CN213867834U - Novel grouting-free soil nail - Google Patents
Novel grouting-free soil nail Download PDFInfo
- Publication number
- CN213867834U CN213867834U CN202021964911.3U CN202021964911U CN213867834U CN 213867834 U CN213867834 U CN 213867834U CN 202021964911 U CN202021964911 U CN 202021964911U CN 213867834 U CN213867834 U CN 213867834U
- Authority
- CN
- China
- Prior art keywords
- nail
- connecting rod
- threaded
- soil
- threaded connecting
- 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
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model provides a new-type slip casting soil nail of exempting from belongs to building construction auxiliary device technical field. The technical scheme is as follows: the utility model provides a new-type slip casting soil nail of exempting from, includes the head, the tail end to connecting device fixed connection between through, this connecting device has included spring, the first gasket that prevents gyration that sets up on threaded connection pole, set up on the tail section nail section one end and with threaded connection pole matched with thread groove, and with the first gasket that prevents gyration matched with second of preventing gyration. Adopt the utility model provides a behind the structure, rely on and grab soil barb and soil body snap-in force and satisfy the designing requirement, need not carry out the manual work again or the machinery draws the hole, also avoided the slip casting repeatedly simultaneously, shortened the time limit for a project, reduced artifical and mechanical a large amount of drops into, the cost that has significantly reduced drops into, the quality is changed and is guaranteed.
Description
Technical Field
The utility model relates to a construction auxiliary device technical field especially relates to a new-type slip casting soil nail of exempting from.
Background
The soil nail support is a form of slope in-situ reinforcement which is developed and widely applied in recent years, and is particularly widely applied to the foundation pit engineering.
However, in the conventional soil nail supporting process, the soil nail is generally a reinforced soil nail formed by a Luoyang shovel hole, but the soil nail cannot bear the influence of loose or slightly dense sandy soil, slightly dense silt, filling soil or soft soil easy to be constricted, which is easy to collapse, while the existing driving type steel pipe soil nail has certain defects in the application process and is mainly reflected in that: in the process of driving the driven steel pipe soil nail into slightly dense sand soil, slightly dense silt soil and filling soil, the tail end of the steel pipe soil nail is easy to deform under large impact force; and secondly, the loose driving-in type steel pipe soil nail is applied to a hole which is easy to collapse, a grouting hole is usually arranged on the driving-in type steel pipe soil nail, but the existing grouting hole protection structure is unreasonable, so that the driving-in type steel pipe soil nail is easy to block when being driven into a soil body, and the grouting effect is influenced.
How to solve the problems in the prior art is the subject of the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a new-type slip casting soil nail of exempting from to solve above-mentioned problem.
The utility model discloses a realize through following measure: a novel grouting-free soil nail comprises a nail body and a plurality of soil grabbing barbs spirally arranged on the circumferential side surface of the nail body in a staggered manner; wherein, the nail body includes: the anti-rotation device comprises a first section, a tail section and an anti-rotation assembly, wherein one end of the first section is detachably matched with one end of the tail section; wherein the first segment comprises: the first rod body, the nail head arranged at one end of the first rod body and the first threaded connecting rod which is arranged at the other end of the first rod body and the center line of which is collinear with the center line of the first rod body;
the tail section includes: the second rod body is provided with a first threaded groove which is arranged at one end of the second rod body and has a center line collinear with the center line of the second rod body, the first threaded groove is in threaded fit with the first threaded connecting rod, and a second anti-rotation gasket is arranged at the outer end part of the first threaded groove.
The utility model discloses specific characteristics also, the nail body still includes that the head and the tail end can be dismantled the cooperation in proper order, a plurality of interlude that the word was arranged and is opened, a plurality of the one end of interlude with the cooperation can be dismantled to the head, the other end with the cooperation can be dismantled to the tail, a plurality of between the tip that the interlude was mutually supported with and with head and/or all set up between the tip that the tail was mutually supported prevent returning the subassembly.
