CN219081623U - Removable core formula stock - Google Patents

Abstract

The utility model discloses a removable core type anchor rod, which relates to the technical field of anchor rods and comprises a sleeve rod, wherein a drill bit is fixedly connected to the top end of the sleeve rod, two groups of strip-shaped material drawing grooves are formed in the outer surface of the sleeve rod, inner holes are formed in the sleeve rod, each strip-shaped material drawing groove is communicated with the inner hole, and Z-shaped sheets are arranged in each strip-shaped material drawing groove. According to the utility model, through the design of the self structure of the drill bit and the combination of three tungsten steel blocks fixedly inlaid at the top ends of the blades, the drilling speed can be greatly improved, through the inner hole formed in the sleeve rod and the combination of the matching design of the strip-shaped draw-out groove, the Z-shaped sheet, the pin and the plug pin, the stability effect and the anti-skid capability of the anchor rod in the drilling can be improved, and through the matching design of the drawing sheet and the jack, the anchor rod can be conveniently detached from the rock stratum.

Description

Removable core formula stock

Technical Field

The utility model relates to the technical field of anchor rods, in particular to a removable core anchor rod.

Background

The anchor rod is used for reinforcing surrounding rocks of the roadway together so that the surrounding rocks support themselves. The anchor rod is not only used for mines, but also used for engineering technology, and is used for reinforcing main bodies of slopes, tunnels and dam bodies. The anchor rod is used as tension member for deep stratum, and has one end connected to engineering structure and the other end deep stratum.

Alloy drill bit is installed at the top of self-advancing core stock, after boring into the stratum, pour into the material hole through its middle part into the mortar into in the drilling, solidify when the mortar, make the stock body firmly fix in the drilling, with accomplishing the anchor work, receive alloy drill bit self structure's influence, its drilling rate still waits to improve, moreover, in case anchor into the stratum for core stock, because the irreversible deformation that the stock expansion member caused, just be inconvenient for dismantling, can only do abandonment to the stock of construction dislocation, caused the waste of stock work piece, we provide a removable core stock.

Disclosure of Invention

First) solving the technical problems

The utility model aims to make up the defects of the prior art and provides a removable core type anchor rod.

Two) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a removable core formula stock, includes the loop bar, the top fixedly connected with drill bit of loop bar, two sets of bars are drawn the silo to the surface of loop bar, the hole has been seted up to the inside of loop bar, every the silo is drawn to the bar all is linked together with the hole, every the inside of silo is drawn to the bar all is equipped with Z type piece, every the middle part of Z type piece all articulates in the inner wall of silo is drawn to the bar through the pin, the outside of loop bar is equipped with the dowel with hole looks adaptation, the bottom fixedly connected with pull piece of dowel, the bottom of loop bar is assumed to be equipped with a set of jack.

The drill bit comprises a column core and four blades, wherein the bottom surface of the column core is fixedly connected to the top end of a sleeve rod, the four blades are uniformly distributed on the periphery of the top end of the column core, the tops of the blades are inclined from inside to outside and gradually incline upwards in the anticlockwise direction, and three tungsten steel blocks are fixedly inlaid at the top ends of the blades.

Above, a slag discharging groove is arranged between every two adjacent blades.

Above-mentioned, the centre of a circle department of post core has seted up the row thick liquid hole, and the bottom and the hole of row thick liquid hole are linked together.

Above-mentioned, the well upper portion of loop bar surface is provided with the screw thread arch, the external screw thread has been seted up to the surface of loop bar bottom, and the nut has been cup jointed through the external screw thread to the bottom of loop bar.

Above-mentioned, the middle part cover of loop bar is equipped with backing plate and ends thick liquid stopper, and the bottom surface that ends thick liquid stopper fixed connection in the upper surface of backing plate.

