CN115637949B - Sleeve type residual liquid collecting device - Google Patents
Sleeve type residual liquid collecting device Download PDFInfo
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- CN115637949B CN115637949B CN202211620909.8A CN202211620909A CN115637949B CN 115637949 B CN115637949 B CN 115637949B CN 202211620909 A CN202211620909 A CN 202211620909A CN 115637949 B CN115637949 B CN 115637949B
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- 238000001514 detection method Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 89
- 239000010779 crude oil Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003129 oil well Substances 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005465 channeling Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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Abstract
The invention discloses a sleeve type residual liquid collecting device which is used for collecting residual liquid in an oil pipe in pressurized operation equipment and comprises a base, a movable seat, a driving oil cylinder, a lifting device, a multi-stage sleeve assembly and a residual liquid collecting barrel; the multistage sleeve assembly is arranged between the movable seat and the base, and the end parts of the multistage sleeve assembly are fixedly connected with the movable seat and the base respectively; at least one group of lifting devices are arranged on the side of the multistage sleeve assembly, and the upper part and the lower part of the lifting devices are respectively fixedly connected with a base and a movable seat; the driving shaft of the driving oil cylinder is connected with the lifting device, and the lifting device is driven to lift by the driving oil cylinder, so that the height of the multistage sleeve assembly is controlled; the anti-splashing device solves the problems that an existing residual liquid collecting device is poor in anti-splashing effect and inconvenient to use, avoids the phenomenon that residual liquid is splashed around a wellhead to pollute the operation environment, can collect residual liquid such as greasy dirt and crude oil, improves the field working environment in the operation process of the oil well under pressure, and avoids environmental pollution.
Description
Technical Field
The invention relates to the technical field of oil field under-pressure well workover operation, in particular to a sleeve type residual liquid collecting device.
Background
In the oil field under pressure workover operation process, after the oil pipe is pulled out to the tong shackle completion, the liquid such as crude oil that has in last oil pipe can be followed the junction spill of two oil pipes, and the difficult greasy dirt that will avoid is sputtered on the workman, has not only polluted the well head, still is harmful to people's health, more has the potential safety hazard, consequently need set up raffinate collector to oil pipe hookup location. At present, part of the wellhead can be provided with a splash guard in workover, and the traditional splash guard mounting structure is generally divided into two types, namely a funnel type waste liquid collector which is generally mounted at the lower ends of two sides of the wellhead and comprises a water pipe connecting sleeve and a waste liquid collecting tank. When the shackle is completed, the oil pipe is lifted and pushed to the funnel, so that the liquid such as crude oil stored in the oil pipe flows into the funnel and flows into the waste liquid collecting tank through the water pipe. The device has low efficiency and poor splash-proof effect. The other is an encircling type oil pipe lifting splash guard which is generally arranged on a self-made mounting frame on the opposite side of a wellhead, and is pushed to the wellhead position after being tripped, the splash guard encircles the upper oil pipe and the lower oil pipe and then lifts the oil pipe away, but the device is complex in installation, poor in sealing performance and excessively complex in operation. Therefore, it is needed to design a collecting device which is convenient to use and has an outstanding splash-proof effect so as to meet the recovery of liquids such as crude oil in the pressurized workover operation process.
Therefore, the above-mentioned existing residual liquid collecting device has certain drawbacks in terms of splash-proof effect and use efficiency, and further improvement is needed.
Disclosure of Invention
The invention aims to solve the technical problems of poor splash-proof effect and inconvenient use of the traditional residual liquid collecting device, thereby overcoming the defects of the prior art.
In order to solve the technical problems, the invention provides a sleeve type residual liquid collecting device for collecting residual liquid in an oil pipe in pressurized operation equipment, which comprises a base, a movable seat, a driving oil cylinder, a lifting device, a multi-stage sleeve assembly and a residual liquid collecting barrel;
The multi-stage sleeve assembly is arranged between the movable seat and the base, the upper end of the multi-stage sleeve assembly is fixedly connected with the lower surface of the movable seat, and the lower end of the multi-stage sleeve assembly is fixedly connected with the upper surface of the base; at least one group of lifting devices are arranged on the side of the multistage sleeve assembly, the lower parts of the lifting devices are fixedly connected to the upper surface of the base, and the upper parts of the lifting devices are fixedly connected to the lower surface of the movable seat; the driving oil cylinder is fixed on the base, a driving shaft of the driving oil cylinder is connected with the lifting device, and the lifting device is driven to lift by the driving oil cylinder, so that the height of the multistage sleeve assembly is controlled.
