CN217632518U - Expansion shell type lifting ring anchor rod - Google Patents

Abstract

The utility model relates to the field of supporting parts, and discloses a shell-expanding type suspension ring anchor rod, which comprises a rod body of the anchor rod, wherein one end of the rod body is provided with an annular end part, and the other end is provided with an anchor head component; the anchor head component comprises a threaded rod with external threads, the threaded rod is fixedly connected with the end part of the rod body, and one end of the threaded rod, which is far away from the rod body, is connected with a sliding block; an expansion cylinder is sleeved outside the threaded rod, the expansion cylinder is integrally cylindrical, and a gap is formed in the wall of the expansion cylinder; the expansion cylinder is in threaded connection with the threaded rod through a threaded hole; the slider is the wedge, and the small size one end of slider is connected with the threaded rod. The utility model has the advantages that: the utility model utilizes the anchor rod body to drive the slide block to move through the expanding shell type anchor head, so that the expanding cylinder with the notch is expanded and embedded into the rock stratum, thereby playing the role of anchoring; the anchor rod has the advantages that no anchoring agent is needed in the operation process, so that the working efficiency is obviously improved, and the installation time of the anchor rod is greatly reduced.

Description

Expansion shell type lifting ring anchor rod

Technical Field

The utility model relates to a strut and use the part field, specifically be a shell type rings stock rises.

Background

At present, in construction roadways such as culverts, mines, subways and the like, a large number of anchor rod supporting modes are adopted to prevent surrounding rocks from falling off and protect the life safety of field construction workers. The conventional anchor rod is in a straight rod shape, and the anchoring section is generally in contact with an anchoring agent through a thread-shaped bulge on hot-rolled deformed steel bar to form anchoring. The outer leaking end of the traditional deformed steel bar anchor rod is of a threaded structure and is matched with a nut and a tray to form support; the hardening of the anchoring agent requires waiting for a period of time to ensure its complete solidification and to ensure that the powder and debris inside the anchoring hole are clean before the anchoring agent is filled, thereby rendering installation inconvenient and compromising installation efficiency.

Disclosure of Invention

Not enough to prior art, the utility model provides a shell-expanding type rings stock reduces the intensity of labour of stock installation, reduces the material consumption of stock installation.

In order to achieve the above object, the utility model provides a following technical scheme: the anchor rod comprises a rod body of the anchor rod, wherein one end of the rod body is provided with an annular end part, and the other end of the rod body is provided with an anchor head assembly; when the anchor rod is used, the anchor head assembly is positioned in the anchored substrate, and the end part is exposed outside the substrate;

the anchor head assembly comprises a threaded rod with an external thread, the threaded rod is fixedly connected with the end part of the rod body, and one end of the threaded rod, which is far away from the rod body, is connected with a sliding block;

the outer part of the threaded rod is sleeved with an expansion cylinder, the expansion cylinder is integrally cylindrical, a gap penetrating the radial direction of the expansion cylinder is formed in the wall of the expansion cylinder, and the gap extends to one end, away from the rod body, of the expansion cylinder to form an opening;

the end, close to the rod body, of the expansion cylinder is a closed end, a threaded hole corresponding to the threaded rod is formed in the closed end of the expansion cylinder, and the expansion cylinder is in threaded connection with the threaded rod through the threaded hole.

The end part, the rod body, the threaded rod and the sliding block are fixedly connected into a whole.

Preferably, the end part is annular, and the inner diameter of a circular opening in the middle of the end part is larger than the outer diameter of the expansion cylinder.

Preferably, the sliding block is a wedge-shaped block, the wedge-shaped block is a trapezoid, and one small-area end of the sliding block is rotatably connected with the threaded rod; the slide block, the expansion cylinder, the threaded rod and the rod body are coaxial.

Preferably, the sliding block is in a cone frustum shape or a pyramid frustum shape, and one small-area end of the sliding block is rotatably connected with the threaded rod;

the outer diameter of the sliding block facing one end of the rod body is smaller than the inner diameter of the cylinder wall of the expansion cylinder far away from one end of the rod body.

Preferably, a plurality of bosses are arranged on the outer side of the wall of the expansion cylinder in an array mode, each boss is a conical table body, and the bosses are distributed in a linear array mode along the axial direction of the expansion cylinder.

