CN214784162U - Anchor head structure for anchor rod retaining wall - Google Patents

Anchor head structure for anchor rod retaining wall Download PDF

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Publication number
CN214784162U
CN214784162U CN202121304987.8U CN202121304987U CN214784162U CN 214784162 U CN214784162 U CN 214784162U CN 202121304987 U CN202121304987 U CN 202121304987U CN 214784162 U CN214784162 U CN 214784162U
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China
Prior art keywords
retaining wall
connecting pipe
protective sleeve
anchor
steel
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CN202121304987.8U
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Chinese (zh)
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苗艳茹
吴丹
魏宪平
王聪
孙超
李长彬
张强
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Beijing Geotechnical Engineering Investigation Institute Co ltd
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Beijing Geotechnical Engineering Investigation Institute Co ltd
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Abstract

The application discloses anchor head structure for stock barricade relates to the technical field of ground anchor engineering. The concrete retaining wall comprises a concrete retaining wall, and also comprises a plurality of steel strands, anchorage devices, steel base plates and pad piers; the pad pier is fixedly arranged on the outer side wall of the concrete retaining wall, and the steel pad plate is fixed in the concrete retaining wall by an anchorage device and a steel strand; a connecting pipe is arranged in one end of the pad pier, which is far away from the concrete retaining wall, and one end of the connecting pipe, which is far away from the pad pier, extends out of the pad pier; the steel strand sequentially passes through the steel backing plate, the pad pier and the connecting pipe and extends out of the concrete retaining wall; the exposed part of the steel strand is provided with a protective sleeve, and a connecting assembly is arranged between the protective sleeve and the connecting pipe. The steel strand wires exposed to the outside are effectively protected, the corrosion condition of the steel strand wires exposed to the outside space is greatly reduced, and the service life of the steel strand wires is prolonged.

