CN216739689U - Recoverable soil nail - Google Patents
Recoverable soil nail Download PDFInfo
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- CN216739689U CN216739689U CN202220145502.3U CN202220145502U CN216739689U CN 216739689 U CN216739689 U CN 216739689U CN 202220145502 U CN202220145502 U CN 202220145502U CN 216739689 U CN216739689 U CN 216739689U
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Abstract
The application relates to a recyclable soil nail, which belongs to the technical field of building construction and comprises a soil nail rod body, wherein the soil nail rod body can be inserted into a positioning hole which is pre-formed in a supporting wall body; be fixed with thread bush and motor cover on the soil nail body of rod, the thread lantern ring cover is on the pole wall of the soil nail body of rod, and the thread bush sets up along soil nail body of rod length trend, thread bush and location hole threaded connection, on the motor cover is fixed in the soil nail body of rod and keeps away from the terminal surface of wall body, and offer on the motor cover and be used for making to rotate the fixed mouth of motor rotation department inlay card fixed, this application has the effect that makes the soil nail can be dismantled, replacement and retrieve.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a recoverable soil nail.
Background
At present, a soil nailing wall is an in-situ soil body reinforcement technology, and is a slope reinforcement type support construction method which is used for reinforcing a foundation pit slope by driving soil nails into preset positioning holes, paving a reinforcing mesh on the surface of the slope and spraying a layer of concrete surface layer to combine with an earthwork slope. The construction is a complex formed by firmly bonding a reinforced rod piece (namely a soil nail or an anchor rod) arranged in a slope body and a surrounding soil body, and a supporting structure similar to a gravity retaining wall formed by a surface layer.
In research and improvement, researchers find that the soil nails can cause unstable structures due to corrosion and load damage after being used for a long time, while the soil nails in the supporting structure are directly driven into the slope and are difficult to take out due to pressure from the upper part of the slope under normal conditions, so that the defects of undetachable, replaceable and recyclable soil nails exist.
SUMMERY OF THE UTILITY MODEL
In order to enable the soil nail to be disassembled, replaced and recycled, the application provides a recyclable soil nail.
The application provides a recoverable soil nail adopts following technical scheme:
a recoverable soil nail comprises a soil nail rod body, wherein the soil nail rod body can be inserted into a positioning hole which is pre-formed in a supporting wall body; the soil nailing rod body is fixed with a threaded sleeve and a motor sleeve, the threaded sleeve ring is sleeved on the rod wall of the soil nailing rod body, the threaded sleeve is arranged along the length direction of the soil nailing rod body, the threaded sleeve is in threaded connection with the positioning hole, the motor sleeve is fixed on the end face, far away from the wall body, of the soil nailing rod body, and a fixing opening used for enabling the rotating motor to be fixed in a clamping and embedding mode is formed in the motor sleeve.
Through adopting above-mentioned technical scheme, because the cooperation of thread bush and motor cover for the soil nail can rotate and at the internal threaded connection of retaining wall along with rotating the motor, when rotating motor antiport, the soil nail then under the effect of thread bush, is twisted out from the retaining wall is internal, makes the soil nail can be dismantled, replaced and retrieve.
Optionally, be provided with on the soil nailing body of rod and insert and inlay the awl, insert and inlay the awl and be fixed in the soil nailing body of rod on being close to the terminal surface of wall body, and insert and inlay the awl and can insert in the wall body.
By adopting the technical scheme, the inserting and embedding cone can be directly inserted into the wall body, and the inserting and embedding cone can continuously drill into the wall body along with the rotation of the soil nailing rod body, so that a positioning hole does not need to be preset on the supporting wall body, and the construction working time is reduced.
Optionally, a plurality of clamping and embedding chutes are formed in the soil nailing rod body, the clamping and embedding chutes are arranged along the length direction of the soil nailing rod body, and the inner wall of the threaded sleeve is slidably clamped and embedded in the clamping and embedding chutes.
Through adopting above-mentioned technical scheme, the thread bush slides the inlay card with the inlay card spout for the thread bush also can be dismantled the replacement, has reduced soil nail's use cost.
Optionally, the soil nailing rod body equidistance divide into three and cuts including preceding pole, king-rod and back pole, can dismantle the connection between preceding pole and the king-rod, can dismantle the connection between king-rod and the back pole, and the thread bush equidistance divide into three and cut and with preceding pole, king-rod and back pole one-to-one.
Through adopting above-mentioned technical scheme, through segmenting the soil nailing body of rod and thread bush, the base of adaptable different thickness protects the wall body.
Optionally, cross slots are formed in the end faces, far away from the wall body, of the front rod, the middle rod and the rear rod, cross inserting strips are fixed to the end faces, close to the wall body, of the middle rod, the rear rod and the motor sleeve, and the cross inserting strips are connected with the cross slots in an embedded mode.
Through adopting above-mentioned technical scheme, the cross cutting is connected with the inlay card of cross slot, can realize preceding pole, well pole and the back pole between can dismantle and be connected.
Optionally, a through groove is formed in the rod walls of the front rod, the middle rod and the rear rod, the through groove is perpendicular to the rod wall and communicated with the cross slot, a plurality of fixing bolts are further arranged on the soil nailing rod body, the fixing bolts are respectively in one-to-one correspondence with the through grooves, and the fixing bolts are connected with the thread sleeves and are in threaded connection with the through grooves and the cross insertion strips.
Through adopting above-mentioned technical scheme, fixing bolt and through groove threaded connection back, with the cross cutting butt, can increase the stability of being connected between cross cutting and the cross slot.
Optionally, the nut of the fixing bolt may be completely submerged into the outer wall of the threaded sleeve, and an inner hexagonal groove is formed in the end face of the nut of the fixing bolt.
By adopting the technical scheme, the fixing bolt is completely embedded into the outer wall of the threaded sleeve, so that the interference of the fixing bolt on the threaded sleeve when the soil nail is in threaded connection with the supporting wall body can be reduced, and the internal hexagonal groove can facilitate the dismantling of the fixing bolt.
Optionally, the front rod, the middle rod and the rear rod are all provided with a screwing groove, the screwing groove is located in a position, far away from the wall body, of the rod wall, the soil nailing rod body is further provided with a screwing handle, the screwing handle is connected with the screwing groove in an embedded mode after penetrating through the threaded sleeve, and the screwing handle is located in a plane parallel to the end face of the rear rod.
Through adopting above-mentioned technical scheme, when the soil nail need be demolishd, if the operating space undersize rotates the motor and can't install in narrow and small space and place, then the accessible rotates to twist the handle and twist the soil nail and twist to demolish.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the screw sleeve is matched with the motor sleeve, so that the soil nail can rotate along with the rotating motor and is in threaded connection in the supporting wall body, and when the rotating motor rotates reversely, the soil nail is screwed out of the supporting wall body under the action of the screw sleeve, so that the soil nail can be detached, replaced and recovered;
2. the soil nailing rod body is divided into a front rod, a middle rod and a rear rod, and can be adapted according to supporting walls with different thicknesses.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
fig. 2 is an exploded view showing only the threaded sleeve corresponding to the rear rod.
In the figure, 1, a soil nailing rod body; 11. a front bar; 12. a middle rod; 13. a rear bar; 14. the sliding groove is embedded in a clamping manner; 15. inserting a cone; 16. a cross slot; 17. a through groove; 18. fixing the bolt; 19. screwing grooves; 2. a threaded sleeve; 3. cross cutting; 4. a motor cover; 41. a fixed port; 5. the handle is screwed.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses recoverable soil nail.
Referring to fig. 1 and 2, a recoverable soil nail comprises a soil nail rod body 1 and a threaded sleeve 2, wherein a plurality of clamping and embedding chutes 14 are formed on the soil nail rod body 1, and only 4 clamping and embedding chutes 14 are shown as an illustration in the embodiment. The clamping and embedding chute 14 is arranged along the length direction of the soil nailing rod body 1, the thread bush 2 is sleeved on the soil nailing rod body 1 and is clamped and embedded with the clamping and embedding chute 14 in a sliding mode, a clamping and embedding cone 15 is fixed on one end face of the soil nailing rod body 1, the clamping and embedding cone 15 is opposite to the supporting wall body and is inserted into the supporting wall body close to the supporting wall body, and the thread bush 2 can drive the soil nailing rod body 1 to be in threaded connection with the supporting wall body.