When the notch is a strip-shaped slot, the whole boss is still close to a circular ring shape and is divided into two semi-rings by the notch.

Preferably, the space that the breach formed divides into two symmetrical parts with the section of thick bamboo that rises, and the breach department rises section of thick bamboo two relative inner walls interval and increases gradually, and the direction of increase is by the section of thick bamboo that rises near the body of rod tip towards keeping away from the body of rod tip increase.

On the vertical plane, the notches form an open area projected by an isosceles triangle.

Preferably, a plurality of bosses are fixedly arranged on the outer side of the wall of the expansion cylinder in an array mode, each boss is a wedge-shaped bulge, one large-area end of each boss faces the rod body, the bosses are distributed in a linear array mode along the axial direction of the expansion cylinder, and the bosses are symmetrically arranged on two parts, divided by the notch, of the expansion cylinder.

Under the separation of the gap, the lug boss forms wedge blocks which change in an array corresponding to the wall of the expansion cylinder.

Preferably, the outer side of one end, close to the threaded rod, of the rod body is slidably connected with a limiting plate, the limiting plate is a circular plate body, and the outer diameter of the limiting plate is larger than that of the expansion cylinder.

Preferably, a limiting block is fixedly arranged at one end of the expansion cylinder facing the rod body, jacks are arranged on a block body of the limiting block, and the jacks are symmetrically arranged in an even number;

a holding piece is arranged corresponding to the limiting block and comprises two semi-circular semi-cylinders, and one side edge of each of the two semi-circular semi-cylinders is hinged;

a plurality of inserting rods are fixedly arranged at one end of the half cylinder, and the number of the inserting rods corresponds to the number of the inserting holes of the limiting block.

Preferably, the outer wall of the half cylinder is provided with a plurality of grooves for holding. The form of arranging the groove is adopted, so that the holding by workers is convenient.

Preferably, the whole grip is a regular hexagonal prism.

Preferably, tile-shaped base plates are respectively arranged on the inner walls of the two half cylinders, the base plates are made of elastic materials, and the base plates are rubber plates.

Preferably, the base plate is inserted into the inner wall of the half cylinder, the inner wall of the half cylinder is provided with an insertion groove, the insertion groove is arranged along the axial direction of the plate body, the plate body of the base plate is provided with an insertion strip corresponding to the insertion groove, and the base plate and the half cylinder are inserted into the insertion strip through the insertion groove.

When the two half cylinders are closed, the diameter of the inner annular space is larger than the outer diameter of the rod body, and when the half cylinders are inserted into the base plates, the diameter of the environment space between the base plates is smaller than the outer diameter of the rod body.

Compared with the prior art, the utility model provides a shell type rings stock rises possesses following beneficial effect: the utility model discloses a shell type anchor head that rises utilizes the stock body of rod to drive the removal of slider, makes the section of thick bamboo inflation that rises who has the breach, inlays the stratum the inside to play the anchor effect. The anchor rod has the advantages that no anchoring agent is needed in the operation process, so that the working efficiency is obviously improved, the installation time of the anchor rod is greatly reduced, and the effect of timely anchoring is achieved.

This scheme changes the design of the straight body of rod of traditional stock and increases annular structure's end member, and when carrying out the stock installation, can regard as the subassembly that applys of turning force to use on the one hand, annular structure self is also convenient for and other subassemblies are connected on the other hand.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 5 of the present invention.

Fig. 3 is a schematic structural diagram of embodiment 6 of the present invention.

Fig. 4 is a schematic view of the expansion cylinder structure according to the embodiment of the present invention.

The following are marked in the figure: 1. a rod body; 2. a threaded rod; 3. a slider; 4. expanding the cylinder; 41. a notch; 42. a boss; 43. a limiting block; 5. an end piece; 6. a limiting plate; 7. a grip; 71. half a cylinder; 72. and (4) inserting a rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

As shown in fig. 1, the present solution provides an expanding-shell type suspension ring anchor rod, which comprises a rod body 1 of the anchor rod, wherein one end of the rod body 1 is provided with an annular end part 5, and the other end is provided with an anchor head component; when the anchor rod is used, the anchor head assembly is positioned in the anchored substrate, and the end part 5 is exposed outside the substrate;

the anchor head component comprises a threaded rod 2 with external threads, the threaded rod 2 is fixedly connected with the end part of the rod body 1, and one end of the threaded rod 2, which is far away from the rod body 1, is connected with a sliding block 3;

the outer part of the threaded rod 2 is sleeved with an expansion cylinder 4, the expansion cylinder 4 is integrally cylindrical, a gap 41 penetrating the radial direction of the expansion cylinder 4 is formed in the wall of the expansion cylinder 4, and the gap 41 extends to one end, far away from the rod body 1, of the expansion cylinder 4 to form an opening;

one end of the expansion cylinder 4 close to the rod body 1 is a closed end, the closed end of the expansion cylinder 4 is provided with a threaded hole corresponding to the threaded rod 2, and the expansion cylinder 4 is in threaded connection with the threaded rod 2 through the threaded hole;

the sliding block 3 is a wedge-shaped block, and one small-area end of the sliding block 3 is fixedly connected with the threaded rod 2; the slide block 3, the expansion cylinder 4, the threaded rod 2 and the rod body 1 are coaxial.

The end part 5, the rod body 1, the threaded rod 2 and the slide block 3 are fixedly connected into a whole.

The rod body 1 is made of twisted steel.

When this stock uses, at first put into the anchor hole of seting up with the section of thick bamboo 4 that rises in the anchor head subassembly 2, then drive the body of rod 1 through end part 5 and rotate, thereby make threaded rod 2 rotatory, along with the rotation of threaded rod 2, threaded rod 2 drives slider 3 and the 4 relative motion of the section of thick bamboo that rises, under the initial condition, 3 tip positions in the one end that the body of rod 1 is kept away from to the section of thick bamboo 4 that rises, along with the removal of slider 3, slider 3 will rise a section of thick bamboo 4 and strut gradually, thereby the outer wall and the anchor hole inner wall fastening connection that the order rises a section of thick bamboo 4, accomplish the fixed to whole stock.

The end part 5 is ring-shaped, and the inner diameter of a circular opening in the middle of the end part 5 is larger than the outer diameter of the expansion cylinder 4.

Through this structure, when the body of rod 1 is rotated to needs, can insert idle stock to end part 5 in, use as the drive power arm that rotates body of rod 1, it is more laborsaving.

Example 2

On the basis of embodiment 1, the sliding block 3 is rotatably connected with the threaded rod 2.

Since the slide block 3 is hard-rubbed against the inner wall of the expanding cylinder 4 during the movement, the slide block 3 is rotatably coupled to the threaded rod 2, and when the slide block 3 is moved, it is not limited to the case where it is necessary to keep the simultaneous rotation and the axial movement along the threaded rod 2 performed together, but it is possible to keep the axial movement only along the threaded rod 2 without rotation. In the pulling process, compared with a fixed connecting structure, the connecting structure is more flexible and convenient for anchoring completion.

The sliding block 3 is in a cone frustum shape, and one small-area end of the sliding block 3 is rotationally connected with the threaded rod 2;

the outer diameter of the slide block 3 towards one end of the rod body 1 is smaller than the inner diameter of the cylinder wall of the expansion cylinder 3 away from one end of the rod body 1.

Example 3

On the basis of the embodiment 1 or 2, a plurality of bosses 42 are arranged on the outer side of the wall of the expanding cylinder 4 in an array manner, each boss 42 is a conical frustum, and the bosses 42 are linearly arranged in an array manner along the axial direction of the expanding cylinder 4.

When the notch 41 is a strip slit, the entire boss 42 is still nearly circular, and is divided into two semi-circular parts by the notch 41.

Example 4

On the basis of the embodiment 1 or 2, different from the embodiment 3, the space formed by the notch 41 divides the expansion cylinder 4 into two symmetrical parts, the distance between two opposite inner walls of the expansion cylinder 4 at the notch 41 is gradually increased, and the increasing direction is that the distance from the end part of the expansion cylinder 4 close to the rod body 1 is increased towards the end part far away from the rod body 1.

As shown in fig. 4, on the vertical plane, the notch 41 forms an open area of an isosceles triangle projection.

