Novel drilling machine linkage valve

Abstract

The utility model relates to the technical field of hydraulic control valves, and discloses a novel drilling machine linkage valve which comprises a valve body, and the valve body is composed of an oil inlet and return valve body, a first rotary valve body, a second rotary valve body, a reversing valve body, a propelling valve body, a drilling-up valve body, a drilling-down valve body and a linkage valve plate. Composite linkage control among the rotating mechanism, the thrust oil cylinder, the hydraulic chuck and the hydraulic clamp holder is achieved. The reversing valve is high in response speed and high in control precision, and multi-path linkage control can be rapidly and accurately completed, so that the operation efficiency and precision of the drilling machine are improved. The multi-way linkage reversing valve can be quickly adjusted according to different geological conditions and operation requirements, and diversified operation requirements are met. The utility model not only solves the problems in the prior art, but also has the advantages of compact structure, simplicity and convenience in operation, convenience in maintenance and the like, and has a good application prospect.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic control valve technical field, concretely is a new type drilling rig linkage valve. BACKGROUND

[0002] Full hydraulic tunnel drilling rig is the core equipment in the construction of coal mine, mainly used for gas emission, grouting fire extinguishing hole construction and coal seam water injection hole operation. Its structure mainly includes hydraulic pump as power source, operating part (i.e. composite linkage combined multi-way reversing valve) and executing element, wherein the executing element is mainly composed of oil cylinder and hydraulic motor.

[0003] However, the existing multi-way linkage reversing valve has some defects. Due to the harsh underground operation environment, the existing reversing valve is easily contaminated by coal dust, water and other impurities, causing internal wear and blockage of the valve body, affecting the normal operation and service life of the equipment. Secondly, the existing reversing valve has slow response speed and low control accuracy in multi-way linkage control, which limits the operation efficiency and accuracy of the drilling rig to some extent. In addition, the existing reversing valve often lacks sufficient flexibility in design, making it difficult to adapt to the rapid adjustment of different geological conditions and operation requirements.

[0004] Therefore, based on the above technical problems, it is necessary for the person skilled in the art to develop a new type of drilling rig linkage valve. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a new type drilling rig linkage valve to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A new type of drilling rig linkage valve technical scheme, comprising a valve body, the valve body is composed of an inlet and return oil valve body, a rotary valve body one, a rotary valve body two, a reversing valve body, a propulsion valve body, a drilling valve body and a linkage valve piece, an overflow valve is arranged in the valve body, and the overflow valve is connected with a winch mechanism through a three-position four-way reversing valve one, and a rotary mechanism is connected with a three-position four-way reversing valve two, the rotary mechanism is connected with a balance valve through a shuttle valve one, the balance valve is connected with a propulsion oil cylinder, a small auxiliary pump overflow valve, a one-way valve two, a sequence valve, an inlet and outlet speed regulating valve and a pressure reducing valve one are sequentially and communicatively arranged below the three-position four-way reversing valve one, a three-position four-way reversing valve three is arranged on one side adjacent to the three-position four-way reversing valve two, a three-position four-way reversing valve four is arranged on one side adjacent to the three-position four-way reversing valve three, and a shuttle valve two, a positioning rotary valve one, a throttle valve, a positioning rotary valve two and a return oil throttle valve are sequentially and communicatively arranged, a one-way valve one is installed on the return oil throttle valve, the one-way valve one is connected with a pressure reducing valve one and a hydraulic chuck at both ends respectively, a hydraulic clamp is connected to the pressure reducing valve one, and the three-position four-way reversing valve four is in communication with the balance valve.

[0008] As a preferred technical solution, the overflow valve is communicated with the inlet and return oil valve body.

[0009] As a preferred technical solution, the inlet and return oil valve body, the rotary valve body one, the rotary valve body two, the reversing valve body, the push valve body, the drilling valve body and the linkage valve piece are connected by bolt assembly.

[0010] As a preferred technical solution, the valve bodies are communicated with each other through oil paths.

[0011] Compared with the prior art, the novel drilling machine linkage valve has the advantages that:

[0012] The novel drilling machine linkage valve has better sealing performance, can effectively prevent the invasion of coal dust, water and other impurities, thereby reducing the internal wear and blockage of the valve body and prolonging the service life of the equipment. The reversing valve has fast response speed and high control precision, can quickly and accurately complete multi-way linkage control, thereby improving the operation efficiency and accuracy of the drilling machine. The multi-way linkage reversing valve can be quickly adjusted according to different geological conditions and operation requirements, and meets diversified operation requirements. The novel drilling machine linkage valve not only solves the problems in the prior art, but also has the advantages of compact structure, simple operation, convenient maintenance and the like, and has good application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of a novel drilling machine linkage valve;

[0014] Figure 2 It is a principle structure schematic view of a novel drilling machine linkage valve.

