CN218598501U

CN218598501U - Control valve group for drill rod replacement

Info

Publication number: CN218598501U
Application number: CN202222630298.7U
Authority: CN
Inventors: 屠桂诚; 郑平平
Original assignee: Rongche Intelligent Technology Shanghai Co ltd
Current assignee: Rongche Intelligent Technology Shanghai Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-10
Anticipated expiration: 2032-10-08

Abstract

A control valve group for replacing a drill rod comprises a valve block, wherein a first electromagnetic valve, a fourth electromagnetic valve and a hydraulic control group are sequentially arranged on the valve block from right to left, the hydraulic control group comprises a plurality of groups of hydraulic lock groups and electromagnetic valve groups, and the number of the electromagnetic valve groups is consistent with that of the hydraulic lock groups and the electromagnetic valve groups are respectively arranged on the hydraulic lock groups; the front side surface of the valve block is provided with ports A1, A2, A3, A4 and A5, a port P and a port T from right to left; corresponding ports B1, B2, B3, B4 and B5 are arranged below the ports A1, A2, A3, A4 and A5, the valve block is respectively provided with a port P and a port T, and the port P and the port T are respectively arranged at one side of the port A1 and the port A5; and a first overflow valve and a second overflow valve are arranged on the rear side surface of the valve block, and a second electromagnetic valve is arranged between the first overflow valve and the second overflow valve. The utility model discloses a combine hydraulic pressure lock to combine the solenoid valve, through the size of drilling rod when trading the pole, the hydraulic pressure lock of cooperation drilling rod can lock actuating mechanism in required position through two-way pressurize function.

Description

Control valve group for drill rod replacement

Technical Field

The utility model relates to an overflow valve correlation technique field specifically is a control valve group is changed to drilling rod.

Background

The drill rod replacing system is specially designed for realizing quick and reliable rod replacement in the operation process of the drilling machine. However, when the existing drill rod replacing system is used, the locking effect of the rod replacement is not ideal enough, and the condition that the drill rod is damaged is easily caused because the locking effect of the rod replacement is poor in the operation process of the drilling machine.

For this reason, it is necessary to provide a drill rod replacement control valve assembly that can lock the drill rod when the rod is replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a control valve group is changed to the drilling rod to solve that the above-mentioned background art proposes only have one-way regulation and local overflow and adjust, adjust the relatively poor problem of effect.

In order to solve the technical problem, the utility model provides a following technical scheme:

a control valve group for replacing a drill rod comprises a valve block, wherein a first electromagnetic valve, a fourth electromagnetic valve and a hydraulic control group are sequentially arranged on the valve block from right to left, the hydraulic control group comprises a plurality of groups of hydraulic lock groups and electromagnetic valve groups, and the electromagnetic valve groups and the hydraulic lock groups are consistent in number and are respectively arranged on the hydraulic lock groups; the front side surface of the valve block is provided with ports A1, A2, A3, A4 and A5, a port P and a port T from right to left; corresponding ports B1, B2, B3, B4 and B5 are arranged below the ports A1, A2, A3, A4 and A5, the valve block is respectively provided with the port P and the port T, and the port P and the port T are respectively arranged at one side of the port A1 and the port A5; and a first overflow valve and a second overflow valve are arranged on the rear side surface of the valve block, and a second electromagnetic valve is arranged between the first overflow valve and the second overflow valve.

Preferably, the electromagnetic valve group comprises a third electromagnetic valve, a seventh electromagnetic valve, a sixth electromagnetic valve and a fifth electromagnetic valve; the hydraulic lock group comprises a fourth hydraulic lock, a third hydraulic lock, a second hydraulic lock and a first hydraulic lock; the third electromagnetic valve, the seventh electromagnetic valve, the sixth electromagnetic valve and the fifth electromagnetic valve are respectively arranged on the fourth hydraulic lock, the third hydraulic lock, the second hydraulic lock and the first hydraulic lock.

Preferably, a pressure reducing valve is arranged between the first electromagnetic valve and the fourth electromagnetic valve, and the pressure reducing valve (3) is used for adjusting the high pressure to the pressure required by the port B1 and the port A1.

Preferably, second dampers are respectively arranged between the A2, A3, A4 and A5 and the B2, B3, B4 and B5.

Preferably, a built-in first damper is arranged on one side of the P port on the valve block.

Preferably, the first overflow valve, the second overflow valve and the second electromagnetic valve are all provided with a loosening pad.

Preferably, a port P1 and a port T1 are provided on the side surface of the valve block.

Preferably, an X port is provided on the other side surface of the valve block 9.

Compared with the prior art, the utility model discloses it is to possess following beneficial effect:

the utility model discloses a combine hydraulic pressure lock to combine the solenoid valve, through the size of drilling rod when trading the pole, the hydraulic pressure lock of cooperation drilling rod, hydraulic pressure lock have two-way pressurize function, can lock actuating mechanism in required position, and is more reliable and more stable. The utility model discloses can combine the hydraulic pressure lock to adjust according to the drilling rod model of difference, simultaneously the utility model discloses a relief pressure valve carries out pressure regulation to high pressure and arrives B1 mouth and the required pressure of A1 mouth, does not influence other oil circuit pressures simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of a drill pipe replacement control valve assembly according to the present invention;

fig. 2 is a schematic top view of a drill pipe replacement control valve assembly provided by the present invention;

fig. 3 is a rear view structural schematic diagram of a drill rod replacement control valve set provided by the present invention;

fig. 4 is a left side view structural schematic diagram of a drill rod replacement control valve set provided by the present invention;

fig. 5 is a right side view schematic structural diagram of the drill rod replacement control valve group provided by the utility model.

The numbers in the figure are as follows:

1. a first solenoid valve; 2. a first damping; 3. a pressure reducing valve; 4. a first overflow valve; 5. a second overflow valve; 6. a second solenoid valve; 7. a third solenoid valve; 8. a fourth hydraulic lock; 9. a valve block; 10. a relaxing pad; 11. a second damping; 12. a fourth solenoid valve; 13. a fifth solenoid valve; 14. a sixth electromagnetic valve; 15. a seventh electromagnetic valve; 16. a first hydraulic lock; 17. a second hydraulic lock; 18. and a third hydraulic lock.

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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1 to 5, for the utility model discloses a control valve group is changed to drilling rod, including valve block 9, the first solenoid valve 1, fourth solenoid valve 12 and hydraulic control group are equipped with in proper order from right to left in the upper part of valve block 9, the hydraulic control group includes multiunit hydraulic lock group and solenoid valve group, solenoid valve group and hydraulic lock group's quantity is unanimous and set up respectively on the hydraulic lock group, the hydraulic lock group has two-way pressurize function, can lock actuating mechanism in required position; the electromagnetic valve group comprises a third electromagnetic valve 7, a seventh electromagnetic valve 15, a sixth electromagnetic valve 14 and a fifth electromagnetic valve 13; the hydraulic lock group comprises a fourth hydraulic lock 8, a third hydraulic lock 18, a second hydraulic lock 17 and a first hydraulic lock 16; the third solenoid valve 7, the seventh solenoid valve 15, the sixth solenoid valve 14 and the fifth solenoid valve 13 are respectively arranged on the fourth hydraulic lock 8, the third hydraulic lock 18, the second hydraulic lock 17 and the first hydraulic lock 16.

The front side surface of the valve block 9 is provided with ports A1, A2, A3, A4 and A5, a port P and a port T from right to left; corresponding ports B1, B2, B3, B4 and B5 are arranged below the ports A1, A2, A3, A4 and A5, the valve block 9 is respectively provided with a valve seat, the port P and the port T are respectively arranged on one sides of the port A1 and the port A5, and a built-in first damper 2 is arranged on one side of the port P on the valve block 9; the rear side face of the valve block 9 is provided with a first overflow valve 4 and a second overflow valve 5, the protection effect on the system pressure is achieved through the first overflow valve 4 and the second overflow valve 5, a second electromagnetic valve 6 is arranged between the first overflow valve 4 and the second overflow valve 5, and the second electromagnetic valve 6 can achieve control of the lowest pressure. A P1 port and a T1 port are formed in the left side face of the valve block 9, oil is returned through the T1 port, and oil is fed through the P1 port; an X port is arranged on the right side surface of the valve block 9. The third electromagnetic valve 7 and the fourth electromagnetic valve 12 are used for realizing the extension and retraction of the reversing mechanism oil cylinder.

Further, a pressure reducing valve 3 is arranged between the first electromagnetic valve 1 and the fourth electromagnetic valve 12, and the pressure reducing valve 3 is used for adjusting the pressure of the high pressure to the pressure required by the port B1 and the port A1, and meanwhile, the pressure of other oil ways is not influenced.

Further, A2, A3, A4, A5 and B2, B3, B4, B5 are symmetrically arranged in each upper and lower group, second dampers 11 are respectively arranged between A2, A3, A4, A5 and B2, B3, B4, B5, and each second damper 11 is arranged in a staggered manner with A2, A3, A4, A5 and B2, B3, B4, B5.

Further, the first overflow valve 4, the second overflow valve 5 and the second electromagnetic valve 6 are all provided with a loosening pad 10.

The working principle of the utility model is as follows:

oil is fed from a port P and a port P1, when the first electromagnetic valve 1 is electrified, oil reaches a port X through a first damper 2 with the thickness of 1mm, the first overflow valve 4 protects the oil pressure of the oil path, when the pressure exceeds 230bar of the first overflow valve 4, the oil directly returns to the port T, the pressure reducing valve 3 reduces the pressure of the port A1 and the port B1 to 140bar, and when the fourth electromagnetic valve 12 is electrified, the oil feeding and the oil discharging of the port A1 and the port B1 can be realized; when the fifth electromagnetic valve 13 is electrified, the oil liquid passes through the first hydraulic lock 16 to realize the interlocking function, so that the oil in the path of the port A2 and the port B2 can be obtained, the second overflow valve 5 can protect the oil in the path of the port B2 from exceeding 10bar, and then the oil returns when the second electromagnetic valve 6 is electrified; the second damper 11 can ensure that the oil entering the path is stable, and when the sixth electromagnetic valve 14 is electrified, the oil is interlocked through the second hydraulic lock 17, so that the oil inlet and the oil return of the path of oil of the ports A3 and B3 are realized; when the No. 15 electromagnetic valve of the seventh electromagnetic valve is electrified, oil is interlocked through the 18 locks of the third hydraulic lock, and oil inlet and oil return of the path of oil of the port A4 and the port B4 are realized; when the third electromagnetic valve 7 is electrified, oil is interlocked through the fourth hydraulic lock 8, and oil inlet and oil return of the oil in the A5 port and the B5 port are achieved.

The utility model discloses a combine hydraulic pressure lock to combine the solenoid valve, through the size of drilling rod when trading the pole, the hydraulic pressure lock of cooperation drilling rod, hydraulic pressure lock have two-way pressurize function, can lock actuating mechanism in required position, and is more reliable and more stable. The utility model discloses can combine the hydraulic pressure lock to adjust according to the drilling rod model of difference, simultaneously the utility model discloses a relief pressure valve carries out pressure adjustment to B1 mouth and the required pressure of A1 mouth to high pressure, does not influence other oil circuit pressures simultaneously.

It should be noted that, in this document, relational terms such as first and second, and the like are 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A control valve group for replacing a drill rod is characterized by comprising a valve block (9), wherein a first electromagnetic valve (1), a fourth electromagnetic valve (12) and a hydraulic control group are sequentially arranged on the valve block (9) from right to left, the hydraulic control group comprises a plurality of groups of hydraulic lock groups and electromagnetic valve groups, and the electromagnetic valve groups and the hydraulic lock groups are consistent in number and are respectively arranged on the hydraulic lock groups; the front side surface of the valve block (9) is provided with ports A1, A2, A3, A4 and A5, a port P and a port T from right to left; corresponding ports B1, B2, B3, B4 and B5 are arranged below the ports A1, A2, A3, A4 and A5, the valve block (9) is respectively provided with the ports P and T, and the ports P and T are respectively arranged at one sides of the ports A1 and A5; and a first overflow valve (4) and a second overflow valve (5) are arranged on the rear side surface of the valve block (9), and a second electromagnetic valve (6) is arranged between the first overflow valve (4) and the second overflow valve (5).

2. A drill rod change control valve group according to claim 1, characterized in that it comprises a third solenoid valve (7), a seventh solenoid valve (15), a sixth solenoid valve (14) and a fifth solenoid valve (13); the hydraulic lock group comprises a fourth hydraulic lock (8), a third hydraulic lock (18), a second hydraulic lock (17) and a first hydraulic lock (16); the third electromagnetic valve (7), the seventh electromagnetic valve (15), the sixth electromagnetic valve (14) and the fifth electromagnetic valve (13) are respectively arranged on the fourth hydraulic lock (8), the third hydraulic lock (18), the second hydraulic lock (17) and the first hydraulic lock (16).

3. The drill rod replacement control valve group according to claim 1, characterized in that a pressure reducing valve (3) is arranged between the first solenoid valve (1) and the fourth solenoid valve (12), and the pressure reducing valve (3) is used for adjusting the high pressure to the pressure required by the ports B1 and A1.

4. A valve group for rod replacement according to claim 1, characterized in that a second damping (11) is provided between A2, A3, A4, A5 and B2, B3, B4, B5, respectively.

5. Drill pipe change control valve group according to claim 1, characterized in that the valve block (9) is provided with a built-in first damper (2) on the side of the port P.

6. The drill rod replacement control valve group according to claim 4, wherein the first overflow valve (4), the second overflow valve (5) and the second solenoid valve (6) are provided with loosening pads (10).

7. Valve group for drill rod change according to claim 4, characterized in that the valve block (9) is provided with ports P1 and T1 on its lateral surface.

8. Drill rod change control valve group according to claim 6, characterized in that an X-port is provided on the other side surface of the valve block (9).