CN109372452B - Drilling mud volume lifting device - Google Patents
Drilling mud volume lifting device Download PDFInfo
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- CN109372452B CN109372452B CN201811539257.9A CN201811539257A CN109372452B CN 109372452 B CN109372452 B CN 109372452B CN 201811539257 A CN201811539257 A CN 201811539257A CN 109372452 B CN109372452 B CN 109372452B
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- 238000005553 drilling Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000008093 supporting effect Effects 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000000670 limiting effect Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 29
- 239000011435 rock Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The utility model relates to a drilling mud volume lifting device, which comprises an electric control cabinet, a shell, a transmission mechanism, a driving mechanism and a lifting mechanism, wherein the driving mechanism drives a large chain wheel in the transmission mechanism, and a driving inner hexagonal chain wheel, a driven inner hexagonal chain wheel and a loading chain rotate to drive a hopper to move along with the large chain wheel and the loading chain, so that mud discharged from a drilling wellhead is continuously lifted to a required height. The utility model has reasonable design structure, the combination of the transmission mechanism and the lifting mechanism ensures that the mud discharged from the wellhead is not lifted by a mud pump, and thoroughly solves the problems that the shape of rock debris in the mud is changed in the lifting process to change the property of the mud, so that when the mud is recycled, the drilling quality and efficiency are influenced by fine rock debris particles contained in the mud; the lifting mechanism is adopted in the scheme, so that the volume lifting device can be lifted according to the field requirement, the inclination angle of the volume lifting device is adjustable, and the slurry amount can be automatically measured.
Description
Technical Field
The utility model relates to oilfield drilling mud treatment equipment, in particular to a volume lifting device for continuously lifting mud discharged from a wellhead to a required height through a bucket-shaped container.
Background
In the oilfield drilling process, a large amount of drilling mud carrying rock debris is discharged from the wellhead, the discharged mud is either treated or discarded, the treated mud can be reused, and the discarded mud is used for polluting the surrounding environment. In order to eliminate the pollution of the drilling mud to the surrounding environment, the discharged drilling mud is required to be collected, so that the discharged drilling mud is required to be subjected to solid-liquid separation once or twice, rock fragments in the mud are separated, and the mud is reused. Because the wellhead has a certain positioning difference and distance from the metal mud storage tank on the ground, equipment is required to lift the mud to the required height to complete the screening of the mud. At present, drilling and discharging slurry at an operation site flows into a slurry pit beside a wellhead, the slurry is lifted into a metal slurry storage tank by a slurry pump, and then lifted to an inlet of a vibrating screen by a second slurry pump, and solid-liquid separation is carried out through the vibrating screen. In the lifting process of the slurry pump, the metal impeller of the slurry pump rotates at a high speed, and the impeller rotating at the high speed can break up rock fragments drilled by a drill bit carried in slurry while lifting the slurry. Because broken rock debris particles are very fine and cannot be screened out from the screen by the vibrating screen, the broken rock debris particles fall along with the screened mud through the screen holes and are mixed into the mud under the screen, so that the components, viscosity and performance of the mud are changed, and when the mud is reused, the fine rock debris particles mixed in the mud can seriously influence the drilling quality and efficiency.
The patent office announces the utility model patent with Chinese patent number 201820084230.4 and name of 'bucket elevator for shaft' on the 9 th and 7 th of 2018, and the 'bucket elevator for shaft' provided by the patent is mainly used for excavating a shaft and conveying dregs excavated in the shaft to the ground. Specifically, the slag bucket is fixedly arranged on a double-row conveying chain, and is excavated in the vertical direction in a vertical shaft and the slag soil is lifted, so that the excavated slag soil in the shovel conveying well is realized. The equipment structure and the application are used for vertical lifting of a vertical shaft and dumping of dregs, and the property, lifting and clearing requirements of the drilling well discharge slurry are different from those of dregs, so the equipment is not suitable for collecting, processing and dumping of the drilling well discharge slurry in an oil field.
Disclosure of Invention
The utility model aims to provide a drilling mud volume lifting device which can lift well head mud to a required height according to a required gradient, does not damage the shape of rock debris in the mud in the lifting process, and solves the problem that when the mud is recycled and reused due to the fact that the shape of the rock debris in the mud is changed in the lifting process, the drilling quality and efficiency are affected due to the fact that fine rock debris particles are contained in the mud to change the mud performance.
The utility model is realized by the following technical scheme: the drilling mud volume lifting device comprises an electric control cabinet, a shell, a transmission mechanism, a driving mechanism and a lifting mechanism, wherein the electric control cabinet is arranged on a base; the shell is provided with a liquid inlet and a liquid outlet, the liquid inlet is connected with a liquid inlet pipe, the top of the liquid inlet is provided with a liquid level sensor, the bottom of the shell is provided with a drain valve, the inside of the shell is provided with a liquid collecting tank, and the bottom of the shell is connected with the base through a shaft in a rotating way; the transmission mechanism consists of two driven inner hexagonal chain wheels, two load chains, a hopper, two main beam groups, two driving inner hexagonal chain wheels, two large chain wheels, a driving shaft and a driven shaft, wherein the two driving inner hexagonal chain wheels are respectively positioned at the inner sides of the two main beam groups and fixedly arranged on the driving shaft; the lower supporting and metering device is positioned in the middle of the two main beam groups and is respectively fixed on the upper steel and the lower steel of the two main beam groups, the hopper is positioned in the middle of the two load chains, the bottom of the hopper is provided with a limiting slideway, the middle upper part of the hopper opening is provided with a sleeve, the long shaft of a chain link penetrates through the sleeve, the two ends of the shaft penetrate through the shaft holes of the chain links of the adjacent load chains respectively, the long shaft of the chain link penetrates through the limiting slideway at the bottom of the hopper respectively, the two ends of the shaft penetrate through the shaft holes of the chain links of the adjacent load chains respectively, and the chain links are connected by the short shaft of the chain link; the upper ends of the two main beam groups are respectively fixed with the base of the driving mechanism, and the lower ends are respectively connected with the shaft ends of the driven shafts 30 through adjustable tensioning devices; the driving mechanism comprises two small chain wheels and two driving motors, the two small chain wheels are correspondingly connected with the two large chain wheels in the transmission mechanism through driving chains respectively, the driving mechanism is arranged at the upper part outside the shell, and the base is correspondingly fixed with the upper end of the main beam group; the lifting device comprises a hydraulic station and two hydraulic cylinders, one ends of the two hydraulic cylinders are respectively connected with the base in a rotating way through shafts, the other ends of the two hydraulic cylinders respectively correspond to the middle upper parts of the girder groups and are connected with the hydraulic station through shafts in a rotating way, and the hydraulic cylinders are connected with the hydraulic station through high-pressure oil pipes.
The technical scheme has the advantages that: the utility model has reasonable design structure, the combination of the transmission mechanism and the lifting mechanism ensures that the mud discharged from the wellhead is not lifted by a mud pump, and thoroughly solves the problems that the shape of rock debris in the mud is changed in the lifting process to change the property of the mud, so that when the mud is recycled, the drilling quality and efficiency are influenced by fine rock debris particles contained in the mud; the lifting mechanism is adopted in the scheme, so that the volume lifting device can be lifted according to the field requirement, the inclination angle of the volume lifting device is adjustable, and the slurry amount can be automatically measured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the direction A in FIG. 1;
FIG. 3 is a schematic view of the connection structure of the driving inner hexagonal sprocket and the adjacent parts in the present utility model;
FIG. 4 is a schematic view of the connection structure of the driven inner hexagonal sprocket with adjacent components in the present utility model;
FIG. 5 is a schematic view of an anti-backup mechanism according to the present utility model;
FIG. 6 is a schematic view of the construction of the tensioning device of the present utility model;
FIG. 7 is a schematic view of the structure of the hopper of the present utility model;
FIG. 8 is a schematic view of the H-direction structure of FIG. 7;
FIG. 9 is a schematic view of the driving mechanism of the present utility model;
fig. 10 is a schematic view of the structure of the support metering device of the present utility model.
In the figure: the device comprises a base, a 2 electric control cabinet, a 3-shell, 4-4 a driven inner hexagonal sprocket, a 5 liquid inlet, a 6-liquid level sensor, a 7-7 a load chain, an 8-electric heating device, a 9-hopper, 10-10 a supporting metering device, 11-11 a main beam group, 12-12 a driving inner hexagonal sprocket, 13-13 a driving chain, 14-a driving motor, 14 standby driving motor, 15 liquid outlet, 16-16 a hydraulic cylinder, 17-17 a small sprocket, 18-18 a coupling, 19-lead screw motor, 20-20 a shifting fork, 21-reversing lead screw, 22-22 a large sprocket, 23-23 a rolling bearing, 24-driving shaft, 25-axis, 26-anti-reversing clamping piece, 27-reversing saw gear, 28-28 a sliding friction pair, 29-slideway, 30-driven shaft, 31-lead screw, 32 internal piece, 33 external piece, 34 sleeve, 35-35 a ring, 36-link short axis, 37-limiting slideway, 38-link long axis first, 39-long-axis two, 40-axis upper-support wheel group, 40b lower-support wheel group, 41-lower-pressure sensor, 41-lower support seat, and 42 b-lower support.
Detailed Description
The technical solution of the present utility model is further described below with reference to the accompanying drawings, but should not be construed as limiting the present utility model:
fig. 1 is a schematic structural view of the present utility model, fig. 2 is a schematic structural view of the direction a in fig. 1, and in combination with the structure shown in fig. 1 and fig. 2, a drilling mud volume lifting device includes an electric control cabinet, a housing, a transmission mechanism, a driving mechanism and a lifting mechanism. The electric control cabinet 2 is arranged on the base 1, the shell 3 is provided with a liquid inlet 5 and a liquid outlet 15, the liquid inlet 5 is positioned on the bottom side surface of the shell 3 and is connected with a liquid inlet pipe, the top of the liquid inlet 5 is provided with a liquid level sensor 6, and the purpose of installing the liquid level sensor 6 is to control the speed of equipment lifting speed and meet the lifting conditions of different displacement. The liquid outlet 15 is located the upper portion side of casing 3, and the blowoff valve is equipped with to the bottom of casing 3, and inside has the collecting vat, and the bottom of casing 3 passes through the axle rotation with base 1 and is connected. In order to facilitate metering, an electromagnetic flowmeter can be arranged on the liquid inlet pipe to meter the liquid discharge amount of the drilling wellhead.
Fig. 3 is a schematic diagram of a connection structure between a driving inner hexagonal sprocket and an adjacent component in the present utility model, which is a schematic diagram of a structure in a direction B in fig. 1, and fig. 4 is a schematic diagram of a connection structure between a driven inner hexagonal sprocket and an adjacent component in the present utility model, which is a schematic diagram of a structure in a direction C in fig. 1. According to the structure shown in fig. 3 and 4, the transmission mechanism consists of two driven inner hexagonal chain wheels, two load chains, a hopper, two main beam groups, two driving inner hexagonal chain wheels, two large connecting wheels, a driving shaft and a driven shaft. The driving inner hexagonal chain wheel 12 is positioned at the left inner upper end of the main beam group 11 and is arranged at one end of the driving shaft 24, and the driving inner hexagonal chain wheel 12a is positioned at the right inner upper end of the main beam group 11a and is arranged at the other end of the driving shaft 24. The large chain wheel 22 is fixed with the shaft end part of the driving shaft 24 at the right outer side of the main beam group 11, the large chain wheel 22a is positioned at the left outer side of the main beam group 11a and is fixed with the shaft end part of the driving shaft 24a, and the driving shaft 24 is connected with the upper ends of the main beam groups 11 and 11a through rolling bearings 23 and 23 a. The driven inner hexagonal chain wheel 4 is positioned at the left inner side of the main beam group 11 and is arranged at the lower end of the main beam group through a driven shaft 30, and the driven inner hexagonal chain wheel 4 is correspondingly connected with the driving inner hexagonal chain wheel 12 through a load chain 7; the driven inner hexagonal chain wheel 4a is positioned on the right inner side of the main beam group 11a and is arranged at the lower end of the main beam group through a driven shaft 30, and the driven inner hexagonal chain wheel 4a and the driving inner hexagonal chain wheel 12a are correspondingly connected by a load chain 7 a. The distance between the driven inner hexagonal sprocket wheels 4, 4a is identical to the distance between the driving inner hexagonal sprocket wheels 12, 12 a. The driven inner hexagonal chain wheel 4 is rotationally connected with the driven shaft 30 through the sliding friction pair 28, the driven inner hexagonal chain wheel 4a is rotationally connected with the driven shaft 30 through the sliding friction pair 28a, and two ends of the driven shaft 30 are respectively connected with the lower ends of the main beam groups 11 and 11a through adjustable tensioning devices. The supporting and metering device is arranged below the corresponding load chain and has supporting and limiting functions on the load chain. The support metering device comprises an upper group support metering device and a lower group support metering device, the upper group support metering device is provided with two sets of upper support metering devices, the lower group support metering device is provided with two sets of lower support metering devices, the two sets of upper support metering devices and the two sets of lower support metering devices are both positioned in the middle parts of the two girder groups and are respectively fixed above the upper steel and below the lower steel of the two girder groups. Each girder group consists of an upper square steel and a lower square steel, and I-shaped steel or other sectional materials can be used. The two main beam groups are respectively connected with the driving shaft and the driven shaft to form a frame, and have supporting effect on the driving inner hexagonal chain wheel, the driven inner hexagonal chain wheel, the large connecting wheel and the driving mechanism. The main beam sets 11, 11a, the driving shaft 24, the driven shaft 30, the load chains 7, 7a and the associated components are arranged in a housing. The driving mechanism is arranged at the upper part of the shell 3, the bottom is correspondingly fixed with the upper ends of the main beams 11 and 11a, the small chain wheel 17 in the driving device is correspondingly connected with the large chain wheel 22 through the driving chain 13, and the small chain wheel 17a in the driving device is correspondingly connected with the large chain wheel 22a through the driving chain 13 a. After connection, the driving inner hexagonal chain wheel, the driven inner hexagonal chain wheel and the load chain driving hopper in the power driving transmission mechanism are provided by the driving device to move along with the rotation of the load chain.
To further secure the operation of the apparatus, an anti-backup mechanism is mounted between the left inner side of the large sprocket 22 and the main beam set 11.
FIG. 5 is a schematic view of the anti-reverse mechanism of the present utility model, and is a schematic view of the structure of FIG. 3 in the direction G-G. As shown in fig. 5, the anti-reverse mechanism comprises a shaft 25, an anti-reverse clamping piece 26 and an anti-reverse saw gear 27, one end of the shaft 25 is fixed on the main beam set 11, the other end of the shaft is movably connected with the anti-reverse clamping piece 26, the other end of the anti-reverse clamping piece 26 naturally rides on the anti-reverse saw gear 27, and the anti-reverse saw gear 27 is fixedly arranged on the left inner side of the large sprocket 22. When the equipment is in operation, the small chain wheel in the driving device drives the large chain wheel through the driving chain, the driving inner hexagonal chain wheel is driven to rotate by the driving load chain and the driven inner hexagonal chain wheel, and the hopper 9 is driven to move along with rotation. When the equipment lifts up the slurry, the anti-backup saw gear 27 rotates reversely, the anti-backup clamp 26 is not active, when the equipment fails and reverses, the anti-backup saw gear 27 rotates positively, the anti-backup clamp 26 immediately clamps the large sprocket 22, and the equipment stops running.
In order to ensure the tension degree of the load chains 7, 7a, adjustable tension devices are fixedly arranged between the upper square steel and the lower square steel at the lower ends of the main girder groups 11, 11 a. In the scheme of the utility model, two sets of adjustable tensioning devices are arranged, the outer piece and the slideway in each set of adjustable tensioning device are welded on the inner sides of the upper square steel and the lower square steel of the main beam group, and the two sets of adjustable tensioning devices have the same structure and the same installation method.
Fig. 6 is a schematic structural view of the adjustable tensioning device of the present utility model, and is a schematic structural view of the F direction in fig. 4. As shown in the structure of fig. 6, the adjustable tensioning device is designed with two sets, each set is composed of a slideway, a screw rod, an inner piece and an outer piece, the outer piece 33 and the slideway 29 are welded on the inner sides of the upper square steel and the lower square steel of the main girder assembly, the inner piece 32 is fixed on two ends of the driven shaft 30, and the inner piece 32 can slide up and down along the slideway 29. A screw rod 31 is arranged between the inner piece 32 and the outer piece 33, and the tension degree of the load chain is adjusted by rotating the screw rod 31.
Fig. 7 is a schematic structural view of a hopper in the utility model, which is a schematic structural view in the direction D in fig. 1, fig. 8 is a schematic structural view in the direction H in fig. 7, and in combination with the schematic structural view in fig. 7 and 8, the hopper 9 is positioned between two load chains 7 and 7a, a limiting slideway 37 is arranged at the bottom, a sleeve 34 is arranged at the upper middle part in the opening of the hopper 9, a first chain link long shaft 38 penetrates through the sleeve 34 and positioning rings 35 and 35a, two ends of the shaft respectively penetrate into shaft holes of adjacent load chain links, the positioning rings 35 and 35a are fixed on the first chain link long shaft 38, the hopper 9 is positioned between the two load chains 7 and 7a and can rotate freely around the first chain link long shaft 38, a second chain link long shaft 39 penetrates through a limiting slideway 37 at the bottom of the hopper 9, two ends of the shaft respectively penetrate into the shaft holes of the adjacent load chain links, and the chain links are connected by a short chain link shaft 36. The hopper 9 is connected to the load chains 7, 7a by a link major axis one 38 and a link major axis two 39. After connection, the two load chains rotate continuously around a long closed loop formed by a driving inner hexagonal chain wheel on the driving shaft and a driven inner hexagonal chain wheel on the driven shaft, and the hopper is driven to move along with the rotation of the load chains. When the hopper is filled with slurry and runs upwards along a certain angle, the sleeve 34 and the first long shaft 38 of the chain link can rotate under the action of the gravity center, and the bottom of the hopper is provided with the limiting slide way, so that the bottom of the hopper can automatically slide along the limiting slide way 37 under the action of the gravity center of the hopper, the opening end of the hopper is always in a nearly horizontal state, and the lifting efficiency is ensured. The limiting slide way has a limiting effect on the bottom of the hopper, so that the hopper is prevented from overturning during operation, the hopper can be ensured to accurately scoop up the slurry when the hopper runs to the lower part, and the device can be ensured to always lift the open end of the hopper in a nearly horizontal state in the operation of a certain inclination angle, so that no slurry is scattered. The number of hoppers is designed according to the needs. In order to ensure the optimal effect of the hopper in scooping the slurry, the outer plate surface of the hopper 9 is designed to be arc-shaped, is consistent with the arc shape of the bottom of the shell 3, and leaves a gap of about 2 cm, so that the residual slurry amount of the arc-shaped storage cavity at the bottom of the shell 3 is minimized when the hopper is ensured to scoop the slurry.
Fig. 9 is a schematic structural view of the driving device in the present utility model, and is a schematic structural view of fig. 1 from the direction E. According to fig. 9, the drive mechanism comprises two small sprockets and two drive motors, one of which is a spare drive motor 14. The small sprocket 17 is connected to the large sprocket 22 in the transmission mechanism by the drive chain 13, and the small sprocket 17a is connected to the large sprocket 22a in the transmission mechanism by the drive chain 13 a. The driving mechanism is integrally arranged at the upper part outside the shell 3, and the bottom is correspondingly fixed with the upper ends of the main beam groups 11 and 11 a.
A coupling and a shifting fork are arranged between the small chain wheel shafts corresponding to the driving motor 14a shaft and the standby driving motor 14 shaft respectively, a coupling convex part is fixedly connected with a driving motor shaft, a concave part is connected with the small chain wheel shaft in a sliding way along the axis, the coupling concave part is connected with the shifting fork in a rolling way, the shifting fork can shift the concave part to move forwards and backwards along the axis, and a reversing screw 21 is used for screw transmission connection with a screw motor 19 between the shifting fork 20 and the shifting fork 20 a. When the driving motor 14a fails to stop in the working process of the device and the standby driving motor 14 is replaced, the lead screw motor 19 works, the shifting fork 20 and the shifting fork 20a simultaneously move leftwards when the reversing lead screw 21 rotates forwards, the concave part of the coupling 18 is meshed with the convex part, the concave part of the coupling 18a is separated from the convex part, the standby driving motor 14 is started to work, and the driving motor 14a stops working and is in a maintenance standby state, and vice versa.
The supporting and metering device comprises an upper group supporting and metering device and a lower group supporting and metering device, wherein the upper group supporting and metering device is provided with two sets of upper supporting and metering devices, each set of upper supporting and metering device consists of an upper supporting wheel group, an upper pressure sensor and an upper support, each upper supporting wheel group is provided with a concave roller, the concave rollers are correspondingly arranged below a load chain, the load chain is arranged in a groove of the concave rollers, the upper pressure sensor is arranged between the bottom of the upper supporting wheel group and the upper support, and the upper support is fixed with upper steel in a main beam group; the lower group support metering device is provided with two sets of lower support metering devices, each set of lower support metering device consists of a lower support wheel set, a lower pressure sensor and a lower support, each lower support wheel set is provided with a concave roller, the concave rollers are correspondingly arranged below a load chain, the load chain is arranged in a groove of the concave rollers, the lower pressure sensor is arranged between the bottom of the lower support wheel set and the lower support, and the lower support is fixed with lower steel in the main beam group. Each load chain corresponds to one set of upper support metering devices in the upper set of support metering devices and one set of lower support metering devices in the lower set of support metering devices
Fig. 10 is a schematic structural view of a support metering device in the present utility model, and fig. 10 is a schematic structural view of an upper support metering device and a lower support metering device on a rotating load chain, specifically describing the connection relationship between the components in the upper and lower support metering devices: the upper pressure sensor 41 is installed between the bottom of the upper support wheel set 40 and the upper support 42, the upper support 42 is fixed with the upper steel in the main beam set 11, and the heavy load chain 7 drives the heavy load hopper 9 filled with slurry to pass through the concave roller groove of the upper support wheel set 40. The lower pressure sensor 41b is arranged between the bottom of the lower supporting wheel set 40b and the lower support 42b, the lower support 42b is fixed with the lower steel in the main beam set 11, and the load chain 7 drives the empty load hopper 9 for pouring out mud to pass through the concave roller groove of the lower supporting wheel set 40 b. When the heavy load hopper is pulled by two load chains to pass through two sets of upper supporting metering devices of the upper group supporting metering devices, heavy load weight is transmitted to two upper pressure sensors through two upper supporting wheel groups, the two upper pressure sensors transmit collected pressure data to the electric control cabinet 2, when the no-load hopper is pulled by two sets of lower supporting metering devices of the lower group supporting metering devices through two load chains, no-load weight is transmitted to two lower pressure sensors through two lower supporting wheel groups, the two lower pressure sensors transmit the collected pressure data to the electric control cabinet 2, the electric control cabinet calculates wellhead displacement and compares the wellhead displacement with injection quantity, when the displacement is large, the displacement indicates stratum liquid, measures should be taken to prevent blowout, displacement hours indicates stratum leakage, plugging measures should be taken to prevent oil layer pollution, and safety and drilling quality are ensured.
The lifting device comprises a hydraulic station and two hydraulic cylinders, one ends of the hydraulic cylinders 16 and 16a are respectively connected with the base 1 in a rotating way through shafts, the other ends of the hydraulic cylinders 16 and 16a are respectively connected with the middle upper parts of the main beam groups 11 and 11a in a rotating way through shafts, and the hydraulic cylinders 16 and 16a are connected with the hydraulic station through respective high-pressure oil pipes. The hydraulic station provides power for the hydraulic cylinders 16 and 16a to enable the hydraulic cylinders to extend or retract, and as the other ends of the hydraulic cylinders 16 and 16a are respectively connected with the main beam groups 11 and 11a in a shaft rotation mode, the equipment is lifted or put down or adjusted to a required angle through driving control of the electric control cabinet 2.
The equipment shell 3 is a heat-insulating shell with heat-insulating materials inside, and an electric heating device 8 can be additionally arranged at the middle lower part of the main beam group in the shell 3, and the temperature is automatically controlled and regulated through an electric control cabinet, so that the inside of the shell of the equipment is ensured not to be frozen or frozen during winter construction operation.
During operation, the motor and the chain wheel in the driving mechanism drive the large chain wheel in the transmission mechanism through the driving chain to drive the driving inner hexagonal chain wheel, the driven inner hexagonal chain wheel and the load chains to rotate, the hopper positioned between the two load chains moves along with the rotation, the slurry scooping hopper is lifted to the required height according to the set rotation speed, and the slurry scooping hopper is conveyed to the vibrating screen for solid-liquid separation. In the lifting process, as the bottom of the hopper is provided with the limiting slideway, the hopper can automatically and horizontally run stably without overturning or tilting, and the metal blades running at high speed in the whole process do not damage the shape of rock scraps in the slurry, the problem that the property of the slurry is changed due to the shape change of the rock scraps in the original treatment mode, and the drilling quality and efficiency are influenced due to the fact that the slurry contains tiny rock scraps when the slurry is recycled is solved. The lifting mechanism in the technical scheme can realize lifting of equipment according to field requirements, and the inclination angle of the equipment is adjustable; the supporting metering device can automatically meter the slurry amount; the anti-reversing mechanism is arranged, so that the safe operation of the equipment can be ensured; a liquid level sensor 6 is arranged to control the lifting speed of the equipment; the heat preservation device can be used for operating in an environment with low temperature, and the aim of the utility model is fulfilled.
Claims (7)
1. A drilling mud volume lifting device, characterized by: the drilling mud volume lifting device comprises an electric control cabinet, a shell, a transmission mechanism, a driving mechanism and a lifting mechanism, wherein the electric control cabinet (2) is arranged on a base (1); the shell (3) is provided with a liquid inlet (5) and a liquid outlet (15), the liquid inlet (5) is connected with a liquid inlet pipe, the top of the liquid inlet (5) is provided with a liquid level sensor (6), the bottom of the shell (3) is provided with a drain valve, a liquid collecting tank is arranged in the shell, and the bottom end of the shell is connected with the base (1) through a shaft in a rotating way; the transmission mechanism consists of two driven inner hexagonal chain wheels, two load chains, a hopper, two main beam groups, two driving inner hexagonal chain wheels, two large chain wheels, a driving shaft and a driven shaft, wherein the two driving inner hexagonal chain wheels are respectively positioned at the inner sides of the two main beam groups and fixedly arranged on the driving shaft (24), the two large chain wheels are respectively positioned at the outer sides of the two main beam groups and are fixed with the two end parts of the driving shaft (24), the driving shaft (24) is connected with the upper ends of the two main beam groups through rolling bearings, the two driven inner hexagonal chain wheels are respectively positioned at the inner sides of the two main beam groups and are arranged at the lower ends of the main beam groups through driven shafts (30), the two driven inner hexagonal chain wheels are respectively and correspondingly connected with the two driving inner hexagonal chain wheels through the two load chains, the two driven inner hexagonal chain wheels are rotationally connected with the driven shaft (30) through two groups of sliding friction pairs (28, 28 a), the two ends of the driven shaft (30) are respectively connected with the lower ends of the main girder groups (11, 11 a) through adjustable tensioning devices, supporting and metering devices are respectively arranged below corresponding load chains, each supporting and metering device comprises an upper group supporting and metering device and a lower group supporting and metering device, the upper group supporting and metering device is provided with two sets of upper supporting and metering devices, the lower group supporting and metering device is provided with two sets of lower supporting and metering devices, the two sets of upper supporting and metering devices and the two sets of lower supporting and metering devices are respectively fixed above upper steel and below lower steel of the two main girder groups at the middle parts of the two main girder groups, each set of upper supporting and metering device consists of an upper supporting wheel group, an upper pressure sensor and an upper support, each upper supporting wheel group is provided with a concave roller, each concave roller is correspondingly arranged below the load chain, the load chains are arranged in grooves of the concave rollers, the upper pressure sensor is arranged between the bottom of the upper supporting wheel set and the upper support, and the upper support is fixed with upper steel in the main beam set; the lower group support metering device is provided with two sets of lower support metering devices, each set of lower support metering device consists of a lower support wheel group, a lower pressure sensor and a lower support, each lower support wheel group is provided with a concave roller, the concave rollers are correspondingly arranged below load chains, the load chains are arranged in grooves of the concave rollers, the lower pressure sensor is arranged between the bottoms of the lower support wheel groups and the lower supports, the lower supports are fixed with lower steel in the main beam group, a hopper (9) is positioned between two load chains (7, 7 a), a limiting slideway (37) is arranged at the bottom of each lower support, a sleeve (34) is arranged at the middle upper part of each hopper opening, a long shaft (38) of each chain link penetrates through the sleeve, two ends of each shaft penetrate into shaft holes of the corresponding adjacent load chain links, a long shaft (39) of each chain link penetrates through the limiting slideway (37) at the bottom of each chain link, and the chain links are connected by a short shaft (36) of each chain link; the upper ends of the two main beam groups are respectively fixed with the base of the driving mechanism, and the lower ends are respectively connected with the shaft ends of the driven shafts (30) through adjustable tensioning devices; the driving mechanism comprises two small chain wheels and two driving motors, the two small chain wheels are correspondingly connected with two large chain wheels in the transmission mechanism through driving chains respectively, a shaft coupling and a shifting fork are arranged between small chain wheel (17 a, 17) shafts corresponding to the shafts of the driving motor (14 a) and the standby driving motor (14), a shaft coupling convex part is fixedly connected with a driving motor shaft, a concave part is in sliding connection with a small chain wheel shaft along an axis, the concave part of the shaft coupling is in rolling connection with the shifting fork, a shifting fork (20) corresponding to the standby driving motor is connected with a shifting fork (20 a) corresponding to the driving motor through a reversing screw (21), the driving mechanism is arranged at the outer upper part of the shell (3), and the bottom is correspondingly fixed with the upper end of the main beam group; the lifting device comprises a hydraulic station and two hydraulic cylinders, one ends of the two hydraulic cylinders are respectively connected with the base (1) in a rotating way through shafts, the other ends of the two hydraulic cylinders respectively correspond to the middle upper parts of the girder groups and are connected with the hydraulic station through shafts in a rotating way, and the hydraulic cylinders are connected with the hydraulic station through respective high-pressure oil pipes.
2. Drilling mud volume lifting device according to claim 1, characterized in that: the outer plate of the hopper (9) is arc-shaped and is consistent with the arc shape of the bottom of the shell (3).
3. Drilling mud volume lifting device according to claim 1, characterized in that: the shell (3) is a heat-insulating shell with heat-insulating materials inside.
4. Drilling mud volume lifting device according to claim 1, characterized in that: the drilling mud volume lifting device is characterized in that an electric heating device (8) is additionally arranged at the middle lower part of a main beam group in a shell (3).
5. Drilling mud volume lifting device according to claim 1, characterized in that: the drilling mud volume lifting device is provided with an anti-reversing mechanism between the inner side of a large chain wheel (22) and a main beam group (11); the anti-reverse mechanism comprises a shaft (25), an anti-reverse clamping piece (26) and an anti-reverse saw gear (27), one end of the shaft (25) is fixed on the main beam group (11), the other end of the shaft is movably connected with the anti-reverse clamping piece (26), the other end of the anti-reverse clamping piece (26) is naturally placed on the anti-reverse saw gear (27), and the anti-reverse saw gear (27) is fixedly arranged on the left inner side of the large chain wheel (22).
6. Drilling mud volume lifting device according to claim 1, characterized in that: the drilling mud volume lifting device is characterized in that an adjustable tensioning device is fixedly arranged between an upper square steel and a lower square steel at the lower ends of a main beam group (11, 11 a), and the lower ends of the main beam group (11, 11 a) are connected with two ends of a driven shaft (30) through the adjustable tensioning device.
7. The drilling mud volume lifting device of claim 6, wherein: the adjustable tensioning device consists of a slideway, a screw rod, an inner piece and an outer piece, the outer piece (33) and the slideway 29 are welded on the inner sides of the upper square steel and the lower square steel of the main girder assembly, the inner piece (32) is fixed at two ends of the driven shaft (30), and a screw rod (31) is arranged between the inner piece (32) and the outer piece (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539257.9A CN109372452B (en) | 2018-12-17 | 2018-12-17 | Drilling mud volume lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539257.9A CN109372452B (en) | 2018-12-17 | 2018-12-17 | Drilling mud volume lifting device |
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| Publication Number | Publication Date |
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| CN109372452A CN109372452A (en) | 2019-02-22 |
| CN109372452B true CN109372452B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539257.9A Active CN109372452B (en) | 2018-12-17 | 2018-12-17 | Drilling mud volume lifting device |
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| CN (1) | CN109372452B (en) |
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| US5863430A (en) * | 1996-05-06 | 1999-01-26 | Williams; J. Terrell | Drilling mud separation system with removable continuous-belt separation unit |
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| CN109372452A (en) | 2019-02-22 |
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Address after: 163000 Shuxiang Mingdi 1-1004, Dongfeng New Village, Saltu District, Daqing City, Heilongjiang Province Patentee after: Liu Xinghai Patentee after: Heilongjiang Wanyida Oilfield Technology Service Co.,Ltd. Address before: 163000 Shuxiang Mingdi 1-1004, Dongfeng New Village, Saltu District, Daqing City, Heilongjiang Province Patentee before: Liu Xinghai Patentee before: HEILONGJIANG WANYIDA ENERGY-SAVING ENVIRONMENTAL PROTECTION DEVICE MANUFACTURING Co.,Ltd. |
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