Positioning device for cement mixing pile drill rod

Abstract

The utility model relates to the field of cement mixing pile construction, in particular to a positioning device for a cement mixing pile drill rod, which comprises a cross rod and a fixing mechanism, the cross rod is in sliding connection with the fixing mechanism, the fixing mechanism is provided with a first limiting piece, and the first limiting piece can abut against the cross rod; the fixing mechanism is used for being connected with a machine body of the cement mixing pile drilling machine. Two positioning pieces are arranged on the cross rod, and the positioning pieces are connected with the cross rod in a sliding manner; according to the stability principle of a triangle, drill rod point positions and design point positions are led out of a cement mixing pile drilling machine, accurate positioning of a single-shaft cement mixing pile drill rod is achieved, and drill rod deviation is avoided; and the difficulty of positioning the single-shaft cement mixing pile drill rod by an operator is simplified, the construction efficiency is improved, and the safety of the operator is ensured.

Description

Technical Field

[0001] The utility model relates to the field of cement mixing pile construction, in particular to a positioning device for a cement mixing pile drill rod. Background Art

[0002] Cement mixing piles use cement-based curing agents to forcefully mix soft soil with the curing agent through deep mixing machinery, causing the soft soil to harden into a reinforced body with integrity, water stability and a certain strength, thereby improving the bearing capacity of the foundation, reducing settlement or forming a support / water interception structure; before the construction of cement mixing piles, a total station or theodolite must be used to mark out the points to ensure that the pile position deviation is within the allowable range. Afterwards, the cement mixing pile drilling rig is placed above the designed point to align the drill rod with the designed point.

[0003] However, after the cement mixing pile drilling rig is installed and placed, it is impossible to visually observe whether the drill rod position is at the designed position because the design point is blocked by the body of the cement mixing pile drilling rig. The operator can only observe by moving under the drilling rig, which makes the adjustment of the drill rod position time-consuming and poses certain safety risks. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art in that the design points are blocked by the body of the cement mixing pile drilling rig, resulting in a long time-consuming adjustment of the drill rod position, and to provide a positioning device for the cement mixing pile drill rod.

[0005] The utility model provides a positioning device for a cement mixing pile drill rod, comprising:

[0006] A crossbar and a fixing mechanism, wherein the crossbar is slidably connected to the fixing mechanism, the fixing mechanism is provided with a first limiter, and the first limiter is capable of abutting against the crossbar; the fixing mechanism is used to connect to the body of the cement mixing pile drilling rig;

[0007] The crossbar is provided with two positioning members, which are slidably connected to the crossbar.

[0008] The utility model discloses a positioning device for a cement mixing pile drill rod, wherein a cross bar is arranged horizontally, and two positioning pieces are provided on the cross bar, and the two positioning pieces are arranged at intervals, and on a horizontal plane, the two positioning pieces and the drill rod form a triangle; by staking out two reference points for a design point, the two positioning pieces form two measuring points, so that the triangle formed by the design point and the two reference points, and the triangle formed by the two measuring points and the drill rod are identical; when an operator confirms the position of the design point and the drill rod, the operator determines the degree of deviation of the drill rod from the design point by observing the coincidence degree between the reference point and the two measuring points; by using the positioning device for the cement mixing pile drill rod, the design point and the drill rod point are led out to the outside of the cement mixing pile drilling rig, so that the operator can easily observe and quickly realize the positioning of the drill rod, thereby improving the working efficiency; the positioning piece is slidably connected to the cross bar, and can adapt to the measurement of reference points of different staking out by adjusting the position of the positioning piece; the cross bar is fixed to the body of the cement mixing pile drilling rig by a fixing mechanism, and the cross bar is fixed by a first limit piece, which is convenient for use.

[0009] Preferably, the fixing mechanism is provided with a fixing piece, and the fixing piece is detachably connected to the body of the cement mixing pile drilling rig.

[0010] The fixing part is a fixing bolt, which is firmly connected to the body of the cement mixing pile drilling rig by means of bolt connection. After the measurement is completed, the fixing mechanism can be removed from the body of the cement mixing pile drilling rig. The positioning device used for the cement mixing pile drill rod can be applied to multiple cement mixing pile drilling rigs, saving costs. When in use, the cross bar extends horizontally from the side of the cement mixing pile drilling rig.

[0011] Preferably, the fixing mechanism includes a base body, the base body is provided with a sliding channel, and the cross bar is slidably arranged in the sliding channel.

[0012] The fixing mechanism is guided and limited by the sliding channel, thereby ensuring that the cross bar is in a horizontal state, and the cross-sectional shape of the sliding channel is adapted to the cross-sectional shape of the cross bar.

[0013] Preferably, a limiting hole communicating with the sliding channel is provided on the seat body, and the first limiting member includes a limiting bolt, which is threadedly connected to the limiting hole.

[0014] The limiting bolt abuts against the cross bar, so that the cross bar is clamped by the seat body and the limiting bolt, and the cross bar is fixed.

[0015] Preferably, the crossbar is a prismatic rod with a rectangular cross section.

[0016] The prismatic rod makes it easier to control the horizontal position of the crossbar, thereby ensuring the accuracy of the measurement.

[0017] Preferably, the positioning member includes a plumb member, a connecting line and a connecting member, one end of the connecting line is connected to the plumb member, and the other end is connected to the connecting member, and the connecting member is slidably connected to the cross bar.

[0018] The bottom of the plumb piece is constructed in a cone shape, so that the plumb piece can accurately locate the reference point, and the connecting piece slides on the crossbar to adjust the hanging position of the plumb piece.

[0019] Preferably, hooks are respectively provided at both ends of the connecting line, the hooks are detachably connected to the plumb piece, and the hooks are detachably connected to the connecting piece.

[0020] The connecting wires are detachably connected to the plumb piece and the connecting piece respectively. By replacing the connecting wires of different lengths, the fixing mechanism can be adapted to be installed at different heights of the cement mixing pile drilling rig, thereby improving the applicability.

[0021] Preferably, the connecting member includes a frame-shaped member, the frame-shaped member is sleeved on the cross bar, and the frame-shaped member is slidably connected to the cross bar.

[0022] The frame is a "U"-shaped frame, and a channel adapted to the shape of the crossbar is opened in the middle of the frame, so that the frame can slide smoothly on the crossbar, making it convenient for operators to adjust the position of the plumb part.

[0023] Preferably, a second limiting member is provided on the top of the frame-shaped member, and the second limiting member can abut against the cross bar.

[0024] The frame-shaped member is fixed at a designated position of the crossbar by the second limiting member, so as to facilitate observation by operators.

[0025] Preferably, the crossbar is provided with scale markings.

[0026] The scale markings make it easy for operators to accurately adjust the position of the positioning piece on the crossbar.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. The utility model provides a positioning device for a cement mixing pile drill rod, wherein a cross bar is arranged horizontally, and two positioning pieces are provided on the cross bar, and the two positioning pieces are arranged at intervals, and on a horizontal plane, the two positioning pieces and the drill rod form a triangle; by staking out two reference points for a design point, the two positioning pieces form two measuring points, so that the triangle formed by the design point and the two reference points, and the triangle formed by the two measuring points and the drill rod are identical; when an operator confirms the position of the design point and the drill rod, the operator determines the degree of deviation of the drill rod from the design point by observing the coincidence degree between the reference point and the two measuring points; by using the positioning device for the cement mixing pile drill rod, the design point and the drill rod point are led out to the outside of the cement mixing pile drilling rig, so that the operator can easily observe, quickly realize the positioning of the drill rod, and improve the working efficiency; the positioning piece is slidably connected to the cross bar, and the position of the positioning piece can be adjusted to adapt to the measurement of reference points of different staking out; the cross bar is fixed to the body of the cement mixing pile drilling rig by a fixing mechanism, and the cross bar is fixed by a first limit piece for easy use;

[0029] 2. The utility model provides a positioning device for cement mixing pile drill rods, which has a simple structure, is easy to manufacture and easy to use. It uses the stability principle of a triangle to lead the drill rod point and the design point outside the cement mixing pile drilling rig, thereby achieving precise positioning of the single-axis cement mixing pile drill rod and avoiding drill rod deviation; ensuring the accuracy of cement mixing pile construction, ensuring the construction quality of cement mixing piles, and realizing fast and safe construction of cement mixing piles; simplifying the difficulty of positioning the single-axis cement mixing pile drill rod for operators, improving construction efficiency, ensuring the safety of operators, and having good economic value and practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a structural schematic diagram of a positioning device for a cement mixing pile drill rod according to the present invention;

[0031] Figure 2 This is a structural schematic diagram of a fixing mechanism of a positioning device for a cement mixing pile drill rod according to the present invention;

[0032] Figure 3 This is a structural schematic diagram of a positioning member of a positioning device for a cement mixing pile drill rod according to the present invention;

[0033] Figure 4 This is a structural schematic diagram of a connecting line of a positioning device for a cement mixing pile drill rod according to the present invention;

[0034] Figure 5 The utility model is a structural schematic diagram of a crossbar of a positioning device for a cement mixing pile drill rod.

[0035] Markings in the figure:

[0036] 1-fixing mechanism, 2-cross bar, 3-first limiting member, 4-positioning member, 41-connecting member, 42-connecting line, 43-plumb member, 44-second limiting member, 45-hook, 5-fixing member, 6-sliding channel, 7-limiting hole, 8-scale mark. DETAILED DESCRIPTION

[0037] The present invention will be further described in detail below with reference to specific embodiments. However, this should not be construed as limiting the scope of the present invention to the following embodiments. All technologies implemented based on the present invention fall within the scope of the present invention.

[0038] Unless otherwise specified, in the description of the specific embodiments of the present invention, the terms indicating orientation or positional relationships such as "upper," "lower," "left," "right," "center," "inside," and "outside" are based on the orientation or positional relationships shown in the accompanying drawings, or are the orientation or positional relationships in which the product / device / apparatus of the present invention is placed when it is conventionally used. These terms of orientation or positional relationships are merely for the purpose of facilitating the description of the present invention or simplifying the description of the specific embodiments to facilitate a quick understanding of the solutions by technicians, and do not indicate or imply that a particular device / component / element must have a specific orientation or be constructed and operated in a specific positional relationship. Therefore, they should not be understood as limitations on the present invention.

[0039] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simply understood that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", and "parallel", and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the solution of the present utility model.

[0040] In addition, the expressions “first”, “second”, “third”, etc. in the terms are merely used to distinguish the description of the same or similar components, and should not be understood as emphasizing or implying the relative importance of specific components.

[0041] In addition, in the description of the embodiments of the present invention, "several", "a plurality", and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.

[0042] Furthermore, in the description of the technical solutions of this utility model, unless otherwise expressly specified / defined / restricted, the terms "disposed," "installed," "connected," "connected," "provided with," "laid," and "arranged" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections. They may be welding, riveting, bolting, threading, or other commonly used connection methods in the art. Such connections may be mechanical, electrical, or communication connections; they may be direct connections, indirect connections through an intermediate medium, or internal connections between two components.

[0043] Example 1

[0044] like Figure 1-Figure 5 As shown, a positioning device for a cement mixing pile drill rod is specifically composed of a cross bar 2 and a fixing mechanism 1: the cross bar 2 is slidably connected to the fixing mechanism 1, so that the cross bar 2 can be relatively displaced in the horizontal direction with the fixing mechanism 1, thereby adjusting the length of the cross bar 2 extending from the fixing mechanism 1; the fixing mechanism 1 is provided with a first limiter 3, which abuts against the cross bar 2, so that the relative position of the cross bar 2 and the fixing mechanism 1 can be fixed; the fixing mechanism 1 is used to be connected to the body of the cement mixing pile drilling rig, so that the cross bar 2 is fixed to the body of the cement mixing pile drilling rig through the fixing mechanism 1;

[0045] Two positioning members 4 are provided on the crossbar 2 , and the two positioning members 4 are used for comparison with two points of the design point layout. The positioning members 4 are slidably connected to the crossbar 2 , and the position of the positioning members 4 on the crossbar 2 can be adjusted.

[0046] The crossbar 2 is set horizontally, and two positioning pieces 4 are provided on the crossbar 2. The two positioning pieces 4 are set at intervals. On the horizontal plane, the two positioning pieces 4 and the drill rod form a triangle. By setting out two reference points for the design point, the two positioning pieces 4 form two measuring points, so that the triangle formed by the design point and the two reference points, and the triangle formed by the two measuring points and the drill rod are the same. When the operator confirms the position of the design point and the drill rod, he determines the degree of deviation of the drill rod from the design point by observing the overlap between the reference point and the two measuring points. By using a cement mixing The positioning device of the pile drill rod leads the design point and the drill rod point to the outside of the cement mixing pile drilling rig, making it easy for operators to observe and quickly realize the positioning of the drill rod, thereby improving the working efficiency; the positioning member 4 is slidably connected to the cross bar 2, and the position of the positioning member 4 can be adjusted to adapt to the reference point measurement of different layouts; the cross bar 2 is fixed to the body of the cement mixing pile drilling rig through the fixing mechanism 1, and the cross bar 2 is fixed by the first limit member 3 for easy use; the accuracy of the cement mixing pile construction is guaranteed, the construction quality of the cement mixing pile is guaranteed, and the rapid and safe construction of the cement mixing pile is realized.

[0047] In one or several embodiments, the fixing mechanism 1 is provided with a fixing part 5, which is detachably connected to the body of the cement mixing pile drilling rig. Specifically, the fixing mechanism 1 includes a base body, which is provided with a sliding channel 6. The cross bar 2 is slidably arranged in the sliding channel 6. The base body is provided with a limiting hole 7 connected to the sliding channel 6. The first limiting part 3 is a limiting bolt, which is threadedly connected to the limiting hole 7.

[0048] Specifically, two fixing holes are provided on the base body, and the two fixing holes are respectively located on both sides of the sliding channel 6. Connecting holes corresponding to the fixing holes are opened on the cement mixing pile drilling rig. After the fixing holes are aligned with the connecting holes, the base body is fixed to the cement mixing pile drilling rig by limiting bolts; after the base body is fixed, the extension direction of the sliding channel 6 is horizontal, so that the cross bar 2 can only be displaced in the horizontal direction.

[0049] In one or several embodiments, the cross bar 2 is a prismatic bar with a rectangular cross-section. Specifically, the cross-section shape of the sliding channel 6 is rectangular, and the cross-section shape of the sliding channel 6 is adapted to the cross-section shape of the cross bar 2, so that the sliding channel 6 can limit the cross bar 2, thereby ensuring that the cross bar 2 can only move in the horizontal direction.

[0050] In one or several embodiments, the positioning member 4 includes a plumb member 43, a connecting line 42 and a connecting member 41, one end of the connecting line 42 is connected to the plumb member 43, and the other end is connected to the connecting member 41, and the connecting member 41 is slidably connected to the cross bar 2; specifically, the plumb member is a conical member, and a cone tip is provided at the bottom of the plumb member, and the connecting line 42 is connected to the center position of the top of the plumb member, so that after the plumb member 43 is affected by gravity, the connecting line 42 is straightened, and the straightened connecting line 42 is located on the same straight line as the cone tip; when in use, the cone tip is compared with the position of the layout point to obtain the position of the drill rod.

[0051] In an optional embodiment, hooks 45 are respectively provided at both ends of the connecting line 42, and the hooks 45 are detachably connected to the plumb piece 43, and the hooks 45 are detachably connected to the connecting piece 41; specifically, during actual use, hooks 45 are respectively provided at both ends of the connecting line 42 to facilitate replacement of connecting lines 42 of different lengths. Specifically, connecting parts are respectively provided on the plumb piece 43 and the connecting piece 41, and the hooks 45 are detachably connected to the connecting parts.

[0052] In an optional embodiment, the connecting member 41 includes a frame-shaped member, which is mounted on the cross bar 2 and is slidably connected to the cross bar 2. Specifically, the position of the plumb member is adjusted by sliding the frame-shaped member on the cross bar 2. In some embodiments, the frame-shaped member is made of a transparent material structural member, and a vertical marking line is set at the corresponding connection position to facilitate the separate control of the positions of the two positioning members 4.

[0053] In an optional embodiment, a second limiting member 44 is provided on the top of the frame-shaped member, and the second limiting member 44 can abut against the cross bar 2. Specifically, the second limiting member 44 is a bolt member, and the limitation is achieved by the bolt member abutting against the cross bar 2.

[0054] In one or more embodiments, a scale mark 8 is provided on the cross bar 2 . Specifically, the scale mark 8 includes a plurality of scale lines, which facilitates the operator to adjust the position of the positioning member 4 .

[0055] A method for using a positioning device for a cement mixing pile drill rod is as follows: before construction, using professional measuring instruments such as a total station and a GPS to accurately measure and stake out two reference points outside the range of a pile foundation based on a design point; in the same way, two measuring points are staked out on a cross bar 2 based on a drill rod position; the triangle formed by the design point and the two reference points is made identical to the triangle formed by the drill rod position and the two measuring points; during construction, the plumb bobs suspended on the cross bar 2 are aligned with the staked-out points respectively, and the drill rod of a single-axis cement mixing pile is accurately positioned by means of the stability principle of the triangle; the accuracy of cement mixing pile construction is ensured, the construction quality of the cement mixing pile is guaranteed, and rapid and safe cement mixing pile construction is achieved.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A positioning device for a cement mixing pile drill rod, characterized in that: include: A crossbar (2) and a fixing mechanism (1), wherein the crossbar (2) is slidably connected to the fixing mechanism (1), and the fixing mechanism (1) is provided with a first limiting member (3), and the first limiting member (3) can abut against the crossbar (2); the fixing mechanism (1) is used to be connected to the body of a cement mixing pile drilling rig; Two positioning members (4) are provided on the cross bar (2), and the positioning members (4) are slidably connected to the cross bar (2).

2. A positioning device for a cement mixing pile drill rod according to claim 1, characterized in that: The fixing mechanism (1) is provided with a fixing part (5), and the fixing part (5) is detachably connected to the body of the cement mixing pile drilling rig.

3. A positioning device for a cement mixing pile drill rod according to claim 1, characterized in that: The fixing mechanism (1) comprises a seat body, the seat body is provided with a sliding channel (6), and the cross bar (2) is slidably arranged in the sliding channel (6).

4. A positioning device for cement mixing pile drill rod according to claim 3, characterized in that: The seat body is provided with a limiting hole (7) communicating with the sliding channel (6), and the first limiting member (3) comprises a limiting bolt, which is threadedly connected to the limiting hole (7).

5. A positioning device for cement mixing pile drill rod according to claim 1, characterized in that: The crossbar (2) is a prismatic rod with a rectangular cross section.

6. A positioning device for cement mixing pile drill rod according to claim 1, characterized in that: The positioning member (4) comprises a plumb member (43), a connecting line (42) and a connecting member (41), one end of the connecting line (42) is connected to the plumb member (43), and the other end is connected to the connecting member (41), and the connecting member (41) is slidably connected to the crossbar (2).

7. A positioning device for cement mixing pile drill rod according to claim 6, characterized in that: Hooks (45) are respectively provided at both ends of the connecting line (42); the hooks (45) are detachably connected to the plumb member (43); and the hooks (45) are detachably connected to the connecting member (41).

8. A positioning device for a cement mixing pile drill rod according to claim 7, characterized in that: The connecting member (41) comprises a frame-shaped member, the frame-shaped member is sleeved on the cross bar (2), and the frame-shaped member is slidably connected to the cross bar (2).

9. A positioning device for a cement mixing pile drill rod according to claim 8, characterized in that: A second limiting member (44) is provided on the top of the frame-shaped member, and the second limiting member (44) can abut against the cross bar (2).

10. A positioning device for a cement mixing pile drill rod according to any one of claims 1 to 9, characterized in that: The crossbar (2) is provided with a scale mark (8).

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