CN115573334A - Improved expanded head bag type anchor rod and construction method thereof - Google Patents
Improved expanded head bag type anchor rod and construction method thereof Download PDFInfo
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- CN115573334A CN115573334A CN202211114805.XA CN202211114805A CN115573334A CN 115573334 A CN115573334 A CN 115573334A CN 202211114805 A CN202211114805 A CN 202211114805A CN 115573334 A CN115573334 A CN 115573334A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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Abstract
The invention discloses an improved expansion head bag type anchor rod, which comprises: the device comprises a rod body, wherein a guide cone is fixedly connected to the bottom end of the rod body, and a trigger assembly is arranged on the guide cone; the self-centering mechanism comprises an elastic centering frame fixedly sleeved at the bottom of a rod body, the top end of the elastic centering frame is fixedly connected with a grouting pipe and an exhaust pipe, the bottom ends of the grouting pipe and the exhaust pipe both extend into the elastic centering frame, the bottom end of the grouting pipe is positioned below the bottom end of the exhaust pipe, the bottom end of the elastic centering frame is provided with an elastic clamping assembly, the triggering assembly is used for triggering the elastic clamping assembly, the elastic centering frame is fixedly connected with a limiting assembly, the inner wall of the bottom end of the elastic centering frame is fixedly connected with a clamping column, and the limiting assembly is detachably connected with the clamping column; the special-shaped bag body is positioned in the elastic centering frame and is fixedly connected with the elastic centering frame; go up fixed subassembly, go up fixed subassembly and can dismantle the connection at the body of rod top. The self-centering anchor rod can realize self-centering of the anchor rod after being placed at the bottom of the hole, so as to realize better anchoring effect.
Description
Technical Field
The invention relates to the technical field of bag type anchor rods, in particular to an improved expanded head bag type anchor rod and a construction method thereof.
Background
Bag formula stock and the bottom of ordinary stock difference in bag formula stock are provided with the utricule, and through slip casting equipment slip casting in to the utricule after the anchor, wait to form the anchor piece after the thick liquid in the utricule solidifies, compare in traditional stock, and bag formula stock has better anchor effect.
But present bag formula stock does not possess from centering structure and function, mainly realizes the centering of stock through the direction awl of stock bottom and workman's judgement after the anchor down, and the stock after consequently the construction deflects easily to appear, leads to the anchor effect unsatisfactory, and present bag formula stock leads to unstable at the slip casting in-process stock owing to self does not have the function of auxiliary stay simultaneously, leads to the stock to take place the deflection easily at the slip casting in-process.
Therefore, there is a need for an improved expandable head capsule anchor and a construction method thereof to solve the above problems.
Disclosure of Invention
The invention aims to provide an improved expansion head bag type anchor rod, which comprises:
the device comprises a rod body, wherein a guide cone is fixedly connected to the bottom end of the rod body, and a trigger assembly is mounted on the guide cone;
the self-centering mechanism comprises an elastic centering frame fixedly sleeved at the bottom of the rod body, the top end of the elastic centering frame is fixedly connected with a grouting pipe and an exhaust pipe, the bottom ends of the grouting pipe and the exhaust pipe both extend into the elastic centering frame, the bottom end of the grouting pipe is positioned below the bottom end of the exhaust pipe, an elastic clamping assembly is installed at the bottom end of the elastic centering frame, the triggering assembly is used for triggering the elastic clamping assembly, a limiting assembly is fixedly connected in the elastic centering frame, a clamping column is fixedly connected to the inner wall of the bottom end of the elastic centering frame, and the limiting assembly is detachably connected with the clamping column;
the special-shaped bag body is positioned in the elastic centering frame and fixedly connected with the elastic centering frame, and the bottom end of the grouting pipe, the bottom end of the exhaust pipe, the clamping column and the limiting assembly are positioned in the special-shaped bag body;
go up fixed subassembly, it connects to go up fixed subassembly can dismantle at the body of rod top.
Preferably, elasticity centering frame establishes including fixed cover the outer cover of body of rod bottom, the fixed cover in outer cover top is equipped with the fixed block, the slip casting pipe with the blast pipe is fixed to be run through the fixed block, the fixed block below is provided with the sliding block, sliding block sliding sleeve establishes on the outer cover, the card post rigid coupling is in the sliding block top, elasticity joint unit mount is in the sliding block, elasticity joint subassembly with the connection can be dismantled to the outer cover, the fixed block outside articulates there is a plurality of articulated elements, the articulated elements end with the sliding block lateral wall is articulated, heterotypic utricule is located the outer cover the fixed block the sliding block in the space that the articulated elements enclose, the both ends of heterotypic utricule respectively with the fixed block with the sliding block rigid coupling, the lateral wall of heterotypic utricule with the articulated elements rigid coupling, the fixed block with be provided with the second spring between the sliding block, the both ends of second spring respectively with the fixed block with the sliding block rigid coupling, just the second spring is located in the heterotypic utricule.
Preferably, the articulated member includes a plurality of first connecting rods articulated on the outer wall of the fixed block, the tail ends of the first connecting rods are articulated with second connecting rods, the tail ends of the second connecting rods are articulated with the outer wall of the sliding block, the special-shaped bag body is located in a space defined by the outer sleeve body, the fixed block, the sliding block, the first connecting rods and the second connecting rods, and the side wall of the special-shaped bag body is fixedly connected with the first connecting rods.
Preferably, the elastic clamping component comprises a first clamping block, a first inclined plane is formed in the bottom end of the first clamping block, a first slide way is formed in the sliding block, a first slide plate is connected in the first slide way in a sliding mode, the first clamping block is fixedly connected to one side, close to the outer sleeve, of the first slide plate, a third spring is fixedly connected to one side, far away from the outer sleeve, of the first slide plate, the tail end of the third spring is fixedly connected to the inner wall of the first slide way, the first slide way is close to one side, close to the outer sleeve, of the first slide plate, a jack is formed in the sliding block, the jack is matched with the triggering component, one end, close to the outer sleeve, of the first clamping block penetrates through the jack and extends out of the sliding block, and the first clamping block is close to one end, close to the outer sleeve, of the first clamping block and clamped with the outer sleeve.
Preferably, the trigger assembly includes a trigger rod, the jack with trigger rod looks adaptation, the trigger rod is located the outer casing is kept away from one side of the body of rod, the trigger rod runs through the guide cone, just the trigger rod with the guide cone sliding connection, the trigger rod outside is provided with the spacing groove, the spacing groove is seted up in the guide cone, the spacing inslot sliding connection has limiting slide, limiting slide with the trigger rod rigid coupling.
Preferably, spacing subassembly is established including fixed cover stopper on the outer cover, the stopper is located the fixed block with between the sliding block, the stopper is located the abnormal shape bag is internal, set up the second slide in the stopper, the sliding connection has the second slide in the second slide, the second slide is close to one side rigid coupling of outer cover has the second fixture block, the second inclined plane has been seted up to second fixture block bottom, the second slide is kept away from one side rigid coupling of outer cover has the fourth spring, the end of fourth spring with second slide inner wall rigid coupling, the second slide is close to one side of outer cover is provided with the slot, the slot is seted up on the stopper, the end of second fixture block stretches into the slot, the card post with second fixture block joint.
Preferably, the fixed block with be provided with the steel reinforcement cage between the stopper, the both ends of steel reinforcement cage respectively with the fixed block with the stopper rigid coupling, the second spring housing is established the outside of steel reinforcement cage, the steel reinforcement cage is located the abnormal shape bag is internal.
Preferably, go up fixed subassembly and include the sealing plate, the sealing plate top is provided with first spring, first spring top is provided with the backing plate, backing plate top rigid coupling has the nut, first spring with the sealing plate with the equal butt of backing plate, the sealing plate the backing plate first spring the nut is all overlapped and is established on the body of rod, the nut with the body of rod spiro union.
Preferably, the abnormal-shaped bag body is of a conical structure with waves after grouting is completed, the small-diameter end of the conical structure is located above the abnormal-shaped bag body, and the large-diameter end of the conical structure is located below the abnormal-shaped bag body.
The construction method of the improved expanded head sac type anchor rod uses the improved expanded head sac type anchor rod,
s1, drilling a hole at a position needing anchoring, and then reaming the bottom of the drilled hole by using flaring drilling;
s2, communicating the grouting pipe with grouting equipment, communicating the exhaust pipe with a long flexible pipe, then putting an anchor rod into the drilled hole, triggering the elastic clamping assembly through the triggering assembly, and expanding the elastic centering frame to abut against the inner wall of the hole to realize self-centering;
s3, grouting is carried out in the grouting pipe through the grouting equipment, and the grout enters the special-shaped bag body through the grouting pipe until the grout is discharged from the top end of the long hose, and then grouting is stopped;
and S4, standing for a period of time until the slurry is completely solidified, and installing the upper fixing assembly on the rod body to finish construction.
The invention discloses the following technical effects:
according to the invention, the elastic centering frame is arranged to automatically support the inner wall of the hole after anchoring so as to realize self-centering of the anchor rod, thereby solving the problem that the existing bag type anchor rod is not provided with a self-centering function and is easy to deflect in the construction process, and effectively ensuring the anchoring quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a sectional view of an improved enlarged head capsule anchor rod;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
FIG. 4 is an enlarged view of C in FIG. 1;
FIG. 5 is a schematic structural view of the improved enlarged head capsule anchor rod during bracing;
FIG. 6 is an enlarged view of D in FIG. 5;
FIG. 7 is a schematic structural view of a reinforcement cage;
wherein, 1, a rod body; 2. a nut; 3. a base plate; 4. a first spring; 5. a water stop plate; 6. a fixed block; 7. a grouting pipe; 8. an exhaust pipe; 9. a shaped capsule body; 10. a first link; 11. a second link; 12. an outer casing; 13. a reinforcement cage; 14. a second spring; 15. a limiting block; 16. a slider; 17. a guide cone; 18. a trigger lever; 19. a first clamping block; 20. a first slide plate; 21. a third spring; 22. a fourth spring; 23. a second slide plate; 24. a second fixture block; 25. clamping the column; 26. and a limiting sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of the mechanism of the present invention, and not full embodiments of the mechanism. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides an improved expansion head bag type anchor rod, comprising:
in order to smoothly anchor the rod body 1, a guide cone 17 is fixedly connected to the bottom end of the rod body 1, and a trigger assembly is mounted on the guide cone 17;
the self-centering mechanism comprises an elastic centering frame fixedly sleeved at the bottom of the rod body 1, the top end of the elastic centering frame is fixedly connected with a grouting pipe 7 and an exhaust pipe 8, the bottom ends of the grouting pipe 7 and the exhaust pipe 8 extend into the elastic centering frame, the bottom end of the grouting pipe 7 is positioned below the bottom end of the exhaust pipe 8, an elastic clamping assembly is mounted at the bottom end of the elastic centering frame, the triggering assembly is used for triggering the elastic clamping assembly, a limiting assembly is fixedly connected in the elastic centering frame, a clamping column 25 is fixedly connected to the inner wall of the bottom end of the elastic centering frame, and the limiting assembly is detachably connected with the clamping column 25;
the special-shaped bag body 9 is positioned in the elastic centering frame, the special-shaped bag body 9 is fixedly connected with the elastic centering frame, and the bottom end of the grouting pipe 7, the bottom end of the exhaust pipe 8, the clamping column 25 and the limiting assembly are positioned in the special-shaped bag body 9;
go up fixed subassembly, it connects to go up fixed subassembly can dismantle the connection at 1 top of the body of rod.
Further, elasticity centering frame is established including fixed cover the outer cover 12 of the body of rod 1 bottom, the fixed cover in outer cover 12 top is equipped with fixed block 6, slip casting 7 with exhaust pipe 8 is fixed to be run through fixed block 6, fixed block 6 below is provided with sliding block 16, sliding block 16 slip cover is established on outer cover 12, card post 25 rigid coupling is in the sliding block 16 top, elasticity joint subassembly is installed in sliding block 16, elasticity joint subassembly with outer cover 12 can dismantle the connection, the fixed block 6 outside articulates there is a plurality of articulated elements, the articulated elements end with sliding block 16 lateral wall is articulated, heterotypic utricule 9 is located outer cover 12 fixed block 6, sliding block 16 in the space that the articulated elements enclose, the both ends of heterotypic utricule 9 respectively with fixed block 6 with sliding block 16 rigid coupling, the lateral wall of heterotypic utricule 9 with the articulated elements rigid coupling, fixed block 6 with be provided with second spring 14 between the sliding block 16, the both ends of second spring 14 respectively with fixed block 6 with sliding block 16 rigid coupling, just second spring 14 is located in the heterotypic utricule 9.
Further, the second spring 14 is sleeved on the outer sleeve 12.
Further, the articulated elements include a plurality of first connecting rods 10 articulated on the outer wall of the fixed block 6, the tail end of each first connecting rod 10 is articulated with a second connecting rod 11, the tail end of each second connecting rod 11 is articulated with the outer wall of the sliding block 16, the special-shaped bag body 9 is positioned in a space enclosed by the outer sleeve body 12, the fixed block 6, the sliding block 16, the first connecting rods 10 and the second connecting rods 11, and the side wall of the special-shaped bag body 9 is fixedly connected with the first connecting rods 10.
Further, a plurality of the first connecting rods 10 are arranged at equal intervals along the circumferential direction.
Further, the elastic clamping assembly comprises a first clamping block 19, a first inclined surface is formed in the bottom end of the first clamping block 19, a first slide way is formed in the sliding block 16, a first slide way 20 is connected in the first slide way in a sliding manner, the first clamping block 19 is fixedly connected to one side, close to the outer sleeve 12, of the first slide way 20, a third spring 21 is fixedly connected to one side, far away from the outer sleeve 12, of the first slide way 20, the tail end of the third spring 21 is fixedly connected to the inner wall of the first slide way, a jack is formed in one side, close to the outer sleeve 12, of the first slide way, the jack is formed in the sliding block 16, the jack is matched with the trigger assembly, one end, close to the outer sleeve 12, of the first clamping block 19 penetrates through the jack and extends out of the sliding block 16, and one end, close to the outer sleeve 12, of the first clamping block 19 is clamped to the outer sleeve 12.
Furthermore, a groove is formed in the outer wall of the bottom of the outer sleeve 12, and the first clamping block 19 is clamped with the groove.
Further, the trigger assembly includes a trigger rod 18, the jack is matched with the trigger rod 18, the trigger rod 18 is located on one side of the outer casing 12 far away from the rod body 1, the trigger rod 18 penetrates through the guide cone 17, the trigger rod 18 is in sliding connection with the guide cone 17, a limiting groove is formed in the outer side of the trigger rod 18, the limiting groove is formed in the guide cone 17, a limiting slide block 26 is in sliding connection with the limiting groove, and the limiting slide block 26 is fixedly connected with the trigger rod 18.
When the first fixture block 19 is clamped with the outer sleeve 12, the second spring 14 is in a stretching state, an included angle between the first connecting rod 10 and the second connecting rod 11 is an obtuse angle, after the anchor rod enters the bottom of a drilled hole, the trigger rod 18 firstly contacts the bottom surface of the hole, at the moment, the anchor rod is continuously forced to move downwards, in the process, the trigger rod 18 can move upwards, in the process that the trigger rod 18 is inserted into the jack and contacts with the first fixture block 19, due to the fact that the first inclined surface is arranged at the bottom end of the first fixture block 19, the trigger rod 18 can push the first fixture block 19 to move towards the deep part of the first slideway when moving upwards, the first fixture block 19 is further clamped with the groove in the outer sleeve 12, at the moment, under the effect of the elastic force of the second spring 14, the sliding block 16 slides upwards along the outer sleeve 12, in the process, due to the fact that the first connecting rod 10 is hinged with the fixing block 6, the second connecting rod 11 is hinged with the first connecting rod 10 and the sliding block 16, the first connecting rod 10 and the self-centering hole is formed between the first connecting rod 10 and the second connecting rod 11, and the anchor rod 25 is gradually reduced, when the clamping column 25 is connected with the outer sleeve assembly, the included angle between the first connecting rod 10 and the second connecting rod 11, the anchor rod 11, and the self-centering limiting hole is formed in the anchor rod 11, and the self-centering hole is formed; meanwhile, the hinged part of the first connecting rod 10 and the second connecting rod 11 supports against the inner wall of the hole, so that the whole anchor rod is prevented from inclining in the grouting process, and the stability of the anchor rod in the grouting process is ensured.
Further, in order to smoothly perform anchoring, when the first clamping block 19 is clamped with the groove, the outer diameter of the elastic centering frame is not larger than the major diameter of the guide cone 17.
Further, the limiting component comprises a limiting block 15 fixedly sleeved on the outer sleeve 12, the limiting block 15 is located between the fixing block 6 and the sliding block 16, the limiting block 15 is located in the special-shaped capsule 9, a second slide way is formed in the limiting block 15, a second slide plate 23 is connected in the second slide way in a sliding manner, the second slide plate 23 is close to one side of the outer sleeve 12 and fixedly connected with a second clamping block 24, a second inclined plane is formed in the bottom end of the second clamping block 24, a fourth spring 22 is fixedly connected to one side, far away from the outer sleeve 12, of the second slide plate 23, the tail end of the fourth spring 22 is fixedly connected with the inner wall of the second slide way, a slot is formed in one side, close to the outer sleeve 12, of the second slide way is provided with the slot, the slot is formed in the limiting block 15, the tail end of the second clamping block 24 extends into the slot, and the clamping column 25 is clamped with the second clamping block 24.
When sliding block 16 upwards moved under the effect of second spring 14 elasticity, card post 25 inserted the slot, because second inclined plane has been seted up to second fixture block 24 bottom, consequently second fixture block 24 was moved to the depths of second slide in top during card post 25 upwards moved top, when the arch that card post 25 top lateral wall set up crossed second fixture block 24, second fixture block 24 reeps under fourth spring 22 elasticity, with the protruding joint of card post 25 top lateral wall, can prevent to move downwards under the action of gravity of thick liquid and influence the fashioned effect of final anchor block at grout in-process sliding block 16 through setting up spacing subassembly and card post 25 joint, the guarantee solidifies fashioned anchor block and is required anchor block.
Further, in order to strengthen the intensity of the concrete block after solidifying, make the stock have better anchor effect, fixed block 6 with be provided with steel reinforcement cage 13 between the stopper 15, the both ends of steel reinforcement cage 13 respectively with fixed block 6 with stopper 15 rigid coupling, second spring 14 cover is established the outside of steel reinforcement cage 13, steel reinforcement cage 13 is located in the heterotypic utricule 9.
Further, go up fixed subassembly and include stagnant water board 5, 5 tops of stagnant water board are provided with first spring 4, 4 tops of first spring are provided with backing plate 3, 3 top rigid couplings of backing plate have nut 2, first spring 4 with stagnant water board 5 with the equal butt of backing plate 3, stagnant water board 5 backing plate 3 first spring 4 nut 2 all overlaps and is established on the body of rod 1, nut 2 with the 1 spiro union of the body of rod.
Further, the special-shaped bag body 9 is of a conical structure with waves after grouting is completed, the small-diameter end of the conical structure is located above the special-shaped bag body, and the large-diameter end of the conical structure is located below the special-shaped bag body.
The special-shaped bag body 9 is of a conical structure with waves after being injected into concrete, a self-locking cone can be formed after the concrete is solidified, when the anchor rod is pulled, self-locking is realized by utilizing the extrusion effect of the conical stone body on the side edge of the cone, and the anchoring effect of the anchor rod is firmer.
The construction method of the improved expanded head sac type anchor rod uses the improved expanded head sac type anchor rod,
s1, drilling a hole at a position needing anchoring, and then reaming the bottom of the drilled hole by using flaring drilling;
during the first drilling operation, the diameter of the bore is adapted to the major diameter of the pilot cone 17.
S2, communicating the grouting pipe 7 with grouting equipment, communicating the exhaust pipe 8 with a long flexible pipe, then putting an anchor rod into the drilled hole, triggering the elastic clamping assembly through the triggering assembly, and expanding the elastic centering frame to abut against the inner wall of the hole to realize self-centering;
s3, grouting into the grouting pipe 7 through the grouting equipment, and enabling the grout to enter the special-shaped bag body 9 through the grouting pipe 7 until the grout is discharged from the top end of the long hose and then stopping grouting;
and S4, standing for a period of time until the slurry is completely solidified, and installing the upper fixing assembly on the rod body 1 to finish construction.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. Improvement type enlarged footing bag formula stock, its characterized in that includes:
the device comprises a rod body (1), wherein a guide cone (17) is fixedly connected to the bottom end of the rod body (1), and a trigger assembly is mounted on the guide cone (17);
the self-centering mechanism comprises an elastic centering frame which is fixedly sleeved at the bottom of the rod body (1), the top end of the elastic centering frame is fixedly connected with a grouting pipe (7) and an exhaust pipe (8), the bottom ends of the grouting pipe (7) and the exhaust pipe (8) both extend into the elastic centering frame, the bottom end of the grouting pipe (7) is positioned below the bottom end of the exhaust pipe (8), an elastic clamping assembly is installed at the bottom end of the elastic centering frame, a trigger assembly is used for triggering the elastic clamping assembly, a limiting assembly is fixedly connected into the elastic centering frame, a clamping column (25) is fixedly connected to the inner wall of the bottom end of the elastic centering frame, and the limiting assembly is detachably connected with the clamping column (25);
the special-shaped bag body (9) is positioned in the elastic centering frame, the special-shaped bag body (9) is fixedly connected with the elastic centering frame, and the bottom end of the grouting pipe (7), the bottom end of the exhaust pipe (8), the clamping column (25) and the limiting assembly are positioned in the special-shaped bag body (9);
go up fixed subassembly, go up fixed subassembly detachable connection in the body of rod (1) top.
2. The improved enlarged head bag anchor rod of claim 1, which is characterized in that: the elastic centering frame comprises an outer sleeve body (12) fixedly sleeved at the bottom of the rod body (1), a fixed block (6) is sleeved at the top of the outer sleeve body (12), a grouting pipe (7) and an exhaust pipe (8) are fixedly penetrated through the fixed block (6), a sliding block (16) is arranged below the fixed block (6), the sliding block (16) is sleeved on the outer sleeve body (12) in a sliding mode, a clamping column (25) is fixedly connected to the top end of the sliding block (16), an elastic clamping component is installed in the sliding block (16), the elastic clamping component is detachably connected with the outer sleeve body (12), a plurality of articulated elements are hinged to the outer side of the fixed block (6), the end of each articulated element is hinged to the side wall of the corresponding special-shaped capsule body (16), the special-shaped capsule body (9) is located in a space formed by the outer sleeve body (12), the fixed block (6), the sliding block (16) and the articulated elements, two ends of the special-shaped capsule body (9) are fixedly connected with the fixed block (6) and the sliding block (16), the side wall of the special-shaped capsule body (9) is fixedly connected with the fixed block (6), a second spring and a second spring (14) are arranged between the sliding block (14), and the second spring (14) is positioned in the special-shaped capsule (9).
3. An improved enlarged head capsule anchor rod as claimed in claim 2, wherein: the articulated elements is including articulating a plurality of first connecting rod (10) of fixed block (6) outer wall, first connecting rod (10) end articulates there is second connecting rod (11), second connecting rod (11) end with sliding block (16) outer wall is articulated, heterotypic utricule (9) are located outer cover (12) fixed block (6) sliding block (16) in the space that first connecting rod (10) and second connecting rod (11) enclose, heterotypic utricule (9) lateral wall with first connecting rod (10) rigid coupling.
4. An improved enlarged head capsule anchor rod as claimed in claim 2, wherein: the elastic clamping assembly comprises a first clamping block (19), a first inclined surface is formed in the bottom end of the first clamping block (19), a first slide way is formed in the sliding block (16), a first slide plate (20) is connected in the first slide way in a sliding mode, the first clamping block (19) is fixedly connected to the first slide plate (20) and close to one side of the outer sleeve (12), the first slide plate (20) is far away from one side of the outer sleeve (12) and fixedly connected to a third spring (21), the tail end of the third spring (21) is fixedly connected to the inner wall of the first slide way, the first slide way is close to one side of the outer sleeve (12) and provided with a jack, the jack is formed in the sliding block (16), the jack is matched with the trigger assembly, one end, close to the outer sleeve (12), of the jack penetrates through the sliding block (16), and one end, close to the outer sleeve (12), of the first clamping block (19) is clamped to the outer sleeve (12).
5. An improved enlarged head capsule anchor rod as claimed in claim 4, wherein: the trigger subassembly includes trigger bar (18), the jack with trigger bar (18) looks adaptation, trigger bar (18) are located outer cover (12) are kept away from one side of the body of rod (1), trigger bar (18) run through guide cone (17), just trigger bar (18) with guide cone (17) sliding connection, the trigger bar (18) outside is provided with the spacing groove, the spacing groove is seted up in guide cone (17), spacing inslot sliding connection has spacing slider (26), spacing slider (26) with trigger bar (18) rigid coupling.
6. An improved enlarged head capsule anchor rod as claimed in claim 2, wherein: the limiting assembly comprises a limiting block (15) fixedly sleeved on the outer sleeve body (12), the limiting block (15) is located between the fixing block (6) and the sliding block (16), the limiting block (15) is located in the special-shaped bag body (9), a second slide way is arranged in the limiting block (15), a second slide plate (23) is connected in the second slide way in a sliding mode, a second clamping block (24) is fixedly connected to one side of the outer sleeve body (12) close to the second slide way (23), a second inclined plane is formed in the bottom end of the second clamping block (24), the second slide plate (23) is far away from one side of the outer sleeve body (12) fixedly connected with a fourth spring (22), the tail end of the fourth spring (22) is fixedly connected with the inner wall of the second slide way, a slot is formed in one side of the outer sleeve body (12), the slot is formed in the limiting block (15), the tail end of the second clamping block (24) extends into the slot, and the clamping column (25) is clamped with the second clamping block (24).
7. An improved enlarged head capsule anchor rod as claimed in claim 6, wherein: fixed block (6) with be provided with steel reinforcement cage (13) between stopper (15), the both ends of steel reinforcement cage (13) respectively with fixed block (6) with stopper (15) rigid coupling, second spring (14) cover is established the outside of steel reinforcement cage (13), steel reinforcement cage (13) are located in heterotypic utricule (9).
8. The improved enlarged head capsule anchor rod of claim 1, wherein: go up fixed subassembly and include sealing plate (5), sealing plate (5) top is provided with first spring (4), first spring (4) top is provided with backing plate (3), backing plate (3) top rigid coupling has nut (2), first spring (4) with sealing plate (5) with the equal butt of backing plate (3), sealing plate (5) backing plate (3) first spring (4) nut (2) are all established on the body of rod (1), nut (2) with the body of rod (1) spiro union.
9. The improved enlarged head capsule anchor rod of claim 1, wherein: the special-shaped bag body (9) is of a conical structure with waves after grouting is completed, the small-diameter end of the conical structure is located above the special-shaped bag body, and the large-diameter end of the conical structure is located below the special-shaped bag body.
10. The construction method of the improved expanded-head bag type anchor rod uses the improved expanded-head bag type anchor rod of claim 1, and is characterized in that:
s1, drilling a hole at a position needing anchoring, and then reaming the bottom of the drilled hole by using flaring drilling;
s2, communicating the grouting pipe (7) with grouting equipment, communicating the exhaust pipe (8) with a long flexible pipe, then putting an anchor rod into the drilled hole, triggering the elastic clamping assembly through the triggering assembly, and expanding the elastic centering frame to abut against the inner wall of the hole to realize self-centering;
s3, grouting into the grouting pipe (7) through the grouting equipment, and enabling the grout to enter the special-shaped bag body (9) through the grouting pipe (7) until the grout is discharged from the top end of the long hose and then stopping grouting;
s4, standing for a period of time until the slurry is completely solidified, and installing the upper fixing assembly on the rod body (1) to finish construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211114805.XA CN115573334A (en) | 2022-09-14 | 2022-09-14 | Improved expanded head bag type anchor rod and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211114805.XA CN115573334A (en) | 2022-09-14 | 2022-09-14 | Improved expanded head bag type anchor rod and construction method thereof |
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| CN115573334A true CN115573334A (en) | 2023-01-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344772A (en) * | 2023-11-15 | 2024-01-05 | 中铁建工集团有限公司 | Pile foundation construction auxiliary table based on foundation engineering |
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2022
- 2022-09-14 CN CN202211114805.XA patent/CN115573334A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344772A (en) * | 2023-11-15 | 2024-01-05 | 中铁建工集团有限公司 | Pile foundation construction auxiliary table based on foundation engineering |
| CN117344772B (en) * | 2023-11-15 | 2024-03-22 | 中铁建工集团有限公司 | Pile foundation construction auxiliary table based on foundation engineering |
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