CN219671336U - Anchor bolt support reinforcing device - Google Patents
Anchor bolt support reinforcing device Download PDFInfo
- Publication number
- CN219671336U CN219671336U CN202320957917.5U CN202320957917U CN219671336U CN 219671336 U CN219671336 U CN 219671336U CN 202320957917 U CN202320957917 U CN 202320957917U CN 219671336 U CN219671336 U CN 219671336U
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- CN
- China
- Prior art keywords
- shaft
- locking shaft
- anchor rod
- anchor
- support
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Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 32
- 230000008093 supporting effect Effects 0.000 claims abstract description 24
- 239000011435 rock Substances 0.000 description 9
- 239000002689 soil Substances 0.000 description 8
- 238000007569 slipcasting Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an anchor bolt supporting and reinforcing device in the technical field of slope supporting and deep foundation pit supporting devices, which comprises an anchor bolt and a reinforcing device arranged on the anchor bolt, wherein the reinforcing device comprises a clamping ring sleeved on the anchor bolt and an upper and lower rotation locking shaft, the upper rotation locking shaft is vertically connected below the clamping ring, the reinforcing device further comprises a telescopic support frame, the upper end part of the support frame is connected with the upper rotation locking shaft, the lower end part of the support frame is connected with a lower rotation locking shaft, and the lower part of the lower rotation locking shaft is vertically connected with an anchor bolt sleeve. The device is simple and convenient to construct when in use, stressed in multiple surfaces, improves the stability of the anchor rod after supporting, and is suitable for being used in slope supporting and deep foundation pit supporting devices.
Description
Technical Field
The utility model relates to the technical field of side slope support and deep foundation pit support devices, in particular to an anchor bolt support reinforcing device.
Background
The side slope formed in engineering construction is commonly supported by anchor rods, and the anchor rod support is a reinforcing support mode adopted in the construction of underground chambers such as side slopes, rock and soil deep foundation pits and the like. The anchor rod is driven into the prefabricated holes of the rock mass on the earth surface or around the chamber, and the special structures of the head part and the rod body, the tail support plate and the like are utilized, or the surrounding rock and the stable rock mass are combined by means of grouting adhesion to generate suspension effect, combined beam effect and reinforcing effect, so that the aim of supporting is fulfilled.
Screw thread stock is commonly adopted in the anchor bolt support among the prior art to carry out slip casting in order to reach the supporting effect, makes its and rock mass frictional force increase in order to reach behind the slip casting tensile pull-out performance reinforcing and improve the supporting effect, but because the place rock mass quality that needs the support is relatively poor, the soil texture is softer, and the position of pulling pull-out force is single after the slip casting can lead to stability after the anchor bolt support to reduce, forms easily and collapses, increases the construction danger.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the anchor bolt support reinforcing device which is stressed in multiple faces, is simple and convenient to construct and improves the stability of the anchor bolt support.
The purpose of the utility model is realized in the following way: the utility model provides an anchor bolt support reinforcing apparatus, includes the stock and sets up the reinforcing apparatus on the stock, reinforcing apparatus establishes snap ring and upper and lower rotatory locking axle on the stock including the cover, and upper rotatory locking axle is connected perpendicularly in the below of snap ring, reinforcing apparatus still includes telescopic support frame, the upper end and the upper rotatory locking axle of support frame are connected, the lower end connection of support frame has rotatory locking axle down, the below of rotatory locking axle is connected with the stock sleeve perpendicularly down.
When the locking device works, the clamping ring is used for limiting, after the clamping ring is connected with the anchor rod, the upper and lower rotary locking shafts rotate, the rotary acting force is transmitted to the inner shaft from the outer shaft to be connected with the anchor rod, the upper part of the upper rotary locking shaft reaches the clamping ring, the support frame is connected between the upper and lower rotary locking shafts, and when the upper rotary locking shaft is connected with the anchor rod, the support frame is in a retracted state, so that the locking device is convenient for workers to install.
Compared with the prior art, the utility model has the beneficial effects that:
first, stock reinforcing apparatus wholly installs the stock bottom for spiral, convenient to use, and the installation is dismantled simply.
