CN213625571U - Anchor rod for deep foundation pit support - Google Patents
Anchor rod for deep foundation pit support Download PDFInfo
- Publication number
- CN213625571U CN213625571U CN202022375795.8U CN202022375795U CN213625571U CN 213625571 U CN213625571 U CN 213625571U CN 202022375795 U CN202022375795 U CN 202022375795U CN 213625571 U CN213625571 U CN 213625571U
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- China
- Prior art keywords
- pipe
- half pipe
- isolated
- drill rod
- isolation
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- 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.)
- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000002955 isolation Methods 0.000 claims description 53
- 238000004873 anchoring Methods 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 13
- 238000005553 drilling Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 10
- 239000002689 soil Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an anchor rod for deep basal pit is strutted, including the anchor head, one side of anchor head is provided with the connecting pipe, one side of connecting pipe is provided with the drilling rod, be provided with the tool joint between drilling rod and the connecting pipe and be connected through the tool joint, the one end of drilling rod is provided with the extension rod, be provided with steel strand wires in the drilling rod, be provided with isolated device between steel strand wires and the drilling rod, isolated device includes first isolated half pipe and the isolated half pipe of second, be provided with the reference column on the isolated both ends of half pipe of second, the isolated half intraductal second that is provided with of second fastening is provided with the constant head tank in the both ends of first isolated half pipe, first isolated half intraductal first fastening half pipe that. The utility model discloses an isolated device when guaranteeing frictional force between concrete and the steel strand wires, can extract the steel strand wires after the construction finishes, has improved the utilization efficiency of material, has avoided influencing subsequent construction simultaneously.
Description
Technical Field
The utility model relates to a deep basal pit support stock technical field specifically is an stock for deep basal pit support.
Background
With the continuous development of urban construction in China, a large number of high-rise buildings are emerging continuously, deep foundation pit engineering is increased continuously, a pile-anchor type supporting structure system is often adopted in the deep foundation pit supporting engineering, and prestressed anchor cable supporting is used as an important supporting mode of a building foundation pit and is very common in application.
However, the existing detachable anchor rod for pile-anchor support of deep foundation pit has the following problems in the using process: because after the major structure construction finishes, the inside steel strand wires of concrete can bury and can't take out in the underground, lead to the influence to close on subsequent construction and cause the waste of material. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an stock for deep basal pit is strutted, has solved because of finishing the back in the major structure construction, and the inside steel strand wires of concrete can be buried and can't take out the influence that leads to in the underground and close on subsequent construction and cause the extravagant technical problem of material, has guaranteed that the material can the recovery, satisfies the in-service use demand.
In order to achieve the above object, the utility model provides a following technical scheme: comprises an anchoring head, one side of the anchoring head is provided with a connecting pipe, one side of the connecting pipe is provided with a drill rod, a drill rod joint is arranged between the drill rod and the connecting pipe and is connected with the drill rod joint through the drill rod joint, one end of the drill rod is provided with an extension rod, a steel strand is arranged in the drill rod, an isolation device is arranged between the steel strand and the drill rod and comprises a first isolation half pipe and a second isolation half pipe, positioning columns are arranged at two ends of the second isolation half-pipe, a second fastening half-pipe is arranged in the second isolation half-pipe, positioning grooves are arranged at two ends of the first isolation half-pipe, a first fastening half-pipe is arranged in the first isolation half-pipe, a plurality of connecting plates are arranged between the first fastening half pipe and the first isolation half pipe and between the second fastening half pipe and the second isolation half pipe, and rubber sleeves are arranged on the outer surfaces of the first isolation half pipe and the second isolation half pipe.
As a preferred embodiment of the utility model, the drilling rod is made for the concrete, the drilling rod is threaded connection with tool joint, the drilling rod is aequilate with tool joint, the extension rod is threaded connection with the drilling rod.
As a preferred embodiment of the present invention, the one end of the steel strand is located the anchor head, the steel strand is located between the first fastening half-pipe and the second fastening half-pipe, the steel strand is a single strand or four strands.
As an optimal implementation mode of the utility model, first isolated half pipe and the isolated half pipe of second are provided with the fixed disk between the other end of keeping away from the anchor head, the centre of fixed disk is provided with the through-hole, the size of through-hole is the same with steel strand wires, all be provided with the thread groove in the top of fixed disk and the bottom, be provided with the bolt in the thread groove, first isolated half pipe and the isolated half pipe of second are provided with the connecting hole on the position the same with the thread groove, the bolt passes the connecting hole and is connected with the thread groove.
As a preferred embodiment of the present invention, the connecting plate is equal in length to the first fastening half pipe and the second fastening half pipe, and the rubber sleeve is equal in length to the first insulating half pipe and the second insulating half pipe.
