Drill boom rotation hydraulic balance valve of drilling trolley of large-dip-angle inclined shaft

Abstract

The utility model relates to the technical field of tunnel equipment, and discloses a drill boom rotation hydraulic balance valve of a drilling and digging trolley of a large-dip-angle inclined shaft, which comprises a rotation frame and a rotation speed reducer, a driving assembly used for controlling rotation is arranged at the bottom of the rotation frame, and a rotation large arm is arranged on the left side of the driving assembly. The left side of the rotary large arm is fixedly connected with a rotary bearing, the left side of the rotary speed reducer is provided with a rotary motor, the bottom of the rotary motor is fixedly connected with a rotary balance valve, the driving assembly comprises a hydraulic cylinder, and the top of the hydraulic cylinder is rotationally connected to the right side of the bottom of the rotary frame; and the output end of the hydraulic cylinder is fixedly connected with a drilling arm. The balance valve hydraulic circuit has the advantages that shaking and jamming are avoided, stability and safety of rotation of the drill boom under complex working conditions of a large-dip-angle inclined shaft are guaranteed, accordingly, stability and safety of rotation can be guaranteed, and the balance valve hydraulic circuit has an oil supplementing function and meets the working conditions when the rotation is operated.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel equipment, in particular to a drill arm rotary hydraulic balance valve for a drilling trolley of a steeply inclined shaft. Background Art

[0002] During the construction of long tunnels, a vertical or inclined shaft is set up to shorten the construction period. In some cases, a parallel pilot pit is set up. The drilling and drilling trolley is a professional mechanical equipment widely used in the field of engineering construction. It is mainly used for drilling and loading operations in various mines, tunnels, underground projects and other places. Its working principle is that the rotary motor drives the rotary reducer, which in turn drives the rotary boom to rotate, so that the drill arm fixed to it can realize the rotation movement to meet the needs of drilling at different angles and positions. At the same time, it is equipped with a loading device to remove and clean the waste slag and other materials generated by drilling, thereby improving construction efficiency.

[0003] When some drilling rigs are under construction, the drill arm rotation adopts a rotary motor to perform the rotation action. However, the rotation action cannot guarantee smooth and safe operation, resulting in the rotary motor being unable to respond in time and thus unable to meet the working conditions. Therefore, in response to the above shortcomings, a hydraulic balancing valve for the drill arm rotation of the drilling rig for large-angle inclined wells is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a hydraulic balancing valve for the drill arm rotation of a drilling trolley for a steep-angle inclined well, aiming to improve the problem in the existing technology that some drilling trolleys for steep-angle inclined wells cannot effectively meet the working conditions when the drill arm rotates.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The drill arm rotary hydraulic balancing valve of the drilling trolley for a steeply inclined well comprises a rotary frame and a rotary reducer. A drive assembly for controlling the rotary is provided at the bottom of the rotary frame. A rotary boom is mounted on the left side of the drive assembly. A slewing bearing is fixedly connected to the left side of the rotary boom. A rotary motor is mounted on the left side of the rotary reducer. A rotary balancing valve is fixedly connected to the bottom of the rotary motor.

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

[0008] The driving assembly includes a hydraulic cylinder, the top of which is rotatably connected to the bottom right side of the slewing frame, and the output end of the hydraulic cylinder is fixedly connected to the drill arm;

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

[0010] The top of the drill arm is rotatably connected to the bottom of the rotary frame, and the rotary arm can rotate through the rotary reducer;

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

[0012] The slewing reducer and the slewing bearing are meshedly connected, and the oil port of the hydraulic cylinder is connected to the slewing balance valve through a hydraulic pipeline;

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

[0014] The rotary balancing valve controls the rotary action, and there are two one-way valves in the circuit, which can replenish oil in time when the rotary action is running, ensuring smooth and safe operation of the action.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the present invention, the slewing frame provides stable support to ensure the stable operation of all components; the slewing motor and slewing reducer effectively transmit and convert power to drive the slewing arm to rotate; the hydraulic cylinder makes the drill arm move more flexible, and the slewing balance valve accurately controls the pressure and flow. Its two one-way valves can replenish oil in time to avoid shaking and jamming, ensuring the smooth and safe rotation of the drill arm under complex working conditions of large-angle inclined wells, thereby ensuring the smooth and safe rotation of the drill arm. When the slewing action is running, the hydraulic circuit of the balance valve has an oil replenishment function to meet the working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of the hydraulic balance valve for drilling arm rotation of a drilling trolley for a high-angle inclined well proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the rotary motor structure of the drill arm rotary hydraulic balance valve of the drilling trolley for a high-angle inclined well proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the slewing support structure of the drill arm slewing hydraulic balance valve of the drilling trolley for a high-angle inclined well proposed by the utility model.