And the second, the rotary locking shaft is connected by an outer shaft and an inner shaft lasso, the outer shaft is connected with the supporting frame, the inner shaft is connected with the anchor rod, and the rotating stress supporting frame is deformed into an isosceles triangle structure through the hinge shaft after the anchor rod is placed in place, so that the stress positions are increased, and the stability of the structure is enhanced.
Thirdly, the inner wall of the anchor rod sleeve is smooth, the anchor rod rotates to the anchor rod sleeve, the support frame is supported by stress after deformation, and the anchor rod flows out to the support frame part and the soil layer at the bottom of the anchor rod sleeve along with reserved gaps at two sides of the bottom of the anchor rod sleeve during grouting, so that the supporting effect is enhanced.
Further, the up-down rotation locking shaft comprises an outer shaft and an inner shaft, the outer shaft is connected with the inner shaft through a lasso, the outer wall of the inner shaft and the inner wall of the outer shaft are respectively and vertically provided with mutually matched strip-shaped inserting blocks, the inner shaft and the outer shaft are blocked by collision of the two strip-shaped inserting blocks under the rotation acting force, and the outer shaft is enabled to conduct the rotation acting force to the inner shaft through the strip-shaped inserting blocks so as to be connected with the anchor rod.
Further, the support frame comprises an upper support rod and a lower support rod, the upper support rod is connected with the lower support rod through a hinge shaft, and the upper end part of the upper support rod and the lower end part of the lower support rod are respectively connected with the outer shaft of the upper and lower rotation locking shaft through the hinge shaft.
Further, four upper support rods and four lower support rods are correspondingly arranged respectively, and the upper support rods and the lower support rods are of sheet structures.
Further, the anchor rod sleeve is vertically connected with the inner shaft of the lower rotary locking shaft, the inner wall of the anchor rod sleeve is a smooth surface, reserved gaps are formed in two sides of the bottom of the anchor rod sleeve, and anti-slip saw teeth are formed in the bottom of the outer wall of the anchor rod sleeve.
Further, spiral grooves are formed in the inner wall of the clamping ring and the inner wall of the inner shaft of the up-down rotation locking shaft, and the clamping ring and the inner wall of the inner shaft of the up-down rotation locking shaft are connected to the anchor rod in a spiral mode through the spiral grooves.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic structural view of a snap ring according to the present utility model.
Fig. 3 is a schematic structural view of the rotation locking shaft in the present utility model.
Fig. 4 is a schematic structural view of the support frame after being retracted.
Fig. 5 is a schematic structural view of an anchor rod sleeve according to the present utility model.
In the upper drawing, a clamping ring 1, a rotary locking shaft 2, a supporting frame 3, a bolt sleeve 4, an outer shaft 5, an inner shaft 6, a strip-shaped inserting block 7, an upper supporting rod 8, a lower supporting rod 9, a hinge shaft 10, anti-skid saw teeth 11, a reserved seam 12, a lower rotary locking shaft 13 and a bolt 14.
Description of the embodiments
The utility model provides an anchor bolt support reinforcing apparatus as shown in fig. 1~5, including stock 14 and set up the reinforcing apparatus on the stock 14, reinforcing apparatus is including the snap ring 1 of cover on stock 14 and upper and lower rotatory locking axle, and upper rotatory locking axle 2 is connected perpendicularly in the below of snap ring 1, and reinforcing apparatus still includes telescopic support frame 3, and the upper end and the upper rotatory locking axle 2 of support frame 3 are connected, and the lower end connection of support frame 3 has rotatory locking axle 13 down, and the below of rotatory locking axle 13 is connected with stock sleeve 4 perpendicularly down.
The up-down rotation locking shaft comprises an outer shaft 5 and an inner shaft 6, the outer shaft 5 is connected with the inner shaft 6 through a lasso, strip-shaped inserting blocks 7 which are mutually matched are vertically arranged on the outer wall of the inner shaft 6 and the inner wall of the outer shaft 5 respectively, the inner shaft 6 and the outer shaft 5 are blocked by collision of the two strip-shaped inserting blocks 7 under the rotation acting force, and the outer shaft 5 transmits the rotation acting force to the inner shaft 6 through the strip-shaped inserting blocks 7 so as to be connected with an anchor rod 14; the reverse rotation disengages the two bar-shaped inserts 7 from each other so that the rotation locking shaft is detached from the anchor rod 14.