As a further improvement of the invention, the lifting device comprises two groups of scissor fork mechanisms which are symmetrically arranged, each group of scissor fork mechanisms comprises a plurality of cross connecting rod assemblies which are vertically connected in sequence, each cross connecting rod assembly comprises two cross connecting rods with equal length, the middle positions of the two cross connecting rods in the same cross connecting rod assembly are mutually hinged, the end part of each cross connecting rod is hinged with the end part of the cross connecting rod in the adjacent cross connecting rod assembly, wherein the lower end part of each cross connecting rod in the cross connecting rod assembly positioned at the lowest end is respectively hinged with one end of a first connecting rod, and the other end of the first connecting rod is hinged with the upper surface of the base; the upper end part of each cross connecting rod in the uppermost cross connecting rod assembly is respectively hinged with one end of a second connecting rod, and the other end of the second connecting rod is hinged with the lower surface of the movable seat.
As an improvement of the invention, the hinged positions of the two cross connecting rods in the cross connecting rod assembly at the lowest end are connected with the end parts of the driving shaft of the driving oil cylinder, the hinged positions of the two cross connecting rods at the lowest end are driven to vertically ascend or descend through the telescopic action of the driving oil cylinder, the end parts of the two cross connecting rods at the lowest end are driven to move relatively or reversely, the end parts of the adjacent cross connecting rods are sequentially driven to move relatively or reversely, and the telescopic stroke of the driving oil cylinder is amplified through a plurality of cross connecting rod assemblies, so that the movable seat is driven to ascend or descend.
As a further improvement of the invention, the hinge joint position of the two cross connecting rods in the uppermost cross connecting rod assembly is provided with a guide wheel, the lower surface of the movable seat is provided with a guide installation block with a strip-shaped guide groove, the guide wheel is in rolling connection along the length direction of the strip-shaped guide groove, and the guide wheel is matched with the strip-shaped guide groove, so that the lifting device is kept vertically stable in the lifting process.
As an improvement of the invention, the upper surface of the base is provided with a sensor mounting plate, the sensor mounting plate is vertically provided with a first sensor positioned at a low position and a second sensor positioned at a high position, and the lifting action of the lifting device is controlled by the first sensor and the second sensor; the hinge positions of the two cross connecting rods in the lowest cross connecting rod assembly in the lifting device are provided with detection pins, the detection pins are moved to detection positions of the first sensor or the second sensor, and the first sensor or the second sensor correspondingly outputs control signals to control the start and stop of the telescopic action of the driving oil cylinder.
As a further improvement of the invention, the multistage sleeve assembly comprises a plurality of sleeve members which are nested in sequence from inside to outside, the upper part of the sleeve member positioned at the innermost layer is fixedly connected with the lower surface of the movable seat, and the lower part of the sleeve member positioned at the outermost layer is fixedly connected with the upper surface of the base.
As a further improvement of the invention, the upper end edge of the outer side of the sleeve member is provided with an upper limit boss extending towards one side of the center, the lower end edge of the outer side of the sleeve member is provided with a lower limit boss extending away from one side of the center, the outer surface of the sleeve member is provided with a circle of steel wire retainer ring at a position close to the upper limit boss, and the steel wire retainer ring is used for supporting sleeve members of all stages when the sleeve assembly is contracted; when the sleeve assembly is lifted, the upper limit boss of each sleeve piece is contacted with the lower limit boss of the sleeve piece corresponding to the inner layer, so that the adjacent sleeve pieces are prevented from falling off, and when the sleeve assembly is contracted, the upper limit boss of each sleeve piece is contacted with the steel wire check ring of the sleeve piece corresponding to the inner layer, so that the sleeve piece of the inner layer is supported, and the sleeve piece is prevented from falling off.
As a further improvement of the invention, a pressing plate is arranged at the fixed position of the lower part of the sleeve piece positioned at the outermost layer and the upper surface of the base, the pressing plate is fixed on the upper surface of the base, and the lower limit boss of the sleeve piece positioned at the outermost layer is pressed by the pressing plate, so that the sleeve piece is fixedly connected with the base.
As a further improvement of the invention, an annular sealing ring is arranged between the adjacent nested sleeve members, and the annular sealing ring is arranged on the outer side wall of the inner sleeve member or the inner side wall of the outer sleeve member.
As a further improvement of the invention, the residual liquid collecting barrel comprises an annular barrel body and a liquid guide pipeline, wherein the annular barrel body is arranged at the lower position of the base, a through hole for accommodating an oil pipe is formed in the middle of the annular barrel body, an oil pipe encircling device for righting the oil pipe is arranged in the through hole, one end of the liquid guide pipeline is communicated to the side wall of the annular barrel body, and the liquid guide pipeline is communicated with the through hole.
With such a design, the invention has at least the following advantages:
(1) The sleeve type residual liquid collecting device is provided with a multistage sleeve structure, the sleeve parts which are connected in a nested manner are driven to be lifted by the driving oil cylinders, so that the sleeve parts wrap the oil pipe connecting positions, when the joints of the oil pipe connecting positions are disconnected, residual liquid such as crude oil and greasy dirt in the pipe can be sputtered to the inner wall of the sleeve parts, then the residual liquid flows downwards along the inner wall of the sleeve parts, flows into the residual liquid collecting barrel below through the oil pipe slips by the sleeve and is collected through the liquid guide pipe in the residual liquid collecting pipe.
(2) In the lifting process of the sleeve type residual liquid collecting device, the guide wheel slides in the strip-shaped guide groove, so that the sleeve type residual liquid collecting device can stably lift in the lifting process, the clamping stagnation phenomenon during lifting can be avoided, and the stability and the reliability of the device are higher.
(3) The lifting device is arranged at the side of the multistage sleeve component in the sleeve type residual liquid collecting device, and the lifting device adopts a scissor structure formed by a plurality of cross connecting rods, and the scissor structure amplifies the lifting stroke of the driving oil cylinder, so that the base and the movable base which are connected up and down by the lifting device are rapidly displaced, further the nested sleeve piece is rapidly stretched, and the working efficiency of the device is improved.
Drawings
The foregoing is merely an overview of the present invention, and the present invention is further described in detail below with reference to the accompanying drawings and detailed description.
FIG. 1 is a schematic diagram of a sleeve type raffinate collecting device in the invention.
FIG. 2 is a schematic side view of a main body of a residual liquid collecting device according to the present invention.
FIG. 3 is a schematic view showing a forward structure of a main body of a residual liquid collecting apparatus according to the present invention.
Fig. 4 is an enlarged schematic view of the position a in fig. 3.
Fig. 5 is an enlarged schematic view of the position B in fig. 3.
FIG. 6 is a schematic view showing an extended state of a body of the residual liquid collecting apparatus provided with two sets of scissor fork mechanisms in the present invention.
FIG. 7 is a view showing the construction of the inside of the residual liquid collecting tank according to the present invention.
FIG. 8 is a schematic view showing a contracted state of a body of a residual liquid collecting apparatus provided with a pair of scissor fork mechanisms in the present invention.
FIG. 9 is a schematic view showing an extended state of a body of a residual liquid collecting apparatus provided with a pair of scissor fork mechanisms according to the present invention.
FIG. 10 is a schematic view of the installation of the sleeve type residual liquid collecting device of the present invention on a pressurized working device.
The reference numerals in the drawings specifically are:
The device comprises a 1-driving oil cylinder, a 2-base, a 3-lifting device, a 31-first connecting rod, a 32-second connecting rod, a 33-cross connecting rod, a 4-moving seat, a 51-first sensor, a 52-second sensor, a 6-detection pin shaft, a 7-steel wire retainer ring, an 8-sleeve piece, an 81-upper limit boss, an 82-lower limit boss, a 9-pressing plate, a 10-guide wheel, an 11-guide installation block, a 12-residual liquid collecting barrel, a 13-liquid guide pipeline, a 14-oil pipe encircling device, a 15-residual liquid collecting device main body, a 16-oil pipe, 17-traveling slips and 18-fixed slips.
Detailed Description
Examples of embodiments of the invention are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout, or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of the two parts. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention.
Example 1:
Referring to fig. 1-10, in embodiment 1, a sleeve type residual liquid collecting device is specifically disclosed for collecting residual liquid in an oil pipe 16 of a pressurized operation device, and the device comprises a base 2, a movable seat 4, a driving oil cylinder 1, a lifting device 3, a multi-stage sleeve assembly and a residual liquid collecting barrel 12. The base 2, the movable base 4, the driving oil cylinder 1, the lifting device 3 and the multi-stage sleeve component form a residual liquid collecting device main body 15, residual liquid sputtering is blocked by the residual liquid collecting device main body 15, residual liquids such as oil stains, crude oil and the like are collected, and finally collected and led out through a residual liquid collecting barrel 12.
Specifically, in this embodiment, the base 2 is installed above a slip device of the pressurized working device connected to the surface of the oil pipe 16, and as shown in fig. 10, the slip device of the pressurized working device in this embodiment includes two types of traveling slips 17 and fixed slips 18, where the fixed slips 18 are mainly used to block the oil pipe 16 so as to prevent the oil pipe 16 from channeling upwards; the traveling slips 17 are mainly used for clamping the oil pipe 16 when the pressure in the well is greater than the weight of the inner pipe column of the well on the oil pipe 16, and lifting or descending along with the lifting oil cylinder to lift or press the oil pipe 16, preferably, the residual liquid collecting device main body 15 is arranged above the traveling slips 17, and the residual liquid collecting barrel 12 is arranged on the fixed slips 18, however, it should be noted that the residual liquid collecting barrel 12 is not limited to and arranged at the above position, and the installation position of the residual liquid collecting barrel 12 can be adjusted according to the actual use requirement.
Referring to fig. 1, the movable seat 4 is disposed above the base 2, the multi-stage sleeve assembly is disposed between the movable seat 4 and the base 2, and the upper end of the multi-stage sleeve assembly is fixedly connected with the lower surface of the movable seat 4, and the lower end of the multi-stage sleeve assembly is fixedly connected with the upper surface of the base 2; at least one group of lifting devices 3 are arranged on the side of the multistage sleeve assembly, in the embodiment, two groups of lifting devices 3 are preferably adopted, the lower parts of the lifting devices 3 are fixedly connected to the upper surface of the base 2, and the upper parts of the lifting devices 3 are fixedly connected to the lower surface of the movable base 4; the driving oil cylinder 1 is fixed on the base 2, and the driving shaft of the driving oil cylinder 1 is connected with the lifting device 3, when the device works, the lifting device 3 can be driven to lift through the driving oil cylinder 1, the movable seat 4 can move away from the base 2 in the lifting process of the lifting device 3, and then the multistage sleeve component between the movable seat 4 and the base 2 is driven to stretch out, so that the multistage sleeve component covers the connecting position of the oil pipe 16, when the oil pipe 16 is disconnected, residual liquid is sputtered to the inner wall of the multistage sleeve component, the outer side of the device cannot overflow, the working environment is further prevented from being polluted by the residual liquid, when the device does not work, the driving oil cylinder 1 can retract and drive the lifting device 3 to descend, the movable seat 4 can move relative to the base 2, and then the multistage sleeve component between the movable seat 4 and the base 2 is driven to shrink, and the disassembly and the movement can be facilitated. In the embodiment, the telescopic stroke of the driving oil cylinder 1 is used for controlling the telescopic height of the multistage sleeve assembly.
Further, in this embodiment, the lifting device 3 adopts a scissor fork mechanism, which can implement rapid telescopic motion of the multi-stage sleeve assembly, and in this embodiment, the lifting device 3 includes two groups of scissor fork mechanisms symmetrically arranged, as shown in fig. 3 and 6, each group of scissor fork mechanisms includes a plurality of cross connecting rod assemblies sequentially connected vertically, each cross connecting rod assembly includes two cross connecting rods 33 with equal length, the middle positions of the two cross connecting rods 33 in the same cross connecting rod assembly are hinged to each other, the end of each cross connecting rod 33 is hinged to the end of the cross connecting rod 33 in the adjacent cross connecting rod assembly, wherein the lower end of each cross connecting rod 33 in the cross connecting rod assembly located at the lowest end is hinged to one end of a first connecting rod 31, and the other end of the first connecting rod 31 is hinged to the upper surface of the base 2; the upper end of each cross link 33 in the uppermost cross link assembly is hinged to one end of one second link 32, and the other end of the second link 32 is hinged to the lower surface of the movable seat 4.
