CN116551439A - Centering structure and method for rapidly installing valve box boring, milling and grinding repair device - Google Patents
Centering structure and method for rapidly installing valve box boring, milling and grinding repair device Download PDFInfo
- Publication number
- CN116551439A CN116551439A CN202310718296.XA CN202310718296A CN116551439A CN 116551439 A CN116551439 A CN 116551439A CN 202310718296 A CN202310718296 A CN 202310718296A CN 116551439 A CN116551439 A CN 116551439A
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- China
- Prior art keywords
- centering
- valve box
- base
- milling
- horizontal base
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- 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
- 238000003801 milling Methods 0.000 title claims abstract description 37
- 238000000227 grinding Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 34
- 238000005553 drilling Methods 0.000 claims abstract description 8
- 210000000078 claw Anatomy 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Abstract
The invention provides a centering structure and a centering method for a quick-mounting valve box boring, milling and grinding repairing device, relates to the technical field of repairing of drilling mud pump valve boxes, and aims to solve the technical problems of complicated field mounting, centering and debugging, high mounting difficulty and long time consumption of the existing boring, milling and grinding repairing device in the prior art. The structure comprises a centering shaft, a centering chuck component and a horizontal base, wherein the centering shaft is arranged on a cutter head of the repairing device, and the axis of the centering shaft is collinear with the axis of the cutter head; the centering chuck component is arranged in the valve box, a centering bearing is arranged in the central area of the centering chuck component, and the centering bearing is matched with the centering shaft; the horizontal base is arranged on the valve box and is used for supporting the installation base of the repairing device, the horizontal base and the installation base position the horizontal direction of the repairing device, and when the centering shaft is inserted into the aligning bearing and the installation base is supported on the horizontal base, the centering of the repairing device can be realized. The centering device can quickly realize centering of the boring, milling and grinding repairing device, and improves the installation efficiency.
Description
Technical Field
The invention relates to the technical field of repair of drilling mud pump valve boxes, in particular to a centering structure and method for quickly installing a valve box boring, milling and grinding repair device.
Background
The drilling mud pump is an important device for oil and gas exploration and development, and a sealing step of a gland of a hydraulic end valve box is repeatedly eroded by high-pressure mud in operation, so that the sealing performance is invalid, and the pump is required to be stopped for maintenance.
The utility model discloses a drilling mud pump valve box on-the-spot online boring and milling prosthetic devices of bulletin number is CN205834300U, including the main shaft, the main shaft upper end is connected with the motor, the lower extreme is with compound blade disc rigid coupling, compound blade disc circumference is equipped with a plurality of alloy cutters, main shaft overcoat pipe is adorned on the main shaft and still be equipped with the main shaft bearing between the two, main shaft overcoat upper end and motor rigid coupling, the cover is equipped with feed adjustment endotheca on the main shaft outer wall, feed adjustment endotheca rigid coupling is on the main shaft overcoat, feed adjustment endotheca lower extreme threaded connection is in feed adjustment overcoat, feed adjustment overcoat lower extreme and base center sleeve connection, base center sleeve lower extreme rigid coupling has base mounting base plate, base mounting base plate and the concentric rigid coupling of ring flange of mud pump valve box are in the same place. The on-site on-line disassembly-free boring, milling and grinding processing repair is realized.
The existing boring, milling and grinding repairing device is generally in a centering mode, the device can be installed after repeated debugging for a plurality of times, and the device is possibly installed at other positions due to abrasion on site without installation positions, so that accuracy and installation speed are affected.
The applicant found that the prior art has at least the following technical problems:
the existing boring, milling and grinding repair device is complex in field installation and centering debugging, low in installation accuracy, high in installation difficulty and long in time consumption.
Disclosure of Invention
The invention aims to provide a centering structure and a centering method for quickly installing a valve box boring, milling and grinding repair device, so as to solve the technical problems of complicated field installation, centering and debugging, high installation difficulty and long time consumption of the existing boring, milling and grinding repair device in the prior art. The preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides a centering structure of a quick-mounting valve box boring, milling and grinding repair device, which comprises a centering shaft, a centering chuck component and a horizontal base, wherein the centering shaft is mounted on a cutter head of the repair device, and the axis of the centering shaft is collinear with the axis of the cutter head; the centering chuck component is arranged in the valve box, and a centering bearing is arranged in the central area of the centering chuck component; the horizontal base is arranged on the valve box and used for supporting the installation base of the repairing device, the horizontal base and the installation base position the horizontal direction of the repairing device, and when the centering shaft is inserted into the centering bearing and the installation base is supported on the horizontal base, the centering of the repairing device can be realized.
