CN219157660U

CN219157660U - Plugging device for rotary spraying anchor cable drilling machine

Info

Publication number: CN219157660U
Application number: CN202222903580.8U
Authority: CN
Inventors: 郑斌; 陈熙; 吕冠男; 薛明勋; 刘江富; 杨圆圆
Original assignee: Sichuan Zhide Geotechnical Engineering Co ltd
Current assignee: Sichuan Zhide Geotechnical Engineering Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-06-09
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to the technical field of building construction and provides a plugging device for a rotary-spraying anchor cable drilling machine, which comprises a wall protection pipe sleeve and a disc body, wherein a through-drilling hole is formed in the middle of the disc body, and at least one anchor cable port is formed beside the through-drilling hole; one end of the tray body is inserted into the wall protection pipe sleeve and is connected with the wall protection pipe sleeve in a rotating way. According to the utility model, the hole is temporarily plugged by installing and inserting the cement paste into the hole in the drilling process of the drilling machine, so that the waste of cement paste outflow is effectively prevented, and the grouting quality is ensured.

Description

Plugging device for rotary spraying anchor cable drilling machine

Technical Field

The utility model relates to the technical field of building construction, in particular to a plugging device for a rotary-spraying anchor cable drilling machine.

Background

The rotary jet drilling machine is a drilling tool for conveying slurry, compressed air, clean water and other mediums, and can ensure continuous dynamic tightness and static tightness under the high-pressure working condition. The common high-pressure jet grouting anchor cable construction is realized by utilizing a jet grouting drill bit penetrating through an anchoring bearing plate to drill while jet grouting, the drilling process begins to be disturbed, and the anchor cable drilling is widely applied to the field of slope reinforcement.

In the construction process of the rotary-spraying anchor cable drilling machine on the existing market, firstly, a drill bit is used for supporting an anchor plate and carrying out grouting propulsion with the anchor cable, cement paste with pressure is sprayed to form an effective wall protection drilling hole, then, when a drill rod is pulled out after the hole is formed, grouting is carried out in the hole again, when the side slope is drilled, the condition that a large amount of pressure cement paste flows outwards can occur due to small drilling angle, grouting in the drill rod pulling-out process can also generate secondary outflow, so that grouting effect is poor, cement material waste is caused, pollution is caused to site environment, and cement is caked on site and extra clearing and transporting cost can be generated.

Disclosure of Invention

The utility model aims to provide a plugging device for a rotary-spraying anchor cable drilling machine, which can avoid waste caused by external flow of cement mortar from holes and ensure grouting effect.

The embodiment of the utility model is realized by the following technical scheme: the plugging device for the rotary-spraying anchor cable drilling machine comprises a wall protection pipe sleeve and a disc body, wherein a through-drilling hole is formed in the middle of the disc body, and at least one anchor cable port is formed beside the through-drilling hole; one end of the tray body is inserted into the wall protection pipe sleeve and is connected with the wall protection pipe sleeve in a rotating way.

Further, the outer side of the tray body is sleeved with a mounting ring, and the inner side wall of the mounting ring is embedded with balls which are used for rolling contact with the outer side of the tray body.

Further, a clamping and inserting protruding head is arranged at the outer side edge of the mounting ring, an annular groove and a limiting slot are arranged on the front end face of the wall protecting pipe sleeve, and the annular groove is communicated with the limiting slot; the annular groove is matched with the mounting ring, and the limiting slot is matched with the clamping plug convex head to be clamped.

Furthermore, the card plug and the limit slot are provided with at least two groups, and the card plug is wound on the outer side of the mounting ring to be uniformly distributed at intervals.

Further, the anchor cable port is communicated with the through-hole to form an integrated through-hole structure.

Furthermore, the anchor cable openings are arranged in four and evenly spaced around the periphery of the through-drilled hole.

Furthermore, the wall protecting pipe sleeve and the tray body are made of stainless steel materials.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects: according to the utility model, the wall protecting pipe sleeve and the disk body are arranged at the hole opening of the hole, so that the size of the exposed surface of the hole opening can be reduced only through the drill rod and the anchor cable, the condition that slurry is exposed from the hole opening is avoided to a certain extent, and the grouting effect is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a plugging device for a rotary-jet anchor cable drilling machine according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;

FIG. 3 is a schematic view of the structure of the disk body and mounting ring of the present utility model;

fig. 4 is a schematic front view of the wall-protecting pipe sleeve in the present utility model.

Icon: 1-wall protecting pipe sleeve, 11-ring groove, 12-limit slot, 2-disc, 21-through hole, 22-anchor cable port, 3-mounting ring, 31-ball, 32-snap-in protruding head.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Examples

The following is further described with reference to specific embodiments, and referring to fig. 1-4, the present embodiment is a plugging device for a rotary spraying anchor cable drilling machine, which comprises a wall protection pipe sleeve 1 and a disc body 2, wherein a through-drilling hole 21 is formed in the middle of the disc body 2, and at least one anchor cable port 22 is formed beside the through-drilling hole 21; one end of the tray body 2 is inserted into the wall protection pipe sleeve 1 and is rotationally connected with the wall protection pipe sleeve; specifically, the anchor rope rig is spouted soon in the use, firstly utilize the drilling rod to bore about 60cm, firstly insert the dado pipe box 1 in the drill way in the centre of the drill way and fix, the front end of dado pipe box 1 is the enlarged surface, laminating construction operation face, prevent to fall into the hole wholly, then pack into the dado pipe box 1 with disk 2 in, the drilling rod stretches into from crossing drilling 21, and the anchor rope is put into the hole through anchor rope mouth 22, the drilling rod is in the rotation in-process, disk 2 can follow the drilling rod and rotate, reduce the exposed gap size of drill way, thereby the shutoff ware reaches the purpose of drill way shutoff, effectively avoid the grout outflow, in addition, when the anchor rope rig accomplishes the operation, pull out the drilling rod to drill way 1m, demolish disk 2, can make the drilling rod withdraw out smoothly and carry out next operation, and after the drilling rod is pulled out, wait half hour again to pull out it, make grout can fully infiltrate the soil body.

It should be noted that the plugging device can also be used for drilling holes of common anchor rods and anchor cables, and needs to be plugged when grouting is performed after hole forming, the middle through drilling hole 21 can enable a grouting pipe to extend in, and the rotary spraying is the whole-process plugging to prevent the situation that slurry overflows at the hole opening.

The outer side of the tray body 2 in the embodiment is sleeved with a mounting ring 3, and the inner side wall of the mounting ring 3 is embedded with a ball 31 used for rolling contact with the outer edge side of the tray body 2; specifically, the mounting ring 3 is fixed on the retaining wall sleeve 1, and the disc body 2 and the mounting ring 3 can rotate relatively through rolling of the balls 31.

The outer side edge of the mounting ring 3 in the embodiment is provided with a clamping and inserting convex head 32, the front end surface of the retaining wall pipe sleeve 1 is provided with a ring groove 11 and a limiting slot 12, and the ring groove 11 is communicated with the limiting slot 12; the ring groove 11 is matched with the mounting ring 3, and the limit slot 12 is matched with the clamping plug convex head 32 to be clamped in; specifically, the installation ring 3 is an integral with the disk body 2, when the installation ring 3 and the retaining wall pipe sleeve 1 are installed, the main body of the installation ring 3 is placed into the annular groove 11, and the clamping plug is correspondingly placed into the limiting slot 12, so that the external installation ring 3 can be stable and motionless in the process of driving the disk body 2 to rotate.

The card plug convex heads 32 and the limit slots 12 in the embodiment are provided with at least two groups, and the card plug convex heads 32 are wound on the outer side of the mounting ring 3 to be uniformly distributed at intervals; in particular, the uniformly annularly distributed bayonet projections 32 can uniformly provide anti-rotation support and are more aesthetically pleasing.

The anchor cable port 22 in the present embodiment is connected with the through-hole 21 to form an integral through-hole structure; the anchor rope openings 22 are provided with four anchor rope openings and evenly distributed at intervals around the circumference of the drill hole 21; specifically, the diameter of the through-drilling hole 21 is close to that of the drilling rod, and the diameter of the anchor cable hole 22 is not greatly different from that of the anchor cable, so that the plugging device has more excellent capability of preventing the outflow of the waterproof slurry in the construction process; in addition, the number of the cable openings 22 is not necessarily four, depending on the actual choice.

The wall-protecting pipe sleeve 1 and the tray body 2 in the embodiment are all made of stainless steel materials; in particular, the corrosion-resistant coating has good corrosion resistance and is very suitable for construction sites.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a stopper that spouts anchor rope rig soon used which characterized in that: the cable protection device comprises a wall protection pipe sleeve (1) and a disc body (2), wherein a through-drilling hole (21) is formed in the middle of the disc body (2), and at least one anchor cable port (22) is formed in the side of the through-drilling hole (21);

one end of the tray body (2) is inserted into the wall protecting pipe sleeve (1) and is rotationally connected with the wall protecting pipe sleeve.

2. The plugging device for a rotary jetting anchor cable drilling machine of claim 1, wherein: the outer side of the disc body (2) is sleeved with a mounting ring (3), and the inner side wall of the mounting ring (3) is embedded with balls (31) used for rolling contact with the outer edge side of the disc body (2).

3. The plugging device for a rotary jetting anchor cable drilling machine of claim 2, wherein: the outer side edge of the mounting ring (3) is provided with a clamping and inserting convex head (32), the front end surface of the wall protecting pipe sleeve (1) is provided with a ring groove (11) and a limiting slot (12), and the ring groove (11) is communicated with the limiting slot (12);

the annular groove (11) is matched with the mounting ring (3), and the limiting slot (12) is matched with the clamping plug convex head (32) to be clamped.

4. A closure for a rotary jetting anchor cable drilling machine as claimed in claim 3, wherein: the card plug-in protruding heads (32) and the limiting slots (12) are provided with at least two groups, and the card plug-in protruding heads (32) are wound on the outer side of the mounting ring (3) to be uniformly distributed at intervals.

5. The plugging device for a rotary jetting anchor cable drilling machine of claim 1, wherein: the anchor cable port (22) is communicated with the through-drilled hole (21) to form an integrated through-hole structure.

6. The plugging device for a rotary jetting anchor cable drilling machine of claim 5, wherein: the anchor rope openings (22) are arranged in four and evenly spaced mode around the periphery of the through holes (21).

7. The plugging device for a rotary jetting anchor cable drilling machine of claim 1, wherein: the wall protection pipe sleeve (1) and the tray body (2) are made of stainless steel materials.