The support frame 3 includes upper support rod 8 and lower support rod 9, and upper support rod 8 is connected through hinge pin 10 with lower support rod 9, and upper end of upper support rod 8 is connected through hinge pin 10 with the outer axle 5 of upper and lower rotatory locking axle respectively with lower support rod 9.
Four upper support rods 8 and four lower support rods 9 are correspondingly arranged, and the upper support rods 8 and the lower support rods 9 are of sheet structures.
The stock sleeve 4 is connected perpendicularly with the interior axle 6 of lower rotatory locking axle 13, and the inner wall of stock sleeve 4 is smooth surface, is equipped with reservation seam 12 in the bottom both sides of stock sleeve 4, and stock sleeve 4 outer wall bottom is equipped with anti-skidding sawtooth 11.
Spiral grooves are formed in the inner wall of the clamping ring 1 and the inner wall of the inner shaft 6 of the up-down rotation locking shaft, and the clamping ring is spirally connected to the anchor rod 14 through the spiral grooves.
When the utility model works, through the limiting action of the upper part of the upper rotary locking shaft 2 and the clamping ring 1, the inner shaft 6 of the rotary locking shaft is enabled to be subjected to the rotary acting force of the anchor rod, the anchor rod 14 is rotated into the anchor rod sleeve 4 below, the support frame 3 is rotated through the rotary locking shaft, and the length of the anchor rod 14 to the anchor rod sleeve 15 is adjusted so as to adjust the angle of the hinge shaft 10 between the upper support rod 8 and the lower support rod 9, so that an isosceles triangle structure is formed, the stress part is increased, and the stability of the structure is enhanced.
The working principle of the anchor bolt support reinforcing device of the utility model is as follows: when the telescopic locking device is used, the clamping ring 1 is rotationally connected to the anchor rod 14 for limiting, the strip-shaped insert 7 on the outer shaft 5 of the upper rotary locking shaft 2 is rotated to the strip-shaped insert 7 on the inner shaft 6 to be locked, the anchor rod 14, the upper rotary locking shaft 2 and the supporting frame 3 are connected to the lower part of the clamping ring 1 through rotational acting force, the inner shaft 6 of the upper rotary locking shaft 2 is connected with the anchor rod 14, and meanwhile, the hinge shaft 10 between the upper supporting rod 8 and the lower supporting rod 9 is adjusted to be in a 180-degree retracted state; the anchor rod 14 is rotated to the inner shaft 6 of the lower rotation locking shaft 13, and the rotation is stopped at the position which is just turned into the anchor rod sleeve 4, at the moment, the whole device is firstly installed into a pre-drilled hole, the anti-skid saw teeth 11 at the bottom of the anchor rod sleeve 4 are contacted with a rock soil layer, the supporting force born by the anchor rod 14 is conducted to the anti-skid saw teeth 11 at the bottom of the anchor rod sleeve 4, the supporting force and the rotation acting force are conducted to the anchor rod 14 by using a rotary drilling machine, and the friction force between the anti-skid saw teeth 11 at the bottom of the anchor rod sleeve 4 and the rock soil layer is increased by the supporting force and the rotation acting force, so that the structure of the device is stable; the anchor rod sleeve 4 is connected with the inner shaft 6 of the lower rotary locking shaft 13, the inner shaft 6 is influenced by the friction force of the anti-slip saw tooth 11 at the bottom, so that the anchor rod 14 rotates into the anchor rod sleeve 4 through the rotation acting force, the outer shaft 5 is connected with the support frame 3 and does not rotate along with the inner shaft 6, and meanwhile, the upper rotary locking shaft 2 is limited and immovable by the clamping ring 1 when the anchor rod 14 is screwed into the anchor rod sleeve 4 under the influence of the friction force of the anti-slip saw tooth 11 and the rotation acting force of the anchor rod 14, and after the anchor rod 14 connected with the inner shaft 6 of the lower rotary locking shaft 13 rotates to the anchor rod sleeve 4, the length of the anchor rod 14 between the upper rotary locking shaft and the lower rotary locking shaft is automatically adjusted, so that the opening angle between the upper support rod 8 and the lower support rod 9 is adjusted, an isosceles triangle stable structure is formed in a hole, and the rock and soil layer in the hole is supported; after the support frame 3 supports, slip casting is carried out to stock 14, and after slip casting reached stock sleeve 4 bottom, in reaching the soil horizon by the reserved joint 12 of bottom both sides, the last bracing piece 8 of support frame 3 becomes isosceles triangle structure with lower bracing piece 9 deformation and connects the soil horizon through the slip casting, makes stock 14 atress position increase, and then reinforcing and strut the effect, improves the stability after stock 14 strut. The anchor bolt support reinforcing device is convenient to use, simple to install and detach and suitable for being used in slope support and deep foundation pit support devices.