Further, the mounting base is provided with strip-shaped holes, the strip-shaped holes are distributed along the circumferential direction of the mounting base, the strip-shaped holes extend along the radial direction of the mounting base, the horizontal base is provided with screws, each strip-shaped hole corresponds to one screw, and nuts are arranged on the screws.
Further, the horizontal base is a magnetic base, a base switch is arranged on the horizontal base, and when the base switch is opened, the horizontal base can be adsorbed on the valve box.
Further, the number of the horizontal bases is two, and the two horizontal bases are arranged on two sides of the repairing device.
Further, the centering chuck component comprises a claw, and the end face of one end of the claw, extending out of the outer side face of the centering chuck component, is an arc-shaped face.
Further, one end of the centering shaft, which is far away from the cutterhead, is a tip.
Further, the centering shaft is detachably connected with the cutterhead.
A method for centering a boring, milling and grinding repairing device of a drilling mud pump valve box comprises the following steps of adopting a centering structure of the boring, milling and grinding repairing device of the rapid installation valve box to perform centering operation on the insertion of the repairing device into the valve box:
installing a centering chuck component in a valve box, arranging a horizontal base on the valve box, and installing a centering shaft on a cutter head of a repairing device;
vertically inserting a centering shaft into a centering bearing on the centering chuck assembly;
supporting the mounting base of the repairing device on the horizontal base, and enabling a screw rod on the horizontal base to pass through a corresponding strip-shaped hole on the horizontal base;
fixing a mounting base on the horizontal base;
the cutter disc and the centering shaft are pulled up and down, and the horizontal base is fixed on the valve box.
The invention can produce the following technical effects: the invention provides a centering structure for rapidly installing a valve box boring, milling and grinding repair device. The centering bearing is arranged on the centering chuck component, so that the centering shaft on the cutterhead of the repairing device is convenient to insert; because the horizontal base and the mounting base position the horizontal direction of prosthetic devices, when aligning the bearing and placing on the horizontal base, can realize boring and milling and grind prosthetic devices's centering.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a centering structure provided by an embodiment of the invention mounted on a valve housing in combination with a boring, milling and repairing device;
fig. 2 is a schematic structural diagram (only a part of the repairing device is shown) of the centering structure provided by the embodiment of the invention and the repairing device is installed on the valve box in cooperation with boring, milling and grinding.
In the figure 1, a centering shaft; 2. centering the chuck assembly; 3. a horizontal base; 4. a cutterhead; 5. a valve box; 6. aligning the bearing; 7. a mounting base; 8. a bar-shaped hole; 9. a screw; 10. and (3) clamping jaws.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
When the drilling mud pump is repaired, a boring, milling and grinding repairing device is generally adopted, the existing boring, milling and grinding repairing device is usually used for surface beating and centering, the installation can be completed after repeated debugging for a plurality of times, the installation and centering debugging are complex, the installation precision is low, the installation difficulty is high, and the time consumption is long.
Based on the centering structure, the centering structure for quickly installing the valve box boring, milling and grinding repair device can quickly realize centering of the boring, milling and grinding repair device and improve installation efficiency. With respect to the centering structure, the following is specific: the device comprises a centering shaft 1, a centering chuck component 2 and a horizontal base 3, wherein the centering shaft 1 is arranged on a cutterhead 4 of the repairing device, and the axis of the centering shaft 1 is collinear with the axis of the cutterhead 4; the centering chuck component 2 is installed in the valve box 5, and the centering bearing 6 is installed in the central area of the centering chuck component 2; the horizontal base 3 is arranged on the valve box 5 and is used for supporting the installation base 7 of the repairing device, the horizontal base 3 and the installation base 7 position the horizontal direction of the repairing device, and when the centering shaft 1 is inserted into the aligning bearing 6 and the installation base 7 is supported on the horizontal base 3, the centering of the repairing device can be realized.
When the upper and lower end surfaces of the inner ring of the self-aligning bearing 6 are horizontal, the central axis of the self-aligning bearing 6 is collinear with the central axis of the centering chuck member 2. The centering shaft 1 is inserted by mounting a centering bearing 6 on the centering chuck assembly 2. When the centering shaft 1 is inserted into the centering bearing 6, the inner ring of the centering bearing 6 may incline, and because of the horizontal direction of the horizontal base 3 and the installation base positioning repairing device, when the centering bearing 6 is placed on the horizontal base 3, the upper end surface and the lower end surface of the centering bearing 5 are turned to be in a horizontal state, so that the centering of the repairing device is realized.
Namely, the quick centering of the boring, milling and grinding repairing device can be realized through the aligning bearing 6 and the limit of the horizontal direction between the horizontal base 3 and the mounting base.
Regarding the centering chuck member 2, the structural principle is the same as that of the existing lathe centering chuck except that the centering bearing 6 is mounted to the center hole of the centering chuck, and the claws of the centering chuck protrude outward and abut against the hole wall of the valve housing 5 to fix the centering chuck member 2 to the valve housing 5.
With respect to the jaws of the centering chuck member 2, the centering chuck generally comprises three jaws 10, and the end face of the end of the jaw 10 extending beyond the outer side face of the centering chuck member 2 is provided with an arcuate face which facilitates engagement with the wall of the bore in the valve housing 5.
Regarding the "horizontal direction of the horizontal base 3 and the mounting base positioning repairing device", that is, the upper and lower end surfaces of the horizontal base 3 need to be machined into a horizontal plane with high precision, the surface of the mounting base 7 in contact with the horizontal base 3 needs to be machined into a horizontal plane with high precision, so that when the mounting base 7 of the repairing device is placed on the horizontal base 3, the precision of the horizontal direction of the repairing device can be ensured.
By adopting the centering structure provided by the invention, the centering of the boring, milling and grinding repairing device can be realized rapidly, the installation efficiency is improved, and the difficult problem of the trouble of centering the boring, milling and grinding repairing device is solved.
In addition, with respect to the valve box 5 in fig. 1 and 2, only a simple schematic is provided; fig. 2 also illustrates a portion of the prosthetic device.
As for the specific connection structure of the mounting base 7 and the horizontal base 3, the following is preferable: the mounting base 7 is provided with strip-shaped holes 8, the strip-shaped holes 8 are distributed along the circumferential direction of the mounting base 7, the strip-shaped holes 8 extend along the radial direction of the mounting base 7, the horizontal base 3 is provided with screw rods 9, each strip-shaped hole 8 corresponds to one screw rod 9, and nuts are arranged on the screw rods 9.
Referring to fig. 2, the horizontal bases 3 may be provided in two, and two horizontal bases 3 are provided at both sides of the prosthetic device. Of course, the number of the horizontal bases 3 is not limited to two, but may be three or more and uniformly distributed in the circumferential direction of the repair device. Each horizontal base 3 is provided with a screw rod 9, and the number of the strip-shaped holes 8 on the mounting base 7 is consistent with that of the screw rods 9.
Referring to fig. 2, two bar-shaped holes 8 are schematically formed in the mounting base 7, the number of the horizontal bases 3 is two, during mounting, screws 9 on the two horizontal bases 3 are respectively inserted into the corresponding bar-shaped holes 8, and nuts are screwed on the screws 9, so that the mounting base 7 is fixed on the horizontal base 3.
Regarding the horizontal base 3, the horizontal base 3 is a magnetic base, a base switch is provided on the horizontal base 3, and when the base switch is turned on, the horizontal base 3 can be attracted to the valve housing 5. When the debugging is finished, i.e. the centering of the repairing device is finished, the base switch is operated, so that the horizontal base 3 is fixed on the valve box 5.
With respect to the centering shaft 1, the end of the centering shaft 1 remote from the cutterhead 4 is pointed. Referring to fig. 1, the free end of the centring shaft 1 is shown as a pointed end, by which the centring shaft 1 is conveniently inserted into the centring bearing 6.
The centering shaft 1 is detachably connected with the cutterhead 4, and the specific detachable connection structure of the centering shaft 1 and the cutterhead 4 is only required by adopting the prior art, and the invention is not specifically stated.