Compared with the prior art, the beneficial effects of the utility model are as follows:
through isolated device, can be isolated with steel strand wires and the concrete of pouring, and simultaneously, elasticity and fixed disk through the rubber sleeve, can effectual assurance isolated device and the frictional force between the steel strand wires, and then guaranteed the frictional force between steel strand wires and the concrete, after finishing using, dismantle the fixed disk from isolated device, and then can extract the steel strand wires from isolated device, after the steel strand wires are extracted, the distance between first isolated half pipe and the isolated half pipe of second can shorten, and then can shift out isolated device from the rubber sleeve, only leave concrete and rubber sleeve in the soil layer, avoided the steel strand wires to remain the phenomenon that influences follow-up construction, the utilization ratio of material has been improved simultaneously, avoid a large amount of materials extravagant, thereby solved the influence and close on subsequent construction and caused the extravagant problem of material.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a view of the structure of the isolation device of the present invention;
fig. 3 is the structure diagram of the fixing disc of the present invention.
In the figure, an anchoring head-1, a drill rod joint-2, a drill rod-3, a steel strand-4, an isolation device-5, a fixed disc-6, a first isolation half pipe-7, a positioning groove-8, a positioning column-9, a second isolation half pipe-10, a rubber sleeve-11, a first fastening half pipe-12, a second fastening half pipe-13, a connecting plate-14, a connecting hole-15, a through hole-16, a bolt-17, a connecting pipe-18, an extension rod-19 and a thread groove-20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a rock bolt for deep foundation pit support comprising: the anchoring head 1 is provided with a connecting pipe 18 on one side of the anchoring head 1, a drill pipe 3 is arranged on one side of the connecting pipe 18, a drill pipe joint 2 is arranged between the drill pipe 3 and the connecting pipe 18 and is connected with the drill pipe joint 2, one end of the drill pipe 3 is provided with an extension rod 19, a steel strand 4 is arranged in the drill pipe 3, an isolation device 5 is arranged between the steel strand 4 and the drill pipe 3, the isolation device 5 comprises a first isolation half pipe 7 and a second isolation half pipe 10, positioning columns 9 are arranged on two ends of the second isolation half pipe 10, a second fastening half pipe 13 is arranged in the second isolation half pipe 10, positioning grooves 8 are arranged in two ends of the first isolation half pipe 7, a first fastening half pipe 12 is arranged in the first isolation half pipe 7, a plurality of connecting plates 14 are arranged between the first fastening half pipe 12 and the first isolation half pipe 7 and between the second fastening half pipe 13 and the second isolation half pipe 10, rubber sleeves 11 are arranged on the outer surfaces of the first isolation half pipe 7, the drill pipe is made of concrete, the drill pipe 3 is in threaded connection with the drill pipe joint 2, the drill pipe 3 is as wide as the drill pipe joint 2, the extension rod 19 is in threaded connection with the drill pipe 3, one end of the steel strand 4 is positioned in the anchoring head 1, the steel strand 4 is positioned between the first fastening half pipe 12 and the second fastening half pipe 13, the steel strand 4 is composed of single strands or four strands, the fixing disc 6 is arranged between the other ends of the first isolation half pipe 7 and the second isolation half pipe 10 far away from the anchoring head 1, the middle of the fixing disc 6 is provided with a through hole 16, the size of the through hole 16 is the same as that of the steel strand 4, thread grooves 20 are respectively arranged in the top and the bottom of the fixing disc 6, bolts 17 are arranged in the thread grooves 20, the connecting holes 15 are arranged on the positions of the first isolation half pipe 7 and the second isolation half pipe 10 which are the same as the thread grooves 20, the bolts 17 pass through the connecting holes 15 to be connected with the thread grooves 20, the, rubber sleeve 11 is isometric with first isolated half pipe 7 and the isolated half pipe 10 of second, through isolated device 5, can extract the steel strand wires after the construction finishes, has improved the utilization efficiency of material, has avoided influencing subsequent construction simultaneously.
