CN212865927U - Enlarged footing anchor rope fixing device - Google Patents
Enlarged footing anchor rope fixing device Download PDFInfo
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- CN212865927U CN212865927U CN202021180731.6U CN202021180731U CN212865927U CN 212865927 U CN212865927 U CN 212865927U CN 202021180731 U CN202021180731 U CN 202021180731U CN 212865927 U CN212865927 U CN 212865927U
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- hole
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- reinforced concrete
- anchor cable
- drill bit
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Abstract
The utility model provides an enlarged footing anchor rope fixing device, including rubble layer and ground domatic, the vertical reinforced concrete friction pile that installs on the ground domatic, reinforced concrete friction pile right side reservation has anchor rope construction hole site; the anchor pile is characterized by also comprising a stepped hole drilled by drilling equipment, wherein the stepped hole is obliquely arranged in a rock soil slope and comprises an anchor section and a free section, and the anchor section is positioned on the complete rock soil surface and is connected with the reinforced concrete slide-resistant pile through the free section; anchor cables are buried in the stepped holes and cement mortar is filled in the stepped holes. The utility model discloses an enlarge the drill bit and drill, after getting the straight hole of certain degree of depth when boring, change drilling equipment's operating data and action instruction, open and enlarge the drill bit, obtain the shoulder hole structure that enlarges, the shoulder hole back that targets in place, the drill bit is replied former dress, withdraws the drill bit from original straight hole. Then the anchor cable is placed downwards, cement mortar is poured, the rock and the anchor cable are firmly bonded by the cement mortar, the contact surface is fully expanded, and the pulling resistance of the anchor cable is greatly increased.
Description
Technical Field
The utility model relates to building engineering anchor rope construction technical field, in particular to enlarged footing anchor rope fixing device.
Background
In the building construction engineering, a reinforcing structure for a use surface of the engineering needs to be constructed on a rock slope surface or a foundation pit support. Firm processing operation is carried out on rock slope or foundation ditch, and common construction mode is: and drilling holes on the side slope or the slide-resistant pile along the slope retaining wall or the slide-resistant pile, anchoring an anchor rope, and stabilizing the tension-load construction structure by utilizing the connection of the anchor rope and the inner rock soil.
However, such a construction load structure exists: the problems of unstable gripping force, limited pulling resistance and easy loosening and failure of the anchor cable are easy to occur due to the arranged straight hole.
SUMMERY OF THE UTILITY MODEL
In order to solve the disadvantages of the prior art, the utility model provides an enlarged footing anchor cable fixing device.
The utility model provides a technical scheme is: an anchor cable fixing device with an enlarged footing comprises a rubble layer and a rock-soil slope surface, wherein a reinforced concrete slide-resistant pile is vertically arranged on the rock-soil slope surface, and an anchor cable construction hole site is reserved on the right side of the reinforced concrete slide-resistant pile; the anchor pile is characterized by also comprising a stepped hole drilled by drilling equipment, wherein the stepped hole is obliquely arranged in a rock soil slope and comprises an anchor section and a free section, and the anchor section is positioned on the complete rock soil surface and is connected with the reinforced concrete slide-resistant pile through the free section; anchor cables are buried in the stepped holes and cement mortar is filled in the stepped holes.
The utility model discloses set up the shoulder hole of integrated into one piece processing on ground is domatic, adopt to enlarge the drill bit and creep into processing. When the enlarged drill bit drills a straight hole with a certain depth, the operation data and the action instructions of the drilling equipment are changed, the enlarged drill bit starts to be opened to enlarge the drilled hole, an enlarged stepped hole structure is gradually obtained in the drilling process, after the stepped hole is in place, the drill bit returns to the original position, and the drill bit is withdrawn from the original straight hole. And then, the anchor cable is placed downwards and installed, cement mortar is poured, so that the anchor cable is added with the cement mortar, the rock and the anchor cable are firmly bonded by the cement mortar, the contact surface is fully expanded, and the pulling resistance of the anchor cable is greatly increased. Finally, the reinforced structure in the rock soil slope is an anchor cable fixing stepped structure with a large inside and a small outside, and the pulling and carrying area of the construction pulling and carrying structure and the rock soil slope is increased, so that slope protection facilities can be more stable. As shown in the attached figures 1-2, in the drilling situation, a reinforced concrete slide-resistant pile is poured on a vertical formwork on a rock slope surface, or a reinforced concrete column can be adopted, and anchor cable construction hole sites are reserved on the side of the reinforced concrete slide-resistant pile. And (3) erecting a guide pipe on the reinforced concrete slide-resistant pile in advance to block the opening, taking down the inclined guide pipe after the reinforced concrete slide-resistant pile is formed to obtain a reserved drill hole, and drilling by adopting drilling equipment. As shown in fig. 3, the drilling equipment with the hole expanding function is installed at the end of the drilling arm of the drilling equipment, the drilling arm is used for drilling holes corresponding to the reserved drilling holes of the reinforced concrete slide-resistant pile, when the drilling is carried out to a certain depth, the hydraulic mechanism or the mechanical system is operated to open the drilling equipment, the diameter of the drilling holes is enlarged, and the stepped holes are obtained by continuously drilling the holes. When the drill bit is recovered, the drill bit is firstly contracted to recover, the drill bit is withdrawn from the original straight hole, the anchor cable below the drill bit is poured and molded after the empty hole is cleaned, and the reinforced concrete slide-resistant pile is stabilized by utilizing the stepped pulling load structure.
Furthermore, the drilling equipment is a hydraulic expansion drill bit or a mechanical spring expansion drill bit and is provided with a four-notch structure, and the right end of the expansion drill bit is connected to the drilling arm. The mechanical spring is adopted to enlarge the drill bit, the head of the mechanical spring enlarged drill bit is provided with four drill bit edges, and during drilling, four notches are formed for reaming.
Furthermore, the reinforced concrete slide-resistant pile is provided with an inclined hole corresponding to the right part of the stepped hole, and the right end of the anchor cable is positioned in the inclined hole of the reinforced concrete slide-resistant pile. The inclined hole is reserved by adopting a supporting die, so that the drilling arm can conveniently stretch into the inclined hole.
Furthermore, masonry facilities are arranged at the construction hole positions of the anchor cables, the masonry facilities are attached to the right side face of the reinforced concrete slide-resistant pile and cover inclined holes formed in the reinforced concrete slide-resistant pile.
Furthermore, the stepped hole consists of a straight hole and a stepped blind hole, the straight hole is positioned at the right side, and the length of the straight hole is 10000-; the stepped blind hole is positioned on the left side, and the length of the stepped blind hole is 6000-10000 mm. In order to achieve proper construction strength and meet a certain pulling and loading distance, the stepped hole consists of a straight hole and a stepped blind hole, the straight hole is positioned on the right side, and the length of the straight hole is 12000 mm; the ladder blind hole is located the left side, and its length is 8000 mm.
Further, the diameter of the straight hole is 100-200 mm. In order to achieve proper construction strength and meet a certain pulling and loading distance, the diameter of the straight hole is 150 mm.
Further, the diameter of the stepped blind hole is 350-550 mm. In order to achieve proper construction strength and meet a certain pulling and loading distance, the diameter of the stepped blind hole is 400 mm.
The utility model has the beneficial technical effects that: the utility model discloses an enlarge the drill bit and process. When the enlarged drill bit drills a straight hole with a certain depth, the operation data and the action instructions of the drilling equipment are changed, the enlarged drill bit starts to be opened to enlarge the drilled hole, an enlarged stepped hole structure is gradually obtained in the advancing process, after the stepped hole is in place, the drill bit returns to the original position, and the drill bit is withdrawn from the original straight hole. And then, lowering the anchor cable, and pouring concrete to enable the concrete to be supported by the anchor cable.
Drawings
FIG. 1 is a schematic diagram of the construction structure before reaming;
FIG. 2 is a schematic diagram of the construction structure after reaming of the utility model;
FIG. 3 is a schematic diagram of the final structure of the utility model;
in the figure, 1, a gravel layer, 2, a rock-soil slope surface, 3, drilling equipment, 4, a reinforced concrete slide-resistant pile, 5, a drilling arm, 6, an anchor cable construction hole site, 7, a stepped hole, 8, a masonry facility, 9 and an anchor cable.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, the relative terms "upper", "lower", "left", "right", "inner", "outer" and other position indication positions are only based on the position shown in the drawings to simplify the description of the present invention, but not the position and structure that the components must have, and thus, the limitation of the present invention cannot be understood.
Example 1
An anchor cable fixing device with an enlarged head comprises a rubble layer 1 and a rock-soil slope surface 2, wherein a reinforced concrete slide-resistant pile 4 is vertically arranged on the rock-soil slope surface 2, and an anchor cable construction hole site 6 is reserved on the right side of the reinforced concrete slide-resistant pile 4; the anchor pile is characterized by further comprising a stepped hole 7 drilled by the drilling equipment 3, wherein the stepped hole 7 is obliquely arranged in the rock-soil slope surface 2, the stepped hole 7 comprises an anchor section and a free section, the anchor section and the free section respectively correspond to a straight hole and a stepped blind hole, the anchor rope 9 is arranged below the anchor section and the free section to form the anchor section and the free section, and the anchor section is positioned on the complete rock-soil surface and is connected with the reinforced concrete slide-resistant pile 4 through the free section; anchor cables 9 are embedded in the stepped holes 7 and cement mortar is filled in the stepped holes.
The water mortar firmly bonds the rock and the anchor cable 9, the contact surface is fully enlarged, and the pulling resistance of the anchor cable 9 is greatly increased.
The utility model discloses set up the shoulder hole of integrated into one piece processing on ground is domatic, adopt to enlarge the drill bit and creep into processing. When the enlarged drill bit drills a straight hole with a certain depth, the operation data and the action instructions of the drilling equipment are changed, the enlarged drill bit starts to be opened to enlarge the drilled hole, an enlarged stepped hole structure is gradually obtained in the drilling process, after the stepped hole is in place, the drill bit returns to the original position, and the drill bit is withdrawn from the original straight hole. Then, the anchor cable 9 is placed downwards and installed, and cement mortar is poured to obtain the anchor cable cement mortar which is solidified and held. Finally, the reinforced structure in the rock soil slope is an anchor cable fixing stepped structure with a large inside and a small outside, and the pulling and carrying area of the construction pulling and carrying structure and the rock soil slope is increased, so that slope protection facilities can be more stable. As shown in the attached drawings 1-2, in the drilling situation, a reinforced concrete slide-resistant pile 4 is vertically cast on a rock slope surface 2, and an anchor cable construction hole site 6 is reserved on the right side of the reinforced concrete slide-resistant pile 4. And (3) erecting a guide pipe on the reinforced concrete slide-resistant pile 4 in advance to plug the opening, taking down the inclined guide pipe after the reinforced concrete slide-resistant pile 4 is formed to obtain a reserved drill hole, and drilling by adopting drilling equipment. As shown in fig. 3, the drilling equipment 3 with a hole expanding function is installed at the end of the drilling arm 5 of the drilling equipment, the drilling arm 5 drills holes corresponding to the reserved holes of the reinforced concrete slide-resistant pile 4, when the drilling equipment drills a certain depth, the hydraulic mechanism or the mechanical system is operated to open the drilling equipment 3, the diameter of the drilled hole is enlarged, and the stepped hole 7 is obtained by drilling continuously. When the drill bit is recovered, the drill bit is firstly contracted to recover, the drill bit is withdrawn from the original straight hole, the anchor cable 9 below the drill bit is poured after the empty hole is cleaned, cement mortar is poured, and the reinforced concrete slide-resistant pile 4 is stabilized by utilizing the stepped pulling load structure.
Further, the drilling device 3 is a hydraulic expansion drill or a mechanical spring expansion drill, and has a four-notch structure, and the right end of the expansion drill is connected to the drilling arm 5. The mechanical spring is adopted to enlarge the drill bit, the head of the mechanical spring enlarged drill bit is provided with four drill bit edges, and during drilling, four notches are formed for reaming.
Furthermore, an inclined hole corresponding to the right part of the stepped hole 7 is formed in the reinforced concrete slide-resistant pile 4, and the right end of the anchor cable 9 is located in the inclined hole of the reinforced concrete slide-resistant pile 4. The inclined hole is reserved by adopting a supporting die, so that the drilling arm 5 can conveniently stretch into the inclined hole.
Furthermore, a masonry facility 8 is arranged on the anchor cable construction hole site 6, the masonry facility 8 is attached to the right side surface of the reinforced concrete slide-resistant pile 4 and covers an inclined hole formed in the reinforced concrete slide-resistant pile 4.
Further, the stepped hole 7 is composed of a straight hole and a stepped blind hole, the straight hole is positioned at the right side, and the length of the straight hole is 10000-15000 mm; the stepped blind hole is positioned on the left side, and the length of the stepped blind hole is 6000-10000 mm. In order to achieve proper construction strength and meet a certain pulling load distance, the stepped hole 7 consists of a straight hole and a stepped blind hole, the straight hole is positioned on the right side, and the length of the straight hole is 12000 mm; the ladder blind hole is located the left side, and its length is 8000 mm. The specific length of the straight hole and the stepped blind hole can be determined according to geological conditions.
Further, the diameter of the straight hole is 100-200 mm. In order to achieve proper construction strength and meet a certain pulling and loading distance, the diameter of the straight hole is 150 mm.
Further, the diameter of the stepped blind hole is 350-550 mm. In order to achieve proper construction strength and meet a certain pulling and loading distance, the diameter of the stepped blind hole is 400 mm.
The foregoing is a preferred embodiment of the present invention, and it should be understood that those skilled in the art can derive the related technical solutions through logic analysis, reasoning or experiment based on the present invention without creative efforts, and therefore, these related technical solutions should be within the protection scope of the present claims.
Claims (7)
1. The utility model provides an enlarged footing anchor rope fixing device, includes rubble layer (1) and the domatic (2) of ground, its characterized in that: a reinforced concrete slide-resistant pile (4) is vertically arranged on the rock-soil slope (2), and an anchor cable construction hole site (6) is reserved on the reinforced concrete slide-resistant pile (4); the device is characterized by further comprising a stepped hole (7) drilled by the drilling equipment (3), wherein the stepped hole (7) is obliquely arranged in the rock-soil slope (2), the stepped hole (7) comprises an anchoring section and a free section, the anchoring section is located on the complete rock-soil surface, and the free section is connected with the reinforced concrete slide-resistant pile (4); anchor cables (9) are embedded in the stepped holes (7) and cement mortar is filled in the stepped holes.
2. The enlarged head anchor cable fixing device according to claim 1, wherein: the drilling equipment (3) is a hydraulic expanding drill bit or a mechanical spring expanding drill bit and is provided with a four-notch structure, and the right end of the expanding drill bit is connected to the drilling arm (5).
3. The enlarged head anchor cable fixing device according to claim 2, wherein: the reinforced concrete slide-resistant pile (4) is provided with an inclined hole corresponding to the right part of the stepped hole (7), and the right end of the anchor cable (9) is positioned in the inclined hole of the reinforced concrete slide-resistant pile (4).
4. The enlarged head anchor cable fixing device according to claim 3, wherein: and a masonry facility (8) is arranged on the anchor cable construction hole site (6), the masonry facility (8) is attached to the right side surface of the reinforced concrete slide-resistant pile (4) and covers an inclined hole formed in the reinforced concrete slide-resistant pile (4).
5. The enlarged head anchor cable fixing device according to claim 4, wherein: the stepped hole (7) consists of a straight hole and a stepped blind hole, the straight hole is positioned at the right side, and the length of the straight hole is 10000-; the stepped blind hole is positioned on the left side, and the length of the stepped blind hole is 6000-10000 mm.
6. The enlarged head anchor cable fixation device of claim 5, wherein: the diameter of the straight hole is 100-200 mm.
7. The enlarged head anchor cable fixation device of claim 6, wherein: the diameter of the stepped blind hole is 350-550 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021180731.6U CN212865927U (en) | 2020-06-23 | 2020-06-23 | Enlarged footing anchor rope fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021180731.6U CN212865927U (en) | 2020-06-23 | 2020-06-23 | Enlarged footing anchor rope fixing device |
Publications (1)
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CN212865927U true CN212865927U (en) | 2021-04-02 |
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CN202021180731.6U Active CN212865927U (en) | 2020-06-23 | 2020-06-23 | Enlarged footing anchor rope fixing device |
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2020
- 2020-06-23 CN CN202021180731.6U patent/CN212865927U/en active Active
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