CN213953640U

CN213953640U - Anchor rod with telescopic drill bit

Info

Publication number: CN213953640U
Application number: CN202023184197.9U
Authority: CN
Inventors: 刘会军
Original assignee: Anyang Zhongmei Machinery Manufacturing Co ltd
Current assignee: Anyang Zhongmei Machinery Manufacturing Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-13
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a drill bit telescopic stock, including drill bit, first stock, the one end of first stock with the one end of drill bit is connected, first stock is the siphonozooid, the drill bit slides to inlay and locates on the inner wall of the inner chamber of first stock, and it can be followed the endwise slip of inner chamber. Its drill bit slip inlay locate on the inner wall of the inner chamber of first stock, and it can follow the axial slip of inner chamber for the drill bit can slide when not using and enter into the inner chamber of first stock, prevents that the drill bit from causing the damage to staff or other objects, when using, can pull out the drill bit from the inner chamber of first stock.

Description

Anchor rod with telescopic drill bit

Technical Field

The utility model relates to an stock field particularly, relates to a drill bit telescopic stock.

Background

The anchor rod is the most basic component of roadway support in the contemporary coal mine, and reinforces the surrounding rocks of the roadway together, so that the surrounding rocks support themselves. The conventional anchor rod is not only used for mines, but also used in engineering technology 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, and the other end of the anchor rod penetrates into the stratum.

The stock is very common when being used for the mine, and the drill bit of stock is important structure, and mainly used leads for the stock, but also has some shortcomings, and the top of drill bit is very sharp-pointed, no matter in the transport or in the work all cause the injury to staff or other objects easily, provides a drill bit telescopic stock to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drill bit telescopic stock, its drill bit slip inlays to be located on the inner wall of the inner chamber of first stock, and it can be followed the axial slip of inner chamber for the drill bit can slide when not using and enter into the inner chamber of first stock, prevents that the drill bit from causing the damage to staff or other objects when not using.

The embodiment of the utility model is realized like this:

the utility model provides a drill bit telescopic stock, includes drill bit, first stock, the one end of first stock with the one end of drill bit is connected, first stock is the siphonozooid, the drill bit slides to inlay and locates on the inner wall of the inner chamber of first stock, and it can be followed the endwise slip of inner chamber.

Preferably, first stock with the one end that the drill bit is connected is the link, logical groove has been seted up on the pipe wall of link, it runs through to lead to the groove the pipe wall of link, be provided with first slide on the lateral wall of drill bit, just first slide slides and inlays to be located on the inner wall that leads to the groove, and it can follow the length direction who leads to the groove slides, in order to control the drill bit stretches out or gets into the inner chamber.

Preferably, the two ends of the first sliding plate in the length direction are respectively provided with a fixing column, and the side wall of the through groove is provided with a fixing hole matched with the fixing column.

Preferably, a dust guard plate is arranged on the first sliding plate, the dust guard plate is arranged on the outer wall of the first sliding plate in a surrounding manner by taking the first sliding plate as a center, is positioned on the top side of the through groove, and is matched with the first sliding plate, so that the opening of the through groove is relatively sealed.

Preferably, the top end of the first sliding plate is provided with a plurality of anti-skidding lines.

Preferably, a second sliding plate is further arranged on the side wall of the drill bit, and a sliding groove matched with the second sliding plate is formed in the inner wall of the connecting end.

Preferably, the first stock is kept away from the one end of drill bit is provided with the second stock, the second stock is the siphonozooid, and its cover is established on the outer wall of first stock, the lateral wall of first stock has the second jack, the lateral wall of second stock has the third jack, first stock through inserting the second jack with the second bolt of third jack with the second stock is connected.

Preferably, the second jack is a plurality of, and is a plurality of the second jack sets up along the axial interval of first stock on the lateral wall of first stock, the third jack is a plurality of, and is a plurality of the third jack sets up along the axial interval of second stock on the lateral wall of second stock.

Preferably, a layer of dustproof film is embedded at the opening of the second jack and the opening of the third jack.

Preferably, one end of the second anchor rod, which is far away from the drill bit, is provided with a limiting structure.

The embodiment of the utility model provides a beneficial effect is:

an embodiment of the utility model provides a drill bit telescopic stock, its drill bit slip inlays to be located on the inner wall of the inner chamber of first stock, and it can be followed the axial slip of inner chamber for the drill bit can slide when not using and enter into the inner chamber of first stock, prevents that the drill bit from causing the damage to staff or other objects, when using, can pull out drill bit 100 from the inner chamber of first stock.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a split three-dimensional structure of an anchor rod with a retractable drill bit according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a drill bit of the anchor rod with a retractable drill bit according to an embodiment of the present invention when the drill bit is retracted into the first anchor rod;

fig. 3 is an enlarged view of a drill rod with retractable drill bits shown in fig. 2 according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a dust cloth and a through groove of an anchor rod with a retractable drill bit according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a through groove of a drill rod with a retractable drill bit according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of the second/third insertion holes of the retractable drill bolt according to an embodiment of the present invention.

Icon: 100-a drill bit; 110-a first sled; 111-fixed columns; 112-dustproof cloth; 120-a second sled; 200-a first anchor; 210-a second receptacle; 220-grouting holes; 230-a through slot; 231-fixing holes; 300-a second anchor; 310-a third receptacle; 311-dustproof film; 320-a second latch; 400-limit structure.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description 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 "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 invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1 and 2, the present embodiment provides a mining anchor rod with a retractable drill bit 100, which includes a drill bit 100 and a first anchor rod 200, wherein the drill bit 100 is used for guiding the mining anchor rod, one end of the first anchor rod 200 is connected with one end of the drill bit 100, the first anchor rod 200 is a tubular body, the drill bit 100 is slidably embedded in an inner wall of an inner cavity of the first anchor rod 200, and can slide along an axial direction of the inner cavity, and the sliding connection of the present embodiment is controllable, that is, when the drill bit 100 is subjected to other external forces, the drill bit 100 cannot automatically slide.

The working principle of the embodiment is as follows: when the mining bolt is not used, the drill bit 100 is manually pushed to move toward the inner cavity of the first bolt 200 until the sharp portion of the drill bit 100 completely slides into the inner cavity of the first bolt 200, and when the bolt is used, a hole is firstly drilled in the surrounding rock, then the drill bit 100 is manually pulled out of the inner cavity of the first bolt 200, and finally the whole bolt is inserted into the hole, and the drill bit 100 guides the bolt.

The embodiment provides a drill telescopic anchor rod, wherein a drill 100 is slidably embedded in the inner wall of the inner cavity of a first anchor rod 200 and can slide along the axial direction of the inner cavity, so that the drill 100 can slide into the inner cavity of the first anchor rod when not in use, the damage to workers or other objects caused by the drill is prevented, and the drill 100 can be pulled out of the inner cavity of the first anchor rod when in use.

Example 2

As shown in fig. 1 to 3, the present embodiment is substantially the same as the above embodiments, except that one end of the first anchor rod 200 connected to the drill bit 100 is a connecting end, a through groove 230 is formed on a tube wall of the connecting end, the through groove 230 penetrates through the tube wall of the connecting end, a first sliding plate 110 is disposed on a side wall of the drill bit 100, and the first sliding plate 110 is slidably embedded on an inner wall of the through groove 230 and can slide along a length direction of the through groove 230 to control the drill bit 100 to extend out of or enter the inner cavity. The embodiment can control the drill bit 100 to extend out of or enter the inner cavity by manually sliding the first sliding plate 110, and has simple structure and convenient use.

Example 3

As shown in fig. 1 to 3, the present embodiment is substantially the same as the above-mentioned embodiments, except that the first sliding plate 110 is provided with fixing posts 111 at two ends in the length direction thereof, the side wall of the through groove 230 is provided with fixing holes 231 matched with the fixing posts 111, and the fixing posts 111 and the fixing holes 231 are in interference fit, that is, the diameter of the fixing posts 111 is slightly larger than the diameter of the fixing holes 231, the fixing posts 111 can be inserted into the fixing holes 231 only by using a certain external force, and when the fixing posts 111 are pulled out from the fixing holes 231, a certain external force is also required.

Example 4

As shown in fig. 4, the present embodiment is substantially the same as the above embodiments, except that a dust guard plate 112 is disposed on the first sliding plate 110, the dust guard plate 112 is disposed around the first sliding plate 110, and is located on the top side of the through slot 230, and cooperates with the first sliding plate 110 to seal the opening of the through slot 230.

In this embodiment, the dust guard 112 is provided to prevent soil dust in the drilled hole from entering the first anchor rod 100 and causing blockage, and when the first sliding plate 110 slides left and right, the dust guard 112 will slide left and right along with the first sliding plate 110 and always cooperate with the first sliding plate 110, so that the opening of the through groove 230 is relatively sealed.

Example 5

As shown in fig. 3, the present embodiment is substantially the same as the above embodiments, except that the top end of the first sliding plate 110 is provided with a plurality of anti-slip threads. The friction between the hands of the worker and the first sliding plate 110 is increased by the arrangement of the anti-slip lines.

Example 6

As shown in fig. 1, the present embodiment is substantially the same as the above embodiments, except that a second sliding plate 120 is further disposed on the side wall of the drill 100, and a sliding groove engaged with the second sliding plate 120 is disposed on the inner wall of the connecting end.

