CN217949044U - Bottom-expanding anchor rod - Google Patents
Bottom-expanding anchor rod Download PDFInfo
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- CN217949044U CN217949044U CN202222211357.7U CN202222211357U CN217949044U CN 217949044 U CN217949044 U CN 217949044U CN 202222211357 U CN202222211357 U CN 202222211357U CN 217949044 U CN217949044 U CN 217949044U
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- expanding
- rod
- barrel
- plug
- rotating shaft
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Abstract
A bottom-out bolt comprising a drill rod (100) and a drilling element (200); the drill rod (100) comprises a barrel (110) and a plug (120); the drilling part (200) is telescopically and axially arranged on the barrel part (110) in a penetrating way; the bottom-expanding bolt comprises a spring (500) connected between the plug (120) and the drilling element (200); the bottom-expanding anchor rod also comprises a clamping tongue part (240) arranged at the top of the drilling piece (200); the drill rod (100) also comprises a buckling part (130) arranged at the bottom of the plug (120); the bottom-expanding anchor rod further comprises a plurality of bottom-expanding structures (300), and each bottom-expanding structure (300) comprises a bottom-expanding rod (320) rotatably mounted on the drilling member (200), a connecting rod (310) rotatably mounted on the barrel member (110), and a third rotating shaft (430) for hinging the bottom-expanding rod (320) and the connecting rod (310) together. The utility model discloses an it is fixed that the cooperation that expands end stock passes through clamping part and block tongue portion, keeps expanding the end structure and is in expansion state, realizes expanding the anchor of end stock.
Description
Technical Field
The utility model relates to a pile foundation technical field especially relates to an expand end stock.
Background
ZL201920033693.2 discloses a self-opening mechanical anchor rod, in this self-opening mechanical anchor rod, adopts the spring to make the blade keep open trend with its elasticity, and this kind of mode stability is not good, and the blade is easily receive the influence of soil layer change and draw in to influence the anchor effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above-mentioned technical problem, a expand end stock is proposed.
The utility model provides a following technical scheme:
the utility model provides a bottom expanding anchor rod, which comprises a drill rod and a drilling piece;
the drill rod comprises a barrel part and a plug fixedly arranged in the barrel part;
the drilling piece is telescopically and axially arranged on the barrel piece in a penetrating way; the bottom-expanding anchor rod comprises a spring which is accommodated in the barrel and is connected between the plug and the drilling element;
the bottom-expanding anchor rod also comprises a clamping tongue part arranged at the top of the drilling piece; the drill rod further comprises a buckling part which is arranged at the bottom of the plug and used for being matched and fixed with the clamping tongue part;
the bottom-enlarging anchor rod further comprises a plurality of bottom-enlarging structures, and each bottom-enlarging structure comprises a bottom-enlarging rod rotatably mounted on the drilling member through a first rotating shaft, a connecting rod rotatably mounted on the barrel member through a second rotating shaft, and a third rotating shaft for hinging the bottom-enlarging rod and the connecting rod together.
In the above-mentioned bottom-expanding anchor rod of the present invention, the plug includes a connecting portion directly and fixedly connected to the barrel and a first supporting portion axially formed at the bottom of the connecting portion;
the connecting part and the first supporting part form a circular step; the spring is sleeved on the first supporting part and is fixedly connected with the connecting part;
the buckling part is fixedly arranged at the bottom of the first supporting part.
In the above-mentioned bottom-expanding anchor rod of the present invention, the drilling member includes a first cylindrical portion and an anchor head mounted at the bottom of the first cylindrical portion;
a second supporting part is formed at the top of the first cylinder part; the clamping tongue part is arranged on the second supporting part;
the spring is also fixedly connected with the second supporting part.
In the above-mentioned bottom-expanding anchor rod of the present invention, a plurality of first protrusions are formed on the outer wall of the first cylindrical portion; the first bumps correspond to the bottom expanding structures one by one;
the bottom expanding rod of the bottom expanding structure is rotatably arranged on the corresponding first convex block through a first rotating shaft.
In the above-mentioned bottom-expanding anchor rod of the present invention, the tube member includes a second tube portion, and a plurality of second projections are formed on the outer wall of the second tube portion; the second bumps correspond to the bottom expanding structures one by one;
the connecting rod of the bottom expanding structure is rotatably arranged on the corresponding second lug through a second rotating shaft.