The outer side of the wall of the expansion cylinder 4 is fixedly provided with a plurality of bosses 42 in an array mode, each boss 42 is a wedge-shaped bulge, one large-area end of each boss 42 faces the rod body 1, the bosses 42 are distributed in an array mode along the axial direction of the expansion cylinder 4, and the bosses 42 are symmetrically arranged on two portions, divided by the notch 41, of the expansion cylinder 4.

As shown in fig. 4, at the separation of the notch 41, the bosses 42 correspond to the wedge blocks of the expanding cylinder 4 in an array.

Example 5

Referring to fig. 2, on the basis of the above embodiment, the outer side of one end of the rod body 1 close to the threaded rod 2 is slidably connected with a limiting plate 6, the limiting plate 6 is a circular plate, and the outer diameter of the limiting plate 6 is larger than that of the expansion cylinder 4.

Through limiting plate 6, when needs will rise a section of thick bamboo 4 and insert to the stock ground in, utilize limiting plate 6 to support the terminal surface that rises a section of thick bamboo 4, exert supplementary holding power for rising a section of thick bamboo 4, avoid leading to rising a section of thick bamboo 4 and threaded rod 2's junction screw damage when inserting the stock ground by force, influence subsequent work.

Example 6

Referring to fig. 3, on the basis of the above embodiment, different from embodiment 5, a limiting block 43 is fixedly arranged at one end of the expansion cylinder 4 facing the rod body 1, and a block body of the limiting block 43 is provided with an even number of jacks symmetrically arranged;

a holding piece 7 is arranged corresponding to the limiting block 43, the holding piece 7 comprises two semi-circular semi-cylinders 71, and one side edge of each semi-circular semi-cylinder 71 is hinged;

one end of the half cylinder 71 is fixedly provided with a plurality of inserting rods 72, and the number of the inserting rods 72 corresponds to the number of the inserting holes of the limiting block 43.

The outer wall of the half cylinder 71 is provided with a plurality of grooves for holding. The mode of setting up the recess is adopted, and the staff of being convenient for grips.

The whole gripping part 7 is a regular hexagonal prism.

The holding member 7 serves two functions, on one hand, as a support member for the expansion cylinder 4, and when the expansion cylinder 4 is inserted into the anchor hole, the expansion cylinder is supported by applying force from the outside, and similar to the previous embodiment, the thread at the joint of the expansion cylinder 4 and the threaded rod 2 is prevented from being damaged, and subsequent work is prevented from being affected. The other function of the grip 7 is then an auxiliary support for rotating the rod body 1, because the rod body 1 is relatively long in whole, the force application point is the end part 5 of the rod body 1, the middle support for the rod body 1 is lacked in the process of rotating the rod body 1, and the joint of the rod body 1 and the anchor head assembly is easily deformed or even broken due to improper operation. Through hexagonal prism's gripping member 7, be convenient for combine the pipe money or spanner centre gripping member 7, a staff will gripping member 7 overlap in body of rod 1 middle part or be close to anchor head subassembly department as the support and spacing in middle part, rotate body of rod 1 by another person to guarantee that great skew can not appear in the rotation of body of rod 1.

Example 7

On the basis of embodiment 6, the inner walls of the two half cylinders 71 are respectively provided with tile-shaped cushion plates made of elastic material, and the cushion plates are rubber plates.

The base plate is inserted into the inner wall of the half cylinder 71, the inner wall of the half cylinder 71 is provided with an insertion groove, the insertion groove is arranged along the axial direction of the plate body 71, the plate body of the base plate is provided with an insertion strip corresponding to the insertion groove, and the base plate and the half cylinder 71 are inserted into the insertion strip through the insertion groove.

When the two half cylinders 71 are closed, the diameter of the inner annular space is larger than the outer diameter of the rod body 1, and when the half cylinders 71 are inserted into the base plates, the diameter of the environment space between the base plates is smaller than the outer diameter of the rod body 1.

When the holding piece 7 is used as an auxiliary support for the rotation of the rod body 1, the base plate can be taken down, and the rod body 1 in the holding piece 7 can rotate freely. When the holding piece 7 is used as a support piece for inserting the expansion cylinder 4 into the anchor hole, the base plate can be sleeved, and the closed holding piece 7 is in a clamping state on the rod body, so that the threaded rod 2 and the expansion cylinder 4 can be driven to be inserted into the anchor hole through the rod body 1 synchronously.

The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an expand shell type rings stock, includes body of rod (1) of stock, its characterized in that: one end of the rod body (1) is provided with an annular end part (5), and the other end of the rod body is provided with an anchor head component;

the anchor head component comprises a threaded rod (2) with an external thread, the threaded rod (2) is fixedly connected with the end part of the rod body (1), and one end, far away from the rod body (1), of the threaded rod (2) is connected with a sliding block (3);

the expansion cylinder (4) is sleeved outside the threaded rod (2), the expansion cylinder (4) is integrally cylindrical, a gap (41) penetrating the radial direction of the expansion cylinder (4) is formed in the cylinder wall of the expansion cylinder (4), and the gap (41) extends to one end, away from the rod body (1), of the expansion cylinder (4) to form an open port;

one end of the expansion cylinder (4) close to the rod body (1) is a closed end, the closed end of the expansion cylinder (4) is provided with a threaded hole corresponding to the threaded rod (2), and the expansion cylinder (4) is in threaded connection with the threaded rod (2) through the threaded hole.

2. The expanding shell type eye bolt of claim 1 wherein: the end part (5) is annular, and the inner diameter of a circular opening in the middle of the end part (5) is larger than the outer diameter of the expansion cylinder (4).

3. The expanding shell type eye bolt of claim 1 wherein: the sliding block (3) is a wedge-shaped block which is a trapezoid body, and one small-area end of the sliding block (3) is rotatably connected with the threaded rod (2).

4. The expanding shell type eye bolt of claim 1 wherein: the sliding block (3) is in a cone frustum shape or a pyramid frustum shape, and one small-area end of the sliding block (3) is rotatably connected with the threaded rod (2).

5. The expanding shell type eye bolt of claim 1 wherein: the outer side of the wall of the expansion cylinder (4) is provided with a plurality of bosses (42) in an array mode, each boss (42) is a cone frustum body, and the bosses (42) are distributed in a linear array mode along the axial direction of the expansion cylinder (4).

6. The expanding shell eye bolt of claim 1 wherein: the space that breach (41) formed will rise a section of thick bamboo (4) and divide into two parts of symmetry, breach (41) department rises a section of thick bamboo (4) two relative inner wall intervals and is big gradually, and the direction of increase is by rising a section of thick bamboo (4) and being close to the tip of the body of rod (1) towards keeping away from body of rod (1) tip increase.

7. The expanding shell type eye bolt of claim 6 wherein: the expansion cylinder is characterized in that a plurality of bosses (42) are fixedly arranged on the outer side of the cylinder wall of the expansion cylinder (4) in an array mode, each boss (42) is a wedge-shaped bulge, one large-area end of each boss (42) faces the rod body (1) and is distributed in an array mode along the axial direction of the expansion cylinder (4), and the bosses (42) are symmetrically arranged on two portions, divided by the notch (41), of the expansion cylinder (4).

8. The expanding shell eye bolt of claim 1 wherein: the rod body (1) is close to the outer side of one end of the threaded rod (2) and is in sliding connection with the limiting plate (6), the limiting plate (6) is a circular plate body, and the outer diameter of the limiting plate (6) is larger than that of the expansion cylinder (4).

9. The expanding shell type eye bolt of claim 1 wherein: a limiting block (43) is fixedly arranged at one end, facing the rod body (1), of the expansion cylinder (4), jacks are arranged on a block body of the limiting block (43), and the jacks are symmetrically arranged in an even number;

a holding piece (7) is arranged corresponding to the limiting block (43), the holding piece (7) comprises two semi-circular semi-cylinders (71), and one side edge of each of the two semi-cylinders (71) is hinged;

a plurality of inserting rods (72) are fixedly arranged at one end of the half cylinder (71), and the number of the inserting rods (72) corresponds to the number of the inserting holes of the limiting block (43).

10. The expanding shell type eye bolt of claim 9 wherein: the inner walls of the two half cylinders (71) are respectively provided with a tile-shaped base plate which is made of elastic materials.

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