Small-diameter raise boring machine stable reaming device

Abstract

The utility model discloses a stable chambering device of a small-diameter raise boring machine. The stable chambering device comprises a drill top, a bearing plate arranged below the drill top and a mounting plate arranged outside the drill top and the bearing plate, a spiral head is fixedly connected to the lower portion of the bearing plate, and an upper connecting plate and a lower connecting plate which correspond to each other are rotationally connected to the inner sides of the outer ends of the drill top and the bearing plate. An adjusting and limiting structure is arranged between the drill top and the bearing plate and comprises a fixing sleeve, an adjusting rod, a worm gear, a worm, a motor, a limiting sleeve and a limiting rod, and the fixing sleeve and the limiting rod are both fixedly connected to the bearing plate. According to the stable reaming device of the small-diameter raise boring machine, drilling and reaming are convenient, the positions of the drill top and the bearing plate are convenient to adjust and self-lock and limit, reaming is convenient to stabilize, the distance between the drill top and the bearing plate is convenient to sense, external expansion of the upper connecting plate and the lower connecting plate is convenient to adjust and control, and the purpose of accurately adjusting and controlling the reaming size is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling rig hole enlarging, in particular to a stable hole enlarging device for a small-diameter riser drilling rig. Background Art

[0002] With the development of social economy and the continuous improvement of science and technology, the design of mining systems has become more personalized and mining processes have become increasingly diversified. As a result, various types of machinery and equipment suitable for the development of each mine have emerged, which has laid an important foundation for the safe and efficient development of the mining industry. In the process of vertical shaft construction, small-diameter shaft drilling rigs are often used to expand the hole to form a large-diameter shaft.

[0003] For example, a Chinese utility model patent with the authorization announcement number CN204627413U discloses a reaming device for a reaming drill, characterized in that it includes an upper guide cylinder, a telescopic cylinder, an upper connecting seat, a lower connecting seat and a reaming arm, the upper connecting seat is fixed to the top of the telescopic cylinder body and fixed to the upper guide cylinder at the same time, the lower end of the telescopic rod of the telescopic cylinder is fixedly connected to the lower connecting seat, and there are at least two reaming arms, each reaming arm includes an upper reaming arm and a lower reaming arm that are hinged to each other, the upper end of the upper reaming arm is hinged to the upper connecting seat, and the lower end of the lower reaming arm is hinged to the lower connecting seat. The advantages of the utility model are: 1. The reaming device can be connected to a conical drill bit to realize drilling, reaming and cleaning in one, with high construction efficiency; 2. The reaming can be driven by hydraulic pressure, and the reaming operation is stable, reliable and efficient; 3. Mud circulation and hole cleaning can be carried out during reaming, and there is no sediment in the expansion cavity, and the reaming quality is good; 4. The expansion angle of the reaming arm can be controlled by an external control mechanism, and the mechanical automation degree is high.

[0004] However, the existing small-diameter skydrill reaming device is generally not convenient for adjusting and self-locking the position of the drill top and the receiving plate during use, making it difficult to stably reame the hole, and it is not convenient to sense the distance between the drill top and the receiving plate to regulate the outward expansion of the upper connecting plate and the lower connecting plate, and it is difficult to accurately regulate the size of the reamed hole. Therefore, we propose a stable skydrill reaming device for a small-diameter skydrill to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a stable hole expansion device for a small-diameter shaft drilling rig, so as to solve the problem that the existing hole expansion device for a small-diameter shaft drilling rig proposed in the above-mentioned background technology is generally not convenient for adjusting and self-locking the position of the drill top and the receiving plate during use, and it is difficult to expand the hole stably, and it is not convenient to sense the distance between the drill top and the receiving plate, and to adjust the outward expansion of the upper connecting plate and the lower connecting plate, and it is difficult to accurately adjust the size of the expanded hole.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stable hole expansion device for a small-diameter riser drill, comprising: a drill top, a receiving plate arranged under the drill top, and a mounting plate arranged outside the drill top and the receiving plate;

[0007] Also includes:

[0008] A screw head is fixedly connected under the receiving plate, and the inner side of the outer end of the drill top and the receiving plate is rotatably connected to the corresponding upper connecting plate and lower connecting plate;

[0009] An adjustment and limiting structure is provided between the drill top and the receiving plate, wherein the adjustment and limiting structure comprises a fixing sleeve, an adjusting rod, a worm gear, a worm, a motor, a limiting sleeve and a limiting rod, and the fixing sleeve and the limiting rod are both fixedly connected to the receiving plate;

[0010] The receiving plate and the mounting plate are provided with a displacement sensing display control structure, wherein the displacement sensing display control structure includes a displacement sensor, a display, a data transceiver and a controller, and the displacement sensor is embedded and installed on the inner side of the middle part of the upper end of the receiving plate.