Referring to fig. 1 and 2, the soil nailing rod body 1 is divided into three sections and comprises a front rod 11, a middle rod 12 and a rear rod 13, the front rod 11, the middle rod 12 and the rear rod 13 are identical in length and are sequentially arranged, and the front rod 11 and the inserting and embedding cone 15 are fixedly connected. The rear rod 13 is provided with a motor sleeve 4, and the motor sleeve 4 is positioned on the end face of the rear rod 13 far away from the supporting wall body. The front rod 11, the middle rod 12 and the rear rod 13 are provided with cross slots 16 on the end surfaces far away from the inserting and embedding cone 15, and the cross slots 16 are arranged in the direction of the inserting and embedding cone 15 from the end surfaces where the cross slots are located. The middle rod 12, the rear rod 13 and the motor sleeve 4 are fixed with cross-shaped inserting strips 3 on the end faces close to the inserting and embedding cones 15, the cross-shaped inserting strips 3 are arranged along the length direction of the soil nailing rod body 1, and the cross-shaped inserting strips 3 are connected with the cross-shaped inserting grooves 16 in an embedded mode. The end face of the motor sleeve 4 far away from the inserting cone 15 is provided with a fixed port 41, and the fixed port 41 can be occluded with the rotating shaft of the rotating motor and can be detached.
Referring to fig. 1 and 2, a plurality of through grooves 17 are formed in the soil nailing rod body 1, only 3 through grooves are shown in this embodiment as an illustration, the through grooves 17 are respectively corresponding to the front rod 11, the middle rod 12 and the rear rod 13, the through grooves 17 are arranged perpendicular to the rod wall, and the through grooves 17 penetrate through the rod body and are communicated with the cross slot 16. A plurality of groups of fixing bolts 18 are further disposed on the soil nailing rod body 1, only 3 groups of fixing bolts 18 are drawn in this embodiment, and only 2 fixing bolts 18 are drawn in a single group as an illustration. Each group of fixing bolts 18 corresponds to the through grooves 17 one by one, the fixing bolts 18 in the single group are respectively positioned in the through grooves 17 on two sides of the cross slot 16, the fixing bolts 18 penetrate through the threaded sleeve 2 and then are in threaded connection with the corresponding through grooves 17, and the part of the fixing bolt 18 entering the through groove 17 is in threaded connection with the side wall of the cross inserting strip 3 in the cross slot 16. After the fixing bolt 18 is connected with the inner threads of the through groove 17, the nut of the fixing bolt 18 is completely embedded into the outer wall of the threaded sleeve 2, an inner hexagonal groove is formed in the end face of the fixing bolt, and when the fixing bolt 18 needs to be detached, an electric drill bit can be connected with the inner hexagonal groove in an embedded mode.
Referring to fig. 1 and 2, the wall of the soil nailing rod body 1 is provided with a plurality of screw grooves 19, and only 3 screw grooves 19 are shown as an illustration in the present embodiment. The screwing grooves 19 correspond to the front rod 11, the middle rod 12 and the rear rod 13 one by one and are communicated with the outer wall of the threaded sleeve 2, and the screwing grooves 19 are arranged along the positions close to the fixing bolts 18. The soil nailing rod body 1 is further provided with a screwing handle 5, the screwing handle 5 is an L-shaped rod, a short rod of the screwing handle 5 can penetrate through the outer wall of the thread sleeve 2 corresponding to the screwing groove 19 and then is connected with the screwing groove 19 in a clamping and embedding manner, and an L-shaped opening of the screwing handle 5 and the end face of the soil nailing rod body 1 are located in the same horizontal plane.
The implementation principle of recoverable soil nail of this application embodiment does: when the soil nail is installed, whether the middle rod 12 and the rear rod 13 are additionally installed or not is selected according to the thickness of a supporting wall body, after the soil nail rod body 1 is assembled, the fixing bolt 18 is installed, the threaded sleeve 2 is slidably clamped and embedded on the soil nail rod body 1, the fixing port 41 is finally meshed and embedded with the rotating shaft of the rotating motor, the rotating motor is started after the soil nail is placed at a position, needing to be embedded, of the supporting wall body, and the soil nail is driven into the supporting wall body through threaded connection. When the soil nails need to be removed, replaced and recycled, the steps are reversed. When the operation space is narrow and the rotating motor cannot be installed and placed, the screwing handle 5 and the screwing groove 19 can be connected in a clamping and embedding manner, and the soil nail can be manually screwed and removed by rotating the screwing handle 5 in a plane parallel to the end face of the soil nail rod body 1.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A recoverable soil nail which is characterized in that: the soil nailing wall comprises a soil nailing rod body (1), wherein the soil nailing rod body (1) can be inserted and embedded into a positioning hole which is pre-arranged on a supporting wall body; be fixed with thread bush (2) and motor cover (4) on the soil nailing body of rod (1), thread bush (2) ring cover is on the pole wall of the soil nailing body of rod (1), and thread bush (2) set up along soil nailing body of rod (1) length trend, thread bush (2) and location hole threaded connection, motor cover (4) are fixed in on the terminal surface of the soil nailing body of rod (1) keeping away from the wall body, and offer on motor cover (4) and be used for making to rotate motor rotation department inlay card fixed mouthful (41).
