CN211171954U - Sleeve fixing device and sleeve construction supporting structure for anchor rod enlarged footing - Google Patents
Sleeve fixing device and sleeve construction supporting structure for anchor rod enlarged footing Download PDFInfo
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- CN211171954U CN211171954U CN201921494305.7U CN201921494305U CN211171954U CN 211171954 U CN211171954 U CN 211171954U CN 201921494305 U CN201921494305 U CN 201921494305U CN 211171954 U CN211171954 U CN 211171954U
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- fixing device
- connecting piece
- support frame
- fixed ring
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- 238000010276 construction Methods 0.000 title claims abstract description 63
- 238000003466 welding Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 abstract description 29
- 238000007667 floating Methods 0.000 description 12
- 238000005553 drilling Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a sleeve fixing device and stock enlarged footing are with sleeve construction bearing structure, this sleeve fixing device are used for fixing the sleeve on the construction operation plane, and this sleeve fixing device includes support frame and solid fixed ring, wherein: the utility model discloses a construction work plane, including solid fixed ring, telescopic outer wall, support frame, fixed ring, support frame, and it is used for fixed cover to establish telescopic outside, so that solid fixed ring's inner wall chucking telescopic outer wall, the support frame is used for the cover to establish telescopic outside, just the top of support frame with gu fixed ring's bottom offsets, with right gu fixed ring supports, the bottom of support frame with construction work plane offsets. The utility model provides a big, the easy technical problem who leads to the hole of collapsing of the fixed degree of difficulty of sleeve under the geological conditions easily collapses.
Description
Technical Field
The utility model relates to a building field especially relates to a sleeve fixing device and stock enlarged footing are with sleeve construction bearing structure.
Background
The anti-floating anchor rod is one of anti-floating measures of an underground structure of the building engineering, the anti-floating anchor rod is different from a common foundation pile, the anti-floating anchor rod is an anti-pulling pile body bearing pulling force, the force borne by the anti-floating anchor rod is the pulling force transmitted from the top to the bottom, and the size of the pulling force borne by the anti-floating anchor rod changes along with the change of the underground water level. At the present stage, a high-pressure jet grouting enlarged footing anchor rod and a bag are mostly adopted for construction in a matched mode, wherein the high-pressure jet grouting enlarged footing anchor rod is used for cutting and enlarging a hole wall soil body in a section of length range at the bottom of an anchor hole through mechanical drilling according to a high-pressure jet principle, and filling cement paste is replaced to form a cylindrical enlarged footing; the sack adopts high-strength civil engineering cloth utricule design, pours into the grout into the sack through the high-pressure pump in, and the utricule slip casting in-process extrudes the solid body of formation extension body section cement to surrounding soil layer, and pressurizes in the utricule and pours and can fully guarantee that the solid shape is even, closely knit to the messenger satisfies the anti-floating stock and bears the requirement of great pulling force. The main construction process of the anti-floating anchor rod comprises the following steps: measuring and lofting → positioning of a drilling machine → cement paste preparation → sleeve embedding → pore-forming → high-pressure jet grouting and reaming (twice) → anchor rod installation → grouting in and out of a bag → pile forming.
According to the comprehensive field reality, the whole set of construction procedures are combined, the hole forming is mainly protected by the sleeve under the condition of the easy-collapse geology (such as coastal beach geology), therefore, the stability of the sleeve plays a crucial role in the success or failure of the construction in the drilling process, and the sleeve stability control method at the present stage mainly comprises the steps of fixing the sleeve by a clamp carried by a drilling machine and sinking the bottom of the sleeve to the bottom of a drilled hole for fixing.
However, both of the above methods have their own disadvantages: the sleeve is fixed through a clamp carried by the drilling machine, so that the moving range of the drilling machine is limited, the working efficiency of the drilling machine is reduced, and the stability of the sleeve cannot be ensured; the bottom of the sleeve is sunk to the bottom of the drill hole, so that the sleeve is not suitable for construction under the geological condition of easy collapse, and due to the fact that high-pressure rotary spraying, punching and other construction steps need to be carried out, hole collapse is easily caused, the pipe burying phenomenon occurs, and the construction cannot be normally carried out.
Aiming at the problems that in the related art, the sleeve is difficult to fix under the geological condition of easy collapse and hole collapse is easy to cause, an effective solution is not provided at present.
Therefore, the inventor provides a sleeve fixing device and a sleeve construction supporting structure for an anchor rod expanding head by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sleeve fixing device and anchor rod are sleeve construction bearing structure for enlarged footing can play support and fixed action to the sleeve under the complicated geological conditions, guarantees that the sleeve has good stability, can effectively reduce the probability that collapses the hole and suck back in the work progress, improves the suitability and the stability of taking sleeve construction anti-floating anchor rod.
The purpose of the utility model can be realized by adopting the following technical scheme:
the utility model provides a sleeve fixing device for fix the sleeve on the construction operation plane, this sleeve fixing device includes support frame and solid fixed ring, wherein:
the utility model discloses a construction work plane, including solid fixed ring, telescopic outer wall, support frame, fixed ring, support frame, and it is used for fixed cover to establish telescopic outside, so that solid fixed ring's inner wall chucking telescopic outer wall, the support frame is used for the cover to establish telescopic outside, just the top of support frame with gu fixed ring's bottom offsets, with right gu fixed ring supports, the bottom of support frame with construction work plane offsets.
In a preferred embodiment of the present invention, the contact area between the bottom of the supporting frame and the construction operation plane is larger than the contact area between the top of the supporting frame and the bottom of the fixing ring.
The utility model discloses an in a preferred embodiment, the support frame includes main body frame and connecting rod, the both ends correspondence of connecting rod is close to the lateral wall at main body frame both ends is connected to form the rectangular frame structure that sets up along the horizontal direction, main body frame with form the mounting hole that link up from top to bottom between the connecting rod, the mounting hole be used for with main body frame cover is established telescopic outside.
In a preferred embodiment of the present invention, the supporting frame is made by welding a plurality of square tubes.
In a preferred embodiment of the present invention, the outer diameter of the fixing ring is at least 30mm greater than the length or inner diameter of the mounting hole in the cross-sectional direction.
The utility model discloses an in a preferred embodiment, gu fixed ring includes first connecting piece of arc and arc second connecting piece, indent position on the first connecting piece with indent position on the second connecting piece sets up relatively, the one end of first connecting piece with the one end of second connecting piece is articulated, the other end of first connecting piece with the other end fixed connection of second connecting piece is in order to form the edge telescopic circumference cover is located the ring shaped structure in the sleeve outside.
The utility model discloses an in a preferred embodiment, first connecting piece with be provided with articulated elements and harness cord screw rod between the second connecting piece, the one end of first connecting piece with the one end of second connecting piece respectively through the round pin axle with the articulated elements pin joint, the other end of first connecting piece with the other end of second connecting piece passes through harness cord screw rod fixed connection.
In a preferred embodiment of the present invention, the fixing ring is a circular boss circumferentially disposed on the outer wall of the sleeve, and the fixing ring is integrally connected to the outer wall of the sleeve.
The utility model provides a stock enlarged footing is with sleeve construction bearing structure, including sleeve body and foretell sleeve fixing device, sleeve fixing device cover is established the outside of sleeve body, and will the sleeve body is fixed on the construction operation plane.
The utility model discloses an in a preferred embodiment, the top of sleeve body is located construction operation plane's top, sleeve fixing device sets up construction operation plane top on the sleeve body, the bottom of sleeve body be used for with the enlarged footing intercommunication of construction operation plane below.
From above, the utility model discloses a sleeve fixing device and stock enlarged footing are with sleeve construction bearing structure's characteristics and advantage are: the telescopic outside cover is equipped with solid fixed ring and support frame, gu fixed ring and telescopic outer wall fixed connection, the support frame is located between solid fixed ring and the construction operation plane, the top of support frame offsets with solid fixed ring's bottom, the bottom and the construction operation plane of support frame offset, play support and fixed effect to solid fixed ring through the support frame, gu fixed ring's setting has increased the area of contact of sleeve with the support frame simultaneously, the stability to the sleeve support has been improved, make the sleeve can stably set up under complicated geological conditions such as easily collapsing, greatly reduced collapses hole and the probability of suck-back, improve the suitability and the stability of taking sleeve construction anti-floating anchor rod.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1: do the utility model discloses sleeve fixing device's schematic structure diagram.
FIG. 2: do the utility model discloses the structure schematic diagram of support frame among the sleeve fixing device.
FIG. 3: do the utility model discloses the solid fixed ring's among the sleeve fixing device structural schematic diagram.
FIG. 4: do the utility model discloses the stock expands the sleeve construction bearing structure's for head structural sketch.
The utility model provides a reference numeral: 1. a support frame; 101. a main body frame; 102. mounting holes; 103. a connecting rod; 2. a fixing ring; 201. a first connecting member; 202. a second connecting member; 203. a harness cord screw; 204. a nut; 205. an articulation member; 206. a pin shaft; 3. a sleeve; 4. a head is expanded; 5. and (5) constructing a working plane.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a sleeve fixing device for fix sleeve 3 on construction work plane 5, this sleeve fixing device includes support frame 1 and solid fixed ring 2, wherein: the fixed ring 2 is used for fixing the sleeve and is arranged on the outer side of the sleeve 3, so that the inner wall of the fixed ring 2 is clamped on the outer wall of the sleeve 3, the support frame 1 is used for the slidable sleeve to be arranged on the outer side of the sleeve 3, the top of the support frame 1 is abutted to the bottom of the fixed ring 2, the fixed ring 2 is supported, the bottom of the support frame 1 is abutted to the construction operation plane 5, and the sleeve 3 is stably fixed on the construction operation plane 5. The utility model discloses the outside cover at sleeve 3 is equipped with solid fixed ring 2 and support frame 1, gu fixed ring 2 and sleeve 3's outer wall fixed connection, support frame 1 is located solid fixed ring 2 and construction operation plane 5 between, play support and fixed effect to solid fixed ring 2 through support frame 1, gu fixed ring 2's setting has increased sleeve 3 and support frame 1's area of contact simultaneously, the stability of supporting sleeve 3 has been improved, make sleeve 3 can stably set up under the complicated geological conditions such as easily collapsing, greatly reduced collapses the hole and the probability of suck-back, improve the suitability and the stability of taking sleeve construction anti-floating anchor rod.
Further, the area of contact of the bottom of support frame 1 and construction operation plane 5 is greater than the area of contact of the top of support frame 1 and the bottom of solid fixed ring 2 to play firm supporting role to solid fixed ring 2, thereby guarantee that sleeve 3 has good stability in the work progress.
Further, the both sides of sleeve 3 are provided with the backing plate respectively, and the backing plate is laid between construction operation face 5 and support frame 1, and the top of backing plate is compressed tightly to the bottom of support frame 1, and the bottom and the construction operation face 5 of backing plate offset.
As shown in fig. 2, the supporting frame 1 includes a main frame 101 and a connecting rod 103, two ends of the connecting rod 103 are correspondingly connected to side walls near two ends of the main frame 101 to form a rectangular frame structure arranged along a horizontal direction, a vertically through mounting hole 102 is formed between the main frame 101 and the connecting rod 103, and the mounting hole 102 is used for sleeving the main frame 101 on the outer side of the sleeve 3.
Specifically, the support frame 1 is made by welding a plurality of square pipes, the specification of each square pipe is 40 × 40mm, and the wall thickness is 3.5 mm.
Further, when the mounting hole 102 is a rectangular through hole, the outer diameter of the fixing ring 2 is at least 30mm greater than the length of the mounting hole 102 in the cross-sectional direction; when the mounting hole 102 is a circular through hole, the outer diameter of the fixing ring 2 is greater than the inner diameter of the mounting hole 102 by at least 30mm, so that a larger contact area is formed between the fixing ring 2 and the support frame 1, and the support frame 1 can stably support the fixing ring 2 and the sleeve 3.
The utility model discloses an in the embodiment, as shown in fig. 3, gu fixed ring 2 includes first connecting piece 201 of arc and arc second connecting piece 202, the indent position on the first connecting piece 201 sets up with the indent position on the second connecting piece 202 relatively, the one end of first connecting piece 201 is articulated with the one end of second connecting piece 202, the other end of first connecting piece 201 and the other end fixed connection of second connecting piece 202, form solid fixed ring 2 of ring structure through mutually supporting of first connecting piece 201 and second connecting piece 202, gu fixed ring 2 locates the sleeve 3 outside along the fixed cover of the circumference of sleeve 3. Through the connection structure of first connecting piece 201 and second connecting piece 202, can enough guarantee solid fixed ring 2 and sleeve 3's stable connection, can guarantee solid fixed ring 2 convenient to detach and installation again, and is swift convenient, and the suitability is strong.
Specifically, as shown in fig. 3, a long-strip-shaped hinge 205 and a harness cord screw 203 are disposed between the first connecting member 201 and the second connecting member 202, one side end of the first connecting member 201 and one side end of the second connecting member 202 are respectively pivoted to the hinge 205 through a pin 206, the other opposite side end of the first connecting member 201 and the other opposite side end of the second connecting member 202 are fixedly connected through the harness cord screw 203, nuts are respectively screwed on two ends of the harness cord screw 203, and the two nuts are correspondingly and tightly attached to the outer wall of the end of the first connecting member 201 and the outer wall of the end of the second connecting member 202.
The utility model discloses an in another embodiment, solid fixed ring 2 sets up the ring form boss on the outer wall of sleeve 3 for along sleeve 3's circumference, gu fixed ring 2 and sleeve 3's outer wall body coupling.
The utility model discloses sleeve fixing device's characteristics and advantage are:
one, the outside cover at sleeve 3 in this sleeve fixing device is equipped with solid fixed ring 2 and support frame 1, gu fixed ring 2 and sleeve 3's outer wall fixed connection, support frame 1 is located solid fixed ring 2 and construction operation plane 5 between, the top of support frame 1 offsets with solid fixed ring 2's bottom, the bottom of support frame 1 offsets with construction operation plane 5, play support and fixed effect to sleeve 3 through support frame 1, gu fixed ring 2's setting has increased sleeve 3 and support frame 1 area of contact, the stability that support frame 1 supported sleeve 3 has been improved, make sleeve 3 can stably set up under the complicated geological conditions such as easily collapsing, greatly reduced collapses hole and the probability of suckback, improve the suitability and the stability of taking sleeve construction anti-floating anchor rod.
Second, the external diameter of solid fixed ring 2 is greater than the length or the internal diameter of mounting hole 102 among this sleeve fixing device, and the area of contact of the bottom of support frame 1 and construction operation plane 5 is greater than the area of contact of the top of support frame 1 and the bottom of solid fixed ring 2, guarantees that support frame 1 plays firm supporting role to solid fixed ring 2 and sleeve 3, guarantees that sleeve 3 has good stability in the work progress.
As shown in fig. 4, the utility model provides a stock enlarged footing is with sleeve support structure that is under construction, including sleeve body and foretell sleeve fixing device, the fixed cover of sleeve fixing device is established in the outside of sleeve body to fix the sleeve body on construction operation plane 5. The top of sleeve body is located the top of construction operation plane 5, and sleeve fixing device sets up on the sleeve body of construction operation plane 5 top, and in the bottom of sleeve body stretched into the drilling to along drilling and the enlarged footing 4 intercommunication of construction operation plane 5 below.
This sleeve construction bearing structure for stock enlarged footing in the work progress, including following step:
step S1: when the sleeve 3 extends into the position of the enlarged head top elevation in the drill hole, the fixing ring 2 is sleeved outside the sleeve 3, and the fixing ring 2 and the sleeve 3 are locked and fixed;
step S2: inserting the support frame 1 into the outer side of the sleeve 3 below the fixing ring 2, and welding the support frame 1 to form a mounting hole 102, so that the weight of the fixing ring 2 and the sleeve 3 is loaded on the support frame 1;
step S3: performing subsequent high-pressure rotary spraying, anchoring and grouting operations in sequence, withdrawing the operation equipment after the high-pressure rotary spraying operation to perform the anchoring operation, and performing the grouting operation immediately after the anchoring operation is completed;
step S4: after the grouting operation is completed, the sleeve 3 is fixed through the clamp device of the drilling machine, and the fixing ring 2 and the support frame 1 can be detached.
The utility model discloses stock enlarged footing is with sleeve construction bearing structure's characteristics and advantage are:
this anchor rod is fixed cover in the outside of sleeve body among the sleeve construction bearing structure for enlarged footing, and be equipped with foretell sleeve fixing device, sleeve fixing device with the sleeve stable fix on construction operation plane 5, increased the area of contact between sleeve body and the construction operation plane 5, improved support and fixed stability to sleeve 3, guarantee that sleeve 3 is located the installation that still can stabilize under the complicated geological conditions such as easily collapsing promptly, reduce the probability of collapsing the hole and suck-back, guarantee the normal clear of construction.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A sleeve fixing device for fixing a sleeve (3) on a construction work plane (5), characterized in that it comprises a support frame (1) and a fixing ring (2), wherein:
fixed ring (2) are used for fixed cover to establish the outside of sleeve (3), so that the inner wall chucking of fixed ring (2) the outer wall of sleeve (3), support frame (1) are used for the cover to establish the outside of sleeve (3), just the top of support frame (1) with the bottom of fixed ring (2) offsets, and is right fixed ring (2) support, the bottom of support frame (1) with construction operation plane (5) offset.
2. The socket fixing device according to claim 1, wherein the contact area of the bottom of the support frame (1) with the construction work plane (5) is larger than the contact area of the top of the support frame (1) with the bottom of the fixing ring (2).
3. The sleeve fixing device according to claim 1, wherein the support frame (1) comprises a main frame (101) and a connecting rod (103), two ends of the connecting rod (103) are correspondingly connected with side walls close to two ends of the main frame (101) to form a rectangular frame structure arranged along a horizontal direction, a vertically through mounting hole (102) is formed between the main frame (101) and the connecting rod (103), and the mounting hole (102) is used for sleeving the main frame (101) on the outer side of the sleeve (3).
4. A sleeve fixing device according to claim 3, wherein said supporting frame (1) is made by welding a plurality of square tubes.
5. A socket fixing device according to claim 3, wherein the outer diameter of the fixing ring (2) is at least 30mm larger than the length or inner diameter of the mounting hole (102) in the cross-sectional direction.
6. The sleeve fixing device according to claim 1, wherein the fixing ring (2) comprises an arc-shaped first connecting piece (201) and an arc-shaped second connecting piece (202), the concave position on the first connecting piece (201) is opposite to the concave position on the second connecting piece (202), one end of the first connecting piece (201) is hinged to one end of the second connecting piece (202), and the other end of the first connecting piece (201) is fixedly connected to the other end of the second connecting piece (202) to form a circular ring-shaped structure sleeved outside the sleeve (3) along the circumferential direction of the sleeve (3).
7. The sleeve fixing device according to claim 6, wherein a hinge (205) and a harness screw (203) are arranged between the first connecting piece (201) and the second connecting piece (202), one end of the first connecting piece (201) and one end of the second connecting piece (202) are respectively pivoted with the hinge (205) through a pin shaft (206), and the other end of the first connecting piece (201) and the other end of the second connecting piece (202) are fixedly connected through the harness screw (203).
8. The sleeve fixing device according to claim 1, wherein the fixing ring (2) is an annular boss provided on the outer wall of the sleeve (3) in the circumferential direction of the sleeve (3), and the fixing ring (2) is integrally connected to the outer wall of the sleeve (3).
9. A sleeve construction supporting structure for an anchor rod enlarged head is characterized by comprising a sleeve body and a sleeve fixing device as claimed in any one of claims 1 to 8, wherein the sleeve fixing device is sleeved on the outer side of the sleeve body and fixes the sleeve body on a construction operation plane (5).
10. The construction support structure for the sleeve of the anchor rod enlarged head as set forth in claim 9, wherein the top of the sleeve body is located above the construction work plane (5), the sleeve fixing device is provided on the sleeve body above the construction work plane (5), and the bottom of the sleeve body is adapted to communicate with the enlarged head (4) below the construction work plane (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494305.7U CN211171954U (en) | 2019-09-09 | 2019-09-09 | Sleeve fixing device and sleeve construction supporting structure for anchor rod enlarged footing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494305.7U CN211171954U (en) | 2019-09-09 | 2019-09-09 | Sleeve fixing device and sleeve construction supporting structure for anchor rod enlarged footing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211171954U true CN211171954U (en) | 2020-08-04 |
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ID=71825871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921494305.7U Active CN211171954U (en) | 2019-09-09 | 2019-09-09 | Sleeve fixing device and sleeve construction supporting structure for anchor rod enlarged footing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211171954U (en) |
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2019
- 2019-09-09 CN CN201921494305.7U patent/CN211171954U/en active Active
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