An electro-hydraulic integrated module with manual operation function

Abstract

The present invention belongs to the field of anchor drilling rig control technology, and solves the problem that the leakage of oil in the explosion-proof box easily causes short-circuit damage to electrical components, and the hydraulic valve group has no manual operation function and low overall reliability. An electro-hydraulic integrated module with a manual operation function is provided, the hydraulic cavity is provided with an internal oil circuit, the multi-plate proportional valve is externally connected to the proportional valve mounting surface of the hydraulic cavity and is connected to its internal oil circuit, the bottom of the hydraulic cavity is provided with an oil port joint connected to the internal oil circuit, the control handle corresponds to the plate proportional valve one-to-one and manually controls the movement of the plate proportional valve, and the plate proportional valve is used to control the movement of the anchor drilling rig; the electrical cavity is built with a controller and a pressure sensor, the controller is electrically connected to the plate proportional valve and automatically controls the movement of the plate proportional valve, and the cable introduction surface of the electrical cavity is provided with a trumpet mouth interface. The present invention integrates electrical and hydraulic functions while being separately explosion-proof, and the handle can be operated in an emergency when the control box fails, thereby improving the redundancy of the system.

Description

Technical Field

[0001] The invention belongs to the technical field of anchor drilling machine control, and in particular relates to an electro-hydraulic integrated module with a manual operation function. Background Art

[0002] As the core component of the fast excavation equipment, the operation and maintenance convenience of the anchor drilling rig affects the overall efficiency of anchor support and is the key to solving the problem of unbalanced excavation and support.

[0003] After years of technological iteration, the current anchor drilling rig operation is mainly controlled by an electro-hydraulic control box. It consists of two parts: hydraulic components and explosion-proof electric control box. Most of them are split designs, occupying a large volume and a low degree of integration. Although the solution of integrating hydraulic and electrical components in a flameproof box has a high degree of integration, its explosion-proof performance still needs time to be tested. Oil leakage can easily cause short-circuit damage to electrical components, and the hydraulic valve group has no manual operation function, and the overall reliability is low. Summary of the invention

[0004] In order to solve at least one of the above technical problems existing in the prior art, the present invention provides an electro-hydraulic integrated module with a manual operation function.

[0005] The present invention is implemented by the following technical scheme: an electro-hydraulic integrated module with a manual operation function, comprising an electro-hydraulic integrated box, a plate-type proportional valve, a control handle and a controller; the electro-hydraulic integrated box comprises a hydraulic cavity and an electrical cavity isolated from each other, the hydraulic cavity is provided with an internal oil circuit, a multi-connected plate-type proportional valve is externally connected to the proportional valve mounting surface of the hydraulic cavity and is connected to its internal oil circuit, an oil port joint connected to the internal oil circuit is provided at the bottom of the hydraulic cavity, a groove for installing a control handle is provided on the outer surface of the hydraulic cavity, the control handle corresponds to the plate-type proportional valve one-to-one and manually controls the movement of the plate-type proportional valve, and the plate-type proportional valve is used to control the movement of the anchor drilling rig; the electrical cavity is a flameproof cavity, and a controller and a pressure sensor for detecting the drill box rotation pressure MA1, the drill box feed pressure MA2 and the total oil inlet pressure MP are built in the flameproof cavity, the controller is electrically connected to the plate-type proportional valve and automatically controls the movement of the plate-type proportional valve, and a bell mouth interface is provided on the cable introduction surface of the electrical cavity.

[0006] Preferably, the balancing valve mounting surface of the hydraulic cavity is connected with a cartridge balancing valve, the cartridge balancing valve is placed outside the hydraulic cavity and communicated with its internal oil circuit, and the balancing valve mounting surface of the hydraulic cavity is provided with an oil port joint communicated with the internal oil circuit.

[0007] Preferably, a pressure reducing valve is connected to the upper portion of the proportional valve mounting surface of the hydraulic cavity, and the pressure reducing valve is in communication with an internal oil circuit of the hydraulic cavity to provide pilot control oil for the plate-type proportional valve.

[0008] Preferably, the cross-section of the electro-hydraulic integrated box is an L-shaped plate structure, the hydraulic cavity and the electrical cavity are vertically integrated with each other and separated by a partition, the proportional valve mounting surface of the hydraulic cavity is the vertical surface where the inner corner of the electro-hydraulic integrated box is located, the balance valve mounting surface of the hydraulic cavity and the cable introduction surface of the electrical cavity are the vertical surfaces where the two ends of the L-shaped plate structure are located, and the electrical cavity is sealed by a side cover plate connected to it by screws.

