CN217053348U - Cylindrical rotary anchor and anchoring structure - Google Patents

Cylindrical rotary anchor and anchoring structure Download PDF

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Publication number
CN217053348U
CN217053348U CN202220738049.7U CN202220738049U CN217053348U CN 217053348 U CN217053348 U CN 217053348U CN 202220738049 U CN202220738049 U CN 202220738049U CN 217053348 U CN217053348 U CN 217053348U
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CN
China
Prior art keywords
anchor
anchor cup
cylindrical
cup
concrete structure
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Expired - Fee Related
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CN202220738049.7U
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Chinese (zh)
Inventor
叶晓明
陈柏林
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Chongqing Daheng Engineering Design Co Ltd
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Chongqing Daheng Engineering Design Co Ltd
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Priority to CN202220738049.7U priority Critical patent/CN217053348U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a cylindrical rotatory ground tackle and anchor structure, including stock and anchor cup, still include with the cylindrical supporting body of anchor cup looks adaptation, but cylindrical supporting body axial normal running cooperation is in the arc recess of anchor cup, the stock passes cylindrical supporting body and through the retaining member anchor on cylindrical supporting body. The anchor cup of the anchoring structure is fixed in the concrete structure, the bell mouth of the anchor cup is arranged towards the inner side of the concrete structure, and the arc-shaped groove of the anchor cup is arranged towards the outer side of the concrete structure. The utility model has the advantages of easy implementation, reliable quality, low cost, short construction period, batch production, suitability for assembled structures and the like.

