High-stability drill carriage for coal mine

Abstract

The utility model relates to a high-stability drill carriage for a coal mine, which comprises a main machine body, a working mechanism, a front lower support component, a double-upright upper support component, a rear upper support oil cylinder, a rear lower support oil cylinder and a crawler walking device, a double-stand-column upper supporting assembly, a temporary operation table, a rear upper supporting oil cylinder, a hydraulic device, an auxiliary oil tank and a machine body operation table are arranged on the installation plate. The front end of the main machine body is connected with a front lower supporting assembly, and the rear end of the main machine body is connected with a rear lower supporting oil cylinder. The working mechanism comprises a sliding frame assembly, a power head and a clamping device, and the sliding frame assembly is connected with the double-stand-column upper supporting assembly through a rotary speed reducer. According to the whole drill carriage, through the front lower supporting assembly, the double-stand-column upper supporting assembly, the rear upper supporting oil cylinder and the rear lower supporting oil cylinder, all-directional supporting and stabilizing are carried out when the drill carriage drills, meanwhile, the drill carriage can stretch and retract according to the field environment, and applicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine drilling rig technical field especially relates to a high stability coal mine drilling rig. BACKGROUND

[0002] At present, coal mine driving working face mostly still adopts artificial to carry out anchor rod support operation, and the dust is big, noise is big, and the security hidden danger is big. A few working faces use anchor rod jumbo to carry out anchor rod support operation, but there is no full section anchor rod operation, lack of temporary support, cannot automatic retraction and other functional defects, the technical scheme that the present application adopts is to increase the support device on the drilling rig body, but the setting of the support device has the limitation for the relatively narrow roadway, and the overall comprehensive stability of the drilling rig cannot be achieved. Moreover, the support structure of the existing anchor rod drilling rig is relatively complex, and it takes a certain time to expand, which reduces the work efficiency, so an urgent need exists for a high stability coal mine drilling rig that can support comprehensively and quickly. SUMMARY

[0003] The utility model discloses a high stability coal mine drilling rig, which overcomes the above-mentioned defects and quickly and effectively ensures the safety of the anchor rod drilling rig operator.

[0004] The utility model discloses a high stability coal mine drilling rig, which overcomes the above-mentioned defects and quickly and effectively ensures the safety of the anchor rod drilling rig operator.

[0005] A high stability coal mine drilling rig, which comprises a main machine body, a working mechanism, a front lower support assembly, a double-column upper support assembly, a rear upper support oil cylinder, a rear lower support oil cylinder and a crawler walking device.

[0006] The main machine body comprises a main machine frame, and an installation plate is arranged on the main machine frame.

[0007] The front end of the main machine body is connected with the front lower support assembly, and the rear end of the main machine body is connected with the rear lower support oil cylinder.

[0008] The front lower support assembly comprises left and right support oil cylinders arranged symmetrically, a left seat sleeve is arranged on the upper part of the left support oil cylinder, a left supporting leg is arranged on the bottom of the left support oil cylinder, a right seat sleeve is arranged on the upper part of the right support oil cylinder, and a right supporting leg is arranged on the bottom of the right support oil cylinder; a left connecting piece is hingedly connected to the left seat sleeve of the left support oil cylinder through a pin shaft, and a left telescopic arm connecting lug plate is connected to the left seat sleeve; a right connecting piece is connected to the right seat sleeve of the right support oil cylinder, and a right telescopic arm connecting lug plate is connected to the right seat sleeve; a telescopic arm assembly is arranged between the left connecting piece and the right connecting piece, the telescopic arm assembly comprises a telescopic arm outer frame and a telescopic arm inner frame arranged in layers, the outer end of the telescopic arm outer frame is fixed to the right connecting piece, and the outer end of the telescopic arm inner frame is fixed to the left connecting piece; one end of a telescopic oil cylinder is connected to the right telescopic arm connecting lug plate, and the output end of the telescopic oil cylinder is connected to the left telescopic arm connecting lug plate.

[0009] Further, a temporary operation table is arranged on the rear side of the double-column upper support assembly, a hydraulic device and a sub-oil tank are arranged on the rear side of the temporary operation table, a rear upper support oil cylinder is arranged between the hydraulic device and the sub-oil tank, and the machine body operation table is arranged at the rear end of the mounting plate.

[0010] Further, a propelling oil cylinder and a compensating oil cylinder are arranged in parallel on the sliding frame assembly, the propelling oil cylinder is connected to a sliding guide rod, the compensating oil cylinder is connected to a compensating slide rail, a chain wheel and a chain are arranged on the outer wall of the propelling oil cylinder, the chain is connected to the compensating oil cylinder, and a power head is connected to the sliding guide rod through a rotating assembly; a gripper is further arranged on the sliding frame assembly, the gripper is arranged on the same horizontal line as the power head, and the power head clamps a drill rod through the gripper.

[0011] Further, a connecting support part is arranged on the upper end face of the sliding frame assembly, and the connecting support part is matched with a connecting rod.

[0012] Further, an auxiliary support part is arranged on the lower end face of the sliding frame assembly, the auxiliary support part comprises a connecting column and a clamping bent part, and the lower end face of the sliding frame assembly is connected to the clamping bent part through the connecting column.

[0013] Further, the clamping bent part of the auxiliary support part is a semicircular clamping piece, the clamping bent part can be clamped on the outer cylinder of another supporting oil cylinder when the sliding frame assembly is transversely drilled, and the clamping bent part can be used as a lower support auxiliary when the sliding frame assembly is vertical.

[0014] Further, the outer cylinder of the telescopic oil cylinder is connected to the telescopic arm outer frame through a telescopic oil cylinder connecting lug plate.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The front lower support assembly of the utility model is retractable, is retracted according to the on-site environment, has high applicability, the supporting device structure of the utility model is simple, is all supported by the oil cylinder, has fast advancing and retreating speed, has high drilling efficiency, and can greatly improve the operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model.

[0018] Figure 2 It is the extension schematic diagram of the front lower support assembly of the utility model.

[0019] Figure 3 It is the retraction schematic diagram of the front lower support assembly of the utility model.

[0020] Among them:

[0021] Main machine body 1, mounting plate 1.1, working mechanism 2, slide assembly 2.1, power head 2.2, clamp 2.3, connecting support part 2.4, auxiliary support part 2.5, front lower support assembly 3, left support oil cylinder 3.1, left seat sleeve 3.11, left support leg 3.12, right support oil cylinder 3.2, right seat sleeve 3.21, right support leg 3.22, left connecting piece 3.3, left telescopic arm connecting lug plate 3.4, right connecting piece 3.5, right telescopic arm connecting lug plate 3.6, telescopic arm outer frame 3.7, telescopic arm inner frame 3.8, telescopic oil cylinder 3.9, telescopic oil cylinder connecting lug plate 3.10, rotary speed reducer 4, double-column upper support assembly 5, temporary operation table 6, rear upper support oil cylinder 7, hydraulic device 8, auxiliary oil tank 9, machine body operation table 10, rear lower support oil cylinder 11, track walking device 12. DETAILED DESCRIPTION

[0022] In order to better understand the technical scheme of the utility model, the following will be described in detail in connection with relevant drawings.It should be understood that the following specific embodiments are not used to limit the specific implementation of the technical scheme of the utility model, and they are only implementation of the technical scheme of the utility model.It should be noted that the description of the position relationship of each component in this paper, such as A component is located above B component, is based on the relative position of each component in the drawing, and is not used to limit the actual position relationship of each component. Example 1

[0023] Referring to Figures 1-3 , Figure 1A structure diagram of a high-stability drilling rig for coal mine is drawn. As shown in the figure, the drilling rig comprises a main machine body 1, a working mechanism 2, a front lower support assembly 3, a double-column upper support assembly 5, a rear upper support oil cylinder 7, a rear lower support oil cylinder 11 and a caterpillar track walking device 12. The caterpillar track walking device 12 is fixed to the two sides of the main machine body 1 and is in contact with the ground to move the main machine body 1. The working mechanism 2 is arranged above the main machine body 1 and is connected with a drilling arm.

[0024] The main machine body 1 comprises a main machine frame, and an installation plate 1.1 is arranged on the main machine frame. The double-column upper support assembly 5, a temporary operating table 6, the rear upper support oil cylinder 7, a hydraulic device 8, a sub-oil tank 9 and a machine body operating table 10 are arranged on the installation plate 1.1. The temporary operating table 6 is arranged at the rear side of the double-column upper support assembly 5. The hydraulic device 8 and the sub-oil tank 9 are arranged at the rear side of the temporary operating table 6. The rear upper support oil cylinder 7 is arranged between the hydraulic device 8 and the sub-oil tank 9. The machine body operating table 10 is arranged at the rear end of the installation plate 1.1.

[0025] The front end of the main machine body 1 is connected with the front lower support assembly 3. The rear end of the main machine body 1 is connected with the rear lower support oil cylinder 11.

[0026] The working mechanism 2 comprises a sliding frame assembly 2.1, a power head 2.2 and a gripper 2.3. The sliding frame assembly 2.1 is provided with a propelling oil cylinder and a compensating oil cylinder in parallel. The propelling oil cylinder is connected with a sliding guide rod. The compensating oil cylinder is connected with a compensating slide rail. A chain wheel and chain are arranged on the outer wall of the propelling oil cylinder. The chain is connected with the compensating oil cylinder. The sliding guide rod is connected with the power head 2.2 through a rotating assembly. The sliding frame assembly 2.1 is further provided with the gripper 2.3. The gripper 2.3 is on the same horizontal line with the power head 2.2. The power head 2.2 clamps a drill rod through the gripper 2.3.

[0027] The upper end surface of the sliding frame assembly 2.1 is provided with a connecting support part 2.4. The connecting support part 2.4 can be matched and connected with a connecting rod and can also be used for upper support. The lower end surface of the sliding frame assembly 2.1 is provided with an auxiliary support part 2.5. The auxiliary support part 2.5 comprises a connecting column and a clamping bent part. The lower end surface of the sliding frame assembly 2.1 is connected with the clamping bent part through the connecting column. The clamping bent part is a semicircular clamping piece. When the sliding frame assembly 2.1 is transversely drilling, the clamping bent part can be clamped on the outer cylinder of another supporting oil cylinder. When the sliding frame assembly 2.1 is vertical, the clamping bent part can be used for lower support assistance.

[0028] The sliding frame assembly 2.1 is connected with the double-column upper support assembly 5 through a rotary reducer 4.

[0029] The front lower support assembly 3 comprises left and right support oil cylinders 3.1 and 3.2 arranged symmetrically, the upper part of the left support oil cylinder 3.1 is sleeved with a left seat sleeve 3.11, the bottom of the left support oil cylinder 3.1 is provided with a left support leg 3.12, the upper part of the right support oil cylinder 3.2 is sleeved with a right seat sleeve 3.21, and the bottom of the right support oil cylinder 3.2 is provided with a right support leg 3.22.

[0030] The left seat sleeve 3.11 of the left support oil cylinder 3.1 is hingedly connected with a left connecting piece 3.3 through a pin shaft, and the left seat sleeve 3.11 is connected with a left telescopic arm connecting lug plate 3.4; the right seat sleeve 3.21 of the right support oil cylinder 3.2 is connected with a right connecting piece 3.5, and the right seat sleeve 3.21 is connected with a right telescopic arm connecting lug plate 3.6, the right telescopic arm connecting lug plate 3.6 is provided with a clamping groove, and the side edge of the right connecting piece 3.5 is clamped in the clamping groove of the right telescopic arm connecting lug plate 3.6.

[0031] The left connecting piece 3.3 and the right connecting piece 3.5 are provided with a telescopic arm assembly, the telescopic arm assembly comprises a telescopic arm outer frame 3.7 and a telescopic arm inner frame 3.8 which are sleeved, the outer end of the telescopic arm outer frame 3.7 is fixed on the right connecting piece 3.5, and the outer end of the telescopic arm inner frame 3.8 is fixed on the left connecting piece 3.3.

[0032] One end of the telescopic oil cylinder 3.9 is connected to the right telescopic arm connecting lug plate 3.6, the output end of the telescopic oil cylinder 3.9 is connected to the left telescopic arm connecting lug plate 3.4, and the outer cylinder of the telescopic oil cylinder 3.9 is connected to the telescopic arm outer frame 3.7 through a telescopic oil cylinder connecting lug plate 3.10.

[0033] Working principle:

[0034] The front part of the whole drilling rig is respectively provided with an upper and lower supporting device, the middle part is provided with an upper supporting device, and the rear end is provided with a lower supporting device, the drilling rig is stably supported through the front lower supporting assembly, the double-column upper supporting assembly, the rear upper supporting oil cylinder and the rear lower supporting oil cylinder when drilling; the front lower supporting assembly of the utility model can be telescoped and recovered, the front lower supporting assembly is fixed on the main machine body through the telescopic arm outer frame, the telescopic oil cylinder is controlled through the control valve to control the telescopic supporting leg arm, the seat sleeve of the left supporting oil cylinder is rotated and extended by a certain angle due to the hinge of the supporting oil cylinder when the telescopic oil cylinder is started to extend; when working underground, the position of the oil cylinder can be selected according to the underground environment.

[0035] In a relatively narrow roadway, the supporting leg of the front lower supporting assembly can be retracted when entering, and when drilling after entering, the supporting leg of the front lower supporting assembly can be extended, and the supporting leg can be extended by a certain angle and length according to the site environment, so that the adaptability is high.

[0036] The above is only a specific application example of the present application, and does not constitute any limitation on the protection scope of the present application. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the present application.

Claims

1. A high-stability drilling rig for coal mines, characterized in that: It includes a main body (1), a working mechanism (2), a front lower support assembly (3), a double column upper support assembly (5), a rear upper support cylinder (7), a rear lower support cylinder (11), and a tracked walking device (12). The tracked walking device (12) is fixed on both sides of the main body (1). The tracked walking device (12) is in contact with the ground and is used to move the main body (1). The working mechanism (2) is provided above the main body (1). The working mechanism (2) is connected to the drill arm. The main body (1) includes a main frame, on which a mounting plate (1.1) is provided. The mounting plate (1.1) is provided with a double column upper support assembly (5), a temporary operating table (6), a rear upper support cylinder (7), a hydraulic device (8), an auxiliary oil tank (9) and a machine body operating table (10). The front end of the main body (1) is connected to a front lower support assembly (3), and the rear end of the main body (1) is connected to a rear lower support cylinder (11); the working mechanism (2) includes a carriage assembly (2.1), a power head (2.2) and a clamp (2.3), and the carriage assembly (2.1) is connected to the double column upper support assembly (5) through a rotary reducer (4); The front lower support assembly (3) includes a left support cylinder (3.1) and a right support cylinder (3.2) symmetrically arranged. A left seat sleeve (3.11) is fitted on the upper part of the left support cylinder (3.1), and a left support foot (3.12) is provided at the bottom of the left support cylinder (3.1). A right seat sleeve (3.21) is fitted on the upper part of the right support cylinder (3.2), and a right support foot (3.22) is provided at the bottom of the right support cylinder (3.2). A left connecting piece (3.3) is hinged to the left seat sleeve (3.11) of the left support cylinder (3.1) by a pin. A left telescopic arm connecting ear plate (3.4) is connected to the left seat sleeve (3.11). The right seat sleeve (3.2) of the right support cylinder (3.2) is hinged to the left seat sleeve (3.11) of the left support cylinder (3.1). .21) A right connector (3.5) is connected to the right seat (3.21), and a right telescopic arm connecting ear plate (3.6) is connected to the right seat (3.21); a telescopic arm assembly is provided between the left connector (3.3) and the right connector (3.5), the telescopic arm assembly includes an outer telescopic arm frame (3.7) and an inner telescopic arm frame (3.8) with inner and outer sleeves, the outer end of the outer telescopic arm frame (3.7) is fixed to the right connector (3.5), and the outer end of the inner telescopic arm frame (3.8) is fixed to the left connector (3.3); one end of the telescopic cylinder (3.9) is connected to the right telescopic arm connecting ear plate (3.6), and the output end of the telescopic cylinder (3.9) is connected to the left telescopic arm connecting ear plate (3.4).

2. The high-stability coal mine drilling rig according to claim 1, characterized in that: A temporary operating platform (6) is provided on the rear side of the double column support assembly (5). A hydraulic device (8) and an auxiliary oil tank (9) are provided on the rear side of the temporary operating platform (6). A rear upper support cylinder (7) is provided between the hydraulic device (8) and the auxiliary oil tank (9). The machine body operating platform (10) is located at the rear end of the mounting plate (1.1).

3. The high-stability coal mine drilling rig according to claim 1, characterized in that: The slide assembly (2.1) is provided with a propulsion cylinder and a compensation cylinder in parallel. The propulsion cylinder is connected to a sliding guide rod, and the compensation cylinder is connected to a compensation slide rail. The outer wall of the propulsion cylinder is provided with a sprocket and chain, and the chain is connected to the compensation cylinder. The sliding guide rod is connected to the power head (2.2) through a rotating assembly. The slide assembly (2.1) is also provided with a clamp (2.3). The clamp 2.3 and the power head (2.2) are on the same horizontal line. The power head (2.2) clamps the drill rod through the clamp (2.3).

4. The high-stability coal mine drilling rig according to claim 1, characterized in that: The upper end face of the carriage assembly (2.1) is provided with a connecting support (2.4), which matches the connecting rod.

5. A high-stability coal mine drilling rig according to claim 1, characterized in that: The lower end face of the carriage assembly (2.1) is provided with an auxiliary support part (2.5), which includes a connecting column and a clamping part. The lower end face of the carriage assembly (2.1) is connected to the clamping part through the connecting column.

6. A high-stability coal mine drilling rig according to claim 5, characterized in that: The auxiliary support part (2.5) has a semi-circular clamping plate. When the slide assembly (2.1) is drilling horizontally, the clamping part can be clamped on the outer cylinder of another oil cylinder. When the slide assembly (2.1) is vertical, it can provide lower support.

7. A high-stability coal mine drilling rig according to claim 1, characterized in that: The outer cylinder of the telescopic cylinder (3.9) is connected to the telescopic arm outer frame (3.7) via the telescopic cylinder connecting ear plate (3.10).

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