CN211114433U - Prestressed anchorage utensil with external type anchor device - Google Patents
Prestressed anchorage utensil with external type anchor device Download PDFInfo
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- CN211114433U CN211114433U CN201921888815.2U CN201921888815U CN211114433U CN 211114433 U CN211114433 U CN 211114433U CN 201921888815 U CN201921888815 U CN 201921888815U CN 211114433 U CN211114433 U CN 211114433U
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- anchoring
- sleeve
- plate
- anchor
- reinforcing
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Abstract
The utility model discloses a prestressed anchorage utensil with external type anchor, a serial communication port, including anchor backing plate (1), the cover is established at outside spiral muscle (13) of anchor backing plate (1) to and the anchor of being connected with anchor backing plate (1). The utility model discloses an anchor is provided with the adapter sleeve, and the adapter sleeve both ends all are provided with the anchor board, pull steel strand wires through the clamping piece on two anchor boards to improve the intensity of ground tackle. Additionally, the utility model discloses an anchor backing plate is provided with outside and consolidates cover, middle part and the inboard cover that consolidates, when using respectively to the outside and consolidate cover, middle part and consolidate and fill in the cover and pour into the concrete thick liquid in the inboard cover that consolidates, increases the area of contact between anchor backing plate and concrete, improves the intensity of ground tackle.
Description
Technical Field
The utility model relates to a prestressed anchorage technical field specifically provides a prestressed anchorage utensil with external type anchor.
Background
The anchorage device is a permanent anchorage device used in prestressed concrete, and is an anchorage tool used in a post-tensioning structure or a post-tensioning member for maintaining the tensile force of a prestressed tendon and transmitting the tensile force to the interior of the concrete. The traditional anchorage device has insufficient strength and cannot meet the requirement of large-tonnage concrete anchorage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned defect, provide a prestressed anchorage utensil of high strength.
The purpose of the utility model is realized through the following technical scheme: a prestressed anchorage device with an external anchoring device comprises an anchoring backing plate, a spiral rib sleeved outside the anchoring backing plate and an anchoring device connected with the anchoring backing plate; the anchoring device comprises a connecting sleeve connected with the anchoring backing plate, an outer anchoring plate arranged at one end of the connecting sleeve, and an inner anchoring plate arranged at the other end of the connecting sleeve; the anchoring backing plate comprises a plate body, a reinforcing sleeve connected to the plate body and a grouting mechanism communicated with the reinforcing sleeve; the spiral rib is sleeved outside the reinforcing sleeve.
Further, the reinforcing sleeve comprises an outer reinforcing sleeve, a middle reinforcing sleeve and an inner reinforcing sleeve which are connected with the plate body and are sequentially sleeved from outside to inside; an outer reinforcing cavity is formed between the outer reinforcing sleeve and the middle reinforcing sleeve, and an inner reinforcing cavity is formed between the middle reinforcing sleeve and the inner reinforcing sleeve.
The grouting mechanism comprises a main grouting pipe which penetrates through the plate body and is communicated with the inner reinforcing cavity, a lateral reinforcing cavity grouting branch pipe of which one end is communicated with the main grouting pipe and the other end is communicated with the lateral reinforcing cavity, and an inner reinforcing sleeve grouting branch pipe of which one end is communicated with the main grouting pipe and the other end is communicated with the inner reinforcing sleeve.
The two ends of the connecting sleeve are provided with connecting sleeve sinking tables, and the outer side anchoring plate and the inner side anchoring plate are respectively arranged in the connecting sleeve sinking tables at the two ends of the connecting sleeve; the plate body is provided with a plate body sinking platform, and the inner side anchoring plate is arranged between the connecting sleeve sinking platform and the plate body sinking platform.
A plurality of through holes are formed in the outer anchoring plate, and clamping pieces are movably mounted in the through holes.
The plate body is connected with an outer cover, and the anchoring device is located inside the outer cover.
Compared with the prior art, the utility model, have following advantage and beneficial effect: the utility model discloses an anchor is provided with the adapter sleeve, and the adapter sleeve both ends all are provided with the anchor board, pull steel strand wires through the clamping piece on two anchor boards to improve the intensity of ground tackle. Additionally, the utility model discloses an anchor backing plate is provided with outside and consolidates cover, middle part and the inboard cover that consolidates, when using respectively to the outside and consolidate cover, middle part and consolidate and fill in the cover and pour into the concrete thick liquid in the inboard cover that consolidates, increases the area of contact between anchor backing plate and concrete, improves the intensity of ground tackle.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a structural view of the outer anchor plate of the present invention.
Fig. 3 is a cross-sectional view of the anchoring backing plate of the present invention.
Fig. 4 is a sectional view of the connecting sleeve of the present invention.
The reference numbers in the drawings are:
1-anchoring backing plate, 2-connecting sleeve, 3-outer cover, 4-clamping piece, 5-outside anchoring plate, 6-inside anchoring plate, 7-inside reinforcing cavity, 8-inside reinforcing sleeve, 9-plate body, 10-middle reinforcing sleeve, 11-outside reinforcing cavity, 12-outside reinforcing sleeve, 13-spiral rib, 14-corrugated pipe, 15-steel strand, 16-through hole, 17-grouting main pipe, 18-plate body sinking platform, 19-inside reinforcing sleeve grouting branch pipe, 20-connecting sleeve sinking platform and 21-outside reinforcing cavity grouting branch pipe.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Examples
As shown in fig. 1, the utility model discloses a prestressed anchorage utensil with external type anchor, including anchor backing plate 1, the cover is established at the outside spiral muscle 13 of anchor backing plate 1 to and the anchor of being connected with anchor backing plate 1.
Specifically, the anchoring device comprises a connecting sleeve 2, an outer anchoring plate 5 arranged at one end of the connecting sleeve 2, and an inner anchoring plate 6 arranged at the other end of the connecting sleeve 2. When in use, one end of the connecting sleeve 2 is tightly pressed against the anchoring backing plate 1, and the inner anchoring plate 6 is positioned on one side close to the anchoring backing plate 1. During installation, as shown in fig. 4, the two ends of the connecting sleeve 2 are both provided with connecting sleeve sunken tables 20, and the outer anchoring plate 5 and the inner anchoring plate 6 are respectively clamped into the connecting sleeve sunken tables 20 at the two ends of the connecting sleeve 2.
As shown in fig. 2, the outer anchoring plate 5 is provided with a plurality of through holes 16, the clips 4 are movably mounted in the through holes 16, the structure of each clip 4 is the same as that of a conventional anchor clip, each clip is conical and can be contracted when being extruded on the inner wall of the through hole 16, so that the clip can clamp the steel strand 15, the diameter of one end of each clip is larger than that of the through hole 16, the clip cannot penetrate through the through hole 16, and the specific structure of the clip is not described in detail herein.
As shown in fig. 3, the anchoring backing plate 1 includes a plate body 9, a reinforcing sleeve connected to the plate body 9, and a grouting mechanism communicated with the reinforcing sleeve; specifically, the reinforcing sleeve comprises an outer reinforcing sleeve 12, a middle reinforcing sleeve 10 and an inner reinforcing sleeve 8 which are connected with the plate body 9 and sequentially sleeved from outside to inside, namely the middle reinforcing sleeve 10 is positioned inside the outer reinforcing sleeve 12, and the inner reinforcing sleeve 8 is positioned inside the middle reinforcing sleeve 10. Meanwhile, an outer reinforcing cavity 11 is formed between the outer reinforcing sleeve 12 and the middle reinforcing sleeve 10, and an inner reinforcing cavity 7 is formed between the middle reinforcing sleeve 10 and the inner reinforcing sleeve 8; the plate body 9 is provided with a through hole, and the inner side reinforcing sleeve 8 is communicated with the through hole on the plate body 9. The spiral rib 13 is sleeved outside the outer reinforcing sleeve 12.
In order to enable the concrete grout to be injected into the outer reinforcing sleeve 12, the middle reinforcing sleeve 10 and the inner reinforcing sleeve 8, as shown in fig. 3, the grouting mechanism includes a main grouting pipe 17, outer reinforcing cavity grouting branch pipes 21 and inner reinforcing sleeve grouting branch pipes 19. Specifically, the main grouting pipe 17 penetrates through the plate body 9 and then is communicated with the inner reinforcing cavity 7, one end of the outer reinforcing cavity grouting branch pipe 21 is communicated with the main grouting pipe 17, the other end of the outer reinforcing cavity grouting branch pipe is communicated with the outer reinforcing cavity 11, one end of the inner reinforcing sleeve grouting branch pipe 19 is communicated with the main grouting pipe 17, and the other end of the inner reinforcing sleeve grouting branch pipe is communicated with the inner reinforcing sleeve 8. When concrete grout is injected from the main grouting pipe 17, the concrete grout may be injected into each of the inner reinforcing sleeve 8, the inner reinforcing cavity 7, and the outer reinforcing cavity 11.
For ease of installation, the panel 9 is provided with a panel platform 18 and the inboard anchor panel 6 is mounted between the connection sleeve platform 20 and the panel platform 18.
In addition, the plate body 9 is connected with the outer cover 3 through bolts, the whole anchoring device is positioned inside the outer cover 3, and the anchoring device is protected through the outer cover 3.
