Sectional type rock drilling device facilitating accurate positioning

Abstract

The utility model relates to a sectional type rock drilling device convenient for accurate positioning, which comprises a sectional type rock drilling rod, a movable floating platform and a liftable camera shooting mechanism, the sectional type rock drilling rod comprises a hammerhead, a middle length-adjusting connecting section and a hammering cap, the middle length-adjusting connecting section is formed by sequentially and detachably connecting a plurality of rod sections end to end, and the hammering cap is connected with the movable floating platform. The movable floating platform comprises a floating frame with a hole reserved in the middle, the sectional type rock drilling rods can vertically penetrate through the hole downwards, a plurality of hanging lugs are arranged on the side walls of the sectional type rock drilling rods at intervals, a plurality of cable tying mechanisms are arranged on the floating frame, the hanging lugs are connected with the corresponding cable tying mechanisms through cables, and the floating frame can pull the sectional type rock drilling rods through the cables. And the liftable camera mechanism is connected with the floating frame. The non-explosion type environment-friendly reef cleaning device has the advantages that the device can be suitable for various water depth working conditions, the rock drilling rod can accurately position underwater rock to be crushed, efficient non-explosion type environment-friendly reef cleaning can be achieved in an overwater tamping mode, and the device is low in cost, simple in structure, high in reef cleaning efficiency, good in environment friendliness and capable of being applied and popularized on a large scale.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of environmental protection reef cleaning, concretely relates to a sectional rock drilling device convenient for accurate positioning. BACKGROUND

[0002] Underwater rock drilling is one of the main ways of non-explosive environmental protection reef cleaning, which usually uses a grab dredger equipped with a rock drilling rod to form a rock drilling system to process underwater rock breaking and reef breaking. When using the above rock drilling system for operation, the rock drilling rod is usually lifted to a certain height by a grab crane and then freely falls down to impact the underwater rock mass by gravity to break it. Although the existing equipment has simple structure and working principle, it has limited water depth adaptation range, positioning difficulty and low efficiency. SUMMARY

[0003] The utility model provides a sectional rock drilling device convenient for accurate positioning, aiming at overcoming many deficiencies of conventional underwater rock drilling devices in the prior art.

[0004] The technical scheme for solving the above technical problem is as follows: a sectional rock drilling device convenient for accurate positioning, which comprises a sectional rock drilling rod, a movable floating platform and a liftable camera mechanism, the sectional rock drilling rod comprises a hammer head, an intermediate length-adjusting connecting section and a hammering cap, the hammer head and the hammering cap are detachably connected through the intermediate length-adjusting connecting section, the intermediate length-adjusting connecting section is formed by a plurality of rod sections which are sequentially and detachably connected end to end, the movable floating platform comprises a floating frame with a hole reserved in the middle, the sectional rock drilling rod can vertically pass through the hole, a plurality of lug ears are arranged on the side wall of the sectional rock drilling rod at intervals, a plurality of cable tying mechanisms are arranged on the floating frame, the lug ears are connected with the corresponding cable tying mechanisms through cables, the floating frame can pull the sectional rock drilling rod through the cables and make it hover above the underwater rock in a vertical state, the liftable camera mechanism is connected with the floating frame, and the camera of the liftable camera mechanism is used to observe and guide the alignment of the hammer head with the hammering point on the underwater rock after being lowered to a depth close to the underwater bottom.

[0005] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0006] Further, the lower end of the hammer head is wedge-shaped or conical, a circular table protruding upward is coaxially arranged on the upper end face of the hammer head, and the lower end face center of the intermediate length-adjusting connecting section is concave to form a threaded sleeve for threadedly connecting the circular table therein.

[0007] Further, the upper end of each rod section is provided with a threaded joint with external threads, and the lower end is provided with a threaded sleeve with internal threads, and the adjacent two rod sections are detachably connected through the threaded joint and the threaded sleeve.

[0008] Further, the lower end surface of the hammering cap is concave to form a threaded sleeve for thread connection with the threaded joint of the upper end of the uppermost rod segment.

[0009] Further, a plurality of hanging ears are evenly spaced on the outer side wall of the hammering cap and each rod segment.

[0010] Further, the hole is a square hole, the floating frame is a square frame body, an independent hollow cavity is arranged in each side frame of the floating frame, and an air bag is arranged in the hollow cavity.

[0011] Further, the hole is a square hole, the floating frame is a square frame body, an independent hollow cavity is arranged in each side frame of the floating frame, and an air bag is arranged in the hollow cavity.

[0012] Further, the cable mechanism is a cable column or a cable ring fixed to the floating frame.

