CN220302277U - Special mud pump for well drilling - Google Patents
Special mud pump for well drilling Download PDFInfo
- Publication number
- CN220302277U CN220302277U CN202321402804.5U CN202321402804U CN220302277U CN 220302277 U CN220302277 U CN 220302277U CN 202321402804 U CN202321402804 U CN 202321402804U CN 220302277 U CN220302277 U CN 220302277U
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- oil
- cylinder body
- connecting rod
- drive
- cylinder
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- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 239000002002 slurry Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 55
- 239000010687 lubricating oil Substances 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a special slurry pump for drilling, which comprises a middle fixing support, a driving sealing cylinder body and a liquid cooling device, wherein the middle fixing support is arranged at the top of the driving sealing cylinder body, a plurality of piston type compression cylinders are fixed at the outer side of the middle fixing support, a rotary driving connecting rod is arranged in the middle of the inside of the driving sealing cylinder body, the upper end of the rotary driving connecting rod is clamped at the bottom of the middle fixing support, a movable deflection disc is movably arranged in the middle of the rotary driving connecting rod, and the upper end of the movable deflection disc is connected with the piston type compression cylinders through the piston connecting rod. According to the special slurry pump for drilling, the liquid cooling device is added, so that the working temperature of the slurry pump is reduced, the friction and abrasion of the slurry pump are reduced, the service life of the slurry pump is prolonged, and the working efficiency of the slurry pump is improved. Meanwhile, the liquid cooling device is simple in design, easy to maintain and low in maintenance difficulty and cost.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling, in particular to a special mud pump for drilling.
Background
In the petroleum industry, drilling is a critical element, and a mud pump is a critical device for drilling. Conventional mud pumps typically employ a slider-crank structure to convert rotary motion into reciprocating motion to drive a piston for operation. However, the conventional conversion mechanism has many technical drawbacks such as large impact force, large inertia, large friction power consumption, poor air tightness, low running speed, and the like. These problems limit the application range of conventional mud pumps and cannot meet the requirements of modern new drilling processes.
A novel slurry pump for petroleum drilling is provided by chinese patent publication No. CN205744324U, but the slurry pump still has some drawbacks. The mechanical conversion mechanism of the slurry pump adopts the eccentric driving ball as the power for swinging the movable deflection disc, but the matching of the eccentric driving ball and the track clamping groove has the problems of abrasion and friction, which easily leads to the damage of the slurry pump and the reduction of the working efficiency. Therefore, the driving sealing cylinder body of the slurry pump is filled with lubricating oil, and the difficulty and the cost of maintenance are increased.
Therefore, the utility model provides a mud pump special for drilling.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the special mud pump for drilling, solves the problems of abrasion and friction in the prior art, and is easy to damage and reduce the working efficiency. Therefore, the driving sealing cylinder body of the slurry pump is filled with lubricating oil, and the problems of difficulty and cost of maintenance are increased.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a special slush pump of well drilling, includes middle fixed bolster, drive seal cylinder body and liquid cooling device, middle fixed bolster installs in the top of drive seal cylinder body, the outside of middle fixed bolster is fixed with a plurality of piston compression cylinders, is provided with the rotation drive connecting rod in the middle of the inside of drive seal cylinder body, the upper end joint of rotation drive connecting rod is in the bottom of middle fixed bolster, the centre activity of rotation drive connecting rod be provided with movable deflection dish, the upper end of movable deflection dish is connected with piston compression cylinder through the piston connecting rod, the lower extreme outside of movable deflection dish be provided with the track draw-in groove, the inside joint of track draw-in groove has eccentric drive ball, eccentric drive ball is fixed on the rotation drive connecting rod, the liquid cooling device set up in the inside lubricating oil of drive seal cylinder body to reduce the operating temperature of slush pump.
Preferably, the driving sealing cylinder body is internally filled with lubricating oil.
Preferably, the liquid cooling device comprises a cam and a connecting cylinder, the cam is sleeved on the rotary driving connecting rod, a push plate is arranged in the connecting cylinder in a sliding mode, the cam is used for pushing the push plate to slide in the connecting cylinder, a one-way valve is arranged in the connecting cylinder and used for limiting the flow direction of lubricating oil in the connecting cylinder, a reset spring is arranged in the connecting cylinder and located between the push plate and the one-way valve, and an oil port for passing through the lubricating oil is formed in the connecting cylinder.
Preferably, one side fixedly connected with oil sump of the sealed cylinder body of drive, the connecting cylinder is used for connecting sealed cylinder body of drive and oil sump, the bottom in oil sump runs through there is the fin, the one end of fin is located oil sump the other end and is located oil sump below, oil sump bottom is provided with the pivot, be provided with fin in the pivot.