Further, the intermediate section comprises: a third rod body; the second threaded connecting rod is arranged at one end of the third rod body, the central line of the second threaded connecting rod is collinear with the central line of the third rod body, the second threaded groove is arranged at the other end of the third rod body, the central line of the second threaded connecting rod is collinear with the central line of the third rod body, the second threaded connecting rod is in threaded fit with the first threaded groove and/or the second threaded groove, and the second threaded groove is in threaded fit with the first threaded connecting rod and/or the second threaded connecting rod; and a third rotation prevention gasket arranged at the outer end part of the thread groove.
The utility model discloses specific characteristics still have, prevent back the subassembly and include: the first anti-rotation gasket is sleeved outside the first threaded connecting rod and/or the second threaded connecting rod and matched with the corresponding second anti-rotation gasket and/or the third anti-rotation gasket; and the spring is sleeved outside the first threaded connecting rod and/or on the second threaded connecting rod.
Furthermore, a blocking piece is arranged on the first anti-rotation gasket, and a groove matched with the blocking piece is formed in the first threaded connecting rod and/or the second threaded connecting rod.
Furthermore, the end part of the tail section, which is far away from the first thread groove, is provided with a transverse reinforcing steel bar hole along the radial direction.
Further, the nail body is still including setting up grab soil barb's rubber fender around.
Further, the nail head of the first section is in a thread shape.
The utility model has the advantages that:
in the prior art, soil nails need to be manufactured on site, the manufacturing speed is low, the quality is not easy to guarantee, manual or mechanical hole digging is needed in construction, the manufactured soil nails are placed into the cavities, and grouting is carried out repeatedly. When meetting silt geology or ground water level when higher, easily cause the hole of collapsing, the engineering quality is difficult to guarantee, and construction speed is slow, and the artifical machinery is extravagant in a large number, adopts the utility model provides a structure back, rely on to grab soil barb and soil body snap-in force and satisfy the designing requirement, need not carry on again that artifical or machinery draws the hole, also avoided the slip casting repeatedly simultaneously, shortened the time limit for a project, reduced artifical and mechanical a large amount of drops into, the cost that has significantly reduced drops into, the quality changes the assurance.
Drawings
FIG. 1 is a schematic view of the first section of the present invention;
FIG. 2 is a schematic view of the structure of the tail section of the present invention;
FIG. 3 is a schematic structural view of a middle section of the present invention;
FIG. 4 is a schematic structural view of the threaded connecting rod of the present invention;
FIG. 5 is an enlarged view of the threaded connection rod of the present invention;
FIG. 6 is a schematic view of the structure of the soil grabbing barb of the present invention;
FIG. 7 is a schematic view of the cross-sectional structure of the soil-grabbing barb connection of the present invention;
fig. 8 is a schematic view of the overall structure of the present invention;
fig. 9 is an effect diagram of the device of the present invention.
Wherein the reference numerals are: 1. grabbing a soil barb; 2. a first rod body; 3. a nail head; 4. a first threaded connecting rod; 5. a second rod body; 6. a first threaded groove; 7. a second anti-rotation spacer; 8. a third rod body; 9. A second threaded connecting rod; 10. a second threaded recess; 11. a third rotation prevention gasket; 12. a spring; 13. A first anti-rotation spacer; 14. a baffle plate; 15. a groove; 16. and a transverse reinforcing steel bar hole is penetrated.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1 to 9, the present invention is: a novel grouting-free soil nail comprises a nail body and a plurality of soil grabbing barbs 3 spirally arranged on the circumferential side surface of the nail body in a staggered manner; wherein, the nail body includes: the anti-rotation device comprises a first section, a tail section and an anti-rotation assembly, wherein one end of the first section is detachably matched with one end of the tail section; wherein the first segment comprises: the nail head structure comprises a first rod body 2, a nail head 1 arranged at one end of the first rod body 2, and a first threaded connecting rod 4 which is arranged at the other end of the first rod body 2 and the center line of which is collinear with the center line of the first rod body 2;
the tail section includes: the second rod body 5 is provided with a first thread groove 6 which is arranged at one end of the second rod body 5 and has a center line collinear with the center line of the second rod body 5, the first thread groove 6 is in thread fit with the first thread connecting rod 4, and a second anti-rotation gasket 7 is arranged at the outer end part of the first thread groove 6.
