CN212582667U - Cage type compression and expansion head anti-floating anchor rod and mounting structure thereof - Google Patents
Cage type compression and expansion head anti-floating anchor rod and mounting structure thereof Download PDFInfo
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- CN212582667U CN212582667U CN202021093199.4U CN202021093199U CN212582667U CN 212582667 U CN212582667 U CN 212582667U CN 202021093199 U CN202021093199 U CN 202021093199U CN 212582667 U CN212582667 U CN 212582667U
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Abstract
The utility model relates to a cage compression enlarged footing anti-floating anchor rod and mounting structure thereof belongs to the technical field of stock construction, and anti-floating anchor rod includes the anchor rope and sets up last ground tackle and the anchor down at the anchor rope both ends respectively, the cover is equipped with cage enlarged footing on the anchor rope, cage enlarged footing is established anchor disc and anchor disc down on the anchor rope including the cover, anchor disc butt is under on the ground tackle down, it has set firmly the support arm to go up between anchor disc and the anchor disc down, on the anchor rope in last ground tackle with go up between the anchor disc the cover be equipped with the steel casing pipe, the steel casing pipe is pressed down when the anchor rope is exerted and is prestretched the force and is gone up the anchor disc and make the support arm to the crooked expansion of direction that deviates from. The utility model has the advantages of simple to operate, can increase the anti-pulling force of anchor rope in the slip casting body and shorten construction cycle.
Description
Technical Field
The utility model belongs to the technical field of the technique of stock construction and specifically relates to a cage compression enlarged footing anti-floating anchor rod and mounting structure thereof is related to.
Background
The anti-floating anchor rod is a structural member arranged for resisting upward displacement of a building on the anti-floating anchor rod, is related to the height and change of underground water level, and is opposite to the stress direction of the compression-resistant pile.
At present, the construction of prestressed anti-floating anchor cables is generally that anchor cables are directly inserted into mounting holes, then grouting is carried out to form an anti-floating anchor rod structure, but when prestress is applied to the anchor cables, a first layer of bottom plate is generally poured at the upper ends of the anti-floating anchor rods, after the bottom plate reaches strength, the anchor cables are pre-tensioned, after tensioning is completed, a second layer of bottom plate is poured, the upper ends of the anchor cables are anchored into the second layer of bottom plate, and the construction period of the method is long.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a cage compression enlarged footing anti-floating anchor rod has the advantage that can increase the anti-pulling force of anchor rope in the slip casting and shorten construction cycle.
The above utility model discloses an above-mentioned utility model first purpose can realize through following technical scheme:
the utility model provides a cage compression enlarged footing anti-floating anchor rod, includes the anchor rope and sets up last ground tackle and anchor down at the anchor rope both ends respectively, the cover is equipped with cage enlarged footing on the anchor rope, cage enlarged footing is established last anchor plate and anchor plate down on the anchor rope including the cover, anchor plate butt is on ground tackle down, it has set firmly the support arm to go up between anchor plate and the anchor plate down, on the anchor rope in last ground tackle with go up between the anchor plate the cover be equipped with the steel casing pipe, the steel casing pipe is exerted when pretension force in the anchor rope and is pressed down and go up anchor plate and make the support arm to deviating from the crooked expansion of the direction of anchor plate the central axis.
By adopting the technical scheme, the steel sleeve is arranged between the upper anchor and the upper anchor disc, the steel sleeve and the lower anchor can be taken as holding points, and prestress can be applied to the anchor cable after the anchor cable is installed, so that the base plate can be poured at one time, and the construction period is shortened;
meanwhile, when prestress is applied to the anchor cable, the steel sleeve applies downward acting force to the upper anchor disc under the action of the upper anchorage device, so that the supporting arm is bent and expanded in the direction deviating from the central axis of the upper anchor disc, the pulling resistance of the anchor cable in the grouting body is increased, and the anti-floating performance is improved.
The present invention may be further configured in a preferred embodiment as: the support arm is the arc setting, and the arc is towards going up anchor dish central axis direction indent.
By adopting the technical scheme, the supporting arms can be expanded outwards when prestress is applied to the anchor cable, and the pulling resistance of the anchor cable in the grouting body is increased.
The present invention may be further configured in a preferred embodiment as: the support arm is a steel bar or a steel plate strip.
By adopting the technical scheme, the steel bars or the steel plate strips are easy to purchase and low in manufacturing cost, and sufficient reaction force can be provided for the prestressed anchor cable, so that the prestressed effect of the anchor cable is ensured.
The present invention may be further configured in a preferred embodiment as: and a plurality of groups of supporting arms are arranged at intervals along the circumferential direction of the upper anchor disk.
The present invention may be further configured in a preferred embodiment as: the supporting arms are uniformly arranged along the circumferential direction of the upper anchor disk at intervals.
By adopting the technical scheme, the anchoring force between the anchor cable and the grouting body is uniformly distributed, and the anti-pulling effect is better when the anchor cable is subjected to the pre-tensioning force.
The present invention may be further configured in a preferred embodiment as: a plurality of through holes which correspond to each other are respectively formed in the upper anchor disc and the lower anchor disc, and the anchor cable penetrates through the through holes.
The present invention may be further configured in a preferred embodiment as: the anchor cable penetrates through the anchor device and is fixed through the anchor device clamping piece.
The above utility model discloses an above-mentioned utility model second purpose can realize through following technical scheme:
the anti-floating anchor rod mounting structure comprises a mounting hole, wherein an anti-floating anchor rod is arranged in the mounting hole, one end, provided with a lower anchor, of the anti-floating anchor rod is arranged at the bottom of the mounting hole, a grouting body is filled in the mounting hole, and the lower end of the grouting body is provided with an expansion body.
By adopting the technical scheme, the cage-type expansion head is arranged on the anchor cable, so that the pulling resistance between the anchor cable and the grouting body is increased, and meanwhile, the expansion body is arranged at the lower end of the grouting body, so that the anti-floating performance of the anchor rod structure is increased, and the pulling resistance is better; in addition, the steel sleeve is sleeved on the outer side of the anchor cable to isolate the anchor cable, so that the corrosion resistance of the anchor cable is improved.
To sum up, the utility model discloses a following beneficial technological effect:
the steel sleeve is arranged between the upper anchor and the upper anchor disc, the steel sleeve and the lower anchor can be used as force bearing points, and prestress can be applied to the anchor cable after the anchor cable is installed, so that the base plate can be poured at one time, and the construction period is shortened;
meanwhile, when prestress is applied to the anchor cable, the steel sleeve applies downward acting force to the upper anchor disc under the action of the upper anchorage device, so that the supporting arm is bent and expanded in the direction deviating from the central axis of the upper anchor disc, the pulling resistance of the anchor cable in the grouting body is increased, and the anti-floating performance is improved.
Drawings
Fig. 1 is a schematic structural view of a cable bolt according to a first embodiment;
fig. 2 is a schematic view of the installation structure of the anti-floating anchor rod in the second embodiment.
In the figure, 1, anchor cable; 2. an upper anchorage device; 3. a lower anchorage device; 4. a cage type expanding head; 41. an anchor disk is arranged; 42. a lower anchor plate; 43. a support arm; 5. steel casing; 6. grouting; 7. and (4) swelling roughly.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, for the utility model discloses a cage compression enlarged footing anti-floating anchor rod, including anchor rope 1, anchor rope 1's upper end is equipped with ground tackle 2, and the lower extreme is equipped with down ground tackle 3, and wherein anchor rope 1 can be one or many, and anchor rope 1's upper and lower both ends correspondence is passed ground tackle 2, is down 3 and is fixed through the ground tackle clamping piece. The anchor rope 1 goes up the cover and is equipped with cage enlarged footing 4, and cage enlarged footing 4 is including establishing last anchor plate 41 and lower anchor plate 42 on anchor rope 1, and lower anchor plate 42 butt is on ground tackle 3 down, goes up and sets up the perforation that the axial runs through the anchor plate on anchor plate 41 and the lower anchor plate 42 respectively, and anchor rope 1 passes the perforation. A supporting arm 43 is fixedly arranged between the upper anchor disk 41 and the lower anchor disk 42, the supporting arm 43 is a steel bar or a steel plate strip, the upper end of the supporting arm 43 is welded on the upper anchor disk 41, the lower end of the supporting arm 43 is welded on the lower anchor disk 42, and a plurality of supporting arms 43 are uniformly arranged along the circumferential direction of the upper anchor disk 41 at intervals. The anchor rope 1 is sleeved with a steel sleeve 5 between the upper anchor device 2 and the upper anchor disc 41, the upper end of the steel sleeve 5 is abutted to the bottom surface of the upper anchor device 2, and the lower end of the steel sleeve is abutted to the top surface of the upper anchor disc 41.
By arranging the steel sleeve 5 between the upper anchor 2 and the upper anchor disc 41, the steel sleeve 5 and the lower anchor 3 can be used as holding points, and prestress can be applied to the anchor cable 1 after the anchor cable 1 is installed, so that when a bottom plate is poured, pouring can be completed at one time, and the construction period is shortened; meanwhile, when prestress is applied to the anchor cable 1, the steel sleeve 5 applies downward acting force to the upper anchor disc 41 under the action of the upper anchor device 2, so that the supporting arm 43 bends and expands in the direction deviating from the central axis of the upper anchor disc 41, the pulling resistance of the anchor cable 1 in the grouting body 6 is increased, and the anti-floating performance is improved.
Further, for the convenience of when exerting prestressing force, support arm 43 can outwards expand, is the arc setting with support arm 43, and the arc is towards the indent of last anchor disc 41 central axis direction to guarantee when exerting prestressing force, support arm 43 can outwards expand, increase the withdrawal resistance of anchor rope 1 in slip casting body 6.
Example two:
referring to fig. 2, an anti-floating anchor rod mounting structure comprises a mounting hole, an anti-floating anchor rod is inserted into the mounting hole, one end of the anti-floating anchor rod, which is provided with a lower anchor device 3, is arranged at the bottom of the mounting hole, grouting is performed in the mounting hole to form a grouting body 6, and an expansion body 7 with the diameter larger than that of the grouting body 6 is arranged at the lower end of the grouting body 6.
The implementation principle of the embodiment is as follows: one end of an anchor rope 1 penetrates through a lower anchor 3 and is fixed by an anchor clamping piece, a cage type expansion head 4 is sleeved on the anchor rope 1, the cage type expansion head 4 is moved to a lower anchor disc 42 and is abutted against the lower anchor 3, and a steel sleeve 5 is sleeved on the anchor rope 1. And then inserting the anchor cable 1 with the steel sleeve 5 into the mounting hole filled with the grout inside, inserting the anchor cable into the bottom of the mounting hole, mounting an anchorage device 2 at the other end of the anchor cable 1, tensioning to enable the supporting arms 43 to be outwards opened, and applying prestress on the anchor cable 1.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an anti-floating anchor rod of cage compression enlarged footing, includes anchor rope (1) and sets up last ground tackle (2) and lower anchor (3) at anchor rope (1) both ends respectively, its characterized in that: the anchor rope (1) goes up the cover and is equipped with cage enlarged footing (4), cage enlarged footing (4) are established last anchor plate (41) and anchor plate (42) down on anchor rope (1) including the cover, anchor plate (42) butt is on anchor tackle (3) down, go up anchor plate (41) and anchor plate (42) down between set firmly support arm (43), anchor rope (1) are gone up and are equipped with steel sleeve (5) between last ground tackle (2) and last anchor plate (41), steel sleeve (5) are pressed down when exerting the pretension in anchor rope (1) and are gone up anchor plate (41) and make support arm (43) to deviating from the crooked expansion of the direction of last anchor plate (41) the central axis.
2. The cage type compression and expansion head anti-floating anchor rod as claimed in claim 1, wherein: the supporting arm (43) is arranged in an arc shape, and the arc shape is concave towards the direction of the central axis of the upper anchor disc (41).
3. The cage type compression and expansion head anti-floating anchor rod as claimed in claim 2, wherein: the supporting arm (43) is made of steel bars or steel plate strips.
4. The cage type compression and expansion head anti-floating anchor rod as claimed in claim 1, wherein: the supporting arms (43) are arranged in multiple groups at intervals along the circumferential direction of the upper anchor plate (41).
5. The cage type compression and expansion head anti-floating anchor rod as claimed in claim 4, wherein: the supporting arms (43) are uniformly arranged along the circumferential direction of the upper anchor disc (41) at intervals.
6. The cage type compression and expansion head anti-floating anchor rod as claimed in claim 1, wherein: the upper anchor plate (41) and the lower anchor plate (42) are respectively provided with a plurality of through holes corresponding to each other, and the anchor cable (1) penetrates through the through holes.
7. The cage type compression and expansion head anti-floating anchor rod as claimed in claim 1, wherein: the anchor cable (1) penetrates through the anchor and is fixed through the anchor clamping piece.
8. An installation structure of an anti-floating anchor rod according to any one of claims 1 to 7, wherein: the anti-floating anchor rod is arranged in the mounting hole, one end, provided with a lower anchor (3), of the anti-floating anchor rod is arranged at the bottom of the mounting hole, a grouting body (6) is filled in the mounting hole, and an expansion body (7) is arranged at the lower end of the grouting body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021093199.4U CN212582667U (en) | 2020-06-13 | 2020-06-13 | Cage type compression and expansion head anti-floating anchor rod and mounting structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021093199.4U CN212582667U (en) | 2020-06-13 | 2020-06-13 | Cage type compression and expansion head anti-floating anchor rod and mounting structure thereof |
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| CN212582667U true CN212582667U (en) | 2021-02-23 |
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| CN202021093199.4U Active CN212582667U (en) | 2020-06-13 | 2020-06-13 | Cage type compression and expansion head anti-floating anchor rod and mounting structure thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198743A (en) * | 2021-10-19 | 2022-10-18 | 北方工业大学 | Design of optimal proportioning scheme of pea stone mortar anchor disc |
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2020
- 2020-06-13 CN CN202021093199.4U patent/CN212582667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198743A (en) * | 2021-10-19 | 2022-10-18 | 北方工业大学 | Design of optimal proportioning scheme of pea stone mortar anchor disc |
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