CN208456942U - A kind of hydraulic workover unit weight load switching system - Google Patents
A kind of hydraulic workover unit weight load switching system Download PDFInfo
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- CN208456942U CN208456942U CN201820747989.6U CN201820747989U CN208456942U CN 208456942 U CN208456942 U CN 208456942U CN 201820747989 U CN201820747989 U CN 201820747989U CN 208456942 U CN208456942 U CN 208456942U
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- hydraulic
- control valve
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Abstract
The utility model discloses a kind of hydraulic workover unit weight load switching systems, the utility model includes the control assembly of two pairs of hydraulic cylinders and control all hydraulic oil cylinder, the control assembly includes three position four-way directional control valve, two pairs of hydraulic cylinders are in parallel on three position four-way directional control valve, and the first control valve is provided on two connect with three position four-way directional control valve the oil feed line of one pair of them hydraulic cylinder, and be parallel with the second control between two oil feed lines to oil cylinder.The utility model can transfer four double-act-ing hydraulic J-Horners when overloaded while carry out raising and lowering, can possess a biggish lifting and limit weight, while it is relatively slow to lift speed, also more safe at runtime；It can only transfer two double-act-ing hydraulic J-Horners raising and lowering simultaneously at light load, the passive raising and lowering of other two double-act-ing hydraulic J-Horner, and in the case where hydraulic pump power is certain, lifting speed is relatively fast, increases working efficiency.
Description
Technical field
The utility model relates to petroleum well servicing rig technical fields, and in particular to a kind of hydraulic workover unit weight load switching system
System.
Background technique
Hydraulic workover unit is a kind of equipment for realizing workover treatment using elevating ram, and there is universal answer in oil field at home
With.Existing equipment generallys use the promotion decentralization operation that four oil cylinders carry out oil pipe, and four oil cylinders work at the same time progress in the whole process
It is promoted, lower drain line.But hoisting system no matter the size of load recover the oil four oil cylinders simultaneously fuel feeding, hoisting system underload
There is waste Power Phenomenon when work.
Summary of the invention
Technical problem to be solved by the utility model is: providing a kind of hydraulic workover unit weight for adjusting elevating ram quantity
Load switching system.
To solve the above-mentioned problems, the utility model includes the control group of two pairs of hydraulic cylinders and control all hydraulic oil cylinder
Part, the control assembly include three position four-way directional control valve, and two pairs of hydraulic cylinders are in parallel in three position four-way directional control valve
On, and the first control is provided on two connect with three position four-way directional control valve the oil feed line of one pair of them hydraulic cylinder
Valve, and the second control valve is parallel between two oil feed lines to oil cylinder, it is close that the second control valve is located at the first control valve
The one end to oil cylinder；The T mouth of the three position four-way directional control valve and this to being provided with repairing pipeline, the benefit between oil cylinder
Oil pipe line parallel connection is on a wherein oil feed line and is located at the close hydraulic cylinder being connected to the oil feed line of the second control valve
One end, and third control valve is provided on repairing pipeline, the first control in the third control valve and the oil feed line
Valve is in parallel.
As optimization, each pair of hydraulic cylinder described in the utility model includes two diagonally positioned hydraulic cylinders,
It is in parallel between two hydraulic cylinders.
As optimization, check valve is additionally provided on repairing pipeline described in the utility model, the check valve is connected on
Third high-pressure ball valve is close to one end of the T mouth of three position four-way directional control valve.
As optimization, the P mouth of three position four-way directional control valve described in the utility model is connected with hydraulic pump.
As optimization, all hydraulic oil cylinder described in the utility model is double-act-ing hydraulic J-Horner, first control
Valve, the second control valve and third control valve processed are high-pressure ball valve.
The beneficial effects of the present invention are: the utility model can transfer four hydraulic cylinders when overloaded while risen
And decline, a biggish lifting can be possessed and limit weight, while it is relatively slow to lift speed, also more pacifies at runtime
Entirely；Can only transfer two hydraulic cylinders raising and lowering simultaneously at light load, other two hydraulic cylinder passively rise and under
Drop, and in the case where hydraulic pump power is certain, lifting speed is relatively fast, increases working efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model hydraulic workover unit；
Fig. 2 is the composition schematic diagram of the utility model.
Wherein: 1, double-act-ing hydraulic J-Horner C, 2, double-act-ing hydraulic J-Horner E, 3, double-act-ing hydraulic J-Horner D, 4, top fixes
Plate, 5, movable plate, 6, double-act-ing hydraulic J-Horner F, 7, bottom fixed board, the 8, second oil feed line, the 9, first oil feed line, 10,
Third high-pressure ball valve, 11, repairing pipeline, 12, check valve, the 13, first high-pressure ball valve, the 14, second high-pressure ball valve, 15, first is high
Pressure ball valve, 16, three position four-way directional control valve, 17, hydraulic pump.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit the range of claimed invention,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, without
It can be interpreted as indication or suggestion relative importance.
The structural schematic diagram of hydraulic workover unit as shown in Figure 1 mainly includes double-act-ing hydraulic J-Horner C1, double-action hydraulic
Oil cylinder D3, double-act-ing hydraulic J-Horner E2, double-act-ing hydraulic J-Horner F6, bottom fixed board 7, top tie plate 4 and movable plate 5, institute
The bottom fixed board 7 stated is connected to the bottom of the cylinder body of four double-act-ing hydraulic J-Horners, and top tie plate 4 is connected to four double croppings
With the top of the cylinder body of hydraulic cylinder, the movable plate 5 is connected to the top of the telescopic rod of four double-act-ing hydraulic J-Horners.It is logical
Cross the lifting of the flexible realization movable plate 5 of four double-act-ing hydraulic J-Horners.
Hydraulic workover unit weight load switching system as shown in Figure 2, including two pairs of double-act-ing hydraulic J-Horners and control institute
There is the control assembly of hydraulic cylinder, two pairs of double-act-ing hydraulic J-Horners include first pair of double-act-ing hydraulic J-Horner and second pair
Double-act-ing hydraulic J-Horner, first pair of double-act-ing hydraulic J-Horner includes double-act-ing hydraulic J-Horner C1 and double-act-ing hydraulic J-Horner
D3, double-act-ing hydraulic J-Horner C1 and double-act-ing hydraulic J-Horner D3 are diagonally positioned, and the two is in parallel setting；Described second pair
Double-act-ing hydraulic J-Horner includes double-act-ing hydraulic J-Horner E2 and double-act-ing hydraulic J-Horner F6, double-act-ing hydraulic J-Horner E2 and double acting
Hydraulic cylinder F6 is diagonally positioned, and the two is in parallel setting.The control assembly includes three position four-way directional control valve 16, described
Three position four-way directional control valve 16 on be provided with A mouthfuls, B mouthfuls, P mouthfuls and T mouthfuls, A mouthfuls and B mouthful are oil-feed port, and P mouthfuls are oil inlet, and T mouthfuls are
The rod chamber of oil return opening, first pair of double-act-ing hydraulic J-Horner and second pair of double-act-ing hydraulic J-Horner is homogeneously connected in parallel on A mouth, and first
The rodless cavity of double-act-ing hydraulic J-Horner and second pair of double-act-ing hydraulic J-Horner is homogeneously connected in parallel on B mouth, first pair of double acting liquid
The oil feed line that the rod chamber of compressing cylinder is connect with A mouthfuls is the first oil feed line 9, the rodless cavity of first pair of double-act-ing hydraulic J-Horner
The oil feed line connecting with B mouthfuls is the second oil feed line 8, is provided with the first high-pressure ball valve 15 on first oil feed line 9,
The first high-pressure ball valve 13 is provided on second oil feed line 8, between the first oil feed line 9 and the second oil feed line 8 simultaneously
It is associated with the second high-pressure ball valve 14, the second high-pressure ball valve 4 is located at the first high-pressure ball valve 13 close to one end of first pair of two-way cylinder；
Repairing pipeline 11, institute are provided between the T mouth and the rod chamber of first pair of two-way cylinder of the three position four-way directional control valve 16
It is located at the second high-pressure ball valve 14 at the repairing pipeline 11 stated is in parallel and in parallel with the first oil feed line 9 close to first pair of double acting oil
One end of cylinder is provided with third high-pressure ball valve 10 and check valve 12, the third high-pressure ball valve 10 and on repairing pipeline 11
The first high-pressure ball valve 15 on one oil feed line 9 is in parallel, and the check valve 12 is located at third high-pressure ball valve 10 close to three four
One end of the T mouth of logical reversal valve 16.The P mouth of the three position four-way directional control valve 16 is connect with hydraulic pump 17, is mentioned for whole system
For oil pressure.
In the present embodiment, high-pressure ball valve can also be substituted for reversal valve etc., and other realize the control of same or similar function
Valve.
Working principle: when overloaded, the second high-pressure ball valve 14 and third high-pressure ball valve 10 are adjusted to closed state, by two
A first high-pressure ball valve 13 is adjusted to open state, three position four-way directional control valve 16 is allocated to " liter " position, high pressure oil is delivered to through A mouthfuls
The rodless cavity of four double-act-ing hydraulic J-Horners lifts while realizing four double-act-ing hydraulic J-Horners, similarly changes 3-position 4-way
It is allocated to " drop " position to valve 16, is declined while realizing four double-act-ing hydraulic J-Horners；When at light load, by 14 He of the second high-pressure ball valve
Third high-pressure ball valve 10 is adjusted to open state, and two the first high-pressure ball valves 15 are adjusted to closed state, 3-position 4-way is changed
It is allocated to " liter " position to valve 16, high pressure oil is delivered in the rodless cavity of second pair of double-act-ing hydraulic J-Horner through A mouthfuls, realizes double acting liquid
Compressing cylinder E2 and double-act-ing hydraulic J-Horner F6 drives rising simultaneously, double-act-ing hydraulic J-Horner C1 and double-act-ing hydraulic J-Horner in addition
D3 passively rises, and the hydraulic oil in rod chamber flows into rodless cavity through the second high-pressure ball valve 14, due to the liquid in rod chamber
Pressure oil amount is relatively small, and rodless cavity can absorb from fuel tank by third high-pressure ball valve 10 a part of hydraulic during increase
Oil.In the case where 17 power of hydraulic pump at light load is certain, the lifting of double-act-ing hydraulic J-Horner E2 and double-act-ing hydraulic J-Horner F6
Speed, which increases back up, to be added, and is improved work efficiency.
Above-mentioned specific embodiment is only the specific case of the utility model, and the scope of patent protection of the utility model includes
But it is not limited to the product form and style of above-mentioned specific embodiment, it is any to meet the utility model claims book and any institute
Belong to the appropriate changes or modifications that the those of ordinary skill of technical field does it, should all fall into the patent protection of the utility model
Range.
Claims (5)
1. a kind of hydraulic workover unit weight load switching system, the control including two pairs of hydraulic cylinders and control all hydraulic oil cylinder
Component, it is characterised in that: the control assembly includes three position four-way directional control valve, and two pairs of hydraulic cylinders are in parallel three
On position and four-way reversing valve, and it is respectively provided on two connect with three position four-way directional control valve the oil feed line of one pair of them hydraulic cylinder
There is the first control valve, and be parallel with the second control between two oil feed lines to oil cylinder, the second control valve is located at the first control
Valve processed is close to the one end to oil cylinder；The T mouth of the three position four-way directional control valve and this to being provided with repairing pipeline between oil cylinder,
The repairing pipeline parallel connection is on a wherein oil feed line and is located at that the second control valve is close to be connected to the oil feed line
One end of hydraulic cylinder, and third control valve is provided on repairing pipeline, in the third control valve and the oil feed line
First control valve is in parallel.
2. hydraulic workover unit weight load switching system according to claim 1, it is characterised in that: described is each pair of hydraulic
Oil cylinder includes two diagonally positioned hydraulic cylinders, in parallel between two hydraulic cylinders.
3. hydraulic workover unit weight load switching system according to claim 1, it is characterised in that: the repairing pipeline
On be additionally provided with check valve, the check valve is connected on third high-pressure ball valve close to one end of the T mouth of three position four-way directional control valve.
4. hydraulic well workover weight load switching system according to claim 1, it is characterised in that: the 3-position 4-way changes
Hydraulic pump is connected with to the P mouth of valve.
5. the hydraulic workover unit weight load switching system according to any one of claim 2-4, it is characterised in that: institute
The all hydraulic oil cylinder stated is double-act-ing hydraulic J-Horner, and first control valve, the second control valve and third control valve are equal
For high-pressure ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820747989.6U CN208456942U (en) | 2018-05-19 | 2018-05-19 | A kind of hydraulic workover unit weight load switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820747989.6U CN208456942U (en) | 2018-05-19 | 2018-05-19 | A kind of hydraulic workover unit weight load switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208456942U true CN208456942U (en) | 2019-02-01 |
Family
ID=65148633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820747989.6U Expired - Fee Related CN208456942U (en) | 2018-05-19 | 2018-05-19 | A kind of hydraulic workover unit weight load switching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208456942U (en) |
-
2018
- 2018-05-19 CN CN201820747989.6U patent/CN208456942U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20190519 |