Description

Anchor head structure for anchor rod retaining wall
Technical Field
The application relates to the technical field of rock and soil anchoring engineering, in particular to an anchor head structure for an anchor rod retaining wall.
Background
The anchor rod retaining wall is a retaining wall constructed by utilizing an anchor rod technology, consists of a reinforced concrete wall surface and an anchor rod, and bears the lateral pressure of a soil body by depending on the horizontal tension of the anchor rod anchored in a rock stratum.
At present, after the construction of the anchor retaining wall is finished, a steel strand with a certain length needs to be reserved on the outer side of the retaining wall so as to compensate tensioning or loosening.
In view of the above-mentioned related technologies, the inventors believe that there is a defect that the steel strand is easily corroded to the outside space after being exposed for a long time, which in turn causes the strength of the steel strand to be reduced.
SUMMERY OF THE UTILITY MODEL
In order to reduce the condition that exposes to the steel strand emergence corrosion of exterior space, improve steel strand's life, this application provides an anchor head structure for stock barricade.
The application provides a pair of anchor head structure for stock barricade adopts following technical scheme:
an anchor head structure for an anchor rod retaining wall comprises a concrete retaining wall, a plurality of steel strands, an anchor, a steel base plate and a pad pier; the pad pier is fixedly arranged on the outer side wall of the concrete retaining wall, and the steel base plate is fixed in the concrete retaining wall by the anchorage device and the steel strand; a connecting pipe is arranged in one end of the pad pier, which is far away from the concrete retaining wall, and one end of the connecting pipe, which is far away from the pad pier, extends out of the pad pier;
the steel strand sequentially penetrates through the steel backing plate, the pad pier and the connecting pipe and extends out of the concrete retaining wall;
the exposed part of steel strand wires is provided with the protective sheath, the protective sheath with be provided with coupling assembling between the connecting pipe.
Through adopting above-mentioned technical scheme, set firmly the connecting pipe in the pad mound, steel strand wires stretch out to the outside along the connecting pipe, and the steel strand wires exposes to outside partial cover and is equipped with the protective sheath to the protective sheath passes through coupling assembling and connecting pipe fixed connection, will expose to outside steel strand wires effective protection, greatly reduced expose to the steel strand wires of exterior space and take place the rusty condition, improved steel strand wires's life.
Preferably, an external thread is arranged on one side of the connecting pipe extending out of the pad pier;
one side of the protective sleeve facing the connecting pipe is provided with an internal thread in threaded connection with the external thread;
the coupling assembling including the external screw thread section on the connecting pipe with internal thread section on the protective sheath.
Through adopting above-mentioned technical scheme, coupling assembling comprises the external screw thread section on by the connecting pipe and the internal thread section on the protective sheath, and protective sheath and connecting pipe threaded connection both are convenient for constructor installation and are convenient for take off the protective sheath, simple and practical, the cost of manufacture is low.
Preferably, a fluorescent strip is arranged on the outer side wall of the protective sleeve.
Through adopting above-mentioned technical scheme, set up the phosphor strip on the protective sheath, the pedestrian bumps to the protective sheath when preventing night, improves the security.
Preferably, the outer side wall of the protective sleeve is sleeved with an anti-collision sponge.
Through adopting above-mentioned technical scheme, when the pedestrian collided to the protective sheath by accident, the anticollision sponge can alleviate the injury of protective sheath to the pedestrian.
Preferably, the connection assembly comprises an annular collar; the annular hoop is a strip-shaped annular plate with an opening at one side; two free ends of the annular hoop are fixedly connected with a connecting plate; the annular hoop is coaxially sleeved at the interface of the connecting pipe and the protective sleeve; and the two connecting plates are fixedly connected through bolts.
Through adopting above-mentioned technical scheme, with protective sheath and connecting pipe butt joint back, locate connecting pipe and protective sheath kneck with the annular clamp cover, use the bolt to fix the annular clamp locking, simple structure is convenient for batch production.
Preferably, the connecting assembly comprises a double hoop comprising two spaced circular rings with one open end; the free ends of the corresponding sides of the two circular rings are simultaneously and fixedly connected with a synchronous plate; the connecting assembly further comprises a limiting bolt for fixing the free end of the double-hoop;
the two circular rings on the double-ring hoop are respectively sleeved on the outer side walls of the connecting pipe and the protective sleeve;
the connecting pipe and the protective sleeve are provided with limiting grooves at positions corresponding to the two circular rings, and the circular rings are accommodated in the limiting grooves.
Through adopting above-mentioned technical scheme, the spacing groove has all been seted up to one that connecting pipe and protective sheath are relative, and the spacing inslot that corresponds position department is located to two annulars cover respectively on the hoop to use spacing bolt to hoop two annulars fixed, spacing groove and annulars combined action restriction protective sheath and connecting pipe along its axis direction sliding separation, further improved the joint strength between connecting pipe and the protective sheath.
Preferably, an inner inserting barrel is coaxially arranged at one end of the protective sleeve facing the connecting pipe; the inner inserting barrel penetrates through the connecting pipe.
Through adopting above-mentioned technical scheme, when connecting pipe and protection package equipment are fixed, insert the connecting pipe earlier with interior cartridge insertion in, the operating personnel of being convenient for is fixed connecting pipe and protective sheath.
Preferably, a positioning sheet is coaxially and fixedly connected in the protective sleeve, and a plurality of positioning holes are formed in the positioning sheet; and the steel strands correspondingly penetrate through the positioning holes.
Through adopting above-mentioned technical scheme, the steel strand wires free end penetrates in the locating hole, and then prevents that a plurality of steel strand wires from twineing each other together.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the connecting pipe is fixedly arranged in the pad pier, the steel strand extends out of the pad pier along the connecting pipe, the part of the steel strand exposed to the outside is sleeved with the protective sleeve, and the protective sleeve is fixedly connected with the connecting pipe through the connecting assembly, so that the steel strand exposed to the outside is effectively protected, the corrosion of the steel strand exposed to the outside space is greatly reduced, and the service life of the steel strand is prolonged;
2. the connecting assembly consists of an external thread section on the connecting pipe and an internal thread section on the protective sleeve, and the protective sleeve is in threaded connection with the connecting pipe, so that the protective sleeve is convenient to install and take down by constructors, and is simple and practical and low in manufacturing cost;
3. the limiting groove has been all seted up on the relative one end of connecting pipe and protective sheath, and the limiting groove that corresponds position department is located to two annulars cover respectively on the hoop to use spacing bolt to fix the hoop of dicyclo, spacing groove and annulars combined action restriction protective sheath and connecting pipe are along its axis direction sliding separation, have further improved the joint strength between connecting pipe and the protective sheath.
Drawings
Fig. 1 is a schematic cross-sectional view of the overall structure of the first embodiment of the present application.
Fig. 2 is a schematic cross-sectional view illustrating a connection relationship between a connection tube and a protective sheath according to a second embodiment of the present application.
Fig. 3 is a schematic view illustrating an overall structure of a connecting assembly according to a second embodiment of the present application.
FIG. 4 is a schematic sectional view showing the connection relationship between the connection tube and the protective sheath in the third embodiment of the present application.
Fig. 5 is a schematic view of an overall structure of a connecting assembly according to a third embodiment of the present application.
Description of reference numerals: 1. a concrete retaining wall; 2. padding a pier; 3. a steel backing plate; 4. an anchorage device; 5. steel strand wires; 6. a connecting pipe; 7. a protective sleeve; 71. anti-collision sponge; 72. a fluorescent strip; 73. positioning a plate; 731. positioning holes; 74. an inner inserting barrel; 8. a connecting assembly; 81. an external threaded section; 82. an internal thread section; 83. an annular band; 84. a connecting plate; 85. a double hoop; 851. a circular ring; 852. a synchronization board; 86. a limit bolt; 9. a limiting groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses anchor head structure for stock barricade.
Example one
Referring to fig. 1, the concrete retaining wall 1 is included, and the concrete retaining wall 1 is poured on the outer side of a mountain soil slope; a pad pier 2 is poured on one side of the concrete retaining wall 1, which is far away from the soil slope, and the pad pier 2 penetrates through one side of the concrete retaining wall 1, which is far away from the soil slope; a steel backing plate 3 is also arranged in the concrete retaining wall 1, and the steel backing plate 3 is arranged close to the pad pier 2; an anchorage device 4 is arranged on one side of the steel base plate 3, which is far away from the pad pier 2, and a plurality of steel strands 5 are anchored on the anchorage device 4; the steel strand 5 sequentially penetrates through the steel base plate 3 and the pad pier 2;
a connecting pipe 6 is fixedly arranged in the pad pier 2, and the connecting pipe 6 penetrates through one end of the pad pier 2, which is far away from the concrete retaining wall 1; the steel strand 5 passes through the pad pier 2 along the connecting pipe 6.
A section of the steel strand 5 positioned on the outer side of the pad pier 2 is sleeved with a protective sleeve 7, the protective sleeve 7 is a cylindrical pipe with an opening at one end, and the inner diameter of the protective sleeve 7 is equal to the outer diameter of the connecting pipe 6; the outer side of the protective sleeve 7 is also sleeved with an anti-collision sponge 71, and the protective sleeve 7 is completely covered by the anti-collision sponge 71; the fluorescent strip 72 is bonded to the outer side of the anti-collision sponge 71, and the fluorescent strip 72 can reflect light at night and shine, so that a pedestrian is reminded to avoid the protective sleeve 7, and the pedestrian is prevented from colliding with the protective sleeve 7 at night.
A connecting component 8 is arranged between the protective sleeve 7 and the connecting pipe 6; the protective sleeve 7 is detachably connected with the connecting pipe 6 through a connecting component 8; an external thread is arranged on the outer side wall of one end, facing the protective sleeve 7, of the connecting pipe 6, and an internal thread in threaded connection with the external thread on the connecting pipe 6 is arranged on the inner side wall of one end, facing the connecting pipe 6, of the protective sleeve 7; the coupling assembly 8 comprises an externally threaded section 81 on the coupling tube 6 and an internally threaded section 82 on the protective casing 7.
The implementation principle of the above embodiment is as follows:
a connecting pipe 6 is fixedly arranged in the pad pier 2, the steel strand 5 extends out of the pad pier 2 along the connecting pipe 6, a protective sleeve 7 is sleeved on the part, exposed to the outside, of the steel strand 5, and the protective sleeve 7 and the connecting pipe 6 are relatively rotated to enable the protective sleeve 7 to be fixed on the connecting pipe 6, so that the steel strand 5 exposed to the outside space is protected; the protective sleeve 7 is sleeved with the anti-collision sponge 71, so that the injury of a pedestrian when the pedestrian collides with the protective sleeve 7 by mistake can be reduced; the outside phosphor strip 72 that sets up of anticollision sponge 71 can effectively remind the pedestrian at night to avoid protective sheath 7.
This application anchor head structure for stock barricade will expose 5 effective protections to outside steel strand wires, greatly reduced expose 5 the condition of taking place the corrosion of steel strand wires to the exterior space, improved 5's of steel strand wires life.
Example two
Referring to fig. 2, an anchor head structure for an anchor retaining wall is different from embodiment 1 in that the outer diameter of a protective sleeve 7 is equal to the outer diameter of a connecting pipe 6, and the inner diameter of the protective sleeve 7 is equal to the inner diameter of the connecting pipe 6; an inner inserting barrel 74 is coaxially and fixedly connected with the opening end of the protective sleeve 7, and the outer diameter of the inner inserting barrel 74 is equal to the inner diameter of the protective sleeve 7; the inner sleeve 74 can be inserted into the connecting tube 6 and the steel strand 5 can be passed through the inner sleeve 74 into the protective sheath 7.
A positioning plate 73 is coaxially and fixedly connected in the protective sleeve 7, and the outer diameter of the positioning plate 73 is equal to the inner diameter of the protective sleeve 7; a plurality of positioning holes 731 are formed in the positioning plate 73, and the plurality of steel strands 5 penetrate through the positioning holes 731 at the corresponding positions one by one, so that the plurality of steel strands 5 are prevented from being twisted together.
With reference to fig. 2 and 3, the connecting assembly 8 includes an annular hoop 83, and the annular hoop 83 is a rectangular annular plate with one side open; the annular hoop 83 is coaxially sleeved outside the interface of the connecting pipe 6 and the protective sleeve 7; the connecting assembly 8 further comprises connecting plates 84 fixed to the two free ends of the annular collar 83, the length of the connecting plates 84 being arranged along the axis of the protective sleeve 7; the two connecting plates 84 are fixedly connected by bolts.
The implementation manner of the above embodiment is as follows:
sleeving the protective sleeves 7 on the steel strands 5, and inserting the steel strands 5 into the positioning holes 731 at the corresponding positions one by one; then, the inner inserting tube 74 is inserted into the connecting tube 6, the annular hoop 83 is sleeved at the interface between the connecting tube 6 and the protecting sleeve 7, and two free ends of the annular hoop 83 are fixed by using bolts, so that the connecting tube 6 and the protecting sleeve 7 are fixed.
EXAMPLE III
With reference to fig. 4 and 5, an anchor head structure for an anchor retaining wall is different from embodiment 2 in that a connecting assembly 8 includes a double hoop 85, the double hoop 85 includes two circular rings 851 with openings, the two circular rings 851 are coaxially arranged at intervals, and two free ends of one side of each of the two circular rings 851 are fixedly connected with a synchronizing plate 852; the coupling assembly 8 further includes two limit bolts 86 that simultaneously secure the two synchronizing plates 852.
Two annulars 851 on the double hoop 85 are respectively sleeved on the connecting pipe 6 and the protective sleeve 7, the connecting pipe 6 and the protective sleeve 7 are respectively provided with a limit groove 9 at the position corresponding to the two annulars 851, the limit groove 9 is a circular groove, the two annulars 851 on the double hoop 85 are respectively accommodated in the limit groove 9, and the width of the limit groove 9 is equal to the width of the annulars 851.
