CN218509520U - Bottom pressure bearing type mechanism for anchoring and anchoring device with same - Google Patents
Bottom pressure bearing type mechanism for anchoring and anchoring device with same Download PDFInfo
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- CN218509520U CN218509520U CN202220658804.0U CN202220658804U CN218509520U CN 218509520 U CN218509520 U CN 218509520U CN 202220658804 U CN202220658804 U CN 202220658804U CN 218509520 U CN218509520 U CN 218509520U
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Abstract
A bottom pressure bearing type mechanism for anchoring and an anchoring device with the same are provided, and the mechanism comprises: the first bearing plate is provided with a first connecting through hole; one end of the first supporting part is arranged on the first bearing plate, and the first supporting part is communicated with the first connecting through hole; the first cover body is arranged at one end of the first supporting part, which is far away from the first bearing plate; the first cover body is provided with a first connecting through hole which is communicated with the first connecting through hole through the first supporting part; the grouting opening is arranged on the first cover body; an air outlet disposed on the first cover body. The application provides a technical scheme, the resistance to plucking anchor power that can effectual improvement stock improves the application scope of stock.
Description
Technical Field
The utility model relates to a bottom pressure-bearing type mechanism for anchoring, belonging to the technical field of building; the utility model discloses still relate to an anchor.
Background
The anchor rod is the most basic component of roadway support in the contemporary coal mine, and the anchor rod reinforces the surrounding rocks of the roadway together to support the surrounding rocks per se. The anchor rod is not only used in mines, but also in engineering technology, and is used for reinforcing main bodies of slopes, tunnels and dams. The anchor rod is used as a tension member penetrating into the stratum, one end of the anchor rod is connected with an engineering structure, the other end of the anchor rod penetrates into the stratum, the whole anchor rod is divided into a free section and an anchoring section, the free section is an area for transmitting the tension at the head of the anchor rod to an anchoring body, and the anchor rod is used for applying prestress to the anchor rod.
In the prior art, the anchor rod is generally combined with the surrounding concrete to form a calculus structure body only by arranging the bearing plate at the bottom, the structure body is supported by a soil layer or a rock stratum at the opening of the pit to form an anchoring force, and the scheme has the problems of weak anchoring force and unstable anchoring force.
Therefore, how to provide a bottom pressure bearing type mechanism for anchoring can effectively improve the uplift anchoring force of the anchor rod and improve the application range of the anchor rod.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art, the utility model aims to provide a resistance to plucking anchor power that can effectual improvement stock improves the application scope of stock. The utility model provides a bottom pressure-bearing type mechanism for anchor, this mechanism includes: the first bearing plate is provided with a first connecting through hole; one end of the first supporting part is arranged on the first pressure bearing plate, and the first supporting part is communicated with the first connecting through hole; the first cover body is arranged at one end of the first supporting part, which is far away from the first bearing plate; the first cover body is provided with a first connecting through hole which is communicated with the first connecting through hole through the first supporting part; the grouting opening is arranged on the first cover body; an air outlet arranged on the first cover body.
According to a first embodiment of the present invention, there is provided a bottom pressure-bearing type mechanism for anchoring:
a bottom pressure-bearing type mechanism for anchoring, the mechanism comprising: the first bearing plate is provided with a first connecting through hole; one end of the first supporting part is arranged on the first pressure bearing plate, and the first supporting part is communicated with the first connecting through hole; the first cover body is arranged at one end of the first supporting part, which is far away from the first bearing plate; the first cover body is provided with a first connecting through hole which is communicated with the first connecting through hole through the first supporting part; the grouting opening is arranged on the first cover body; an air outlet arranged on the first cover body.
Further, as a more preferable embodiment of the present invention, the mechanism further includes: a pouch;
the bag cover is arranged on the outer sides of the first pressure bearing plate and the first supporting part, and the opening of the bag is connected with the first cover body in a sealing mode.
Further, as a more preferred embodiment of the present invention, the mechanism further comprises: and the grouting pipe is communicated with an external concrete source and penetrates through the grouting opening.
Further, as a more preferred embodiment of the present invention, the mechanism further comprises: the first support structure is used for stably supporting the external concrete between the first bearing plate and the first cover body; one end of the first supporting structure is connected with the first bearing plate, and the other end of the first supporting structure is connected with the first cover body.
Further, as a more preferred embodiment of the present invention, the first support structure is a spiral structure, the first support structure is spirally arranged at the outer side of the first support portion between the first bearing plate and the first cover body.
Further, as a more preferable embodiment of the present invention, the first support structure is a straight bar structure, and is a plurality of the first support structure is provided in a circumferential direction of a rotation shape in an outer side of the first support structure.
Further, as a more preferable embodiment of the present invention, a third connecting through hole is provided on the first supporting part, and the third connecting through hole is used for communicating the inside of the first supporting part with the outside; the third connecting through holes are arranged on the first supporting part.
Further, as a more preferable embodiment of the present invention, the first bearing plate is a steel disc; the first supporting part is a steel pipe.
Further, as a more preferred embodiment of the present invention, the first support part 2 includes: a plurality of bracing pieces, the bracing piece sets up each other horizontally, just the bracing piece sets up along annular array.
According to a second embodiment of the present invention, there is provided an anchoring device:
an anchoring device, the anchoring device comprising: an anchor rod; the bottom pressure-bearing type mechanism for anchoring of the first embodiment; the anchor rod sequentially penetrates through the first cover body, the first supporting part and the first bearing plate; the anchor rod is connected with the first bearing plate.
Further, as a more preferred embodiment of the present invention, the anchoring device further includes: the corrugated pipe is sleeved on the outer side of the anchor rod.
Compared with the prior art, the technical scheme provided by the application. One end of the first supporting part is connected with the center of the first bearing plate, the other end of the first connecting plate is connected with the center of the first cover body, and the external anchor rod penetrates through the first cover body and the first supporting part to be connected with the first bearing plate, so that the whole anchoring device is formed. In this anchor, first lid is used for being connected with the bag for in actual construction, the concrete can condense at the front end of first bearing plate, improves the withdrawal resistance of whole stock. The application provides a technical scheme, the resistance to plucking anchor power that can effectual improvement stock improves the application scope of stock.
Drawings
Fig. 1 is a schematic overall structure diagram of a bottom pressure-bearing type mechanism for anchoring according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the first cover in the embodiment of the present invention;
fig. 3 is a schematic structural view of a first bearing plate according to an embodiment of the present invention;
fig. 4 is a schematic view showing the overall structure of an anchoring device according to a second embodiment of the present invention.
Reference numerals are as follows:
an anchor body A1; a first bearing plate 1; a first connection via 101; a first support section 2; a third connecting through-hole 201; a first lid body 3; a second connecting through hole 301; a grouting port 4; a grouting pipe 401; an exhaust port 5; a pouch 6; a first support structure 7.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
According to a first embodiment of the present invention, there is provided a bottom pressure-bearing type mechanism for anchoring:
a bottom pressure-bearing type mechanism for anchoring, the mechanism comprising: the bearing device comprises a first bearing plate 1, wherein a first connecting through hole 101 is formed in the first bearing plate 1; one end of the first support part 2 is arranged on the first pressure bearing plate 1, and the first support part 2 is communicated with the first connection through hole 101; the first cover body 3 is arranged at one end of the first support part 2, which is far away from the first pressure bearing plate 1; a second connecting through hole 301 is formed in the first cover 3, and the second connecting through hole 301 is communicated with the first connecting through hole 101 through the first support part 2; a grouting port 4 provided in the first cover 3; and an air outlet 5 provided in the first lid 3.
The application provides a technical scheme that is used for bottom pressure-bearing type mechanism of anchor. According to the technical scheme, one end of the first supporting portion is connected with the center of the first bearing plate, the other end of the first connecting plate is connected with the center of the first cover body, and the external anchor rod penetrates through the first cover body and the first supporting portion to be connected with the first bearing plate, so that the whole anchoring device is formed. In this anchor, first lid is used for being connected with the bag for in actual construction, the concrete can condense at the front end of first bearing plate, improves the withdrawal resistance of whole stock. The application provides a technical scheme, the resistance to plucking anchor power that can effectual improvement stock improves the application scope of stock.
It should be noted that the first bearing plate is used for connecting with an external anchor rod.
It should be added that the pulling force of the top of the anchor rod is directly transmitted to the anchor bottom bearing plate (the first bearing plate) through the rod body, then transmitted to the calculus structural body (in the capsule) through the bearing plate (the first bearing plate) (the calculus structural body is formed by pouring concrete into the capsule bag), and then the interaction of the calculus structural body and the deep rock body at the bottom of the hole generates the anchoring force. The stress of the anchor bottom structure body is that two ends are pressed, the anchoring force of the pressure type anchor rod is not only from the frictional resistance of the soil body at the periphery of the anchoring section and the compressive resistance of the rock-soil body at the front end of the expanding head to the expanded head stone grouting body, but also more importantly, the anchor bottom stone structure body is influenced by the Poisson effect to generate the extrusion force of transverse extrusion deformation under the condition that the two ends are pressed, and the extrusion force is synchronously increased along with the increase of the tensile force of the rod body. As long as the compressive strength of the deep rock-soil body is stable, the anti-pulling effect of the anchor rod cannot be damaged unless the reinforcing steel bars are pulled apart or the deep rock-soil body is unstable.
Specifically, in the embodiment of the present invention, the mechanism further includes: a pouch 6; the bag 6 covers the first pressure bearing plate 1 and the first supporting part 2, and an opening of the bag 6 is hermetically connected with the first cover 3.
Note that, the concrete structure (stone structure) can be visually formed at the bottom of the pressure bearing plate by the bladder.
Specifically, in the embodiment of the present invention, the mechanism further includes: and the grouting pipe 401 is communicated with an external concrete source, and the grouting pipe 401 is arranged on the grouting opening 4 in a penetrating mode.
It should be noted that, through the slip casting pipe, the concrete slurry is filled in the bag more uniformly.
Specifically, in the embodiment of the present invention, the mechanism further includes: a first support structure 7, wherein the first support structure 7 is used for stably supporting the external concrete between the first bearing plate 1 and the first cover body 3; one end of the first supporting structure 7 is connected to the first bearing plate 1, and the other end of the first supporting structure 7 is connected to the first cover 3.
Specifically, in the embodiment of the present invention, the first supporting structure 7 is a spiral structure, and the first supporting structure 7 is spirally disposed on the outer side of the first supporting portion 2 between the first bearing plate 1 and the first cover 3.
It should be noted that, in this embodiment, the first supporting structure is a steel bar spirally arranged in a spiral manner. The concrete structure of the first bearing plate in the stress direction can be stabilized. The condition that the anchor rod fails because a concrete structure (a stone structure body) is crushed due to the Poisson effect is prevented.
Specifically, in the embodiment of the present invention, the first supporting structure 7 is a straight bar structure, and the first supporting structure 7 is a plurality of rotating structures circumferentially disposed on the outer side of the first supporting portion 2.
It should be noted that, in this embodiment, although the first supporting structure is a straight rod type, the plurality of first supporting structures are arranged at the edges of the first bearing plate and the first cover body along the circumferential direction, and the plurality of first supporting structures are arranged in a spiral shape, that is, the plurality of first supporting structures form a "thin waist", so as to further improve the structural strength of the concrete structure and increase the anti-pulling anchoring force of the anchor rod.
Specifically, in the embodiment of the present invention, a third connecting through hole 201 is disposed on the first supporting portion 2, and the third connecting through hole 201 is used for communicating the inside and the outside of the first supporting portion 2; a plurality of the third connecting through holes 201 are arranged on the first supporting part 2.
It should be noted that, after the concrete is poured, the concrete is firmly combined with the first supporting part by being invaded into the first supporting part through the third connection, and then the anti-pulling anchoring force of the whole anchor rod is improved.
Specifically, in the embodiment of the present invention, the first bearing plate 1 is a steel disc; the first support part 2 is a steel pipe.
Specifically, in the embodiment of the present invention, the first supporting portion 2 includes: the support rods are horizontally arranged with each other and arranged along an annular array.
It should be noted that the first supporting portion includes a plurality of embodiments:
in a first embodiment, the first support is a tubular structure, and the outer anchor body passes through the connecting cap, the first support and is connected to the first bearing plate.
In a second embodiment, the first supporting part comprises a plurality of supporting rods which are horizontally arranged along an annular array, and the number of the supporting rods is 2-100; preferably, the number of the supporting rods is 2-10; more preferably, the number of the support rods is 3.
Further, in a second embodiment, a plurality of the support rods form a multi-layer concentric annular array. That is, the plurality of support rods constitute a multi-layered annular cylindrical structure.
According to a second embodiment of the present invention, there is provided an anchoring device:
an anchoring device, the anchoring device comprising: the anchoring device comprises an anchoring main body A1, wherein the anchoring main body A1 is an anchor rod/an anchor cable; a bottom pressure-bearing type mechanism for anchoring of the first embodiment; the anchoring main body A1 sequentially penetrates through the first cover body 3, the first supporting part 2 and the first bearing plate 1; the anchor body A1 is connected to the first bearing plate 1.
It should be noted that, in this solution, the anchoring device includes three embodiments: in the first embodiment, the anchor rod is connected with a bottom pressure-bearing mechanism; in a second embodiment, the anchor cable is connected with a bottom pressure-bearing mechanism; in a third embodiment, the anchor rod and cable combination is connected to a bottom pressure type mechanism. Through the three embodiments, the requirements of different constructions can be met.
Specifically stated, in the embodiment of the present invention, the anchoring device further includes: the corrugated pipe is sleeved on the outer side of the anchoring main body A1.
It needs to be supplemented to be noted that firstly, the whole length of the anchor rod body is coated with anticorrosive paint and is integrally sleeved and isolated by a PVC corrugated plastic pipe; secondly, sleeving a bottom cage into the bottom of the anchor rod body, fixing the bottom surface of the pressure-bearing steel plate by using a high-strength nut, and then sealing and locking two ends of the bag on the anchor rod; thirdly, forming an anchor bottom structure (a stone structure) by a pressure-bearing steel plate (a first pressure-bearing plate), a spiral steel bar (a first supporting structure), a bag and grout injected in the bag of the combination, wherein the anchor bottom structure and the deep rock soil body jointly act to generate anchoring force; fourthly, the tension force at the top end of the anchor rod is directly transmitted to the bearing plate at the bottom of the anchor, and then is transmitted to the structural body at the bottom of the anchor by the bearing plate.
It needs to be supplemented that, firstly, a bottom pressure-bearing steel plate (a first pressure-bearing plate) and a top capping groove (a first cover body) are formed by welding and fixing in a centering way by using an intermediate framework connecting steel pipe (a first supporting part); secondly, placing the spiral steel bars between the bottom pressure-bearing steel plate and the top cover groove; thirdly, the grouting pipe is inserted into the spiral rib 800 (from the bottom pressure-bearing steel plate 200) from the top cover groove, and the top cover groove 50 is exposed at the top of the pipe; fourth, the exhaust pipe interface exposes a top cover slot 50; fifthly, the bag is placed at the outermost side of the assembly, and both ends of the bag are sealed and fixed.
Example 1
A bottom pressure-bearing type mechanism for anchoring, the mechanism comprising: the bearing device comprises a first bearing plate 1, wherein a first connecting through hole 101 is formed in the first bearing plate 1; one end of the first support part 2 is arranged on the first bearing plate 1, and the first support part 2 is communicated with the first connecting through hole 101; the first cover body 3 is arranged at one end of the first support part 2, which is far away from the first pressure bearing plate 1; a second connecting through hole 301 is formed in the first cover 3, and the second connecting through hole 301 is communicated with the first connecting through hole 101 through the first support part 2; a grouting port 4 provided in the first cover 3; and an exhaust port 5 provided in the first lid 3.
Example 2
Example 1 is repeated except that the mechanism further comprises: a pouch 6; the bag 6 covers the outer sides of the first pressure bearing plate 1 and the first supporting part 2, and the opening of the bag 6 is hermetically connected with the first cover body 3; the mechanism further comprises: and the grouting pipe 401 is communicated with an external concrete source, and the grouting pipe 401 is arranged on the grouting opening 4 in a penetrating mode.
Example 3
Example 1 is repeated except that the mechanism further comprises: the first supporting structure 7 is used for stably supporting the external concrete between the first bearing plate 1 and the first cover body 3 by the first supporting structure 7; one end of the first supporting structure 7 is connected to the first bearing plate 1, and the other end of the first supporting structure 7 is connected to the first cover 3.
Example 4
Example 5
Example 6
Example 7
Example 8
An anchoring device, the anchoring device comprising: the anchoring device comprises an anchoring main body A1, wherein the anchoring main body A1 is an anchor cable; the bottom pressure-bearing type mechanism for anchoring of the first embodiment; the anchor rod A1 sequentially penetrates through the first cover body 3, the first supporting part 2 and the first bearing plate 1; the anchor rod A1 is connected with the first bearing plate 1.
Example 9
An anchoring device, the anchoring device comprising: the anchoring device comprises an anchoring body A1, wherein the anchoring body A1 is an anchor rod; a bottom pressure-bearing type mechanism for anchoring of the first embodiment; the anchor cable A1 sequentially penetrates through the first cover body 3, the first supporting part 2 and the first bearing plate 1; the anchor cable A1 is connected with the first bearing plate 1.
Example 10
Example 8 was repeated except that the anchoring device further included: the corrugated pipe is sleeved on the outer side of the anchoring main body A1.
Example 1 was used: firstly, a bottom pressure-bearing steel plate: round, phi 160, thickness 40, middle preformed hole phi 45; the top cover groove: the outer diameter phi 160, the thickness 3, the groove depth 25 and the middle preformed hole phi 45; the middle framework is connected with a steel pipe: phi 45 in inner diameter, 1000 in length and phi 30 holes distributed in a shape of a whole plum blossom; middle spiral thread reinforcing steel bar: the steel bar phi 6, the spiral diameter phi 150, the spiral space 40 and the spiral total height 1000; outer layer of the bag: the material of the bag is geotextile, the length of the bag is 1200, the diameter of the opened state of the bag is 500, 600, 700, 800, 900, 1000 and the like with different specifications, and the diameter of the bag opening at two ends is 170 x the length is 120; arranging a grouting pipe inside: a phi 25 steel pipe, the length of 800 and the upper part of the pipe are exposed out of the capping cover groove 50; an exhaust pipe interface: phi 15 iron joints exposing the capping plate 50.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A bottom pressure-bearing type mechanism for anchoring, comprising:
the bearing device comprises a first bearing plate (1), wherein a first connecting through hole (101) is formed in the first bearing plate (1);
one end of the first supporting part (2) is arranged on the first bearing plate (1), and the first supporting part (2) is communicated with the first connecting through hole (101);
the first cover body (3), the first cover body (3) is arranged at one end of the first supporting part (2) far away from the first bearing plate (1); a second connecting through hole (301) is formed in the first cover body (3), and the second connecting through hole (301) is communicated with the first connecting through hole (101) through the first support part (2);
a grouting opening (4) provided in the first cover body (3);
an air outlet (5) provided in the first cover (3).
2. A bottom pressure-bearing type mechanism for anchoring as claimed in claim 1, further comprising: a pouch (6);
the bag (6) covers the outer sides of the first pressure bearing plate (1) and the first supporting part (2), and an opening of the bag (6) is connected with the first cover body (3) in a sealing mode.
3. A bottom pressure-bearing type mechanism for anchoring as claimed in claim 1, further comprising: and the grouting pipe (401) is communicated with an external concrete source, and the grouting pipe (401) is arranged on the grouting opening (4) in a penetrating way.
4. A bottom pressure-bearing type mechanism for anchoring as claimed in claim 1, further comprising: a first support structure (7), the first support structure (7) being used for stably supporting the external concrete between the first bearing plate (1) and the first cover body (3);
one end of the first supporting structure (7) is connected with the first bearing plate (1), and the other end of the first supporting structure (7) is connected with the first cover body (3).
5. The bottom bearing type mechanism for anchoring according to claim 4, wherein the first support structure (7) is a spiral structure, the first support structure (7) being spirally arranged at an outer side of the first support portion (2) between the first bearing plate (1) and the first cover body (3).
6. A bottom pressure-bearing type mechanism for anchoring according to claim 4, characterized in that the first supporting structure (7) is a straight bar structure, and a plurality of the first supporting structures (7) are provided circumferentially outside the first supporting portion (2) in a rotating manner.
7. The bottom pressure-bearing type mechanism for anchoring as claimed in any one of claims 1 to 6, wherein the first support portion (2) is of a tubular structure, and a third connecting through hole (201) is provided on the first support portion (2), the third connecting through hole (201) being used for communicating the inside with the outside of the first support portion (2); the third connecting through holes (201) are arranged on the first supporting part (2).
8. Bottom bearing type mechanism for anchoring according to any of claims 1 to 6, characterized in that said first support (2) comprises: the support rods are horizontally arranged with each other and arranged along an annular array.
9. An anchoring device, comprising:
an anchor body (A1), the anchor body (A1) being a bolt/anchor cable;
a bottom pressure-bearing type mechanism for anchoring as claimed in any one of claims 1 to 8;
the anchoring main body (A1) is sequentially arranged on the first cover body (3), the first supporting part (2) and the first bearing plate (1) in a penetrating manner; the anchoring main body (A1) is connected with the first bearing plate (1).
10. The anchoring device of claim 9, further comprising: the corrugated pipe is sleeved on the outer side of the anchoring main body (A1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220658804.0U CN218509520U (en) | 2022-03-23 | 2022-03-23 | Bottom pressure bearing type mechanism for anchoring and anchoring device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220658804.0U CN218509520U (en) | 2022-03-23 | 2022-03-23 | Bottom pressure bearing type mechanism for anchoring and anchoring device with same |
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| CN218509520U true CN218509520U (en) | 2023-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220658804.0U Active CN218509520U (en) | 2022-03-23 | 2022-03-23 | Bottom pressure bearing type mechanism for anchoring and anchoring device with same |
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| Country | Link |
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| CN (1) | CN218509520U (en) |
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- 2022-03-23 CN CN202220658804.0U patent/CN218509520U/en active Active
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