[0009] Preferably, the plate-type proportional valve is a proportional valve with load sensing function, pressure compensation function and secondary pressure regulation function, adopts a plate-type arrangement or a plate-plug combination arrangement, and the plate-type proportional valve is controlled by CAN bus.

[0010] Preferably, the number of plate-type proportional valves is seven, corresponding to the seven actions of the anchor drill rack: drill box rotation, drill box feeding, support column feeding, clamp clamping, drill rack left and right swing, drill rack front and back swing, and drill rack side shift / lifting.

[0011] Preferably, the oil port connector at the bottom of the hydraulic chamber includes 15 connectors connected to the oil inlet P, oil return port R, feedback port LS, and actuator oil ports A2, B2, A3, B3, A4, B4, A5, B5, A6, B6, A7, and B7 of the seven-unit plate proportional valve; the oil port connector on the mounting surface of the balancing valve includes 2 connectors connected to the actuator oil ports A1 and B1 of the seven-unit plate proportional valve.

[0012] Preferably, the trumpet-mouth interface of the cable introduction surface includes E1, E2, E3, E4, E5, and E6 for introducing the CAN bus of the plate-type proportional valve 4, the operation panel, the water valve control cable, and the sensor cable.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This device can reduce the volume of the control module box of the anchor drill, and highly integrate the electrical and hydraulic functions, reducing the space occupied by the control module. The electrical and hydraulic functions are integrated and flameproofed separately, reducing the risk of electrical short circuits caused by oil leakage, and has high reliability. All hydraulic lines are centrally connected externally through the box valve plate, which is convenient for maintenance and troubleshooting.

[0015] It has the function of hydraulic external manual operation, which can be used for emergency operation when the control box fails, improving the redundancy of the system and making the control operation of the anchor drilling rig more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention (first viewing angle);

[0018] Figure 2 is a three-dimensional schematic diagram of the overall structure of the present invention (second viewing angle);

[0019] Figure 3 It is a front view of the overall structure of the present invention;

[0020] Figure 4 It is a side view of the overall structure of the present invention (without the side cover plate);

[0021] Figure 5 is a three-dimensional schematic diagram of the electric-hydraulic integrated box of the present invention (first viewing angle);

[0022] Figure 6 is a three-dimensional schematic diagram of the electric-hydraulic integrated box of the present invention (second viewing angle);

[0023] Figure 7 It is a front view of the electric-hydraulic integrated box of the present invention;

[0024] Figure 8 is a side view of the electric-hydraulic integrated box of the present invention;

[0025] Fig. 9 It is a bottom view of the electric-hydraulic integrated box of the present invention.

[0026] In the figure: 1-electro-hydraulic integrated box; 1.1-hydraulic cavity; 1.11-groove; 1.2-electrical cavity; 1.3-oil port connector; 1.4-bell mouth interface; 1.5-side cover plate; 1.6-sealing ring; 2-plate proportional valve; 3-control handle; 4-controller; 5-pressure sensor; 6-inserted balancing valve; 7-pressure reducing valve. DETAILED DESCRIPTION

[0027] In conjunction with the drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments 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 implementation methods obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0029] The present invention provides an embodiment:

[0030] like Figures 1 to 9 As shown, an electro-hydraulic integrated module with a manual operation function includes an electro-hydraulic integrated box 1, a plate-type proportional valve 2, a control handle 3 and a controller 4; the electro-hydraulic integrated box 1 includes a hydraulic cavity 1.1 and an electrical cavity 1.2 isolated from each other, the hydraulic cavity 1.1 is provided with an internal oil circuit, the multi-plate proportional valve 2 is externally connected to the proportional valve mounting surface of the hydraulic cavity 1.1 and communicated with its internal oil circuit, the bottom of the hydraulic cavity 1.1 is provided with an oil port connector 1.3 communicated with the internal oil circuit, and the outer surface of the hydraulic cavity 1.1 is provided with a groove 1.11 for mounting the control handle 3, The control handle 3 corresponds one-to-one with the plate-type proportional valve 2 and manually controls the action of the plate-type proportional valve 2, which is used to control the action of the anchor drilling rig; the electrical cavity 1.2 is a flameproof cavity, which is equipped with a controller 4 and a pressure sensor 5 for detecting the drill box rotation pressure MA1, the drill box feed pressure MA2 and the total oil inlet pressure MP; the controller 4 is electrically connected to the plate-type proportional valve 2 and automatically controls the action of the plate-type proportional valve 2, while transmitting and processing the feedback signal of the pressure sensor; the cable introduction surface of the electrical cavity 1.2 is threadedly connected with a bell mouth interface 1.4.