In the above-mentioned bottom-expanding anchor rod of the present invention, there are two bottom-expanding rods in a bottom-expanding structure, and the two bottom-expanding rods of the bottom-expanding structure are respectively disposed on two sides of the corresponding first bump and connected through the first rotating shaft; the two connecting rods of the bottom expanding structure are respectively arranged at two sides of the corresponding second bump and connected through a second rotating shaft; two bottom expanding rods and two connecting rods of the bottom expanding structure are hinged together through a third rotating shaft.
The utility model discloses in foretell expand end stock, a plurality of expand end structure evenly distributed to use the drilling rod to be the radioactivity as the center pin and arrange.
In the above-mentioned bottom-expanding anchor rod of the present invention, there are a plurality of buckling parts and a plurality of tongue-locking parts, and the buckling parts and the tongue-locking parts are in one-to-one correspondence; the plurality of buckling parts are uniformly distributed by taking the axial direction of the plug as a central axis;
the clamping tongue parts are uniformly distributed by taking the axial direction of the first cylinder part as a central axis.
In the bottom-expanding anchor rod of the utility model, the axial direction of the plug is provided with a first through hole; the second supporting part is axially provided with a second through hole.
The utility model discloses an expand end stock passes through the probing piece and axially stretches out and draws back on the barrel spare, realizes expanding the expansion and the withdrawal of end structure. The buckling part and the clamping tongue part are matched and fixed, so that the bottom expanding structure is kept in an expanded state, the stability is good, and the anchoring of the bottom expanding anchor rod is realized.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 shows a schematic structural view of a bottom-expanding anchor rod according to a preferred embodiment of the present invention;
fig. 2 shows a schematic view of the enlarged anchor shank of fig. 1 in another direction;
fig. 3 showsbase:Sub>A schematic cross-sectional view in the directionbase:Sub>A-base:Sub>A of the anchor bolt shown in fig. 2;
fig. 4 shows a reference view of the expanded anchor rod of fig. 3 in use;
FIG. 5 is a schematic view of the bulkhead of the anchor bolt of FIG. 1;
FIG. 6 shows a schematic view of the structure of the drilling member of the under-reamed bolt shown in FIG. 1;
FIG. 7 shows an enlarged partial view of the portion B of the drilling element shown in FIG. 6;
fig. 8 shows a schematic view of the under-reamed bolt of fig. 1 in a further direction.
Detailed Description
In order to make the technical solutions, technical objects, and technical effects of the present invention clearer, so as to enable those skilled in the art to understand and implement the present invention, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 8, fig. 1 is a schematic structural view illustrating a bottom-enlarged anchor rod according to a preferred embodiment of the present invention; fig. 2 shows a schematic view of the enlarged anchor shank of fig. 1 in another direction; fig. 3 showsbase:Sub>A schematic cross-sectional view in the directionbase:Sub>A-base:Sub>A of the bottom-expanding bolt shown in fig. 2; fig. 4 shows a reference view of the expanded anchor rod of fig. 3 in use; FIG. 5 shows a schematic view of the bulkhead of the expanded base anchor shown in FIG. 1; FIG. 6 shows a schematic view of the structure of the drilling member of the under-reamed bolt shown in FIG. 1; figure 7 shows an enlarged partial view of part B of the drilling element shown in figure 6; fig. 8 shows a schematic view of the under-reamed anchor rod according to fig. 1 in a further direction. Specifically, the bottom-out bolt includes a drill rod 100 and a drilling member 200;
the drilling element 200 is telescopically and axially arranged on the barrel element 110 in a penetrating way; the bottom-out bolt includes a spring 500 received in the barrel 110 and connected between the plug 120 and the drilling element 200;
the bottom-out bolt further comprises a latch 240 disposed at the top of the drilling member 200; the drill rod 100 further comprises a buckling part 130 which is arranged at the bottom of the plug 120 and is used for being matched and fixed with the latch part 240;
the bellout anchor further comprises a plurality of bellout structures 300, each bellout structure 300 including a bellout lever 320 rotatably mounted on the drilling element 200 by a first rotary shaft 420, a connecting rod 310 rotatably mounted on the barrel 110 by a second rotary shaft 410, and a third rotary shaft 430 hingedly connecting the bellout lever 320 and the connecting rod 310 together.
The above-mentioned technical solution is a basic solution, and for convenience of description, an upper portion of the barrel 110 is cut off, so that the plug 120 is exposed. The expansion and retraction of the under-reamed structure 300 is accomplished by the axial telescoping of the drilling element 200 on the barrel element 110. The buckling part 130 and the tongue part 240 are fixed in a matching manner, so that the bottom expanding structure 300 is kept in an expanded state, and the anchoring of the bottom expanding anchor rod is realized.
Further, as shown in fig. 3, 5-6, the plug 120 includes a connecting portion 123 fixedly connected directly to the barrel 110, and a first supporting portion 122 axially formed at the bottom of the connecting portion 123;
the connecting portion 123 and the first support portion 122 constitute a circular step; the spring 500 is sleeved on the first supporting part 122 and is fixedly connected with the connecting part 123;
the latch 130 is fixedly disposed at the bottom of the first support 122.
Here, the spring 500 may be neatly disposed in the barrel 110 and connected between the choke plug 120 and the drilling member 200 by the circular step configured by the connection part 123 and the first support part 122.
Further, as shown in fig. 3, the drilling element 200 comprises a first barrel portion 220 and an anchor head 210 mounted at the bottom of the first barrel portion 220;
a second supporting part 260 is formed on the top of the first cylinder part 220; the tongue-retaining portion 240 is disposed on the second supporting portion 260;
the spring 500 is also fixedly connected with the second support part 260.
Here, the latch part 240 is provided with a support platform by the second support part 260. The spring 500 is fixedly connected at both ends thereof to the connecting portion 123 and the second supporting portion 260, respectively, so that the spring 500 firmly fastens the latch portion 130 and the latch portion 240 together by its own elastic force when the latch portion 130 and the latch portion 240 are fixedly engaged with each other.
Furthermore, there are a plurality of buckling parts 130 and a plurality of tongue clamping parts 240, and the buckling parts 130 correspond to the tongue clamping parts 240 one by one; the plurality of buckling parts 130 are uniformly distributed by taking the axial direction of the plug 120 as a central axis;
the tongue-engaging portions 240 are uniformly distributed around the axial direction of the first cylindrical portion 220.
Further, a plurality of first protrusions 230 are formed on the outer wall of the first cylinder 220; the first bumps 230 correspond to the bottom-enlarged structures 300 one to one;
the bellout lever 320 of the bellout structure 300 is rotatably mounted on the corresponding first boss 230 by a first rotating shaft 420.
Here, the connection of the under-reamed structure 300 and the drilling element 200 is effected by means of the first cam 230.
Further, the plug 120 is axially provided with a first through hole 121; the second supporting portion 260 is axially provided with a second through hole 250; the effect of the communication of the enlarged footing bolt from top to bottom is achieved through the first and second through holes 121 and 250 so as to facilitate the grouting of the borehole bottom through the enlarged footing bolt.
Further, the cylinder 110 includes a second cylinder 112, and a plurality of second protrusions 111 are formed on the outer wall of the second cylinder 112 in a protruding manner; the second bumps 111 correspond to the bottom-enlarging structures 300 one by one;
the connecting rods 310 of the bottom-enlarged structure 300 are rotatably mounted on the corresponding second protrusions 111 by the second rotating shafts 410.
Here, the connection between the flared structure 300 and the cartridge 110 is realized by the second projection 111.
Further, the plurality of under-reamed structures 300 are uniformly distributed and radially arranged with the drill pipe 100 as a central axis.
Further, in a bottom expanding structure 300, there are two bottom expanding rods 320, and the two bottom expanding rods 320 of the bottom expanding structure 300 are respectively disposed at two sides of the corresponding first protrusions 230 and connected through the first rotating shaft 420; the number of the connecting rods 310 is also two, and the two connecting rods 310 of the bottom-enlarged structure 300 are respectively arranged at two sides of the corresponding second bump 111 and connected through a second rotating shaft 410; the two bottom expanding rods 320 and the two connecting rods 310 of the bottom expanding structure 300 are hinged together by a third rotating shaft 430.
Further, the two bottom expanding rods 320 of the bottom expanding structure 300 may be matched for supporting and installing a bottom expanding baffle (not shown in the figure).
