Prefabricated anchorage pier slope retaining structure

Abstract

The utility model belongs to the field of supporting and retaining structures, and particularly relates to a prefabricated anchorage pier slope supporting and retaining structure which comprises a cross anchorage pier. The fixing assembly is mounted on the cross anchor pier; the fixing assembly comprises a locking piece, an anchor rod a and an anchor rod b. The fixing assembly fixes the cross anchorage pier on a side slope, the anchor rod b is inserted into the side slope through a tool, the anchor rod a and the anchor rod b are in threaded connection after the anchor rod b is inserted, the anchor rod a is rotated through the tool after connection, and the rotation direction is consistent with the threaded connection direction of the anchor rod a, so that the problem that the anchor rod a is separated from the anchor rod b after the anchor rod a is rotated is solved; when the anchor rod a rotates to the limit, the anchor rod b can be driven to rotate and continue tunneling, when the tunneling depth is enough and the anchor rod a is screwed into a certain depth, the anchor rod a has certain prestress, at the moment, the tensioning stress generated by the anchor rod a is maintained through installation of the locking piece and the anchor rod a, and compared with traditional pouring fixing, the device can be fixed more rapidly.

Description

Technical Field

[0001] This utility model belongs to the field of retaining structures, specifically relating to a prefabricated anchor pier slope retaining structure. Background Technology

[0002] Traditional slope retaining structures often use circular or simple geometric anchors, which can lead to stress concentration causing soil collapse, low construction efficiency, complex casting of irregularly shaped anchors, time-consuming grouting and fixing, poor overall integrity, and difficulty in resisting earthquake or traffic vibration torque. Moreover, the anchors are mostly fixed using traditional grouting technology, which cannot meet the needs of rapid reinforcement in emergency rescue and delays the opportunity for slope protection. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, this utility model provides a prefabricated anchor pier slope support structure, which effectively solves the problems of traditional slope support structures that mostly use circular or simple geometric anchor piers, resulting in stress concentration leading to soil crushing, low construction efficiency, complex casting of irregularly shaped anchor piers, grouting and fixing taking several hours, poor overall integrity, and difficulty in resisting earthquake or traffic vibration torque. Moreover, the anchor piers are mostly fixed using traditional grouting processes, which cannot meet the needs of rapid reinforcement in emergency rescue and delay the opportunity for slope protection.

[0004] One embodiment of this utility model provides a prefabricated anchor pier slope support structure, comprising:

[0005] Cross-shaped anchor pier;

[0006] A fixing component, which is mounted on the cross anchor block;

[0007] The fixing assembly includes a locking element, anchor a, and anchor b;

[0008] The locking element is installed on the cross anchor block;

[0009] One end of the anchor rod a passes through the cross anchor block and is connected to the locking member;

[0010] The anchor rod b is screwed to the end of the anchor rod a away from the locking member;

[0011] The locking component is used to fix the cross anchor block to the slope, the anchor rod a is used to drive the anchor rod b to move, and the anchor rod b is used to insert into the slope.

[0012] This utility model discloses a prefabricated anchor pier slope support structure. The fixing assembly secures the cross-shaped anchor pier to the slope. Anchor rod b is first inserted into the slope using a tool. After insertion, anchor rod a is threadedly connected to anchor rod b. Then, anchor rod a is rotated using a tool, with the rotation direction consistent with the threaded connection direction, thus preventing the anchor rod a from detaching from anchor rod b after rotation. When anchor rod a rotates to its limit, anchor rod b is also rotated, causing further excavation into the slope. When the excavation depth is sufficient, anchor rod a has a certain prestress after being screwed in to a certain depth. The installation of a locking component with anchor rod a maintains the tensile stress generated by anchor rod a. Compared to traditional casting fixing, this device allows for faster fixing. Locking the locking component completes the overall fixing of the cross-shaped anchor pier, reducing the anchor pier fixing time and significantly improving the efficiency of emergency slope rescue.

[0013] In one embodiment, the locking element includes a cover plate and a locking nut.

[0014] In one embodiment, the cover plate is disposed on one side of the cross anchor block, and the cover plate is provided with a through hole whose size is adapted to the size of the end face of the anchor rod a.

[0015] In one embodiment, the locking nut is located on the side of the cover plate away from the cross anchor block;

[0016] One end of the anchor rod a passes through the cross anchor block and the through hole and is threadedly connected to the lock nut.

[0017] In one embodiment, the anchor rod a is provided with a connecting part and a threaded locking part.

[0018] In one embodiment, the connecting portion is located on the side of the locking nut away from the cover plate;

[0019] The threaded locking part is located on one side of the connecting part, and the connecting part is used to connect with an external tool.

[0020] In one embodiment, one end of the threaded locking part is threadedly connected to the anchor rod b, and the anchor rod b has a threaded groove that matches the size of the threaded locking part.

[0021] In one embodiment, the anchor rod b is provided with a clamping part, which is used to clamp the anchor rod b after it is inserted into the slope.

[0022] In one embodiment, each protruding end of the cross anchor is provided with a reserved steel bar, and at least two lifting rings are provided on the cross anchor, the lifting rings being connected to the main reinforcement of the cross anchor.

[0023] In one embodiment, the cover plate is a trapezoidal frustum.

[0024] The precast anchor pier slope retaining structure provided by the above technical solution has the following beneficial effects:

[0025] The fixing assembly secures the cross-shaped anchor to the slope. Anchor rod B is first inserted into the slope using a tool. After anchor rod B is inserted, anchor rod A is threadedly connected to anchor rod B. After connection, anchor rod A is rotated using a tool, with the rotation direction consistent with the direction of the threaded connection of anchor rod A. This prevents anchor rod A from detaching from anchor rod B after rotation. When anchor rod A rotates to its limit, anchor rod B will be driven to rotate, thus excavating deeper into the slope. When the excavation depth is sufficient, anchor rod A will have a certain prestress after being screwed in to a certain depth. At this point, the installation of the locking device with anchor rod A maintains the tensile stress generated by anchor rod A. Compared with traditional pouring and fixing, this device can fix the anchor more quickly. Locking the locking device completes the overall fixing of the cross-shaped anchor, reducing the anchor fixing time and greatly improving the efficiency of emergency slope rescue. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of this utility model;

[0028] Figure 2 This is a partial structural schematic diagram of the present invention;

[0029] Figure 3 This is an installation diagram of the present invention;

[0030] Figure 4 This is a schematic diagram of the structure of anchor rod b of this utility model;

[0031] Figure 5 This is a schematic diagram of the installation of this utility model on a slope.

[0032] The markings in the diagram are explained as follows:

[0033] 100. Cross-shaped anchor block; 110. Reserved reinforcing steel bar; 120. Lifting ring;

[0034] 200. Fixed components;

[0035] 210. Locking component; 211. Cover plate; 212. Locking nut; 213. Through hole;

[0036] 220. Anchor bolt a; 221. Connecting part; 222. Threaded locking part;

[0037] 230, Anchor bolt b; 231, Threaded groove; 232, Clamping part. Detailed Implementation

[0038] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0039] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0041] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0042] Combination Figures 1 to 5 As shown, one embodiment of this utility model provides a prefabricated anchor pier slope retaining structure, including:

[0043] 100 cross-shaped anchor blocks;

[0044] A fixing component 200 is installed on the cross anchor block 100;

[0045] The fixing component 200 includes a locking member 210, an anchor rod a 220, and an anchor rod b 230;

[0046] The locking element 210 is installed on the cross anchor block 100;

[0047] One end of the anchor rod a 220 passes through the cross anchor block 100 and is connected to the locking member 210;

[0048] The anchor rod b 230 is screwed to the end of the anchor rod a 220 away from the locking member 210;

[0049] The locking member 210 is used to fix the cross anchor 100 to the slope, the anchor a 220 is used to drive the anchor b 230 to move, and the anchor b 230 is used to insert into the slope.

[0050] This utility model discloses a prefabricated anchor pier slope support structure. The cross anchor pier 100 is fixed to the slope using a fixing component 200. Anchor rod b 230 is first inserted into the slope using a tool. After insertion, anchor rod a 220 is threadedly connected to anchor rod b 230. Then, anchor rod a 220 is rotated using a tool, with the rotation direction consistent with the threaded connection direction. This prevents anchor rod a 220 from detaching from anchor rod b 230 after rotation. When anchor rod a 220 rotates to its limit, anchor rod b 230 is also rotated, causing further excavation into the slope. When the excavation depth is sufficient, anchor rod a 220 will have a certain prestress after being screwed in to a certain depth. At this point, the locking component 210 is installed with anchor rod a 220 to maintain the anchor rod a 220. The tensile stress generated by 220 allows for faster fixing compared to traditional casting. Locking the locking piece 210 completes the overall fixing of the cross anchor 100, reducing the time required to fix the anchor and greatly improving the efficiency of emergency slope rescue.

[0051] It should be noted that by installing multiple cross-shaped anchor blocks 100 for slope protection, the four extended arms of the cross shape evenly distribute the tension of the anchor rod a 220 to a larger area of ​​soil, resulting in a better contact area than traditional circular anchor blocks. This effectively reduces local compressive stress and requires less pouring time compared to other traditional shapes. The cross-shaped anchor blocks 100 can be fixed to the slope using the fixing component 200. The cover plate 211 is used to ensure a larger contact area with the cross-shaped anchor blocks 100 after the anchor rod a 220 is installed, thus making the cross-shaped anchor blocks 100 more securely installed. The fixing component 200 is used to tighten the slope and is used in emergency rescue scenarios, saving the time of grouting fixation and thus reducing the time required to install the cross-shaped anchor blocks 100.

[0052] In one embodiment, the locking member 210 includes a cover plate 211 and a locking nut 212;

[0053] The cover plate 211 is disposed on one side of the cross anchor 100, and the cover plate 211 is provided with a through hole 213 whose size is adapted to the end face size of the anchor rod a 220;

[0054] The locking nut 212 is located on the side of the cover plate 211 away from the cross anchor 100;

[0055] One end of the anchor rod a 220 passes through the cross anchor block 100 and the through hole 213 and is threadedly connected to the locking nut 212;

[0056] The anchor rod a 220 is provided with a connecting part 221 and a threaded locking part 222;

[0057] The connecting part 221 is located on the side of the locking nut 212 away from the cover plate 211;

[0058] The threaded locking part 222 is disposed on one side of the connecting part 221, and the connecting part 221 is used to connect with an external tool.

[0059] In this embodiment, the cover plate 211 decomposes the axial tensile force of the anchor rod a 220 into vertical compressive stress and horizontal frictional resistance through the inclined surface. The compressive stress is dispersed to a wider area of ​​soil, avoiding local crushing. The friction coefficient of the inclined surface provides additional anti-slip force to resist the slippage of the cover plate 211 caused by the rebound of the anchor rod a 220. The trapezoidal section has a better moment of inertia than the flat plate, which significantly reduces the bending deformation of the cover plate 211 under prestress. The locking nut 212 is used to lock the anchor rod a 220 when the anchor rod a 220 drives the anchor rod b 230 to extend into the fixed position of the slope, thereby maintaining the tensile stress of the anchor rod a 220. This eliminates the need for pouring to fix the anchor block, greatly improving the efficiency of emergency rescue in the scenario of slope emergency rescue.

[0060] In one embodiment, one end of the threaded locking part 222 is threadedly connected to the anchor rod b 230, and the anchor rod b 230 is provided with a threaded groove 231 that is adapted to the size of the threaded locking part 222;

[0061] The anchor rod b 230 is provided with a clamping part 232, which is used to clamp the anchor rod b 230 after it is inserted into the slope.

[0062] In this embodiment, the threaded locking part 222 is used to thread the anchor rod b 230. After connection, the connecting part 221 is rotated by a tool. When the threaded locking part 222 and the threaded groove 231 of the anchor rod b 230 are connected to the boundary point, the connection is continued to rotate in the direction of the threaded locking part 222. This will drive the anchor rod b 230 to rotate. After the anchor rod b 230 rotates, it continues to extend into the slope by the continuous rotation of the locking part 232.

[0063] It should be noted that the locking part 232 is threaded, so that it can better extend into the slope after rotation. The shape of the thread can be the shape of a screw or other shapes that facilitate the insertion of the locking part 232 into the slope, and no further restrictions are imposed here.

[0064] In one embodiment, each protruding end of the cross anchor 100 is provided with a reserved reinforcing bar 110, and at least two lifting rings 120 are provided on the cross anchor 100, the lifting rings 120 being connected to the main reinforcing bar of the cross anchor 100.

[0065] In this embodiment, the lifting ring 120 is connected to the main reinforcement in the cross anchor 100, which has a certain rigidity and is not easy to deform or break during the lifting process. The main reinforcement of the cross anchor 100 is usually HRB grade steel bar distributed in a mesh. After the lifting ring 120 is welded to the main reinforcement, it becomes part of the overall load-bearing frame. The lifting force is evenly transmitted through the lifting ring 120-main reinforcement-the entire anchor, avoiding local stress concentration.

[0066] In one embodiment, the cover plate 211 is a trapezoidal frustum.

[0067] In this embodiment, the trapezoidal truncated pyramidal cover plate 211 decomposes the axial tensile force of anchor rod a 220 into vertical compressive stress and horizontal frictional resistance through the inclined surface. The compressive stress is dispersed to a larger area of ​​soil, avoiding local crushing. The friction coefficient of the inclined surface provides additional anti-slip force to resist the slippage of cover plate 211 caused by the rebound of anchor rod a 220. The trapezoidal section has a better moment of inertia than a flat plate, which significantly reduces the bending deformation of cover plate 211 under prestress.

[0068] The working principle of this utility model:

[0069] The cross anchor 100 is fixed to the slope by the fixing component 200. Anchor rod b 230 is first inserted into the slope using a tool. After anchor rod b 230 is inserted, anchor rod a 220 is threadedly connected to anchor rod b 230. After connection, anchor rod a 220 is rotated using a tool, with the rotation direction consistent with the direction of the threaded connection of anchor rod a 220. This prevents anchor rod a 220 from detaching from anchor rod b 230 after rotation. When anchor rod a 220 is rotated to its limit, anchor rod b 230 will be driven to rotate, thus excavating deeper into the slope. When the excavation depth is sufficient, anchor rod a 220 will have a certain prestress. At this point, the installation of locking component 210 with anchor rod a 220 maintains the anchor rod a 220. The tensile stress generated by 220 allows for faster fixing compared to traditional casting. Locking the locking piece 210 completes the overall fixing of the cross anchor 100, reducing the time required to fix the anchor and greatly improving the efficiency of emergency slope rescue.

[0070] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made using the paper parts and drawings of the present utility model under the inventive concept of the present utility model, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present utility model.

Claims

1. A prefabricated anchor pier slope support structure, characterized in that, include: Cross-shaped anchor block (100); A fixing component (200) is mounted on the cross anchor block (100); The fixing component (200) includes a locking member (210), an anchor a (220), and an anchor b (230); The locking element (210) is installed on the cross anchor block (100); One end of the anchor rod a (220) passes through the cross anchor block (100) and is connected to the locking member (210); The anchor rod b (230) is screwed to the end of the anchor rod a (220) away from the locking member (210); The locking member (210) is used to fix the cross anchor (100) on the slope, the anchor a (220) is used to drive the anchor b (230) to move, and the anchor b (230) is used to insert into the slope.

2. The prefabricated anchor pier slope support structure as described in claim 1, characterized in that, The locking element (210) includes a cover plate (211) and a locking nut (212).

3. The prefabricated anchor pier slope support structure as described in claim 2, characterized in that, The cover plate (211) is disposed on one side of the cross anchor block (100), and the cover plate (211) is provided with a through hole (213) whose size is adapted to the end face size of the anchor rod a (220).

4. The prefabricated anchor pier slope support structure as described in claim 3, characterized in that, The locking nut (212) is located on the side of the cover plate (211) away from the cross anchor (100); One end of the anchor rod a (220) passes through the cross anchor block (100) and the through hole (213) and is threadedly connected to the locking nut (212).

5. A prefabricated anchor pier slope support structure as described in claim 2, characterized in that, The anchor rod a (220) is provided with a connecting part (221) and a threaded locking part (222).

6. The prefabricated anchor pier slope retaining structure as described in claim 5, characterized in that, The connecting part (221) is located on the side of the locking nut (212) away from the cover plate (211); The threaded locking part (222) is disposed on one side of the connecting part (221), and the connecting part (221) is used to connect with an external tool.

7. The prefabricated anchor pier slope support structure as described in claim 5, characterized in that, One end of the threaded locking part (222) is threadedly connected to the anchor rod b (230), and the anchor rod b (230) has a threaded groove (231) that is adapted to the size of the threaded locking part (222).

8. The prefabricated anchor pier slope support structure as described in claim 1, characterized in that, The anchor rod b (230) is provided with a clamping part (232), which is used to clamp the anchor rod b (230) after it is inserted into the slope.

9. A prefabricated anchor pier slope support structure as described in claim 1, characterized in that, Each protruding end of the cross anchor (100) is provided with a reserved steel bar (110), and at least two lifting rings (120) are provided on the cross anchor (100), and the lifting rings (120) are connected to the main reinforcement of the cross anchor (100).

10. A prefabricated anchor pier slope support structure as described in claim 2, characterized in that, The cover plate (211) is a trapezoidal frustum.

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