It will be appreciated that the structure is primarily intended to provide a most basic earth nail structure, consisting primarily of two nail sections, a head section and a tail section, and fixedly connected by a connecting structure disposed therebetween. In order to better ensure that the novel soil nail provided by the utility model improves the overall rigidity, tensile strength and shear strength of the soil body, therefore, the body of the whole soil nail is provided with the soil grabbing barbs in a spiral staggered manner; in order to ensure the function of the soil-grabbing barbs in the novel soil nail, the screwing direction of the whole device is strictly controlled, so that the device can realize the following steps: when the soil is screwed in, the soil grabbing barbs are still the rod body parts tightly attached to the soil nails, after the expected depth is reached, the rod body of the soil nails is rotated, the rotating direction is opposite to the previous screwing direction, and the soil grabbing barbs tightly attached to the soil nail rod body can be screwed out, so that the association between the soil nails and the surrounding soil is enhanced, and the overall rigidity of the whole soil body is improved.
In addition, in order to further ensure the accuracy of screwing, therefore, a connecting structure between two nail sections is further described, the device mainly comprises a threaded connecting rod arranged at the head section of the nail section, a spring arranged on the threaded connecting rod, a first anti-rotation gasket, a threaded groove which is arranged at one end of the tail section of the nail section and is matched with the threaded connecting rod, and a second anti-rotation gasket matched with the first anti-rotation gasket.
The utility model discloses specific characteristics also, the nail body still includes that the head and the tail end can be dismantled the cooperation in proper order, a plurality of interlude that the word was arranged and is opened, a plurality of the one end of interlude with the cooperation can be dismantled to the head, the other end with the cooperation can be dismantled to the tail, a plurality of between the tip that the interlude was mutually supported with and with head and/or all set up between the tip that the tail was mutually supported prevent returning the subassembly.
Further, the intermediate section comprises: a third rod body 8; the second threaded connecting rod 9 is arranged at one end of the third rod body 8, and the center line of the second threaded connecting rod is collinear with the center line of the third rod body 8; a second threaded groove 10, which is provided at the other end of the third rod 8, and the center line of the second threaded groove is collinear with the center line of the third rod 8, the second threaded connection rod 9 is in threaded fit with the first threaded groove 6 and/or the second threaded groove 10, and the second threaded groove 10 is in threaded fit with the first threaded connection rod 4 and/or the second threaded connection rod 9; and a third rotation prevention washer 11 disposed at an outer end of the second thread groove 10.
It is further understood that, in order to further enhance the overall rigidity, tensile strength and shear strength of the soil body, the screwing depth of the device needs to be further increased, and that in order to meet different screwing requirements, the middle section is specially provided, and the middle section is still fixedly connected with the first section and the tail section by using the connecting device.
The utility model discloses specific characteristics still have, prevent back the subassembly and include: the first anti-rotation gasket 13 is sleeved outside the first threaded connecting rod 4 and/or the second threaded connecting rod 9 and is matched with the corresponding second anti-rotation gasket 7 and/or the third anti-rotation gasket 11; and the spring 12 is sleeved outside the first threaded connecting rod 4 and/or on the second threaded connecting rod 9.
Furthermore, a blocking piece 14 is arranged on the first anti-rotation gasket 13, and a groove 15 matched with the blocking piece 14 is formed in the first threaded connecting rod 4 and/or the second threaded connecting rod 9. Mainly for the accurate nature of further assurance screw in, further go to fix first gasket of preventing gyration for this first gasket of preventing gyration can be fixed on threaded connection pole effectively.
Furthermore, the end of the tail section far away from the first thread groove 6 is provided with a through transverse reinforcing steel bar hole 16 along the radial direction, and the device is mainly used for facilitating the later reinforcing steel bar binding.
Further, the nail body is still including setting up grab soil barb 1 around the rubber fender, the rubber fender adhesion is in grab soil barb around.
Further, the nail head 3 of the first section is in a thread shape.
Further, grab soil barb and be type pen point form toper slab, the body of rod in be the cavity body of rod, grab soil barb with be provided with stop device between the cavity body of rod, stop device preferred T type gag lever post, the vertical one end of gag lever post with grab the articulated of soil barb, the other end sets up in the cavity body of rod.
