Hydraulic control one-way valve with pressure monitoring function for mine

Abstract

According to the mine hydraulic control one-way valve with the pressure monitoring function, oil liquid is filtered through a filter screen, the purity of the oil liquid is conveniently guaranteed, impurities are prevented from entering the hydraulic control one-way valve body along with the oil liquid, and an oil outlet through groove is prevented from being blocked; by rotating a loose bolt and pulling a connecting plate outwards, the filter screen is completely separated from the filter, cleaning of the filter screen is facilitated, reduction of the filtering performance of the filter is avoided, normal work of the hydraulic control one-way valve for the mine is facilitated, and the pressure value in the pressure monitor is monitored through a pressure measuring rod; the information communication module is used for transmitting pressure value data to the computer, so that the change condition of the pressure value data can be analyzed in time, the hydraulic control one-way valve for the mine is accurately adjusted, internal elements of the hydraulic control one-way valve for the mine are protected, and the service life of the hydraulic control one-way valve is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulically controlled one-way valves, in particular to a hydraulically controlled one-way valve for mining with a pressure monitoring function. Background Art

[0002] A hydraulically controlled check valve is a valve that relies on controlling fluid pressure to allow reverse flow. This type of valve occupies an important position in the hydraulic support equipment of coal mine machinery. The difference between a hydraulically controlled check valve and an ordinary check valve is that the hydraulically controlled check valve has an additional control oil circuit. When the control oil circuit is not connected to pressurized oil, the hydraulically controlled check valve works like an ordinary check valve, and the pressurized oil only flows from the oil inlet to the oil outlet and cannot flow in the opposite direction.

[0003] For example, publication number CN107842382A discloses a hydraulically controlled one-way valve, including a valve body, a screw sleeve, a liquid inlet sleeve, a valve seat, a valve sleeve, a large valve core arranged inside the valve sleeve, a small valve core arranged inside the large valve core, a differential valve core movably arranged inside the valve sleeve and used to control the movement of the large valve core, and a pressure regulating mechanism arranged inside the valve sleeve and used to apply an elastic force to the differential valve core. The hydraulically controlled one-way valve of the present invention can realize automatic pressure relief of the hydraulically controlled one-way valve by arranging a differential valve core inside the valve sleeve, and the working pressure of the hydraulically controlled one-way valve can be adjusted by arranging a pressure regulating mechanism, so that the hydraulically controlled one-way valve can adapt to working requirements of different pressures, thereby improving the versatility of the hydraulically controlled one-way valve; the pressure regulating mechanism is arranged inside the valve sleeve, which improves the compactness of the overall structure of the hydraulically controlled one-way valve and facilitates disassembly and assembly.

[0004] The existing hydraulically controlled one-way valve for mining is not convenient for observing and detecting the pressure value, and it is difficult to timely analyze the change of the pressure value data, which affects the adjustment and use of the hydraulically controlled one-way valve for mining and is not conducive to the protection of its internal components. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a hydraulically controlled one-way valve for mining with a pressure monitoring function, so as to solve the problem raised in the above background technology that the existing hydraulically controlled one-way valve for mining is not convenient for observing and detecting pressure values, and it is difficult to timely analyze changes in pressure value data, thereby affecting the adjustment and use of the hydraulically controlled one-way valve for mining, and being not conducive to the protection of its internal components.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a hydraulically controlled one-way valve for mining with a pressure monitoring function, comprising a hydraulically controlled one-way valve body, a liquid through hole being provided at the left end of the hydraulically controlled one-way valve body, a pressure monitor being fixedly installed at the left end of the hydraulically controlled one-way valve body located on the left side of the liquid through hole, an information communication module being fixedly installed at the upper end of the pressure monitor, a battery being fixedly installed at the right end of the information communication module, an oil outlet groove being provided at the right end of the hydraulically controlled one-way valve body, a filter being fixedly installed at the right side of the oil outlet groove, an installation groove being provided at the upper end of the filter, a pressure plate being provided at the upper end of the filter located above the installation groove, a connecting plate being fixedly installed on the pressing plate, a filter being fixedly installed on the lower side of the connecting plate, and a sealing strip being fixedly installed on the lower end of the pressing plate located on the side of the connecting plate.

[0007] Preferably, a pressure measuring rod is fixedly mounted on the lower end of the information communication module, and the lower end of the pressure measuring rod extends to the interior of the pressure monitor.

[0008] Preferably, the liquid passage hole is connected to the pressure monitor, and the oil outlet groove is connected to the filter.

[0009] Preferably, a locking groove is provided at the lower end of the interior of the filter, and the lower end of the connecting plate extends to the interior of the filter and is locked and connected to the locking groove.

[0010] Preferably, the connecting plate is slidably connected to the mounting groove, the sealing strip and the filter are in contact with each other, and the pressing plate is bolted to the filter.

[0011] Preferably, the left end of the pressure monitor is provided with a connection port 1, and the right end of the filter is provided with a connection port 2.

[0012] Beneficial Effects

[0013] The utility model provides a hydraulically controlled one-way valve for mining with a pressure monitoring function. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The hydraulically controlled one-way valve for mining with pressure monitoring function first inputs oil through the second connection port, and uses the filter to filter the oil, so as to ensure the purity of the oil and prevent other impurities from entering the hydraulically controlled one-way valve body with the oil, so as to prevent the blockage of the oil outlet groove. By rotating the loose bolts and pulling the connecting plate outward, the connecting plate and the filter are completely separated from the filter, so as to facilitate the cleaning of the filter, avoid the reduction of the filtering performance of the filter, and facilitate the normal operation of the hydraulically controlled one-way valve for mining;

[0015] 2. The hydraulically controlled one-way valve for mining with pressure monitoring function monitors the pressure value inside the pressure monitor through a pressure measuring rod, and uses an information communication module to transmit the pressure value data to a computer for statistical analysis, so as to timely analyze the changes in the pressure value data, thereby accurately adjusting and using the hydraulically controlled one-way valve for mining, which is beneficial to protecting the internal components of the hydraulically controlled one-way valve for mining and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the filter structure of the utility model.

[0019] In the figure: 1. hydraulically controlled one-way valve body; 2. liquid hole; 3. pressure monitor; 4. connection port 1; 5. information communication module; 6. battery; 7. oil outlet groove; 8. filter; 9. connection port 2; 10. installation groove; 11. pressure plate; 12. connecting plate; 13. filter screen; 14. sealing strip; 15. pressure measuring rod; 16. locking groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3The utility model provides a technical solution: a hydraulically controlled one-way valve for mining with a pressure monitoring function, comprising a hydraulically controlled one-way valve body 1, a liquid through hole 2 is arranged at the left end of the hydraulically controlled one-way valve body 1, a pressure monitor 3 is fixedly installed at the left end of the hydraulically controlled one-way valve body 1 on the left side of the liquid through hole 2, an information communication module 5 is fixedly installed at the upper end of the pressure monitor 3, a battery 6 is fixedly installed at the right end of the information communication module 5, a pressure measuring rod 15 is fixedly installed at the lower end of the information communication module 5, the lower end of the pressure measuring rod 15 extends to the inside of the pressure monitor 3, the liquid through hole 2 and the pressure monitor 3 are connected to each other, and the left end of the pressure monitor 3 has a connection port 4, the pressure value inside the pressure monitor 3 is monitored by the pressure measuring rod 15, and the pressure value data is transmitted to the computer for statistical analysis by using the information communication module 5, so as to facilitate timely analysis of the change of the pressure value data, thereby accurately adjusting and using the hydraulically controlled one-way valve for mining, which is beneficial to protecting the internal components of the hydraulically controlled one-way valve for mining and prolonging its service life;

[0022] An oil outlet groove 7 is provided at the right end of the hydraulically controlled one-way valve body 1. A filter 8 is fixedly installed at the right end of the hydraulically controlled one-way valve body 1 on the right side of the oil outlet groove 7. An installation groove 10 is provided at the upper end of the filter 8. A pressing plate 11 is provided at the upper end of the filter 8 above the installation groove 10. A connecting plate 12 is fixedly installed on the pressing plate 11. A filter screen 13 is fixedly installed on the lower side of the connecting plate 12. First, oil is input through the connecting port 2 9, and the oil is filtered by the filter screen 13 to ensure the purity of the oil, prevent other impurities from entering the interior of the hydraulically controlled one-way valve body 1 with the oil, and prevent the oil outlet groove 7 from being blocked;

[0023] The lower end of the pressure plate 11 is located at the side of the connecting plate 12 and is fixedly installed with a sealing strip 14. The oil outlet groove 7 and the filter 8 are connected to each other. The lower end of the filter 8 is provided with a snap-in groove 16. The lower end of the connecting plate 12 extends to the inside of the filter 8 and is snap-connected with the snap-in groove 16. The connecting plate 12 is slidably connected with the installation groove 10. The sealing strip 14 and the filter 8 are attached to each other. The pressure plate 11 is bolted to the filter 8. The right end of the filter 8 is provided with a connection port 2 9. By rotating and loosening the bolts and pulling the connecting plate 12 outward, the connecting plate 12 and the filter screen 13 are completely separated from the filter 8, which facilitates the cleaning of the filter screen 13 and avoids the reduction of the filtering performance of the filter 8, which is conducive to the normal operation of the hydraulic control one-way valve for mining.

[0024] During operation, firstly, the oil is input through the connection port 2 9, and the oil is filtered by the filter 13 to ensure the purity of the oil and prevent other impurities from entering the hydraulically controlled one-way valve body 1 with the oil to prevent the blockage of the oil outlet groove 7. The bolts are loosened by rotating and the connecting plate 12 is pulled outward so that the connecting plate 12 and the filter 13 are completely separated from the filter 8, which is convenient for cleaning the filter 13 and avoids the reduction of the filtering performance of the filter 8. The pressure value inside the pressure monitor 3 is monitored by the pressure measuring rod 15, and the pressure value data is transmitted to the computer for statistical analysis by the information communication module 5, so as to timely analyze the changes in the pressure value data, thereby accurately adjusting and using the hydraulically controlled one-way valve for mining.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A hydraulically controlled one-way valve for use in mining with a pressure monitoring function, comprising a hydraulically controlled one-way valve body (1), characterized in that: The left end of the hydraulically controlled one-way valve body (1) is provided with a liquid through hole (2); the left end of the hydraulically controlled one-way valve body (1) is located on the left side of the liquid through hole (2) and is fixedly mounted with a pressure monitor (3); the upper end of the pressure monitor (3) is fixedly mounted with an information communication module (5); the right end of the information communication module (5) is fixedly mounted with a battery (6); the right end of the hydraulically controlled one-way valve body (1) is provided with an oil outlet groove (7); the right end of the hydraulically controlled one-way valve body (1) is located at the outlet A filter (8) is fixedly mounted on the right side of the oil groove (7); a mounting groove (10) is formed at the upper end of the filter (8); a pressing plate (11) is arranged at the upper end of the filter (8) above the mounting groove (10); a connecting plate (12) is fixedly mounted on the pressing plate (11); a filter screen (13) is fixedly mounted on the lower side of the connecting plate (12); and a sealing strip (14) is fixedly mounted on the lower end of the pressing plate (11) at the side of the connecting plate (12).

2. The hydraulically controlled one-way valve for mining with pressure monitoring function according to claim 1 is characterized in that: A pressure measuring rod (15) is fixedly mounted on the lower end of the information communication module (5), and the lower end of the pressure measuring rod (15) extends into the interior of the pressure monitor (3).

3. The hydraulically controlled one-way valve with pressure monitoring function for mining according to claim 2 is characterized in that: The liquid passage hole (2) and the pressure monitor (3) are connected to each other, and the oil outlet groove (7) and the filter (8) are connected to each other.

4. The hydraulically controlled one-way valve for mining with pressure monitoring function according to claim 3 is characterized in that: A snap-fit ​​groove (16) is provided at the lower end of the interior of the filter (8), and the lower end of the connecting plate (12) extends into the interior of the filter (8) and is snap-fitted and connected to the snap-fit ​​groove (16).

5. The hydraulically controlled one-way valve with pressure monitoring function for mining according to claim 4 is characterized in that: The connecting plate (12) is slidably connected to the mounting groove (10), the sealing strip (14) and the filter (8) are in contact with each other, and the pressing plate (11) and the filter (8) are bolted together.

6. The hydraulically controlled one-way valve with pressure monitoring function for mining according to claim 5, characterized in that: The left end of the pressure monitor (3) is provided with a connection port 1 (4), and the right end of the filter (8) is provided with a connection port 2 (9).

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