It should be noted that, in this embodiment, the number of the scissor fork mechanisms is not limited to two, and only one set of scissor fork mechanisms can be used to implement the quick telescopic action on the sleeve assembly, as shown in fig. 8 and 9, the lifting device 3 includes one set of scissor fork mechanisms, and the scissor fork mechanisms are located at the sides of the sleeve assembly, otherwise, the other structures supported by the scissor fork mechanisms are substantially the same as those supported by the symmetrically arranged scissor fork mechanisms. In this embodiment, the functions realized by the single-set scissor fork mechanism and the two-set scissor fork mechanism are the same, and the difference is that the lifting stability and the supporting force of the single-set scissor fork mechanism are different, and the lifting stability and the supporting force of the single-set scissor fork mechanism are lower than those of the two-set scissor fork mechanism. In actual use, the selection can be made according to the field environment. .
The hinged positions of the two cross connecting rods 33 in the cross connecting rod assembly at the lowest end are connected with the end parts of the driving shaft of the driving oil cylinder 1, the hinged positions of the two cross connecting rods 33 at the lowest end are driven to vertically ascend or descend through the telescopic action of the driving oil cylinder 1, the end parts of the two cross connecting rods 33 at the lowest end are driven to move relatively or reversely, the end parts of the adjacent cross connecting rods 33 are sequentially driven to move relatively or reversely, the telescopic stroke of the driving oil cylinder 1 is amplified through a plurality of cross connecting rod assemblies, and the movable seat 4 is driven to ascend or descend.
In order to ensure stable operation in the lifting process of the lifting device 3, a guide wheel 10 is arranged at the hinge position of two cross connecting rods 33 in the uppermost cross connecting rod assembly in the lifting device 3, a guide mounting block 11 with a strip-shaped guide groove is arranged on the lower surface of the movable seat 4, the length direction of the strip-shaped guide groove is consistent with the displacement direction of the lifting device 3, the guide wheel 10 is in rolling connection along the length direction of the strip-shaped guide groove, and the guide wheel 10 is matched with the strip-shaped guide groove to ensure that the lifting device 3 is vertically stable in the lifting process.
In addition, in this embodiment, a sensor mounting plate is disposed on the upper surface of the base 2, and the sensor mounting plate is vertically provided with a first sensor 51 located at a low position and a second sensor 52 located at a high position, and the lifting motion of the lifting device 3 is controlled by the first sensor 51 and the second sensor 52; the hinge positions of the two cross connecting rods 33 in the lowest cross connecting rod assembly in the lifting device 3 are provided with detection pin shafts 6, and the detection pin shafts 6 are moved to the detection positions of the first sensor 51 or the second sensor 52, so that the first sensor 51 or the second sensor 52 correspondingly outputs control signals to control the start and stop of the telescopic action of the driving oil cylinder 1. Specifically, during the lifting process of the lifting device 3, the driving oil cylinder 1 continuously extends to drive the lifting device 3 to lift, the detection pin shaft 6 connected with the hinged position of the cross connecting rod 33 is displaced upwards, when the lifting device 3 is lifted to the limit position, the detection pin shaft 6 is just positioned at the position of the second sensor 52, and the second sensor 52 receives the position signal of the detection pin shaft 6 and sends a stop control signal to the driving oil cylinder 1, so that the driving oil cylinder 1 cannot extend continuously; when the lifting device 3 descends, the detection pin shaft 6 descends together therewith, and when the detection pin shaft 6 descends to the position of the first sensor 51, the lifting device 3 also descends to the lower limit position, and at the moment, the first sensor 51 detects the position signal of the detection pin shaft 6 and sends out a stop control signal, so that the driving oil cylinder 1 does not shrink any more. Therefore, in this embodiment, the first sensor 51 and the second sensor 52 are equivalent to a travel switch for controlling the lifting device 3 to lift, so as to realize the function of controlling the lifting device 3 to start and stop, which avoids damage to other structures caused by excessive displacement of the lifting device 3.
In more detail, in this embodiment, the multi-stage sleeve assembly includes a plurality of sleeve members 8 nested in sequence from inside to outside, and the upper portion of the sleeve member 8 located at the innermost layer is fixedly connected with the lower surface of the movable seat 4, and the lower portion of the sleeve member 8 located at the outermost layer is fixedly connected with the upper surface of the base 2. In order to avoid the disconnection of the adjacent sleeve members 8 when the sleeve members 8 are telescopic, the upper end edge of the outer side of the sleeve member 8 is provided with an upper limit boss 81 extending towards one side of the center, the lower end edge of the outer side of the sleeve member 8 is provided with a lower limit boss 82 extending away from one side of the center, the outer surface of the sleeve member 8 is provided with a circle of steel wire check ring 7 at a position close to the upper limit boss 81, and the steel wire check ring 7 is used for supporting sleeve members of all stages when the sleeve assembly is telescopic, as shown in figures 3-5; when the sleeve assembly is lifted, the upper limit boss 81 of each sleeve member 8 is in contact with the lower limit boss 82 of the sleeve member of the corresponding inner layer so as to prevent the adjacent sleeve members from falling off, and when the sleeve assembly is contracted, the upper limit boss 81 of each sleeve member 8 is in contact with the steel wire retainer ring 7 of the sleeve member 8 of the corresponding inner layer so as to support the sleeve member of the inner layer and prevent the sleeve members from falling off. And in order to avoid that residual liquid seeps out from the gaps between adjacent sleeve members 8, an annular sealing ring is arranged between the sleeve members 8 nested adjacently in the embodiment, and the annular sealing ring is arranged on the outer side wall of the inner sleeve member 8 or the inner side wall of the outer sleeve member 8.
It should be noted that, in this embodiment, a pressing plate 9 is disposed at a fixed position between the lower portion of the sleeve member 8 located at the outermost layer and the upper surface of the base 2, and the pressing plate 9 is fixed on the upper surface of the base 2, and presses the lower limit boss 82 of the sleeve member 8 through the pressing plate 9.
Further, as shown in fig. 7, in this embodiment, the residual liquid collecting barrel 12 includes an annular barrel body and a liquid guiding pipe 13, the upper end of the annular barrel body is fixedly connected with the lower end face of the oil pipe 16 slip, and a through hole for accommodating the oil pipe 16 is formed in the middle of the annular barrel body, one end of the liquid guiding pipe 13 is communicated to the side wall of the annular barrel body, and the liquid guiding pipe 13 is communicated with the through hole. When the connector of the connecting position of the oil pipe 16 is disconnected, residual liquid such as crude oil and oil stain in the pipe can splash to the inner wall of the sleeve member 8, then the residual liquid flows downwards along the inner wall of the sleeve member 8, flows into the residual liquid collecting barrel 12 below through the slips of the oil pipe 16 by the sleeve member 8 and is collected through the liquid guide pipeline 13 in the residual liquid collecting barrel.
It should be noted that, in this embodiment, the annular barrel is further provided with an oil pipe encircling device 14, and the oil pipe encircling device 14 only encircles and supports the oil pipe 16, but does not clamp the oil pipe 16, the oil pipe 16 can still slide up and down freely therein, and the oil pipe encircling device 14 is mainly used for righting the oil pipe 16 and removing residual liquid on the outer surface of the oil pipe 16 during the rising process of the oil pipe 16.
The specific use process of the sleeve type residual liquid collecting device in the embodiment is as follows:
Firstly, a main body 15 of a residual liquid collecting device in a sleeve type residual liquid collecting device is fixed on a traveling slip 17, in the embodiment, a through hole is formed in a base 2, the base 2 and the traveling slip 17 are fixed by bolts, a driving oil cylinder 1 is a power source of the device, a residual liquid collecting barrel 12 is always fixed at the lower end of the fixed slip 18 in the process of operation under pressure, an oil pipe 16 penetrates through a through hole in the middle of the residual liquid collecting barrel 12, and a gap for liquid circulation is formed between the through hole and the oil pipe 16.
When the shackle is completed in the pressurized operation, before the oil pipe 16 is pulled up, the driving oil cylinder 1 can push the lifting device 3 to ascend, so that the multistage sleeve assembly gradually covers the connection position of the oil pipe 16, when the second sensor 52 at the upper end of the sensor mounting plate detects the detection pin shaft 6, the driving oil cylinder 1 stops moving, and at the moment, the multistage sleeve assembly is in an extending state and completely wraps the connection position of the upper oil pipe 16 and the lower oil pipe 16.
At this time, the oil pipe 16 located at the upper part is pulled up, residual liquid such as crude oil and oil stain in the oil pipe 16 will splash around the inner wall of the multi-stage sleeve assembly, and the residual liquid such as crude oil and oil stain will flow into the residual liquid collecting barrel 12 below along the inner wall of the multi-stage sleeve assembly, part of the residual liquid can flow into the operation oil well, and the other part is collected through the liquid guide pipeline 13, so that the residual liquid is prevented from splashing around the wellhead, and the pollution to the operation environment is avoided.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, and some simple modifications, equivalent variations or modifications can be made by those skilled in the art using the teachings disclosed herein, which fall within the scope of the present invention.
Claims (9)
1. The sleeve type residual liquid collecting device is used for collecting residual liquid in an oil pipe in pressurized operation equipment and is characterized by comprising a base, a movable seat, a driving oil cylinder, a lifting device, a multi-stage sleeve assembly and a residual liquid collecting barrel;
The multi-stage sleeve assembly is arranged between the movable seat and the base, the upper end of the multi-stage sleeve assembly is fixedly connected with the lower surface of the movable seat, and the lower end of the multi-stage sleeve assembly is fixedly connected with the upper surface of the base; at least one group of lifting devices are arranged on the side of the multistage sleeve assembly, the lower parts of the lifting devices are fixedly connected to the upper surface of the base, and the upper parts of the lifting devices are fixedly connected to the lower surface of the movable seat; the driving oil cylinder is fixed on the base, a driving shaft of the driving oil cylinder is connected with the lifting device, and the lifting device is driven to lift by the driving oil cylinder, so that the height of the multistage sleeve assembly is controlled;
The residual liquid collecting barrel comprises an annular barrel body and a liquid guide pipeline, the annular barrel body is arranged below the base, a through hole for accommodating an oil pipe is formed in the middle of the annular barrel body, and a gap for liquid circulation is formed between the through hole and the oil pipe; the device is characterized in that an oil pipe encircling device for righting the oil pipe and removing residual liquid on the outer surface of the oil pipe in the ascending process of the oil pipe is arranged in the through hole, one end of the liquid guide pipeline is communicated to the side wall of the annular barrel body, and the liquid guide pipeline is communicated with the through hole.
2. The sleeve-type residual liquid collecting device according to claim 1, wherein the lifting device comprises two groups of scissor fork mechanisms which are symmetrically arranged, each group of scissor fork mechanisms comprises a plurality of cross connecting rod assemblies which are vertically connected in sequence, each cross connecting rod assembly comprises two cross connecting rods with equal length, the middle positions of the two cross connecting rods in the same cross connecting rod assembly are mutually hinged, the end part of each cross connecting rod is hinged with the end part of the cross connecting rod in the adjacent cross connecting rod assembly, wherein the lower end part of each cross connecting rod in the cross connecting rod assembly positioned at the lowest end is respectively hinged with one end of a first connecting rod, and the other end of the first connecting rod is hinged with the upper surface of the base; the upper end part of each cross connecting rod in the uppermost cross connecting rod assembly is respectively hinged with one end of a second connecting rod, and the other end of the second connecting rod is hinged with the lower surface of the movable seat.
3. The sleeve-type residual liquid collecting device according to claim 2, wherein the hinged positions of the two cross connecting rods in the cross connecting rod assembly at the lowest end are connected with the end parts of the driving shafts of the driving cylinders, the hinged positions of the two cross connecting rods at the lowest end are driven to vertically ascend or descend through the telescopic action of the driving cylinders, the end parts of the two cross connecting rods at the lowest end are driven to move relatively or reversely, the end parts of the adjacent cross connecting rods are sequentially driven to move relatively or reversely, the telescopic stroke of the driving cylinders is amplified through the cross connecting rod assemblies, and the movable seat is driven to ascend or descend.
4. The sleeve type residual liquid collecting device according to claim 2, wherein guide wheels are arranged at the hinging positions of the two crossed connecting rods in the uppermost crossed connecting rod assembly, guide mounting blocks with strip-shaped guide grooves are arranged on the lower surface of the movable seat, the guide wheels are in rolling connection along the length direction of the strip-shaped guide grooves, and the guide wheels are matched with the strip-shaped guide grooves to enable the lifting device to keep vertical stability in the lifting process.
5. The sleeve type residual liquid collecting device according to claim 2, wherein a sensor mounting plate is arranged on the upper surface of the base, a first sensor positioned at a low position and a second sensor positioned at a high position are vertically arranged on the sensor mounting plate, and lifting actions of the lifting device are controlled through the first sensor and the second sensor; the hinge positions of the two cross connecting rods in the lowest cross connecting rod assembly in the lifting device are provided with detection pins, the detection pins are moved to detection positions of the first sensor or the second sensor, and the first sensor or the second sensor correspondingly outputs control signals to control the start and stop of the telescopic action of the driving oil cylinder.
6. The sleeve-type raffinate collecting device as claimed in claim 1, wherein the multistage sleeve assembly comprises a plurality of sleeve members which are nested in sequence from inside to outside, the upper part of the sleeve member positioned at the innermost layer is fixedly connected with the lower surface of the movable seat, and the lower part of the sleeve member positioned at the outermost layer is fixedly connected with the upper surface of the base.
7. The sleeve-type residual liquid collecting device according to claim 6, wherein an upper limit boss extending towards one side of the center is arranged at the upper end edge of the outer side of the sleeve member, a lower limit boss extending away from one side of the center is arranged at the lower end edge of the outer side of the sleeve member, a circle of steel wire check rings are arranged on the outer surface of the sleeve member at positions close to the upper limit boss, and the steel wire check rings are used for supporting sleeve members of all stages when the sleeve assembly is contracted; when the sleeve assembly is lifted, the upper limit boss of each sleeve piece is contacted with the lower limit boss of the sleeve piece corresponding to the inner layer, so that the adjacent sleeve pieces are prevented from falling off, and when the sleeve assembly is contracted, the upper limit boss of each sleeve piece is contacted with the steel wire check ring of the sleeve piece corresponding to the inner layer, so that the sleeve piece of the inner layer is supported, and the sleeve piece is prevented from falling off.
8. The sleeve-type residual liquid collecting device according to claim 7, wherein a pressing plate is arranged at a fixed position between the lower part of the sleeve piece at the outermost layer and the upper surface of the base, the pressing plate is fixed on the upper surface of the base, and the lower limit boss of the sleeve piece at the outermost layer is pressed by the pressing plate, so that the sleeve piece is fixedly connected with the base.
9. The sleeve-type raffinate collection apparatus claimed in claim 6, wherein an annular sealing ring is provided between the adjacent nested sleeve members, the annular sealing ring being provided on the outer side wall of the inner sleeve member or the inner side wall of the outer sleeve member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211620909.8A CN115637949B (en) | 2022-12-16 | 2022-12-16 | Sleeve type residual liquid collecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211620909.8A CN115637949B (en) | 2022-12-16 | 2022-12-16 | Sleeve type residual liquid collecting device |
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| CN115637949A CN115637949A (en) | 2023-01-24 |
| CN115637949B true CN115637949B (en) | 2024-06-18 |
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| CN202211620909.8A Active CN115637949B (en) | 2022-12-16 | 2022-12-16 | Sleeve type residual liquid collecting device |
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| CN106285513B (en) * | 2016-10-10 | 2018-05-25 | 杨颖辉 | Workover rig with pressure intelligently removes guard system |
| CN106351601B (en) * | 2016-10-10 | 2018-11-13 | 杨颖辉 | Raffinate collection device |
| CN206600151U (en) * | 2016-10-10 | 2017-10-31 | 杨颖辉 | Workover rig with pressure intelligently removes guard system |
| CN214570523U (en) * | 2021-03-22 | 2021-11-02 | 江苏和润智能装备有限公司 | Positioning telescopic base |
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| CN217726527U (en) * | 2022-08-04 | 2022-11-04 | 吴金清 | A raffinate recovery unit for trying oil gas operation |
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| CN207658998U (en) * | 2017-09-29 | 2018-07-27 | 黑龙江农垦科技职业学院 | A kind of fork type elevator |
| CN212389281U (en) * | 2020-05-21 | 2021-01-22 | 廊坊景隆重工机械有限公司 | Operation machine with pressure |
| CN214660058U (en) * | 2020-12-11 | 2021-11-09 | 廊坊景隆重工机械有限公司 | Sleeve type splash guard |
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| CN115637949A (en) | 2023-01-24 |
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Address after: 065300 Langfang City, Hebei Province, Dachang Chao Bai River Industrial Area Applicant after: Hebei Jinglong Intelligent Equipment Co.,Ltd. Address before: 065300 Langfang City, Hebei Province, Dachang Chao Bai River Industrial Area Applicant before: LANGFANG JINGLONG HEAVY MACHINERY Co.,Ltd. |
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