CN217630856U - Unbonded prestressed anchorage device - Google Patents
Unbonded prestressed anchorage device Download PDFInfo
- Publication number
- CN217630856U CN217630856U CN202220870482.6U CN202220870482U CN217630856U CN 217630856 U CN217630856 U CN 217630856U CN 202220870482 U CN202220870482 U CN 202220870482U CN 217630856 U CN217630856 U CN 217630856U
- Authority
- CN
- China
- Prior art keywords
- unbonded
- anchor ring
- bearing steel
- steel plate
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an unbonded prestressed anchorage utensil, including concrete structure, be provided with in the concrete structure and reserve the pipeline, it is provided with the unbonded muscle in the pipeline to reserve, concrete structure's side is located the tip of unbonded muscle is provided with the cave mould, be provided with in the cave mould with the anchor ring of unbonded muscle anchor, be provided with the through-hole on the anchor ring, the tip warp of unbonded muscle the through-hole pass through the taper pipe with the anchor ring is connected, still be provided with anticorrosive subassembly in the cave mould, tip, the anchor ring of unbonded muscle all are located inside the anticorrosive subassembly. The utility model discloses a set up cave mould, set up the anchor ring in the cave mould to at the inside anticorrosive subassembly that sets up of cave mould, thereby reduction rainwater that can be fine is to the corruption of ground tackle and the tip surface of unbonded muscle, and protecting effect is good, can improve the life of ground tackle.
Description
Technical Field
The utility model belongs to the technical field of the ground tackle, especially, relate to an unbonded prestressed anchorage utensil.
Background
In the prestressed reinforced concrete structure engineering, the prestress without the bonded prestressed tendon is completely borne on the anchorage device, so that the requirement on the corrosion resistance of the anchorage device and the prestressed tendon is high in order to avoid the failure of the prestress.
In practice, the inventor finds that in the use of the existing anchorage device, grease or paint is mostly coated on the surface of the anchorage device and the end part of the unbonded rib for achieving the purpose of corrosion prevention of the anchorage device and the unbonded rib, and the direct coating mode can be corroded by rainwater for a long time to cause the grease or the paint to fall off, so that the protection effect is poor.
Based on exist not enough among the prior art, the utility model discloses an unbonded prestressed anchorage utensil through setting up cave mould, sets up the anchor ring in the cave mould to at the inside anticorrosive subassembly that sets up of cave mould, thereby reduction rainwater that can be fine is to the ground tackle and the corruption of the tip surface of unbonded muscle, and the protecting effect is good, can improve the life of ground tackle.
SUMMERY OF THE UTILITY MODEL
It is not enough to prior art, an object of the utility model is to provide an unbonded prestressed anchorage utensil.
The utility model provides a following technical scheme:
the utility model provides an unbonded prestressed anchorage utensil, includes concrete structure, be provided with in the concrete structure and reserve the pipeline, it is provided with the unbonded muscle in the pipeline to reserve, concrete structure's side is located the tip of unbonded muscle is provided with the cave mould, be provided with in the cave mould with the anchor ring of unbonded muscle anchor, be provided with the through-hole on the anchor ring, the tip warp of unbonded muscle the through-hole pass through the taper pipe with the anchor ring is connected, still be provided with anticorrosive subassembly in the cave mould, tip, the anchor ring of unbonded muscle all are located inside the anticorrosive subassembly.
Preferably, a pressure-bearing steel plate is arranged inside the cavity die, an opening is formed in the pressure-bearing steel plate, the anchor ring is located on one side, away from the reserved pipeline, of the pressure-bearing steel plate, the end portion of the unbonded rib is connected with the anchor ring through the opening, and the four corners of the pressure-bearing steel plate are connected with the concrete structure through first fixing bolts respectively. One side of the pressure-bearing steel plate, which is close to the reserved pipeline, is provided with a first annular sealing gasket, and the first annular sealing gasket and the reserved pipeline are coaxially arranged.
Preferably, the anticorrosive subassembly includes the casing cover, the casing cover is cylindrically, the casing cover is close to the one end of pressure-bearing steel sheet is provided with the connecting seat, the connecting seat pass through the second fixing bolt with the pressure-bearing steel sheet is connected, just the casing cover is close to the one end of pressure-bearing steel sheet with still be provided with the second annular sealing pad between the pressure-bearing steel sheet.
Preferably, the connecting seats are arranged in a plurality of numbers, and the connecting seats are uniformly arranged along the circumferential direction of the outer side of the shell sleeve.
Preferably, the anti-corrosion assembly further comprises a heat shrink tube, one end, close to the pressure-bearing steel plate, of the heat shrink tube is sleeved on the outer peripheral wall of the anchor ring, and the other end of the heat shrink tube is connected with the end portion of the unbonded rib.
Preferably, a cavity is formed between the inner wall of the shell sleeve and the outer side of the heat shrinkable tube, the outer peripheral wall of the anchor ring and the side wall of the pressure-bearing steel plate, and the cavity is filled with anti-corrosion grease.
Preferably, still be provided with the oiling mouth on the housing sleeve, the inner wall of oiling mouth is provided with the internal thread, be provided with on the housing sleeve with the second sealing bolt of internal thread adaptation connection, the second sealing bolt with still be provided with second seal ring between the housing sleeve lateral wall.
Preferably, one side of the anchor ring, which is far away from the pressure-bearing steel plate, is provided with a glue injection port, the glue injection port extends towards the inside of the anchor ring, the glue injection port is located at one end of the inside of the anchor ring and is communicated with the through hole through a channel, the inner wall of the glue injection port is provided with a second internal thread, the anchor ring is provided with a first sealing bolt which is in adaptive connection with the second internal thread, and a first sealing washer is further arranged between the first sealing bolt and the side wall of the anchor ring.
Preferably, the through holes are arranged in a plurality, and each through hole is communicated with the glue injection port through a channel.
Preferably, the cave mould is the hole of toper form, the inside of cave mould with reserve the pipeline intercommunication, anticorrosive subassembly still includes the waterproof layer, the waterproof layer is located the cave mould is kept away from reserve the pipeline one end mouth goes out, just the waterproof layer seals the cave mould port, the waterproof layer inboard with casing cover outside, cave mould inner wall between be the filling layer, the filling layer is the drier.
Preferably, a plastering layer is arranged on one side, away from the reserved pipeline, of the waterproof layer, the plastering layer seals the hole mold port, and a layer of alkali-resistant glass fiber mesh fabric layer is arranged in the plastering layer.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model relates to an unbonded prestressed anchorage utensil through setting up the cave mould, sets up the anchor ring in the cave mould to at the inside anticorrosive subassembly that sets up of cave mould, thereby the reduction rainwater that can be fine is to the corruption of ground tackle and unbonded muscle's tip surface, and the protecting effect is good, can improve the life of ground tackle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1 according to the present invention.
Fig. 3 is a schematic view of the anchor ring structure of the present invention.
In the figure: 1. a concrete structure; 2. reserving a pipeline; 3. no bonding rib is arranged; 4. performing hole molding; 5. a pressure-bearing steel plate; 6. an anchor ring; 7. a through hole; 8. a taper pipe; 91. a housing cover; 92. heat shrink tubing; 93. a filling layer; 94. a waterproof layer; 95. plastering layer; 96. an alkali-resistant glass fiber gridding cloth layer; 10. a glue injection port; 11. a channel; 12. a first seal bolt; 13. a first fixing bolt; 14. a second fixing bolt; 15. a second seal bolt; 16. and (4) opening.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, an unbonded prestressed anchorage device includes a concrete structure 1, a reserved pipe 2 is arranged in the concrete structure 1, an unbonded rib 3 is arranged in the reserved pipe 2, a cavity mold 4 is arranged at an end portion of the side surface of the concrete structure 1, which is located at the unbonded rib 3, an anchor ring 6 anchored with the unbonded rib 3 is arranged in the cavity mold 4, a through hole 7 is arranged on the anchor ring 6, an end portion of the unbonded rib 3 is connected with the anchor ring 6 through a taper pipe 8 via the through hole 7, an anticorrosion assembly is further arranged in the cavity mold 4, and both the end portion of the unbonded rib 3 and the anchor ring 6 are located inside the anticorrosion assembly.
