surface anchor pile 104 is placed in the hole. The overall design has a convenient assembly and disassembly mechanism, which can complete the construction and dismantling of the support structure in a short time, greatly shortening the preparation and finishing time of archaeological excavation, and improving the overall work efficiency. Moreover, through scientific and reasonable structural design, the support device can effectively resist soil pressure and prevent the collapse of the excavation pit 102 wall, providing a safe working environment for archaeologists and reducing work stoppages and losses caused by accidents. Therefore, the problem affecting the excavation progress is actively and effectively solved under the premise of ensuring the support effect.

[0025] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the utility model.

Claims

1. A detachable and reusable archaeological excavation pit support device, characterized in that: It includes a surface and tension anchor pile disassembly mechanism, the tension anchor pile disassembly mechanism includes a surface anchor pile and a pull rod, the surface anchor pile is deep into the surface and is located above the inside of the surface, the excavation pit is fixedly connected to the surface and is located on the side of the surface away from the surface anchor pile, one end of the pull rod is disassembled and connected to the surface anchor pile and is located on the upper side of the surface anchor pile.

2. The detachable and reusable archaeological excavation pit support device according to claim 1, characterized in that: The tension anchor pile disassembly mechanism also includes a pit wall and a crown beam. The pit wall is arranged on the inner side of the excavation pit close to the surface anchor pile. The crown beam is detachably connected to the pull rod and is located at the end of the pull rod away from the surface anchor pile. One side of the crown beam is arranged at the center above the surface, and the other side of the crown beam is arranged above the inner part of the pit wall.

3. The detachable and reusable archaeological excavation pit support device according to claim 2, characterized in that: The tension anchor pile disassembly mechanism also includes a ground beam and a vertical beam. One side of the ground beam is arranged below the inside of the pit wall, and the lower side of the ground beam is arranged inside the excavation pit. One end of the vertical beam is fixedly connected to the crown beam and is located below the crown beam. The other end of the vertical beam is fixedly connected to the ground beam and is located above the ground beam. The vertical beam is arranged on the surface of the pit wall, and the vertical beam is perpendicular to the crown beam and is also perpendicular to the ground beam.

4. The detachable and reusable archaeological excavation pit support device according to claim 3, characterized in that: The tension anchor pile disassembly mechanism also includes a crossbeam, which is fixedly connected to the vertical beam and located at the inner center of the vertical beam. The crossbeam is arranged at the surface center of the pit wall, and the crossbeam is arranged perpendicular to the vertical beam. The crossbeam is also arranged parallel to the crown beam and the ground beam.

5. The detachable and reusable archaeological excavation pit support device according to claim 4, characterized in that: The tension anchor pile disassembly mechanism also includes a pit bottom anchor pile, which is detachably connected to the ground surface and located inside the ground surface, and the pit bottom anchor pile is arranged below the excavation pit, and the upper end of the pit bottom anchor pile is detachably connected to the ground beam and located on the side of the ground beam close to the excavation pit, and the pit bottom anchor pile is arranged vertically to the ground beam.

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