[0020] Figure 4 Schematic diagram of the rotary balance valve structure of the drill arm rotary hydraulic balance valve of the drilling trolley for the large-angle inclined well proposed by the utility model

[0021] Legend:

[0022] 1. Slewing frame; 2. Hydraulic cylinder; 3. Drill arm; 4. Slewing boom; 5. Slewing reducer; 6. Slewing motor; 7. Slewing balance valve; 8. Slewing bearing. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Reference Figures 1 to 3 The utility model provides an embodiment: a hydraulic balancing valve for the drill arm rotation of a drilling trolley for a steep-angle inclined well, comprising a slewing frame 1 and a slewing reducer 5. The slewing frame 1 is an important supporting structure for the rotation of the entire drill arm. It provides a stable installation foundation for the slewing reducer 5, drive assembly and other related components. The slewing reducer 5 receives power provided by the slewing motor 6. A drive assembly for controlling the rotation is provided at the bottom of the slewing frame 1. The drive assembly includes a hydraulic cylinder 2. The top of the hydraulic cylinder 2 is rotatably connected to the right side of the bottom of the slewing frame 1. The output end of the hydraulic cylinder 2 is fixedly connected to the drill arm 3. The hydraulic cylinder 2 can flexibly change its angle during operation.

[0025] Reference Figures 2 to 4 The top of the drill arm 3 is rotatably connected to the bottom of the slewing frame 1. A slewing arm 4 is installed on the left side of the drive assembly. The slewing arm 4 can rotate through the slewing reducer 5. The slewing arm 4 can rotate through the adjusted power transmitted by the slewing reducer 5. The left side of the slewing arm 4 is fixedly connected to the slewing bearing 8. The slewing reducer 5 and the slewing bearing 8 are meshed. A slewing motor 6 is installed on the left side of the slewing reducer 5. The slewing motor 6 generates power and transmits the power to the slewing reducer 5 through the output shaft. A slewing balance valve 7 is fixedly connected to the bottom of the slewing motor 6. The oil port of the hydraulic cylinder 2 is connected to the slewing balance valve 7 through a hydraulic pipeline. The slewing balance valve 7 controls the slewing action. There are two one-way valves in the circuit. Oil can be replenished in time when the slewing action is running to ensure smooth and safe operation.

[0026] Working principle: The slewing motor 6 serves as the power source. After it is started, it drives the slewing reducer 5 to work. The slewing reducer 5 receives the power from the slewing motor 6 and converts it into appropriate torque and speed, driving the slewing arm 4 connected to it to rotate. The rotation of the slewing arm 4 will drive the drill arm 3 fixed on its left side to rotate together, thereby realizing the slewing action of the drill arm 3. The slewing balance valve 7 plays a key control role in this process. It can accurately adjust the pressure and flow in the hydraulic system. Two one-way valves are set in the hydraulic circuit. When the slewing action is running, due to the pressure changes inside the system, the flow characteristics of the hydraulic oil, and possible hydraulic oil loss, it may cause local hydraulic oil shortage. According to the pressure difference in the circuit, the oil is replenished in time to ensure that the hydraulic oil is always sufficient and the pressure is stable during the entire slewing action, avoiding problems such as shaking and jamming caused by insufficient hydraulic oil, ensuring the smoothness and safety of the slewing action, thereby meeting the operation requirements under complex working conditions such as large-angle inclined wells.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hydraulic balancing valve for the rotary motion of a drilling trolley for a high-angle inclined well, comprising a rotary frame (1) and a rotary reducer (5), characterized in that: A driving assembly for controlling the rotation is provided at the bottom of the rotary frame (1); a rotary arm (4) is installed on the left side of the driving assembly; a rotary support (8) is fixedly connected to the left side of the rotary arm (4); a rotary motor (6) is installed on the left side of the rotary reducer (5); and a rotary balance valve (7) is fixedly connected to the bottom of the rotary motor (6).

2. The hydraulic balancing valve for drill arm rotation of a drilling trolley for a steeply inclined well according to claim 1, characterized in that: The driving assembly comprises a hydraulic cylinder (2), the top of the hydraulic cylinder (2) is rotatably connected to the bottom right side of the slewing frame (1), and the output end of the hydraulic cylinder (2) is fixedly connected to a drill arm (3).

3. The hydraulic balancing valve for drill arm rotation of a drilling trolley for a steeply inclined well according to claim 2, characterized in that: The top of the drill arm (3) is rotatably connected to the bottom of the rotary frame (1), and the rotary arm (4) can perform rotational motion through the rotary reducer (5).

4. The hydraulic balancing valve for drill arm rotation of a drilling trolley for a steeply inclined well according to claim 2, characterized in that: The rotary reducer (5) and the rotary support (8) are in meshing connection, and the oil port of the hydraulic cylinder (2) and the rotary balance valve (7) are connected via a hydraulic pipeline.

5. The hydraulic balancing valve for drill arm rotation of a drilling trolley for a steeply inclined well according to claim 1, characterized in that: The rotary balance valve (7) controls the rotary action. There are two one-way valves in the circuit, which can replenish oil in time when the rotary action is running, ensuring that the action runs smoothly and safely.

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