CN219809458U - Mining shuttle car cable reeling control valve - Google Patents

Abstract

The utility model discloses a mining shuttle car cable-winding control valve which comprises a valve body, wherein a valve core is arranged in a first through groove at the lower part of the valve body, a first spring is arranged in a groove at one end of the valve core, a first flow passage and a second flow passage are arranged in the valve body, the first flow passage and the second flow passage are simultaneously communicated with the first through groove, the lower end of a first pressure valve is connected with the first flow passage, and the lower end of a second pressure valve is connected with the second flow passage. The utility model has reasonable structural design, the first flow passage and the second flow passage in the valve body are simultaneously communicated with the first through groove, the upper end of the valve body is provided with the first pressure valve and the second pressure valve, the lower end of the first pressure valve is connected with the first flow passage, and the lower end of the second pressure valve is connected with the second flow passage.

Description

Mining shuttle car cable reeling control valve

Technical Field

The utility model belongs to the technical field of control valves, and particularly relates to a mining shuttle car cable-winding control valve.

Background

The cable winding and unwinding device is used for winding and unwinding the mining shuttle car cable, and in the working process, a control valve is needed to control the working process of the cable winding device. When the oil passes through the existing control valve, if the oil pressure is too high, the control valve is easy to damage due to the fact that the control valve is not provided with protective measures, and normal use of the cable winder is affected.

Disclosure of Invention

In order to solve the problems, the utility model provides a mining shuttle car cable-winding control valve.

The utility model is realized in the following way: the mining shuttle car cable reeling control valve comprises a valve body, wherein a first through groove is horizontally formed in the lower part of the valve body, a valve core is arranged in the first through groove and moves along the first through groove, a first joint and a second joint are arranged at two ends of the first through groove and are connected with a pipeline, the first joint and the second joint are in threaded connection with the valve body, the outer diameter of the valve core is the same as the aperture of the first through groove, the tight contact of the valve core and the valve body is ensured, liquid leakage is prevented, the length of the valve core is smaller than the distance between the first joint and the second joint, the valve core moves in the range between the first joint and the second joint, a groove is formed in the middle position of one end of the valve core, which faces the first joint, a first spring is arranged in the groove, the other end of the first spring is propped against the end part of the first joint,

a first flow passage and a second flow passage are vertically arranged in the valve body in parallel, the lower ends of the first flow passage and the second flow passage are communicated with a first through groove, a first pressure valve and a second pressure valve are vertically arranged at the upper end of the valve body in a penetrating manner, the lower end of the first pressure valve is connected with the first flow passage, the lower end of the second pressure valve is connected with the second flow passage, when oil flows in along the first joint, the valve core moves to the side of the second joint, the second flow passage is closed, the oil flows into the first flow passage, the pressure of the oil exceeds the set value of the first pressure valve, and the first pressure valve is opened to release the pressure; when oil flows in along the second connector, the oil pushes the valve core to move to one side of the first connector, the first spring is compressed, the first flow channel is closed, the second flow channel is opened, the oil flows into the second flow channel, the pressure of the oil exceeds the set value of the second pressure valve, and the second pressure valve is jacked up to release pressure.

Preferably, the middle part position of case is horizontal to be seted up the second through groove, the cavity has been seted up to the case one end that is close to the second joint, the cavity is linked together with the recess through the second through groove, be provided with the check valve in the cavity, follow the fluid that the first joint flowed into and flow into the cavity along recess and second through groove and extrude the check valve.

Preferably, a second spring is arranged in the cavity, one end of the second spring is propped against the inner wall of the valve core, the other end of the second spring is propped against the one-way valve, and oil flowing into the cavity pushes the one-way valve, so that the second spring is compressed, and the pressure value of the oil in the valve body is adjusted.

Preferably, the middle part position that the check valve deviates from recess one end is fixed and is provided with the connecting rod, the connecting rod corresponds and the size is agreed with the position of second through groove, the one end of connecting rod passes the second through groove, and the connecting rod removes along the second through groove of case tip, the second spring housing is located on the connecting rod, limits the position of second spring, prevents that the second spring from taking place the skew.

Preferably, the joint of the first joint and the second joint and the valve body is provided with an O-shaped sealing ring, so that the tight connection between the first joint and the second joint and the valve body is ensured, and liquid leakage is prevented.

The beneficial effects of the utility model are as follows: the utility model has reasonable structural design, the first flow passage and the second flow passage in the valve body are simultaneously communicated with the first through groove, the upper end of the valve body is provided with the first pressure valve and the second pressure valve, the lower end of the first pressure valve is connected with the first flow passage, and the lower end of the second pressure valve is connected with the second flow passage.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

in the figure: 1. a valve body; 2. a first through groove; 3. a valve core; 4. a first joint; 5. a second joint; 6. a groove; 7. a first spring; 8. a first flow passage; 9. a second flow passage; 10. a first pressure valve; 11. a second pressure valve; 12. a second through slot; 13. a cavity; 14. a one-way valve; 15. a second spring; 16. a connecting rod; an o-ring seal.

Detailed Description

In order to make the technical solution of the present utility model more clearly understood, the present utility model will be further described with reference to the accompanying drawings.

The mining shuttle car cable-winding control valve shown in figure 1 comprises a valve body 1, a first through groove 2 is horizontally arranged at the lower part of the valve body 1, a valve core 3 is arranged in the first through groove 2, the valve core 3 moves along the first through groove 2, two ends of the first through groove 2 are provided with a first joint 4 and a second joint 5 which are connected with a pipeline, an O-shaped sealing ring 17 is arranged at the joint of the first joint 4 and the second joint 5 with the valve body 1, the tight connection of the first joint 4 and the second joint 5 with the valve body 1 is ensured, the leakage is prevented, the first joint 4 and the second joint 5 are in threaded connection with the valve body 1, the outer diameter of the valve core 3 is the same as the aperture of the first through groove 2, the tight contact of the valve core 3 with the valve body 1 is ensured, the length of the valve core 3 is smaller than the distance between the first joint 4 and the second joint 5, the valve core 3 moves in the range between the first joint 4 and the second joint 5, a groove 6 is formed in the middle position of the valve core 3 facing one end of the first joint 4, a first spring 7 is arranged in the groove 6, the other end of the first spring 7 is propped against the end of the first joint 4, a first flow passage 8 and a second flow passage 9 are vertically arranged in the valve body 1 in parallel, the lower ends of the first flow passage 8 and the second flow passage 9 are communicated with the first through groove 2, a first pressure valve 10 and a second pressure valve 11 are vertically arranged through the upper end of the valve body 1, the lower end of the first pressure valve 10 is connected with the first flow passage 8, the lower end of the second pressure valve 11 is connected with the second flow passage 9, when oil flows in along the first joint 4, the valve core 3 moves towards the second joint 5 side, the second flow passage 9 is closed, the oil flows in the first flow passage 8, the pressure of the oil exceeds the set value of the first pressure valve 10, and the first pressure valve 10 is jacked up to release pressure; when oil flows in along the second joint 5, the oil pushes the valve core 3 to move to the first joint 4 side, the first spring 7 is compressed, the first flow channel 8 is closed, the second flow channel 9 is opened, the oil flows into the second flow channel 9, the pressure of the oil exceeds the set value of the second pressure valve 11, and the second pressure valve 11 is jacked up to release pressure.

The middle part position of case 3 has seted up the second through groove 12 horizontally, the one end that the case 3 is close to the second joint 5 has seted up cavity 13, cavity 13 is linked together with recess 6 through second through groove 12, be provided with check valve 14 in the cavity 13, the fluid that flows in from first joint 4 flows into cavity 13 along recess 6 and second through groove 12 and extrudees check valve 14, be provided with second spring 15 in the cavity 13, the one end of second spring 15 is in the same place with the inner wall of case 3, the other end is in the same place with check valve 14, the fluid that flows in cavity 13 promotes check valve 14, and then compresses second spring 15, adjusts the pressure value of the fluid in the valve body 1, the middle part position that the check valve 14 deviates from recess 6 is fixed to be provided with connecting rod 16, connecting rod 16 corresponds and the size phase fit with the position of second through groove 12, the one end of connecting rod 16 passes second through groove 12, and connecting rod 16 moves along the second through groove 12 of case 3 tip, second spring 15 cover is located on the connecting rod 16, limits the second spring 15 to prevent that second spring 15 from taking place to shift.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims (5)

1. The mining shuttle car cable reeling control valve comprises a valve body, wherein a first through groove is horizontally formed in the lower part of the valve body, a valve core is arranged in the first through groove, a first joint and a second joint are arranged at two ends of the first through groove and are in threaded connection with the valve body, the mining shuttle car cable reeling control valve is characterized in that the outer diameter of the valve core is the same as the aperture of the first through groove, the length of the valve core is smaller than the distance between the first joint and the second joint, a groove is formed in the middle part of one end of the valve core, facing the first joint, of the valve core, a first spring is arranged in the groove, the other end of the first spring is propped against the end part of the first joint,

the valve body is internally provided with a first flow passage and a second flow passage in parallel vertically, the lower ends of the first flow passage and the second flow passage are communicated with a first through groove, a first pressure valve and a second pressure valve are vertically arranged at the upper end of the valve body in a penetrating manner, the lower end of the first pressure valve is connected with the first flow passage, and the lower end of the second pressure valve is connected with the second flow passage.

2. The mining shuttle car cable reeling control valve according to claim 1, wherein a second through groove is horizontally formed in the middle of the valve core, a cavity is formed in one end, close to the second joint, of the valve core, the cavity is communicated with the groove through the second through groove, and a one-way valve is arranged in the cavity.

3. The mining shuttle car cable coiling control valve according to claim 2, wherein a second spring is arranged in the cavity, one end of the second spring is abutted with the inner wall of the valve core, and the other end of the second spring is abutted with the one-way valve.

4. The mining shuttle car cable reeling control valve according to claim 3, wherein a connecting rod is fixedly arranged in the middle of one end of the one-way valve, which is away from the groove, the connecting rod corresponds to the second through groove in position and is matched with the second through groove in size, one end of the connecting rod penetrates through the second through groove, and the second spring is sleeved on the connecting rod.

5. The mining shuttle car cable reeling control valve according to claim 1, wherein the connection of the first joint and the second joint with the valve body is provided with an O-ring.