Description

Cylindrical rotary anchorage device and anchoring structure
Technical Field
The utility model belongs to the technical field of the slope engineering anchor, concretely relates to cylindrical rotatory ground tackle and adopt anchor structure of this ground tackle.
Background
Anchor rods and anchor cables are the most common supporting means in slope engineering, and in pile-anchor retaining walls and fabricated anchor rod retaining walls, the conditions that concrete structures are constructed firstly, anchor rods and anchor cables are constructed later and the connection of the anchor rods and the anchor rods with the concrete structures is a problem to be solved. In the traditional scheme, the outer anchor is additionally arranged on a constructed concrete structure, and then an anchor rod and an anchor cable are effectively anchored on the outer anchor. The drawbacks of this conventional method are: because the angles of the side slope, the anchor rod and the anchor cable are changed all the time, a fixed standard outer anchor mode cannot be formed; the connection of the external anchor blocks and the constructed concrete structure requires the planting of bars or the chiseling of the existing structure, has certain damage to the existing structure and increases the cost; the consolidation of the outer anchored concrete needs time, the construction period is greatly influenced, and the temporary and stable potential safety hazard in the construction period exists. Another method is to use steel members as the outer anchors, which can reduce the concrete consolidation time of the outer anchors for a short period of time, but the other aforementioned disadvantages still exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cylindrical rotatory ground tackle and adopt anchor structure of this ground tackle provides safer, more economic, more effective anchor product and anchor structure for slope engineering supporting method.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A cylindrical rotary anchor comprising an anchor rod (or anchor cable) and an anchor cup, wherein: the anchor rod (or the anchor cable) passes through the cylindrical bearing body and is anchored on the cylindrical bearing body through a locking piece. The cylindrical supporting body of the utility model refers to that the radial section of the supporting part is a complete circle or a non-complete circle (with a partial circular arc).
Preferably, the arc surface of the cylindrical bearing body is matched with the arc groove wall surface of the anchor cup, and the arc part of the cylindrical bearing body can flexibly and vertically rotate in the arc groove.
Further, the arc recess rear portion of anchor cup is provided with the horn mouth, stock (or anchor rope) pass the horn mouth with the arc recess of anchor cup, stock (or anchor rope) can be in the horn mouth of anchor cup deflects, avoids cylindrical supporting body to be in stock (or anchor rope) receive the restriction when rotating according to design angle in the cylindrical recess of anchor cup.
The utility model provides an adopt anchor structure of aforementioned cylindrical rotatory ground tackle which characterized in that: the anchor cup is fixed in the concrete structure, the bell mouth of the anchor cup is arranged towards the inner side of the concrete structure, and the arc-shaped groove of the anchor cup is arranged towards the outer side of the concrete structure.
Further, an anchor head closing body is arranged outside the anchor cup and the cylindrical bearing body.
Preferably, the outer end face of the anchor cup is flush with the outer end face of the concrete structure, or the outer end face of the anchor cup protrudes outwards relative to the outer end face of the concrete structure. Further, the cylindrical carrier has a flat surface arranged along the axial direction to facilitate mounting of the locking member.
Has the advantages that: the cylindrical rotary anchorage device provided by the utility model can meet the vertical rotation requirements of various angles between an anchor rod (or an anchor cable) and a concrete structure (the rotation in the direction is the main rotation direction of the anchor rod and the anchor cable), can be used as various types of standard anchorage device products, and is convenient for industrial batch production; by adopting the cylindrical rotary anchor provided by the utility model, the situation of manual operation of the traditional anchor can be ended fundamentally, and the cylindrical rotary anchor has a series of advantages of reliable quality, standard product, reduced cost, short construction period, easy implementation, simple construction process and the like; in many cases, the cylindrical anchor cup can be pre-embedded in a concrete structure, so that a series of problems of connection of the anchor cup and the concrete structure in the traditional method and damage to the existing concrete structure are avoided; under the condition of a post-positioned cylindrical anchor cup, the base of the cylindrical anchor cup is parallel to the concrete structure, so that the cylindrical anchor cup is simply connected with the concrete structure, and the existing concrete structure is rarely damaged. In a word, the utility model has the advantages of construction simple process, easy to carry out, the quality is reliable, the cost is low, the time limit for a project is short, but batch production, be suitable for assembled structure etc.
Drawings
FIG. 1 is a schematic elevational view of an anchoring structure employing a cylindrical rotary anchor according to an embodiment;
FIG. 2 is a schematic cross-sectional view of an anchoring structure using a cylindrical rotary anchor according to an embodiment;
FIG. 3 is a schematic view of a cylindrical bearing body using an embodiment of the cylindrical rotary anchor, this view only illustrating a non-full-circle cylindrical bearing body;
FIG. 4 is a schematic sectional view of an anchoring structure in example 1;
FIG. 5 is a schematic sectional view of an anchoring structure in example 2;
in the figure: 1-cylindrical supporting body, 2-anchor cup, 3-anchor rod or anchor cable, 4-locking piece, 5-concrete structure, 6-concrete member preformed hole, 7-anchor head closing body, 8-anchor head closing concrete, 9-fixed steel bar and 10-horn mouth of anchor cup.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the following description of the embodiments is only for the purpose of helping understanding the principle and the core idea of the present invention, and is not intended to limit the scope of the present invention. It should be noted that modifications to the present invention may occur to those skilled in the art without departing from the principles of the present invention and are intended to fall within the scope of the appended claims.
Referring to fig. 1 to 5, a cylindrical rotary anchor comprises an anchor rod 3 and an anchor cup 2, and further comprises a cylindrical bearing body 1 matched with the anchor cup 2, wherein the cylindrical bearing body 1 is axially and rotatably matched in an arc-shaped groove of the anchor cup 2, and the anchor rod 3 penetrates through the cylindrical bearing body 1 and is anchored on the cylindrical bearing body 1 through a locking piece 4. The arc surface of the cylindrical bearing body 1 is matched with the arc groove wall surface of the anchor cup 2, and the arc part of the cylindrical bearing body 1 can flexibly and vertically rotate in the arc groove. The arc recess rear portion of anchor cup 2 is provided with horn mouth 10, and stock 3 passes the arc recess of horn mouth 10 and anchor cup 2, and stock 3 can deflect in the horn mouth 10 of anchor cup 2.
Example 1
Engineering profile: a vertical rock slope project is provided, the stability cannot meet the standard requirement, and slope support is required. After analysis, an assembly type anchor rod supporting scheme is adopted.
The implementation steps are as follows:
step 11, prefabricating a concrete structure 5 (point anchor block) according to a design, embedding an anchor cup 2 in the concrete structure 5, arranging a concrete member preformed hole 6 in the concrete structure 5 according to the design, and maintaining the concrete structure 5 for later use;
step 12, constructing the anchor rod 3 according to the design, and grouting an anchor hole;
step 13, after the anchor hole grouting reaches the design strength, the cylindrical bearing body 1 is arranged in a cylindrical anchor cup 2 on the precast concrete structure 5, then the precast concrete structure 5 is integrally hoisted, the anchor rod 3 penetrates through the concrete member preformed hole 6, and the vertical angle of the cylindrical bearing body 1 is adjusted, so that the anchor rod 3 penetrates through the cylindrical bearing body 1 and extends out by a design length;
step 14, sleeving an anchor rod fixing bolt (namely a locking piece 4) at the end of the anchor rod 3, screwing the anchor rod fixing bolt, and applying the rotating force of the anchor rod fixing bolt according to the design requirement to ensure that the anchor rod has certain prestress, and finishing anchoring;
step 15, enclosing the whole outer anchor head by using a finished anchor head sealing template (namely the anchor head sealing body 7), pouring anchor head sealing concrete 8, and finishing the construction of a single anchor rod 3, as shown in figure 4;
and step 16, constructing all the anchor rods 3 according to the method of the steps 12-15 until the construction is finished.
Example 2
Engineering profile: in the vertical rock slope engineering, the stability cannot meet the standard requirement, and slope support is required. After analysis, a pile and anchor cable supporting scheme is adopted.
Carrying out the step
Step 21, constructing an anti-slide pile, namely the concrete structure 5, according to the design;
step 22, after the concrete structure 5 meets the strength requirement, excavating the soil in front of the pile to the position of the first row of anchor cables 3 according to the requirement of a design reverse construction method, implementing the anchor cables 3, and grouting anchor holes;
step 23, chiseling a reinforcement protection layer of the concrete structure 5 at an anchor hole outlet of the concrete structure 5, placing the cylindrical bearing body 1 into the cylindrical anchor cup 2, adjusting the vertical angle of the cylindrical bearing body 1 according to the direction of the anchor cable, then penetrating the anchor cable through the hole in the cylindrical bearing body 1 and extending out a designed length, at the moment, flatly placing the cylindrical anchor cup 2 at the position of the concrete structure 5 where the reinforcement protection layer is removed, obtaining a cylindrical anchor cup fixing reinforcement 9 through a reinforcement planting method, and fixing the cylindrical anchor cup 2 on the outer surface of the concrete structure 5;
step 24, after the anchor hole grouting reaches the designed strength, penetrating the anchor cable 3 through an anchor cup (namely a locking piece 4), placing the anchor cup (namely the locking piece 4) on the inclined plane of the cylindrical bearing body 1, tensioning the anchor cable 3 according to the design requirement, and locking the anchor cable according to the required prestress;
step 24, enclosing the whole outer anchor head by using a finished anchor head sealing template (namely the anchor head sealing body 7), pouring anchor head sealing concrete 8, and finishing the construction of a single anchor cable, wherein the step is shown in figure 5;
and 25, constructing all the anchor cables 3 according to the method in the steps 22-24 until the construction is finished.