Through setting up cave mould, set up the anchor ring in the cave mould to at the inside anticorrosive subassembly that sets up of cave mould, thereby reduction rainwater that can be fine is to the corrosion of ground tackle and the tip surface of unbonded muscle, and the protecting effect is good, can improve the life of ground tackle.
The concrete structure is characterized in that a pressure-bearing steel plate 5 is arranged inside the hole die 4, an opening 16 is formed in the pressure-bearing steel plate 5, the anchor ring 6 is located on one side, away from the reserved pipeline 2, of the pressure-bearing steel plate 5, the end portion of the unbonded rib 3 is connected with the anchor ring 6 through the opening 16, and the four corner positions of the pressure-bearing steel plate 5 are connected with the concrete structure 1 through first fixing bolts 13 respectively. One side of the pressure-bearing steel plate 5, which is close to the reserved pipeline 2, is provided with a first annular sealing gasket, and the first annular sealing gasket and the reserved pipeline 2 are coaxially arranged.
The anti-corrosion assembly comprises a shell sleeve 91, the shell sleeve 91 is a stainless steel metal sleeve, the shell sleeve 91 is cylindrical, the shell sleeve 91 is close to one end of the pressure-bearing steel plate 5 and is provided with a connecting seat, the connecting seat is connected with the pressure-bearing steel plate 5 through a second fixing bolt 14, and the shell sleeve 91 is close to one end of the pressure-bearing steel plate 5 and a second annular sealing gasket is further arranged between the pressure-bearing steel plates 5. Can further improve the leakproofness, reduce the rainwater and get into the inside probability of casing cover from casing cover and pressure-bearing steel sheet 5 junction.
The connecting seats are provided with a plurality of connecting seats which are uniformly arranged along the outer circumference of the shell sleeve 91.
The anti-corrosion assembly further comprises a heat shrink tube 92, one end, close to the pressure-bearing steel plate 5, of the heat shrink tube 92 is sleeved on the outer peripheral wall of the anchor ring 6, and the other end of the heat shrink tube 92 is connected with the end portion of the unbonded rib 3.
The heat shrinkable tube is a special polyolefin heat shrinkable sleeve, the outer layer of the heat shrinkable sleeve is made of a high-quality soft cross-linked polyolefin material and an inner layer of hot melt adhesive through composite processing, the outer layer of the heat shrinkable sleeve has the characteristics of insulation, corrosion resistance, wear resistance and the like, and the inner layer of the heat shrinkable sleeve has the advantages of low melting point, water resistance, sealing, high adhesion and the like.
The pyrocondensation pipe has the special function of meeting thermal contraction, and the heating can contract, wraps up in the periphery wall of anchor ring 6 and the tip of unbonded muscle 3, can further reduce the probability of rainwater and the contact of unbonded muscle 3.
And a cavity is formed between the inner wall of the shell sleeve 91 and the outer side of the heat shrinkable tube 92, the outer peripheral wall of the anchor ring 6 and the side wall of the pressure-bearing steel plate 5, and the cavity is filled with anti-corrosive grease. The anticorrosive grease is NLGI 2-grade (penetration is 265-295), so that the probability of contact between rainwater and the anchor ring 6 and the unbonded rib 3 can be further reduced.
Still be provided with the oiling mouth on the casing cover 91, the inner wall of oiling mouth is provided with the internal thread, be provided with on the casing cover 91 with second sealing bolt 15 of internal thread adaptation connection, second sealing bolt 15 with still be provided with second seal ring between the casing cover 91 lateral wall.
