Explosion-proof valve group for hydraulic pipeline

Abstract

The utility model relates to the technical field of valves, and discloses a hydraulic pipeline anti-explosion valve bank which comprises a shell, a connector is fixedly connected to the bottom of the shell, a groove body is formed in the shell, the interior of the connector is hollow, the upper end of the connector is communicated with the groove body, a valve element is slidably and hermetically connected to the interior of the connector, and the valve element is arranged in the shell. The valve element is cylindrical and is provided with a downward opening, a spring is arranged between the valve element and the upper surface of the groove body, a plurality of sets of valve holes are formed in the outer surface of the valve element, the hole diameters of the valve holes are different, and a rotating mechanism is arranged at the top of the shell. The controller starts the motor and the electromagnet, the electromagnet is powered on to attract the magnetic block into the groove body, hydraulic oil in the pipeline can be discharged through the valve hole and the groove body, and therefore the pressure of the pipeline can be reduced, the anti-explosion valve set can be opened in time, and pressure relief can be conducted on the pipeline.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of valves, in particular to a hydraulic pipeline explosion-proof valve group. BACKGROUND

[0002] Hydraulic systems are widely used in engineering machinery, mining machinery, agricultural machinery and industrial automation equipment fields. In the hydraulic system, the pipeline is an important component for transmitting hydraulic oil and energy. However, during the operation of the hydraulic system, the internal pressure of the pipeline may suddenly rise due to overload, excessively high oil temperature, hydraulic component failure or external impact, and even cause safety accidents such as pipeline rupture, leakage or explosion, resulting in personnel injury and equipment damage. The valve core of the existing explosion-proof valve group is not sensitive enough, so that it cannot be opened in time for pressure relief when the pressure suddenly changes, which may cause the pipeline to burst. Therefore, the application provides a hydraulic pipeline explosion-proof valve group. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problem that the valve core of the existing explosion-proof valve group is not sensitive enough, so that it cannot be opened in time for pressure relief when the pressure suddenly changes, which may cause the pipeline to burst, the application provides a hydraulic pipeline explosion-proof valve group.

[0004] The hydraulic pipeline explosion-proof valve group provided by the application adopts the following technical scheme:

[0005] A hydraulic pipeline explosion-proof valve group, comprising a shell, a connecting head fixedly connected to the bottom of the shell, a groove body formed in the interior of the shell, the connecting head being hollow and the upper end of the connecting head being in communication with the groove body, a valve core slidingly and sealingly connected in the interior of the connecting head, the valve core being cylindrical and having an opening facing downward, a spring arranged between the valve core and the upper surface of the groove body, a plurality of valve holes formed in the outer surface of the valve core, the valve holes having different diameters, a rotating mechanism arranged on the top of the shell, and the rotating mechanism being used to drive the valve core to rotate.

[0006] Preferably, an external thread is arranged on the outer surface of the connecting head, and the connecting head is threadedly installed at the opening of the pipeline.

[0007] Preferably, the rotating mechanism comprises a motor fixedly installed on the top of the shell, an output end of the motor being fixedly connected with a sleeve, a telescopic rod slidingly connected in the interior of the sleeve, a protrusion fixedly connected to the outer surface of the telescopic rod, a lower end of the telescopic rod being fixedly connected with the valve core, a lower end of the spring being fixedly connected with the valve core, and an upper end of the spring being in contact with but not connected to the inner surface of the groove body.

[0008] Preferably, a magnetic block is fixedly connected to the upper surface of the valve core, an electromagnet is fixedly connected to the upper surface of the groove body, and the electromagnet is powered to attract the magnetic block.

[0009] Preferably, the connecting head is internally fixedly connected with a connecting rod, and the connecting rod is fixedly connected with a detector.

[0010] To sum up, the present application has the following beneficial technical effects:

[0011] When the pipeline pressure is too large, the detector transmits a signal to the controller, the controller starts the motor and the electromagnet, the electromagnet is powered to attract the magnetic block to the inside of the groove body, and the hydraulic oil in the pipeline can be discharged through the valve hole and the groove body, thereby reducing the pressure of the pipeline. The present application reacts quickly and can timely open the explosion-proof valve group to relieve the pressure of the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic diagram of the whole application embodiment;

[0013] Figure 2 is a sectional view of the application embodiment;

[0014] Figure 3 is an application embodiment Figure 2 enlarged view of A;

[0015] Figure 4 is a structural schematic diagram of the valve core of the application embodiment.

[0016] BRIEF DESCRIPTION OF DRAWINGS: 1, shell; 2, connecting head; 3, groove; 4, motor; 5, detector; 6, sleeve; 7, connecting rod; 8, valve core; 9, magnetic block; 10, electromagnet; 11, valve hole; 12, telescopic rod; 13, protruding block; 14, spring. DETAILED DESCRIPTION

[0017] The following will be described in detail in combination with the Figures 1-4 The present application will be further described in detail.

[0018] The application embodiment discloses a hydraulic pipeline explosion-proof valve group, which comprises a shell 1, a connecting head 2 fixedly connected to the bottom of the shell 1, a groove 3 formed in the inside of the shell 1, the connecting head 2 being hollow and the upper end of the connecting head 2 being in communication with the groove 3, a valve core 8 slidingly and sealingly connected in the inside of the connecting head 2, the valve core 8 being cylindrical and having an opening downward, a spring 14 arranged between the valve core 8 and the upper surface of the groove 3, a plurality of valve holes 11 formed in the outer surface of the valve core 8, the valve holes 11 having different diameters, a rotating mechanism arranged on the top of the shell 1, and the rotating mechanism being used for driving the valve core 8 to rotate.

[0019] In the embodiment, the valve holes 11 are designed to allow hydraulic oil with different flow rates to pass through, and the angle of the valve core 8 can be adjusted by arranging the rotating mechanism, that is, the position of the valve holes 11 can be adjusted, so that the valve holes 11 are aligned with the opening of the groove 3, and the hydraulic oil can be discharged.

[0020] Further, the outer surface of the connecting head 2 is provided with external threads, and the connecting head 2 can be screwed into the pipeline opening.

[0021] Further, the rotating mechanism comprises a motor 4 fixedly installed on the top of the shell 1, the output end of the motor 4 is fixedly connected with a sleeve 6, the sleeve 6 is slidably connected with an extension rod 12 inside, the outer surface of the extension rod 12 is fixedly connected with a protruding block 13, the lower end of the extension rod 12 is fixedly connected with the valve core 8, the lower end of the spring 14 is fixedly connected with the valve core 8, and the upper end of the spring 14 is in contact with the inner surface of the groove body 3 but not connected.

[0022] In this embodiment, the sleeve 6, the extension rod 12 and the valve core 8 can be rotated by driving the motor 4, so that the angle of the valve core 8 can be adjusted, and the sleeve 6 and the extension rod 12 can cooperate with the valve core 8 to move.

[0023] Further, the upper surface of the valve core 8 is fixedly connected with a magnetic block 9, and the upper surface of the groove body 3 is fixedly connected with an electromagnet 10, and the electromagnet 10 attracts the magnetic block 9 when powered.

[0024] In this embodiment, the electromagnet 10 attracts the magnetic block 9 to the inside of the groove body 3 when powered, and the hydraulic oil in the pipeline can be discharged through the valve hole 11 and the groove body 3, thereby reducing the pressure of the pipeline.

[0025] Further, the connecting rod 7 is fixedly connected inside the connecting head 2, and the detector 5 is fixedly connected on the connecting rod 7.

[0026] The detector 5 in this embodiment is actually a pressure sensor, and a controller is arranged between the pressure sensor, the motor 4 and the electromagnet 10. In the hydraulic pipeline explosion-proof valve group, the controller is the core control unit of the whole system, responsible for coordinating and controlling the operation of the motor 4 and the electromagnet 10. The main function of the controller is to receive input signals, process signals, and output control signals according to the preset logic to drive the motor and the electromagnet to operate. The controller can be a PLC, a microcontroller or other types of control devices. The pressure sensor monitors the state of the hydraulic pipeline in real time and transmits the signal to the controller. The controller determines whether the motor 4 or the electromagnet 10 needs to be started according to the signal of the detector. Here, the types of the pressure sensor, the motor 4 and the electromagnet 10 are not required.

[0027] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0028] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0029] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

[0030] The above are the preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application, should be covered within the scope of protection of the present application.

Claims

1. A hydraulic line burst valve group comprising a housing (1), characterized in that, The shell (1) bottom fixedly connected with connecting head (2), the shell (1) inside is provided with groove (3), the connecting head (2) is hollow, and the connecting head (2) upper end is through with groove (3) arrangement, the connecting head (2) inside sliding seal connection has valve core (8), the valve core (8) is cylindrical and opens downward, the valve core (8) and groove (3) upper surface between setting spring (14), the valve core (8) outer surface is provided with multiple valve holes (11), the valve hole (11) aperture is not one, the shell (1) top is provided with rotating mechanism, the rotating mechanism is used to drive valve core (8) rotation.

2. A hydraulic line burst valve group according to claim 1, characterized in that The connecting head (2) outer surface is provided with external thread, the connecting head (2) can be threadedly installed at pipeline opening.

3. A hydraulic line burst valve group according to claim 2, c h a r a c t e r i z e d in that The rotating mechanism includes motor (4) fixedly installed at the top of shell (1), the output end of motor (4) is fixedly connected with sleeve (6), the sleeve (6) inside sliding connection has telescopic rod (12), the telescopic rod (12) outer surface is fixedly connected with lug (13), the lower end of telescopic rod (12) is fixedly connected with valve core (8), the lower end of spring (14) is fixedly connected with valve core (8), the upper end of spring (14) is in contact with the inner surface of groove (3) but is not connected.

4. A hydraulic line burst valve group according to claim 3, characterized in that The valve core (8) upper surface is fixedly connected with magnetic block (9), the upper surface of groove (3) is fixedly connected with electromagnet (10), the electromagnet (10) is electrified and attracts magnetic block (9).

5. A hydraulic line burst valve group according to claim 4, c h a r a c t e r i z e d in that The connecting head (2) inside fixedly connected with connecting rod (7), the connecting rod (7) is fixedly connected with detector (5).

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