Drilling equipment

Abstract

The invention discloses drilling equipment, and belongs to the technical field of machining equipment. The drilling equipment comprises a base, a supporting column and a supporting arm, wherein the supporting column is installed on the base and extends in the vertical direction, and the supporting arm is installed on the supporting column and extends in the horizontal direction. Wherein the supporting arm comprises a fixed supporting section and a movable supporting section, the fixed supporting section is fixedly arranged in the horizontal direction, and the movable supporting section rotates around the horizontal axis relative to the fixed supporting section under the action of a first driving mechanism; the drill bit and the second driving mechanism are installed on the movable supporting section of the supporting arm, the second driving mechanism comprises a second rotating motor, a driving belt wheel, a driven belt wheel and a transmission belt, and the drill bit is connected to the driven belt wheel on the side away from the fixed supporting section; the second rotating motor is arranged on the side close to the fixed supporting section. According to the invention, drilling operation can be realized in a narrow space.

Description

Technical Field

[0001] The present invention relates to the technical field of machining equipment, and particularly to a drilling device suitable for narrow spaces. Background Art

[0002] After large mining equipment is installed and used, when additional equipment is installed on it later, for the convenience of disassembly and replacement, bolt or pin connections are usually adopted. Therefore, it is necessary to open connection holes on the equipment at the work site. Due to the space limitation during the installation of some equipment, ordinary drilling equipment cannot be used for machining, so it is necessary to provide a drilling device that can perform drilling work in narrow spaces. Summary of the Invention

[0003] The technical problem to be solved by the present invention is that existing drilling equipment cannot perform drilling in narrow spaces. To this end, the present invention provides a drilling device suitable for narrow spaces.

[0004] In view of the above technical problems, the present invention provides the following technical solutions:

[0005] A drilling device, comprising: a base, a support column installed on the base and extending in the vertical direction, and a support arm installed on the support column and extending in the horizontal direction; wherein, the support arm includes a fixed support section and a movable support section, and the movable support section rotates relative to the fixed support section around a horizontal axis under the action of a first driving mechanism; a drill bit installed on the movable support section of the support arm and a second driving mechanism, the second driving mechanism includes a second rotating motor, a driving pulley, a driven pulley and a transmission belt, the drill bit is connected to the driven pulley on the side far from the fixed support section, and the second rotating motor is arranged on the side close to the fixed support section.

[0006] In some embodiments of the present invention, the first driving mechanism includes a first rotating motor installed on the fixed support section and a worm and gear transmission assembly, the output shaft of the first rotating motor is fixedly connected to the worm, and the movable support section is fixedly connected to the gear.

[0007] In some embodiments of the present invention, it further includes a drill bit lifting and adjusting mechanism, the drill bit lifting and adjusting mechanism includes a first transmission shaft in transmission connection with the drill bit, the first transmission shaft extends in the horizontal direction, and further includes a third rotating motor installed on the movable support section, and the third rotating motor and the first transmission shaft are in transmission connection through a bevel gear transmission group.

[0008] In some embodiments of the present invention, the drill bit is fixedly connected to a connecting shaft, the connecting shaft is rotatably connected to a lifting sleeve, and the lifting sleeve and the first transmission shaft are in transmission cooperation through a meshing tooth structure.

[0009] In some embodiments of the present invention, one end of the connecting shaft away from the drill bit is connected to the driven pulley by a spline. The driven pulley is rotatably connected to the fixed sleeve assembly, and the fixed sleeve assembly is fixedly connected to the inner side of the movable support section.

[0010] In some embodiments of the present invention, it further includes a support arm lifting and adjusting mechanism, which includes a nut arranged on the fixed support section of the support arm, a lead screw threadedly connected to the nut, and a fourth rotating motor for driving the rotation of the lead screw.

[0011] In some embodiments of the present invention, the fixed support section includes a first support housing extending in the horizontal direction and a socket part fixedly connected to the first support housing. The socket part of the fixed support section is slidably sleeved on the support column; the movable support section includes a second support housing extending in the horizontal direction. The first support housing and the second support housing are respectively formed into square housings, and the outer surfaces of the first support housing and the second support housing are flush with each other.

[0012] In some embodiments of the present invention, in the initial state, the second rotating motor and the third rotating motor are respectively installed on the upper surface of the second support housing, and the drill bit extends downward along the lower surface of the second support housing; the first rotating motor is located on the front or rear surface of the first support housing.

[0013] In some embodiments of the present invention, the lower side of the support column is hinged to the swing seat through a first rotating shaft, and one end of the first rotating shaft is connected with a fifth rotating motor. The support column swings relative to the swing seat under the drive of the fifth rotating motor.

[0014] In some embodiments of the present invention, the swing seat is fixedly connected to the rotary support seat, and the rotary support seat is rotatably installed on the base. The rotary support seat rotates around the axis in the vertical direction under the drive of a sixth rotating motor.

[0015] The technical solution of the present invention has the following technical effects compared with the prior art:

[0016] In the drilling equipment provided by the present invention, by setting the support arm as a fixed support section and a movable support section, the movable support section can rotate around the horizontal axis, enabling the drill bit to drill at different angles. In a narrow space, when encountering obstacles or requiring drilling at a specific angle, the angle of the drill bit can be flexibly adjusted to complete the drilling task. At the same time, the second driving mechanism for driving the rotation of the drill bit sets the second rotating motor on the side close to the fixed support section, and drives the remote drill bit to rotate through a transmission belt, avoiding the motor occupying the space near the drill bit, reducing the size of the equipment in the drilling direction, and making it easier to penetrate into a narrow space for operation. Brief Description of the Drawings

[0017] The preferred embodiments of the present invention will be described in detail below with reference to the drawings, which will help to understand the objectives and advantages of the present invention, where:

[0018] Figure 1 It is a schematic structural view of a specific embodiment of the drilling device provided by the present invention;

[0019] Figure 2 It is another schematic structural view of a specific embodiment of the drilling device provided by the present invention;

[0020] Figure 3 It is a schematic structural view of the internal structure of the movable support section in the drilling device provided by the present invention;

[0021] Figure 4 It is a partial structural sectional view of the drill bit lifting and adjusting mechanism in the drilling device provided by the present invention;

[0022] Figure 5 It is another schematic structural view of a specific embodiment of the drilling device provided by the present invention. Detailed Embodiments

[0023] The technical solutions of the present invention will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without any creative efforts shall fall within the protection scope of the present invention.

[0024] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention 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 should not be construed as a limitation of the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "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 directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0026] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0027] As Figures 1 - 4 Shown is a specific embodiment of the drilling device provided by the present invention. The drilling device includes a base 10, a support column 20 installed on the base 10 and extending in the vertical direction, and a support arm 30 installed on the support column 20 and extending in the horizontal direction. Among them, the support arm 30 includes a fixed support section 31 and a movable support section 32. The fixed support section 31 is fixedly arranged in the horizontal direction, that is, its position relative to the horizontal direction is relatively fixed and does not rotate or expand and contract. The movable support section 32 rotates around a horizontal axis relative to the fixed support section 31 under the action of a first driving mechanism. A drill bit 40 installed on the movable support section 32 of the support arm 30 and a second driving mechanism. The second driving mechanism includes a second rotating motor 50, a driving pulley, a driven pulley 52 and a transmission belt 51. The drill bit 40 is arranged on the driven pulley 52 on the side far from the fixed support section 31, and the second rotating motor 50 is arranged on the side close to the fixed support section 31.

[0028] By setting the support arm 30 as a fixed support section 31 and a movable support section 32, and the movable support section 32 can rotate around a horizontal axis, the above-mentioned drilling device enables the drill bit 40 to drill at different angles. In a narrow space, when encountering obstacles or requiring drilling at a specific angle, the angle of the drill bit 40 can be flexibly adjusted to complete the drilling task. At the same time, the second driving mechanism for driving the drill bit 40 to rotate sets the second rotating motor 50 on the side close to the fixed support section 31, and drives the remote drill bit 40 to rotate through the transmission belt 51, avoiding the motor occupying the space near the drill bit 40, reducing the size of the device in the drilling direction, and making it easier to penetrate into a narrow space for operation.

[0029] Specifically, in a specific embodiment, the first driving mechanism includes a first rotating motor 60 installed on the fixed support section 31 and a worm and gear transmission assembly (located inside the fixed support section 31 and not shown in the figure). The output shaft of the first rotating motor 60 is fixedly connected to the worm, and the movable support section 32 is fixedly connected to the gear. When the first rotating motor 60 is started, it drives the worm to rotate, and the worm then drives the gear to rotate, so that the movable support section 32 rotates around a horizontal axis. Since the worm and gear transmission group has a large transmission ratio, it can achieve precise angle adjustment of the movable support section 32, and can more accurately position the angle of the drill bit 40 in a narrow space, improving the drilling accuracy. The worm and gear transmission has a self-locking characteristic. When the movable support section 32 is adjusted to a suitable angle, it can prevent accidental rotation due to external forces during the drilling process, ensuring the stability of the drilling process.

[0030] Specifically, in a specific embodiment, the drilling equipment further includes a drill bit lifting and adjusting mechanism, such as Figure 3 As shown, it includes a first transmission shaft 70 that is transmission-connected to the drill bit 40, and a third rotary motor 71 mounted on the outer surface of the movable support section 32. The third rotary motor 71 is transmission-connected to the first transmission shaft 70 via a bevel gear transmission assembly 72; the first transmission shaft 70 extends horizontally. The bevel gear transmission assembly 72 redirects the rotational motion of the third rotary motor 71 and transmits it to the horizontally extending first transmission shaft 70, thereby driving the drill bit 40 up and down. Mounting the third rotary motor 71 on the outer surface of the movable support section 32 and redirecting the transmission direction via the bevel gear transmission assembly 72 avoids direct installation of the motor in the direction of the drill bit 40's elevation, reduces the vertical size of the device, and makes it more suitable for use in confined spaces. Furthermore, the bevel gear transmission assembly 72 efficiently transmits power and has good stability and reliability, ensuring the accuracy and stability of the drill bit 40's elevation adjustment.

[0031] When the third rotary motor 71 is activated, power is transmitted to the drill bit 40 via the first transmission shaft 70, enabling the drill bit 40 to be raised and lowered. The horizontal extension of the first transmission shaft 70 allows the third rotary motor 71 to be installed relatively far away, avoiding excessive space occupation in the direction of raising and lowering the drill bit 40. This allows for flexible adjustment of the drill bit 40's depth in confined spaces to meet diverse drilling requirements. Furthermore, the coordination between the third rotary motor 71 and the first transmission shaft 70 allows for quick and convenient adjustment of the drill bit's height, enhancing operational flexibility in confined spaces.

[0032] Specifically, in an optional embodiment, as Figure 3 、 Figure 4 As shown, the drill bit 40 is fixedly connected to the connecting shaft 41. The connecting shaft 41 is rotatably connected to the lifting sleeve 73 via a bearing. The lifting sleeve 73 and the first transmission shaft 70 are driven by a meshing tooth structure. Specifically, the first transmission shaft 70 is provided with first transmission teeth along its circumference, and the lifting sleeve 73 is provided with second transmission teeth along its axial direction that cooperate with the first transmission teeth. When the first transmission shaft 70 rotates under the drive of the third rotary motor 71, the meshing force between the first and second transmission teeth drives the lifting sleeve 73 up and down, and the connecting shaft 41 rises and falls accordingly to achieve the raising and lowering of the drill bit 40.

[0033] More specifically, if Figure 4As shown, one end of the connecting shaft 41 away from the drill bit 40 is connected to the driven pulley 52 through a spline 41a to achieve synchronous rotation of the drill bit 40 and the driven pulley 52. The driven pulley 52 is rotatably connected to the fixed sleeve assembly 80, and the fixed sleeve assembly 80 is fixedly connected to the inner side wall of the movable support section 32. The fixed sleeve assembly 80 includes a first fixed sleeve 81 and a second fixed sleeve 82 connected by a threaded fastener. The driven pulley 52 is rotatably connected to the first fixed sleeve 81 through a bearing, and the lifting sleeve 73 and the first transmission shaft 70 are located inside the second sleeve 82.

[0034] Specifically, in an alternative embodiment, the drilling device further includes a support arm lifting and adjusting mechanism, which includes a nut provided on the fixed support section 31 of the support arm 30, a lead screw 91 threadedly connected to the nut, and a fourth rotating motor 90 for driving the rotation of the lead screw 91. The fourth rotating motor 90 is fixedly installed on the top of the support column 20. When the fourth rotating motor 90 is started, it drives the lead screw 91 of the screw-nut mechanism to rotate, and drives the entire support arm 30 to move up and down through the nut. By the overall lifting of the support arm 30, the drill bit 40 can perform drilling operations at different heights. In a narrow space, when the height of the drilling position changes, there is no need to move the entire device, and only the height of the support arm 30 needs to be adjusted, which improves the applicability of the device.

[0035] Specifically, in an alternative embodiment, the fixed support section 31 includes a first support housing extending in the horizontal direction and a socket portion 31a fixedly connected to the first support housing. The socket portion 31a of the fixed support section 31 is slidably sleeved on the support column 20 to form a sliding limit structure in the vertical direction, which can improve the lifting stability of the support arm 30.

[0036] Specifically, in an alternative embodiment, the movable support section 32 includes a second support housing extending in the horizontal direction. The first support housing and the second support housing are respectively formed into square housings. The outer surfaces of the first support housing and the second support housing are flush with each other, and the second support housing is fixed to the turbine of the first driving mechanism through a support shaft. The design that the fixed support section 31 and the movable support section 32 respectively adopt square housings and the outer surfaces of the two housings are flush makes the support arm 30 occupy less space in a narrow space, reduces the risk of collision with surrounding obstacles, and improves the passability and operability of the device in a narrow space. At the same time, the square housing has good structural strength, which can ensure the stability of the support arm 30 during the drilling process, and improve the service life and reliability of the device.

[0037] Specifically, in the initial state (i.e., the initial state in which the drilling equipment is not drilling), the second rotary motor 50 and the third rotary motor 71 are respectively mounted on the upper surface of the second support housing, and the drill bit 40 extends downward along the lower surface of the second support housing. The first rotary motor 60 is located on the front or rear surface of the first support housing. Mounting the motor on the upper surface of the second support housing with the drill bit 40 extending downward effectively utilizes the vertical space available for the equipment. Mounting the first rotary motor 60 on the front or rear surface of the first support housing facilitates routine maintenance and overhaul by operators, avoids the problem of components mounted on the upper surface of the first support housing being too close to the support arm lifting and adjusting mechanism, which can lead to inconvenient installation and maintenance, and improves the maintainability of the equipment.

[0038] Specifically, in an optional embodiment, as Figure 1 As shown, the lower side of the support column 20 is hinged to the swing seat 110 through the first rotating shaft 100, and one end of the first rotating shaft 100 is connected to the fifth rotating motor 120. Figure 5 As shown, when the fifth rotary motor 120 is activated, it drives the first rotary shaft 100 to rotate, thereby causing the support column 20 to swing relative to the swing base 110. The swing function of the support column 20 enables the drill bit 40 to perform drilling operations at different tilt angles. In confined spaces, when encountering special drilling requirements or obstacles, the angle of the support column 20 can be adjusted to meet the drilling requirements, expanding the drilling range of the equipment. Through the control of the fifth rotary motor 120, the swing angle of the support column 20 can be quickly and accurately adjusted, improving the flexibility and adaptability of the equipment in confined spaces.

[0039] Specifically, in an optional embodiment, the swing seat 110 is fixedly connected to the rotating support seat 130, and the rotating support seat 130 is rotatably mounted on the base 10. The rotating support seat 130 rotates around the vertical axis under the drive of the sixth rotating motor 140. In an optional embodiment, the sixth rotating motor 140 is connected to the rotating support seat 130 through a worm gear transmission system to convert the rotational force around the horizontal axis into rotation around the vertical axis. The rotation function of the rotating support seat 130 enables the drill bit 40 to perform drilling operations within a 360-degree range. In a narrow space, there is no need to move the entire device. The position of the drill bit 40 can be changed by rotating the rotating support seat 130, thereby expanding the drilling coverage of the device and improving operating efficiency. This design enables the device to adapt to drilling needs in different directions and positions, and can function in various complex narrow space environments, thereby improving the versatility and practicality of the device.

[0040] The drilling equipment provided by the present invention significantly improves the adaptability and operation flexibility of the drilling equipment in narrow spaces through a modular structure, a compact drive design, and a flexible positioning mechanism. It solves the problem that traditional equipment cannot penetrate into complex environments due to its large volume and fixed angle.

[0041] Obviously, the above-mentioned embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or modifications derived therefrom still fall within the protection scope of the present invention.

Claims

1. A drilling device, characterized in that, include: A base, a support column mounted on the base and extending in a vertical direction, and a support arm mounted on the support column and extending in a horizontal direction; wherein the support arm includes a fixed support section and a movable support section, and the movable support section rotates around a horizontal axis relative to the fixed support section under the action of a first drive mechanism; A drill bit and a second driving mechanism are installed on the movable support section of the support arm, the second driving mechanism includes a second rotating motor, a driving pulley, a driven pulley and a transmission belt, the drill bit is connected to the driven pulley on the side away from the fixed support section, and the second rotating motor is arranged on the side close to the fixed support section.

2. The drilling device according to claim 1, characterized in that, The first driving mechanism includes a first rotating motor and a worm gear transmission assembly mounted on the fixed support section. The output shaft of the first rotating motor is fixedly connected to the worm gear, and the movable support section is fixedly connected to the worm gear.

3. A drilling device according to claim 1, characterized in that, It also includes a drill bit lifting and adjusting mechanism, which includes a first transmission shaft connected to the drill bit, the first transmission shaft extending in a horizontal direction, and a third rotating motor installed on the movable support section, and the third rotating motor is connected to the first transmission shaft through a bevel gear transmission group.

4. A drilling device according to claim 3, characterized in that, The drill bit is fixedly connected to the connecting shaft, and the connecting shaft is rotatably connected to the lifting sleeve. The lifting sleeve and the first transmission shaft realize transmission cooperation through a meshing tooth structure.

5. A drilling device according to claim 3, characterized in that, One end of the connecting shaft away from the drill bit is connected to the driven pulley through a spline. The driven pulley is rotatably connected to a fixed sleeve assembly, and the fixed sleeve assembly is fixedly connected to the inner side of the movable support section.

6. A drilling device according to claim 1, characterized in that, It also includes a support arm lifting and adjusting mechanism, which includes a nut set on the fixed support section of the support arm, a screw threadedly connected to the nut, and a fourth rotary motor driving the screw to rotate.

7. A drilling device according to claim 1, characterized in that, The fixed support section includes a first support shell extending in a horizontal direction and a sleeve portion fixedly connected to the first support shell, and the sleeve portion of the fixed support section is slidably sleeved on the support column; the movable support section includes a second support shell extending in a horizontal direction, and the first support shell and the second support shell are respectively formed as square shells, and the outer surfaces of the first support shell and the second support shell are arranged flush.

8. A drilling device according to claim 7, characterized in that, In the initial state, the second rotary motor and the third rotary motor are respectively installed on the upper surface of the second support shell, and the drill bit extends downward along the lower surface of the second support shell; the first rotary motor is located on the front or rear surface of the first support shell.

9. A drilling device according to claim 1, wherein, The lower side of the support column is hinged to the swing seat through a first rotating shaft. One end of the first rotating shaft is connected to a fifth rotating motor. The support column swings relative to the swing seat under the drive of the fifth rotating motor.

10. A drilling device according to claim 9, characterized in that, The swing seat is fixedly connected to the rotating support seat, and the rotating support seat is rotatably installed on the base. The rotating support seat rotates around the vertical axis under the drive of the sixth rotating motor.

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