Straight hole grouting positioning structure

Abstract

The utility model discloses a straight hole grouting positioning structure which comprises a round hole block, supporting legs are symmetrically and fixedly connected to the side wall of the round hole block, the supporting legs are obliquely arranged, and positioning structures are symmetrically arranged on the side walls of the two supporting legs. Before straight hole grouting is carried out, leveling and alignment are carried out at the position of a hole in advance, then a limiting structure is arranged and fixed over the straight hole and corresponds to the straight hole in the vertical direction, and then by using supporting legs and a round hole block, the outer wall of a drill bit can be sleeved with the interior of the round hole block for limiting in the drilling process, so that the drill bit is prevented from deviating in the direction of an interlayer crack or a hole; and the perpendicularity and the stability of a drilled hole are ensured, and overall deviation prevention and straightness keeping are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to straight hole grouting positioning technical field, and the specific field is a straight hole grouting positioning structure. BACKGROUND

[0002] Straight hole grouting is a kind of underground grouting construction method, mainly by injecting cement slurry or chemical slurry in predetermined straight hole, to reach the purpose of reinforcement or anti-seepage.Straight hole grouting is mainly applied to the problems of underground engineering, side slope, soft foundation etc., through grouting construction, can effectively improve the bearing capacity of foundation, improve the anti-seepage performance of engineering, is an effective construction method.Before straight hole grouting construction, first need drilling rig to drill hole, because the purpose stratum dip angle is larger, lithology is hard and there is fissure hole, drill bit is easy to deviate along interlayer fissure or hole direction in the process of drilling, therefore, we propose a kind of straight hole grouting positioning structure, ensure construction safety and grouting requirement. CONTENT OF UTILITY MODEL

[0003] The utility model is to provide a kind of straight hole grouting positioning structure, to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of straight hole grouting positioning structure, including round hole block, the side wall of the round hole block is fixedly connected with support leg, and support leg is inclinedly arranged, the side wall of two support legs is symmetrically provided with positioning structure.

[0005] Preferably, the positioning structure includes a side bracket, the side wall of the side bracket is fixedly connected with the side wall of the support leg, a hydraulic cylinder is fixedly connected to the inner side of the side bracket, a piston rod is installed in the inner cavity of the hydraulic cylinder, the outer wall of the piston rod is in clearance fit with the inner cavity of the support leg, and a semicircular ring is fixedly connected to the other end of the piston rod.

[0006] Preferably, it further includes a limiting structure, and the top of the limiting structure is fixedly connected with the lower surface of the support leg.

[0007] Preferably, the limiting structure includes a base plate, the upper surface center of the base plate is fixedly connected with the lower surface of the support leg, a circular plate is attached to the lower surface of the base plate, and bolts are penetrated through the upper surface corners of the base plate, and the bottom of the bolts is threadedly connected with the circular plate.

[0008] Preferably, a large round hole is formed in the center of the circular plate.

[0009] Preferably, a plurality of small round holes are uniformly formed in the outer ring wall of the upper surface of the circular plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are that: before straight hole grouting, leveling and alignment are carried out at the hole in advance, then the limiting structure is fixed above the straight hole and corresponds to the upper and lower sides of the straight hole, then through the use of the supporting leg and the round hole block, the outer wall of the drill bit can be sleeved with the round hole block in the limiting process in the drilling process, the drill bit is prevented from deviating along the interlayer crack or the hole direction, the perpendicularity and stability of the drill hole are ensured, this helps to improve the precision and effect of the straight hole grouting, and the positioning structure is further arranged on the two sides of the supporting leg to assist positioning, moves and buckles by the hydraulic cylinder drive, the semicircular ring moves to the inside to form a complete ring, the positioning structure can increase the positioning function of multiple sections, ensures that the drill bit can be stably supported at different depths, ensures that the drill bit is more stable when going down, and is beneficial to the overall anti-inclination and straightening. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] Figure 2 It is Figure 1 It is a three-dimensional detail view of the positioning structure;

[0013] Figure 3 It is Figure 1 It is a three-dimensional detail view of the limiting structure;

[0014] In the drawing: 1, round hole block; 2, supporting leg; 3, positioning structure; 31, side support; 32, hydraulic cylinder; 33, piston rod; 34, semicircular ring; 4, limiting structure; 41, base plate; 42, circular plate; 43, bolt. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0016] Please refer to Figures 1-3 The utility model provides a kind of straight hole grouting positioning structure, including round hole block 1, the side wall of round hole block 1 is symmetrically fixedly connected with supporting leg 2, and supporting leg 2 is inclinedly arranged, and the side wall of two supporting legs 2 is symmetrically provided with positioning structure 3.

[0017] The positioning structure 3 comprises a side support 31, the side wall of the side support 31 is fixedly connected with the side wall of the leg 2, the inner side of the side support 31 is fixedly connected with a hydraulic cylinder 32, the inner cavity of the hydraulic cylinder 32 is provided with a piston rod 33, the outer wall of the piston rod 33 is in clearance fit with the inner cavity of the leg 2, and the other end of the piston rod 33 is fixedly connected with a semicircle ring 34.

[0018] Further comprising a limiting structure 4, the top of the limiting structure 4 is fixedly connected with the lower surface of the leg 2.

[0019] The limiting structure 4 comprises a base plate 41, the upper surface center of the base plate 41 is fixedly connected with the lower surface of the leg 2, the lower surface of the base plate 41 is attached with a circular plate 42, and the upper surface four corners of the base plate 41 are provided with bolts 43, and the bottom of the bolt 43 is threadedly connected with the circular plate 42.

[0020] The center of the circular plate 42 is provided with a large circular hole.

[0021] The outer ring wall of the upper surface of the circular plate 42 is uniformly provided with a small circular hole.

[0022] Working principle: before the straight hole grouting work is carried out, the leveling and alignment are carried out in the hole in advance, then the limiting structure 4 is placed directly above the straight hole, and the large circular hole of the circular plate 42 of the limiting structure 4 is correspondingly matched, then the fixed workpieces such as bolts and screws are fixedly arranged through the small circular holes of the circular plate 42 and the ground, the fixing is more firm through the annular distribution, then the base plate 41 and the circular plate 42 are attached, the bolts 43 are threadedly connected and fixed, the leg 2 is limited and fixed, the circular hole block 1 is fixed between the two side legs 2, in the drilling process, the outer wall of the drill bit can be sleeved in the inside of the circular hole block 1 for limiting, meanwhile, the circular hole block 1 and the drill bit are in clearance fit, so that the drill bit is prevented from deviating along the interlayer crack or the hole direction, meanwhile, the two side positioning structures 3 are started to assist in positioning, the side support 31 of the positioning structure 3 is fixed outside the leg 2, the piston rod 33 is driven to move by the hydraulic cylinder 32, the two side semicircle rings 34 are moved inward and buckled, the semicircle ring 34 forms a complete ring, the positioning function of multiple sections can be increased, meanwhile, the semicircle ring 34 and the drill bit are in clearance fit and have a certain gap, so that the drill bit is more stable when ensuring downward movement, and the whole anti-inclination and straightening function is facilitated.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A straight-hole grouting positioning structure, characterized in that: It includes a circular hole block (1), and the side wall of the circular hole block (1) is symmetrically fixedly connected with a support leg (2), and the support leg (2) is inclined. The side wall of the two support legs (2) is symmetrically provided with a positioning structure (3).

2. The straight hole grouting positioning structure according to claim 1, characterized in that: The positioning structure (3) includes a side bracket (31), the side wall of the side bracket (31) is fixedly connected to the side wall of the support leg (2), a hydraulic cylinder (32) is fixedly connected to the inner side of the side bracket (31), a piston rod (33) is installed in the inner cavity of the hydraulic cylinder (32), the outer wall of the piston rod (33) is clearance-fitted with the inner cavity of the support leg (2), and a semi-circular ring (34) is fixedly connected to the other end of the piston rod (33).

3. The straight hole grouting positioning structure according to claim 1, characterized in that: It also includes a limiting structure (4), the top of which is fixedly connected to the lower surface of the support leg (2).

4. The straight hole grouting positioning structure according to claim 3, characterized in that: The limiting structure (4) includes a base plate (41), the center of the upper surface of the base plate (41) is fixedly connected to the lower surface of the support leg (2), a circular plate (42) is attached to the lower surface of the base plate (41), and bolts (43) are inserted through the four corners of the upper surface of the base plate (41), and the bottom of the bolts (43) is threadedly connected to the circular plate (42).

5. The straight hole grouting positioning structure according to claim 4, characterized in that: A large circular hole is provided at the center of the circular plate (42).

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