Protruding type anchorage device anchor sealing device

Abstract

The utility model relates to a protruding type anchorage device anchor sealing device. The protruding type anchorage device anchor sealing device comprises an anchorage device protection steel ring, a short split bolt, a long split bolt, a nut, a side formwork, an end formwork and a fixing bolt. The anchorage device is sleeved with the anchorage device protection steel ring, and the anchorage device protection steel ring and the anchorage device are connected through a bonding layer; the number of the side formworks is four, and a rectangular frame is defined by the side formworks and surrounds the anchorage device protection steel ring. The inner ends of a plurality of short split bolts are welded to the outer wall of the anchorage device protection steel ring, and the outer ends of the short split bolts penetrate out of the side formwork and then are locked through nuts. The two ends of the long opposite-pull screw penetrate through the two opposite side formworks and then are locked through nuts. A rectangular end template is fixed on the rectangular frame through a fixing bolt; and concrete is poured into the rectangular frame. The anchor sealing device is convenient to construct and capable of ensuring the anchor sealing quality and belongs to the technical field of building construction.

Description

Technical Field

[0001] The utility model relates to building construction technology, in particular to a protruding anchor sealing device, which is specially used for sealing the protruding anchor. Background Art

[0002] At present, due to the rapid development of infrastructure construction, prestressed technology has developed by leaps and bounds. It is difficult to use traditional construction methods to seal the anchors of many protruding anchors, and the sealing technology requires high standards. For example, most of the unbonded prestressed tendons at the bottom of buttress retaining walls use protruding anchors. Since there are no traction points around, traditional sealing technology cannot meet the requirements.

[0003] The traditional anchor sealing technology of protruding anchors is: after the anchors are anchored to the prestressed tendons, wooden boards are set up around the anchors as templates, the wooden boards are fastened by nails, and finally concrete is poured into the mold surrounded by the templates. This technology has the following disadvantages: it is difficult to align the wooden boards manually and it is necessary to drive multiple nails, which makes the operation process complicated; it is difficult to ensure the quality of anchor sealing. Utility Model Content

[0004] In view of the technical problems existing in the prior art, the purpose of the utility model is to provide a protruding anchor sealing device, which is convenient to construct and can ensure the sealing quality of the anchor.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A protruding anchor sealing device comprises: an anchor protection steel ring, short tension bolts, long tension bolts, nuts, side formwork, end formwork, and fixing bolts; the anchor protection steel ring is sleeved outside the anchor, and the anchor protection steel ring and the anchor are connected by an adhesive layer; there are four side formworks, which form a rectangular frame surrounding the anchor protection steel ring; the inner ends of multiple short tension bolts are welded to the outer wall of the anchor protection steel ring, and the outer ends of the short tension bolts pass through the side formwork and are locked by nuts; the two ends of the long tension screw pass through two opposite side formworks and are locked by nuts; the rectangular end formwork is fixed to the rectangular frame by fixing bolts; concrete is poured into the rectangular frame.

[0007] As a preferred embodiment, the number of short tension bolts is four, arranged in a cross shape, and located in the lower layer; the number of long tension bolts is two, staggered in a cross shape, and located in the upper layer, and located above the anchor protection steel ring.

[0008] As a preferred embodiment, in the side formwork, limit blocks are welded on the inner sides of two opposite side formworks. When the two side formworks are spliced ​​with the other two side formworks, the inner sides of the other two side formworks are close to the limit blocks, and the outer sides of the other two side formworks are flush with the sides of the two side formworks.

[0009] As a preferred embodiment, the cross section of the limit block is a right triangle; four limit blocks corresponding to the four corners are welded on a side template.

[0010] As a preferred embodiment, retaining glue is poured between the anchor protection steel ring and the anchor to form an adhesive layer.

[0011] As a preferred embodiment, a threaded mounting hole is provided at the upper end of the side template for mounting the end template.

[0012] As a preferred embodiment, the end template is provided with grouting holes and overflow holes located at diagonals.

[0013] As a preferred embodiment, the material of the end formwork is wood, and the materials of the side formwork, anchor protection steel ring, short tension bolts and long tension bolts are all steel.

[0014] As a preference, the nuts used for tension locking are located on the outside of the side formwork, or on the outside and inside of the side formwork.

[0015] As a preferred embodiment, the anchor protection steel ring is cylindrical, and when it is sleeved outside the anchor, the upper end is flush with the upper end of the anchor.

[0016] The utility model has the following advantages:

[0017] 1. The side formwork is locked by tension bolts and nuts, and the end formwork is installed by fixing bolts. The construction is convenient, easy to assemble and disassemble, and locked firmly. The anchor protection steel ring can fix the anchor stably to ensure the quality of anchor sealing. Most parts can be reused, with strong overall versatility, simple structure and low cost.

[0018] 2. The use of limit blocks to assist in positioning makes positioning easy and provides force support for adjacent side formworks. The limit blocks can also enhance the rigidity of adjacent rectangular frames.

[0019] 3. It is easy to implement standardized installation procedures, achieve efficient and quick installation, and ensure construction quality.

[0020] 4. Set grouting holes and overflow holes to facilitate grouting operations.

[0021] 5. The side formwork is made of steel plate, which can be reused to save costs.

[0022] 6. The end formwork adopts wooden formwork, which is light, cheap and can be obtained locally.

[0023] 7. The tension bolts and anchor protection steel rings are made of steel, which places high demands on anchor protection.

[0024] 8. The retaining glue is cheap, has a firm connection and high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1It is a schematic diagram of the protruding anchor sealing device when viewed from above.

[0026] Figure 2 yes Figure 1 Cross-sectional view along the AA direction.

[0027] Among them, 1-overflow hole, 2-prestressed tendons, 3-fixing bolts, 4-side formwork, 5-anchor protection steel ring, 6-anchor, 7-short tension bolts, 8-grouting holes, 9-limiting blocks, 10-end formwork, 11-long tension bolts.

[0028] L is the height of the anchor and D is the thickness of the protective layer. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below in conjunction with specific implementation methods.

[0030] A protruding anchor sealing device comprises: an anchor protection steel ring, short tension bolts, long tension bolts, nuts, side formwork, end formwork, and fixing bolts; the anchor protection steel ring is sleeved outside the anchor, and the anchor protection steel ring and the anchor are connected by an adhesive layer; there are four side formworks, which form a rectangular frame surrounding the anchor protection steel ring; the inner ends of multiple short tension bolts are welded to the outer wall of the anchor protection steel ring, and the outer ends of the short tension bolts pass through the side formwork and are locked by nuts; the two ends of the long tension screw pass through two opposite side formworks and are locked by nuts; the rectangular end formwork is fixed to the rectangular frame by fixing bolts; concrete is poured into the rectangular frame.

[0031] There are four short tension bolts, which are arranged in a cross shape and located in the lower layer; there are two long tension bolts, which are staggered up and down in a cross shape and located in the upper layer and above the anchor protection steel ring.

[0032] In the side formwork, the inner sides of two opposite side formworks are welded with limit blocks. When the two side formworks are spliced ​​with the other two side formworks, the inner sides of the other two side formworks are close to the limit blocks, and the outer sides of the other two side formworks are flush with the side edges of the two side formworks.

[0033] The cross section of the limit block is a right triangle; four limit blocks corresponding to the four corners are welded on a side template.

[0034] Retaining glue is injected between the anchor protection steel ring and the anchor to form a bonding layer.

[0035] The upper end of the side template is provided with a threaded mounting hole for mounting the end template. Figure 2 As shown, the threaded mounting holes penetrate the side template from top to bottom.

[0036] Grouting holes and overflow holes located at opposite corners are provided on the end template.

[0037] The material of the end formwork is wood, and the materials of the side formwork, anchor protection steel ring, short tension bolts and long tension bolts are all steel.

[0038] The nut used for tension locking is located on the outside of the side formwork, or on the outside and inside of the side formwork. This embodiment adopts the method of being located on the outside.

[0039] The anchor protection steel ring is cylindrical, and when it is put on the outside of the anchor, the upper end is flush with the upper end of the anchor.

[0040] Figure 2 As shown, the height of the anchor is L, the height of the anchor protection steel ring is also L, the short tension bolts should be set at L / 2, and the protective layer thickness D should be estimated based on the height of the anchor.

[0041] A protruding anchor sealing device is arranged around the anchor, and the anchor support sealing template is fixed by means of prestressed tendons. The specific installation method is: an anchor protection steel ring is put on the outer periphery of the anchor, and retaining glue is poured between the anchor protection steel ring and the anchor, and fixed with a bonding layer after solidification; short tension bolts are welded to the anchor protection steel ring before installation, and the side template is installed after the retaining glue is solidified, and the side template is aligning with the help of tension bolts and limit blocks, and then the tension bolts are locked with nuts; the end template is installed; finally, concrete is poured into the grouting hole, and the installation of the anchor sealing device is completed after drying.

[0042] In addition to the above-mentioned embodiments, the following changes can be made: when the limit block is not used, when the side template is surrounded by a rectangular frame, the tension bolts can be locked by arranging nuts on both the outside and inside of the side template; when the sealing anchor device is arranged obliquely, that is, Figure 2 When rotating 90 degrees clockwise, grouting holes and overflow holes must be reserved, and grouting should be done through the grouting holes after the end template is installed; Figure 2 When the arrangement is carried out in the same manner, the grouting holes and the overflow holes may not be left, and the end template may be installed after the rectangular frame is grouted and dried; the number of short tension bolts and long tension bolts may be appropriately increased. These changes are all within the protection scope of the utility model.

[0043] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A protruding anchor sealing device, characterized in that: include: Anchor protection steel ring, short tension bolts, long tension bolts, nuts, side formwork, end formwork, fixing bolts; the anchor protection steel ring is sleeved on the outside of the anchor, and the anchor protection steel ring and the anchor are connected by an adhesive layer; there are four side formworks, which form a rectangular frame surrounding the anchor protection steel ring; the inner ends of multiple short tension bolts are welded to the outer wall of the anchor protection steel ring, and the outer ends of the short tension bolts pass through the side formwork and are locked by nuts; both ends of the long tension screw pass through the two opposite side formworks and are locked by nuts; the rectangular end formwork is fixed to the rectangular frame by fixing bolts; concrete is poured into the rectangular frame.

2. A protruding anchor sealing device according to claim 1, characterized in that: There are four short tension bolts, which are arranged in a cross shape and located in the lower layer; there are two long tension bolts, which are staggered in a cross shape and located in the upper layer and above the anchor protection steel ring.

3. A protruding anchor sealing device according to claim 1, characterized in that: In the side formwork, the inner sides of two opposite side formworks are welded with limit blocks. When the two side formworks are spliced ​​with the other two side formworks, the inner sides of the other two side formworks are close to the limit blocks, and the outer sides of the other two side formworks are flush with the side edges of the two side formworks.

4. A protruding anchor sealing device according to claim 3, characterized in that: The cross section of the limit block is a right triangle; four limit blocks corresponding to the four corners are welded on a side template.

5. A protruding anchor sealing device according to claim 1, characterized in that: Retaining glue is injected between the anchor protection steel ring and the anchor to form a bonding layer.

6. A protruding anchor sealing device according to claim 1, characterized in that: The upper end of the side template is provided with a threaded mounting hole for mounting the end template.

7. A protruding anchor sealing device according to claim 1, characterized in that: Grouting holes and overflow holes located at opposite corners are provided on the end template.

8. A protruding anchor sealing device according to claim 1, characterized in that: The material of the end formwork is wood, and the materials of the side formwork, anchor protection steel ring, short tension bolts and long tension bolts are all steel.

9. A protruding anchor sealing device according to claim 1, characterized in that: The nuts used for tension locking are located on the outside of the side formwork, or on the outside and inside of the side formwork.

10. A protruding anchor sealing device according to claim 1, characterized in that: The anchor protection steel ring is cylindrical, and when it is put on the outside of the anchor, the upper end is flush with the upper end of the anchor.

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