Clamping structure of coal mine underground directional drill rod

Abstract

The utility model discloses a clamping structure of an underground coal mine directional drill rod, and relates to the technical field of drill rods. Comprising an outer cylinder, first annular grooves are symmetrically formed in the inner wall of the outer cylinder, the two first annular grooves are formed up and down, driving assemblies are rotatably connected into the first annular grooves, the driving assemblies are engaged with a plurality of clamping assemblies, the clamping assemblies are arranged at equal intervals, and the clamping assemblies are rotatably connected with first sliding grooves; the first sliding groove is formed in the inner wall of the outer cylinder and communicates with the first annular groove. According to the directional drill rod clamping device, the driving assembly installed in the first annular groove can effectively drive the multiple clamping assemblies to clamp a directional drill rod; and through the two clamping assemblies, the clamping efficiency of the directional drill rod can be effectively improved, the directional drill rod can be stably clamped, loosening of the directional drill rod is avoided, and the mining efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drill rods, in particular to a clamping structure for directional drill rods in underground coal mines. Background Art

[0002] Coal mines are areas where humans excavate geological strata rich in coal. They are generally divided into underground coal mines and open-pit coal mines. When the coal seams are far from the surface, people generally choose to dig tunnels underground to mine coal. This is an underground coal mine.

[0003] At present, when mining coal, it is necessary to clamp the directional drill rod underground in the coal mine. However, most of the existing clamping devices for directional drill rods underground in the coal mine have low clamping efficiency and unstable clamping, which can easily cause the directional drill rod to loosen, thereby resulting in low mining efficiency. Therefore, there is an urgent need for a clamping structure for directional drill rods underground in the coal mine, which can not only effectively improve the clamping efficiency of the directional drill rod, but also stably clamp the directional drill rod to avoid the loosening of the directional drill rod, thereby effectively improving the mining efficiency. Utility Model Content

[0004] The utility model aims to provide a clamping structure for a directional drill rod in a coal mine to solve the problems existing in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following solution: The utility model provides a clamping structure for a directional drill rod in a coal mine, comprising an outer cylinder, the inner wall of which is symmetrically provided with first annular grooves, two of which are arranged up and down, a driving component is rotatably connected in the first annular groove, the driving component is meshed with a plurality of clamping components, and the plurality of clamping components are arranged at equal intervals, the clamping component is rotatably connected with a first slide groove, the first slide groove is provided on the inner wall of the outer cylinder and is communicated with the first annular groove.

[0006] Preferably, the driving assembly includes second rings symmetrically arranged in the first ring groove, a third ring is fixedly connected between the two second rings, the second ring is fixedly connected to the first ring at one end away from the third ring, the first ring is rotatably connected to the second ring groove, the second ring groove is opened in the first ring groove, a second gear is sleeved on the outer wall of any second ring, the second gear is meshed with the first gear, a transmission rod is sleeved at the center of the first gear, one end of the transmission rod is rotatably connected to the first ring groove, the other end of the transmission rod is transmission-connected to a motor, and the motor is fixedly connected to the second ring groove.

[0007] Preferably, the two second ring grooves are symmetrically arranged vertically.

[0008] Preferably, the inner diameter of the second ring matches the inner diameter of the outer cylinder.

[0009] Preferably, the outer diameter of the second gear is smaller than the outer diameter of the first annular groove.

[0010] Preferably, the clamping assembly includes a third gear, which is meshed with the second gear. The center sleeve of the third gear is provided with a bidirectional lead screw, which is rotatably connected in the first slide groove. Two first sliders are threaded on the bidirectional lead screw, and one end of the first slider extending out of the first slide groove is rotatably connected to a connecting rod, and the end of the connecting rod away from the first slider is rotatably connected to a support, and the support is slidably connected to an arc block.

[0011] Preferably, two second sliding grooves are provided on a side of the arc block facing the support, a second sliding block is slidably connected in the second sliding groove, and one end of the second sliding block extending out of the second sliding groove is fixedly connected to the support.

[0012] Preferably, the two connecting rods are arranged in an X shape, and the two connecting rods are rotatably connected via a rotating shaft.

[0013] The utility model discloses the following technical effects:

[0014] The utility model can effectively drive a plurality of clamping assemblies to clamp the directional drill rod through the driving assembly installed in the first annular groove, and through the two sets of clamping assemblies, not only can the clamping efficiency of the directional drill rod be effectively improved, but also the directional drill rod can be stably clamped to avoid loosening of the directional drill rod, thereby effectively improving the mining efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0019] Figure 4 This is a schematic diagram of the arc block structure of the utility model;

[0020] Among them, 1. outer cylinder; 2. first annular groove; 3. second annular groove; 4. first slide groove; 5. arc block; 21. motor; 22. transmission rod; 23. first gear; 31. first circular ring; 32. second circular ring; 33. third circular ring; 34. second gear; 41. third gear; 42. bidirectional lead screw; 43. first slider; 44. connecting rod; 45. rotating shaft; 46. support; 51. second slide groove; 52. second slider. DETAILED DESCRIPTION

[0021] 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.

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Reference Figure 1-Figure 4 The utility model discloses a clamping structure for a directional drill rod in a coal mine, comprising an outer cylinder 1, the inner wall of which is symmetrically provided with first annular grooves 2, two first annular grooves 2 being arranged up and down, a driving assembly being rotatably connected in the first annular groove 2, the driving assembly being meshed with a plurality of clamping assemblies, the plurality of clamping assemblies being arranged at equal intervals, the clamping assembly being rotatably connected with a first slide groove 4, the first slide groove 4 being arranged on the inner wall of the outer cylinder 1 and being communicated with the first annular groove 2.

[0024] The utility model can effectively drive a plurality of clamping assemblies to clamp the directional drill rod through a driving assembly installed in the first annular groove 2; and through two sets of clamping assemblies, not only can the clamping efficiency of the directional drill rod be effectively improved, but also the directional drill rod can be stably clamped to avoid loosening of the directional drill rod, thereby effectively improving the mining efficiency.

[0025] A further optimized solution is that the drive assembly includes a second ring 32 symmetrically arranged in the first ring groove 2, a third ring 33 is fixedly connected between the two second rings 32, one end of the second ring 32 away from the third ring 33 is fixedly connected to the first ring 31, the first ring 31 is rotatably connected to the second ring groove 3, the second ring groove 3 is opened in the first ring groove 2, a second gear 34 is sleeved on the outer wall of any second ring 32, the second gear 34 is meshed with the first gear 23, a transmission rod 22 is sleeved in the center of the first gear 23, one end of the transmission rod 22 is rotatably connected to the first ring groove 2, the other end of the transmission rod 22 is transmission-connected to the motor 21, and the motor 21 is fixedly connected to the second ring groove 3.

[0026] The motor 21 drives the transmission rod 22 to rotate, the transmission rod 22 drives the first gear 23 to rotate, the first gear 23 drives the second gear 34 to rotate, the second gear 34 drives a second ring 32 to rotate, the second ring 32 drives another second ring 32 to rotate through the third ring 33, and the two second rings 32 respectively drive the two first rings 31 to rotate in the two second ring grooves 3, so that the second gear 34 can rotate stably.

[0027] In a further optimized solution, the two second annular grooves 3 are symmetrically opened in the upper and lower parts, so that the two second circular rings 32 can rotate coaxially with the outer cylinder 1, and the stability of the rotation is effectively improved.

[0028] According to a further optimized solution, the inner diameter of the second ring 32 is matched with the inner diameter of the outer cylinder 1 .

[0029] According to a further optimized solution, the outer diameter of the second gear 34 is smaller than the outer diameter of the first annular groove 2 .

[0030] A further optimized solution is that the clamping assembly includes a third gear 41, which is meshed with the second gear 34. A bidirectional lead screw 42 is provided at the center of the third gear 41. The bidirectional lead screw 42 is rotatably connected in the first slide groove 4. Two first sliders 43 are threadedly connected to the bidirectional lead screw 42. One end of the first slider 43 extending out of the first slide groove 4 is rotatably connected to a connecting rod 44. One end of the connecting rod 44 away from the first slider 43 is rotatably connected to a support 46. The support 46 is slidably connected to an arc block 5.

[0031] The third gear 41 is driven to rotate by the second gear 34, and the third gear 41 drives the bidirectional lead screw 42 to rotate in the first slide groove 4. The bidirectional lead screw 42 drives the two first slide blocks 43 to move synchronously closer to or away from each other, so that the arc block 5 can quickly clamp or separate from the directional drill rod, effectively improving the clamping efficiency of the directional drill rod.

[0032] As a further optimization scheme, two second slide grooves 51 are provided on one side of the arc block 5 facing the support 46 , and a second slider 52 is slidably connected in the second slide groove 51 . One end of the second slider 52 extending out of the second slide groove 51 is fixedly connected to the support 46 .

[0033] According to a further optimized solution, the two connecting rods 44 are arranged in an X shape, and the two connecting rods 44 are rotatably connected via a rotating shaft 45 .

[0034] When the two first sliding blocks 43 drive the two connecting rods 44 to rotate relative to each other, the second sliding block 52 slides in the second sliding groove 51, so that the connecting rod 44 can drive the arc block 5 to approach or move away from the directional drilling rod.

[0035] The two connecting rods 44 are in an X shape and rotate relative to each other through the rotating shaft 45. When the two first sliding blocks 43 approach each other, the connecting rod 44 can drive the arc block 5 to approach the directional drill rod, so that the arc block 5 fits tightly against the outer wall of the directional drill rod. The directional drill rod is clamped synchronously by a plurality of arc blocks 5, so that the axis of the directional drill rod and the axis of the outer cylinder 1 are on the same axis.

[0036] When the two first sliding blocks 43 move away from each other, the connecting rod 44 can drive the arc block 5 to move away from the directional drill rod, so that the arc block 5 is separated from the outer wall of the directional drill rod.

[0037] The clamping of the directional drill rod by the arc block 5 can not only effectively improve the clamping efficiency of the directional drill rod, but also stably clamp the directional drill rod to prevent the directional drill rod from loosening, thereby effectively improving the mining efficiency.

[0038] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply 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 understood as a limitation on the present invention.

[0039] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A clamping structure for a directional drill rod in a coal mine, characterized in that: The invention comprises an outer cylinder (1), wherein the inner wall of the outer cylinder (1) is symmetrically provided with a first annular groove (2), wherein two first annular grooves (2) are arranged one above the other, wherein a driving component is rotatably connected in the first annular groove (2), wherein the driving component is engaged with a plurality of clamping components, wherein the plurality of clamping components are arranged at equal intervals, wherein the clamping component is rotatably connected with a first sliding groove (4), wherein the first sliding groove (4) is provided on the inner wall of the outer cylinder (1) and is connected with the first annular groove (2); The driving assembly comprises second circular rings (32) symmetrically arranged in the first circular groove (2), a third circular ring (33) is fixedly connected between the two second circular rings (32), one end of the second circular ring (32) away from the third circular ring (33) is fixedly connected to the first circular ring (31), the first circular ring (31) is rotatably connected to the second circular groove (3), the second circular groove (3) is arranged in the first circular groove (2), a second gear (34) is sleeved on the outer wall of any second circular ring (32), the second gear (34) is meshed with the first gear (23), a transmission rod (22) is sleeved on the center of the first gear (23), one end of the transmission rod (22) is rotatably connected to the first circular groove (2), the other end of the transmission rod (22) is transmission-connected to the motor (21), and the motor (21) is fixedly connected to the second circular groove (3); The clamping assembly comprises a third gear (41), the third gear (41) is meshed with the second gear (34), a bidirectional lead screw (42) is provided at the center of the third gear (41), the bidirectional lead screw (42) is rotatably connected in the first slide groove (4), two first sliders (43) are threadedly connected to the bidirectional lead screw (42), one end of the first slider (43) extending out of the first slide groove (4) is rotatably connected to a connecting rod (44), and one end of the connecting rod (44) away from the first slider (43) is rotatably connected to a support (46), and the support (46) is slidably connected to an arc block (5).

2. The clamping structure for directional drilling rod in coal mine according to claim 1, characterized in that: The two second annular grooves (3) are symmetrically arranged in the upper and lower parts.

3. The clamping structure for directional drilling rod in coal mine according to claim 1, characterized in that: The inner diameter of the second circular ring (32) matches the inner diameter of the outer cylinder (1).

4. The clamping structure for directional drilling rod in coal mine according to claim 1, characterized in that: The outer diameter of the second gear (34) is smaller than the outer diameter of the first annular groove (2).

5. The clamping structure for directional drilling rod in coal mine according to claim 1, characterized in that: The arc block (5) has two second sliding grooves (51) on one side facing the support (46), and a second sliding block (52) is slidably connected in the second sliding groove (51), and one end of the second sliding block (52) extending out of the second sliding groove (51) is fixedly connected to the support (46).

6. The clamping structure for directional drilling rod in coal mine according to claim 1, characterized in that: The two connecting rods (44) are arranged in an X shape, and the two connecting rods (44) are rotatably connected via a rotating shaft (45).

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