Preferably, a transmission gear is arranged between the rotating shaft and the rotary driving connecting rod, the transmission gear is arranged at the bottom end of the driving sealing cylinder body, and the rotating shaft and the rotary driving connecting rod are transmitted through the transmission gear.
Preferably, an oil return pipe is communicated between the oil bin and the driving sealing cylinder body, an oil outlet port and an oil inlet port are arranged on the oil return pipe, and the oil outlet port is positioned between the oil inlet port and the oil bin.
Advantageous effects
The utility model provides a mud pump special for drilling. Compared with the prior art, the method has the following beneficial effects:
(1) According to the special slurry pump for drilling, the liquid cooling device is added, so that the working temperature of the slurry pump is reduced, the friction and abrasion of the slurry pump are reduced, the service life of the slurry pump is prolonged, and the working efficiency of the slurry pump is improved. Meanwhile, the liquid cooling device is simple in design, easy to maintain and low in maintenance difficulty and cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a cross-sectional view of the structure of the present utility model;
fig. 4 is a structural cross-sectional view of the connecting cylinder in the present utility model.
In the figure: 1-middle fixed support, 2-driving sealing cylinder body, 3-piston compression cylinder, 4-rotation driving connecting rod, 5-movable deflection disc, 6-track clamping groove, 7-eccentric driving ball, 8-cam, 9-connecting cylinder, 10-push plate, 11-check valve, 12-reset spring, 13-radiating fin, 14-rotating shaft, 15-radiating vane, 16-transmission gear, 17-oil return pipe, 18-oil outlet interface, 19-oil inlet interface, 20-oil port and 21-oil bin.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a special slush pump of well drilling, includes middle fixed bolster 1, drive sealed cylinder body 2 and liquid cooling device, middle fixed bolster 1 installs in the top of drive sealed cylinder body 2, the outside of middle fixed bolster 1 is fixed with a plurality of piston compression cylinder 3, is provided with rotatory drive connecting rod 4 in the middle of the inside of drive sealed cylinder body 2, the upper end joint of rotatory drive connecting rod 4 is in the bottom of middle fixed bolster 1, the middle activity of rotatory drive connecting rod 4 be provided with movable deflection dish 5, the upper end of movable deflection dish 5 is connected with piston compression cylinder 3 through the piston rod, the lower extreme outside of movable deflection dish 5 be provided with track draw-in groove 6, the inside joint of track draw-in groove 6 has eccentric drive ball 7, eccentric drive ball 7 is fixed on rotatory drive connecting rod 4, liquid cooling device set up in the inside lubricating oil of drive sealed cylinder body 2 to reduce the operating temperature of slush pump. The inside of the driving sealing cylinder body 2 is filled with lubricating oil. The liquid cooling device comprises a cam 8 and a connecting cylinder 9, wherein the cam 8 is sleeved on a rotary driving connecting rod 4, a push plate 10 is arranged in the connecting cylinder 9 in a sliding manner, the cam 8 is used for pushing the push plate 10 to slide in the connecting cylinder 9, a one-way valve 11 is arranged in the connecting cylinder 9, the one-way valve 11 is used for limiting the flow direction of lubricating oil in the connecting cylinder 9, a reset spring 12 is arranged in the connecting cylinder 9 and between the push plate 10 and the one-way valve 11, and an oil port 20 for passing through the lubricating oil is formed in the connecting cylinder 9. One side fixedly connected with oil storehouse 21 of sealed cylinder body 2 of drive, connecting cylinder 9 is used for connecting sealed cylinder body 2 of drive and oil storehouse 21, the bottom in oil storehouse 21 runs through has fin 13, the one end of fin 13 is located oil storehouse 21 the other end is located oil storehouse 21 below, oil storehouse 21 bottom is provided with pivot 14, be provided with fin 15 on the pivot 14. The rotary sealing device is characterized in that a transmission gear 16 is arranged between the rotary shaft 14 and the rotary driving connecting rod 4, the transmission gear 16 is arranged at the bottom end of the driving sealing cylinder body 2, corresponding tooth grooves are formed in the rotary shaft 14 and the rotary driving connecting rod 4, and the rotary shaft 14 and the rotary driving connecting rod 4 are in transmission through the transmission gear 16. An oil return pipe 17 is communicated between the oil bin 21 and the driving sealing cylinder body 2, an oil outlet port 18 and an oil inlet port 19 are arranged on the oil return pipe 17, the oil outlet port 18 is positioned between the oil inlet port 19 and the oil bin 21, and meanwhile, the contents which are not described in detail in the specification belong to the prior art well known to the person skilled in the art.
When the slurry pump starts to work, the piston type compression cylinder 3 in the sealing cylinder body 2 is driven to start to work, and the slurry is pushed to a wellhead through the compression of the slurry. The rotary driving connecting rod 4 drives the piston connecting rod to move upwards through the movement of the track clamping groove 6 and the eccentric driving ball 7 by the movable deflection disc 5, so that the piston type compression cylinder 3 is pushed to work forwards. Simultaneously with the operation of the piston compression cylinder 3, the cam 8 and the connecting cylinder 9 of the liquid cooling device start to operate, so that lubricating oil is pushed to flow in the connecting cylinder 9, and the flow direction of the lubricating oil is limited by the one-way valve 11.
At the same time, the oil return pipe 17 between the oil sump 21 and the driving seal cylinder 2 starts to work, and returns the used lubricating oil to the oil sump 21, and radiates heat through the heat radiation fins 13 and the heat radiation blades 15, so as to ensure the normal circulation of the lubricating oil and reduce the working temperature of the slurry pump. The transmission gear 16 drives the radiating blade 15 to rotate through the transmission between the rotating shaft 14 and the rotary driving connecting rod 4, so as to radiate the radiating fin 13.
When the lubricating oil is replaced, the oil outlet 18 and the oil inlet 19 can be replaced, so that the maintenance personnel can work conveniently.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A special slurry pump for drilling, which is characterized in that: including middle fixed bolster (1), drive sealed cylinder body (2) and liquid cooling device, the top in drive sealed cylinder body (2) is installed in middle fixed bolster (1), the outside of middle fixed bolster (1) is fixed with a plurality of piston compression cylinder (3), is provided with rotary drive connecting rod (4) in the middle of the inside of drive sealed cylinder body (2), the upper end joint of rotary drive connecting rod (4) in the bottom of middle fixed bolster (1), rotary drive connecting rod (4) in the middle of the activity be provided with movable deflection dish (5), the upper end of movable deflection dish (5) is connected with piston compression cylinder (3) through the piston rod, the lower extreme outside of movable deflection dish (5) be provided with track draw-in groove (6), the inside joint of track draw-in groove (6) has eccentric drive ball (7), eccentric drive ball (7) are fixed on rotary drive connecting rod (4), liquid cooling device set up in the inside lubricating oil of drive sealed cylinder body (2).
2. A mud pump for drilling according to claim 1, wherein: the inside of the driving sealing cylinder body (2) is filled with lubricating oil.
3. A mud pump for drilling according to claim 1, wherein: the liquid cooling device comprises a cam (8) and a connecting cylinder (9), wherein the cam (8) is sleeved on a rotary driving connecting rod (4), a push plate (10) is arranged in the connecting cylinder (9) in a sliding mode, the cam (8) is used for pushing the push plate (10) to slide in the connecting cylinder (9), a one-way valve (11) is arranged in the connecting cylinder (9), a reset spring (12) is arranged in the connecting cylinder (9) and between the push plate (10) and the one-way valve (11), and an oil port (20) for passing through lubricating oil is formed in the connecting cylinder (9).
4. A mud pump for drilling according to claim 3, wherein: one side fixedly connected with oil storehouse (21) of sealed cylinder body of drive (2), connecting cylinder (9) are used for connecting sealed cylinder body of drive (2) and oil storehouse (21), the bottom of oil storehouse (21) is run through has fin (13), the one end of fin (13) is located oil storehouse (21) the other end and is located oil storehouse (21) below, oil storehouse (21) bottom is provided with pivot (14), be provided with fin (15) on pivot (14).
5. A mud pump for drilling according to claim 4, wherein: a transmission gear (16) is arranged between the rotating shaft (14) and the rotary driving connecting rod (4), the transmission gear (16) is arranged at the bottom end of the driving sealing cylinder body (2), and the rotating shaft (14) and the rotary driving connecting rod (4) are in transmission through the transmission gear (16).
6. A mud pump for drilling according to claim 4, wherein: an oil return pipe (17) is communicated between the oil bin (21) and the driving sealing cylinder body (2), an oil outlet port (18) and an oil inlet port (19) are arranged on the oil return pipe (17), and the oil outlet port (18) is located between the oil inlet port (19) and the oil bin (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321402804.5U CN220302277U (en) | 2023-06-02 | 2023-06-02 | Special mud pump for well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321402804.5U CN220302277U (en) | 2023-06-02 | 2023-06-02 | Special mud pump for well drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302277U true CN220302277U (en) | 2024-01-05 |
Family
ID=89353532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321402804.5U Active CN220302277U (en) | 2023-06-02 | 2023-06-02 | Special mud pump for well drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302277U (en) |
-
2023
- 2023-06-02 CN CN202321402804.5U patent/CN220302277U/en active Active
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