[0013] Further, the cable mechanism comprises a brake-equipped take-up reel and a motor, and the motor can drive the take-up reel to rotate to wind or unwind the cable.

[0014] Further, the liftable camera mechanism comprises an electric telescopic rod and a camera fixed to the lower end of the electric telescopic rod, and the upper end of the electric telescopic rod is fixedly connected to the bottom of the floating frame through a seat body.

[0015] Compared with the prior art, the device has the advantages that:

[0016] The segmented rock drilling rod, the movable floating platform and the liftable camera mechanism (underwater camera mechanism) can be applied to various water depth working conditions, the rock drilling rod can be accurately positioned on the water bottom rock to be broken, the water ramming mode can realize high-efficiency non-explosive environment-friendly reef cleaning, and the segmented rock drilling rod can be moved relatively easily and conveniently after processing a hammering point of the rock. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The segmented rock drilling device for accurate positioning provided by the device is shown in an axonometric view.

[0018] Figure 2 The device is shown in an axonometric view. Figure 1 The device is shown in an axonometric view.

[0019] Figure 3 The device is shown in an axonometric view.Figure 2 Fig. 2 is a top view of the floating frame and air bag shown in Fig. 1;

[0020] Figure 4 Fig. 3 is a front view of a segmented rock drilling rod in the device shown in Fig. 1; Figure 1 Fig. 4 is an exploded view of the segmented rock drilling rod shown in Fig. 3 (only one rod segment is shown).

[0021] Figure 5 Fig. 5 is a front view of a segmented rock drilling rod in the device shown in Fig. 1; Figure 4 Fig. 6 is an exploded view of the segmented rock drilling rod shown in Fig. 5 (only one rod segment is shown).

[0022] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0023] 1, hammer head; 2, hammering cap; 3, rod segment; 4, floating frame; 5, hanging ear; 6, cable; 7, round table; 8, threaded sleeve; 9, threaded joint; 10, air bag; 11, electric telescopic rod; 12, camera head. DETAILED DESCRIPTION

[0024] The principles and characteristics of the present application are described below in conjunction with the drawings, and the examples are only used to explain the present application and are not used to limit the scope of the present application.

[0025] In the description of the present application, if the terms indicating the orientation or position relationship such as "up", "down", "left", "right", "top", "bottom", "inside", "outside" are used, the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation on the present application that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation.

[0026] As Figures 1 to 5 shown, the present application provides a segmented rock drilling device convenient for accurate positioning, which comprises a segmented rock drilling rod, a mobile floating platform and a liftable camera mechanism, the segmented rock drilling rod comprises a hammer head 1, an intermediate length-adjusting connecting section and a hammering cap 2, the hammer head 1 and the hammering cap 2 are detachably connected through the intermediate length-adjusting connecting section, the intermediate length-adjusting connecting section is formed by a plurality of rod segments 3 which are sequentially and detachably connected end to end, the mobile floating platform comprises a floating frame 4 with a hole reserved in the middle, the segmented rock drilling rod can vertically pass through the hole, a plurality of hanging ears 5 are arranged on the side wall of the segmented rock drilling rod at intervals, a plurality of cable tying mechanisms are arranged on the floating frame 4, the hanging ears 5 are connected with the corresponding cable tying mechanisms through cables 6, the floating frame 4 can pull the segmented rock drilling rod through the cables 6 and make it hover above the underwater rock in a vertical state, the liftable camera mechanism is connected with the floating frame 4, and the camera head 12 of the liftable camera mechanism is used for observing and guiding the alignment of the hammer head 1 with the hammering point on the underwater rock after being lowered to a depth close to the water bottom.

[0027] It should be noted that the above-mentioned segmented rock drilling device convenient for accurate positioning provided by the utility model has segmented rock drilling rods suitable for various water depth working conditions (the number of rod sections is adjusted according to water depth), and can realize accurate positioning in combination with a floating platform, adopts a water ramming mode, and can realize high efficiency. The device has low cost and simple structure, and can be popularized and applied on a large scale. The water ramming action can be realized by a structure with ramming capacity on a grab dredger or a special ramming ship. The length of a single rod section of the segmented rock drilling rod is preferably between 1-3m, and a proper number and length of rod sections can be selected according to the water depth measured in advance at an actual operation site to ensure that the lower end of the segmented rock drilling rod can contact the underwater rock surface, and the upper part still has a certain length to facilitate more convenient and effective ramming by the water ramming equipment.

[0028] In an embodiment of the utility model, the lower end of the hammer head 1 is wedge-shaped or conical, the upper end surface of the hammer head 1 is coaxially provided with an upwardly protruding circular table 7, and the lower end surface of the intermediate length-adjusting connecting section is concave in the center to form a screw sleeve 8 for screwing the circular table 7 into it.

[0029] In an embodiment of the utility model, the upper end of each rod section 3 is provided with a screw joint 9 with external threads, and the lower end is provided with a screw sleeve 8 with internal threads, and the adjacent two rod sections 3 are detachably connected through the screw joint 9 and the screw sleeve 8.

[0030] In an embodiment of the utility model, the lower end surface of the hammering cap 2 is concave to form a screw sleeve 8 for screwing the screw joint 9 at the upper end of the uppermost rod section 3.

[0031] In an embodiment of the utility model, the outer side walls of the hammering cap 2 and each rod section 3 are uniformly and circumferentially provided with a plurality of hanging ears 5.

[0032] It should be noted that the head section (hammer head) head is used for rock breaking, and can adopt a semicircular, conical, wedge-shaped or blunt pen nib shape, etc., the tail of the head section is a protruding circular table, and the outer side wall of the circular table is provided with threads. The middle connecting section (intermediate length-adjusting connecting section) is mainly used for adjusting the length of the rock drilling rod to adapt to different water depths, the lower end of the connecting section is a concave sleeve, the inner wall of the sleeve is provided with threads, and the screw joint of the next rod section to be connected is matched. The last section is a hammering cap, which is sleeved on the circular table (screw joint) of the last connecting section, and is used for bearing the ramming force. The head section and the middle connecting section are welded with not less than four hanging ears around, which are used for connecting the cable to pull and fix the segmented rock drilling rod.

[0033] In an embodiment of the utility model, the hole is a square hole, the floating frame 4 is a square frame body, each edge frame of the floating frame 4 is equipped with an independent hollow cavity, and the floating frame 4 is equipped with an air bag 10 in the hollow cavity.

[0034] It should be noted that in the embodiment, the volume of water occupied (drained) by the floating frame as a whole in water is adjusted by the different air charging and discharging amounts of the air bag, that is, the size of the buoyancy provided by the floating frame is adjusted. The air charging and discharging can be realized by cooperation of the air bag, the air charging and discharging pipe, the air valve and the like.

[0035] In an embodiment of the utility model, the hole is a square hole, the floating frame 4 is a square frame body, each edge frame of the floating frame 4 is equipped with an independent hollow cavity, and the floating frame 4 is equipped with an air bag 10 in the hollow cavity.

[0036] It should be noted that in the embodiment, the effective buoyancy provided by the floating frame is adjusted by the change of the water amount in the hollow cavity, when the water amount in the hollow cavity is large, the effective buoyancy provided is small due to the large self-weight, and vice versa, so that the lifting of the movable floating platform in water is realized.

[0037] In an embodiment of the utility model, the mooring mechanism is a mooring column or a mooring ring fixed on the floating frame 4.

[0038] It should be noted that in the embodiment, the length adjustment of the cable and the connection with the mooring column or the mooring ring after adjustment are realized manually.

[0039] In an embodiment of the utility model, the mooring mechanism includes a take-up reel with a brake and a motor, and the motor can drive the take-up reel to rotate to wind or unwind the cable 6.

[0040] It should be noted that in the embodiment, the length adjustment of the cable is realized by driving the take-up reel by the motor, and the brake mechanism can lock the cable and the take-up reel after the cable is adjusted to a proper length.

[0041] In an embodiment of the utility model, the liftable camera mechanism includes an electric telescopic rod 11 and a camera 12 fixed on the lower end of the electric telescopic rod 11, and the upper end of the electric telescopic rod 11 is fixedly connected with the bottom of the floating frame 4 through a seat body.

[0042] It can be understood that the extension and retraction of the electric telescopic rod can adjust the depth of the camera in the water bottom, so that the rock at the water bottom and the position of the hammer head of the sectional type chisel rod can be clearly shot and observed.

[0043] The construction process of the segmented rock drilling device can refer to the following content:

[0044] 1) splice the rock drilling rod according to the water depth at the reef, and the splicing length should be greater than 1m above the water depth, so as to ensure that the conversion of the hammering point can quickly adapt to the change of underwater topography; 2) hoist the rock drilling rod to the movable floating platform, adjust the draft depth of the floating platform by winding and unwinding the cable and / or pumping water (or inflating and deflating), and keep the lower end of the rock drilling rod in a suspended state away from the bottom; 3) lower the underwater camera to above the reef (underwater rock), guide the translation of the floating platform, and align the head of the rock drilling rod with the hammering position, especially for the high-strength reef with pre-drilled holes, the head needs to be aligned with the drill hole; 4) increase the draft depth of the floating platform by water injection (or deflation), so that the rock drilling rod slowly sinks, and pay attention to aligning with the hammering point during the sinking process; 5) after the rock drilling rod contacts the reef, fix the vertical posture of the rock drilling rod through the ramming equipment (such as through the horizontal rod and the limiting ring at one end of the horizontal rod extending from the ramming equipment, and the limiting ring is sleeved on the rock drilling rod), and appropriately loosen the cable of the rock drilling rod, raise the underwater camera, start ramming the hammering cap at the end of the rock drilling rod, and until the reef is broken; 6) tighten the cable of the rock drilling rod, pump water from the floating cylinder to reduce the draft of the floating platform, so that the rock drilling rod restores to the suspended state away from the bottom, translate the floating platform to the next hammering point, and repeat the operations of 1) to 5), and when the slag removal condition is met, the floating platform can be removed and slag removal can be started.

[0045] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A segmented rock drilling device for easy and precise positioning, characterized in that, The system includes a segmented rock drill, a mobile floating platform, and a liftable camera mechanism. The segmented rock drill includes a hammer head (1), an adjustable intermediate connecting section, and a hammer cap (2). The hammer head (1) and the hammer cap (2) are detachably connected via the adjustable intermediate connecting section, which is composed of multiple rod sections (3) that are detachably connected end to end. The mobile floating platform includes a floating frame (4) with a pre-drilled hole in the middle. The segmented rock drill can pass vertically downward through the hole. The sidewalls of the segmented rock drill are spaced apart. Multiple lugs (5) are provided on the floating frame (4). The lugs (5) are connected to the corresponding mooring mechanisms via cables (6). The floating frame (4) can hold the segmented rock drill rod in a vertical position above the underwater rock via the cables (6). The liftable camera mechanism is connected to the floating frame (4). The camera (12) of the liftable camera mechanism is used to observe and guide the hammer (1) to align with the hammering point on the underwater rock after descending to a depth close to the bottom of the water.

2. The segmented rock drilling device for easy and precise positioning according to claim 1, characterized in that, The lower end of the hammer head (1) is wedge-shaped or conical, and the upper end face of the hammer head (1) is coaxially provided with an upwardly protruding frustum (7). The lower end face of the intermediate length adjustment connecting section is concave to form a threaded sleeve (8) for the frustum (7) to be threadedly connected therein.

3. A segmented rock drilling device for easy and precise positioning according to claim 1, characterized in that, Each of the rod sections (3) has a threaded connector (9) with external threads at the upper end and a threaded sleeve (8) with internal threads at the lower end. The two adjacent rod sections (3) are detachably connected by the threaded connector (9) and the threaded sleeve (8).

4. A segmented rock drilling device for easy and precise positioning according to claim 3, characterized in that, The lower end face of the hammer cap (2) is recessed to form a threaded sleeve (8) for threaded connection with the threaded joint (9) at the upper end of the uppermost rod section (3).

5. A segmented rock drilling device for easy and precise positioning according to claim 3, characterized in that, The hammer cap (2) and each of the rod sections (3) are provided with a plurality of lugs (5) evenly spaced along the circumference on their outer side walls.

6. A segmented rock drilling device for easy and precise positioning according to claim 1, characterized in that, The hole is a square hole, the floating frame (4) is a square frame, each side of the floating frame (4) is provided with an independent hollow cavity, the hollow cavity is provided with an airbag (10), and the bottom and top of each side are provided with through holes communicating with the hollow cavity.

7. A segmented rock drilling device for easy and precise positioning according to claim 1, characterized in that, The hole is a square hole, the float frame (4) is a square frame, each side of the float frame (4) is provided with an independent hollow cavity, and the float frame (4) is provided with a water injection mechanism, which is used to inject water into the hollow cavity or to discharge the water in the hollow cavity outward.

8. A segmented rock drilling device for easy and precise positioning according to claim 1, characterized in that, The mooring mechanism is a mooring post or mooring ring fixed on the floating frame (4).

9. A segmented rock drilling device for easy and precise positioning according to claim 1, characterized in that, The mooring mechanism includes a take-up reel with a brake and a motor, the motor of which can drive the take-up reel to rotate in order to take up and release the cable (6).

10. A segmented rock drilling device for easy and precise positioning according to any one of claims 1 to 9, characterized in that, The liftable camera mechanism includes an electric telescopic rod (11) and a camera (12) fixed to the lower end of the electric telescopic rod (11). The upper end of the electric telescopic rod (11) is fixedly connected to the bottom of the floating frame (4) through a base.

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