It can be understood that, because the technical proposal mainly explains the position relation between the soil grabbing barbs and the rod body, therefore, the rod body referred to herein comprises a first section, a tail section and a middle section, the soil-grabbing barbs are pen-tip-shaped conical sheets of the kind, in order to further combine the soil-grabbing barbs with the rod body, therefore, the side surface of the conical plate is provided with the small hole, an iron wire penetrates through the small hole, so that the soil grabbing barb can be tied on the rod body, and the tied soil grabbing barbs can freely move on the rod body, the free movement refers to that, can be so that this grab soil down bar can open certain angle, in addition in order to improve this grab soil down bar and the body of rod between stability, the open angle of soil down bar is grabbed in further restriction, consequently, is provided with T type gag lever post.
The working principle is as follows: the first section of the soil nail head part of the utility model is drilled into the soil clockwise, the spring is sleeved on the threaded connecting rod, then the anti-rotation gasket is sleeved in the threaded connecting rod, then the first gasket is arranged in front of the end with the threaded groove of the third member in the middle section, the first gasket is matched with the anti-rotation gasket, the clockwise screwing and rotating are performed into the soil, simultaneously the middle sections with different quantities are arranged according to different requirements, then the anti-rotation gasket is sleeved in the threaded connecting rod, then the second gasket is arranged in front of the end with the threaded groove of the second member in the tail section, the second gasket is matched with the anti-rotation gasket, the clockwise screwing and rotating are performed into the soil, after the above work is completed, the soil nail is rotated counterclockwise forcibly, so that the soil grabbing barb on the soil nail is better cut into the soil, then the binding of the reinforcing steel bar is started, the transverse or longitudinal reinforcing steel bar is penetrated into the reserved reinforcing steel bar hole, and (5) performing spray surface construction after the binding is finished.
The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.
Claims (8)
1. A novel grouting-free soil nail is characterized by comprising a nail body and a plurality of soil grabbing barbs (1) spirally arranged on the circumferential side surface of the nail body in a staggered manner;
wherein, the nail body includes: a first section and a tail section with one end detachably matched,
and an anti-rotation assembly disposed between the end portions of the first and tail sections that are mated with each other;
wherein the first segment comprises: the nail head (3) is arranged at one end of the first rod body (2), and the first threaded connecting rod (4) is arranged at the other end of the first rod body (2), and the center line of the first threaded connecting rod is collinear with the center line of the first rod body (2);
the tail section includes: the second rod body (5) is arranged at one end of the second rod body (5), a first thread groove (6) with the center line collinear with the center line of the second rod body (5), the first thread groove (6) is in thread fit with the first thread connecting rod (4), and a second anti-rotation gasket (7) is arranged at the outer end part of the first thread groove (6).
2. The novel grouting-free soil nail as claimed in claim 1, characterized in that: the nail body still includes head and tail end and can dismantle cooperation, a plurality of interlude of arranging in a word in proper order, a plurality of the one end of interlude with the cooperation can be dismantled to the head, the other end with the cooperation can be dismantled to the tail, a plurality of between the interlude mutually support the tip and with all set up between the tip that the tail is mutually supported prevent returning the subassembly.
3. The novel grouting-free soil nail as claimed in claim 2, characterized in that: the intermediate section includes: a third rod (8); the second threaded connecting rod (9) is arranged at one end of the third rod body (8), and the center line of the second threaded connecting rod is collinear with the center line of the third rod body (8); the second threaded groove (10) is arranged at the other end of the third rod body (8), the center line of the second threaded groove is collinear with the center line of the third rod body (8), the second threaded connecting rod (9) is in threaded fit with the first threaded groove (6) and/or the second threaded groove (10), and the second threaded groove (10) is in threaded fit with the first threaded connecting rod (4) and/or the second threaded connecting rod (9); and a third rotation prevention gasket (11) arranged at the outer end part of the second thread groove (10).
4. The novel grouting-free soil nail as claimed in claim 3, characterized in that: the anti-rollback assembly comprises: the first anti-rotation gasket (13) is sleeved outside the first threaded connecting rod (4) and/or the second threaded connecting rod (9) and matched with the corresponding second anti-rotation gasket (7) and/or the third anti-rotation gasket (11); and the spring (12) is sleeved outside the first threaded connecting rod (4) and/or on the second threaded connecting rod (9).