[0015] In the drawing marks: 1, inlet and return oil valve body; 2, rotary valve body one; 3, rotary valve body two; 4, reversing valve body; 5, push valve body; 6, drilling valve body; 7, linkage valve piece; 8, winch mechanism; 9, rotating mechanism; 10, oil cylinder; 11, hydraulic clamp; 12, hydraulic chuck; 13, overflow valve; 14, three-position four-way reversing valve one; 15, three-position four-way reversing valve two; 16, shuttle valve one; 17, three-position four-way reversing valve three; 18, balance valve; 19, three-position four-way reversing valve four; 20, pressure reducing valve one; 21, one-way valve one; 22, return oil throttle valve; 23, positioning rotary valve one; 24, throttle valve; 25, positioning rotary valve two; 26, shuttle valve two; 27, pressure reducing valve two; 28, forward and backward speed regulating valve; 29, sequence valve; 30, one-way valve two; 31, small auxiliary pump overflow valve. DETAILED DESCRIPTION

[0016] The features and exemplary embodiments of each aspect of the present application will be described in detail below, in order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application will be further described in detail below with reference to the drawings and specific embodiments. For those skilled in the art, the present application can be implemented without some of these specific details. The following description of the embodiments is merely to provide a better understanding of the present application by showing examples of the present application.

[0017] As shown in Figure 1 、 Figure 2 The utility model provides a kind of novel drilling rig linkage valve technical scheme: including valve body, valve body is by inlet and return oil valve body 1, rotary valve body one 2, rotary valve body two 3, reversing valve body 4, propulsion valve body 5, drilling valve body 6 and linkage valve piece 7 It is composed, overflow valve 13 is provided in valve body, and overflow valve 13 is connected with winch mechanism 8 by three-position four-way reversing valve one 14, and three-position four-way reversing valve two 15 is connected rotary mechanism 9, rotary mechanism 9 is connected with balance valve 18 by shuttle valve one 16, balance valve 18 is connected with propulsion oil cylinder 10, three-position four-way reversing valve one 14 below is sequentially communicated and arranged small auxiliary pump overflow valve 31, one-way valve two 30, sequence valve 29, inlet and return speed regulating valve 28 and pressure reducing valve one 20, three-position four-way reversing valve two 15 adjacent side is provided with three-position four-way reversing valve three 17, three-position four-way reversing valve three 17 adjacent side is provided with three-position four-way reversing valve four 19, and is sequentially communicated with shuttle valve two 26, positioning rotary valve one 23, throttle valve 24, positioning rotary valve two 25 and return oil throttle valve 22, return oil throttle valve 22 is installed with one-way valve one 21, one-way valve one 21 two ends are connected with pressure reducing valve one 20 and hydraulic chuck 12, pressure reducing valve one 20 is connected with hydraulic clamp 11, three-position four-way reversing valve four 19 is communicated with balance valve 18

[0018] Among them, overflow valve 13 is communicated with inlet and return oil valve body 1;

[0019] Among them, inlet and return oil valve body 1, rotary valve body one 2, rotary valve body two 3, reversing valve body 4, propulsion valve body 5, drilling valve body 6 and linkage valve piece 7 adopt bolt assembly connection.

[0020] Among them, valve body is mutually communicated by oil circuit.

[0021] The various components of the multi-way linkage reversing valve for core drilling equipment are assembled according to the design drawing. Specifically, inlet and return oil valve body 1, rotary valve body one 2, rotary valve body two 3, reversing valve body 4, propulsion valve body 5, drilling valve body 6 and linkage valve piece 7 are bolted and connected to ensure that each component is mutually communicated by oil circuit.

[0022] The overflow valve 13 is arranged inside the valve body, and the winding mechanism 8 is connected through the three-position four-way reversing valve 14, and the rotating mechanism 9 is connected through the three-position four-way reversing valve 15. The rotating mechanism 9 is connected with the balance valve 18 through the shuttle valve 16, and the balance valve 18 is connected with the advancing oil cylinder 10.

[0023] The small auxiliary pump overflow valve 31, the one-way valve 30, the sequence valve 29, the advance and retreat speed regulating valve 28 and the pressure reducing valve 20 are sequentially arranged below the three-position four-way reversing valve 14. The three-position four-way reversing valve 17 is arranged adjacent to one side of the three-position four-way reversing valve 15, and the three-position four-way reversing valve 19 is arranged adjacent to one side of the three-position four-way reversing valve 17, and the shuttle valve 26, the positioning rotary valve 23, the throttle valve 24, the positioning rotary valve 25 and the oil return throttle valve 22 are sequentially connected. The one-way valve 21 is installed on the oil return throttle valve 22, and the one-way valve 21 is connected with the pressure reducing valve 20 and the hydraulic chuck 12 at both ends.

[0024] The hydraulic clamp 11 is connected to the pressure reducing valve 20, and the three-position four-way reversing valve 19 is connected with the balance valve 18.

[0025] For linkage operation, according to the operation requirement, the positions of the linkage valve handles 1, 2, 3 and 4 are adjusted to control the oil supply state of the oil ports A1, A2, A3, B1, B2 and B3, so as to control the actions of the winding mechanism, the rotating mechanism and the advancing oil cylinder.

[0026] In the rod adding operation, the rod unloading operation, the drill rod unthreading operation and the power head advancing drill rod operation, the positions of the linkage valve handles are adjusted according to the specific steps to realize the corresponding functions.

[0027] Through the above operation, the installation, debugging and operation of the multi-way linkage reversing valve for the core drilling equipment can be realized, and the working principle and use process of the utility model are as follows: after the components of the utility model are sequentially assembled, the actual requirements are sequentially met according to the above embodiments, and all working steps can be realized.

[0028] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model can make equivalent replacement or change, which should be covered in the protection scope of the utility model.

[0029] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model by the person skilled in the art according to the specific circumstances.

[0031] According to the above embodiments of the utility model, these embodiments do not describe all the details, and also limit the utility model to the specific embodiments. Obviously, according to the above description, many modifications and changes can be made. The embodiments are selected and specifically described in the specification, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well utilize the utility model and the modified use on the basis of the utility model. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A new type of rig gangway valve characterized in that, The valve body is composed of an inlet and return oil valve body (1), a rotary valve body one (2), a rotary valve body two (3), a reversing valve body (4), a propelling valve body (5), a tripping and drilling valve body (6) and a linkage valve piece (7), an overflow valve (13) is arranged in the valve body, the overflow valve (13) is connected with a hoisting mechanism (8) through a three-position four-way reversing valve one (14), and a three-position four-way reversing valve two (15) is connected with a rotating mechanism (9), the rotating mechanism (9) is connected with a balance valve (18) through a shuttle valve one (16), the balance valve (18) is connected with a propelling oil cylinder (10), a small auxiliary pump overflow valve (31), a one-way valve two (30), a sequence valve (29), an advance and retreat speed regulating valve (28) and a pressure reducing valve one (20) are sequentially and communicatively arranged below the three-position four-way reversing valve one (14), a three-position four-way reversing valve three (17) is arranged on one side of the three-position four-way reversing valve two (15), a three-position four-way reversing valve four (19) is arranged on one side of the three-position four-way reversing valve three (17), and a shuttle valve two (26), a positioning rotary valve one (23), a throttle valve (24), a positioning rotary valve two (25) and an oil return throttle valve (22) are sequentially and communicatively arranged, a one-way valve one (21) is mounted on the oil return throttle valve (22), the one-way valve one (21) is connected with the pressure reducing valve one (20) and a hydraulic chuck (12) at two ends, a hydraulic clamp (11) is connected with the pressure reducing valve one (20), and the three-position four-way reversing valve four (19) is in communication with the balance valve (18).

2. A new type of rig linkage valve according to claim 1, characterized in that: The overflow valve (13) is in communication with the inlet and return oil valve body (1).

3. A new type of rig linkage valve according to claim 2, characterized in that: The inlet and return oil valve body (1), the rotary valve body one (2), the rotary valve body two (3), the reversing valve body (4), the propelling valve body (5), the tripping and drilling valve body (6) and the linkage valve piece (7) are connected through bolts.

4. A new type of rig linkage valve according to claim 3, characterized in that: The valve bodies are connected through oil paths. The valve body is composed of an inlet and return oil valve body (1), a rotary valve body one (2), a rotary valve body two (3), a reversing valve body (4), a propelling valve body (5), a tripping and drilling valve body (6) and a linkage valve piece (7), an overflow valve (13) is arranged in the valve body, the overflow valve (13) is connected with a hoisting mechanism (8) through a three-position four-way reversing valve one (14), and a three-position four-way reversing valve two (15) is connected with a rotating mechanism (9), the rotating mechanism (9) is connected with a balance valve (18) through a shuttle valve one (16), the balance valve (18) is connected with a propelling oil cylinder (10), a small auxiliary pump overflow valve (31), a one-way valve two (30), a sequence valve (29), an advance and retreat speed regulating valve (28) and a pressure reducing valve one (20) are sequentially and communicatively arranged below the three-position four-way reversing valve one (14), a three-position four-way reversing valve three (17) is arranged on one side of the three-position four-way reversing valve two (15), a three-position four-way reversing valve four (19) is arranged on one side of the three-position four-way reversing valve three (17), and a shuttle valve two (26), a positioning rotary valve one (23), a throttle valve (24), a positioning rotary valve two (25) and an oil return throttle valve (22) are sequentially and communicatively arranged, a one-way valve one (21) is mounted on the oil return throttle valve (22), the one-way valve one (21) is connected with the pressure reducing valve one (20) and a hydraulic chuck (12) at two ends, a hydraulic clamp (11) is connected with the pressure reducing valve one (20), and the three-position four-way reversing valve four (19) is in communication with the balance valve (18).

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