[0031] In this embodiment, the number of plate-type proportional valves 2 is seven, corresponding to the seven actions of the anchor drill rack: drill box rotation, drill box feeding, support column feeding, clamp clamping, drill rack left and right swing, drill rack front and back swing, drill rack side shift / lift. All action control modes are divided into panel control and handle control. The plate-type proportional valve 2 is a proportional valve with load sensing function, pressure compensation function, and secondary pressure regulation function. It adopts a plate-type layout or a plate plug-in combination layout. The plate-type proportional valve 2 adopts CAN bus control. By programming the controller 4, the seven-valve can be controlled using an external operation panel.

[0032] The oil port connector 1.3 at the bottom of the hydraulic chamber 1.1 includes 15 connectors connected to the oil inlet P, oil return port R, feedback port LS, and actuating ports A2, B2, A3, B3, A4, B4, A5, B5, A6, B6, A7, and B7 of the seven-unit plate-type proportional valve 2; the oil port connector 1.3 on the balancing valve mounting surface includes 2 connectors connected to the actuating ports A1 and B1 of the seven-unit plate-type proportional valve 2; all external oil circuits are connected from the oil port interface, and no additional pipelines are required. The bell mouth interface 1.4 on the cable introduction surface includes E1, E2, E3, E4, E5, and E6 for introducing the CAN bus, operation panel, water valve control cable, and sensor cable of the plate-type proportional valve 4; all external electrical component cables are connected through the cable introduction surface. The plate-type proportional valve 4 uses CAN bus control, that is, a bus cable is required to be connected through the cable introduction surface.

[0033] The balancing valve mounting surface of the hydraulic cavity 1.1 is connected with a cartridge balancing valve 6, which is placed outside the hydraulic cavity 1.1 and communicated with its internal oil circuit. The balancing valve mounting surface of the hydraulic cavity 1.1 is provided with an oil port connector 1.3 communicated with the internal oil circuit. The function of the cartridge balancing valve 1.1 is to control the load condition motion of the drilling box feeding action of the anchor drilling rack and to perform passive locking.

[0034] The upper part of the proportional valve mounting surface of the hydraulic cavity 1.1 is connected with a pressure reducing valve 7, which is communicated with the internal oil circuit of the hydraulic cavity 1.1. The pressure reducing valve 7 provides pilot control oil to the plate type proportional valve 2 in the form of a cartridge valve.

[0035] In this embodiment, the cross-section of the electro-hydraulic integrated box 1 is an L-shaped plate structure, the hydraulic chamber 1.1 and the electrical chamber 1.2 are vertically integrated with each other and separated by a partition, the proportional valve installation surface of the hydraulic chamber 1.1 is the vertical surface where the inner corner of the electro-hydraulic integrated box 1 is located, the balance valve installation surface of the hydraulic chamber 1.1 and the cable introduction surface of the electrical chamber 1.2 are the vertical surfaces where the two ends of the L-shaped plate structure are located, the electrical chamber 1.2 is sealed by a side cover plate 1.5 connected to it by screws, and a sealing ring 1.6 for dust and moisture prevention is provided at the connection surface.

[0036] The plate-type proportional valve 2 is connected to the proportional valve mounting surface of the electro-hydraulic integrated box 1 by screws; the pressure reducing valve 7 is connected to the proportional valve mounting surface of the electro-hydraulic integrated box 1 by threading through the insertion hole. The two plug-in balancing valves 6 are connected to the balancing valve mounting surface of the electro-hydraulic integrated box 1 by threading through the insertion hole; the oil port connector 1.3 is connected to the bottom surface of the electro-hydraulic integrated box 1 and the oil port of the balancing valve mounting surface by threading. The pressure sensor 5 is connected to the electrical cavity 1.2 by threading, and the controller 4 is connected to the electrical cavity 1.2 by screws.

[0037] For the present invention, the design described in the article is a seven-valve design, and the number of plate-type proportional valves 4 can be changed according to different working requirements to achieve different numbers of actions corresponding to different working conditions: if the working requirement requires 9-link action, the present invention can be upgraded to 9 plate-type proportional valves.

[0038] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. An electro-hydraulic integrated module with manual operation function, characterized in that: It comprises an electro-hydraulic integrated box (1), a plate-type proportional valve (2), a control handle (3) and a controller (4); The electro-hydraulic integrated box (1) comprises a hydraulic chamber (1.1) and an electrical chamber (1.2) which are isolated from each other. The hydraulic chamber (1.1) is provided with an internal oil circuit. The multi-plate proportional valve (2) is externally connected to the proportional valve mounting surface of the hydraulic chamber (1.1) and is in communication with the internal oil circuit. The bottom of the hydraulic chamber (1.1) is provided with an oil port connector (1.3) in communication with the internal oil circuit. The outer surface of the hydraulic chamber (1.1) is provided with a groove (1.11) for mounting a control handle (3). The control handle (3) corresponds to the plate proportional valve (2) one by one and is used to manually control the movement of the plate proportional valve (2). The plate-type proportional valve (2) is used to control the action of the anchor drilling rig; the cross section of the electro-hydraulic integrated box (1) is an L-shaped plate-like structure; the hydraulic chamber (1.1) and the electrical chamber (1.2) are vertically integrated and separated by a partition; the proportional valve mounting surface of the hydraulic chamber (1.1) is the vertical surface where the inner corner of the electro-hydraulic integrated box (1) is located; the balance valve mounting surface of the hydraulic chamber (1.1) and the cable introduction surface of the electrical chamber (1.2) are the vertical surfaces where the two ends of the L-shaped plate-like structure are located; and the electrical chamber (1.2) is sealed by a side cover plate (1.5) connected to the side cover plate by screws; The electrical cavity (1.2) is a flameproof cavity, and a controller (4) and a pressure sensor (5) for detecting a drilling box rotation pressure MA1, a drilling box feed pressure MA2 and a total oil inlet pressure MP are built into the flameproof cavity. The controller (4) is electrically connected to the plate-type proportional valve (2) and automatically controls the action of the plate-type proportional valve (2). A bellmouth interface (1.4) is provided on a cable introduction surface of the electrical cavity (1.2).

2. The electro-hydraulic integrated module with manual operation function according to claim 1, characterized in that: The balancing valve mounting surface of the hydraulic cavity (1.1) is connected to a plug-in balancing valve (6), the plug-in balancing valve (6) is disposed outside the hydraulic cavity (1.1) and is in communication with an internal oil circuit thereof, and the balancing valve mounting surface of the hydraulic cavity (1.1) is provided with an oil port connector (1.3) in communication with the internal oil circuit.

3. The electro-hydraulic integrated module with manual operation function according to claim 2, characterized in that: A pressure reducing valve (7) is connected to the upper part of the proportional valve mounting surface of the hydraulic cavity (1.1); the pressure reducing valve (7) is connected to an internal oil circuit of the hydraulic cavity (1.1) to provide pilot control oil for the plate-type proportional valve (2).

4. The electro-hydraulic integrated module with manual operation function according to claim 3, characterized in that: The plate-type proportional valve (2) is a proportional valve with load sensing function, pressure compensation function and secondary pressure regulation function, and adopts a plate-type arrangement or a plate-plug combination arrangement. The plate-type proportional valve (2) adopts CAN bus control.

5. The electro-hydraulic integrated module with manual operation function according to claim 4, characterized in that: The plate-type proportional valve (2) is connected in seven units, corresponding to the seven actions of the anchor drilling rig: drilling box rotation, drilling box feeding, support column feeding, clamp clamping, drilling rig left and right swing, drilling rig front and back swing, and drilling rig sideways movement / lifting.

6. The electro-hydraulic integrated module with manual operation function according to claim 5, characterized in that: The oil port connector (1.3) at the bottom of the hydraulic chamber (1.1) includes 15 connectors connected to the oil inlet P, oil return port R, feedback port LS, and actuator oil ports A2, B2, A3, B3, A4, B4, A5, B5, A6, B6, A7, and B7 of the seven-unit plate-type proportional valve (2); the oil port connector (1.3) on the mounting surface of the balancing valve includes 2 connectors connected to the actuator oil ports A1 and B1 of the seven-unit plate-type proportional valve (2).

7. The electro-hydraulic integrated module with manual operation function according to claim 5, characterized in that: The bell mouth interface (1.4) of the cable entry surface includes E1, E2, E3, E4, E5, and E6 for introducing the CAN bus, operation panel, water valve control cable, and sensor cable of the plate-type proportional valve (2).

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