2. The recoverable soil nail of claim 1, wherein: the soil nailing rod body (1) is provided with an inserting and embedding cone (15), the inserting and embedding cone (15) is fixed on the end face, close to the wall body, of the soil nailing rod body (1), and the inserting and embedding cone (15) can be inserted into the wall body.
3. The recoverable soil nail of claim 1, wherein: a plurality of clamping and embedding chutes (14) are formed in the soil nailing rod body (1), the clamping and embedding chutes (14) are arranged along the length direction of the soil nailing rod body (1), and the inner wall of the threaded sleeve (2) is slidably clamped and embedded in the clamping and embedding chutes (14).
4. The recoverable soil nail of claim 3, wherein: soil nail body of rod (1) equidistance divide into the three and cut including preceding pole (11), well pole (12) and back pole (13), can dismantle the connection between preceding pole (11) and well pole (12), can dismantle the connection between well pole (12) and back pole (13), thread bush (2) equidistance divide into the three and cut and with preceding pole (11), well pole (12) and back pole (13) one-to-one.
5. The recoverable soil nail of claim 4, wherein: cross slots (16) are formed in the end faces, far away from the wall body, of the front rod (11), the middle rod (12) and the rear rod (13), cross inserting strips (3) are fixed on the end faces, close to the wall body, of the middle rod (12), the rear rod (13) and the motor sleeve (4), and the cross inserting strips (3) are connected with the cross slots (16) in an embedded mode.
6. The recoverable soil nail of claim 5, wherein: the soil nail rod body is characterized in that through grooves (17) are formed in the rod walls of the front rod (11), the middle rod (12) and the rear rod (13), the through grooves (17) are perpendicular to the rod walls and communicated with the cross slots (16), a plurality of fixing bolts (18) are further arranged on the soil nail rod body (1), the fixing bolts (18) are in one-to-one correspondence with the through grooves (17), and the fixing bolts (18) penetrate through the thread sleeves (2) and are in threaded connection with the through grooves (17) and the cross inserting strips (3).
7. The recoverable soil nail of claim 6, wherein: the nut of the fixing bolt (18) can be completely submerged into the outer wall of the threaded sleeve (2), and an inner hexagonal groove is formed in the end face of the nut of the fixing bolt (18).
8. The recoverable soil nail of claim 7, wherein: the front rod (11), the middle rod (12) and the rear rod (13) are all provided with screwing grooves (19), the screwing grooves (19) are located on the positions, far away from the wall body, of the rod wall where the screwing grooves (19) are located, the soil nailing rod body (1) is further provided with screwing handles (5), the screwing handles (5) are connected with the screwing grooves (19) in a clamping and embedding mode after penetrating through the threaded sleeves (2), and the screwing handles (5) are located in a plane parallel to the end face of the rear rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145502.3U CN216739689U (en) | 2022-01-19 | 2022-01-19 | Recoverable soil nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145502.3U CN216739689U (en) | 2022-01-19 | 2022-01-19 | Recoverable soil nail |
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| Publication Number | Publication Date |
|---|---|
| CN216739689U true CN216739689U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220145502.3U Active CN216739689U (en) | 2022-01-19 | 2022-01-19 | Recoverable soil nail |
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| CN (1) | CN216739689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591196A (en) * | 2023-07-17 | 2023-08-15 | 中铁建工集团第二建设有限公司 | Flexible supporting structure of excavation side slope |
-
2022
- 2022-01-19 CN CN202220145502.3U patent/CN216739689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591196A (en) * | 2023-07-17 | 2023-08-15 | 中铁建工集团第二建设有限公司 | Flexible supporting structure of excavation side slope |
| CN116591196B (en) * | 2023-07-17 | 2023-10-10 | 中铁建工集团第二建设有限公司 | Flexible supporting structure of excavation side slope |
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