CN213236100U

CN213236100U - Hydraulic control quick-opening valve

Info

Publication number: CN213236100U
Application number: CN202021753982.9U
Authority: CN
Inventors: 吴秀巍; 石磊; 张玉龙; 姚欣宇; 朱颜
Original assignee: Fushun Zhenggong Mining Technology Equipment Co ltd
Current assignee: Fushun Zhenggong Mining Technology Equipment Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-18
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a hydraulic control quick-opening valve, which comprises a valve body and a fixed frame, wherein the fixed frame is arranged on the valve body, the valve body is internally provided with a blocking throttling structure, the fixed frame is provided with a rotary hydraulic control structure, one end of the blocking throttling structure extends out of the valve body and is connected with the rotary type hydraulic control structure, the utility model relates to the technical field of hydraulic control valves, one side of the valve body is provided with a rotary type hydraulic control structure, a blocking throttling structure is arranged in the valve body, one end of the blocking throttling structure is connected with the rotary type hydraulic control structure, differential rotation control over the blocking throttling structure is realized through the rotary type hydraulic control structure, thereby realizing the acceleration rotation of the front half and the deceleration rotation of the rear half of the blocking throttle structure in the rotation closing process, therefore, the blocking throttling structure can be quickly closed and opened on the premise of reducing the water hammer.

Description

Hydraulic control quick-opening valve

Technical Field

The utility model relates to a liquid accuse valve technical field specifically is a liquid accuse quick-opening valve.

Background

The hydraulic control valve is a control valve using pressurized liquid as a power source, and has a driving device for a valve switch, the driving device for the valve switch has a hydraulic actuator such as an oil cylinder and a hydraulic motor, the speed of the hydraulic control valve switch is controlled by the flow of a hydraulic medium, generally, the flow of the hydraulic medium is large, the switching speed is fast, the flow of the hydraulic medium is small, and the switching speed is slow.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a liquid accuse quick-opening valve has solved prior art, and the flow of the hydraulic medium of the switch of drive liquid accuse valve is unchangeable, is with unchangeable speed switch during the valve switch, appears the water hammer phenomenon easily when closing the valve, and when opening the valve, because the pressure of butterfly plate both sides is great, if opening speed is very fast, appears instantaneous efflux easily and strikes, causes the deformation damage of butterfly plate easily, influences life's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a hydraulic control quick-opening valve comprises a valve body and a fixing frame, wherein the fixing frame is arranged on the valve body, a blocking throttling structure is arranged in the valve body, a rotary hydraulic control structure is arranged on the fixing frame, and one end of the blocking throttling structure extends out of the valve body and is connected with the rotary hydraulic control structure;

the rotary type liquid accuse structure includes: the hydraulic device comprises a mounting seat, a hydraulic cylinder and a differential connecting assembly, wherein the mounting seat is rotatably arranged at one end of a fixed frame, the hydraulic cylinder is fixedly arranged on the mounting seat, one end of the differential connecting assembly is rotatably connected with the movable end of the hydraulic cylinder, and the other end of the differential connecting assembly is connected with a blocking throttling structure;

the blocking throttle structure includes: the valve shaft is rotatably inserted into the valve body, one end of the valve shaft extends out of the valve body and is connected with the differential connecting assembly, the sealing bearing is sleeved on the valve shaft and is fixedly connected with the valve body, the circular plate is arranged on the valve shaft, and the arc-shaped blocking assembly is arranged on the inner wall of the valve body and is respectively positioned on two sides of the circular plate.

Preferably, the differential speed connection assembly includes: the valve shaft is arranged in the valve body, one end of the valve shaft is fixedly connected with the valve body, the connecting plate is fixedly connected with the exposed end of the valve shaft, the connecting plate is provided with a rectangular through groove, and the sliding connecting component is arranged in the rectangular through groove and is rotatably connected with the movable end of the hydraulic cylinder.

Preferably, the sliding coupling member includes: two guide rails, movable block and rotation piece, two the guide rail welds respectively on the interior lateral wall face of rectangular channel, the movable block slip suit is in two on the guide rail, rotate the piece and set up on the movable block, just rotate with the expansion end of pneumatic cylinder and be connected.

Preferably, the rotating member includes: the hydraulic cylinder comprises a connecting bearing, a fixed shaft and a limiting cap, wherein a round blind groove is formed in the upper end face of the movable block, the connecting bearing is fixedly embedded in the round blind groove, one end of the fixed shaft is in interference fit with the connecting bearing, the movable end of the hydraulic cylinder is rotatably sleeved on the fixed shaft, and the limiting cap is welded to the upper end of the fixed shaft.

Preferably, the arc-shaped barrier assembly comprises: first cowl and second cowl, first cowl sets up on the inner wall of disk seat one side, second cowl sets up on the opposite side inner wall of disk seat.

Preferably, a silica gel sealing sleeve is fixedly arranged on the outer annular surface of the circular plate.

Advantageous effects

The utility model provides a hydraulic control quick-opening valve. The method has the following beneficial effects: the hydraulic control quick-opening valve is characterized in that a rotary hydraulic control structure is arranged on one side of a valve body, a blocking throttling structure is arranged in the valve body, one end of the blocking throttling structure is connected with the rotary hydraulic control structure, differential rotation control of the blocking throttling structure is realized through the rotary hydraulic control structure, the first half of accelerated rotation and the second half of decelerated rotation of the blocking throttling structure in the rotary closing process are further realized, and therefore the fast closing and opening of the blocking throttling structure are realized on the premise of reducing the occurrence of a water hammer phenomenon, the problems that in the prior art, the flow of a hydraulic medium for driving the switch of the hydraulic control valve is unchanged, the valve is switched at a constant speed, the water hammer phenomenon easily occurs when the valve is closed, and when the valve is opened, because the pressure on two sides of a butterfly plate is larger, if the opening speed is higher, instant jet impact easily occurs, and deformation and damage of the butterfly plate are, the service life is influenced.

Drawings

Fig. 1 is a schematic view of a hydraulic control quick-opening valve of the present invention.

Fig. 2 is the utility model discloses a side view structure schematic diagram of hydraulic control quick-open valve.

Fig. 3 is a schematic view of a top-view cross-sectional structure of a hydraulic control quick-opening valve of the present invention.

Fig. 4 is a schematic side view of the sliding connection member of the hydraulic control quick-opening valve of the present invention.

In the figure: 1-a valve body; 2-a fixing frame; 3-mounting a base; 4-a hydraulic cylinder; 5-valve shaft; 6-sealing the bearing; 7-circular plate; 8-connecting plates; 9-a guide rail; 10-a movable block; 11-connecting the bearing; 12-a fixed shaft; 13-a limit cap; 14-a first arced barrier; 15-a second arced barrier; 16-silica gel sealing sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Referring to fig. 1-4, the present invention provides a hydraulic control quick-opening valve:

example (b): as can be seen from the attached drawings 1-4 of the specification, the technical scheme includes a valve body 1 and a fixing frame 2, the fixing frame 2 is arranged on the valve body 1, a stop-throttling structure is arranged in the valve body 1, a rotary hydraulic control structure is arranged on the fixing frame 2, and one end of the stop-throttling structure extends out of the valve body 1 and is connected with the rotary hydraulic control structure; above-mentioned rotary type hydraulic control structure includes: the mounting seat 3 is rotatably arranged at one end of the fixed frame 2, the hydraulic cylinder 4 is fixedly arranged on the mounting seat 3, one end of the differential connection assembly is rotatably connected with the movable end of the hydraulic cylinder 4, and the other end of the differential connection assembly is connected with the blocking throttling structure; the above-mentioned throttle structure of blocking includes: the valve shaft 5 is rotatably inserted into the valve body 1, one end of the valve shaft extends out of the valve body 1 to be connected with the differential connection assembly, the sealing bearing 6 is sleeved on the valve shaft 5 and is fixedly connected with the valve body 1, the circular plate 7 is arranged on the valve shaft 5, the arc-shaped blocking assembly is arranged on the inner wall of the valve body 1 and is respectively positioned at two sides of the circular plate 7, a rotary hydraulic control structure is arranged at one side of the valve body 1, a blocking throttling structure is arranged in the valve body 1, one end of the blocking throttling structure is connected with the rotary hydraulic control structure, differential rotation control of the blocking throttling structure is realized through the rotary hydraulic control structure, and then accelerated rotation and decelerating rotation of the first half stroke of the blocking throttling structure in the rotary closing process are realized, so that the blocking throttling structure is realized on the premise of reducing water hammer phenomenon, rapidly closing and opening;

as can be seen from fig. 1 to 4 of the specification, in the specific implementation process, the differential speed connection assembly comprises: connecting plate 8 and sliding connection component, 8 one ends of connecting plate and the exposure end fixed connection of valve shaft 5 have seted up the rectangle on the connecting plate 8 and have led to the groove, and the sliding connection component sets up and leads to the inslot in the rectangle, and rotates with the expansion end of pneumatic cylinder 4 to be connected, and wherein the sliding connection component includes: two guide rails 9, movable block 10 and rotation piece, its position relation and connection relation are as follows, and two guide rails 9 weld respectively on the interior lateral wall face of rectangular channel, and movable block 10 slip suit is on two guide rails 9, and the rotation piece sets up on movable block 10, and rotates with the expansion end of pneumatic cylinder 4 and be connected, and above-mentioned rotation piece includes: the connecting bearing 11, the fixed shaft 12 and the limit cap 13 are connected, the upper end surface of the movable block 10 is provided with a round blind groove, the connecting bearing 11 is fixedly embedded in the round blind groove, one end of the fixed shaft 12 is in interference fit with the connecting bearing 11, the movable end of the hydraulic cylinder 4 is rotatably sleeved on the fixed shaft 12, the limit cap 13 is welded on the upper end of the fixed shaft 12, when the valve is required to be closed in use, the movable end of the hydraulic cylinder 4 is controlled to expand to push a sliding block at the lower end of the fixed shaft 12 to slide towards the right side between the two guide rails 9 so as to push the valve shaft 5 at one end of the connecting plate 8 to rotate with acceleration, when the connecting plate 8 rotates to the horizontal position, the movable end of the hydraulic cylinder 4 continues to expand, the movable block 10 moves along the left side of the guide rails 9, so that the rotating, and then make the circular plate 7 on the valve shaft 5 carry on the differential rotation, when the movable block 10 is pulled back to the central position of the guide rail 9, the circular plate 7 just in time rotates 90 °, has realized the function of the differential locking valve, has avoided the emergence of the water hammer phenomenon at the same time, on the contrary, when needing to open the valve, the expansion end of the control hydraulic cylinder 4 contracts, the pulling movable block 10 slides to the left side of the guide rail 9, realize the deceleration of the valve shaft 5 rotates, thus reduce the rotational speed of the circular plate 7 when opening, when the movable block 10 moves to the left end, the expansion end of the control hydraulic cylinder 4 continuously contracts, make the movable block 10 get back to the central position of the guide rail 9 again, in the latter half of opening, the valve shaft 5 is in the rotation-up state, thus can.

In the specific implementation process, as the preferred setting, the arc separates and keeps off the subassembly and includes: first cowl 14 and second cowl 15, first cowl 14 sets up on the inner wall of disk seat one side, and second cowl 15 sets up on the opposite side inner wall of disk seat, provides certain support for plectane 7, improves the structural strength of plectane 7 position under the closed condition.

In the specific implementation process, as an optimal arrangement, a silica gel sealing sleeve 16 is fixedly arranged on the outer annular surface of the circular plate 7, so that the sealing performance of the valve closing is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

To sum up, in the hydraulic control quick-opening valve, one side of the valve body 1 is provided with a rotary hydraulic control structure, a blocking throttling structure is arranged in the valve body 1, one end of the blocking throttling structure is connected with the rotary hydraulic control structure, differential rotation control of the blocking throttling structure is realized through the rotary hydraulic control structure, and then the first half of the blocking throttling structure is accelerated to rotate and the second half of the blocking throttling structure is decelerated to rotate in the rotary closing process, so that the blocking throttling structure is quickly closed and opened on the premise of reducing the occurrence of the water hammer phenomenon, the problems that in the prior art, the flow of a hydraulic medium for driving the switch of the hydraulic control valve is unchanged, the valve is opened and closed at the unchanged speed, the water hammer phenomenon is easy to occur when the valve is closed, and when the valve is opened, because the pressure on two sides of a butterfly plate is higher, if the opening speed is higher, instant, easily causes the deformation and damage of the butterfly plate and influences the service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The hydraulic control quick-opening valve comprises a valve body (1) and a fixing frame (2), and is characterized in that the fixing frame (2) is arranged on the valve body (1), a blocking throttling structure is arranged in the valve body (1), a rotary hydraulic control structure is arranged on the fixing frame (2), and one end of the blocking throttling structure extends out of the valve body (1) and is connected with the rotary hydraulic control structure;

the rotary type liquid accuse structure includes: the hydraulic device comprises a mounting seat (3), a hydraulic cylinder (4) and a differential connecting assembly, wherein the mounting seat (3) is rotatably arranged at one end of a fixed frame (2), the hydraulic cylinder (4) is fixedly arranged on the mounting seat (3), one end of the differential connecting assembly is rotatably connected with the movable end of the hydraulic cylinder (4), and the other end of the differential connecting assembly is connected with a blocking throttling structure;

the blocking throttle structure includes: valve shaft (5), sealing bearing (6), plectane (7) and arc separate and keep off the subassembly, valve shaft (5) rotate the cartridge in valve body (1), and one end stretch out valve body (1) outer be connected with differential coupling assembling, sealing bearing (6) suit on valve shaft (5) and with valve body (1) fixed connection, plectane (7) set up on valve shaft (5), the arc separates and keeps off the subassembly and sets up on valve body (1) inner wall, and is located plectane (7) both sides respectively.

2. The hydraulically controlled quick opening valve of claim 1, wherein the differential coupling assembly comprises: the valve shaft is characterized by comprising a connecting plate (8) and a sliding connecting component, wherein one end of the connecting plate (8) is fixedly connected with the exposed end of the valve shaft (5), a rectangular through groove is formed in the connecting plate (8), and the sliding connecting component is arranged in the rectangular through groove and is rotatably connected with the movable end of the hydraulic cylinder (4).

3. The hydraulically controlled quick opening valve of claim 2, wherein the sliding coupling member comprises: two guide rails (9), movable block (10) and rotation piece, two guide rail (9) weld respectively on the interior lateral wall face of rectangular channel, movable block (10) slip suit is in two on guide rail (9), rotate the piece and set up on movable block (10) and rotate with the expansion end of pneumatic cylinder (4) and be connected.

4. A hydraulically controlled quick-opening valve according to claim 3, wherein said rotatable member comprises: the hydraulic cylinder is characterized by comprising a connecting bearing (11), a fixed shaft (12) and a limiting cap (13), wherein a round blind groove is formed in the upper end face of the movable block (10), the connecting bearing (11) is fixedly embedded in the round blind groove, one end of the fixed shaft (12) is in interference fit with the connecting bearing (11), the movable end of the hydraulic cylinder (4) is rotatably sleeved on the fixed shaft (12), and the limiting cap (13) is welded on the upper end of the fixed shaft (12).

5. The hydraulically controlled quick opening valve of claim 1, wherein the arcuate barrier assembly comprises: first cowl (14) and second cowl (15), first cowl (14) set up on the inner wall of disk seat one side, second cowl (15) set up on the opposite side inner wall of disk seat.

6. The hydraulic control quick-opening valve according to claim 1, wherein a silica gel sealing sleeve (16) is fixedly arranged on the outer side annular surface of the circular plate (7).