When in use: the utility model firstly connects the anchoring head 1 with the drill rod 3 through the connecting pipe 18 and the drill rod joint 2, the drill rod 3 is connected with the extension rod 19, then the hole is drilled on the soil layer by rotating the drill rod 3, after the drilling is finished, the extension rod 19 is disassembled, the first isolation half-pipe 7 and the second isolation half-pipe 10 are inserted into the rubber sleeve 11, the positioning column 9 is inserted into the positioning groove 8, the relative position of the first isolation half-pipe 7 and the second isolation half-pipe 10 is fixed, meanwhile, the relative position between the first fastening half-pipe 12 and the second fastening half-pipe 13 is fixed, then the steel strand 4 is inserted between the first fastening half-pipe 12 and the second fastening half-pipe 13, then the fixed disk 6 is inserted into the steel strand 4 through the through hole 16 and is moved to the connecting hole 15 on the first isolation half-pipe 7 and the second isolation half-pipe 10, the bolt 17 is passed through the connecting hole 15 and is connected with the thread groove 20 to be fixed, after the installation, the isolation device 5 is inserted into the drill rod 3, until it comes into contact with the connection tube 18, then the extension rod 19 is installed back on the drill rod 3 again, concrete is injected, the friction force generated by fastening the steel strand 4 through the isolation device 5 can further ensure the friction force of the concrete to the steel strand 4, after the construction is finished, the fixing disc 6 is detached from the isolation device 5, and then the steel strand 4 can be pulled out of the isolation device 5, when the steel strand 4 is pulled out, the distance between the first isolation half-pipe 7 and the second isolation half-pipe 10 is shortened, the isolation device 5 can be further moved out of the rubber sleeve 11, only the concrete and the rubber sleeve 11 are left in the soil layer, the subsequent construction is prevented from being influenced, meanwhile, the steel strand 4 and the isolation device 5 which are disassembled can be reused, the utilization efficiency of materials is improved, and a large amount of waste of the materials is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an anchor rod for deep basal pit support which characterized in that: comprises an anchoring head (1), one side of the anchoring head (1) is provided with a connecting pipe (18), one side of the connecting pipe (18) is provided with a drill rod (3), a drill rod joint (2) is arranged between the drill rod (3) and the connecting pipe (18) and is connected with the drill rod joint (2), one end of the drill rod (3) is provided with an extension rod (19), a steel strand (4) is arranged in the drill rod (3), an isolation device (5) is arranged between the steel strand (4) and the drill rod (3), the isolation device (5) comprises a first isolation half pipe (7) and a second isolation half pipe (10), positioning columns (9) are arranged at two ends of the second isolation half pipe (10), a second fastening half pipe (13) is arranged in the second isolation half pipe (10), positioning grooves (8) are arranged at two ends of the first isolation half pipe (7), be provided with first fastening half pipe (12) in first isolated half pipe (7), all be provided with a plurality of connecting plates (14) between first fastening half pipe (12) and first isolated half pipe (7) and between second fastening half pipe (13) and the isolated half pipe of second (10), the outward appearance of first isolated half pipe (7) and the isolated half pipe of second (10) is provided with rubber sleeve (11).
2. A rock bolt for deep foundation pit support according to claim 1, wherein: the drill rod (3) is made of concrete, the drill rod (3) is in threaded connection with the drill rod joint (2), the drill rod (3) and the drill rod joint (2) are equal in width, and the extension rod (19) is in threaded connection with the drill rod (3).
3. A rock bolt for deep foundation pit support according to claim 1, wherein: the one end of steel strand wires (4) is located anchor head (1), steel strand wires (4) are located between first fastening half-pipe (12) and second fastening half-pipe (13), steel strand wires (4) are single strand or four strands of constitution.
4. A rock bolt for deep foundation pit support according to claim 3, wherein: first isolated half pipe (7) and second isolated half pipe (10) are provided with fixed disk (6) between the other end of keeping away from anchor head (1), the centre of fixed disk (6) is provided with through-hole (16), the size of through-hole (16) is the same with steel strand wires (4), all be provided with thread groove (20) in the top of fixed disk (6) and the bottom, be provided with bolt (17) in thread groove (20), first isolated half pipe (7) and second isolated half pipe (10) are provided with connecting hole (15) on the position the same with thread groove (20), bolt (17) pass connecting hole (15) and are connected with thread groove (20).
5. A rock bolt for deep foundation pit support according to claim 1, wherein: the connecting plate (14) is as long as the first fastening half pipe (12) and the second fastening half pipe (13), and the rubber sleeve (11) is as long as the first isolation half pipe (7) and the second isolation half pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022375795.8U CN213625571U (en) | 2020-10-22 | 2020-10-22 | Anchor rod for deep foundation pit support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022375795.8U CN213625571U (en) | 2020-10-22 | 2020-10-22 | Anchor rod for deep foundation pit support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213625571U true CN213625571U (en) | 2021-07-06 |
Family
ID=76622064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022375795.8U Expired - Fee Related CN213625571U (en) | 2020-10-22 | 2020-10-22 | Anchor rod for deep foundation pit support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213625571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774921A (en) * | 2021-09-23 | 2021-12-10 | 天津送变电工程有限公司 | Deep foundation pit supporting structure and installation method |
-
2020
- 2020-10-22 CN CN202022375795.8U patent/CN213625571U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774921A (en) * | 2021-09-23 | 2021-12-10 | 天津送变电工程有限公司 | Deep foundation pit supporting structure and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 |