One side of anchor ring 6 keeping away from pressure-bearing steel sheet 5 is provided with injecting glue mouth 10, injecting glue mouth 10 to anchor ring 6 is inside to be extended, just injecting glue mouth 10 is located the inside one end of anchor ring pass through the passageway 11 with through-hole 7 intercommunication, the inner wall of injecting glue mouth 10 is provided with the second internal thread, be provided with on the anchor ring 6 with the first sealing bolt 12 of second internal thread adapter coupling, first sealing bolt 12 with still be provided with first seal ring between the anchor ring 6 lateral wall. The sealing colloid can enter the through hole 7 through the glue injection port 10 and the channel 11, and the through hole 7 and the opening 16 are sealed, so that the sealing effect of each contact surface at the anchor ring 6 is ensured, and the corrosion resistance life of the anchor ring and the unbonded rib is prolonged.
The through holes 7 are arranged in a plurality, and each through hole 7 is communicated with the glue injection port 10 through a channel 11.
A plastering layer 95 is arranged on one side of the waterproof layer 94 far away from the reserved pipeline 2, the plastering layer 95 seals the port of the hole mold 4, and an alkali-resistant fiberglass mesh layer 96 is arranged in the plastering layer 95. The plastering layer is an anti-crack mortar plastering layer.
When in use, the pressure-bearing steel plate 5 is connected with the concrete structure 1 through the connecting seat and the first fixing bolt 13; sequentially enabling the end part of the unbonded rib 3 to pass through the opening 16 and the through hole 7, tensioning the unbonded rib by a tensioning device, connecting the tensioned unbonded rib with the anchor ring 6 through the taper pipe 8, and shearing off redundant unbonded rib; injecting glue through the glue injection port 10, and sealing the glue injection port through the first sealing bolt 12 after the glue injection is finished; sleeving the heat-shrinkable tube on the anchor ring and the unbonded rib, and heating the heat-shrinkable tube to realize the sealing and wrapping of the anchor ring and the unbonded rib; the shell sleeve is connected with the pressure-bearing steel plate 5 through a second fixing bolt 14, anticorrosion grease is put into the cavity through the oil filling port, and the oil filling port is sealed through a second sealing bolt 15 after oil filling is finished; and filling a drying agent, sealing the second chamber by a waterproof layer, and arranging a plastering layer 95 on the outer side of the waterproof layer 94.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be within the technical scope of the present invention, and the technical solution and the inventive concept of the present invention are equivalent to or changed according to the present invention, and all those are included in the scope of the present invention.
Claims (7)
1. An unbonded prestressed anchorage comprising a concrete structure (1), characterized in that: be provided with in concrete structure (1) and reserve pipeline (2), be provided with unbonded muscle (3) in reserving pipeline (2), the side of concrete structure (1) is located the tip of unbonded muscle (3) is provided with cave mould (4), be provided with in cave mould (4) with anchor ring (6) of unbonded muscle (3) anchor, be provided with through-hole (7) on anchor ring (6), the tip warp of unbonded muscle (3) through-hole (7) through taper pipe (8) with anchor ring (6) are connected, still be provided with anticorrosive subassembly in cave mould (4), tip, anchor ring (6) of unbonded muscle (3) all are located inside the anticorrosive subassembly.
2. The unbonded prestressed anchorage of claim 1, wherein a pressure-bearing steel plate (5) is arranged inside the cavity die (4), an opening (16) is formed in the pressure-bearing steel plate (5), the anchor ring (6) is located on one side of the pressure-bearing steel plate (5) far away from the reserved pipeline (2), the end portion of the unbonded rib (3) is connected with the anchor ring (6) through the opening (16), and four corner positions of the pressure-bearing steel plate (5) are respectively connected with the concrete structure (1) through first fixing bolts (13).
3. The unbonded prestressed anchorage of claim 2, wherein the corrosion prevention assembly comprises a housing sleeve (91), the housing sleeve (91) is cylindrical, a connecting seat is disposed at one end of the housing sleeve (91) close to the pressure-bearing steel plate (5), the connecting seat is connected to the pressure-bearing steel plate (5) through a second fixing bolt (14), and a second annular sealing gasket is disposed between one end of the housing sleeve (91) close to the pressure-bearing steel plate (5) and the pressure-bearing steel plate (5).
4. The unbonded prestressed anchorage of claim 3, wherein said connecting seats are provided in plurality, and are uniformly arranged along the outer circumference of said housing sleeve (91).
5. The unbonded prestressed anchorage of claim 3, wherein the corrosion prevention assembly further comprises a heat shrink tube (92), one end of the heat shrink tube (92) close to the bearing steel plate (5) is sleeved on the outer peripheral wall of the anchor ring (6), and the other end of the heat shrink tube (92) is connected with the end of the unbonded rib (3).
6. The unbonded prestressed anchorage device of claim 5, wherein a cavity is formed between the inner wall of the shell sleeve (91) and the outer side of the heat shrinkable tube (92), the outer peripheral wall of the anchor ring (6) and the side wall of the pressure-bearing steel plate (5), and the cavity is filled with anti-corrosive grease.
7. The unbonded prestressed anchorage of claim 6, wherein an oil filling port is further formed on the housing sleeve (91), an internal thread is formed on an inner wall of the oil filling port, a second sealing bolt (15) adapted to be connected with the internal thread is arranged on the housing sleeve (91), and a second sealing gasket is further arranged between the second sealing bolt (15) and the side wall of the housing sleeve (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220870482.6U CN217630856U (en) | 2022-04-15 | 2022-04-15 | Unbonded prestressed anchorage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220870482.6U CN217630856U (en) | 2022-04-15 | 2022-04-15 | Unbonded prestressed anchorage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217630856U true CN217630856U (en) | 2022-10-21 |
Family
ID=83647670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220870482.6U Active CN217630856U (en) | 2022-04-15 | 2022-04-15 | Unbonded prestressed anchorage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217630856U (en) |
-
2022
- 2022-04-15 CN CN202220870482.6U patent/CN217630856U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212718431U (en) | Pipeline wall-penetrating waterproof sleeve | |
| CN211175693U (en) | Wall-through water pipe waterproof system for tap water | |
| CN113507087B (en) | Corrosion-resistant anti-aging MPP electric power pipe with self-repairing function | |
| CN101619779B (en) | Sealing device for buried pipe connected with protective well | |
| CN217630856U (en) | Unbonded prestressed anchorage device | |
| CN210978773U (en) | Waterproof structure of pipe sleeve type wall penetrating pipe | |
| CN210461972U (en) | Rich water district basement wall pipe waterproof construction | |
| CN218510443U (en) | Prefabricated direct-burried insulating tube of high density polyethylene | |
| CN211624441U (en) | Basement wall pipe waterproof construction | |
| CN214534875U (en) | Basement poling waterproof construction | |
| CN213709794U (en) | Drainage pipe and inspection well connection water stop structure | |
| CN211010262U (en) | Small-pipe-diameter galvanized steel pipe groove type connecting structure | |
| CN1099110A (en) | Sleeve-bonding jointing method for weld of lining pipe | |
| CN210069260U (en) | Anti-corrosion heat-insulation pipe | |
| CN210978982U (en) | Novel prefabricated joint heat preservation oversleeve of glass fiber | |
| CN202371341U (en) | Connecting pipe fitting for helical corrugated pipes with no corrugation changing required | |
| CN201259025Y (en) | Sealing device for buried pipe protection well | |
| CN213064933U (en) | PVC plastic pipeline of low water level height construction | |
| CN210153406U (en) | Leakage detecting hole cover plate for thermal insulation joint of town direct-buried heat supply pipeline | |
| CN218441286U (en) | Socket joint of prestressed steel cylinder concrete pipe | |
| CN217381966U (en) | Pre-buried formula rigidity waterproof wall pipeline structure | |
| CN212251515U (en) | Steel pipe with hot melt anticorrosive coating | |
| CN217153406U (en) | Underground pipeline lining structure for trenchless repair | |
| CN220118827U (en) | Waterproof construction of bathroom inner tube root department | |
| CN220118829U (en) | Waterproof structure of wall penetrating pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |