CN212270925U - Split type centering support - Google Patents
Split type centering support Download PDFInfo
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- CN212270925U CN212270925U CN202020249530.0U CN202020249530U CN212270925U CN 212270925 U CN212270925 U CN 212270925U CN 202020249530 U CN202020249530 U CN 202020249530U CN 212270925 U CN212270925 U CN 212270925U
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- centering
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- lower half
- bracket
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Abstract
The utility model relates to a geotechnical engineering anchor rope construction field, in particular to split type centering support. A split type centering bracket comprises a lower half part of the centering bracket with a butt joint tenon and an upper half part of the centering bracket with a butt joint mortise-tenon joint (4), wherein the lower half part of the centering bracket and the upper half part (1) of the centering bracket are uniformly provided with a plurality of steel strand grooves in the circumferential direction; circumferential grooves are formed in the thickness direction of the edges of the rings of the lower half part of the centering support and the upper half part of the centering support; the lower half part of the centering bracket or the upper half part of the centering bracket is provided with a chordwise groove; the circumferential direction outer sides of the circumferential grooves and the chord direction grooves are provided with buckles, and the buckles are connected with the buckle joints. The utility model provides a simple structure, easy operation, the split type centering support of the synchronous advance and retreat of reliable degree height, steel strand wires carry out split type well support mounting when the drilling rod carries steel strand wires to creep into in step.
Description
Technical Field
The utility model relates to a geotechnical engineering anchor rope construction field, in particular to split type centering support.
Background
In the construction process of the anchor cable for geotechnical engineering construction, a centering bracket needs to be arranged among a plurality of bundles of steel strands to separate the steel strands. The effect of centering support is huge, can effectively avoid the intertwine between the steel strand wires, guarantee steel strand wires protective layer thickness, guarantee steel strand wires axial to bear the pulling force. The existing centering support is installed on the ground, a steel strand bundle is arranged in the middle of the centering support, and the steel strands are uniformly distributed in reserved holes on the periphery of the centering support. After the anchor cable is formed into a hole, the steel strand, the centering support, the grouting pipe and the like are inserted together, and then grouting is performed to complete anchor cable construction. However, when some drill rod bits are used for carrying the steel strand synchronous drilling process, the common centering support cannot be installed, and cannot be inserted after hole forming. Therefore, the centering bracket suitable for the synchronous drilling process of the drill rod and the strip steel stranded wire has practical significance.
SUMMERY OF THE UTILITY MODEL
Utility model purpose:
in order to solve the problem, the utility model provides a simple structure, easy operation, the split type centering support of the synchronous advance and retreat of reliable degree height, steel strand wires carry out the split type well support mounting when the drilling rod carries steel strand wires to creep into in step.
The technical scheme is as follows:
the utility model discloses a realize through following technical scheme:
a split type centering bracket comprises a lower half part of a centering bracket with a butt joint tenon and an upper half part of the centering bracket with a butt joint mortise and tenon, wherein the lower half part of the centering bracket and the upper half part of the centering bracket are uniformly provided with a plurality of steel strand grooves in the circumferential direction; circumferential grooves are formed in the thickness direction of the edges of the rings of the lower half part of the centering support and the upper half part of the centering support; the lower half part of the centering bracket or the upper half part of the centering bracket is provided with a chordwise groove; the circumferential direction outer sides of the circumferential grooves and the chord direction grooves are provided with buckles, and the buckles are connected with the buckle joints.
Furthermore, a plurality of steel strand grooves are uniformly formed in the circumferential outer side of the upper half part of the centering support which is integrally semicircular, and the semicircle on the circumferential inner side of the upper half part of the centering support corresponds to the semicircle structure in the lower half part of the centering support; the radial outer side of the upper half part of the centering bracket is provided with an annular groove; the middle of the upper half part of the centering bracket is provided with a chordwise groove; and the two ends of the semicircle of the upper half part of the centering bracket are provided with butt-joint concave-mortise joints.
Furthermore, a plurality of steel strand grooves are uniformly formed in the circumferential outer side of the lower half part of the centering support, circumferential grooves are formed in the radial outer side of the lower half part of the centering support, and chordwise grooves are formed in the middle of the lower half part of the centering support; and two ends of the semicircular structure of the lower half part of the centering bracket are provided with butt joint tenons.
Furthermore, the sizes of the cross sections of the butt-joint tenon and the butt-joint mortise are matched with each other, and the butt-joint tenon is inserted into the butt-joint mortise to connect the upper half part of the centering support with the lower half part of the centering support.
Further, the buckle connects the lower half part of the centering bracket and the upper half part of the centering bracket along the circumferential groove and the chord direction groove; the buckle connects the upper half part of the centering bracket or the lower half part of the centering bracket through a buckle joint; the snap joint is placed in the chord-wise groove of the upper half part or the lower half part of the centering bracket.
Furthermore, the steel strand is placed in the steel strand groove, and after the steel strand groove is placed, gaps among the steel strand groove, the steel strand and the buckle are filled through the filler.
The advantages and effects are as follows:
the utility model has the advantages of as follows and beneficial effect:
1. the structure is simple, and the cost is low;
2. the field operation is simple and quick, and the reliability is high;
3. the steel strands can be completely separated, and the steel strands can advance and retreat synchronously.
Drawings
FIG. 1 is a split type schematic view of the upper and lower halves of a centering bracket according to the present invention;
FIG. 2 is a top and bottom half-sectional view of the centering bracket according to the present invention;
FIG. 3 is a schematic view of the split centering bracket of the present invention fully installed;
FIG. 4 is a schematic cross-sectional view of a chordwise groove of the invention;
FIG. 5 is a schematic cross-sectional view of a circumferential groove of the present invention.
Description of reference numerals:
1. the upper half part of the centering bracket; 2. the lower half part of the centering bracket; 3. butting the tenons; 4. tightly aligning the concave-convex rivets; 5. a steel strand groove; 6. a circumferential groove; 7. a chord-wise groove; 8. steel strand wires; 9. a plug; 10. buckling; 11, a snap joint; 12. and (5) drilling a rod.
Detailed Description
A split type centering bracket comprises a centering bracket lower half part 2 with a butt joint tenon 3 and a centering bracket upper half part 1 with a butt joint mortise 4 which are spliced and connected, wherein a plurality of steel strand grooves 5 are uniformly arranged in the circumferential direction of the centering bracket lower half part 2 and the centering bracket upper half part 1; circumferential grooves 6 are formed in the thickness direction of the circular edges of the lower half part 2 and the upper half part 1 of the centering bracket; the middle half part 2 of the centering bracket or the middle half part 1 of the centering bracket is provided with a chordwise groove 7; the circumferential groove 6 and the chord direction groove 7 are circumferentially provided with a buckle 10, and the buckle 10 is connected with a buckle joint 11.
As shown in fig. 1, 2 and 3, the split type centering bracket is composed of a centering bracket lower half part 2 and a centering bracket upper half part 1, and the two connected ends of the centering bracket lower half part 2 and the centering bracket upper half part 1 are respectively provided with a butt joint tenon 3 and a butt joint mortise 4; the accurate butt joint of the lower half part 2 of the centering support and the upper half part 1 of the centering support is guaranteed through the butt joint tenon 3 and the butt joint mortise 4, meanwhile, the lower half part 2 of the centering support and the upper half part 1 of the centering support are further connected with the lower half part 2 of the centering support and the upper half part 1 of the centering support through the arranged buckles, and the connection of the lower half part 2 of the centering support, the upper half part 1 of the centering support and the steel strand 8 is guaranteed. The utility model discloses simple structure, field operation is simple swift.
A plurality of steel strand grooves 5 are uniformly arranged on the circumferential outer side of the upper half part 1 of the centering support which is in a semicircular ring shape integrally, and the semicircle on the circumferential inner side of the upper half part 1 of the centering support corresponds to the semicircle structure in the lower half part 2 of the centering support; the radial outer side of the upper half part 1 of the centering bracket is provided with an annular groove 6; the middle of the upper half part 1 of the centering bracket is provided with a chord-direction groove 7; and two ends of the semicircle of the upper half part 1 of the centering bracket are provided with butt-joint female rivets 4.
As shown in fig. 4 and 5, the circumferential groove 6 is disposed on the axial outer side of the upper half portion 1 and the lower half portion 2 of the centering bracket along the thickness direction, and the groove depth of the circumferential groove 6 is greater than the thickness of the buckle in order to ensure that the buckle can be stabilized in the circumferential groove 6. Due to the placement of the snap fit within the chordwise groove 7, the depth of the chordwise groove 7 should be greater than the thickness of the snap fit.
The optimal setting position of the chord-direction groove 7 is the outer side of the semicircular structure at the farthest distance from the center of the whole centering support, namely the middle position of the semicircular structure of the upper half part 1 or the lower half part 2 of the centering support, the optimal setting position is arranged among the plurality of steel strand grooves 5, and the optimal setting position is preferably not arranged at the connecting position close to the upper half part 1 or the lower half part 2 of the centering support, so that the buckle is favorably fixed.
As shown in fig. 1, 2, and 3, the plurality of steel strand grooves 5 are generally provided, and two steel strand grooves 5 are preferably provided above and below the steel strand grooves. And the chord-wise groove 7 is arranged between the two steel strand grooves 5 of the upper half part 1 or the lower half part 2 of the centering bracket.
A plurality of steel strand grooves 5 are uniformly formed in the circumferential outer side of the lower half part 2 of the centering support, a circumferential groove 6 is formed in the radial outer side of the lower half part 2 of the centering support, and a chord groove 7 is formed in the middle of the lower half part 2 of the centering support; and two ends of the semicircular structure of the lower half part 2 of the centering bracket are provided with butt joint tenons 3.
The sizes of the cross sections of the butt-joint tenon 3 and the butt-joint mortise 4 are matched with each other, and the butt-joint tenon 3 is inserted into the butt-joint mortise 4 to connect the upper half part 1 of the centering bracket with the lower half part 2 of the centering bracket.
As shown in fig. 3, the butt tenon 3 and the butt mortise 4 are used for aligning the upper half part 1 of the centering bracket and the lower half part 2 of the centering bracket, placing the semicircular structure for connection dislocation, and simultaneously being matched with the buckle to stably connect the centering bracket with the steel strand 8.
The buckle 10 connects the lower half part 2 of the centering bracket with the upper half part 1 of the centering bracket along the circumferential groove 6 and the chord direction groove 7; the buckle 10 connects the upper half part 1 of the centering bracket or the lower half part 2 of the centering bracket through a buckle joint 11; the snap joint 11 is placed in the chord-wise groove 7 of the centering bracket upper half 1 or the centering bracket lower half 2.
The buckle structure comprises buckle joint and buckle, and the buckle structure is current buckle, and the buckle structure that adopts plastics material or metal material can, for example from locking-type nylon ribbon, metal clamp commonly used, and the effect of buckle structure is in order to guarantee that centering support and steel strand wires 8 are connected.
The steel strand 8 is placed in the steel strand groove 5, and after the steel strand groove 5, the steel strand 8 and the buckle 10 are filled in the gap through the filler 9.
The wadding 9 is a conventional compressible foam, primarily to ensure that the voids are filled.
The embodiment is the application of the split type centering bracket in the anchor cable construction of the drill rod drill bit and strip stranded wire synchronous drilling process, and is only one part of the split type centering bracket obtained by the invention.
Example 1
A split type centering bracket comprises a centering bracket lower half part 2 with a butt joint tenon 3 and a centering bracket upper half part 1 with a butt joint mortise 4 which are spliced and connected, wherein two steel strand grooves 5 are respectively arranged on the circumference of the centering bracket lower half part 2 and the centering bracket upper half part 1; circumferential grooves 6 are formed in the thickness direction of the circular edges of the lower half part 2 and the upper half part 1 of the centering bracket; a chord-direction groove 7 is arranged on the upper half part 1 of the centering bracket; the circumferential groove 6 and the chord direction groove 7 are circumferentially provided with a buckle 10, and the buckle 10 is connected with a buckle joint 11; the snap joint 11 is placed in the chordwise groove 7.
Example 2
As shown in fig. 1, 2 and 3, a split type centering bracket comprises a centering bracket lower half part 2 with a butt joint tenon 3 and a centering bracket upper half part 1 with a butt joint mortise 4 which are spliced, wherein two steel strand grooves 5 are respectively arranged on the circumference of the centering bracket lower half part 2 and the centering bracket upper half part 1; circumferential grooves 6 are formed in the thickness direction of the circular edges of the lower half part 2 and the upper half part 1 of the centering bracket; the middle positions of the lower half part 2 of the centering bracket and the upper half part 1 of the centering bracket are respectively provided with a chordwise groove 7; the circumferential groove 6 and the chord direction groove 7 are circumferentially provided with a buckle 10, the buckle 10 is connected with a buckle joint 11, and the buckle joint can be placed in the chord direction groove 7 of the lower half part 2 or the upper half part 1 of the centering support.
A plurality of steel strand grooves 5 are uniformly arranged on the circumferential outer side of the upper half part 1 of the centering support which is in a semicircular ring shape integrally, and the semicircle on the circumferential inner side of the upper half part 1 of the centering support corresponds to the semicircle structure in the lower half part 2 of the centering support; the radial outer side of the upper half part 1 of the centering bracket is provided with an annular groove 6; the middle of the upper half part 1 of the centering bracket is provided with a chord-direction groove 7; and two ends of the semicircle of the upper half part 1 of the centering bracket are provided with butt-joint female rivets 4.
Two steel strand grooves 5 are formed in the circumferential outer side of the lower half portion 2 of the centering support, a circumferential groove 6 is formed in the radial outer side of the lower half portion 2 of the centering support, and a chord groove 7 is formed in the middle of the lower half portion 2 of the centering support; and two ends of the semicircular structure of the lower half part 2 of the centering bracket are provided with butt joint tenons 3.
The sizes of the butt-joint tenon 3 and the butt-joint mortise and tenon 4 are matched with each other, that is to say, the butt-joint tenon 3 can be inserted into the butt-joint mortise and tenon 4, and the butt-joint tenon 3 is inserted into the butt-joint mortise and tenon 4 to connect the upper half part 1 of the centering bracket with the lower half part 2 of the centering bracket.
The sizes of the cross sections of the butt-joint tenon 2 and the butt-joint mortise 4 are matched with each other, so that the socket joint connection gap is ensured to be small. Generally, the butt-joint tenon 3 is of a cuboid structure, and the butt-joint mortise and tenon 4 is of a cuboid groove, so that the butt-joint tenon 3 can be inserted into the groove. Other shapes, such as semi-circular, triangular, etc., may also be used.
As shown in fig. 4 and 5, the buckle 10 connects the lower centering bracket half 2 and the upper centering bracket half 1 along the circumferential groove 6 and the chordwise groove 7; the buckle 10 connects the upper half part 1 of the centering bracket or the lower half part 2 of the centering bracket through a buckle joint 11; the snap joint 11 is placed in the chord-wise groove 7 of the centering bracket upper half 1 or the centering bracket lower half 2. The steel strand 8 is placed in the steel strand groove 5, and after the steel strand groove 5, the steel strand 8 and the buckle 10 are filled in the gap through the filler 9.
The utility model discloses centering support concrete operation method:
when the anchor cable is constructed by adopting a drill rod drill bit and a synchronous drilling process with the steel strand 8, one end of the steel strand 8 is fixed on a non-rotating wing plate of the drill bit, the other end of the steel strand is dragged on the ground, an anchor cable drilling machine drives the drill rod and the drill bit to rotate and advance, and the steel strand 8 enters the hole along with the drill rod. The drill rod rotates at high speed, and the steel strand 8 falls to the bottom of the hole and does not rotate. The centering support needs to be sleeved on the outer side of the drill rod and is tightly connected with the steel strand 8, and the centering support and the drill rod are pushed into the hole together.
Before the split centering support is used, the upper part and the lower part of the split centering support are checked firstly, trial assembly is carried out, the butt joint tenon 3 and the butt joint mortise 4 can be tightly attached together, and the upper part and the lower part of the centering support can be assembled into a regular circular ring to be continuously used.
After a drill rod drill bit carries the steel strand to drill into the soil layer for a certain distance, the surface of the drill rod and the surface of the steel strand at the corresponding position are cleaned. The upper half part 1 of the centering support and the lower half part 2 of the centering support are aligned, and the butt-joint tenon 3 is pressed into the butt-joint mortise 4 by force, so that the assembly of the main body structure of the split type centering support is completed.
And then pressing the steel strands 8 into the steel strand grooves 5 respectively, and filling gaps between the steel strand grooves 5 and the steel strands 8 by using filling materials. The plug filler can be a compressible foam object, and the split type centering bracket and the steel strand can be tightly attached together through the plug filler. Finally, the buckle 10 is placed in the annular groove 6 formed around the annular body formed by assembling the split centering support, and the buckle joint 11 is placed in the chord-direction groove 7.
The buckle is tensioned by a special tool, so that the buckle 10 is completely attached to the side wall of the annular groove 6 and the chord direction groove 7, and the redundant part of the buckle is cut off. So can firmly fix steel strand wires 8 on split type centering support, realize split type centering support's use and installation. And after the drill rod drives the steel strand and the centering support to enter the drill hole, continuously installing the next centering support, and repeating the process.
Claims (6)
1. A split type centering support which characterized in that: the lower half part (2) of the centering support with a butt joint tenon (3) and the upper half part (1) of the centering support with a butt joint mortise-tenon joint (4) are spliced and connected, and a plurality of steel strand grooves (5) are uniformly arranged on the lower half part (2) of the centering support and the upper half part (1) of the centering support in the circumferential direction; circumferential grooves (6) are formed in the thickness direction of the circumferential edges of the lower half part (2) and the upper half part (1) of the centering bracket; the lower half part (2) of the centering support or the upper half part (1) of the centering support is provided with a chordwise groove (7); the circumferential groove (6) and the chord direction groove (7) are circumferentially provided with a buckle (10), and the buckle (10) is connected with a buckle joint (11).
2. The split centering bracket of claim 1, wherein: a plurality of steel strand grooves (5) are uniformly formed in the circumferential outer side of the upper half part (1) of the centering support which is integrally semicircular, and the semicircle on the circumferential inner side of the upper half part (1) of the centering support corresponds to the semicircle structure in the lower half part (2) of the centering support; the radial outer side of the upper half part (1) of the centering bracket is provided with a circumferential groove (6); the middle of the upper half part (1) of the centering bracket is provided with a chordwise groove (7); the two ends of the semicircle of the upper half part (1) of the centering bracket are provided with butt-joint concave-mortise joints (4).
3. The split centering bracket of claim 1, wherein: a plurality of steel strand grooves (5) are uniformly formed in the circumferential outer side of the lower half part (2) of the centering support, circumferential grooves (6) are formed in the radial outer side of the lower half part (2) of the centering support, and chordwise grooves (7) are formed in the middle of the lower half part (2) of the centering support; and two ends of the semicircular structure of the lower half part (2) of the centering bracket are provided with butt joint tenons (3).
4. The split centering bracket of claim 1, wherein: the sizes of the cross sections of the butt-joint tenon (3) and the butt-joint mortise (4) are matched with each other, and the butt-joint tenon (3) is inserted into the butt-joint mortise (4) to connect the upper half part (1) of the centering bracket with the lower half part (2) of the centering bracket.
5. The split centering bracket of claim 1, wherein: the buckle (10) connects the lower half part (2) of the centering bracket with the upper half part (1) of the centering bracket along the circumferential groove (6) and the chord direction groove (7); the buckle (10) connects the upper half part (1) of the centering bracket or the lower half part (2) of the centering bracket through a buckle joint (11); the snap joint (11) is placed in the chord-wise groove (7) of the upper half part (1) or the lower half part (2) of the centering bracket.
6. The split centering bracket of claim 1, wherein: the steel strand (8) is placed in the steel strand groove (5), and after the steel strand groove (5), gaps among the steel strand (8) and the buckle (10) are filled through the filler (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249530.0U CN212270925U (en) | 2020-03-04 | 2020-03-04 | Split type centering support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249530.0U CN212270925U (en) | 2020-03-04 | 2020-03-04 | Split type centering support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212270925U true CN212270925U (en) | 2021-01-01 |
Family
ID=73874867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020249530.0U Active CN212270925U (en) | 2020-03-04 | 2020-03-04 | Split type centering support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212270925U (en) |
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2020
- 2020-03-04 CN CN202020249530.0U patent/CN212270925U/en active Active
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