[0011] Preferably, the upper connecting plate and the lower connecting plate are symmetrically arranged in the center of the drill top and the receiving plate respectively, and the inner ends of the upper connecting plate and the lower connecting plate are rotatably connected, and the upper connecting plate and the lower connecting plate are fixedly connected with a plurality of hole expansion teeth outside.

[0012] Preferably, an adjusting rod engaged with the drill top is threadedly connected to the inner side of the upper end of the fixing sleeve, and a worm gear engaged with the drill top and cannot be disassembled is fixedly connected to the adjusting rod.

[0013] Preferably, the right side of the worm wheel is meshingly connected with a worm engaged with the drill top, and the front side of the worm is connected to a motor via a coupling.

[0014] Preferably, the limiting sleeve is fixedly connected to the lower side of the left front end and the lower side of the right rear end of the drill head, and the limiting rod is non-detachably engaged in the limiting sleeve.

[0015] Preferably, the motor, displacement sensor, display, data transceiver and controller are electrically connected, and the display, data transceiver and controller are embedded in the mounting plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the small-diameter well drilling rig stable reaming device is convenient for drilling and reaming, and is convenient for adjusting and self-locking the positions of the drill top and the receiving plate so as to stabilize the reaming, and is convenient for sensing the distance between the drill top and the receiving plate so as to adjust the outward expansion of the upper connecting plate and the lower connecting plate, thereby achieving the purpose of accurately adjusting the reaming size;

[0017] 1. A drill top, a receiving plate, a spiral head and an upper connecting plate are provided. Since a spiral head is fixed on the lower surface of a receiving plate provided under the drill top, an upper connecting plate and a lower connecting plate are rotatably connected in the drill top and the receiving plate respectively, and the upper connecting plate and the lower connecting plate are rotatably connected, and reaming teeth are fixedly connected outside the upper connecting plate and the lower connecting plate, so drilling and reaming are convenient;

[0018] 2. A receiving plate, a fixing sleeve, an adjusting rod and a worm gear are provided. The fixing sleeve with an inner embedded threaded adjusting rod is fixedly connected to the upper surface of the middle part of the receiving plate, the adjusting rod is fixedly connected to a worm gear engaged with the drill top, and the worm gear is externally meshed with a worm for mounting a motor. The inner side of the outer end of the drill top and the receiving plate are respectively fixed with a limiting sleeve and a limiting rod, and the upper end of the limiting rod is engaged and non-detachably connected to the limiting sleeve, so that the position of the drill top and the receiving plate can be adjusted and self-locked to limit, so as to stabilize the hole expansion;

[0019] 3. A docking plate, a displacement sensor, a display and a data transceiver are provided. Since a displacement sensor is embedded in the inner middle of the upper end of the docking plate, and a display, a data transceiver and a controller electrically connected to the displacement sensor are embedded in the inner side of the mounting plate, it is convenient to sense the distance between the drill top and the docking plate, so as to adjust the outward expansion of the upper connecting plate and the lower connecting plate, so as to achieve the purpose of accurately adjusting the size of the expanded hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0023] Figure 4 This is a schematic diagram of the top view of the cross-sectional structure of the connection between the lower connecting plate and the receiving plate of the utility model;

[0024] Figure 5 It is a schematic diagram of the overall structure of the connection section of the limiting sleeve and the limiting rod of the utility model.

[0025] In the figure: 1. Drill top; 2. Adapter plate; 3. Screw head; 4. Upper connecting plate; 5. Lower connecting plate; 6. Expanding teeth; 7. Fixing sleeve; 8. Adjusting rod; 9. Worm gear; 10. Worm; 11. Motor; 12. Limit sleeve; 13. Limit rod; 14. Displacement sensor; 15. Display; 16. Data transceiver; 17. Controller; 18. Mounting plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 The utility model provides a technical solution: a stable hole reaming device for a small-diameter well drilling rig, comprising a drill top 1, a receiving plate 2, a spiral head 3, an upper connecting plate 4, a lower connecting plate 5, a hole reaming tooth 6, a fixing sleeve 7, an adjusting rod 8, a worm gear 9, a worm 10, a motor 11, a limit sleeve 12, a limit rod 13, a displacement sensor 14, a display 15, a data transceiver 16, a controller 17 and a mounting plate 18, a receiving plate 2 arranged under the drill top 1 and a mounting plate 18 arranged outside the drill top 1 and the receiving plate 2, a spiral head 3 is fixedly connected under the receiving plate 2, and the outer ends of the drill top 1 and the receiving plate 2 are rotatably connected to the inner sides. The corresponding upper connecting plate 4 and lower connecting plate 5 are provided with an adjustment limit structure between the drill top 1 and the receiving plate 2, wherein the adjustment limit structure includes a fixed sleeve 7, an adjustment rod 8, a worm gear 9, a worm 10, a motor 11, a limit sleeve 12 and a limit rod 13, and the fixed sleeve 7 and the limit rod 13 are both fixedly connected to the receiving plate 2, and a displacement sensing display control structure is provided in the receiving plate 2 and the mounting plate 18, wherein the displacement sensing display control structure includes a displacement sensor 14, a display 15, a data transceiver 16 and a controller 17, and the displacement sensor 14 is embedded and installed on the inner side of the middle part of the upper end of the receiving plate 2;

[0028] When using the small diameter raise boring machine to stabilize the reaming device, Figure 1 , Figure 2 , Figure 3 and Figure 4The hole reaming device can be installed on the skydrilling machine, and the spiral head 3 fixedly connected to the lower surface of the receiving plate 2 is convenient for drilling. The controller 17 embedded in the mounting plate 18 controls the motor 11 installed on the inner side of the right front end of the drill top 1 to operate, so that the motor 11 drives the worm 10 connected thereto through the coupling to rotate under the engagement limit of the drill top 1. Since the left side of the worm 10 is meshedly connected with the worm wheel 9 engaged with the drill top 1, the lower middle side of the worm wheel 9 is fixedly connected with the adjusting rod 8 engaged with the drill top 1, and the adjusting rod 8 is fixedly connected to the lower middle side of the worm wheel 9. The outer side of the lower end of the section rod 8 is threadedly connected to a fixing sleeve 7 fixedly connected to the receiving plate 2, and the lower side of the left front end and the lower side of the right rear end of the drill top 1 are fixedly connected to the limiting sleeve 12, and the limiting sleeve 12 is engaged and non-detachably connected with a limiting rod 13 fixed to the receiving plate 2. Therefore, through the operation of the motor 11, it is convenient to make the worm 10 drive the adjusting rod 8 to rotate in the drill top 1 through the worm gear 9, so that the adjusting rod 8 drives the fixing sleeve 7 to rise and fall under the engagement limit of the limiting sleeve 12 and the limiting rod 13, so as to adjust the distance between the receiving plate 2 and the drill top 1;

[0029] like Figure 1 , Figure 2 , Figure 3 and Figure 4 Since the inner sides of the outer ends of the drill top 1 and the receiving plate 2 are rotatably connected with the corresponding upper connecting plate 4 and the lower connecting plate 5, and the inner ends of the upper connecting plate 4 and the lower connecting plate 5 are rotatably connected, it is convenient to adjust the connection between the upper connecting plate 4 and the lower connecting plate 5 and the drill top 1 and the receiving plate 2 respectively by adjusting the distance between the receiving plate 2 and the drill top 1, so that the upper connecting plate 4 and the lower connecting plate 5 are expanded outward or moved inward, and the displacement sensor 14 embedded and installed on the inner side of the middle part of the upper end of the receiving plate 2 can be controlled by the controller 17, and the display 15 and the data transceiver 16 embedded and installed in the mounting plate 18 cooperate to perform the operation , it is convenient to sense the position of the receiving plate 2 through the displacement sensor 14, and then send and receive through the data transceiver 16, so that the display 15 displays the position sensing data of the receiving plate 2, so as to know the distance between the drill top 1 and the receiving plate 2, and then the controller 17 can control the motor 11 to operate, adjust the distance between the drill top 1 and the receiving plate 2, and adjust the external expansion of the upper connecting plate 4 and the lower connecting plate 5, so as to achieve the purpose of accurately adjusting the size of the expanded hole. After the external expansion adjustment is completed, it is convenient to operate the skydrilling machine to expand the hole by the expanded hole teeth 6 fixedly connected to the upper connecting plate 4 and the lower connecting plate 5;

[0030] like Figure 1 , Figure 2 , Figure 4 and Figure 5In the process of outward expansion, the self-locking engagement of the worm wheel 9 and the worm 10 facilitates the anti-loosening of the threaded connection between the fixing sleeve 7 and the adjusting rod 8, and the engagement connection between the limiting sleeve 12 fixedly connected under the drill top 1 and the limiting rod 13 fixed on the receiving plate 2 facilitates the limiting of the connection between the drill top 1 and the receiving plate 2, thereby facilitating the limitation of the upper connecting plate 4 and the lower connecting plate 5, so that the device can be stably expanded. The electrical components contained above are all prior art and will not be described in detail here.

[0031] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stable hole expansion device for a small diameter raise boring machine, comprising: A drill top (1), a receiving plate (2) arranged below the drill top (1), and a mounting plate (18) arranged outside the drill top (1) and the receiving plate (2); It is characterized by further comprising: A screw head (3) is fixedly connected to the bottom of the receiving plate (2), and the inner sides of the outer ends of the drill top (1) and the receiving plate (2) are rotatably connected to corresponding upper connecting plates (4) and lower connecting plates (5); An adjustment and limiting structure is provided between the drill head (1) and the receiving plate (2), wherein the adjustment and limiting structure comprises a fixing sleeve (7), an adjustment rod (8), a worm gear (9), a worm (10), a motor (11), a limiting sleeve (12) and a limiting rod (13), and the fixing sleeve (7) and the limiting rod (13) are both fixedly connected to the receiving plate (2); A displacement sensing display control structure is arranged inside the receiving plate (2) and the mounting plate (18), wherein the displacement sensing display control structure comprises a displacement sensor (14), a display (15), a data transceiver (16) and a controller (17), and the displacement sensor (14) is embedded and installed on the inner side of the middle part of the upper end of the receiving plate (2).

2. A stable hole expansion device for a small diameter raise boring machine according to claim 1, characterized in that: The upper connecting plate (4) and the lower connecting plate (5) are respectively arranged symmetrically in the center of the drill top (1) and the receiving plate (2), and the inner ends of the upper connecting plate (4) and the lower connecting plate (5) are rotatably connected, and a plurality of hole expansion teeth (6) are fixedly connected to the outside of the upper connecting plate (4) and the lower connecting plate (5).

3. A stable hole expansion device for a small diameter raise boring machine according to claim 1, characterized in that: The inner side of the upper end of the fixing sleeve (7) is threadedly connected to an adjusting rod (8) that is engaged with the drill top (1), and a worm gear (9) that is non-detachably engaged with the drill top (1) is fixedly connected to the adjusting rod (8).

4. The stable hole expansion device for a small diameter raise boring machine according to claim 1, characterized in that: The right side of the worm wheel (9) is meshedly connected with a worm (10) engaged with the drill head (1), and the front side of the worm (10) is connected to a motor (11) via a coupling.

5. The stable hole expansion device for a small diameter raise boring machine according to claim 1, characterized in that: The limiting sleeve (12) is fixedly connected to the lower side of the left front end and the lower side of the right rear end of the drill head (1), and the limiting rod (13) is non-detachably engaged in the limiting sleeve (12).

6. The stable hole expansion device for a small diameter raise boring machine according to claim 1, characterized in that: The motor (11), displacement sensor (14), display (15), data transceiver (16) and controller (17) are electrically connected, and the display (15), data transceiver (16) and controller (17) are embedded in a mounting plate (18).

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