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (9)
1. A bottom-expanding bolt, comprising a drill rod (100) and a drilling element (200);
the drill rod (100) comprises a barrel (110) and a plug (120) fixedly arranged in the barrel (110);
the drilling part (200) is telescopically and axially arranged on the barrel part (110) in a penetrating way; the bottom-out bolt comprises a spring (500) received in the barrel (110) and connected between the plug (120) and the drilling element (200);
the bottom-expanding anchor rod also comprises a clamping tongue part (240) arranged at the top of the drilling piece (200); the drill rod (100) also comprises a buckling part (130) which is arranged at the bottom of the plug (120) and is used for being matched and fixed with the clamping tongue part (240);
the bottom-expanded rock bolt further comprises a plurality of bottom-expanded structures (300), each bottom-expanded structure (300) comprises a bottom-expanded rod (320) rotatably mounted on the drilling member (200) through a first rotating shaft (420), a connecting rod (310) rotatably mounted on the barrel member (110) through a second rotating shaft (410), and a third rotating shaft (430) for hinging the bottom-expanded rod (320) and the connecting rod (310) together.
2. A bottom-expanding anchor rod according to claim 1, characterised in that the plug (120) comprises a connecting portion (123) fixedly connected directly to the tubular element (110) and a first support portion (122) formed axially at the bottom of the connecting portion (123);
the connecting part (123) and the first supporting part (122) form a circular step; the spring (500) is sleeved on the first supporting part (122) and is fixedly connected with the connecting part (123);
the buckling part (130) is fixedly arranged at the bottom of the first supporting part (122).
3. A bottom-reaming bolt according to claim 2, characterized in that the drilling element (200) comprises a first cylindrical portion (220) and an anchor head (210) mounted at the bottom of the first cylindrical portion (220);
a second supporting part (260) is formed at the top of the first cylinder part (220); the clamping tongue part (240) is arranged on the second supporting part (260);
the spring (500) is also fixedly connected with the second supporting part (260).
4. A bottom-expanding anchor rod according to claim 3, wherein the first cylinder portion (220) is formed with a plurality of first projections (230) protruding from an outer wall thereof; the first bumps (230) correspond to the bottom expanding structures (300) one by one;
the bellout rod (320) of the bellout structure (300) is rotatably mounted on the corresponding first lug (230) through a first rotating shaft (420).
5. A bottom-expanding anchor rod according to claim 4, characterized in that the barrel member (110) comprises a second barrel part (112), and a plurality of second lugs (111) are formed on the outer wall of the second barrel part (112) in a protruding way; the second bumps (111) correspond to the bottom expanding structures (300) one by one;
the connecting rod (310) of the bottom expanding structure (300) is rotatably arranged on the corresponding second lug (111) through a second rotating shaft (410).
6. The bottom-enlarging bolt according to claim 5, wherein in a bottom-enlarging structure (300), there are two bottom-enlarging rods (320), and the two bottom-enlarging rods (320) of the bottom-enlarging structure (300) are respectively arranged at both sides of the corresponding first protrusions (230) and connected through the first rotating shaft (420); the number of the connecting rods (310) is also two, and the two connecting rods (310) of the bottom expanding structure (300) are respectively arranged at two sides of the corresponding second bump (111) and connected through a second rotating shaft (410); two bottom expanding rods (320) and two connecting rods (310) of the bottom expanding structure (300) are hinged together through a third rotating shaft (430).
7. A bottom-reaming anchor according to claim 6, characterized in that a plurality of bottom-reaming structures (300) are uniformly distributed and radially arranged with the drill rod (100) as a central axis.
8. The anchor bolt as claimed in claim 6, wherein there are a plurality of the fastening portions (130) and a plurality of the latch portions (240), and the fastening portions (130) and the latch portions (240) correspond to each other one by one; the plurality of buckling parts (130) are uniformly distributed by taking the axial direction of the plug (120) as a central axis;
the tongue clamping portions (240) are uniformly distributed by taking the axial direction of the first cylinder portion (220) as a central axis.
9. A bottom-expanding anchor rod according to claim 3, wherein the plug (120) is axially provided with a first through hole (121); the second supporting part (260) is axially provided with a second through hole (250).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222211357.7U CN217949044U (en) | 2022-08-22 | 2022-08-22 | Bottom-expanding anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222211357.7U CN217949044U (en) | 2022-08-22 | 2022-08-22 | Bottom-expanding anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217949044U true CN217949044U (en) | 2022-12-02 |
Family
ID=84231572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222211357.7U Active CN217949044U (en) | 2022-08-22 | 2022-08-22 | Bottom-expanding anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217949044U (en) |
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2022
- 2022-08-22 CN CN202222211357.7U patent/CN217949044U/en active Active
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