Hydraulic one-way valve for filling and mining in mining area

Abstract

The rear end of a valve body is in sealed connection with one end of a mounting seat through a sealing assembly, the other end of the mounting seat is in sealed connection with an oil cylinder assembly, and the output end of the oil cylinder assembly is in transmission connection with a pull rod through a hoop, sequentially penetrates through the mounting seat, the sealing assembly and the valve body and is fixedly connected with a valve disc; an inlet pipe is arranged at the front end of the valve body; the inner side of the inlet pipe is hermetically contacted with the periphery of the valve disc; a discharge pipe is arranged at the upper end of the valve body. When the oil cylinder assembly is switched to act, a high-pressure material cavity of the HSP lift valve pump is closed, reverse backflow of conveyed slurry is prevented, the HSP lift valve pump is switched to act under low pressure, impact is prevented, the service life is prolonged, noise is lowered, and fault points of sealing damage are reduced; and a plurality of pumps can share the conveying pipe to supply materials at the same time, so that the feeding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining area exploitation equipment technical field especially relates to a hydraulic check valve for mining area filling exploitation. BACKGROUND

[0002] The existing HSP solid pump is popular among users in the fine particle size fluid conveying field because of advanced design concept, reliable quality and stable performance. The HSP lift valve pump adopts a hydraulic drive lift valve to realize the conversion of the feeding and discharging of the conveying pipe, and requires that the conveying interruption time caused by the conversion of feeding and discharging is very short, so as to ensure that there is no backflow phenomenon under high pressure conveying conditions.

[0003] The existing HSP lift valve pump will appear backflow phenomenon when the high pressure conveying slurry is switched by the action of two oil cylinders, and if multiple pumps are used for feeding at the same time, there is a risk of material mixing, which will delay the work progress. UTILITY MODEL CONTENT

[0004] The utility model discloses a hydraulic check valve for mining area filling exploitation, which effectively solves the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme.

[0006] A hydraulic check valve for mining area filling exploitation, characterized in that it comprises a valve body, a sealing assembly, a mounting seat, an oil cylinder assembly, a clamp, a pull rod, a valve disc, an inlet pipe and a discharge pipe.

[0007] Preferably, the sealing assembly comprises a sealing seat and a sealing ring, the valve body rear end and the mounting seat front end are sealingly connected through the sealing seat, the sealing ring is fitted and installed in the sealing seat, and the sealing ring is sleeved on the outer wall of the pull rod.

[0008] Preferably, the oil cylinder assembly comprises an oil cylinder body, a protection column, an oil cylinder piston, a piston rod, a dustproof ring, a guide sleeve and a gasket, the oil cylinder body is provided with the protection column at intervals around the upper and lower ends; the oil cylinder body is provided with the oil cylinder piston, the upper end of the oil cylinder piston is in transmission connection with the piston rod, the upper end of the piston rod extends out of the oil cylinder body and is connected with the piston body; the connection between the piston rod and the upper end of the oil cylinder body is provided with the dustproof ring, the lower end of the dustproof ring is in abutment with the guide sleeve, the inner side of the guide sleeve connected with the dustproof ring is provided with the gasket, and the inner side of the gasket is attached to the outer wall of the piston rod.

[0009] Preferably, the valve disc is provided with a first sealing ring, the connection between the inlet pipe and the valve body is provided with a second sealing ring, and the first sealing ring and the second sealing ring can be in interference sealing.

[0010] Preferably, the third sealing ring is arranged between the inner side of the oil cylinder body and the lower end of the guide sleeve.

[0011] Preferably, the inlet pipe and the valve body are connected and fixed through a sealing flange.

[0012] Preferably, the oil cylinder body and the protection column are fixedly connected through an oil cylinder screw.

[0013] Preferably, the rear end of the valve body is provided with a cover plate.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] (1) the rear end of the valve body is in sealing connection with one end of the mounting seat through the sealing assembly, the other end of the mounting seat is in sealing connection with the oil cylinder assembly, the output end of the oil cylinder assembly is in transmission connection with the pull rod through the clamp, and sequentially penetrates through the mounting seat, the sealing assembly and the valve body and is fixedly connected with the valve disc; the front end of the valve body is provided with the inlet pipe, the inner side of the inlet pipe is in sealable contact with the outer periphery of the valve disc; and the upper end of the valve body is provided with the discharge pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The structure sectional view when the utility model is opened;

[0017] Fig. 2 The structure sectional view when the utility model is closed. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0019] As Figs. 1-2 shown, a hydraulic one-way valve for mine filling exploitation, including valve body 1, mounting seat 2, oil cylinder assembly 3, clamp 4, pull rod 5, valve disc 6, inlet pipe 7, discharge pipe 8, oil cylinder body 9, protection column 10, oil cylinder piston 11, piston rod 12, dustproof ring 13, guide sleeve 14, gley ring 15, sealing seat 16, sealing ring 17, first sealing ring 18, second sealing ring 19, third sealing ring 20, sealing flange 21, oil cylinder screw 22, cover plate 23.

[0020] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position 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 indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] As Figs. 1-2As shown, the rear end of the valve body 1 is sealingly connected to one end of the mounting seat 2 through a sealing assembly, the other end of the mounting seat 2 is sealingly connected to the oil cylinder assembly 3, the output end of the oil cylinder assembly 3 is drivingly connected to the pull rod 5 through the clamp 4, and the pull rod 5 sequentially passes through the mounting seat 2, the sealing assembly and the valve body 1 and is fixedly connected to the valve disc 6; the front end of the valve body 1 is provided with the inlet pipe 7, and the inlet pipe 7 and the valve body 1 are fixedly connected through the sealing flange 21;

[0023] The inner side of the inlet pipe 7 is sealingly contactable with the outer periphery of the valve disc 6, specifically, the valve disc 6 is provided with the first sealing ring 18, the connection part of the inlet pipe 7 and the valve body 1 is provided with the second sealing ring 19, and the first sealing ring 18 and the second sealing ring 19 are in interference sealing. When the piston rod 12 pushes the pull rod 5 forward, it is ensured that the valve disc 6 can safely and effectively seal the slurry pumped from the inlet pipe 7, effectively preventing impact.

[0024] The upper end of the valve body 1 is provided with the discharge pipe 8, and the rear end of the valve body 1 is provided with the cover plate 23.

[0025] The sealing assembly includes a sealing seat 16 and a sealing ring 17, and the rear end of the valve body 1 is sealingly connected to the front end of the mounting seat 2 through the sealing seat 16, the sealing ring 17 is adaptively installed in the sealing seat 16, and the sealing ring 17 is sleeved on the outer wall of the pull rod 5.

[0026] The oil cylinder assembly 3 includes an oil cylinder body 9, a protection column 10, an oil cylinder piston 11, a piston rod 12, a dustproof ring 13, a guide sleeve 14 and a gley ring 15, the protection column 10 is fixedly arranged at the four peripheries of the upper and lower ends of the oil cylinder body 9; the oil cylinder piston 11 is arranged in the oil cylinder body 9, the upper end of the oil cylinder piston 11 is drivingly connected to the piston rod 12, the upper end of the piston rod 12 extends out of the oil cylinder body 9 and is connected to the piston body; the dustproof ring 13 is clamped at the connection part of the piston rod 12 and the upper end of the oil cylinder body 9, the lower end of the dustproof ring 13 abuts against the guide sleeve 14, the inner side of the connection part of the guide sleeve 14 and the dustproof ring 13 is provided with the gley ring 15, and the inner side of the gley ring 15 is attached to the outer wall of the piston rod 12.

[0027] The third sealing ring 20 is sleeved between the inner side of the oil cylinder body 9 and the lower end of the guide sleeve 14. The oil cylinder body 9 and the protection column 10 are fixedly connected through the oil cylinder screw 22.

[0028] Through the cooperation of the oil cylinder assembly 3 and the sealing assembly, the device can stably and quickly transport the slurry during the working process, and effectively avoid the backflow of the slurry.

[0029] The utility model discloses in the use process, through the inlet pipe 7 is added to the HSP poppet pump end outlet, so that the valve core of HSP poppet pump can effectively avoid the influence of slurry delivery pipeline system, when the piston rod 12 pushes or pulls back the pull rod 5, the valve core of HSP poppet pump will only be subjected to the pressure of itself, avoid the slurry in the pipeline system influence the work of HSP poppet pump, improve the valve core life of HSP poppet pump, only use one oil cylinder assembly 3 can effectively control the operation of whole device, and the overall structure is simple, and the installation and operation are time -saving and labor -saving. When the switching action of oil cylinder assembly 3, close HSP poppet pump high pressure material cavity, prevent the reverse backflow of delivery slurry, make HSP poppet pump switch action under low pressure, prevent impact, prolong the service life, reduce noise, reduce the failure point of sealing damage, can realize the feeding of multiple pump sharing delivery pipe simultaneously, improve the feeding efficiency.

[0030] The above-mentioned embodiments are only preferred embodiments of the utility model, and cannot be used to limit the right scope of the utility model, therefore, the modification, equivalent change, improvement etc. made according to the patent range of the utility model still belong to the range covered by the utility model.

Claims

1. A hydraulic non-return valve for use in mine fill mining, characterised in that: The utility model provides a valve body (1), sealing assembly, mounting seat (2), oil cylinder assembly (3), clamp (4), pull rod (5), valve disc (6), inlet pipe (7) and discharge pipe (8), the valve body (1) rear end is sealedly connected with the one end of mounting seat (2) through sealing assembly, the other end of mounting seat (2) is sealedly connected with oil cylinder assembly (3), the output end of oil cylinder assembly (3) is drivingly connected with pull rod (5) through clamp (4), and the pull rod (5) is fixedly connected with valve disc (6) in sequence and is passed through mounting seat (2), sealing assembly and valve body (1);The front end of valve body (1) is equipped with inlet pipe (7), and the inside of inlet pipe (7) is sealedly contacted with the periphery of valve disc (6);The upper end of valve body (1) is equipped with discharge pipe (8).

2. A hydraulic non-return valve for use in a mine fill mining operation according to claim 1, characterised in that: The sealing assembly includes a sealing seat (16) and a sealing ring (17), the rear end of the valve body (1) is sealingly connected with the front end of the mounting seat (2) through the sealing seat (16), the sealing ring (17) is fitted and installed in the sealing seat (16), and the sealing ring (17) is sleeved on the outer wall of the pull rod (5).

3. A hydraulic non-return valve for use in a mine fill mining operation according to claim 2, characterised in that: The oil cylinder assembly (3) includes an oil cylinder body (9), a protection column (10), an oil cylinder piston (11), a piston rod (12), a dustproof ring (13), a guide sleeve (14) and a galy ring (15), the protection column (10) is fixedly arranged at the upper and lower ends of the oil cylinder body (9) in a spaced manner, the oil cylinder piston (11) is arranged in the oil cylinder body (9), the upper end of the oil cylinder piston (11) is drivingly connected with the piston rod (12), the upper end of the piston rod (12) extends out of the oil cylinder body (9) and is connected with a piston body, the dustproof ring (13) is arranged at the connection between the piston rod (12) and the upper end of the oil cylinder body (9), the lower end of the dustproof ring (13) is abutted with the guide sleeve (14), the galy ring (15) is arranged on the inner side of the connection between the dustproof ring (13) and the guide sleeve (14), and the inner side of the galy ring (15) is attached to the outer wall of the piston rod (12).

4. A hydraulic non-return valve for use in a mine fill mining operation according to claim 3 wherein: A first sealing ring (18) is arranged on the valve disc (6), a second sealing ring (19) is arranged at the connection between the inlet pipe (7) and the valve body (1), and the first sealing ring (18) and the second sealing ring (19) are in interference sealing.

5. The hydraulic non-return valve for use in the filling of a mine with a fluid according to claim 3, characterized in that: A third sealing ring (20) is sleeved between the inner side of the oil cylinder body (9) and the lower end of the guide sleeve (14).

6. A hydraulic non-return valve for use in a mine fill mining operation according to claim 4 wherein: The inlet pipe (7) and the valve body (1) are connected and fixed through a sealing flange (21).

7. A hydraulic non-return valve for use in a mine fill mining operation according to claim 5 or 6, characterised in that: The oil cylinder body (9) and the protection column (10) are fixedly connected through an oil cylinder screw (22).

8. A hydraulic non-return valve for use in a mine fill mining operation according to claim 7, characterised in that: A cover plate (23) is arranged on the rear end of the valve body (1).

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