Rotary telescopic double-arm frame structure of drill jumbo

Abstract

The utility model relates to the technical field of tunnel equipment, and discloses a drill jumbo rotary telescopic double-arm frame structure which comprises a rotary large arm and a rotary speed reducer, cavities are formed in the upper side and the lower side of the interior of the rotary large arm, and a right rotary telescopic arm is fixedly connected to the upper side of the interior of the rotary large arm; a first telescopic oil cylinder is installed in the right rotary telescopic arm, a left rotary telescopic arm is fixedly connected to the lower side of the interior of the large rotary arm, a second telescopic oil cylinder is installed in the left rotary telescopic arm, and a rotary bearing is installed on the front side of the large rotary arm. According to the utility model, the rotary large arm is integrated, can rotate and has a large telescopic distance, so that the flexibility of adjusting the position and posture of the whole arm support in a three-dimensional space is ensured, the accurate requirements of rock drilling operation on different positions are met, the problem of dead angles can be effectively solved, and meanwhile, the whole structure is simple and the maintenance is convenient; the structure is more compact, the folding size is small, and space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel equipment technical field especially relates to a rock drill rig rotary telescopic double boom structure. BACKGROUND

[0002] The rock drill rig is a large mechanical equipment used in tunnel, mine and other underground engineering for drilling operation. It is usually composed of chassis, working arm, rock drill and other main components, and can realize mechanized and automated drilling operation, greatly improving drilling efficiency and quality, and reducing labor intensity of workers. The rotary boom is one of the key components of the rock drill rig, which is generally installed on the chassis of the rock drill rig and has the functions of rotation and telescoping. Through the rotation and telescoping of the rotary boom, the position and angle of the rock drill can be flexibly adjusted, so that it can perform drilling operation on different working surfaces and meet the drilling needs under various complex working conditions.

[0003] However, the boom of some existing rock drill rigs generally uses a triangular structure. This boom structure presents a semi-hexagonal working range when pitching or swinging, which cannot fit the tunnel section in tunnel construction. There are a large number of dead angles in construction. If the tunnel section is circular, the lower half cannot be constructed in place, and only continuous vehicle shifting or manual excavation operation can be used, which increases the operation time of the process and increases the labor intensity of workers. Therefore, a rock drill rig rotary telescopic double boom structure is proposed to solve the above problems. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides a rock drill rig rotary telescopic double boom structure, aiming to improve the problem of dead angles in the boom construction process of some existing rock drill rigs.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A rock drill rig rotary telescopic double boom structure, comprising a rotary large arm and a rotary reducer, the inside of the rotary large arm is provided with cavities on the upper and lower sides, the inside of the rotary large arm is fixedly connected with a right rotary telescopic arm on the upper side, the inside of the right rotary telescopic arm is provided with a telescopic oil cylinder one, the inside of the rotary large arm is fixedly connected with a left rotary telescopic arm on the lower side, the inside of the left rotary telescopic arm is provided with a telescopic oil cylinder two, and the front side of the rotary large arm is provided with a rotary support;

[0007] As a further description of the above technical scheme:

[0008] The left rotary telescopic arm is internally provided with a cavity, the telescopic oil cylinder two is placed in the cavity in the left rotary telescopic arm through a pin shaft, and the other end of the telescopic oil cylinder two is connected with the rotary large arm and is placed in the lower cavity of the rotary large arm as a whole.

[0009] As a further description of the above technical solution:

[0010] The right rotary telescopic arm is internally provided with a cavity, the telescopic oil cylinder one is placed in the cavity in the right rotary telescopic arm through a pin shaft, and the other end of the telescopic oil cylinder one is connected with the rotary large arm and is placed in the upper cavity of the rotary large arm as a whole.

[0011] As a further description of the above technical solution:

[0012] The telescopic oil cylinder one is used for driving the right rotary telescopic arm to move, and the telescopic oil cylinder two is used for driving the left rotary telescopic arm to move.

[0013] As a further description of the above technical solution:

[0014] The rotary large arm can rotate through the rotary speed reducer, and the rotary speed reducer and the rotary bearing are in meshing connection.

[0015] The utility model has the advantages of:

[0016] In the utility model, the rotary large arm is combined with the telescopic arm as a whole, can rotate, has large telescopic distance, guarantees the flexibility of adjusting the position and the attitude of the whole arm support in three-dimensional space, meets the accurate requirement of the rock drilling operation on different positions, can effectively solve the problem of dead angle, and simultaneously has simple overall structure, is convenient to maintain, has more compact structure, small size in storage and saves space. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 A perspective view of a rotary telescopic double-arm support structure of a rock drilling jumbo is provided in the utility model;

[0018] Fig. 2 A right rotary telescopic arm structure schematic view of a rotary telescopic double-arm support structure of a rock drilling jumbo is provided in the utility model;

[0019] Fig. 3 A left rotary telescopic arm structure schematic view of a rotary telescopic double-arm support structure of a rock drilling jumbo is provided in the utility model.

[0020] LEGEND:

[0021] 1, left rotary telescopic arm; 2, telescopic oil cylinder one; 3, rotary large arm; 4, rotary speed reducer; 5, rotary bearing; 6, telescopic oil cylinder two; 7, right rotary telescopic arm. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] With reference to Figs. 1-3 The utility model provides an embodiment: a rotary telescopic double-arm support structure of a rock drilling jumbo, comprising a rotary large arm 3 and a rotary speed reducer 4, the rotary large arm 3 can rotate by the rotary speed reducer 4, the rotary large arm 3 can change the angle in the horizontal direction, thereby accurately aiming at the rock drilling target in different directions. The inside of the rotary large arm 3 is provided with cavities on both sides, the inside of the rotary large arm 3 is fixedly connected with right rotary telescopic arm 7, the inside of right rotary telescopic arm 7 is installed with telescopic oil cylinder one 2, the inside of right rotary telescopic arm 7 is provided with a cavity, telescopic oil cylinder one 2 is placed in the cavity in the inside of right rotary telescopic arm 7 through a pin shaft, the other end of telescopic oil cylinder one 2 is connected with the rotary large arm 3, and is placed in the cavity on the rotary large arm 3 as a whole, telescopic oil cylinder one 2 is used to drive right rotary telescopic arm 7 to move, the piston of telescopic oil cylinder one 2 is driven to stretch or retract, and right rotary telescopic arm 7 is driven to stretch or retract. The telescopic movement of right rotary telescopic arm 7 is cooperated with the telescopic movement of left rotary telescopic arm 1 and the rotation of the rotary large arm 3, so that the double-arm support is flexibly adjusted in position and posture in three-dimensional space, and it is ensured to accurately reach the rock drilling position.

[0024] With reference to Figs. 1-3The inside lower side of the rotary jib 3 is fixedly connected with a left rotary telescopic arm 1, the inside of the left rotary telescopic arm 1 is provided with a telescopic oil cylinder 2, the inside of the left rotary telescopic arm 1 is provided with a cavity, the telescopic oil cylinder 2 is placed in the cavity in the inside of the left rotary telescopic arm 1 through a pin shaft, the other end of the telescopic oil cylinder 2 is connected with the rotary jib 3 and is placed in the lower cavity of the rotary jib 3 as a whole, the telescopic oil cylinder 2 is used for driving the left rotary telescopic arm 1 to move, the hydraulic system in the telescopic oil cylinder 2 drives the piston to extend or retract, and the piston drives the left rotary telescopic arm 1 to extend or retract through a connecting part. The telescopic movement can accurately adjust the working radius. The front side of the rotary jib 3 is provided with a rotary bearing 5, the rotary bearing 5 is closely connected with the rotary jib 3, provides a stable supporting point for the rotary jib 3, and ensures the balance and stability of the rotary jib 3 in the rotating process. The rotary reduction machine 4 is in meshing connection with the rotary bearing 5, the rotary reduction machine 4 effectively transmits the torque to the rotary jib 3 through the meshing connection with the rotary bearing 5, so that the rotary jib 3 can stably and accurately rotate, and the accuracy and reliability of the entire rock drilling operation in the angle adjustment aspect are guaranteed.

[0025] Working principle: the rotary jib 3 rotates around the rotary bearing 5 under the driving of the rotary reduction machine 4 receiving the torque generated by the control system and transmitting power, so as to change the angle in the horizontal direction to accurately align different rock drilling targets in different directions, adjust the working direction and range to adapt to the needs of complex terrain and mining layout; the left rotary telescopic arm 1 makes the hydraulic system drive the piston to extend or retract under the control of the control system through the telescopic oil cylinder 2, the piston drives the left rotary telescopic arm 1 to extend or retract through a connecting part, accurately adjusts the working radius and can flexibly adapt to the change of the working space; the right rotary telescopic arm 7 drives the piston to extend or retract under the control of the control system through the telescopic oil cylinder 1, so as to drive the right rotary telescopic arm 7 to extend or retract, and the extension and retraction of the right rotary telescopic arm 7 and the rotation of the rotary jib 3 are cooperated to flexibly adjust the position and posture of the double-boom frame in the three-dimensional space, accurately reach the rock drilling position, and guarantee that the rock drilling operation efficiently and accurately meets the complex and various operation requirements.

[0026] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made shall be included in the protection scope of the present application.

Claims

1. A rotary telescopic double-boom structure of a rock drilling jumbo, comprising a rotary main boom (3) and a rotary reduction gear (4), characterized in that: The inside of the rotary jib (3) is provided with a cavity on both upper and lower sides, the upper side of the inside of the rotary jib (3) is fixedly connected with a right rotary telescopic arm (7), the inside of the right rotary telescopic arm (7) is provided with a telescopic oil cylinder (2), the lower side of the inside of the rotary jib (3) is fixedly connected with a left rotary telescopic arm (1), the inside of the left rotary telescopic arm (1) is provided with a telescopic oil cylinder (6), and the front side of the rotary jib (3) is provided with a rotary support (5).

2. A rotary telescoping double boom structure for a jumbo as claimed in claim 1, characterized in that: The inside of the left rotary telescopic arm (1) is provided with a cavity, the telescopic oil cylinder (6) is placed in the cavity in the inside of the left rotary telescopic arm (1) through a pin shaft, the other end of the telescopic oil cylinder (6) is connected with the rotary jib (3), and the telescopic oil cylinder (6) is placed in the lower cavity of the rotary jib (3) as a whole.

3. The rotary telescoping double boom structure of a drill jumbo according to claim 1, characterized in that: The inside of the right rotary telescopic arm (7) is provided with a cavity, the telescopic oil cylinder (2) is placed in the cavity in the inside of the right rotary telescopic arm (7) through a pin shaft, the other end of the telescopic oil cylinder (2) is connected with the rotary jib (3), and the telescopic oil cylinder (2) is placed in the upper cavity of the rotary jib (3) as a whole.

4. The rotary telescoping double boom structure of a drill jumbo according to claim 1, characterized in that: The telescopic oil cylinder (2) is used for driving the right rotary telescopic arm (7) to move, and the telescopic oil cylinder (6) is used for driving the left rotary telescopic arm (1) to move.

5. The rotary telescoping double boom structure of a drill jumbo according to claim 1, characterized in that: The rotary jib (3) can rotate through the rotary speed reducer (4), and the rotary speed reducer (4) and the rotary support (5) are in meshing connection.

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