CN220118155U - Mine underground mortar anchor rod rapid grouting device - Google Patents

Abstract

The utility model discloses a rapid grouting device for a mine underground mortar anchor rod, which comprises a supporting bottom plate, wherein a supporting frame is fixed on the supporting bottom plate, a charging barrel is fixed on the supporting frame, a discharging hole is arranged at the bottom of the charging barrel, a high-pressure air inlet pipe and a feeding pipe are respectively arranged at two sides of the top of the charging barrel, a cover plate is arranged at the top of the charging barrel, and a supporting and adjusting mechanism is arranged on the supporting frame. The utility model belongs to the technical field of grouting construction, and particularly relates to a rapid grouting device for a mine underground mortar anchor rod, which is used for ensuring the pulling-out speed when grouting is completed to pull out a grouting pipe, ensuring that the fullness of mortar meets the regulation and improving the grouting quality.

Description

Mine underground mortar anchor rod rapid grouting device

Technical Field

The utility model belongs to the technical field of grouting construction, and particularly relates to a rapid grouting device for a mine underground mortar anchor rod.

Background

The mortar anchor rod is one of main support forms under the mine well, and is one of important means for rapidly maintaining the stability of rock after tunnel tunneling. The field condition of the mine underground mortar anchor rod grouting operation is complex, the operation surface is narrow, the volume and the weight of the traditional electric grouting machine are large, the grouting operation requirement of the mine underground mortar anchor rod grouting operation is difficult to meet due to the limitation of topography and conditions. The underground grouting is realized through lengthening the grouting pipe, only a small amount of mortar can be fed into the drill hole at a time through high-pressure air, the operation mode has lower efficiency and great potential safety hazard, and the operation progress of grouting support of the tunnel mortar anchor rod is reduced.

The existing publication patent CN218206746U relates to a rapid grouting device for a mine underground mortar anchor rod, which effectively utilizes high-pressure gas pressure to press grout into a grouting pipe, thereby realizing rapid grouting effect for the anchor rod.

However, the above patent suffers from the following disadvantages: the grouting pipe is manually operated to put the grouting pipe into a grouting hole for grouting, the speed of the grouting pipe after grouting is completed during pulling out is uncontrollable, vacuum is easily formed in the hole, grouting is not full enough, and the anchor bolt supporting effect is finally affected.

Disclosure of Invention

In order to solve the problems, the utility model provides the rapid grouting device for the mine underground mortar anchor rod, which ensures the pulling-out speed when grouting is completed to pull out the grouting pipe, ensures that the fullness of mortar meets the regulation and improves the grouting quality.

In order to realize the functions, the technical scheme adopted by the utility model is as follows: the utility model provides a quick slip casting device of mine underground mortar stock, includes supporting baseplate, be fixed with the support frame on the supporting baseplate, be fixed with the feed cylinder on the support frame, the feed cylinder bottom is equipped with the discharge gate, feed cylinder top both sides are equipped with high-pressure air inlet tube and inlet pipe respectively, the feed cylinder top is equipped with the apron, be equipped with on the support frame and support adjustment mechanism.

Preferably, the support adjustment mechanism comprises a servo motor, an electric telescopic rod, a connecting block, a limit frame, a limit guide roller, a fixing frame, a thread bush block, a threaded rod, a movable cavity and a grouting pipe, wherein the movable cavity is arranged in the support frame, the servo motor is arranged below the top wall of the movable cavity, one end of the threaded rod is rotationally arranged on the bottom wall of the movable cavity, the other end of the threaded rod is arranged on the servo motor, the thread bush block is sleeved on the threaded rod, the electric telescopic rod penetrates through the movable frame and the side wall of the support frame and is arranged on the outer side wall of the thread bush block, the connecting block is arranged on one end of the electric telescopic rod, the limit frame is arranged below the connecting block, the limit guide roller is rotationally arranged on the inner side wall of the support frame, the fixing frame is arranged below the bottom wall of the limit frame, and the grouting pipe penetrates through the fixing frame and the limit guide roller and is connected with the discharge port.

Preferably, the bottom wall of the fixing frame is embedded with a perforation, the inner side wall of the perforation is provided with an electric push rod, the electric push rod is provided with a fastening block, and the outer side wall of the fastening block is provided with an anti-slip cushion layer.

Preferably, an internal thread ring is arranged on the inner side wall of the cover plate, an external thread ring is arranged on the outer side wall of the charging barrel, the external thread ring is in threaded connection with the internal thread ring, and the cover plate is fixed on the charging barrel by rotating the cover plate.

Preferably, the cover plate is provided with a handle, so that the cover plate is convenient to use.

The utility model adopts the structure to obtain the beneficial effects as follows: the rapid grouting device for the mine underground mortar anchor rod is simple in structure and compact in mechanism, through the arrangement of the supporting and adjusting mechanism, the electric telescopic rod drives the fastening blocks to be close to each other to fasten the grouting pipe clamp, the servo motor drives the threaded rod to rotate, the threaded rod drives the threaded sleeve block to move, and then the electric telescopic rod, the limiting frame and the grouting pipe are driven to ascend, so that the grouting pipe is pulled out uniformly, the mortar fullness is ensured to meet the regulation, and the grouting quality is improved.

Drawings

FIG. 1 is a diagram showing the overall construction of a rapid grouting device for a mine underground mortar anchor rod;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a top view of a mounting bracket of the mine underground mortar anchor rod rapid grouting device of the utility model;

fig. 4 is a side view of a limiting frame of a rapid grouting device for a mine underground mortar anchor rod.

The high-pressure air inlet pipe comprises a supporting bottom plate 1, a supporting frame 2, a supporting frame 3, a charging barrel 4, a discharging hole 5, a feeding pipe, a high-pressure air inlet pipe 6, a supporting and adjusting mechanism 7, a cover plate 8, a supporting and adjusting mechanism 9, a servo motor 10, an electric telescopic rod 11, a connecting block 12, a limiting frame 13, a limiting guide roller 14, a fixing frame 15, a thread sleeve block 16, a threaded rod 17, a movable cavity 18, a grouting pipe 19, a perforation 20, an electric push rod 21, a fastening block 22, an anti-slip cushion layer 23, an external thread ring 24, an internal thread ring 25 and a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, the rapid grouting device for the mine underground mortar anchor rod comprises a supporting bottom plate 1, wherein a supporting frame 2 is fixed on the supporting bottom plate 1, a charging barrel 3 is fixed on the supporting frame 2, a discharging hole 4 is arranged at the bottom of the charging barrel 3, a high-pressure air inlet pipe 6 and a feeding pipe 5 are respectively arranged at two sides of the top of the charging barrel 3, a cover plate 7 is arranged at the top of the charging barrel 3, and a supporting and adjusting mechanism 8 is arranged on the supporting frame 2.

The supporting and adjusting mechanism 8 comprises a servo motor 9, an electric telescopic rod 10, a connecting block 11, a limiting frame 12, a limiting guide roller 13, a fixing frame 14, a thread sleeve block 15, a threaded rod 16, a movable cavity 17 and a grouting pipe 18, wherein the movable cavity 17 is arranged in the supporting frame 2, the servo motor 9 is arranged below the top wall of the movable cavity 17, one end of the threaded rod 16 is rotationally arranged on the bottom wall of the movable cavity 17, the other end of the threaded rod 16 is arranged on the servo motor 9, the thread sleeve block 15 is sleeved on the threaded rod 16, the electric telescopic rod 10 penetrates through the side walls of the movable frame and the supporting frame 2 and is arranged on the outer side wall of the thread sleeve block 15, the connecting block 11 is arranged on one end of the electric telescopic frame, the limiting frame 12 is arranged below the connecting block 11, the limiting guide roller 13 is arranged on the inner side wall of the supporting frame 2, the fixing frame 14 is arranged below the bottom wall of the limiting frame 12, and the grouting pipe 18 penetrates through the fixing frame 14 and the limiting guide roller 13 and is connected to the discharge port 4.

The bottom wall of the fixing frame 14 is embedded with a perforation 19, the inner side wall of the perforation 19 is provided with an electric push rod 20, the electric push rod 20 is provided with a fastening block 21, and the outer side wall of the fastening block 21 is provided with an anti-slip cushion layer 22.

An inner thread ring 24 is arranged on the inner side wall of the cover plate 7, an outer thread ring 23 is arranged on the outer side wall of the charging barrel 3, and the outer thread ring 23 is in threaded connection with the inner thread ring 24.

The cover plate 7 is provided with a handle 25.

When the grouting device is specifically used, a proper amount of slurry is poured into the charging barrel 3, the cover plate 7 is rotated to fix the cover plate 7 on the charging barrel 3, the grouting pipe 18 penetrates through the limiting guide roller 13 and the through hole 19, the electric telescopic rod 10 drives the connecting block 11, the limiting frame 12 and the fixing frame 14 to move, the grouting pipe is aligned with the grouting hole and is penetrated into the grouting hole, the electric telescopic rod 10 drives the fastening blocks 21 to be mutually close to clamp and fix the grouting pipe 18, the discharge valve on the discharge hole 4 is opened during grouting operation, the air quantity control valve on the high-pressure air inlet pipe 6 is opened for grouting, after grouting is completed, the servo motor 9 drives the threaded rod 16 to rotate, the threaded rod 16 drives the threaded sleeve block 15 to move, and then drives the electric telescopic rod 10, the limiting frame 12 and the grouting pipe 18 to ascend, so that the grouting pipe 18 is withdrawn from the grouting hole, and grouting quality is full.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (5)

1. The utility model provides a quick slip casting device of mine underground mortar stock which characterized in that: including supporting baseplate (1), be fixed with support frame (2) on supporting baseplate (1), be fixed with feed cylinder (3) on support frame (2), be equipped with discharge gate (4) at the bottom of feed cylinder (3), feed cylinder (3) top both sides are equipped with high-pressure air-supply line (6) and inlet pipe (5) respectively, feed cylinder (3) top is equipped with apron (7), be equipped with on support frame (2) and support adjustment mechanism (8).

2. The mine underground mortar anchor rod rapid grouting device according to claim 1, wherein: support adjustment mechanism (8) including servo motor (9), electric telescopic handle (10), connecting block (11), spacing (12), spacing guide roll (13), mount (14), thread bush piece (15), threaded rod (16), movable chamber (17) and slip casting pipe (18), in support frame (2) are located in movable chamber (17), servo motor (9) are located under movable chamber (17) roof, threaded rod (16) one end rotation is located on movable chamber (17) diapire, servo motor (9) are located to threaded rod (16) other end, thread bush piece (15) cup joint on threaded rod (16), electric telescopic handle (10) run through on thread bush piece (15) lateral wall are located to support frame (2) lateral wall, on electric telescopic one end is located to connecting block (11), under connecting block (11) are located to spacing guide roll (13) are located on support frame (2) inside wall, under spacing (12) diapire is located to mount (14), slip casting pipe (14) and pass through guide roll (4) and connect in spacing guide roll (13).

3. The mine underground mortar anchor rod rapid grouting device according to claim 2, wherein: the anti-slip electric push rod is characterized in that a through hole (19) is embedded in the bottom wall of the fixing frame (14), an electric push rod (20) is arranged on the inner side wall of the through hole (19), a fastening block (21) is arranged on the electric push rod (20), and an anti-slip cushion layer (22) is arranged on the outer side wall of the fastening block (21).

4. A mine underground mortar anchor rod rapid grouting device according to claim 3, wherein: an inner thread ring (24) is arranged on the inner side wall of the cover plate (7), an outer thread ring (23) is arranged on the outer side wall of the charging barrel (3), and the outer thread ring (23) is in threaded connection with the inner thread ring (24).

5. The mine underground mortar anchor rapid grouting device according to claim 4, wherein: the cover plate (7) is provided with a handle (25).