The implementation principle of the above embodiment is as follows:
after the protective sleeve 7 is butted with the connecting pipe 6, the two circular rings 851 on the double-hoop 85 are respectively sleeved in the two limiting grooves 9, and then the two synchronous plates 852 are fixedly connected by the limiting bolts 86; the circular ring 851 is clamped in the limiting groove 9 to effectively limit the separation of the protective sleeve 7 and the connecting pipe 6, and further improve the connecting strength of the connecting pipe 6 and the protective sleeve 7.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An anchor head structure for an anchor rod retaining wall comprises a concrete retaining wall (1), and further comprises a plurality of steel strands (5), an anchorage device (4), a steel base plate (3) and a pad pier (2); the pad pier (2) is fixedly arranged on the outer side wall of the concrete retaining wall (1), and the steel base plate (3) is fixed in the concrete retaining wall (1) by the anchorage device (4) and the steel strand (5); the method is characterized in that: a connecting pipe (6) is arranged in one end of the pad pier (2) departing from the concrete retaining wall (1), and one end of the connecting pipe (6) departing from the pad pier (2) extends out of the pad pier (2);
the steel strand (5) sequentially penetrates through the steel backing plate (3), the pad pier (2) and the connecting pipe (6) and extends out of the concrete retaining wall (1);
the exposed part of steel strand wires (5) is provided with protective sheath (7), protective sheath (7) with be provided with coupling assembling (8) between connecting pipe (6).
2. The anchor head structure for an anchor retaining wall according to claim 1, wherein: an external thread is arranged on one side, extending out of the pad pier (2), of the connecting pipe (6);
one side of the protective sleeve (7) facing the connecting pipe (6) is provided with an internal thread in threaded connection with the external thread;
the connecting assembly (8) comprises an external thread section (81) on the connecting pipe (6) and an internal thread section (82) on the protective sleeve (7).
3. The anchor head structure for an anchor retaining wall according to claim 1, wherein: and a fluorescent strip (72) is arranged on the outer side wall of the protective sleeve (7).
4. The anchor head structure for an anchor retaining wall according to claim 1, wherein: the outer side wall of the protective sleeve (7) is sleeved with an anti-collision sponge (71).
5. The anchor head structure for an anchor retaining wall according to claim 1, wherein: the connection assembly (8) comprises an annular collar; the annular hoop is a strip-shaped annular plate with an opening at one side; two free ends of the annular hoop are fixedly connected with a connecting plate (84); the annular hoop is coaxially sleeved at the interface of the connecting pipe (6) and the protective sleeve (7); the two connecting plates (84) are fixedly connected through bolts.
6. The anchor head structure for an anchor retaining wall according to claim 1, wherein: the connecting assembly (8) comprises a double hoop (85), and the double hoop (85) comprises two circular rings (851) which are arranged at intervals and are open at one end; the free ends of one side corresponding to the two circular rings (851) are fixedly connected with synchronous plates (852) at the same time; the connecting component (8) also comprises a limiting bolt (86) for fixing the free end of the double hoop (85);
the two circular rings (851) on the double hoop (85) are respectively sleeved on the outer side walls of the connecting pipe (6) and the protective sleeve (7);
the connecting pipe (6) and the protective sleeve (7) are provided with limit grooves (9) at positions corresponding to the two circular rings (851), and the circular rings (851) are accommodated in the limit grooves (9).
7. The anchor head structure for an anchor retaining wall according to claim 5, wherein: an inner inserting barrel (74) is coaxially arranged at one end, facing the connecting pipe (6), of the protective sleeve (7); the inner inserting barrel (74) is arranged in the connecting pipe (6) in a penetrating mode.
8. The anchor head structure for an anchor retaining wall according to claim 5, wherein: a positioning sheet is coaxially and fixedly connected in the protective sleeve (7), and a plurality of positioning holes (731) are formed in the positioning sheet; the steel strands (5) correspondingly penetrate through the positioning holes (731).
CN202121304987.8U 2021-06-10 2021-06-10 Anchor head structure for anchor rod retaining wall Active CN214784162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121304987.8U CN214784162U (en) 2021-06-10 2021-06-10 Anchor head structure for anchor rod retaining wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121304987.8U CN214784162U (en) 2021-06-10 2021-06-10 Anchor head structure for anchor rod retaining wall

Publications (1)

Publication Number Publication Date
CN214784162U true CN214784162U (en) 2021-11-19

Family

ID=78712113

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121304987.8U Active CN214784162U (en) 2021-06-10 2021-06-10 Anchor head structure for anchor rod retaining wall

Country Status (1)

Country Link
CN (1) CN214784162U (en)

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