Example 7

As shown in fig. 1 and 2, the present embodiment is substantially the same as the above embodiments, except that a second anchor rod 300 is disposed at an end of the first anchor rod 200 away from the drill bit, the second anchor rod 300 is a tubular body and is sleeved on an outer wall of the first anchor rod 200, a second insertion hole 210 is formed in a side wall of the first anchor rod 200, a third insertion hole 310 is formed in a side wall of the second anchor rod 300, and the first anchor rod 200 is connected to the second anchor rod 300 through a second pin 320 inserted into the second insertion hole 210 and the third insertion hole 310.

Example 8

As shown in fig. 1 and 2, the present embodiment is substantially the same as the above embodiments, except that the second insertion holes 210 are plural, the plural second insertion holes 210 are provided on the side wall of the first anchor 200 at intervals in the axial direction of the first anchor 200, the plural third insertion holes 310 are plural, and the plural third insertion holes 310 are provided on the side wall of the second anchor 300 at intervals in the axial direction of the second anchor 300. In this embodiment, the length of the anchor rod device can be adjusted through the cooperation of the second jack and the third jack that are different.

Example 9

As shown in fig. 6, the present embodiment is substantially the same as the above embodiments, except that a layer of dust-proof film 311 is embedded in the openings of the second insertion hole 210 and the third insertion hole 310. When the second jack 210 and the third jack 310 need to be used, the dust-proof film 311 only needs to be taken out.

Example 10

As shown in fig. 1, the present embodiment is substantially the same as the above embodiments, except that a limiting structure 400 is disposed at an end of the second anchor rod 300 away from the drill bit 100, and a grout outlet 220 is disposed on the first anchor rod.

Claims

1. A rock bolt with a telescopic drill bit comprises a drill bit (100) and a first rock bolt (200), wherein one end of the first rock bolt (200) is connected with one end of the drill bit (100), and the rock bolt is characterized in that:

the first anchor rod (200) is a tubular body, and the drill bit (100) is embedded on the inner wall of the inner cavity of the first anchor rod (200) in a sliding manner and can slide along the axial direction of the inner cavity;

the first anchor rod (200) and one end connected with the drill bit (100) are connecting ends, and the connecting ends are provided with driving devices used for driving the drill bit (100) to slide.

2. A drill retractable bolt according to claim 1, wherein said driving means comprises a through slot (230), a first sliding plate (110), said through slot (230) is disposed on the wall of said connecting end, and said through slot (230) penetrates through the wall of said connecting end, said first sliding plate (110) is disposed on the side wall of said drill (100), and it is slidably embedded on the inner wall of said through slot (230), and it can slide along the length direction of said through slot (230) to control the extension or entering of said drill (100) into said inner cavity.

3. The drill bit retractable anchor rod according to claim 2, wherein the first sliding plate (110) is provided with fixing posts (111) at two ends along the length direction thereof, the side wall of the through groove (230) is provided with fixing holes (231) matched with the fixing posts (111), the fixing posts (111) are made of an elastic material, and the fixing posts (111) and the fixing holes (231) are in interference fit.

4. A drill retractable bolt according to claim 3, wherein said first sliding plate (110) is provided with a dust guard (112) for shielding said through slot, said dust guard (112) being disposed around said first sliding plate (110).

5. A drill retractable bolt according to claim 4, in which the top end of the first slide plate (110) is provided with a plurality of anti-slip threads.

6. A drill retractable bolt according to claim 5, in which the drill bit (100) is further provided with a second slide plate (120) on the side wall thereof, and the inner wall of the connecting end is provided with a slide groove for engaging with the second slide plate (120).

7. The anchor rod with the retractable drill bit as claimed in claim 1, wherein a second anchor rod (300) is arranged at one end of the first anchor rod (200) far away from the drill bit, the second anchor rod (300) is a tubular body and is sleeved on the outer wall of the first anchor rod (200), the side wall of the first anchor rod (200) is provided with a second insertion hole (210), the side wall of the second anchor rod (300) is provided with a third insertion hole (310), and the first anchor rod (200) is connected with the second anchor rod (300) through a second bolt (320) inserted into the second insertion hole (210) and the third insertion hole (310).

8. A drill retractable bolt according to claim 7, wherein the second insertion hole (210) is plural, the plural second insertion holes (210) are provided in the side wall of the first bolt (200) at intervals in the axial direction of the first bolt (200), the plural third insertion holes (310) are plural, and the plural third insertion holes (310) are provided in the side wall of the second bolt (300) at intervals in the axial direction of the second bolt (300).

9. A drill rod with a retractable function as claimed in claim 8, wherein a layer of dust-proof film (311) is embedded in the openings of the second insertion hole (210) and the third insertion hole (310), and the dust-proof film (311) is detachably connected with the third insertion hole (310).