5. The novel grouting-free soil nail as claimed in claim 4, characterized in that: a blocking piece (14) is arranged on the first anti-rotation gasket (13), and a groove (15) matched with the blocking piece (14) is formed in the first threaded connecting rod (4) and/or the second threaded connecting rod (9).
6. The novel grouting-free soil nail as claimed in claim 1, characterized in that: and the end part of the tail section, which is far away from the first thread groove (6), is radially provided with a transverse reinforcing steel bar hole (16).
7. The novel grouting-free soil nail as claimed in claim 1, characterized in that: the nail body is also arranged on the periphery of the soil grabbing barb (1) through a rubber fender.
8. A new grouting-free soil nail as claimed in any one of claims 1 to 7, characterized in that: the nail head (3) of the first section is in a thread shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021964911.3U CN213867834U (en) | 2020-09-09 | 2020-09-09 | Novel grouting-free soil nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021964911.3U CN213867834U (en) | 2020-09-09 | 2020-09-09 | Novel grouting-free soil nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213867834U true CN213867834U (en) | 2021-08-03 |
Family
ID=77048064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021964911.3U Active CN213867834U (en) | 2020-09-09 | 2020-09-09 | Novel grouting-free soil nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213867834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319346A (en) * | 2021-12-20 | 2022-04-12 | 重庆交通大学 | Grouting-free soil nail device suitable for temporary side slope supporting and construction method thereof |
-
2020
- 2020-09-09 CN CN202021964911.3U patent/CN213867834U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319346A (en) * | 2021-12-20 | 2022-04-12 | 重庆交通大学 | Grouting-free soil nail device suitable for temporary side slope supporting and construction method thereof |
| CN114319346B (en) * | 2021-12-20 | 2023-10-27 | 重庆交通大学 | Grouting-free soil nailing device suitable for temporary support of side slope and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209457012U (en) | A kind of building foundation foundation pit slight slope protective mooring rod | |
| CN202595731U (en) | High-bearing-capacity multistage enlarged bore pile convenient to construct | |
| CN213867834U (en) | Novel grouting-free soil nail | |
| CN109184221A (en) | Anchor rib construction method is planted after a kind of concrete | |
| CN201232180Y (en) | Novel sheet pile wall | |
| CN2154288Y (en) | Tube type mud auto-anchor solum anchor rod | |
| CN208472721U (en) | A kind of anchor pole constructed in loose media stratum using hand air drill | |
| CN201943071U (en) | Implantable steel tube anchor rod with stabs | |
| CN209854743U (en) | Anti-slide pile slope reinforcing structure | |
| CN208328915U (en) | A kind of concrete-pile mold | |
| CN104131568A (en) | Novel mixed reinforcement H-shaped sheet pile and five (six)-shaft cement soil mixing wall combined building envelope and construction method thereof | |
| CN201137065Y (en) | Impact force resistant pipe caisson prefabricated club-footed pile for high-rise building | |
| CN201087400Y (en) | High bearing ability immersed tube filling pedestal pile | |
| CN201074324Y (en) | High-rise building club-footed pile | |
| CN201087410Y (en) | Pedestal pile suitable for high-rise building foundation construction | |
| CN201137063Y (en) | High bearing capacity pipe caisson pouring club-footed pile | |
| CN201137064Y (en) | Impact force resistant architecture basic filling pile | |
| CN201121317Y (en) | Anti-impact pedestal pile for building foundation construction | |
| CN201074328Y (en) | Pedestal pile for building foundation construction | |
| CN201137112Y (en) | Impact force resistant architecture base club-footed pile | |
| CN201137091Y (en) | Impact force resistant architecture base club-footed pile | |
| CN201137071Y (en) | Impact force resistant pipe caisson prefabricated club-footed pile | |
| CN201121318Y (en) | Immersed tube pedestal pile | |
| CN201087401Y (en) | Anti-impact construction base filling pile | |
| CN201087412Y (en) | Immersed tube prefabricated pedestal pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |