CN215482931U - Prestressed anchorage cable perforation construction guide structure - Google Patents

Prestressed anchorage cable perforation construction guide structure Download PDF

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Publication number
CN215482931U
CN215482931U CN202121585204.8U CN202121585204U CN215482931U CN 215482931 U CN215482931 U CN 215482931U CN 202121585204 U CN202121585204 U CN 202121585204U CN 215482931 U CN215482931 U CN 215482931U
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China
Prior art keywords
guide
guide cone
cone
anchor cable
fixing block
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CN202121585204.8U
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Chinese (zh)
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黄金坤
程攀
陈成
段涛
李化彪
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
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Abstract

The utility model discloses a prestressed anchor cable perforation construction guide structure, which comprises a guide cone head at the front part and a plurality of guide cones at the rear part; a guide cone fixing block is arranged between two adjacent guide cones; under the state that the guide structure is assembled, the guide conical head, the guide cone and the guide cone fixing block are connected to form a cone of the guide structure; the anchor cable is fixedly connected to the bottom end face of the guide cone through a threaded connection structure. By adopting the technical scheme, the guide cone and the guide cone head are fixedly connected by utilizing the arc-shaped gasket and the connecting screw, the connecting mode is simple, and the installation process is clear; through the mode of mechanical connection, the defect of welded connection between the traditional guide cap and the anchor cable is effectively overcome, the stable stress of the anchor cable is ensured, and the service life of the anchor cable is greatly prolonged.