As shown in fig. 1, when in use, the steel strand 15 sequentially passes through the inner reinforcing sleeve 8, the through hole on the plate body 9, the clamping piece on the inner anchoring plate 6 and the clamping piece on the outer anchoring plate 5, so that the steel strand 15 passes through the whole anchorage, and the corrugated pipe 14 is sleeved on the outer part of the steel strand, and the corrugated pipe 14 can be positioned at the end part of the reinforcing sleeve; concrete grout is poured on the outer side of the anchorage device, the plate body 9 and the anchorage device are positioned on the outer side of the concrete grout, and the concrete grout is injected into the outer reinforcing cavity 11, the inner reinforcing cavity 7 and the inner reinforcing sleeve 8 through the grouting main pipe 17. Due to the pulling force of the steel strand 15, the clamping piece 4 tightly pushes the outer side anchoring plate 5 and the inner side anchoring plate 6, the inner side anchoring plate 6 tightly pushes the plate body 9, and the outer side anchoring plate 5 pushes the connecting sleeve 2, so that the connecting sleeve 2 tightly pushes the plate body 9, and the steel strand 15 is anchored. Because the utility model discloses a pull of outside anchor board 5 and inboard anchor board 6 can improve the intensity of ground tackle.
As described above, the present invention can be implemented well.
Claims (6)
1. The prestressed anchorage device with the external anchoring device is characterized by comprising an anchoring base plate (1), a spiral rib (13) sleeved outside the anchoring base plate (1) and an anchoring device connected with the anchoring base plate (1); the anchoring device comprises a connecting sleeve (2) connected with the anchoring backing plate (1), an outer anchoring plate (5) arranged at one end of the connecting sleeve (2), and an inner anchoring plate (6) arranged at the other end of the connecting sleeve (2); the anchoring backing plate (1) comprises a plate body (9), a reinforcing sleeve connected to the plate body (9), and a grouting mechanism communicated with the reinforcing sleeve; the spiral rib (13) is sleeved outside the reinforcing sleeve.
2. The prestressed anchorage with external anchoring device of claim 1, wherein the reinforcing sleeve comprises an outer reinforcing sleeve (12), a middle reinforcing sleeve (10) and an inner reinforcing sleeve (8) which are all connected with the plate body (9) and are sleeved in sequence from outside to inside; an outer reinforcing cavity (11) is formed between the outer reinforcing sleeve (12) and the middle reinforcing sleeve (10), and an inner reinforcing cavity (7) is formed between the middle reinforcing sleeve (10) and the inner reinforcing sleeve (8).
3. The prestressed anchorage device with external type anchorage device as claimed in claim 2, wherein said grouting mechanism comprises a main grouting pipe (17) penetrating the plate body (9) and communicating with the inner reinforcement cavity (7), an outer reinforcement cavity grouting branch pipe (21) communicating with the main grouting pipe (17) at one end and with the outer reinforcement cavity (11) at the other end, and an inner reinforcement sleeve grouting branch pipe (19) communicating with the main grouting pipe (17) at one end and with the inner reinforcement sleeve (8) at the other end.
4. The prestressed anchorage device with external anchoring device according to any one of claims 1-3, wherein the connecting sleeve (2) is provided with connecting sleeve sunken platforms (20) at both ends, and the outer anchoring plate (5) and the inner anchoring plate (6) are respectively installed in the connecting sleeve sunken platforms (20) at both ends of the connecting sleeve (2); a plate body sinking platform (18) is arranged on the plate body (9), and the inner side anchoring plate (6) is arranged between the connecting sleeve sinking platform (20) and the plate body sinking platform (18).
5. The prestressed anchorage device with external anchoring device as claimed in any one of claims 1 to 3, wherein said external anchoring plate (5) is provided with a plurality of through holes (16), and the clips (4) are movably mounted in the through holes (16).
6. A prestressed anchorage with external anchoring means according to claim 2 or 3, characterized in that the plate (9) is connected to the casing (3) and the anchoring means are located inside the casing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888815.2U CN211114433U (en) | 2019-11-04 | 2019-11-04 | Prestressed anchorage utensil with external type anchor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888815.2U CN211114433U (en) | 2019-11-04 | 2019-11-04 | Prestressed anchorage utensil with external type anchor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211114433U true CN211114433U (en) | 2020-07-28 |
Family
ID=71693516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921888815.2U Active CN211114433U (en) | 2019-11-04 | 2019-11-04 | Prestressed anchorage utensil with external type anchor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211114433U (en) |
-
2019
- 2019-11-04 CN CN201921888815.2U patent/CN211114433U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A prestressed anchorage with external anchorage device Effective date of registration: 20210628 Granted publication date: 20200728 Pledgee: Bank of China Limited Xinjin sub branch Pledgor: Xinjin Sanqiao prestress Co.,Ltd. Registration number: Y2021510000133 |