Claims (7)

1. The utility model provides a cylindrical rotatory ground tackle, includes stock (3) and anchor cup (2), its characterized in that: the anchor rod fixing device is characterized by further comprising a cylindrical bearing body (1) matched with the anchor cup (2), the cylindrical bearing body (1) can be axially and rotatably matched in the arc-shaped groove of the anchor cup (2), and the anchor rod (3) penetrates through the cylindrical bearing body (1) and is anchored on the cylindrical bearing body (1) through a locking piece (4).
2. The cylindrical rotary anchor of claim 1, wherein: the arc surface of the cylindrical bearing body (1) is matched with the arc groove wall surface of the anchor cup (2), and the arc part of the cylindrical bearing body (1) can vertically rotate in the arc groove.
3. A cylindrical rotary anchor according to claim 1 or claim 2, wherein: the arc recess rear portion of anchor cup (2) is provided with horn mouth (10), stock (3) pass horn mouth (10) with the arc recess of anchor cup (2), stock (3) can deflect in horn mouth (10) of anchor cup (2).
4. An anchoring structure using the cylindrical rotary anchor according to any one of claims 1 to 3, wherein: the anchor cup (2) is fixed in the concrete structure (5), the bell mouth (10) of the anchor cup (2) is arranged towards the inner side of the concrete structure (5), and the arc-shaped groove of the anchor cup (2) is arranged towards the outer side of the concrete structure (5).
5. The anchoring structure according to claim 4, wherein: an anchor head closing body is arranged outside the anchor cup (2) and the cylindrical bearing body (1).
6. The anchoring structure according to claim 5, wherein: the outer end face of the anchor cup (2) is flush with the outer end face of the concrete structure (5), or the outer end face of the anchor cup (2) protrudes outwards relative to the outer end face of the concrete structure (5).
7. The anchoring structure according to claim 6, wherein: the cylindrical supporting body (1) is provided with a plane arranged along the axial direction.
CN202220738049.7U 2022-03-31 2022-03-31 Cylindrical rotary anchor and anchoring structure Expired - Fee Related CN217053348U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220738049.7U CN217053348U (en) 2022-03-31 2022-03-31 Cylindrical rotary anchor and anchoring structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220738049.7U CN217053348U (en) 2022-03-31 2022-03-31 Cylindrical rotary anchor and anchoring structure

Publications (1)

Publication Number Publication Date
CN217053348U true CN217053348U (en) 2022-07-26

Family

ID=82468343

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220738049.7U Expired - Fee Related CN217053348U (en) 2022-03-31 2022-03-31 Cylindrical rotary anchor and anchoring structure

Country Status (1)

Country Link
CN (1) CN217053348U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20220726