Description

Prestressed anchorage cable perforation construction guide structure
Technical Field
The utility model belongs to the technical field of geotechnical engineering construction. More particularly, the present invention relates to a combined prestressed anchor cable piercing guide structure which is easy to connect and convenient to construct.
Background
The prestressed anchor cable is mainly applied to the technical field of geotechnical engineering anchoring, and the main structure of the prestressed anchor cable comprises components such as a steel strand, a clamping piece, an anchor plate, a steel base plate, a grouting pipe, an isolation frame, a guide cap and the like. The prestressed anchor cable entry is one of the key links in the construction process, and especially when the hole depth is deep, if a guide structure is not arranged at the end of the anchor cable, the situation of irregular hole wall usually leads to the anchor cable being blocked or the rod body being scattered. After the anchor cable adopts the guide structure, the construction conditions of the anchor cable entering holes and the anchor cable passing through the holes can be greatly improved, the success rate of the entering holes and the operation efficiency are improved, and the construction quality of anchor cable perforation is improved.
At present, the traditional anchor cable guide structure is formed by rolling a thin steel plate into a cylinder with a conical head, and when the anchor cable guide structure with the structure is used, a welding machine is needed to weld steel strands in the anchor cable guide structure. However, during the welding process, the mechanical properties and service life of the anchor cable are affected after the anchor cable is heated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prestressed anchor cable perforation construction guide structure, and aims to connect an anchor cable and the guide structure in a mechanical connection mode and avoid adverse effects of welding.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the prestressed anchor cable perforation construction guide structure is conical in shape and comprises a guide cone head at the front part and a plurality of guide cones at the rear part, wherein the guide cones are uniformly distributed in the circumferential direction of the conical axis of the conical guide structure; a guide cone fixing block is arranged between two adjacent guide cones; the guide cone fixing block and the guide cone head are integrated and extend towards the rear end of the guide cone head; under the state that the guide structure is assembled, the guide cone head, the guide cone and the guide cone fixing block are connected to form a cone of the guide structure, a conical hole is formed in the cone, the conical hole is the same as the conical taper direction of the outer surface of the guide structure, and the axis of the conical hole is overlapped; the anchor cable is fixedly connected to the bottom end face of the guide cone through a threaded connection structure.
The number of the guide cones is three; correspondingly, the number of the guide cone fixing blocks is three.
The guide cone is connected with the guide cone fixing block through an arc gasket: the arc-shaped gasket is connected with one guide cone fixing block and two adjacent guide cones; the arc-shaped gasket is provided with three gasket connecting holes; a fixing block connecting screw hole is formed in the bottom end face of the guide cone fixing block; one end of the bottom end face of the guide cone, which is close to the guide cone fixing block, is provided with a guide cone connecting screw hole; and the arc-shaped gasket is tightly connected with the guide cone and the guide cone fixing block through the gasket fastening screws which are respectively in threaded fit with the fixing block connecting screw holes and the guide cone connecting screw holes.
A connecting sleeve perpendicular to the bottom end surface is arranged in the middle of the bottom end surface of the guide cone, an anchor cable connecting screw hole is formed in an inner hole of the connecting sleeve, and the anchor cable connecting screw hole is matched with a thread at the end part of an anchor cable; one end of the connecting sleeve is fixedly connected to the bottom end face of the guide cone.
The front end face of the guide cone, which is contacted with the guide cone head, is an inclined plane, and the included angle between the inclined plane and the axis of the conical rear end of the guide structure is less than 90 degrees.
The cross section of the guide cone is in a sector shape, namely, on the cross section of the guide cone, the length of an arc line at the inner part of the sector shape is smaller than that of an arc line at the outer part.
By adopting the technical scheme, the guide cone and the guide cone head are fixedly connected by utilizing the arc-shaped gasket and the connecting screw, the connecting mode is simple, and the installation process is clear; through the mode of mechanical connection, the defect of welded connection between the traditional guide cap and the anchor cable is effectively overcome, the stable stress of the anchor cable is ensured, and the service life of the anchor cable is greatly prolonged.
Drawings
The contents of the drawings and the reference numbers in the drawings are briefly described as follows:
FIG. 1 is a schematic diagram of a combined type prestressed anchorage cable guide cap according to the present invention;
FIG. 2 is a schematic view of the guide cone structure of FIG. 1;
FIG. 3 is a schematic view of the structure of the guide cone head and the guide cone fixing block in FIG. 1;
FIG. 4 is a cross-sectional view of the combination surface of the guide cone and the guide cone head;
fig. 5 is a schematic view of the arc-shaped gasket of fig. 1.
The labels in the figure are:
1. the guide cone is 11, the guide cone is connected with screw holes, 12, a connecting sleeve is 13, anchor cable connecting screw holes, 2, a guide cone head is 3, an arc-shaped gasket is 31, a gasket connecting hole is 4, a gasket fastening screw is 5, a guide cone fixing block is 51, and the fixing block is connected with the screw holes.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.
The structure of the present invention as shown in fig. 1 to 5 is a prestressed anchor cable perforation construction guiding structure, which is shaped like a cone and is used for performing perforation operation on an anchor cable in building construction to play a guiding role.
In order to achieve the purpose of overcoming the influence of the prior art and overcoming the defects thereof, the utility model adopts the technical scheme as shown in figure 1:
the utility model relates to a prestressed anchor cable perforation construction guide structure, which comprises a guide cone head 2 at the front part and a plurality of guide cones 1 at the rear part, wherein the guide cones 1 are uniformly distributed in the circumferential direction of the conical axis of a conical guide structure; a guide cone fixing block 5 is arranged between two adjacent guide cones 1; the guide cone fixing block 5 and the guide cone head 2 are integrated and extend towards the rear end of the guide cone head 2; under the state that the guide structure is assembled, the guide cone head 2, the guide cone 1 and the guide cone fixing block 5 are connected to form a cone of the guide structure, a conical hole is formed in the cone, the conical hole is the same as the conical taper direction of the outer surface of the guide structure, and the axis of the conical hole is overlapped; the anchor cable is fixedly connected to the bottom end face of the guide cone 1 through a threaded connection structure.
During installation:
installing the guide cone head 2 and the guide cone 1 from front to back, so that the guide cone fixing block 5 at the back of the guide cone head 2 is just inserted into a gap between the fixed guide cones 1, and the guide cone 1 and the guide cone head 2 are assembled into a whole; the guide cone fixing block 5 is fixed at the rear part of the guide cone head 2 and is annularly arranged.
The technical scheme has the advantages of simple connection mode, good guiding performance and clear installation process; through the mode of mechanical connection, the defect of welded connection between the traditional guide cap and the anchor cable is effectively overcome, the stable stress of the anchor cable is ensured, and the service life of the anchor cable is greatly prolonged.
As shown in fig. 1 and 3:
the number of the guide cones 1 is three; correspondingly, the number of the guide cone fixing blocks 5 is also three.
The guide cones 1 and the guide cone fixing blocks 5 on the guide cone heads 2 are correspondingly arranged in equal quantity according to the number of the anchor cables required to be designed.
As shown in fig. 2, 3 and 5:
the guide cone 1 is connected with the guide cone fixing block 5 through an arc-shaped gasket 3: the arc-shaped gasket 3 is connected with a guide cone fixing block 5 and two adjacent guide cones 1; the arc-shaped gasket 3 is provided with three gasket connecting holes 31; a fixing block connecting screw hole 51 is arranged on the bottom end face of the guide cone fixing block 5; a guide cone connecting screw hole 11 is formed in one end, close to the guide cone fixing block 5, of the bottom end face of the guide cone 1; the arc-shaped gasket 3 is tightly connected with the guide cone 1 and the guide cone fixing block 5 through the gasket fastening screw 4 which is respectively in threaded fit with the fixing block connecting screw hole 51 and the guide cone connecting screw hole 11.
The arc direction of the arc gasket 3 is consistent with the arc direction of the bottom end face of the guide cone 1 and the bottom end face of the guide cone fixing block 5. The gasket connecting holes 31 are three and are uniformly arranged on the arc-shaped gasket 3. The guide cone connecting screw holes 11 are positioned at two sides of the end section of the tail of the guide cone 1; the fixing block connecting screw hole 51 is positioned in the middle of the tail end face of the guide cone fixing block 5; for coupling with the washer coupling hole 31 of the arc-shaped washer 3 and the washer fastening screw 4.
When the arc-shaped gasket 3 is placed at the tail end of the guide cone 1 and the tail end face of the guide cone fixing block 5 and is accurately positioned, the position of the gasket connecting hole 31 is just aligned with the positions of the fixing block connecting screw hole 51 and the guide cone connecting screw hole 11, and the gasket fastening screws 4 are screwed in respectively, so that the gasket fastening screws 4 can penetrate through the gasket connecting hole 31 to be screwed into the fixing block connecting screw hole 51 and the guide cone connecting screw hole 11 and are screwed tightly, and the splicing and fixing of the guide cone 1 and the guide cone head 2 are completed; and then the splicing and the installation of the combined prestressed anchor cable guide structure are completed.
According to the technical scheme, the guide cone and the guide cone head are fixedly connected by the arc-shaped gasket and the connecting screw, the connecting mode is simple, and the installation process is clear; through the mode of mechanical connection, the defect of welded connection between the traditional guide cap and the anchor cable is effectively overcome, the stable stress of the anchor cable is ensured, and the service life of the anchor cable is greatly prolonged.
As shown in fig. 2:
a connecting sleeve 12 perpendicular to the bottom end face is arranged in the middle of the bottom end face of the guide cone 1, an inner hole of the connecting sleeve 12 is an anchor cable connecting screw hole 13, and the anchor cable connecting screw hole 13 is matched with a thread at the end part of an anchor cable; one end of the connecting sleeve 12 is fixedly connected to the bottom end face of the guide cone 1.
The anchor cable connecting screw hole 13 on the connecting sleeve 12 is used for realizing the connection of the connecting sleeve 12 and the anchor cable rod body of the end turning thread and meeting the function of rotatably adjusting the angle and the position of the guide cone 1.
During installation:
threading the end of an anchor cable, connecting the end of the anchor cable into a connecting sleeve 12 at the tail part of the guide cone 1, connecting the end of the anchor cable with an anchor cable rod body of the end threading through the connecting sleeve 12, and adjusting the rotation angle of the cap body (1) of the guide cap through an anchor cable connecting screw hole 13 in the connecting sleeve 12;
the anchor cable connecting screw hole 13 of the connecting sleeve 12 is used for driving the guide cone 1 to rotate and adjusting the angle and the position of the guide cone 1; because the cross section of the guide cone 1 is arc-shaped, and the longitudinal section is in a column cone shape with a large upper part and a small lower part, a plurality of guide cone bodies 1 can form a structural form which is similar to the column cone shape and has a certain interval after the angle is adjusted.
As shown in fig. 4:
the front end face of the guide cone 1 contacted with the guide cone head 2 is an inclined plane, and the included angle between the inclined plane and the axis of the conical rear end of the guide structure is less than 90 degrees.
When the guide cone 1 is installed, the guide cone 1 is limited by the inclined plane and cannot be expanded outwards, and the integrity of the cone and the structural stability are ensured.
As shown in fig. 2:
the cross section of the guide cone 1 is in a sector shape, namely, on the cross section of the guide cone 1, the length of an arc line at the inner part of the sector shape is smaller than that of an arc line at the outer part.
The cross section of each guide cone 1 is arc-shaped, namely fan-shaped, the longitudinal section of each guide cone is a cylindrical cone with a large upper part and a small lower part, and after the guide cones rotate for a certain angle, a structural form similar to the cylindrical cone with a certain interval can be formed among the guide cones 1; the cross section of the guide cone fixing block 5 is arc-shaped, the longitudinal section of the guide cone fixing block is in a column cone shape with a small upper part and a large lower part, and the fixing block connecting screw hole 51 is located in the middle of the rear end face of the guide cone fixing block 5 and used for being connected with the gasket connecting hole 31 of the arc-shaped gasket 3 and the gasket fastening screw 4. Therefore, the guide cone fixing block 5 can be inserted from the bottom to the top from a structural space which is similar to a column cone and formed among the guide cones 1, and the assembly and the fixed connection of the guide cones 1 and the guide cone heads 2 are completed.
The guide cone 1 does not slide inwards either because of the limitation of the sector. Therefore, the front end of the guide cone 1 is limited by the inner direction and the outer direction, the side surface and the front end and the rear end, the position cannot be changed, the guide cone is stable, and a good fixed connection effect and a good guide effect are achieved.
The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims (6)

1. The utility model provides a prestressed anchorage cable perforation construction guide structure, guide structure's appearance be the cone, its characterized in that: the guide structure comprises a guide cone head (2) at the front part and a plurality of guide cones (1) at the rear part, wherein the guide cones (1) are uniformly distributed in the circumferential direction of the conical axis of the conical guide structure; a guide cone fixing block (5) is arranged between two adjacent guide cones (1); the guide cone fixing block (5) and the guide cone head (2) are integrated and extend towards the rear end of the guide cone head (2); under the state that the guide structure is assembled, the guide cone head (2), the guide cone body (1) and the guide cone body fixing block (5) are connected to form a cone body of the guide structure, a conical hole is formed in the cone body, the conical hole is the same as the conical taper direction of the outer surface of the guide structure, and the axes of the conical hole and the conical taper direction of the outer surface of the guide structure are overlapped; the anchor cable is fixedly connected to the bottom end face of the guide cone (1) through a threaded connection structure.
2. The prestressed anchor cable piercing construction guide structure of claim 1, wherein: the number of the guide cones (1) is three; correspondingly, the number of the guide cone fixing blocks (5) is three.
3. The prestressed anchor cable piercing construction guide structure of claim 1, wherein: the guide cone (1) is connected with the guide cone fixing block (5) through an arc-shaped gasket (3): the arc-shaped gasket (3) is connected with a guide cone fixing block (5) and two adjacent guide cones (1); the arc-shaped gasket (3) is provided with three gasket connecting holes (31); a fixing block connecting screw hole (51) is arranged on the bottom end face of the guide cone fixing block (5); a guide cone connecting screw hole (11) is formed in one end, close to the guide cone fixing block (5), of the bottom end face of the guide cone (1); the arc-shaped gasket (3) is tightly connected with the guide cone (1) and the guide cone fixing block (5) through the gasket fastening screw (4) in threaded fit with the fixing block connecting screw hole (51) and the guide cone connecting screw hole (11) respectively.
4. The prestressed anchor cable piercing construction guide structure of claim 1, wherein: a connecting sleeve (12) perpendicular to the bottom end face is arranged in the middle of the bottom end face of the guide cone (1), an inner hole of the connecting sleeve (12) is an anchor cable connecting screw hole (13), and the anchor cable connecting screw hole (13) is matched with the end part of an anchor cable in a threaded manner; one end of the connecting sleeve (12) is fixedly connected to the bottom end face of the guide cone (1).
5. The prestressed anchor cable piercing construction guide structure of claim 1, wherein: the front end face of the guide cone (1) contacted with the guide cone head (2) is an inclined plane, and the included angle between the inclined plane and the axis of the conical rear end of the guide structure is less than 90 degrees.
6. The prestressed anchor cable piercing construction guide structure of claim 1, wherein: the cross section of the guide cone (1) is in a sector shape, namely, on the cross section of the guide cone (1), the length of an arc line at the inner part of the sector shape is smaller than that of an arc line at the outer part.
CN202121585204.8U 2021-07-13 2021-07-13 Prestressed anchorage cable perforation construction guide structure Active CN215482931U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121585204.8U CN215482931U (en) 2021-07-13 2021-07-13 Prestressed anchorage cable perforation construction guide structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121585204.8U CN215482931U (en) 2021-07-13 2021-07-13 Prestressed anchorage cable perforation construction guide structure

Publications (1)

Publication Number Publication Date
CN215482931U true CN215482931U (en) 2022-01-11

Family

ID=79726223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121585204.8U Active CN215482931U (en) 2021-07-13 2021-07-13 Prestressed anchorage cable perforation construction guide structure

Country Status (1)

Country Link
CN (1) CN215482931U (en)

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