CN221002818U - Bag-type pressure type prestressed anchor rod and first anchor rod assembly and second anchor rod assembly thereof - Google Patents
Bag-type pressure type prestressed anchor rod and first anchor rod assembly and second anchor rod assembly thereof Download PDFInfo
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- CN221002818U CN221002818U CN202322367849.XU CN202322367849U CN221002818U CN 221002818 U CN221002818 U CN 221002818U CN 202322367849 U CN202322367849 U CN 202322367849U CN 221002818 U CN221002818 U CN 221002818U
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- anchor rod
- bag
- assembly
- anchor
- grouting
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- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 239000002689 soil Substances 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a first anchor rod assembly of a bag-type pressure type prestressed anchor rod, which comprises a sleeve, wherein two ends of the sleeve are fixedly connected with connectors, the connectors are used for being fixed with adjacent first anchor rod assemblies or second anchor rod assemblies, and a plurality of the first anchor rod assemblies and/or the second anchor rod assemblies are connected end to end and are suitable for being inserted into rod bodies to form anchor rods. The utility model also discloses a second anchor rod component of the bag-type pressure type prestressed anchor rod and the bag-type pressure type prestressed anchor rod comprising the first anchor rod component and the second anchor rod component, which can be flexibly and conveniently used.
Description
Technical Field
The utility model relates to a bag-type pressure type prestressed anchor rod, and also relates to a first anchor rod assembly and a second anchor rod assembly of the anchor rod.
Background
With the development of engineering construction and the development and utilization of underground space in China, the number and scale of foundation pit engineering are continuously enlarged, the anchor-pulling type enclosure structure provides a fulcrum for the soil retaining structure through the arrangement of the prestressed anchor rods, and compared with the support forms of row piles, support and the like in foundation pit support, the anchor-pulling type enclosure structure can actively strengthen a rock-soil body, provides more abundant space for subsequent foundation pit excavation and basement construction, saves the time of support construction and demolition, can improve the construction speed and the construction efficiency, and has better economy. The traditional prestressed anchor rod is divided into a tension type anchor rod and a pressure type anchor rod, in recent years, the bag type prestressed anchor rod is rapid in development, compared with the traditional anchor rod, the anchor rod is provided with a bag, cement paste is enabled to expand along the bag by means of high-pressure grouting in the bag, the bag can be expanded to form an anchoring section with larger diameter, meanwhile, surrounding soil is extruded by the bag in the grouting process, the surrounding soil is enabled to be compact, and the bearing capacity is improved, so that the bag type anchor rod is provided with stronger pulling resistance. The double-bag expanding anchor disclosed in Chinese patent publication No. CN214657001U has the defect that the existing bag anchor is not flexible.
Disclosure of Invention
In view of the above disadvantages, the present invention aims to provide a first anchor rod assembly and a second anchor rod assembly which can be assembled and are convenient for flexible use, and also aims to provide an anchor rod comprising the first anchor rod assembly and the second anchor rod assembly.
Therefore, the first anchor rod assembly of the bag-type pressure type prestressed anchor rod comprises a sleeve, wherein the two ends of the sleeve are fixedly connected with connectors, the connectors are used for being fixed with the adjacent first anchor rod assembly or second anchor rod assembly, and the first anchor rod assembly and/or the second anchor rod assembly are connected end to end and are suitable for being inserted into rod bodies to form anchor rods.
Further, a connecting piece is arranged on the outer side of the sleeve, and a through hole for the anchor cable and the grouting pipe to pass through is formed in the connecting piece.
The second anchor rod assembly of the bag-type pressure type prestress anchor rod comprises a sleeve, two ends of the sleeve are fixedly connected with connectors, the connectors are used for being fixed with adjacent first anchor rod assemblies or second anchor rod assemblies, a plurality of the first anchor rod assemblies and/or the second anchor rod assemblies are connected end to end and are suitable for being inserted into a rod body to form an anchor rod, the sleeve is provided with internal threads and is suitable for being connected with the rod body in a threaded mode, two ends of a bag are respectively connected to the connectors at two ends of the sleeve, and the bag is fixed on the outer side of the sleeve.
Further, the joint is connected with a grouting pipe, one end of the grouting pipe is arranged in the bag, and the other end of the grouting pipe extends out of the joint to be detachably connected with the corresponding grouting pipe of the adjacent anchor rod assembly.
Further, the surface of the bag is provided with a reinforcing component, and the reinforcing component protrudes out of the surface of the bag after the grouting of the bag.
Further, the reinforcing component is a plurality of protruding points or anchors arranged on the surface of the bag.
Further, the reinforcing component is vertically fixed on the surface of the reinforcing component of the bag.
Further, the reinforcement assembly also includes a securing portion disposed within the bladder for anchoring with concrete in the bladder.
The utility model also comprises a bag-type pressure type prestressed anchor rod, wherein the first anchor rod component and the second anchor rod component are detachably connected through a connector, the tail end of the first anchor rod component and the tail end of the second anchor rod component are detachably connected with the supporting body, and the rod body of the anchor rod passes through the first anchor rod component and the second anchor rod component to be directly or indirectly detachably fixed with the supporting body.
Further, the grouting device also comprises a grouting pipe for grouting into the bag and a grouting pipe for grouting into the soil layer, wherein the grouting pipe is formed by adopting single-section or multi-section detachable connection.
The beneficial effects of the utility model are as follows:
(1) The utility model comprises a first anchor rod component and a second anchor rod component, wherein the first anchor rod component, the second anchor rod component and the supporting body are spliced and inserted into a main bar (namely a rod body) and optionally an anchor rope to form an anchor rod, so that the anchor rod can be flexibly and conveniently used. The sleeve of the rod body and the sleeve of the second anchor rod assembly are in threaded connection, and after grouting is carried out in the bag, the sleeve and the concrete are anchored together, and the rod body can be recovered.
(2) The utility model also provides the reinforcing component, when in use, reaming can be carried out firstly, grouting is carried out in the bag, the bag expands after grouting, the reinforcing component is changed from a parallel anchor rod state when in placement into a state perpendicular to the surface of the bag, high-pressure grouting is continued, the reinforcing component is inserted into the soil body, meanwhile, the bag extrudes the soil body to enable the soil body to be more compact, the reinforcing component strengthens the contact area between the bag and the soil body, and the friction resistance is increased.
Drawings
FIG. 1 is a schematic view of an anchor rod embodying the present utility model;
FIG. 2 is a schematic view of a first anchor assembly;
FIG. 3 is a schematic view of a second anchor assembly;
FIG. 4 is a schematic view of a connector;
FIG. 5 is a schematic view of the bladder and its reinforcement assembly after grouting in example 1;
FIG. 6 is a schematic view of an unset bladder and its reinforcement assembly of example 1;
FIG. 7 is a schematic illustration of the reinforcing component of example 1 in combination with a pouch;
Fig. 8 is a schematic view of the reinforcing component of example 2 in combination with a pouch.
Reference numerals illustrate: 1. a soil retaining structure; 2. an anchor head; 3. a protective cover; 4. a rod body; 5. a first anchor assembly; 6. a second anchor assembly; 601. a pouch; 602. a reinforcement assembly; 603. a fixing part; 7. a carrier; 8. a sleeve; 9. a joint; 901. a thread groove; 902. a terminal fitting; 10. a connecting piece; 11. an anchor cable; 12. grouting pipe.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Fig. 1 shows a bag-type pressure type prestressed anchor rod for a basement, which is a pull anchor supporting structure for the basement, wherein a retaining structure 1, an anchor head 2, a backing plate, a protective cover 3 and an anchor rod body 4 which is fixed on the retaining structure 1 are arranged on the anchor rod, the anchor rod is provided with a bag 601 and is subjected to grouting anchoring, the tail end of the rod body 4 is provided with a supporting body 7, fig. 2 shows a first anchor rod assembly 5 which is assembled into the anchor rod shown in fig. 1, fig. 3 shows a second anchor rod assembly 6 which is assembled into the anchor rod shown in fig. 1, the first anchor rod assembly 5 and the second anchor rod assembly 6 respectively comprise a sleeve 8, two ends of the sleeve 8 are fixedly connected with connectors 9, the connectors 9 are used for being fixed with the adjacent first anchor rod assembly 5 or the second anchor rod assembly 6, the first anchor rod assembly 5 and/or the second anchor rod assembly 6 are/is connected end to end and is suitable for being inserted into the rod body 4 to form the anchor rod, and the rod body 4 can adopt an integral rod body or a split connection type rod body. Referring to fig. 2 and 4, the outer side of the first anchor rod assembly 5 is fixedly connected with a connecting member 10, the connecting member 10 is provided with a through hole for the anchor cable 11 and the grouting pipe 12 to pass through, the anchor cable 11 is connected to the end joint 902 or the supporting body 7, the first anchor rod and the second anchor rod can adopt the joint 9 shown in fig. 2, one end is provided with a thread groove 901 and is provided with a hole for the anchor cable 11 and the grouting pipe 12 to pass through, the grouting pipe can be arranged on the joint 9 in advance, the other end of the adjacent anchor rod assembly is matched with the thread groove 901, and the outer wall of the grouting pipe is provided with external threads. The right hand side of fig. 3 shows an end fitting 902 for threaded connection with the carrier 7. The sleeve 8 of the second anchor rod assembly 6 is provided with internal threads for being in threaded connection with the rod body 4, the bag 601 is fixed on the outer side of the sleeve 8 of the second anchor rod assembly, and two ends of the bag 601 are respectively connected to joints 9 at two ends of the sleeve 8. The anchor rod shown in fig. 1 comprises one or more first anchor rod assemblies 5 and at least one second anchor rod assembly 6, wherein a rod body 4 penetrates through the first anchor rod assemblies 5 and is in threaded connection with a sleeve 8 of the second anchor rod assembly 6, the tail end of the rod body 4 is in threaded connection with a tail end joint 902 and/or the inner wall of a supporting body 7, the tail end joint 902 is in threaded connection with the supporting body 7, the first anchor rod assemblies 5 and the second anchor rod assemblies 6 are in threaded connection through joints 9, a grouting pipe 12 comprises a grouting pipe used for grouting into a bag 601 and a grouting pipe used for grouting into a soil layer respectively, and the grouting pipe is arranged in a single section or formed by multiple sections through threaded connection.
In the above embodiment, referring to fig. 3, the grouting pipe is connected to the connector 9 of the second anchor assembly 6, one end of the grouting pipe is disposed in the bag 601, the other end extends out of the connector 9 and is in threaded connection with the corresponding grouting pipe of the adjacent anchor assembly through a threaded pipe, and the bag 601 can be made of elastic material such as cloth with a certain elasticity or other materials in the prior art.
In the above embodiment, the reinforcing component 602 is provided on the surface of the bag 601, the reinforcing component 602 protrudes from the surface of the bag 601 after grouting the bag 601, as shown in fig. 5, 6 and 7, in embodiment 1, the reinforcing component 602 is a plurality of anchors provided on the surface of the bag 601, the anchors can be distributed on the surface of the bag 601 or around the bag 601 as shown in fig. 5, the anchors are riveted on the surface of the bag 601 and perpendicular to the surface of the bag 601 where the reinforcing component 602 is located, as shown in fig. 6, the anchors can be tied on the surface of the bag 601 by a slipknot and put into the holes before grouting, the positions of the anchors are reamed first, and the anchors are reset by the expansion force when grouting under high pressure to align the anchors towards one end of the outer side and insert the anchors into the soil during expansion of the bag. After grouting is completed, the anchor is anchored to the hardened concrete at the fixing portion 603 inside the pocket 601, and the fixing portion 603 may have a T-shaped structure or a bump or bump structure as shown in fig. 8. In example 2, referring to fig. 8, the need for reaming can be reduced by replacing the anchor with a bump.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (10)
1. The utility model provides a first stock subassembly of bag formula pressure type prestressing force stock which characterized in that: the two ends of the sleeve are fixedly connected with connectors, the connectors are used for being fixed with adjacent first anchor rod assemblies or second anchor rod assemblies, and the first anchor rod assemblies and/or the second anchor rod assemblies are connected end to end and suitable for being inserted into rod bodies to form anchor rods.
2. A first bolt assembly for a bag-type pressure type pre-stressed bolt as claimed in claim 1, wherein:
The casing pipe outside is equipped with the connecting piece, and the connecting piece is equipped with the through-hole that supplies anchor rope and slip casting pipe to pass.
3. A second anchor rod assembly of a bag-type pressure type prestressed anchor rod, which is characterized in that: including the sleeve pipe, sheathed tube both ends fixedly connected with connects, connect be used for with adjacent first stock subassembly or second stock subassembly fixed, a plurality of first stock subassembly and/or second stock subassembly end to end are applicable to the inserted body of rod and form the stock, the sleeve pipe is equipped with the internal thread and is applicable to with body of rod threaded connection, and the both ends of bag are connected respectively on the joint at sleeve pipe both ends, and the bag is fixed in the sheathed tube outside.
4. A second bolt assembly for a bag-type pressure type pre-stressed bolt as claimed in claim 3, wherein: the joint is connected with a grouting pipe, one end of the grouting pipe is arranged in the bag, and the other end of the grouting pipe extends out of the joint to be detachably connected with the corresponding grouting pipe of the adjacent anchor rod assembly.
5. A second bolt assembly for a bag-type pressure type pre-stressed bolt as claimed in claim 4, wherein: the surface of the bag is provided with a reinforcing component, and the reinforcing component protrudes out of the surface of the bag after the grouting of the bag.
6. A second bolt assembly for a bag-type pressure type pre-stressed bolt as recited in claim 5, wherein: the reinforcing component is a plurality of convex points or anchors arranged on the surface of the bag.
7. A second bolt assembly for a bag-type pressure type pre-stressed bolt as recited in claim 6, wherein: the reinforcing component is vertically fixed on the surface of the reinforcing component of the bag.
8. A second bolt assembly for a bag-type pressure type pre-stressed bolt as claimed in claim 6 or claim 7, wherein: the reinforcement assembly further includes a securing portion disposed within the bladder for anchoring with concrete in the bladder.
9. A bladder-type pressure type pre-stressed anchor comprising the first anchor assembly of claim 1 and the second anchor assembly of claim 3, wherein: the first anchor rod assembly and the second anchor rod assembly are detachably connected through the connector, the tail end of the first anchor rod assembly and the tail end of the second anchor rod assembly are detachably connected with the supporting body, and the rod body of the anchor rod penetrates through the first anchor rod assembly and the second anchor rod assembly to be directly or indirectly detachably fixed with the supporting body.
10. A bag-type pressure type prestressed anchor according to claim 9, wherein: the grouting device is characterized by further comprising a grouting pipe for grouting into the bag and a grouting pipe for grouting into the soil layer, wherein the grouting pipe is formed by adopting single-section or multi-section detachable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322367849.XU CN221002818U (en) | 2023-09-01 | 2023-09-01 | Bag-type pressure type prestressed anchor rod and first anchor rod assembly and second anchor rod assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322367849.XU CN221002818U (en) | 2023-09-01 | 2023-09-01 | Bag-type pressure type prestressed anchor rod and first anchor rod assembly and second anchor rod assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221002818U true CN221002818U (en) | 2024-05-24 |
Family
ID=91120571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322367849.XU Active CN221002818U (en) | 2023-09-01 | 2023-09-01 | Bag-type pressure type prestressed anchor rod and first anchor rod assembly and second anchor rod assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221002818U (en) |
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2023
- 2023-09-01 CN CN202322367849.XU patent/CN221002818U/en active Active
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