Drill rod clamping structure of drill jumbo

Abstract

The utility model discloses a drill rod clamping structure of a drill jumbo, and relates to the technical field of drill jumbo. The drill rod clamping structure of the drill jumbo comprises a rock drill rotating shaft and anti-disengagement assemblies, a mounting opening is formed in the right side of the rock drill rotating shaft, a drill rod is inserted into the mounting opening, and two or more sets of anti-disengagement insertion openings which are transversely arranged at equal intervals are formed in the front side and the rear side of the drill rod correspondingly; the anti-disengagement assembly can prevent the drill rod from being disengaged from the rock drill rotating shaft. According to the drill rod clamping structure of the drill jumbo, the drill rod can be automatically installed and positioned, compared with a clamping installation mode, the drill rod can be prevented from loosening and even being disengaged, the use reliability of the drill rod is improved, accidents occurring in the subsequent use process and adverse effects on drilling operation are avoided, and the service life of the drill jumbo is prolonged. Meanwhile, the drill rod is very convenient to replace, and the practicability of the structure is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of rock drilling trolleys, in particular to a drill rod clamping structure of a rock drilling trolley. Background Art

[0002] Chinese patent document CN204703797U discloses a drill rod conveying device for a rock drilling trolley, comprising: a bracket fixed to the side of the propulsion beam of the rock drilling trolley; a drill rod clamping mechanism, hinged to the bracket through a pin, the pin extending along the length direction of the propulsion beam, the drill rod clamping mechanism comprising a first clamping part, a second clamping part and a clamping drive component, the second clamping part is hinged to the first clamping part, the clamping drive component can drive the second clamping part to rotate relative to the first clamping part to clamp or release the drill rod; a rotating drive component for driving the drill rod clamping mechanism to rotate relative to the bracket around the pin is provided between the bracket and the drill rod clamping mechanism. The drill rod conveying device of the rock drilling trolley of the utility model has a simple structure and is convenient for replacing drill rods.

[0003] The drill rod conveying device of the above-mentioned rock drilling rig fixes the drill rod by clamping installation, but the drill rod is prone to loosening or even detaching during subsequent use, which has a certain adverse effect on the drilling operation. Therefore, it can be improved. Utility Model Content

[0004] The utility model aims to provide a drill rod clamping structure for a rock drilling rig, which can solve the problem that the drill rod is fixed by clamping installation, but the drill rod is prone to loosening or even detaching during subsequent use, causing certain adverse effects on the drilling operation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drill rod clamping structure for a rock drilling trolley, comprising a rock drilling machine shaft and an anti-detachment component, a mounting opening is provided on the right side of the rock drilling machine shaft and a drill rod is inserted therein, and two or more groups of anti-detachment sockets are provided on the front and rear sides of the drill rod and are arranged equidistantly in the horizontal direction, the anti-detachment component is arranged on the rock drilling machine shaft and the drill rod, and the anti-detachment component can prevent the drill rod from detaching from the rock drilling machine shaft.

[0006] Preferably, two groups of limiting protrusions are opened on the left side of the drill rod and are symmetrically distributed up and down, and the inner wall of the rock drill shaft is fixedly installed with a limiting groove, and the limiting groove is inserted into the limiting protrusion.

[0007] Preferably, the anti-disengagement component includes a two-way screw, a sliding block, a linkage rod, a flat pad, a driving motor, a linkage bar and a positioning plug. A square groove connected to the mounting port is provided on the rock drill shaft, the two-way screw is rotatably installed in the square groove, the sliding blocks are divided into two groups and are slidably installed in the square groove, the two groups of sliding blocks are threadedly sleeved on the outer wall of the two-way screw, the flat pad is fixedly installed on the rear side of the rock drill shaft, the driving motor is fixedly installed on the rear side of the flat pad, the rotating shaft of the flat pad is fixedly connected to the linkage rod, one end of the linkage rod passes through the rock drill shaft and the flat pad and is fixedly connected to the two-way screw, two groups of accommodating ports are provided on the rock drill shaft and are both connected to the square groove, the linkage bar is slidably installed in the accommodating port, the linkage bar is fixedly connected to the sliding block, the protective cover is fixedly installed on the outer wall of the linkage bar, and one end of the positioning plug extends to the interior of the anti-disengagement socket.

[0008] Preferably, a rectangular groove is provided on the rock drill shaft and is connected to the accommodating opening and the anti-disengagement socket respectively, and the positioning plug is located in the rectangular groove.

[0009] Preferably, a protective cover is fixedly mounted on the rear side of the flat pad, and the driving motor is located inside the protective cover to prevent the driving motor from being damaged.

[0010] Preferably, a balancing block is fixedly installed on the front side of the rock drill shaft, and the weight of the balancing block is the same as the total weight of the flat pad, the drive motor and the protective cover, so that the rock drill shaft is better balanced when rotating.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The drill rod clamping structure of the rock drilling trolley can automatically install and position the drill rod through the coordinated use of a limiting protrusion, a limiting groove, a bidirectional screw, a sliding block, a linkage rod, a flat pad, a driving motor, a linkage bar and a positioning plug. Compared with the clamping installation method, it can prevent the drill rod from loosening or even detaching, thereby improving the reliability of the drill rod and avoiding adverse effects on the drilling operation. At the same time, the replacement of the drill rod is very convenient, thereby enhancing the practicality of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the drill rod of the utility model;

[0016] Figure 3 It is a top-view cross-sectional three-dimensional structural schematic diagram of the utility model;

[0017] Figure 4 For this utility model Figure 3 A magnified view of part A in FIG.

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the linkage bar of the utility model.

[0019] Figure numerals: 1. rock drill shaft; 2. limiting protrusion; 3. drill rod; 4. limiting groove; 5. anti-disengagement socket; 6. anti-disengagement assembly; 61. bidirectional screw; 62. sliding block; 63. linkage rod; 64. flat pad; 65. driving motor; 66. linkage bar; 67. positioning plug; 7. protective cover; 8. balance block. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution: a drill rod clamping structure for a rock drilling trolley, comprising a rock drilling machine shaft 1 and an anti-separation component 6, a mounting opening is provided on the right side of the rock drilling machine shaft 1 and a drill rod 3 is inserted therein, two or more groups of anti-separation sockets 5 are provided on the front and rear sides of the drill rod 3 and are arranged equidistantly in the horizontal direction, the anti-separation component 6 is arranged on the rock drilling machine shaft 1 and the drill rod 3, and the anti-separation component 6 can prevent the drill rod 3 from being separated from the rock drilling machine shaft 1.

[0022] Two groups of limiting protrusions 2 symmetrically distributed up and down are opened on the left side of the drill rod 3 , and a limiting groove 4 is fixedly installed on the inner wall of the rock drill shaft 1 , and the limiting groove 4 is inserted into the limiting protrusion 2 .

[0023] The anti-separation component 6 includes a bidirectional screw 61, a sliding block 62, a linkage rod 63, a flat washer 64, a drive motor 65, a linkage bar 66 and a positioning plug 67. A square groove connected to the mounting port is provided on the rock drill shaft 1. The bidirectional screw 61 is rotatably installed in the square groove. The sliding blocks 62 are two groups and are slidably installed in the square groove. The two groups of sliding blocks 62 are both threadedly sleeved on the outer wall of the bidirectional screw 61. The flat washer 64 is fixedly installed on the rear side of the rock drill shaft 1. The drive motor 65 is fixedly installed on the rear side of the flat washer 64. The rotating shaft of the cushion block 64 is fixedly connected to the linkage rod 63, one end of the linkage rod 63 passes through the rock drill shaft 1 and the flat cushion block 64 and is fixedly connected to the bidirectional screw 61, the rock drill shaft 1 is provided with two groups of receiving ports both connected to the square groove, the linkage bar 66 is slidably installed in the receiving port, the linkage bar 66 is fixedly connected to the sliding block 62, the protective cover 7 is fixedly installed on the outer wall of the linkage bar 66, one end of the positioning plug 67 extends to the inside of the anti-detachment socket 5, and the rock drill shaft 1 is provided with two groups of receiving ports connected to the receiving port and the anti-detachment socket 5 respectively. The positioning plug 67 is located in the rectangular groove, the protective cover 7 is fixedly installed on the rear side of the flat pad 64, the drive motor 65 is located inside the protective cover 7, and the front side of the rock drill shaft 1 is fixedly installed with a balance block 8. The weight of the balance block 8 is the same as the sum of the weights of the flat pad 64, the drive motor 65 and the protective cover 7. When the drill rod 3 needs to be replaced, the drive motor 65 is controlled to drive the linkage rod 63 and the two-way screw rod 61 to rotate counterclockwise, and then drive the two sets of sliding blocks 62 away from each other, and then drive the two sets of linkage bars 66 to move toward each other. Move away, then the positioning plug block 67 is disengaged from the anti-detachment socket 5, and then the new drill rod 3 is inserted into the rock drill shaft 1, and then the driving motor 65 is controlled to drive the linkage rod 63 and the two-way screw rod 61 to rotate clockwise, which can automatically install and position the drill rod 3. Compared with the clamping installation method, it can prevent the drill rod 3 from loosening or even detaching, thereby improving the reliability of the use of the drill rod 3 and avoiding adverse effects on the drilling operation. At the same time, the replacement of the drill rod 3 is very convenient, which enhances the practicability of the structure.

[0024] Working principle: When the drill rod 3 needs to be replaced, the driving motor 65 is controlled to drive the linkage rod 63 and the bidirectional screw 61 to rotate counterclockwise, and then the two sets of sliding blocks 62 are driven to move away from each other, and then the two sets of linkage bars 66 are driven to move away from each other, and then the positioning block 67 is disengaged from the anti-detachment socket 5, and then the new drill rod 3 is inserted into the rock drill shaft 1, and then the driving motor 65 is controlled to drive the linkage rod 63 and the bidirectional screw 61 to rotate clockwise.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A drilling rig drill rod clamping structure, characterized in that: include: A rock drill shaft (1) has a mounting opening on its right side and a drill rod (3) inserted therein, and two or more groups of anti-separation sockets (5) arranged in a horizontally equidistant manner are provided on the front and rear sides of the drill rod (3); The anti-separation component (6) is arranged on the rock drill shaft (1) and the drill rod (3). The anti-separation component (6) can prevent the drill rod (3) from being separated from the rock drill shaft (1).

2. A drilling rig drill rod clamping structure according to claim 1, characterized in that: The left side of the drill rod (3) is provided with two groups of limit protrusions (2) which are symmetrically distributed up and down. The inner wall of the rock drill shaft (1) is fixedly installed with a limit groove (4), and the limit groove (4) is inserted into the limit protrusion (2).

3. The drill rod clamping structure of a rock drilling rig according to claim 1, characterized in that: The anti-separation component (6) comprises a bidirectional screw (61), a sliding block (62), a linkage rod (63), a flat washer (64), a driving motor (65), a linkage bar (66) and a positioning plug (67). A square groove connected to the mounting opening is provided on the rock drill shaft (1). The bidirectional screw (61) is rotatably mounted in the square groove. The sliding blocks (62) are in two groups and are slidably mounted in the square groove. Both groups of sliding blocks (62) are threadedly sleeved on the outer wall of the bidirectional screw (61). The flat washer (64) is fixedly mounted on the rear side of the rock drill shaft (1). The driving motor (65) is fixedly mounted on the rear side of the rock drill shaft (1). The rock drill shaft (1) is fixedly installed on the rear side of the flat pad (64), the rotating shaft of the flat pad (64) is fixedly connected to the linkage rod (63), one end of the linkage rod (63) passes through the rock drill shaft (1) and the flat pad (64) and is fixedly connected to the bidirectional screw rod (61), the rock drill shaft (1) is provided with two groups of receiving openings both connected to the square groove, the linkage bar (66) is slidably installed in the receiving openings, the linkage bar (66) is fixedly connected to the sliding block (62), the protective cover (7) is fixedly installed on the outer wall of the linkage bar (66), and one end of the positioning plug (67) extends to the inside of the anti-separation socket (5).

4. A drilling rig drill rod clamping structure according to claim 3, characterized in that: The rock drill shaft (1) is provided with a rectangular groove which is connected to the receiving opening and the anti-separation socket (5) respectively, and the positioning plug block (67) is located in the rectangular groove.

5. The drill rod clamping structure of a rock drilling rig according to claim 3, characterized in that: A protective cover (7) is fixedly mounted on the rear side of the flat pad (64), and a driving motor (65) is located inside the protective cover (7).

6. The drill rod clamping structure of a rock drilling rig according to claim 3, characterized in that: A balancing block (8) is fixedly mounted on the front side of the rock drill shaft (1), and the weight of the balancing block (8) is the same as the total weight of the flat pad (64), the driving motor (65) and the protective cover (7).

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