Third), beneficial effects:

compared with the prior art, the removable core type anchor rod has the following beneficial effects:

according to the utility model, through the design of the self structure of the drill bit and the combination of three tungsten steel blocks fixedly inlaid at the top ends of the blades, the drilling rate can be greatly improved, through the inner hole formed in the sleeve rod and the combination of the matched design of the strip-shaped draw-out groove, the Z-shaped sheet, the pin and the plug pin, during construction, the plug pin is inserted into the inner hole, and the other end of the Z-shaped sheet is expanded to the outside of the sleeve rod to enter into rock stratum and fluid mortar under the action force of forced pushing of the plug pin, after the fluid mortar is solidified, the anchor rod can be meshed with the mortar at high strength, and the stability and the anti-skid capability of the anchor rod in the drilling hole are improved; before the fluid mortar solidifies, if the anchor rod is misplaced in construction, when the anchor rod needs to be disassembled, the pulling piece is clamped by using a tool to conveniently withdraw the inserted pin from the inserted rod through the matching design of the pulling piece and the inserting hole, at the moment, the Z-shaped piece is in a movable state, and then an external tool is inserted into the inserting hole to enable the sleeve rod to rotate until the sleeve rod is loosened, so that the anchor rod is conveniently disassembled from the rock stratum.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a partial cross-sectional view of a front view of the present utility model;

fig. 3 is a schematic perspective view of a drill bit according to the present utility model.

In the figure: 1. a loop bar; 2. a drill bit; 201. a column core; 202. a blade; 203. a slag discharge groove; 204. tungsten steel block; 205. a pulp discharging hole; 3. a strip-shaped material drawing groove; 4. an inner bore; 5. a Z-shaped sheet; 6. inserting nails; 7. a pin; 8. a backing plate; 9. a grout stop plug; 10. an external thread; 11. a nut; 12. a threaded boss; 13. drawing the sheet; 14. and a jack.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a removable core formula stock, including loop bar 1, loop bar 1's top fixedly connected with drill bit 2, loop bar 1's surface has seted up two sets of bars and has been drawn silo 3, loop bar 1's inside has been seted up hole 4, every bar is drawn silo 3 and is all linked together with hole 4, every bar is drawn silo 3's inside all is equipped with Z type piece 5, every Z type piece 5's middle part is all articulated in bar is drawn silo 3's inner wall through pin 7, loop bar 1's outside is equipped with the inserted pin 6 with hole 4 looks adaptation, and the diameter value of inserted pin 6 is less than the diameter value of hole 4, when this stock is installed, insert the inside of hole 4 to inserted pin 6, at this moment, the surface of inserted pin 6 all offsets with every Z type piece 5 being close to the one end at the center of a circle of loop bar 1, under the effort of inserted pin 6 impel, and make every Z type piece 5's outside expand to the loop bar 1 and get into in the stratum, just can use high strength interlock between self and the stratum, improve firm and the anti-slip piece that take out the anchor bar 1, the anchor bar 1 need take out the tool 13 in the anchor bar 1 again when the anchor bar 1, the anchor bar 1 need be taken out from the anchor bar 1 to take out the jack that the tool is convenient for the jack that the inside is used, the jack is 13, the anchor bar is easy to take out in the jack 1, the jack is easy to take out the jack 13 when the anchor bar 1.

The drill bit 2 comprises a column core 201 and four blades 202, wherein the bottom surface of the column core 201 is fixedly connected to the top end of the sleeve rod 1, the four blades 202 are uniformly distributed on the periphery of the top end of the column core 201, the tops of the blades 202 are inclined from inside to outside and gradually incline upwards in the anticlockwise direction, and three tungsten steel blocks 204 are fixedly inlaid at the top end of each blade 202. By the design of the self structure of the drill bit 2 and combining the three tungsten steel blocks 204 which are fixedly inlaid at the top ends of the blades 202, the drilling rate can be greatly improved.

Further, a slag discharging groove 203 is arranged between every two adjacent blades 202. In the drilling operation, the slag discharge groove 203 is arranged, so that the accumulation of drilling slag can be avoided, and the drilling efficiency can be improved.

Further, a pulp discharging hole 205 is formed at the center of the column core 201, and the bottom end of the pulp discharging hole 205 is communicated with the inner hole 4. When the anchor rod is drilled into the soil layer and grouting operation is needed, fluid mortar can be injected between the anchor rod and the rock stratum through the grouting holes 205 formed in the circle centers of the inner hole 4 and the column core 201, and after the fluid mortar is solidified, the anchor rod and the rock stratum can form a whole.

The upper middle part of the outer surface of the loop bar 1 is provided with a threaded bulge 12, the outer surface of the bottom of the loop bar 1 is provided with an external thread 10, and the bottom of the loop bar 1 is in threaded sleeve connection with a nut 11 through the external thread 10 so as to fasten an anchor rod.

Further, the middle part cover of loop bar 1 is equipped with backing plate 8 and ends thick liquid stopper 9, and the bottom surface fixed connection who ends thick liquid stopper 9 is in the upper surface of backing plate 8, through the thick liquid stopper 9 that ends that sets up, when pouring into fluid mortar between stock and the stratum, can avoid fluid mortar to spill over from the anchor eye.

Working principle: the anchor rod drilling machine is used for driving the loop bar 1 and the drill bit 2 to rotate at a high speed, so that the anchor rod drills into the rock stratum, in the process, through the design of the structure of the drill bit 2, the drilling rate can be greatly improved, after the drilling work is finished, the output end of the grouting machine is communicated with the bottom end of the loop bar 1, mortar sequentially passes through the inner hole 4, the nut 11, the slurry discharging hole 205 and the slurry discharging groove 203 to enter the inside of the drill hole, then the backing plate 8, the slurry stopping plug 9 and the nut 11 are sleeved outside the loop bar 1, the slurry stopping plug 9 is plugged into the drill hole of the rock stratum, the nut 11 is screwed down, then please refer to fig. 2, the inserted pin 6 is inserted into the inner hole 4, at this time, the outer surface of the inserted pin 6 is propped against one end of each Z-shaped piece 5 close to the center of the loop bar 1, under the forced pushing force of the inserted pin 6, the other end of the Z-shaped piece 5 is expanded towards the outside of the loop bar 1 to enter the rock stratum and the fluid mortar, after the fluid mortar is solidified, high strength is enabled between the anchor rod itself and fluid, and the anchor rod slip preventing effect can be improved; before the fluid mortar solidifies, if the anchor rod is misplaced during construction, the tool is used for clamping the drawing sheet 13 so as to conveniently draw out the inserted pin 6 from the loop bar 1, at the moment, the Z-shaped sheet 5 is in a movable state, an external tool is inserted into the insertion hole 14, the loop bar 1 is rotated until the loop bar 1 is loosened, the anchor rod is conveniently detached from the rock stratum, and the anchor rod can be reused after being washed by water.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "fixedly attached," "mounted," "connected," and "coupled" are to be construed broadly, e.g., as a fixed connection, as a removable connection, or as an integral connection; "coupled" may be either mechanical or electrical; the "connection" may be direct, indirect via an intermediary, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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

Claims (6)

1. The utility model provides a removable core formula stock, includes loop bar (1), its characterized in that: the utility model discloses a drill bit, including loop bar (1) and sleeve bar (1), top fixedly connected with drill bit (2) of loop bar (1), two sets of strip draw silo (3) have been seted up to the surface of loop bar (1), hole (4) have been seted up to the inside of loop bar (1), every strip draw silo (3) all be linked together with hole (4), every the inside of strip draw silo (3) all is equipped with Z type piece (5), every the middle part of Z type piece (5) all articulates in the inner wall of strip draw silo (3) through pin (7), the outside of loop bar (1) is equipped with plug pin (6) with hole (4) looks adaptation, the bottom fixedly connected with pull piece (13) of plug pin (6), the bottom of loop bar (1) is assumed to have a set of jack (14).

2. A removable core bolt according to claim 1, wherein: the drill bit (2) comprises a column core (201) and four blades (202), wherein the bottom surface of the column core (201) is fixedly connected to the top end of a loop bar (1), the four blades (202) are uniformly distributed on the periphery of the top end of the column core (201), the top of each blade (202) is inclined from inside to outside and gradually inclines upwards in the anticlockwise direction, and three tungsten steel blocks (204) are fixedly inlaid at the top end of each blade (202).

3. A removable core bolt according to claim 2, wherein: a slag discharging groove (203) is arranged between every two adjacent blades (202).

4. A removable core bolt according to claim 2, wherein: a slurry discharging hole (205) is formed in the center of the column core (201), and the bottom end of the slurry discharging hole (205) is communicated with the inner hole (4).

5. A removable core bolt according to claim 1, wherein: the upper middle part of the outer surface of the loop bar (1) is provided with a thread bulge (12), the outer surface of the bottom of the loop bar (1) is provided with an external thread (10), and the bottom of the loop bar (1) is sheathed with a nut (11) through the external thread (10).

6. A removable core bolt according to claim 1, wherein: the middle part cover of loop bar (1) is equipped with backing plate (8) and ends thick liquid stopper (9), and the bottom surface fixed connection who ends thick liquid stopper (9) is in the upper surface of backing plate (8).

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