CN220319498U - Slip interlocking control system - Google Patents
Slip interlocking control system Download PDFInfo
- Publication number
- CN220319498U CN220319498U CN202321928774.1U CN202321928774U CN220319498U CN 220319498 U CN220319498 U CN 220319498U CN 202321928774 U CN202321928774 U CN 202321928774U CN 220319498 U CN220319498 U CN 220319498U
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- slip
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- control
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- 239000003921 oil Substances 0.000 claims description 37
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a slip interlocking control system, which is characterized in that control valves are respectively arranged on an oil inlet pipeline aiming at a fixed bearing slip oil cylinder, a movable bearing slip oil cylinder, a fixed anti-jacking slip oil cylinder and a movable anti-jacking slip oil cylinder, the control valves are connected in series to form a multi-connected control valve, slips are grouped to form a bearing slip group and an anti-jacking slip group, interlocking valves are respectively arranged corresponding to the two slip groups to form upper control on two control valves in the group, and an unlocking valve is respectively arranged for each interlocking valve to be used as upper control on the interlocking valves, so that the safety control reliability of the closing and opening states of the slip oil cylinders in each group is further improved.
Description
Technical Field
The utility model relates to the technical field of pressurized operation. More particularly, the present utility model relates to a slip interlock control system.
Background
When the operation device with pressure of the oil well is operated, the fixed slips and the movable slips cannot be simultaneously opened, at least one group of slips is in a closed and clamped state, at present, single control valves are usually arranged for the fixed bearing slips, the movable bearing slips, the fixed anti-jacking slips and the movable anti-jacking slips for controlling the opening and closing of each control valve through the control terminal, the safety of the arrangement mode still has the defect, and an effective and reliable control means is lacked for ensuring the reliability of the on-off state of the slips when the control valves fail.
Disclosure of Invention
The utility model aims to provide a slip interlocking control system which aims to solve the technical problem that the safety of a slip switch state control mode in the prior art is insufficient.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, as embodied and broadly described herein, there is provided a slip interlock control system for controlling communication or blocking between a slip cylinder and a hydraulic power source, the slip cylinder being divided into a load-bearing slip set including a fixed load-bearing slip cylinder, a traveling load-bearing slip cylinder, and an anti-jack slip set including a fixed anti-jack slip cylinder, a traveling anti-jack slip cylinder, comprising:
the multi-connected control valve comprises a control valve which is respectively arranged corresponding to the fixed bearing slip cylinder, the movable bearing slip cylinder, the fixed anti-jacking slip cylinder and the movable anti-jacking slip cylinder, wherein each control valve is used for controlling the opening and closing of the corresponding slip cylinder, and the four control valves are arranged in series;
the interlocking valves are respectively arranged corresponding to the bearing slip group and the anti-jacking slip group, the interlocking valves of the bearing slip group are arranged between a pipeline for fixing the bearing slip oil cylinder to connect the corresponding control valve and a pipeline for fixing the traveling bearing slip oil cylinder to connect the corresponding control valve, the interlocking valves of the anti-jacking slip group are arranged between a pipeline for fixing the anti-jacking slip oil cylinder to connect the corresponding control valve and a pipeline for fixing the traveling anti-jacking slip oil cylinder to connect the corresponding control valve, and each interlocking valve is used for realizing different opening and simultaneous closing states of two control valves in the group;
the unlocking valve is respectively arranged between each interlocking valve and the hydraulic power source and used for unlocking the operation of the interlocking valve;
the multi-connected control valve and the two unlocking valves are respectively connected with a hydraulic power source.
Preferably, the multi-connected control valve further comprises a standby control valve, and the standby control valve is connected with four control valves in series.
Preferably, the interlocking valve is provided with a hydraulic control one-way valve core in a circuit for realizing the closing state of the two control valves in the group, and the hydraulic control one-way valve core is used for locking hydraulic oil in a closing cavity of the oil cylinder.
Preferably, the control valves are three-position four-way reversing valves.
Preferably, the unlocking valves are two-position three-way reversing valves.
The utility model at least comprises the following beneficial effects: according to the slip interlocking control system, control valves are respectively arranged on an oil inlet pipeline aiming at a fixed bearing slip oil cylinder, a movable bearing slip oil cylinder, a fixed anti-jacking slip oil cylinder and a movable anti-jacking slip oil cylinder, a multi-connected control valve is formed by connecting the control valves in series, slips are grouped to form a bearing slip group and an anti-jacking slip group, interlocking valves are respectively arranged corresponding to the two slip groups, upper control over two control valves in the group is formed, and an unlocking valve is respectively arranged aiming at each interlocking valve to serve as upper control over the interlocking valves, so that the safety control reliability of the closing and opening states of the slip oil cylinders is further improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic diagram of the structural connection of the present utility model.
Description of the specification reference numerals: 1. the anti-jacking slip cylinder is fixed, the anti-jacking slip cylinder is moved, the bearing slip cylinder is fixed, the bearing slip cylinder is moved, the multi-connected control valve is 5, the interlocking valve is 6, the unlocking valve is 7, and the standby control valve is 8.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
In the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.
As shown in fig. 1, the slip interlocking control system of the present utility model is used for controlling communication or blocking between a slip cylinder and a hydraulic power source, the slip cylinder is divided into a bearing slip group and an anti-jacking slip group, the bearing slip group comprises a fixed bearing slip cylinder 3 and a traveling bearing slip cylinder 4, the anti-jacking slip group comprises a fixed anti-jacking slip cylinder 1 and a traveling anti-jacking slip cylinder 2, and the slip interlocking control system comprises:
the multi-connected control valve 5 comprises a control valve which is respectively arranged corresponding to the fixed bearing slip cylinder 3, the movable bearing slip cylinder 4, the fixed anti-jacking slip cylinder 1 and the movable anti-jacking slip cylinder 2, wherein each control valve is used for controlling the opening and closing of the corresponding slip cylinder, and the four control valves are arranged in series;
the interlocking valves 6 are respectively arranged corresponding to the bearing slip group and the anti-jacking slip group, the interlocking valves 6 of the bearing slip group are arranged between a pipeline for fixing the bearing slip cylinder 3 and connecting the corresponding control valve and a pipeline for moving the bearing slip cylinder 4 and connecting the corresponding control valve, the interlocking valves 6 of the anti-jacking slip group are arranged between a pipeline for fixing the anti-jacking slip cylinder 1 and connecting the corresponding control valve and a pipeline for moving the anti-jacking slip cylinder 2 and connecting the corresponding control valve, and each interlocking valve 6 is used for realizing different opening and closing states of two control valves in the group;
an unlocking valve 7, which is provided between each of the interlock valves 6 and the hydraulic power source arrangement, respectively, for unlocking the operation of the interlock valves 6;
the multi-connected control valve 5 and the two unlocking valves 7 are respectively connected with a hydraulic power source.
The hydraulic control system is characterized in that a multi-connected control valve 5 is arranged, four control valves corresponding to a fixed bearing slip cylinder 3, a movable bearing slip cylinder 4, a fixed anti-jacking slip cylinder 1 and a movable anti-jacking slip cylinder 2 are arranged in series, each control valve independently controls the opening and closing of the corresponding slip cylinder, the multi-connected control valve 5 is connected with a hydraulic power source, oil is supplied from an oil supply port of the hydraulic power source, hydraulic oil flows into the slip cylinder through a pipeline when the control valve is in an open state, and at the moment, the corresponding fixed bearing slip and/or movable bearing slip and the fixed anti-jacking slip and/or movable anti-jacking slip can be freely operated; by arranging the interlocking valves 6, the two control valves in the bearing slip group and the anti-jacking slip group are respectively interlocked, so that the opening and closing logic of the two control valves in the bearing slip group or the anti-jacking slip group is realized, for example, when the interlocking valve 6 of the corresponding bearing slip group is opened, the fixed bearing slip cylinder 3 and the movable bearing slip cylinder 4 can be closed and opened through the corresponding control valves, the control valves are opened, and the corresponding fixed bearing slips and/or the movable bearing slips can be normally closed and opened; when any bearing slip control valve is in an 'open' position, the interlocking valve enters a closed state and locks the other bearing slip control oil cylinder, and the opening action cannot be realized through the control valve, so that the interlocking safety control of the control valves in the bearing slip group and the anti-jacking slip group is realized. The anti-jacking slip set control logic is equivalent to the bearing slip set. Through setting up unblock valve 7, the control mouth of corresponding interlocking valve 6 is connected to the unblock valve 7, and when operating unblock valve 7 in the unblock position, hydraulic power source is supplied with oil behind the unblock valve 7 to interlocking valve 6 control mouth, unblock "interlocking" logic function, and at this moment, unblock valve 7, interlocking valve 6, two control valves all are in the open state, and the slips hydro-cylinder in the corresponding slips group can freely open and close, and the slips can freely open or close the clamping state.
According to the slip interlocking control system, control valves are respectively arranged on an oil inlet pipeline aiming at a fixed bearing slip oil cylinder 3, a movable bearing slip oil cylinder 4, a fixed anti-jacking slip oil cylinder 1 and a movable anti-jacking slip oil cylinder 2, a multi-connected control valve 5 is formed by connecting the slips in series, slip groups are formed into a bearing slip group and an anti-jacking slip group, interlocking valves 6 are respectively arranged corresponding to the two slip groups, upper control of two control valves in the group is formed, and an unlocking valve 7 is respectively arranged for each interlocking valve 6 to serve as upper control of the interlocking valve 6, so that the safety control reliability of the closing and opening states of each slip oil cylinder is further improved.
In another embodiment, as shown in fig. 1, the multiple control valve 5 further includes a backup control valve 8, where the backup control valve 8 is connected in series with four control valves.
Through setting up reserve control valve 8, after one of them control valve became invalid, switch to reserve control valve 8 and realize the control function to the slips hydro-cylinder, improve the safety guarantee.
In another technical scheme, as shown in fig. 1, the interlocking valve 6 is provided with a hydraulic control unidirectional valve core in a circuit for realizing the closed state of the two control valves in the group, and the hydraulic control unidirectional valve core is used for locking hydraulic oil in a closed cavity of the oil cylinder, so that the reliability of the closed state is ensured.
In another technical scheme, as shown in fig. 1, the control valves are three-position four-way reversing valves. The three-position four-way reversing valve is in three working position states, and is provided with four oil ports which are two-in and two-out, one oil inlet is communicated with an oil supply port of the hydraulic power source, one oil outlet is communicated with an oil return port of the hydraulic power source, and the other two oil ports are communicated with two working oil ports of the interlocking valve 6.
In another technical scheme, as shown in fig. 1, the unlocking valves 7 are two-position three-way reversing valves. The unlocking valve 7 mainly comprises two states of conducting an oil way to the interlocking valve 6 and blocking the oil way, three interfaces of the unlocking valve 7 are respectively communicated with the oil supply end, the oil return end and the control port of the interlocking valve 6, and the realization and switching principle of the switching state of the reversing valve of various types are conventional knowledge in the technical field and are not repeated herein.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and drawings shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (5)
1. The utility model provides a slips interlocking control system for control slip hydro-cylinder and hydraulic power source between communicate or block, the slips hydro-cylinder divide into bearing slips group and prevent the top slip group, and bearing slips group is including fixed bearing slips hydro-cylinder, the bearing slips hydro-cylinder that moves about, prevents the top slip group including fixed top slip hydro-cylinder, move about and prevent the top slip hydro-cylinder, its characterized in that includes:
the multi-connected control valve comprises a control valve which is respectively arranged corresponding to the fixed bearing slip cylinder, the movable bearing slip cylinder, the fixed anti-jacking slip cylinder and the movable anti-jacking slip cylinder, wherein each control valve is used for controlling the opening and closing of the corresponding slip cylinder, and the four control valves are arranged in series;
the interlocking valves are respectively arranged corresponding to the bearing slip group and the anti-jacking slip group, the interlocking valves of the bearing slip group are arranged between a pipeline for fixing the bearing slip oil cylinder to connect the corresponding control valve and a pipeline for fixing the traveling bearing slip oil cylinder to connect the corresponding control valve, the interlocking valves of the anti-jacking slip group are arranged between a pipeline for fixing the anti-jacking slip oil cylinder to connect the corresponding control valve and a pipeline for fixing the traveling anti-jacking slip oil cylinder to connect the corresponding control valve, and each interlocking valve is used for realizing different opening and simultaneous closing states of two control valves in the group;
the unlocking valve is respectively arranged between each interlocking valve and the hydraulic power source and used for unlocking the operation of the interlocking valve;
the multi-connected control valve and the two unlocking valves are respectively connected with a hydraulic power source.
2. The slip interlock control system of claim 1 wherein the multi-piece control valve further comprises a backup control valve in series with four of the control valves.
3. The slip interlock control system of claim 1 wherein the interlock valve is provided with a pilot operated check valve spool in the line that effects the closed state of both of the control valves in the set for locking the cylinder closed chamber hydraulic oil.
4. The slip interlock control system of claim 1, wherein the control valves are three-position four-way reversing valves.
5. The slip interlock control system of claim 1, wherein the unlocking valves are two-position three-way reversing valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928774.1U CN220319498U (en) | 2023-07-19 | 2023-07-19 | Slip interlocking control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928774.1U CN220319498U (en) | 2023-07-19 | 2023-07-19 | Slip interlocking control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319498U true CN220319498U (en) | 2024-01-09 |
Family
ID=89417761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321928774.1U Active CN220319498U (en) | 2023-07-19 | 2023-07-19 | Slip interlocking control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319498U (en) |
-
2023
- 2023-07-19 CN CN202321928774.1U patent/CN220319498U/en active Active
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