Blasting point drilling mechanism for mountain tunnel blasting

Abstract

The utility model provides a blasting point drilling mechanism for mountain tunnel blasting, which comprises a U-shaped rack, and the U-shaped rack is provided with a semicircular groove; the electric drill is connected with the electric drill frame which is connected with the sliding block; a bearing in the sliding groove is connected with a screw rod, the sliding block is arranged in the sliding groove, and the screw rod is in threaded connection with the sliding block; the symmetrical rotating shafts are rotationally connected with the U-shaped rack respectively, and the symmetrical rotating shafts are connected with the sliding grooves respectively; the symmetrical limiting rods are arranged in the corresponding semicircular grooves respectively, and the symmetrical limiting rods are connected with the sliding grooves respectively. The utility model relates to the technical field of tunnel construction, in particular to a blasting point drilling mechanism for mountain tunnel blasting. According to the blasting point drilling mechanism for mountain tunnel blasting, the defects in the prior art are overcome, inclined holes can be drilled, and meanwhile a power source for driving the electric drill to move to achieve drilling is fixedly arranged.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a blasting point drilling mechanism for mountain tunnel blasting. Background Art

[0002] Drilling and blasting is a commonly used technology in tunnel engineering. It is simple, widely applicable and highly adaptable. The main processes of drilling and blasting include surveying and laying out, hole arrangement, drilling, charging and networking, detonation, ventilation and smoke exhaust, safety inspection, clearing dangerous rocks and slag removal. The specific construction sequence may vary depending on the self-stabilizing conditions of the surrounding rock and whether secondary support is required. Before construction, it is also necessary to design a blasting plan, select qualified blasting materials, and organize and train construction personnel.

[0003] Prior art, for example, a utility model of a punching device for blasting in an open-pit mine, with the authorization announcement number CN217501570U. The operator can judge whether the punching position is at the predetermined punching point by looking at the marking circle at the front end of the punching rod, and the range of the marking circle is more obvious than the front end of the drill hole, thereby helping to reduce the difficulty of punching.

[0004] Currently, there is still a lack of a device that is convenient for drilling inclined holes and that can drive the electric drill to move and achieve a fixed power source for drilling.

[0005] Therefore, in view of the above problems, a blasting point drilling mechanism for mountain tunnel blasting is proposed to solve the above problems. Utility Model Content

[0006] Aiming at the deficiencies of the prior art, the utility model develops a blasting point drilling mechanism for mountain tunnel blasting. The utility model can drill an inclined hole and at the same time, a power source for driving an electric drill to move and realize drilling is fixedly arranged.

[0007] The technical solution of the utility model to solve the technical problem is as follows: the utility model provides a blasting point drilling mechanism for mountain tunnel blasting, including a U-shaped frame, the U-shaped frame is provided with a semicircular groove; an electric drill connected to an electric drill frame, the electric drill frame is connected to a slider; a slide groove, the inner bearing of which is connected to a screw rod, the slider is arranged in the slide groove, and the screw rod is threadedly connected to the slider; symmetrical rotating shafts, respectively rotatably connected to the U-shaped frame, the symmetrical rotating shafts are respectively connected to the slide grooves; symmetrical limiting rods are respectively arranged in the corresponding semicircular grooves, and the symmetrical limiting rods are respectively connected to the slide grooves. By adopting the rotating shaft rotation connection, the limiting rod is arranged in the semicircular groove, the electric drill angle can be adjusted, and the inclined blasting point hole can be drilled.

[0008] As an optimization, the slide is connected to the block, the block bearing is connected to the central axis of the power bevel gear, the screw is connected to the driven bevel gear, and the power bevel gear meshes with the driven bevel gear. By adopting the meshing of the bevel gears, the power is transmitted to the screw.

[0009] As an optimization, the U-shaped frame is connected to the motor, the output shaft of the motor and the central shaft of the power bevel gear are respectively connected to the wheels, the two wheels are respectively connected to the connecting rods by bearings, the two connecting rods are respectively connected to the central shafts of the double wheels by bearings, one end of the two synchronous belts surrounds the corresponding wheels, and the other end of the two synchronous belts surrounds the corresponding wheels of the double wheels. By using the motor to drive and the synchronous belt transmission, the power is transmitted to the screw.

[0010] As an optimization, the U-shaped frame is rotatably connected to the limit L rod, and the lower connecting rod is provided with a straight groove, and the round rod of the limit L rod is arranged in the straight groove. By arranging the round rod of the limit L rod in the straight groove, the stability of the movement of the connecting rod and the like is increased when the slideway swings.

[0011] As an optimization, at least one of the rotating shafts is connected to a positioning block, and the positioning block is provided with a group of evenly distributed positioning holes. The U-shaped frame is connected to at least one fixing block, and the fixing block is threadedly connected to a bolt, and the bolt matches the positioning hole. By using the bolt and the positioning hole, the angle of the electric drill is fixed after it is adjusted into place.

[0012] As an optimization, the slide groove is connected to symmetrical track rods, the electric drill frame is provided with symmetrical track grooves, and the symmetrical track rods are respectively nested in the corresponding track grooves. By using the track rods nested in the track grooves, the stability of the drilling process is increased.

[0013] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:

[0014] (1) The device sets a limit rod in a semicircular groove and adjusts the position of the limit rod to adjust the angle of the electric drill bit, thereby achieving drilling of an inclined hole.

[0015] (2) The device uses bolts and positioning holes to facilitate the fixation of the drill bit after the angle is adjusted, which is convenient for subsequent drilling.

[0016] (3) This device uses a synchronous belt, a rotating wheel, and a connecting rod to fix the power source motor on the bottom plate of the U-shaped frame, transmit the motor power to the screw, and realize the electric drill to move and drill holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0019] Figure 2 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0020] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0021] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0022] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0023] Figure 6 It is a three-dimensional structural schematic diagram of the utility model.

[0024] In the figure: 1, U-shaped frame, 2, semicircular groove, 3, motor, 4, bolt, 5, fixing block, 6, electric drill, 7, electric drill stand, 8, track groove, 9, slider, 10, slide groove, 11, track rod, 12, screw, 13, limit rod, 14, positioning block, 15, positioning hole, 16, block, 17, power bevel gear, 18, driven bevel gear, 19, shaft, 20, wheel, 21, connecting rod, 22, synchronous belt, 23, double wheel, 24, straight groove, 25, limit L rod. DETAILED DESCRIPTION

[0025] In order to clearly illustrate the technical features of this solution, the utility model is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] like Figures 1 to 6 As shown, embodiment 1: a blasting point drilling mechanism for mountain tunnel blasting, comprising a U-shaped frame 1, wherein the U-shaped frame 1 is provided with a semicircular groove 2; an electric drill 6, connected to an electric drill frame 7, wherein the electric drill frame 7 is connected to a slider 9; a slide 10, wherein the inner bearing is connected to a screw 12, wherein the slider 9 is arranged in the slide 10, wherein the screw 12 is threadedly connected to the slider 9; symmetrical rotating shafts 19, respectively rotatably connected to the U-shaped frame 1, wherein the symmetrical rotating shafts 19 are respectively connected to the slide 10; symmetrical limiting rods 13, respectively arranged in the corresponding semicircular grooves 2, wherein the symmetrical limiting rods 13 are respectively connected to the slide 10. By adopting the rotating shaft 19 for rotational connection and setting the limiting rod 13 in the semicircular groove 2, the angle adjustment of the electric drill 6 is realized, and the drilling of inclined blasting point holes is realized.

[0027] The slide 10 is connected to the block 16, the block 16 is connected to the central axis of the power bevel gear 17 by a bearing, the screw 12 is connected to the driven bevel gear 18, and the power bevel gear 17 is meshed with the driven bevel gear 18. By adopting the meshing of the bevel gears, the power is transmitted to the screw 12.

[0028] The U-shaped frame 1 is connected to the motor 3, the output shaft of the motor 3 and the central shaft of the power bevel gear 17 are respectively connected to the runner 20, the two runners 20 are respectively connected to the connecting rod 21 with bearings, the two connecting rods 21 are respectively connected to the central shafts of the double runners 23 with bearings, one end of the two synchronous belts 22 surrounds the corresponding runners 20, and the other end of the two synchronous belts 22 surrounds the corresponding runners of the double runners 23. The power is transmitted to the screw 12 by driving with the motor 3 and transmitting with the synchronous belt 22.

[0029] At least one of the rotating shafts 19 is connected to a positioning block 14, and the positioning block 14 is provided with a group of evenly distributed positioning holes 15. The U-shaped frame 1 is connected to at least one fixing block 5, and the fixing block 5 is threadedly connected to a bolt 4, and the bolt 4 matches the positioning hole 15. By using the bolt 4 and the positioning hole 15, the angle of the electric drill 6 is fixed after being adjusted into place.

[0030] The workflow of this embodiment is:

[0031] The U-shaped frame 1 is fixed on the moving mechanism, and the moving mechanism drives the device to move and turn in the horizontal plane, and to move in the height direction. The moving mechanism is operated to drive the device to the punching position.

[0032] Swing the chute 10, the chute 10 drives the screw 12, the slider 9, the electric drill frame 7, the electric drill 6, the driven bevel gear 18, the block 16 and the power bevel gear 17 to swing, the chute 10 drives the rotating shaft 19 and the positioning block 14 to rotate, and the chute 10 drives the limit rod 13 to move in the semicircular groove 3. The power bevel gear 17 drives the upper side wheel 20, the connecting rod 21 and the synchronous belt 22 to swing, and the upper side connecting rod 21 drives the double wheels 23, the lower side connecting rod 21 and the synchronous belt 22 to swing, so that the electric drill 6 swings to a suitable angle. Tighten the bolt 4 into the appropriate positioning hole 15.

[0033] Turn on the motor 3 and the electric drill 6. The motor 3 drives the lower rotating wheel 20 to rotate. The lower rotating wheel 20 drives the double rotating wheels 23 to rotate through the lower synchronous belt 22. The double rotating wheels 23 drive the upper rotating wheel 20 and the power bevel gear 17 to rotate through the upper synchronous belt 22. The power bevel gear 17 drives the driven bevel gear 18 and the screw 12 to rotate. The screw 12 drives the slider 9 to move along the slide groove 10. The slider 9 drives the electric drill frame 7 and the electric drill 6 to move. The electric drill 6 drives the drill bit to rotate and move at the same time to achieve drilling.

[0034] Embodiment 2: This embodiment is further described on the basis of embodiment 1, the slide groove 10 is connected to the symmetrical track rod 11, the electric drill frame 7 is provided with symmetrical track grooves 8, and the symmetrical track rods 11 are respectively nested in the corresponding track grooves 8. By using the track rods 11 nested in the track grooves 8, the stability of the drilling process is increased.

[0035] The workflow of this embodiment is:

[0036] When the slide slot 10 is swung, the slide slot 10 drives the track rod 11 to swing. When the motor 3 is turned on, the electric drill frame 7 moves along the track rod 11.

[0037] Embodiment 3: This embodiment is further described on the basis of Embodiment 1 or 2, wherein the U-shaped frame 1 is rotatably connected to the limit L rod 25, and the lower connecting rod 21 is provided with a straight groove 24, and the round rod of the limit L rod 25 is arranged in the straight groove 24. By arranging the round rod of the limit L rod 25 in the straight groove 24, the stability of the movement of the connecting rod 21 and the like is increased when the slide 10 swings.

[0038] The workflow of this embodiment is:

[0039] When the slide slot 10 is swung, the lower connecting rod 21 drives the limiting L rod 25 to swing, and the round rod of the limiting L rod 25 moves along the straight groove 24 .

[0040] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A blasting point drilling mechanism for mountain tunnel blasting, characterized by: It comprises a U-shaped frame (1), wherein the U-shaped frame (1) is provided with a semicircular groove (2); An electric drill (6) is connected to an electric drill frame (7), and the electric drill frame (7) is connected to a slide block (9); A slide groove (10), wherein a bearing inside the slide groove is connected to a screw rod (12), the slider (9) is arranged in the slide groove (10), and the screw rod (12) is threadedly connected to the slider (9); Symmetrical rotating shafts (19) are rotatably connected to the U-shaped frames (1), and the symmetrical rotating shafts (19) are respectively connected to the slide grooves (10); Symmetrical limiting rods (13) are respectively arranged in the corresponding semicircular grooves (2), and the symmetrical limiting rods (13) are respectively connected to the sliding grooves (10); The slide groove (10) is connected to the block (16), the bearing of the block (16) is connected to the central axis of the power bevel gear (17), the screw (12) is connected to the driven bevel gear (18), and the power bevel gear (17) meshes with the driven bevel gear (18); The U-shaped frame (1) is connected to a motor (3); the output shaft of the motor (3) and the central axis of the power bevel gear (17) are respectively connected to a rotating wheel (20); the two rotating wheels (20) are respectively connected to a connecting rod (21) by a bearing; the two connecting rods (21) are respectively connected to the central axis of a double rotating wheel (23) by a bearing; one end of two synchronous belts (22) respectively surrounds the corresponding rotating wheel (20); and the other ends of the two synchronous belts (22) respectively surround the rotating wheels of the corresponding double rotating wheels (23).

2. The blasting point drilling mechanism for mountain tunnel blasting according to claim 1 is characterized by: The U-shaped frame (1) is rotatably connected to a position-limiting L-rod (25); a straight groove (24) is provided on the lower connecting rod (21); and a round rod of the position-limiting L-rod (25) is arranged in the straight groove (24).

3. The blasting point drilling mechanism for mountain tunnel blasting according to claim 1 is characterized by: At least one of the rotating shafts (19) is connected to a positioning block (14), the positioning block (14) being provided with a group of evenly distributed positioning holes (15), the U-shaped frame (1) being connected to at least one fixing block (5), the fixing block (5) being threadedly connected to a bolt (4), the bolt (4) matching the positioning hole (15).

4. The blasting point drilling mechanism for mountain tunnel blasting according to claim 1 is characterized by: The slide grooves (10) are connected to symmetrical track rods (11), the electric drill frame (7) is provided with symmetrical track grooves (8), and the symmetrical track rods (11) are respectively nested in corresponding track grooves (8).

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