A method for centering a boring, milling and grinding repair device of a drilling mud pump valve box comprises the following steps of centering the insertion of the repair device into the valve box by adopting a centering structure for quickly installing the boring, milling and grinding repair device of the valve box:
the centering chuck component 2 is installed in the valve box 5, the horizontal base 3 is arranged on the valve box 5, and the centering shaft 1 is installed on the cutter head 4 of the repairing device;
a centering shaft 1 is vertically inserted into a centering bearing 6 on the centering chuck member 2;
supporting the mounting base 7 of the repairing device on the horizontal base 3, and allowing the screw 9 on the horizontal base 3 to pass through the strip-shaped hole 8 on the corresponding horizontal base 3;
fixing the mounting base 7 to the horizontal base 3;
the cutterhead 4 and the centering shaft 1 are pulled up and down, and the horizontal base 3 is fixed on the valve box 5.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The centering structure of the quick-mounting valve box boring, milling and grinding repair device is characterized by comprising a centering shaft (1), a centering chuck component (2) and a horizontal base (3), wherein,
the centering shaft (1) is arranged on a cutterhead (4) of the repairing device, and the axis of the centering shaft (1) is collinear with the axis of the cutterhead (4); the centering chuck component (2) is arranged in the valve box (5), and a centering bearing (6) is arranged in the central area of the centering chuck component (2); the horizontal base (3) is arranged on the valve box (5) and is used for supporting the installation base (7) of the repairing device, the horizontal base (3) and the installation base (7) are used for positioning the horizontal direction of the repairing device, and when the centering shaft (1) is inserted into the centering bearing (6) and the installation base (7) is supported on the horizontal base (3), the centering of the repairing device can be realized.
2. The centering structure of the rapid installation valve box boring, milling and grinding repair device according to claim 1, wherein strip-shaped holes (8) are formed in the installation base (7), the strip-shaped holes (8) are distributed along the circumferential direction of the installation base (7), the strip-shaped holes (8) extend along the radial direction of the installation base (7), a screw (9) is arranged on the horizontal base (3), each strip-shaped hole (8) corresponds to one screw (9), and nuts are arranged on the screws (9).
3. The centering structure of the rapid installation valve box boring, milling and grinding repair device according to claim 1, wherein the horizontal base (3) is a magnetic base, a base switch is arranged on the horizontal base (3), and when the base switch is turned on, the horizontal base (3) can be adsorbed on the valve box (5).
4. The centering structure of a quick-mounting valve box boring, milling and grinding repair device according to claim 1, wherein two horizontal bases (3) are arranged on two sides of the repair device.
5. The centering structure of the quick-mounting valve box boring, milling and repairing device according to claim 1, wherein the centering chuck component (2) comprises a claw (10), and an end face of one end of the claw (10) extending out of the outer side face of the centering chuck component (2) is an arc face.
6. The centering structure of the quick-mounting valve box boring, milling and repairing device according to claim 1, wherein one end of the centering shaft (1) far away from the cutter head (4) is a tip.
7. The centering structure of the quick-mounting valve box boring, milling and grinding repair device according to claim 1, wherein the centering shaft (1) is detachably connected with the cutterhead (4).
8. A method for centering a drilling mud pump valve box boring, milling and grinding repair device, comprising the step of centering the insertion of the repair device into the valve box by adopting the centering structure of the rapid installation valve box boring, milling and grinding repair device as set forth in any one of claims 1 to 7:
installing a centering chuck component (2) in a valve box (5), arranging a horizontal base (3) on the valve box (5), and installing a centering shaft (1) on a cutter head (4) of the repairing device;
-vertically inserting a centering shaft (1) into a centering bearing (6) on said centering chuck assembly (2);
supporting a mounting base (7) of the repairing device on the horizontal base (3), and enabling a screw rod (9) on the horizontal base (3) to pass through a strip-shaped hole (8) on the corresponding horizontal base (3);
fixing a mounting base (7) on the horizontal base (3);
the cutterhead (4) and the centering shaft (1) are pulled up and down, and the horizontal base (3) is fixed on the valve box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310718296.XA CN116551439A (en) | 2023-06-16 | 2023-06-16 | Centering structure and method for rapidly installing valve box boring, milling and grinding repair device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310718296.XA CN116551439A (en) | 2023-06-16 | 2023-06-16 | Centering structure and method for rapidly installing valve box boring, milling and grinding repair device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116551439A true CN116551439A (en) | 2023-08-08 |
Family
ID=87494866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310718296.XA Pending CN116551439A (en) | 2023-06-16 | 2023-06-16 | Centering structure and method for rapidly installing valve box boring, milling and grinding repair device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116551439A (en) |
-
2023
- 2023-06-16 CN CN202310718296.XA patent/CN116551439A/en active Pending
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