CN209975518U - Device for centering in anchor bar pile hole - Google Patents
Device for centering in anchor bar pile hole Download PDFInfo
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- CN209975518U CN209975518U CN201920666374.5U CN201920666374U CN209975518U CN 209975518 U CN209975518 U CN 209975518U CN 201920666374 U CN201920666374 U CN 201920666374U CN 209975518 U CN209975518 U CN 209975518U
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Abstract
The utility model relates to a device for anchor bar pile downthehole centering location, through preparation reinforcing bar snap ring, installation reinforcing bar snap ring has solved the unable centering situation of location in the hole of anchor bar pile reinforcing bar, and its reinforcing bar snap ring adopts the round steel preparation, has solved ribbed steel bar friction pore wall, causes the pore wall to destroy the condition; the steel bar clamping ring is designed smoothly, so that the problem that the artificial steel bar pile is difficult to insert is solved; the design of a group of three steel bar clamping rings solves the problems of follow-up slurry return pipes, grouting pipes and mortar pouring reserved spaces.
Description
Technical Field
The utility model relates to a positioner technical field among the water conservancy water and electricity side slope engineering especially relates to a device that is used for anchor bar stake downthehole location placed in the middle.
Background
In water conservancy and hydropower slope engineering, a design drawing often shows a slope support mode of slope anchor bar piles, the anchor bar piles are generally welded by 3 reinforcing steel bars with the diameter of 25 or 28, and the length of the anchor bar piles is usually 10-12 m. The construction method generally comprises the steps of firstly manufacturing the anchor bar pile in a manufacturing plant, and simultaneously drilling holes on the side slope by using drilling machine equipment such as a single-armed drill or a down-the-hole drill, wherein the diameter of the drilled holes is generally required to be about 30-40 mm larger than the diameter of the external tangent of 3 anchor bar piles, grouting pipes and mud return pipes after the anchor bar piles, the grouting pipes and the mud return pipes are bundled, so that the anchor bar piles, the grouting pipes and the mud return pipes can be conveniently inserted and the subsequent grouting mortar is full. After drilling and forming on a side slope, the anchor bar pile is manually inserted into a hole, and small stones are filled in the hole opening to center the anchor bar pile. This type of construction is commonly used, but has the following disadvantages:
1) manually plugging small stones in the hole opening, wherein the anchor bar pile at the hole opening position can only be positioned at the hole opening centering positioning position, the plugged small stones are not always qualified, and the hole opening position cannot be completely centered;
2) even if the dowel of drill way position department has been fixed a position between two parties, however, the general length of dowel all is in 10 ~ 12m scope, and the dowel of so long is owing to all be the reinforcing bar preparation and forms, and the reinforcing bar has certain flexibility under the length of so long, and because the effect of self gravity, more toward downthehole, the dowel will sink more, and the dowel will be attached to the pore wall, not only does not center between two parties, still can bring the degree of difficulty to slip casting pipe, back flow pipe insert. After the anchor bar pile is attached to the hole wall, even if mortar is poured, the anchor bar pile is attached to one side of the hole wall, the mortar is on the other side, the requirement of grouting and wrapping of the mortar in the anchor bar pile in the design drawing is not met, and the purpose of supporting the side slope by the anchor bar pile is lost;
3) the anchor bar pile is made of phi 25 or phi 28 ribbed steel bars, and in the process of manually inserting the ribbed steel bars into the holes, the ribbed steel bars can rub against the hole walls, and part of stone chips can be rubbed off from the hole walls, so that secondary damage can be caused to the formed holes, the formed holes can be blocked due to excessive stone chips, and subsequent grouting pipes and slurry return pipes are difficult to insert.
In another construction mode, the grouting pipe and the grout return pipe are bound with the anchor bar pile in advance and inserted into the hole together, and the grouting pipe and the grout return pipe are made of PVC materials and are often damaged by friction in the inserting process.
In order to solve the problems, the anchor bar pile hole centering positioning device is provided by the inventor.
Disclosure of Invention
An object of the utility model is to provide a device that is used for anchor bar stake downthehole location placed in the middle in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a device that is used for anchor bar stake downthehole location placed in middle, anchor bar stake reinforcing bar is three stacked structure, include the reinforcing bar snap ring of multiunit interval evenly installed on anchor bar stake reinforcing bar, every group reinforcing bar snap ring includes three reinforcing bar snap ring, installs respectively on the same length position of three anchor bar stake reinforcing bars with a set of three reinforcing bar snap ring, and a part of reinforcing bar snap ring is fixed on every anchor bar stake reinforcing bar, and another part and the contact of stake pore wall of reinforcing bar snap ring, anchor bar stake reinforcing bar are arranged in stake hole central point and are put.
Preferably, the included angle between any two adjacent steel bar clamping rings in the same group is 120 degrees.
Preferably, each steel bar clamping ring comprises a bent part and two identical linear parts, two ends of the bent part are respectively connected with one end of each of the two linear parts, and the two linear parts are located on the same straight line; one side of each of the two straight line parts is fixedly connected to the same anchor bar pile steel bar, and the highest point of the bending part is in contact with the wall of the pile hole.
Preferably, the highest point of the bent part of the three steel bar clamping rings in the same group corresponds to the same length position of the steel bars of the three anchor bar piles.
Preferably, the steel bar snap ring is made of round steel.
Preferably, the radius of the connecting transition section of the straight line part and the curved part is 20.5mm, the radius of the curved part is 20.5mm, and the length of the straight line part is 80 mm.
Preferably, every two anchor bar pile reinforcing steel bars, two reinforcing steel bar clamping rings respectively installed on the two anchor bar pile reinforcing steel bars and a section of pile hole wall enclose an insertion space, and the grout return pipe and the grouting pipe are respectively inserted into the pile holes through the two insertion spaces.
The beneficial effects of the utility model reside in that:
the utility model relates to a device for anchor bar pile downthehole location, through making the reinforcing bar snap ring, install the reinforcing bar snap ring, solved anchor bar pile reinforcing bar in the hole can't the condition of location placed in the middle, its reinforcing bar snap ring adopts the round steel preparation, has solved ribbed steel bar friction pore wall, causes the pore wall to destroy the condition; the steel bar clamping ring is designed smoothly, so that the problem that the artificial steel bar pile is difficult to insert is solved; the design of a group of three steel bar clamping rings solves the problems of follow-up slurry return pipes, grouting pipes and mortar pouring reserved spaces.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1. reinforcing steel bars of the anchor bar pile; 2. a slurry return pipe; 3. a grouting pipe; 4. mortar; 5. a steel bar snap ring; 51. a straight portion; 52. a curved portion.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
example 1. as shown in figure 1,
the utility model provides a device that is used for anchor bar stake downthehole location placed in middle, anchor bar stake reinforcing bar 1 is three stacked structure, evenly install reinforcing bar snap ring 5 on anchor bar stake reinforcing bar 1 including the multiunit interval, every group reinforcing bar snap ring 5 includes three reinforcing bar snap ring 5, install respectively on three anchor bar stake reinforcing bar 1's same length position with a set of three reinforcing bar snap ring 5, a part of reinforcing bar snap ring 5 is fixed on every anchor bar stake reinforcing bar 1, another part and the contact of stake pore wall of reinforcing bar snap ring 5, anchor bar stake reinforcing bar 1 arranges stake hole central point in and puts.
Generally, the number of groups of the steel bar clamping rings 5 is selected according to the length of the steel bars 1 of the anchor bar pile, and the longer the length of the steel bars 1 of the anchor bar pile, the more the number of the groups of the steel bar clamping rings 5 are selected, so that the anchor bar pile steel bars 1 are prevented from being bent due to the gravity of the anchor bar pile steel bars 1.
When one anchor bar pile reinforcing steel bar 1 is adopted, the three reinforcing steel bar snap rings 5 in the same group are arranged around the anchor bar pile reinforcing steel bar 1; when the anchor bar pile reinforcing steel bars 1 adopt two or more than two, the quantity of the same group of reinforcing steel bar snap rings 5 is the same as that of the anchor bar pile reinforcing steel bars 1.
Example 2. as shown in figure 1,
this example differs from example 1 in that: the included angle between any two adjacent steel bar clamping rings 5 in the same group is 120 degrees.
The angle is set so as to enable the mounting structure of the anchor bar pile and the steel bar clamping ring 5 to be more stable; when anchor bar pile reinforcing bar 1 inserts the stake hole, can produce the interaction force between reinforcing bar snap ring 5 and the stake hole wall, in order to let this effort around the axle center evenly distributed of anchor bar pile, and make the effort that anchor bar pile received and the reaction force size that reinforcing bar snap ring 5 received the same, so adopt the special angle of this embodiment to lay.
Example 3 the present inventors, as shown in figure 2,
this example differs from example 1 or example 2 in that:
each steel bar clamping ring 5 comprises a bent part 52 and two identical linear parts 51, two ends of the bent part 52 are respectively connected with one ends of the two linear parts 51, and the two linear parts 51 are positioned on the same straight line; one side of each of the two straight portions 51 is fixedly connected to the same anchor pile steel bar 1, and the highest point of the bent portion 52 is in contact with the wall of the pile hole.
Example 4. as shown in figure 1,
this example differs from example 3 in that:
the highest point of the bent part 52 of the three steel bar snap rings 5 in the same group corresponds to the same length position of the steel bars 1 of the three anchor bar piles. The condition that the supporting force of the three anchor bar pile steel bars 1 is unbalanced which is possibly caused by the staggered distribution of the highest points of the bent parts 52 of the three steel bar clamp rings 5 is avoided.
In the case of the example 5, the following examples were conducted,
this example differs from example 4 in that: the steel bar snap ring 5 is made of round steel. The situation that the wall of the hole is damaged due to the fact that ribbed steel bars are selected to rub the wall of the hole is avoided;
example 6. as shown in figure 2,
this example differs from example 5 in that: the radius R3 of the connecting transition section of the straight line part 51 and the curved part 52 is 20.5mm, the radius R2 of the curved part 52 is 20.5mm, the length L4 of the curved part 52 is 67mm, and the length L3 of the straight line part 51 is 80 mm. The steel bar snap ring 5 is made of round steel with the diameter of 6.5 mm. The height L5 of the bending part 52 is 23.8mm, and the diameter L2 of the pile hole is 115 mm; the diameter of each anchor bar pile steel bar 1 is 28 mm;
preferably, a gap L1 is provided between the highest point of the bending part 52 and the pile hole wall, wherein the gap L1 is 5mm, and the gap is provided to facilitate the insertion of the anchor bar pile.
Example 7. as shown in figure 1,
this example differs from example 6 in that: every two anchor bar pile reinforcing bars 1, two reinforcing bar snap rings 5 installed on two anchor bar pile reinforcing bars 1 respectively, a section of pile hole wall enclose an insertion space, and the grout return pipe 2 and the grouting pipe 3 are inserted into the pile hole through the two insertion spaces respectively. The diameters of the slurry return pipe 2 and the slurry injection pipe 3 are both 20 mm.
The utility model discloses a realize anchor bar pile reinforcing bar 1 location placed in the middle in the stake hole through installation reinforcing bar snap ring 5, so, preparation reinforcing bar snap ring 5 earlier, reinforcing bar snap ring 5 adopts the preparation of phi 6.5 round steel, and the preparation can adopt the angle bending machine to carry out standard preparation. Simultaneously, visual stake hole diameter size changes the size of the round steel diameter of reinforcing bar snap ring 5 to make anchor bar stake reinforcing bar 1 who installs positioner placed in the middle additional be in the central point in stake hole all the time and put, but reinforcing bar snap ring 5's form can not change. The front and back of the steel bar clamping ring 5 are provided with straight line parts 51 which are arranged on the anchor bar pile steel bars 1 in a welding mode, and the middle smooth bent parts 52 of the steel bar clamping ring 5 are arranged in a smooth mode so that the anchor bar pile steel bars 1 can be inserted in a manual insertion mode more smoothly without friction and are convenient to insert.
After 5 preparation at reinforcing bar snap ring are accomplished, welded mounting is on every anchor bar pile reinforcing bar 1 promptly, three sets of reinforcing bar snap ring 5 of installation at least, and evenly distributed is in anchor bar pile's preceding, well, three back departments, and after the installation finishes, place on the level ground, can see out anchor bar pile reinforcing bar 1 after 5 installations of three sets of reinforcing bar snap ring of installation whether still be in flagging flexible state, if still be in, promptly at the position that hangs down install a set of reinforcing bar snap ring 5 additional can.
After the steel bar clamping ring 5 is installed, the anchor bar pile is transported to a construction site, and the using method is as follows:
in the manual work is downthehole with anchor bar pile reinforcing bar 1 insertion, the action is slow in the beginning, ensures that the reinforcing bar snap ring 5 of first group foremost inserts the stake drill way smoothly, then can be smooth with whole anchor bar pile reinforcing bar 1 all insert the stake downthehole, and anchor bar pile reinforcing bar 1 is in the downthehole position placed in the middle of the stake, owing to the setting in insertion space, make things convenient for subsequent slurry return pipe 2, slip casting pipe 3 to insert and pour into mortar 4 processes, the final anchor bar pile construction of strutting the side slope finishes, the quality is qualified.
Can also be after the installation positioner placed in the middle, arrange back-grouting pipe 2, slip casting pipe 3 in simultaneously and insert space department and bind with anchor bar pile reinforcing bar 1, insert the stake simultaneously downthehole, back-grouting pipe 2, slip casting pipe 3 can not rub the damage with stake hole wall because its mounted position is special, carry out subsequent 4 work of pouring mortar again, the steel bar pile is placed in the middle, mortar 4 is the state of parcel steel bar pile, plays effectual side slope support effect.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (7)
1. The utility model provides a device that is used for anchor bar stake downthehole location placed in middle, anchor bar stake reinforcing bar is three stacked structure, a serial communication port, include the reinforcing bar snap ring of multiunit interval evenly installed on anchor bar stake reinforcing bar, every group reinforcing bar snap ring includes three reinforcing bar snap ring, install respectively on the same length position of three anchor bar stake reinforcing bars with a set of three reinforcing bar snap ring, a part of reinforcing bar snap ring is fixed on every anchor bar stake reinforcing bar, another part and the contact of stake pore wall of reinforcing bar snap ring, pile hole central point puts is arranged in to anchor bar stake reinforcing bar.
2. A device for centring in a tendon pile bore as claimed in claim 1 wherein: the included angle between any two adjacent steel bar snap rings in the same group is 120 degrees.
3. A device for centring in a tendon pile bore according to claim 1 or 2, characterised in that: each steel bar clamping ring comprises a bending part and two identical linear parts, two ends of the bending part are respectively connected with one end of each linear part, and the two linear parts are located on the same straight line; one side of each of the two straight line parts is fixedly connected to the same anchor bar pile steel bar, and the highest point of the bending part is in contact with the wall of the pile hole.
4. A device for centring in a tendon pile bore as claimed in claim 3 wherein: the highest point of the bent parts of the three steel bar snap rings in the same group corresponds to the same length position of the steel bars of the three anchor bar piles.
5. A device for centring in a tendon pile bore according to claim 4 wherein: the steel bar snap ring is made of round steel.
6. A device for centring in a tendon pile bore according to claim 5 wherein: the radius of the connecting transition section of the straight line part and the bending part is 20.5mm, the radius of the bending part is 20.5mm, and the length of the straight line part is 80 mm.
7. A device for centring in a tendon pile bore according to claim 6, wherein: every two anchor bar pile reinforcing bars, two reinforcing bar snap rings respectively installed on the two anchor bar pile reinforcing bars, and a section of pile hole wall enclose an insertion space, and the grout return pipe and the grouting pipe are respectively inserted into the pile holes through the two insertion spaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666374.5U CN209975518U (en) | 2019-05-10 | 2019-05-10 | Device for centering in anchor bar pile hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666374.5U CN209975518U (en) | 2019-05-10 | 2019-05-10 | Device for centering in anchor bar pile hole |
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| Publication Number | Publication Date |
|---|---|
| CN209975518U true CN209975518U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920666374.5U Active CN209975518U (en) | 2019-05-10 | 2019-05-10 | Device for centering in anchor bar pile hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622978A (en) * | 2021-08-26 | 2021-11-09 | 中国水电基础局有限公司 | Construction process of buried deep support of semi-open and semi-concealed bias tunnel |
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2019
- 2019-05-10 CN CN201920666374.5U patent/CN209975518U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622978A (en) * | 2021-08-26 | 2021-11-09 | 中国水电基础局有限公司 | Construction process of buried deep support of semi-open and semi-concealed bias tunnel |
| CN113622978B (en) * | 2021-08-26 | 2024-05-24 | 中国水电基础局有限公司 | Construction process of semi-bright and semi-dark bias tunnel buried type deep support |
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