The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.
Claims (6)
1. The utility model provides an anchor bolt support reinforcing apparatus, includes the stock and sets up reinforcing apparatus on the stock, its characterized in that: the reinforcing device comprises a clamping ring sleeved on the anchor rod and an upper rotating locking shaft and a lower rotating locking shaft, the upper rotating locking shaft is vertically connected to the lower portion of the clamping ring, the reinforcing device further comprises a telescopic supporting frame, the upper end portion of the supporting frame is connected with the upper rotating locking shaft, the lower end portion of the supporting frame is connected with the lower rotating locking shaft, and the lower portion of the lower rotating locking shaft is vertically connected with an anchor rod sleeve.
2. An anchor bolt support reinforcing apparatus according to claim 1, wherein: the up-down rotation locking shaft comprises an outer shaft and an inner shaft, the outer shaft is connected with the inner shaft through a lasso, the outer wall of the inner shaft and the inner wall of the outer shaft are respectively and vertically provided with mutually matched strip-shaped inserting blocks, the inner shaft and the outer shaft are blocked by collision of the two strip-shaped inserting blocks under the rotation acting force, and the outer shaft is enabled to conduct the rotation acting force to the inner shaft through the strip-shaped inserting blocks so as to be connected with the anchor rod.
3. An anchor bolt support reinforcing apparatus according to claim 1, wherein: the support frame comprises an upper support rod and a lower support rod, the upper support rod is connected with the lower support rod through a hinge shaft, and the upper end part of the upper support rod and the lower end part of the lower support rod are respectively connected with the outer shaft of the upper and lower rotation locking shaft through the hinge shaft.
4. A bolt support reinforcing apparatus according to claim 3, wherein: four upper support rods and four lower support rods are correspondingly arranged respectively, and the upper support rods and the lower support rods are of sheet structures.
5. An anchor bolt support reinforcing apparatus according to claim 1, wherein: the inner wall of the anchor rod sleeve is a smooth surface, reserved gaps are formed in two sides of the bottom of the anchor rod sleeve, and anti-slip saw teeth are formed in the bottom of the outer wall of the anchor rod sleeve.
6. An anchor bolt support reinforcing apparatus according to claim 1, wherein: spiral grooves are formed in the inner wall of the clamping ring and the inner wall of the inner shaft of the up-down rotation locking shaft, and the clamping ring and the inner wall of the inner shaft of the up-down rotation locking shaft are connected to the anchor rod in a spiral mode through the spiral grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320957917.5U CN219671336U (en) | 2023-04-25 | 2023-04-25 | Anchor bolt support reinforcing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320957917.5U CN219671336U (en) | 2023-04-25 | 2023-04-25 | Anchor bolt support reinforcing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219671336U true CN219671336U (en) | 2023-09-12 |
Family
ID=87896290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320957917.5U Active CN219671336U (en) | 2023-04-25 | 2023-04-25 | Anchor bolt support reinforcing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219671336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071594A (en) * | 2023-10-13 | 2023-11-17 | 四川省建筑科学研究院有限公司 | Foundation pit supporting structure |
-
2023
- 2023-04-25 CN CN202320957917.5U patent/CN219671336U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071594A (en) * | 2023-10-13 | 2023-11-17 | 四川省建筑科学研究院有限公司 | Foundation pit supporting structure |
| CN117071594B (en) * | 2023-10-13 | 2023-12-22 | 四川省建筑科学研究院有限公司 | Foundation pit supporting structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |