CN206035928U - Oil drilling equipment , elevator and hydraulic system thereof - Google Patents
Oil drilling equipment , elevator and hydraulic system thereof Download PDFInfo
- Publication number
- CN206035928U CN206035928U CN201620784393.4U CN201620784393U CN206035928U CN 206035928 U CN206035928 U CN 206035928U CN 201620784393 U CN201620784393 U CN 201620784393U CN 206035928 U CN206035928 U CN 206035928U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- control valve
- elevator
- bolt
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
The utility model discloses an elevator hydraulic system, including opening the door hydro -cylinder and door latch hydro -cylinder, it is equipped with the first control valve to open the door between hydro -cylinder and the door latch hydro -cylinder, the business turn over hydraulic fluid port and the oil tank of first control valve are connected, an actuator port of first control valve with open the door the first chamber of hydro -cylinder and connect, the 2nd actuator port of first control valve with the first chamber of door latch hydro -cylinder is connected, open the door the hydro -cylinder the second chamber with the second chamber intercommunication back of door latch hydro -cylinder to communicate with the oil tank, the first control valve has two at least work positions, is used for control open the door one of them person work of opening after another person accomplishes working stroke of hydro -cylinder and door latch hydro -cylinder. The utility model discloses simplified hydraulic system, response speed is fast, is difficult for receiving the influence of environment and backpressure, has improved the stability and the reliability of system.
Description
Technical field
The utility model is related to oil equipment field, is specifically related to a kind of elevator hydraulic system, and uses the hydraulic pressure system
The elevator and oil drilling and extracting equipment of system.
Background technology
In petroleum drilling workover treatment, hydraulic elevator is important hoisting tool, and its performance directly influences drilling and repairing well work
The efficiency and security of industry.Which is typically coordinated with cat road, by automatic open-close and upset, is completed the clamping of the tubing strings such as drilling rod, is risen
Rise and transfer, due to easy to operate, can remote control, can greatly mitigate labor strength, the advantages of lift operating efficiency, often
Lower tubular column operation is played for the drilling well of top drive churn, completion etc..
Elevator is mainly made up of elevator body, switching mechanism, and elevator body is provided with enabling oil cylinder and bolt oil cylinder, for reality
Existing automatic open-close, is connected with overturning oil cylinder, for realizing the upset of elevator on switching mechanism.The main actions of each oil cylinder are by liquid
Pressure system is controlled, and for the security for guaranteeing to operate, the action of enabling oil cylinder and bolt oil cylinder has strict sequencing requirement, existing
Some hydraulic systems typically by arranging two sequence valves realizing the control of its sequencing, due to the valve quantity for adopting it is many,
Volume is big, causes system complex, and inconvenience is adjusted, and sequence valve oil pipe is oversize, and reliability is low.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of more simplified, reliable and stable elevator hydraulic system,
And using the elevator and oil drilling and extracting equipment of the hydraulic system.
A kind of first aspect of the present utility model, there is provided elevator hydraulic system, including enabling oil cylinder and bolt oil cylinder, institute
State and between enabling oil cylinder and bolt oil cylinder, be provided with the first control valve, the oil inlet and outlet of the first control valve is connected with fuel tank, institute
The first actuator port for stating the first control valve is connected with the first chamber of the enabling oil cylinder, the second work of the first control valve
Hydraulic fluid port is connected with the first chamber of the bolt oil cylinder, and the second chamber of the enabling oil cylinder is connected with the second chamber of the bolt oil cylinder
Afterwards, and with fuel tank connect, the first control valve has at least two working positions, for controlling the enabling oil cylinder and bolt oil
The one of which of cylinder opens work after another one completes one action stroke.
Further, the elevator hydraulic system also includes overturning oil cylinder and the second control valve, the second control valve
Oil inlet and outlet is connected with fuel tank, and the first actuator port of the second control valve is connected with the second chamber of the overturning oil cylinder, institute
The second actuator port for stating the second control valve is connected with the oil inlet and outlet of the described first control valve, the first chamber of the overturning oil cylinder
It is connected with fuel tank, the second control valve has at least two working positions, for controlling the overturning oil cylinder and enabling oil
Cylinder selects a unlatching job, or for controlling the overturning oil cylinder and the bolt oil cylinder selects a unlatching job.
Further, also including the 3rd control valve, the described 3rd controls the oil-in of valve and returns the elevator hydraulic system
Hydraulic fluid port is connected with fuel tank, and the first actuator port of the 3rd control valve is connected with the oil inlet and outlet of the described second control valve,
Second actuator port of the 3rd control valve is connected with the first chamber of the overturning oil cylinder, and second with the enabling oil cylinder
The second chamber connection of chamber and the bolt oil cylinder, the 3rd control valve have at least two working positions, for control system
Oil inlet and oil return direction.
Further, the 3rd control valve has at least three working positions.
Further, described first valve is controlled for two-bit triplet magnetic valve.
Further, described second valve is controlled for two-bit triplet magnetic valve.
Further, the described 3rd valve is controlled for three-position four-way electromagnetic directional valve.
Second aspect of the present utility model, additionally provides a kind of elevator, including elevator body and switching mechanism, the elevator
Body is provided with safety door, and safety door is provided with bolt, also including the elevator hydraulic system described in any of the above-described, the safety
Door is connected with the enabling oil cylinder, and the bolt is connected with the bolt oil cylinder, and the switching mechanism is connected with the overturning oil cylinder
Connect.
A kind of third aspect of the present utility model, it is further provided oil drilling and extracting equipment, including above-mentioned elevator.
The utility model replaces i.e. each oil cylinder of achievable elevator of two sequence valves by two two-bit triplet magnetic valves
Sequentially-operating, simplifies hydraulic system, need to only arrange two oil pipes and enter inside elevator, elevator interior spatial structure cloth of being more convenient for
Put.Further, since the magnetic valve fast response time for adopting, is difficult to be affected by environment and back pressure, improves the stability of system
And reliability.
Description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the principle schematic of the utility model embodiment 1；
Fig. 2 is the principle schematic in the first state of the utility model embodiment 2；
Fig. 3 is the principle schematic diagram in the second condition of the utility model embodiment 2；
Fig. 4 is the principle schematic diagram in a third condition of the utility model embodiment 2；
Fig. 5 is the principle schematic in a third condition of the utility model embodiment 2.
Description of reference numerals：1st, enabling oil cylinder；2nd, bolt oil cylinder；3rd, the first control valve；4th, overturning oil cylinder；5th, the second control
Valve；6th, the 3rd control valve.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.
In the utility model, term " first ", " second " are mainly used in distinguishing different parts, but part are not had
Body is limited.
Embodiment 1：
As shown in figure 1, the elevator hydraulic system of the present embodiment, including enabling oil cylinder 1 and bolt oil cylinder 2,1 He of enabling oil cylinder
It is provided with the first control valve 3 between bolt oil cylinder 2, the oil inlet and outlet of the first control valve 3 is connected with fuel tank, first controls the of valve 3
One actuator port is connected with the first chamber 11 of enabling oil cylinder 1, and the of the second actuator port and the bolt oil cylinder 2 of the first control valve 3
One chamber connects, and after the second chamber 12 of enabling oil cylinder 1 is connected with the second chamber of bolt oil cylinder 2, and connects with fuel tank.
First control valve 3 specifically adopts two-bit triplet magnetic valve, is capable of achieving enabling oil cylinder by the control of the first control valve 3
1 and bolt oil cylinder 2 carry out action, the i.e. one of which of enabling oil cylinder 1 and bolt oil cylinder 2 in order and complete a work in another one
Work is opened after making stroke.
Specifically, when needing to close elevator safety door, action of closing the door is performed by enabling oil cylinder first, is then held by bolt oil cylinder
Bolt action on row, makes the first control valve 3 be located at left position, and enabling oil cylinder 1 enters pressure oil, and enabling oil cylinder 1 is moved, while bolt is oily
Cylinder 2 will not be moved, and when enabling oil cylinder 1 completes one action stroke, realization is closed the door after action, and the first control valve 3 electric must shift to the right side
Position, now bolt oil cylinder 2 enter pressure oil, 2 setting in motion of bolt oil cylinder, now enabling oil cylinder 1 is slack.
Conversely, when needing to open elevator safety door, first being performed by bolt oil cylinder and releasing bolt action, then by enabling oil cylinder
Door opening action is performed, is first allowed bolt oil cylinder to lead to oil action by the first control valve 3, then is allowed enabling oil cylinder to lead to oil action.
The present embodiment replaces original two sequence valves to be capable of achieving enabling oil cylinder and door by a two-bit triplet magnetic valve
The sequentially-operating of door bolt oil cylinder, simplifies hydraulic system, improves the stability and reliability of system.
Embodiment 2：
In specific operating process, in addition to performing the operation of switch safety door, also turning operation, elevator set elevator
There is switching mechanism, on the basis of embodiment 1, elevator hydraulic system also includes overturning oil cylinder 4 and the second control valve 5, further
, for ease of realizing the commutation of system pressure oil, elevator hydraulic system is also including the 3rd control valve 6, the oil-feed of the 3rd control valve 6
Mouth and oil return opening are connected with fuel tank, and the first actuator port of the 3rd control valve 6 is connected with the oil inlet and outlet of the second control valve 5,
3rd control valve 6 the second actuator port be connected with the first chamber of overturning oil cylinder 4, and be connected to enabling oil cylinder 1 the second chamber and
Between second chamber of bolt oil cylinder 2；First actuator port of the second control valve 5 is connected with the second chamber of overturning oil cylinder 4, the second control
Second actuator port of valve processed 5 is connected with the oil inlet and outlet of the first control valve 3.
Second control valve 5 preferentially adopts two-bit triplet magnetic valve, for controlling overturning oil cylinder 4 with enabling oil cylinder 1 and bolt
Oil cylinder 2 carries out action when different, i.e., in 4 action of overturning oil cylinder, 2 akinesia of enabling oil cylinder 1 and bolt oil cylinder, conversely,
When enabling oil cylinder 1 and bolt 2 action of oil cylinder, 4 akinesia of overturning oil cylinder.3rd control valve 6 preferentially selects 3-position 4-way electromagnetism
Reversal valve, by the control of electric signal, is capable of achieving the conversion of hydraulic system oil-feed and oil return.
It should be noted that in above-described embodiment, the first chamber of each oil cylinder specifically refers to rodless cavity, and the second chamber specifically refers to
Rod chamber, certainly, those skilled in the art should know, also be capable of achieving identical function in turn in theory, in above-described embodiment
It is not restricted.
Operating process of the 2-5 to the present embodiment below in conjunction with the accompanying drawings is described in detail.
During elevator clamping tubing string is lifted or transferred, elevator is in loaded state, at elevator hydraulic system
In state shown in Fig. 2, now, in middle position, overturning oil cylinder 4 is without oil-feed, only drainback passage for the 3rd control valve 6 so that upset oil
Cylinder 4 is in quick condition, so as to avoid load from causing to damage to overturning oil cylinder 4.
When elevator needs to be overturn, elevator hydraulic system state as shown in Figure 3, now the 3rd control valve 6 is positioned at a left side
Position, the second control valve 5 are located at left position, and pressure oil enters to the rodless cavity of overturning oil cylinder 4 from P mouths, promotes the piston of overturning oil cylinder 4
To one side shifting of rod chamber, the pressure oil of its rod chamber controls 5 times T mouths of valve by second, to drive 4 action of overturning oil cylinder, from
And drive switching mechanism to be overturn.At the same time, the oil circuit of enabling oil cylinder 1 and bolt oil cylinder 2 is obstructed, in blocking.
When will load tubing string in elevator, or by the tubing string discharge in elevator to assigned target position when, need to complete to release
The a series of actions such as bolt, opening safety door, upset, elevator hydraulic system state as shown in Figure 4, now at the 3rd control valve 6
Yu Zuowei, the second control valve 5 shift to right position, and 4 oil circuit of overturning oil cylinder is obstructed, does not carry out action；First control valve 3 is in left position,
Pressure oil is directly entered the rodless cavity of bolt oil cylinder 2 by P mouths, promotes 2 piston of bolt oil cylinder to one lateral movement of rod chamber, bolt
Control 3 times T mouths of valve of pressure oil Jing first in 2 rod chamber of oil cylinder, 2 action of bolt oil cylinder until complete one action stroke, from
And realize the opening of bolt；Hereafter, the first control valve 3 is shifted to into right position, opens the oil return line of enabling oil cylinder 1, drive and open the door
1 action of oil cylinder, so as to realize the opening of safety door.After completing above-mentioned action, the second control valve 5 is shifted to into left position, that is, returns to Fig. 3
Shown state, turns on the oil circuit of overturning oil cylinder 4, realizes rotary movement.
After take out after loading tubing string in elevator or by the tubing string in elevator, when needing closed safe door, need to complete to close
3rd control valve 6 is changed by a series of actions such as safety door, upper bolt, upset, elevator hydraulic system state as shown in Figure 5 first
To right position, pressure oil is entered by P mouths, and the controls of Jing second valve 5 and the first control valve 3 enter enabling oil cylinder 1, control enabling oil cylinder
1 action.After enabling oil cylinder 1 completes one action stroke, door opening action is realized, the first control valve 3 is shifted to into right position again then,
2 oil-feed of bolt oil cylinder is capable of achieving, 2 action of bolt oil cylinder is promoted, bolt in realization finally, then controls the second control valve 5 and the
Three control valves 6 are realized 4 action of overturning oil cylinder to realize upset.
The present embodiment replaces the suitable of i.e. each oil cylinder of achievable elevator of two sequence valves by two two-bit triplet magnetic valves
Sequence action, simplifies hydraulic system, need to only arrange two oil pipes and enter inside elevator, elevator interior spatial structure cloth of being more convenient for
Put.Further, since the magnetic valve fast response time for adopting, is difficult to be affected by environment and back pressure, improves the stability of system
And reliability.
Further, the present embodiment additionally provides a kind of elevator, including elevator body, switching mechanism and above-mentioned elevator liquid
Pressure system, elevator body are provided with safety door, and safety door is provided with bolt, and wherein safety door is connected with enabling oil cylinder 1, bolt with
Bolt oil cylinder 2 connects, and switching mechanism is connected with overturning oil cylinder 4.As using above-mentioned hydraulic system, the present embodiment elevator has which
All advantages, will not be described here.
Further, the present embodiment additionally provides a kind of oil drilling and extracting equipment, including above-mentioned elevator, due to using upper
Elevator is stated, with its all advantage, be will not be described here.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of elevator hydraulic system, including enabling oil cylinder (1) and bolt oil cylinder (2), it is characterised in that：The enabling oil cylinder
(1) the first control valve (3) is provided with and bolt oil cylinder (2) between, the oil inlet and outlet of first control valve (3) is connected with fuel tank,
First actuator port of first control valve (3) is connected with the first chamber of the enabling oil cylinder (1), the first control valve
(3) the second actuator port is connected with the first chamber of the bolt oil cylinder (2), the second chamber of the enabling oil cylinder (1) and described
After the second chamber connection of bolt oil cylinder (2), and connect with fuel tank, first control valve (3) is used with least two working positions
Work is opened in the one of which for controlling the enabling oil cylinder (1) and bolt oil cylinder (2) after another one completes one action stroke
Make.
2. elevator hydraulic system according to claim 1, it is characterised in that：Also include overturning oil cylinder (4) and the second control
Valve (5), it is described second control valve (5) oil inlet and outlet be connected with fuel tank, it is described second control valve (5) the first actuator port and
The second chamber connection of the overturning oil cylinder (4), the second actuator port of second control valve (5) and the described first control valve
(3) oil inlet and outlet connection, the first chamber of the overturning oil cylinder (4) are connected with fuel tank, and second control valve (5) is with least
Two working positions, select a unlatching job for controlling the overturning oil cylinder (4) and the enabling oil cylinder (1), or for controlling institute
State overturning oil cylinder (4) and the bolt oil cylinder (2) selects a unlatching job.
3. elevator hydraulic system according to claim 2, it is characterised in that：Also including the 3rd control valve (6), the described 3rd
The oil-in and oil return opening of control valve (6) connect with fuel tank, and the described 3rd controls first actuator port and described the of valve (6)
The oil inlet and outlet connection of two controls valve (5), second actuator port and the first of the overturning oil cylinder of the 3rd control valve (6)
Chamber connects, and the second chamber of the second chamber with the enabling oil cylinder (1) and the bolt oil cylinder (2) is connected, the 3rd control
Valve (6) with least two working positions, for the oil inlet and oil return direction of control system.
4. elevator hydraulic system according to claim 3, it is characterised in that：Described 3rd controls valve (6) with least three
Individual working position.
5. the elevator hydraulic system according to any one of claim 1-4, it is characterised in that：Described first controls valve (3) is
Two-bit triplet magnetic valve.
6. the elevator hydraulic system according to any one of claim 2-4, it is characterised in that：Described second controls valve (5) is
Two-bit triplet magnetic valve.
7. the elevator hydraulic system according to any one of claim 3-4, it is characterised in that：Described 3rd controls valve (6) is
Three-position four-way electromagnetic directional valve.
8. a kind of elevator, including elevator body and switching mechanism, the elevator body are provided with safety door, and safety door is provided with door
Door bolt, it is characterised in that：Also include the elevator hydraulic system described in any one of claim 1-7, the safety door and the enabling
Oil cylinder (1) connects, and the bolt is connected with the bolt oil cylinder (2), and the switching mechanism is connected with the overturning oil cylinder (4).
9. a kind of oil drilling and extracting equipment, it is characterised in that：Including the elevator described in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784393.4U CN206035928U (en) | 2016-07-22 | 2016-07-22 | Oil drilling equipment , elevator and hydraulic system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784393.4U CN206035928U (en) | 2016-07-22 | 2016-07-22 | Oil drilling equipment , elevator and hydraulic system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035928U true CN206035928U (en) | 2017-03-22 |
Family
ID=58311129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620784393.4U Active CN206035928U (en) | 2016-07-22 | 2016-07-22 | Oil drilling equipment , elevator and hydraulic system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762072A (en) * | 2019-11-05 | 2020-02-07 | 徐州徐工矿业机械有限公司 | Hydraulic system and method for realizing sequential action of engineering vehicle mechanism and engineering vehicle |
-
2016
- 2016-07-22 CN CN201620784393.4U patent/CN206035928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762072A (en) * | 2019-11-05 | 2020-02-07 | 徐州徐工矿业机械有限公司 | Hydraulic system and method for realizing sequential action of engineering vehicle mechanism and engineering vehicle |
| CN110762072B (en) * | 2019-11-05 | 2022-02-15 | 徐州徐工矿业机械有限公司 | Hydraulic system and method for realizing sequential action of engineering vehicle mechanism and engineering vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111677700B (en) | Turnover elevator hydraulic system based on load port independent control | |
| CN103643709B (en) | Hydraulic excavator for mine swing arm hydraulic control system | |
| CN105545853B (en) | Extension and contraction control valve, multi-stage expansion hydraulic system and arm of derrick stretch hydraulic control system | |
| CN103410803B (en) | Hydraulic control reversing valve, linkage control hydraulic system and hydraulic control system of excavator | |
| CN202707661U (en) | Pilot buffer valve, buffer damping hydraulic control loop and engineering mechanical equipment | |
| CN205895730U (en) | Oil drilling equipment , elevator and hydraulic system thereof | |
| CN107250563A (en) | Flow control valve for building machinery | |
| CN107059983A (en) | Minus flow imports and exports independent composite control hydraulic system | |
| CN104328812A (en) | Hydraulic system for realizing flat pushing function of forward excavator | |
| CN108591156A (en) | A kind of oil passage change-over valve | |
| CN203188273U (en) | Excavator hydraulic control system and hydraulic excavator | |
| CN206035928U (en) | Oil drilling equipment , elevator and hydraulic system thereof | |
| CN204403021U (en) | A kind of high integrated Double-directional back rotary valve for pilot control pattern | |
| CN102659049B (en) | Dual-winch hydraulic control system and engineering machine | |
| CN108679029A (en) | A kind of ram control valve | |
| CN206071977U (en) | Deep-outiet radial gate Hydraulic Hoist System | |
| CN105156397B (en) | There is the hydraulic valve circuit of sequential control | |
| CN2878758Y (en) | Integrated multi-change valve for loader | |
| CN108799226A (en) | A kind of plug-in overturning control valve | |
| CN206071983U (en) | A kind of synchronous lift case control structure of flask separator | |
| CN103883577B (en) | Mini-excavator banked direction control valves | |
| CN206035933U (en) | Hydraulic system | |
| CN108661973A (en) | A kind of automatic turning control valve | |
| CN108083117B (en) | A kind of twin-tub rope telescopic system and crane for realizing the synchronous recycling of boom | |
| CN207161016U (en) | A kind of Power Tong automatically-controlled door closing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |