CN110561331A - Well cementation cement truck plunger pump gland dismouting device - Google Patents
Well cementation cement truck plunger pump gland dismouting device Download PDFInfo
- Publication number
- CN110561331A CN110561331A CN201910872420.1A CN201910872420A CN110561331A CN 110561331 A CN110561331 A CN 110561331A CN 201910872420 A CN201910872420 A CN 201910872420A CN 110561331 A CN110561331 A CN 110561331A
- Authority
- CN
- China
- Prior art keywords
- plunger pump
- hydraulic cylinder
- fixed shaft
- curved wheel
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000004907 gland Anatomy 0.000 title claims abstract description 32
- 239000004568 cement Substances 0.000 title claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention relates to the technical field of plunger pump pressure cover dismounting devices, in particular to a dismounting device for a plunger pump pressure cover of a well cementation cement truck, which comprises a fixed connecting plate, a hydraulic cylinder, a curved wheel, a compression spring, a locking cover and a ratchet wheel, wherein the right end of the hydraulic cylinder is hinged and installed at the right end of the fixed connecting plate, a limiting fixed shaft arranged in the front-back direction is fixedly installed at the left end of the fixed connecting plate, the lower end of the curved wheel capable of rotating left and right along the limiting fixed shaft is sleeved at the front side and the rear side of the limiting fixed shaft, and the upper end of the curved. The invention has reasonable structure and convenient use, the telescopic rod is pushed by the hydraulic cylinder under high pressure, the curved wheel rotates to form torque to easily drive the gland to rotate, the invention has the characteristic of facilitating the disassembly and the assembly of the gland of the plunger pump of the well cementing truck, and meanwhile, the ratchet wheel is meshed with the teeth on the curved wheel under the action of the spring, thereby having the characteristic of preventing the curved wheel from reversing.
Description
Technical Field
the invention relates to the technical field of petroleum equipment tools, in particular to a device for disassembling and assembling a pressure cover of a well cementing truck plunger pump.
Background
The well cementation cement truck is the main equipment for operations such as injection of pad fluid, cement injection, replacement of slurry, collision pressure and the like in well cementation construction, the plunger pump is an important component of the well cementation cement truck, and as the construction operation time is long, the pressure is high, and most of the pumped liquid is cement slurry, drilling fluid and other media with higher density, the gland is very difficult to disassemble, and the disassembly difficulty is aggravated if the well cementation cement truck is stopped for a long time and cannot be maintained regularly. At present, the gland can be disassembled only by manpower, and a hammer is used for smashing, so that the method is single and has poor effect. The packing of three plungers is changed, and three operators of the general train set need about 6 hours, and once meeting the extremely difficult gland of dismantling, when can not move power-driven steam welding, then need consume more time and physical power, has greatly increased the intensity of labour who maintains the hydraulic end of plunger pump, and work efficiency is low. Because the hydraulic end is filled with liquid in a sealed vacuum state when working, no puncture and no leakage must be ensured, and the installation of the gland also has extremely high requirements.
Disclosure of Invention
The invention provides a device for disassembling and assembling a well cementation cement truck plunger pump pressure cover, which overcomes the defects of the prior art and can effectively solve the problem that the well cementation cement truck plunger pump pressure cover is difficult to disassemble and assemble.
The technical scheme of the invention is realized by the following measures: a device for disassembling and assembling a pressure cover of a plunger pump of a well cementing cement truck comprises a fixed connecting plate, a hydraulic cylinder, a curved wheel, a compression spring, a locking cover and a ratchet wheel, wherein the right end of the hydraulic cylinder is hinged and installed at the right end of the fixed connecting plate, a limit fixing shaft arranged in the front-back direction is fixedly installed at the left end of the fixed connecting plate, the lower end of the curved wheel capable of rotating left and right along the limit fixing shaft is sleeved at the front side and the back side of the limit fixing shaft, the upper end of the curved wheel is hinged and installed with a telescopic rod of the hydraulic cylinder, a left positioning device capable of matching with the shape of a mounting hole of the pressure cover is fixedly installed at the back side of the limit fixing shaft at the back side of the curved wheel, the locking cover is fixedly installed at the front end of the limit fixing shaft at the front side of the curved wheel, the compression spring and the ratchet wheel capable of pushing the ratchet wheel against the curved, and a right positioning device which can be matched with the gland mounting hole in shape is fixedly arranged at the right part of the fixed connecting plate corresponding to the left positioning device.
The following is further optimization or/and improvement of the technical scheme of the invention:
The left positioning device can comprise a hexagonal rotating shaft, and the hexagonal rotating shaft and the rear end of the limiting fixing shaft are fixedly installed together.
The hexagonal rotating shaft can be provided with a rectangular inner hole, the outer end of the limiting fixed shaft is a cuboid, and the cuboid is sleeved in the rectangular inner hole.
The right positioning device can comprise a fixed screw hole sleeve, a hexagonal fixing shaft and a limiting nut which are fixed at the right part of the fixed connecting plate, the front part of the hexagonal fixing shaft is fixedly arranged in the fixed screw hole sleeve through threads, and the limiting nut which can lock the hexagonal fixing shaft on the fixed screw hole sleeve is sleeved on the hexagonal fixing shaft.
The front end of the limiting fixed shaft at the front side of the crank wheel can be fixedly provided with a locking cover through a screw.
The right end of the hydraulic cylinder can be hinged to the right end of the fixed connecting plate through the connecting pin, and the upper end of the curved wheel is hinged to the telescopic rod of the hydraulic cylinder through the connecting pin.
The invention has reasonable structure and convenient use, the telescopic rod is pushed by the hydraulic cylinder under high pressure, the curved wheel rotates to form torque to easily drive the gland to rotate, the invention has the characteristic of facilitating the disassembly and the assembly of the gland of the plunger pump of the well cementing truck, and meanwhile, the ratchet wheel is meshed with the teeth on the curved wheel under the action of the spring, thereby having the characteristic of preventing the curved wheel from reversing.
Drawings
FIG. 1 is a schematic bottom view of the preferred embodiment of the present invention.
Fig. 2 is a schematic front view of the preferred embodiment of the present invention.
Fig. 3 is a schematic view of the front view operation structure of the preferred embodiment of the present invention.
The codes in the figures are respectively: the hydraulic cylinder is characterized in that the hydraulic cylinder is a fixed connecting plate 1, the hydraulic cylinder is a hydraulic cylinder 2, the crank wheel 3, the compression spring 4, the locking cover 5, the ratchet wheel 6, the limiting fixing shaft 7, the telescopic rod 8, the tooth 9, the ratchet 10, the hexagonal rotating shaft 11, the fixing screw hole sleeve 12, the hexagonal fixing shaft 13, the limiting nut 14, the screw 15, the connecting pin 16, the liquid inlet hole I17 and the liquid inlet hole II 18 are connected through the connecting pin.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of the upper, lower, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The technical scheme of the invention is realized by the following measures:
The invention is further described with reference to the following examples and figures:
As shown in attached figures 1 to 3, the device for disassembling and assembling the pressure cover of the well cementing cement truck plunger pump comprises a fixed connecting plate 1, a hydraulic cylinder 2, a curved wheel 3, a compression spring 4, a locking cover 5 and a ratchet 6, wherein the right end of the hydraulic cylinder 2 is hinged and installed at the right end of the fixed connecting plate 1, a limiting fixed shaft 7 arranged in the front-back direction is fixedly installed at the left end of the fixed connecting plate 1, the lower end of the curved wheel 3 capable of rotating left and right along the limiting fixed shaft 7 is sleeved at the front and back sides of the limiting fixed shaft 7, the upper end of the curved wheel 3 is hinged and installed with a telescopic rod 8 of the hydraulic cylinder 2, a left positioning device capable of matching with the shape of a pressure cover installation hole is fixedly installed at the back side of the limiting fixed shaft 7 at the back side of the curved wheel 3, the locking cover 5 is fixedly installed at the front end of the limiting fixed shaft 7 at the front side of the curved wheel 3, the compression spring 4 and, the front side surface of the curved wheel 3 is provided with teeth 9, the ratchets 10 of the ratchet wheel 6 are meshed with the teeth 9 on the front side surface of the curved wheel 3, and the right part of the fixed connecting plate 1 corresponding to the left positioning device is fixedly provided with a right positioning device which can be matched with the shape of the gland mounting hole. In use, hydraulic pressure gets into from feed liquor hole two 18, promote telescopic link 8 in the pneumatic cylinder 2, telescopic link 8 stretches out slowly, make and the 3 anticlockwise rotations of curved wheel through 16 hinged joint of connecting pin with telescopic link 8, 3 anticlockwise rotations of curved wheel form moment, thereby drive the ratchet 6 rotation with 3 meshing of curved wheel through the moment of torsion, further drive the spacing fixed axle 7 rotation of being connected with 6 four directions of ratchet, drive hexagonal rotation axis 11 at last and rotate, thereby transmit power for the interior hexagonal hole of gland through the rotation of hexagonal rotation axis 11.
the dismounting device for the pump head cover of the plunger pump of the well cementation cement truck can be further optimized or/and improved according to actual requirements:
As shown in fig. 1 to 3, the left positioning device comprises a hexagonal rotating shaft 11, and the hexagonal rotating shaft 11 is fixedly installed with the rear end of the limiting fixed shaft 7. Such an arrangement provides better positioning.
As shown in attached figures 1 to 3, a rectangular inner hole is formed in the hexagonal rotating shaft 11, the outer end of the limiting fixing shaft 7 is a cuboid, and the cuboid is sleeved in the rectangular inner hole. The cuboid suit with 7 outer ends of spacing fixed axle is in the inside of the rectangle hole that is equipped with on hexagonal rotation axis 11, and the edges and corners joint of cuboid is in the edges and corners department of rectangle hole, conveniently fixes the end at spacing fixed axle 7 with hexagonal rotation axis 11, the transmission moment of torsion of being convenient for.
As shown in fig. 1 to 3, the right positioning device includes a fixing threaded sleeve 12 fixed on the right portion of the fixing connection plate 1, a hexagonal fixing shaft 13 and a stop nut 14, the front portion of the hexagonal fixing shaft 13 is fixedly installed in the fixing threaded sleeve 12 through threads, and the stop nut 14 capable of locking the hexagonal fixing shaft 13 on the fixing threaded sleeve 12 is sleeved on the hexagonal fixing shaft 13. The lower end of the hexagonal fixing shaft 13 is fixedly arranged in the fixed threaded hole sleeve 12 through threads, the hexagonal fixing shaft 13 is fixed, when the hexagonal fixing shaft is used, the front of the hexagonal fixing shaft 13 is placed in an inner hexagonal hole in front of a plunger pump cover, and the limiting nut 14 is screwed to limit the hexagonal fixing shaft 13, so that the effects of positioning and torque transmission can be better achieved.
As shown in fig. 1 to 3, the front end of the limiting fixed shaft 7 at the front side of the crank wheel 3 is fixedly provided with a locking cover 5 through a screw 15. The locking cover 5 is installed through a screw, the compression spring 4 and the ratchet 6 are locked by the locking cover 5, the compression spring 4 is kept in an extruded state, the ratchet 10 of the ratchet 6 is meshed with the teeth 9 of the curved wheel 3, after the dismounting device finishes dismounting, the compression spring 4 is stretched by unscrewing the locking cover 5, the compression spring 4 does not lock the ratchet 6, the ratchet 10 of the ratchet 6 is not meshed with the teeth 9 of the curved wheel 3, and the curved wheel 3 is restored to an initial state by rotating the curved wheel 3 clockwise.
As shown in fig. 1 to 3, for the convenience of installation and disassembly, the right end of the hydraulic cylinder 2 is hinged to the right end of the fixed connecting plate 1 through a connecting pin 16, and the upper end of the curved wheel 3 is hinged to the telescopic rod 8 of the hydraulic cylinder 2 through the connecting pin 16. In order to facilitate the detachment of the hydraulic cylinder 2 from the curved wheel 3 and the fixed connection plate 1, the hydraulic cylinder 2 is connected with the curved wheel 3 and the fixed connection plate 1 through a connection pin 16.
As shown in fig. 1 to 3, a first liquid inlet hole 17 and a second liquid inlet hole 18 are sequentially formed from left to right above the hydraulic cylinder 2. The hydraulic pipeline of the hydraulic wrench is respectively connected with the first liquid inlet hole 17 and the second liquid inlet hole 18, when the plunger pump gland is disassembled, the control handle starts to be pressed, hydraulic pressure enters from the second liquid inlet hole 18 to push the telescopic rod 8, and the hydraulic wrench has the characteristic that the telescopic rod 8 drives the curved wheel 3 to rotate anticlockwise to form torque conveniently.
The working process of the invention is as follows: before the plunger pump gland is disassembled, a hydraulic pipeline of a hydraulic wrench is respectively connected with a first liquid inlet hole 17 and a second liquid inlet hole 18, the front of the hexagonal fixing shaft 13 is arranged in an inner hexagonal hole on the right gland, the hexagonal fixing shaft 13 is fixed by rotating the limit nut 14, the angle of the limit fixing shaft 7 is adjusted to the front of the hexagonal rotating shaft 11 and is arranged in an inner hexagonal hole on the left gland, and the installation is completed.
When the plunger pump gland is disassembled, the manual high-pressure pump reversing valve is locked, the control handle starts to pressurize, hydraulic pressure enters from the liquid inlet hole II 18 to push the telescopic rod 8, the telescopic rod 8 drives the curved wheel 3 to rotate anticlockwise to form torque, so that the ratchet wheel 6 meshed with the curved wheel 3 is driven to rotate through the torque, the limiting fixed shaft 7 connected with the ratchet wheel 6 in four directions is further driven to rotate, the hexagonal rotating shaft 11 is finally driven to rotate, force is transmitted to the hexagonal hole in the gland through the rotation of the hexagonal rotating shaft 11, the spring 4 is always kept in an extruded state in the process, the ratchet wheel 6 is supported, the ratchet 10 on the ratchet wheel 6 is always meshed with the teeth 9 on the curved wheel 3 to prevent the curved wheel 3 from reversing, the reading value of the pressure gauge gradually rises along with the continuous pressurizing of the control handle, the telescopic rod 8 in the hydraulic cylinder 2 slowly extends out to drive the gland to rotate anticlockwise, when pneumatic cylinder 2 drove 8 anticlockwise rotations of telescopic link, certain contained angle is formed in telescopic link 8 and the place of curved pulley 3 hinged joint, when the contained angle rotated for 36 (figure 3 state), the end was suppressed, open the switching-over valve pressure release, take off the instrument, can lift off the surplus of gland with special spanner and detain, through unscrewing locking lid 5, pull ratchet 6 to the outside, make ratchet 10 of ratchet 6 and the tooth 9 of curved pulley 3 no longer mesh, then clockwise rotation curved pulley 3 can resume instrument initial state.
The rotating direction of the installation gland is opposite to that of the disassembly gland, and the principle is the same.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (9)
1. A device for disassembling and assembling a pressure cover of a plunger pump of a well cementation cement truck is characterized by comprising a fixed connecting plate, a hydraulic cylinder, a curved wheel, a compression spring, a locking cover and a ratchet wheel, wherein the right end of the hydraulic cylinder is hinged and installed at the right end of the fixed connecting plate, a limiting fixed shaft arranged in the front-back direction is fixedly installed at the left end of the fixed connecting plate, the lower end of the curved wheel capable of rotating left and right along the limiting fixed shaft is sleeved at the front side and the back side of the limiting fixed shaft, the upper end of the curved wheel is hinged and installed with a telescopic rod of the hydraulic cylinder, a left positioning device capable of matching with the shape of a pressure cover installation hole is fixedly installed at the back side of the limiting fixed shaft at the back side of the curved wheel, the locking cover is fixedly installed at the front end of the limiting fixed shaft at the front side of the curved wheel, the compression spring and the, the ratchet of the ratchet wheel is meshed with the teeth on the front side surface of the curved wheel, and a right positioning device which can be matched with the shape of the gland mounting hole is fixedly arranged on the right part of the fixed connecting plate corresponding to the left positioning device.
2. A well cementation cement truck plunger pump gland dismounting device according to claim 1, characterized in that the left positioning device comprises a hexagonal rotating shaft which is fixedly installed together with the rear end of the limiting fixed shaft.
3. A well cementation cement truck plunger pump gland dismounting device according to claim 2, characterized in that the hexagonal rotating shaft is provided with a rectangular inner hole, the outer end of the limiting fixed shaft is a cuboid, and the cuboid is sleeved in the rectangular inner hole.
4. A well cementation cement truck plunger pump gland dismounting device according to claim 1, 2 or 3 characterized in that the right positioning device comprises a fixed screw hole sleeve fixed on the right part of the fixed connection plate, a hexagonal fixed shaft and a limit nut, the front part of the hexagonal fixed shaft is fixedly installed in the fixed screw hole sleeve through screw threads, and the hexagonal fixed shaft is sleeved with the limit nut capable of locking the hexagonal fixed shaft on the fixed screw hole sleeve.
5. A well cementation cement truck plunger pump gland dismounting device according to claim 1 or 2 or 3, characterized in that the front end of the limiting fixed shaft at the front side of the curved wheel is fixedly provided with a locking cover through a screw.
6. A well cementation cement truck plunger pump gland dismounting device according to claim 4, characterized in that the front end of the limiting fixed shaft at the front side of the curved wheel is fixedly provided with a locking cover through a screw.
7. A well cementation cement truck plunger pump gland dismounting device according to claim 1 or 2 or 3 or 6, characterized in that the right end of the hydraulic cylinder is hinged at the right end of the fixed connection plate through a connection pin, and the upper end of the curved wheel is hinged together with the telescopic rod of the hydraulic cylinder through a connection pin.
8. a well cementation cement truck plunger pump gland dismounting device according to claim 4, characterized in that the right end of the hydraulic cylinder is hinged at the right end of the fixed connection plate through a connecting pin, and the upper end of the curved wheel is hinged together with the telescopic rod of the hydraulic cylinder through the connecting pin.
9. a well cementation cement truck plunger pump gland dismounting device according to claim 5, characterized in that the right end of the hydraulic cylinder is hinged at the right end of the fixed connection plate through a connection pin, and the upper end of the curved wheel is hinged together with the telescopic rod of the hydraulic cylinder through a connection pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872420.1A CN110561331A (en) | 2019-09-16 | 2019-09-16 | Well cementation cement truck plunger pump gland dismouting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872420.1A CN110561331A (en) | 2019-09-16 | 2019-09-16 | Well cementation cement truck plunger pump gland dismouting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110561331A true CN110561331A (en) | 2019-12-13 |
Family
ID=68780173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910872420.1A Pending CN110561331A (en) | 2019-09-16 | 2019-09-16 | Well cementation cement truck plunger pump gland dismouting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110561331A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677104A (en) * | 2020-12-15 | 2021-04-20 | 中国石油天然气集团有限公司 | Device for taking out hydraulic end gland of plunger pump of well cementation cement truck and using method |
| CN114161126A (en) * | 2021-12-20 | 2022-03-11 | 河南省正龙煤业有限公司 | Dismounting device of large water pump and using method thereof |
| CN116372559A (en) * | 2023-04-21 | 2023-07-04 | 中交第三航务工程局有限公司 | Automatic fastening robot and fastening method for marine wind power tower bolts |
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| CN210757464U (en) * | 2019-09-16 | 2020-06-16 | 中国石油集团西部钻探工程有限公司 | Well cementation cement truck plunger pump gland dismouting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677104A (en) * | 2020-12-15 | 2021-04-20 | 中国石油天然气集团有限公司 | Device for taking out hydraulic end gland of plunger pump of well cementation cement truck and using method |
| CN114161126A (en) * | 2021-12-20 | 2022-03-11 | 河南省正龙煤业有限公司 | Dismounting device of large water pump and using method thereof |
| CN114161126B (en) * | 2021-12-20 | 2022-11-15 | 河南省正龙煤业有限公司 | Dismounting device of large water pump and using method thereof |
| CN116372559A (en) * | 2023-04-21 | 2023-07-04 | 中交第三航务工程局有限公司 | Automatic fastening robot and fastening method for marine wind power tower bolts |
| CN116372559B (en) * | 2023-04-21 | 2023-12-19 | 中交第三航务工程局有限公司 | Automatic fastening robot and fastening method for marine wind power tower bolts |
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