Auxiliary device for supplementary tensioning of anchor rod

Abstract

The utility model relates to an auxiliary device for anchor rod tension supplement, which belongs to the technical field of anchor rod tension supplement and comprises a building construction layer, a grouting round pit is arranged in the building construction layer, an anchor rod body is arranged in the grouting round pit, and the outer side of the anchor rod body is in threaded connection with a nut body. The anchor rod has the advantages that after the anchor rod body is tensioned by the tensioning assembly, the pipe rod can be rotated to drive the rotating piece to rotate, so that the socket spanner part can be driven to rotate, the nut adapting groove below the socket spanner part is matched with the nut body, and the nut body is matched with the nut adapting groove through rotation of the socket spanner part. The nut body outside the anchor rod body can be tightened, the tightening distance between the socket spanner part and the rotating piece can be increased through matched use of the groove part and the convex tooth part, so that the nut body in a grouting round pit can be tightened conveniently, and the rotating piece and the socket spanner part can have quick release performance through the structure; the auxiliary efficiency of the anchor rod body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor rod tensioning, in particular to an auxiliary device for anchor rod tensioning. Background Art

[0002] In anchor bolt construction, the accuracy of the prestress value is crucial to the stability and safety of the structure. Since various changes may occur during the construction process, such as changes in concrete strength and fine-tuning of the lengths of the anchor and free sections, which may lead to loss or changes in the prestress value, supplementary tensioning is used as a compensatory measure to ensure that the final prestress value meets the design requirements. This is especially true for prestressed anti-floating anchor bolts that use high-strength, precision-rolled rebar as the primary load-bearing component. In prestressed anti-floating anchor bolt construction, supplementary tensioning, by applying tensioning after the early prestress loss is essentially complete, can effectively overcome elastic compression losses, reduce steel stress relaxation losses, and reduce concrete shrinkage and creep losses.

[0003] During the construction of existing anti-floating anchor rods, the grout stopper is flush with the construction level, and the gasket and nut are usually higher than the construction level. Therefore, during the tensioning process, the nut can be easily rotated by a large wrench or an adjustable wrench to tighten the tensioned anchor rod.

[0004] However, in order to prevent corrosion, the new process requires an anti-corrosion layer to be set near the anchor rod near the building construction level. Therefore, the gasket and nut will be below the building construction level, that is, a grouting pit will be formed around the gasket and nut, and the nut will be in the grouting pit during the entire tensioning process, that is, the horizontal position is below the building construction level. Therefore, it is difficult to use a large wrench or an adjustable wrench to rotate and tighten the nut after tensioning the anchor rod. Utility Model Content

[0005] In view of the above problems existing in the prior art, the main purpose of the present invention is to provide an auxiliary device for anchor rod tensioning.

[0006] The technical solution of the present utility model is as follows: an auxiliary device for anchor rod tensioning, comprising a building construction layer, a grouting circular pit is provided inside the building construction layer, an anchor rod body is provided inside the grouting circular pit, the outer side of the anchor rod body is threadedly connected to a nut body, the top of the nut body is provided with a socket wrench part, the bottom end of the socket wrench part is provided with a nut adapter groove for use with the nut body, the top of the socket wrench part is fixedly connected with a convex tooth part, the top of the socket wrench part is provided with a rotating part, the outer side of the rotating part is fixedly connected with a pipe rod, the bottom end of the rotating part is provided with a groove part, and the groove part is engaged with the convex tooth part.

[0007] By adopting the above technical solution, the rotating part is driven to rotate by rotating the pipe rod, thereby driving the rotation of the socket wrench part, and the nut adaptation groove below the socket wrench part is adapted to the nut body. By rotating the socket wrench part, the nut body outside the anchor rod body can be tightened, so as to facilitate tightening the nut body in the grouting pit.

[0008] As a preferred embodiment, a tensioning assembly is provided at the top of the building construction layer, and the tensioning assembly includes a connecting tube arranged at the top of the anchor rod body, and a tensioning rod is provided at the top of the connecting tube. A tensioning bracket is placed at the top of the building construction layer and above the grouting pit, and a through-core jack is fixedly installed at the top of the tensioning bracket, and the top of the tensioning rod passes through the through-core jack and the interior of the tensioning bracket.

[0009] By adopting the above technical solution, the through-hole jack can drive the ejection part to move upward, thereby lifting the threaded fixing part to pull up the tensioning rod, thereby achieving the purpose of tensioning the anchor rod body.

[0010] As a preferred embodiment, a locking assembly is provided at the top of the through-hole jack, and the locking assembly includes an ejection portion provided at the top of the through-hole jack, and a threaded fixing piece is threadedly connected to the outside of the tensioning rod and located above the ejection portion, and the threaded fixing piece is in conflict with the top of the ejection portion.

[0011] By adopting the above technical solution, the tensioning rod can be locked as the threaded fixing piece rotates, and the tensioning rod can be fixed in the through-hole jack.

[0012] As a preferred embodiment, extension components are provided on both sides of the connecting tube, and the extension components include internal threads provided at both ends of the inner wall of the connecting tube. The bottom end of the connecting tube is threadedly connected to the anchor rod body, and the top end of the connecting tube is threadedly connected to the tensioning rod.

[0013] By adopting the above technical solution, the purpose of lengthening the anchor rod body can be achieved through the coordinated use of the connecting tube, the anchor rod body and the tensioning rod.

[0014] As a preferred embodiment, a limiting assembly is provided on the outer side of the tensioning rod, and the limiting assembly includes an abutment groove opened at the top end of the connecting cylinder, the interior of the abutment groove is clamped with a limiting sleeve, and the inner wall of the rotating part is fixedly connected with an annular plate.

[0015] By adopting the above technical solution, the connecting tube can be limited by pressing the limiting sleeve between the abutting groove and the annular plate, thereby ensuring the verticality of the anchor rod body and the tension rod.

[0016] As a preferred embodiment, both sides of the socket wrench part are fixedly connected with round tube protrusions, and the nut body is in conflict with the inner wall of the grouting pit.

[0017] By adopting the above technical solution, the protruding portion of the round tube can be used as a force application point, making it convenient to rotate the socket wrench part.

[0018] As a preferred embodiment, the top end of the limiting sleeve is in conflict with the annular plate.

[0019] By adopting the above technical solution, the limiting sleeve can be placed more stably.

[0020] As a preferred embodiment, both sides of the rotating member are fixedly connected with pipe rods.

[0021] By adopting the above technical solution and arranging the pipe rod, the rotating part can be rotated.

[0022] Compared with the prior art, the advantages and positive effects of the present invention are:

[0023] 1. In the present invention, after the tensioning assembly has completed tensioning the anchor rod body, the pipe rod can be rotated to drive the rotating part to rotate, thereby driving the rotation of the socket wrench part, and the nut adaptation groove below the socket wrench part is adapted to the nut body. By rotating the socket wrench part, the nut body outside the anchor rod body can be tightened, and the coordinated use of the groove part and the convex tooth part can lengthen the tightening distance between the socket wrench part and the rotating part, so as to facilitate tightening the nut body in the grouting pit, and the above structure can make the rotating part and the socket wrench part quick-disconnectable, so as to improve the auxiliary efficiency of the anchor rod body.

[0024] 2. In the present invention, when the anchor rod body needs to be tensioned, the through-hole jack can be used to drive the ejection part to move upward, thereby lifting the threaded fixing part to pull up the tensioning rod, thereby achieving the purpose of tensioning the anchor rod body. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The utility model provides an overall three-dimensional diagram of an auxiliary device for anchor rod tensioning;

[0026] Figure 2 The utility model provides a schematic structural diagram of a tensioning assembly of an auxiliary device for supplementary tensioning of an anchor rod;

[0027] Figure 3 The utility model provides a schematic diagram of the socket wrench portion and the rotating part structure of an auxiliary device for anchor rod tensioning;

[0028] Figure 4The utility model provides an auxiliary device for anchor rod tensioning Figure 2 Enlarged view of point A in the middle.

[0029] Legend: 1. Construction layer; 2. Grouting pit; 3. Nut body; 4. Anchor rod body; 5. Protruding part of the round tube; 6. Protruding tooth part; 7. Rotating part; 8. Pipe rod; 9. Grooved part; 10. Connecting tube; 11. Tensioning rod; 12. Limiting sleeve; 13. Abutment groove; 14. Ring plate; 15. Tensioning bracket; 16. Through-hole jack; 17. Ejector part; 18. Threaded fixing part; 19. Socket wrench part; 20. Nut adapter groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0031] Reference Figure 1-4 , an auxiliary device for anchor bolt tensioning, comprising a building construction layer 1, a grouting round pit 2 is provided inside the building construction layer 1, an anchor bolt body 4 is provided inside the grouting round pit 2, the outer side of the anchor bolt body 4 is threadedly connected with a nut body 3, the top of the nut body 3 is provided with a socket wrench part 19, the bottom end of the socket wrench part 19 is provided with a nut adapter groove 20 used in conjunction with the nut body 3, the top of the socket wrench part 19 is fixedly connected with a convex tooth part 6, the top of the socket wrench part 19 is provided with a rotating part 7, the outer side of the rotating part 7 is fixedly connected with a pipe rod 8, the bottom end of the rotating part 7 is provided with a groove part 9, the groove part 9 is engaged with the convex tooth part 6, when tensioning After the pulling assembly has completed tensioning the anchor rod body 4, the pipe rod 8 can be rotated to drive the rotating part 7 to rotate, thereby driving the rotation of the socket wrench part 19, and the nut adaptation groove 20 below the socket wrench part 19 is adapted to the nut body 3. By rotating the socket wrench part 19, the nut body 3 outside the anchor rod body 4 can be tightened, and the coordinated use of the groove part 9 and the convex tooth part 6 can lengthen the tightening distance between the socket wrench part 19 and the rotating part 7, so as to facilitate the tightening of the nut body 3 in the grouting pit 2, and the above structure can make the rotating part 7 and the socket wrench part 19 quick-disconnectable to improve the auxiliary efficiency of the anchor rod body 4.

[0032] Reference Figure 2A tensioning assembly is provided at the top of the building construction layer 1, and the tensioning assembly includes a connecting tube 10 provided at the top of the anchor body 4, and a tensioning rod 11 is provided at the top of the connecting tube 10. A tensioning bracket 15 is placed at the top of the building construction layer 1 and above the grouting pit 2. A through-core jack 16 is fixedly installed on the top of the tensioning bracket 15, and the top of the tensioning rod 11 passes through the through-core jack 16 and the interior of the tensioning bracket 15. When the anchor body 4 needs to be tensioned, the through-core jack 16 can be used to drive the ejection part 17 to move upward, and then the threaded fixing part 18 can be lifted to pull up the tensioning rod 11, thereby achieving the purpose of tensioning the anchor body 4.

[0033] Reference Figure 2 A locking assembly is provided at the top of the through-core jack 16, and the locking assembly includes an ejection portion 17 provided at the top of the through-core jack 16. A threaded fixing member 18 is threadedly connected to the outside of the tension rod 11 and located above the ejection portion 17. The threaded fixing member 18 is in conflict with the top of the ejection portion 17. As the threaded fixing member 18 rotates, the tension rod 11 can be locked, and the tension rod 11 can be fixed in the through-core jack 16.

[0034] Reference Figure 2 Extension components are provided on both sides of the connecting tube 10. The extension components include internal threads provided at both ends of the inner wall of the connecting tube 10. The bottom end of the connecting tube 10 is threadedly connected to the anchor body 4, and the top end of the connecting tube 10 is threadedly connected to the tensioning rod 11. By cooperating with the connecting tube 10, the anchor body 4 and the tensioning rod 11, the purpose of lengthening the anchor body 4 can be achieved.

[0035] Reference Figure 4 A limiting assembly is provided on the outside of the tensioning rod 11, and the limiting assembly includes an abutment groove 13 opened at the top of the connecting tube 10, and a limiting sleeve 12 is clamped inside the abutment groove 13. The inner wall of the rotating part 7 is fixedly connected with an annular plate 14. By pressing the limiting sleeve 12 between the abutment groove 13 and the annular plate 14, the connecting tube 10 can be limited, thereby ensuring the verticality of the anchor rod body 4 and the tensioning rod 11, so that the rotating part 7 is movably connected to the socket wrench part 19.

[0036] Reference Figure 3 The two sides of the socket wrench part 19 are fixedly connected with the round tube protrusion 5, and the nut body 3 is in conflict with the inner wall of the grouting pit 2. The setting of the round tube protrusion 5 can be used as a force point to facilitate the rotation of the socket wrench part 19.

[0037] Reference Figure 3 The top end of the limiting sleeve 12 is in conflict with the annular plate 14 , and both sides of the rotating member 7 are fixedly connected with a pipe rod 8 , and the setting of the pipe rod 8 facilitates the rotation of the rotating member 7 .

[0038] Working principle: First, assemble the connecting tube 10, the anchor body 4 and the tensioning rod 11, and respectively sleeve the socket wrench part 19 and the rotating member 7 on the anchor body 4 and the connecting tube 10. Then, make the top end of the tensioning rod 11 pass through the tensioning bracket 15 and the through-hole jack 16, and fix the top end of the tensioning rod 11 with the threaded fixing member 18.

[0039] When the anchor body 4 needs to be tensioned, the through-hole jack 16 can be used to drive the ejection portion 17 to move upward, thereby lifting the threaded fixing member 18 to pull up the tensioning rod 11, thereby achieving the purpose of tensioning the anchor body 4;

[0040] When the tensioning assembly has completed tensioning the anchor rod body 4, the pipe rod 8 can be rotated to drive the rotating member 7 to rotate, thereby driving the socket wrench portion 19 to rotate, and the nut adapting groove 20 below the socket wrench portion 19 is adapted to the nut body 3. By rotating the socket wrench portion 19, the nut body 3 outside the anchor rod body 4 can be tightened, and the cooperation of the groove portion 9 and the convex tooth portion 6 can lengthen the tightening distance between the socket wrench portion 19 and the rotating member 7, so as to facilitate tightening the nut body 3 in the grouting round pit 2, and the above structure can make the rotating member 7 and the socket wrench portion 19 quick-disconnectable, so as to improve the auxiliary efficiency of the anchor rod body 4;

[0041] By pressing the limiting sleeve 12 between the abutting groove 13 and the annular plate 14 , the connecting tube 10 can be limited, thereby ensuring the verticality of the anchor rod body 4 and the tensioning rod 11 , so that the rotating member 7 and the socket wrench part 19 are movably connected.

[0042] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a connection between the internal parts of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0043] The above are only preferred embodiments of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. An auxiliary device for anchor bolt tensioning, comprising a building construction layer (1), characterized in that: A grouting circular pit (2) is provided inside the building construction layer (1), an anchor rod body (4) is provided inside the grouting circular pit (2), the outer side of the anchor rod body (4) is threadedly connected to a nut body (3), a socket wrench portion (19) is provided at the top end of the nut body (3), a nut adapting groove (20) for use with the nut body (3) is provided at the bottom end of the socket wrench portion (19), a convex tooth portion (6) is fixedly connected to the top of the socket wrench portion (19), a rotating member (7) is provided at the top end of the socket wrench portion (19), a pipe rod (8) is fixedly connected to the outer side of the rotating member (7), a groove portion (9) is provided at the bottom end of the rotating member (7), and the groove portion (9) is engaged with the convex tooth portion (6).

2. The auxiliary device for anchor bolt tensioning according to claim 1, characterized in that: A tensioning assembly is provided at the top of the building construction layer (1), and the tensioning assembly includes a connecting tube (10) provided at the top of the anchor rod body (4). A tensioning rod (11) is provided at the top of the connecting tube (10). A tensioning bracket (15) is placed at the top of the building construction layer (1) and above the grouting pit (2). A through-hole jack (16) is fixedly installed at the top of the tensioning bracket (15), and the top of the tensioning rod (11) passes through the through-hole jack (16) and the interior of the tensioning bracket (15).

3. The auxiliary device for anchor bolt tensioning according to claim 2, characterized in that: A locking assembly is provided at the top of the through-hole jack (16), and the locking assembly includes an ejection portion (17) provided at the top of the through-hole jack (16). A threaded fixing member (18) is threadedly connected to the outside of the tensioning rod (11) and located above the ejection portion (17), and the threaded fixing member (18) is in conflict with the top of the ejection portion (17).

4. The auxiliary device for anchor bolt tensioning according to claim 3, characterized in that: Extension components are provided on both sides of the connecting tube (10), and the extension components include internal threads provided at both ends of the inner wall of the connecting tube (10). The bottom end of the connecting tube (10) is threadedly connected to the anchor rod body (4), and the top end of the connecting tube (10) is threadedly connected to the tension rod (11).

5. The auxiliary device for anchor bolt tensioning according to claim 4, characterized in that: A limiting assembly is provided on the outside of the tensioning rod (11), and the limiting assembly includes an abutment groove (13) provided at the top end of the connecting cylinder (10), a limiting sleeve (12) is clamped inside the abutment groove (13), and an annular plate (14) is fixedly connected to the inner wall of the rotating member (7).

6. The auxiliary device for anchor bolt tensioning according to claim 1, characterized in that: Both sides of the socket wrench portion (19) are fixedly connected with round tube protrusions (5), and the nut body (3) is in contact with the inner wall of the grouting circular pit (2).

7. The auxiliary device for anchor bolt tensioning according to claim 5, characterized in that: The top end of the limiting sleeve (12) is in conflict with the annular plate (14).

8. The auxiliary device for anchor bolt tensioning according to claim 1, characterized in that: Both sides of the rotating member (7) are fixedly connected with pipe rods (8).

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