CN107063135A - A kind of new F series slurry pumps crosshead alignment device and aligning method - Google Patents
A kind of new F series slurry pumps crosshead alignment device and aligning method Download PDFInfo
- Publication number
- CN107063135A CN107063135A CN201610999492.9A CN201610999492A CN107063135A CN 107063135 A CN107063135 A CN 107063135A CN 201610999492 A CN201610999492 A CN 201610999492A CN 107063135 A CN107063135 A CN 107063135A
- Authority
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- China
- Prior art keywords
- plate
- crosshead
- datum
- infrared emitting
- emitting instrument
- 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.)
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Links
- 239000002002 slurry Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 15
- 210000004209 hair Anatomy 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001484259 Lacuna Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
Crosshead alignment tool is repaired the present invention relates to oil equipment, and in particular to a kind of new F series slurry pumps crosshead alignment device.On slush pump body, slush pump body is included in same direction the first datum hole, the second datum hole in tandem, and crosshead；Crosshead positioning hole is provided with crosshead；Including a vertically arranged fixed plate, the infrared emitting instrument in fixed plate is movably arranged on, the first datum plate in the first datum hole is installed on, the second datum plate in the second datum hole, and the centering plate being installed in crosshead positioning hole is installed on；Fixed plate, the first datum plate, the second datum plate and centering plate are arranged before and after in the same direction；The center superposition of cross hairs on cross hairs on a plate, the center for the infrared ray cross that infrared emitting instrument is sent and plate is carved with first datum plate, the second datum plate and centering plate respectively.The alignment device can omit measurer, improve operating efficiency.
Description
Technical field
Crosshead alignment tool is repaired the present invention relates to oil equipment, and in particular to a kind of new F series slurry pumps cross
Head alignment device and aligning method.
Background technology
In the repair procedures of serial (F1300, the F1600) slush pumps of F, crosshead centering is a very crucial repairing
Process, if crosshead and the axiality of packing box positioning hole and clack box and pump housing positioning hole, which exceed, allows design deviation value,
Then in actual production, not only piston wear aggravates, and slush pump integrated artistic performance can not ensure.Original crosshead is looked for
Correction method is：
1st, crosshead pull bar is installed in the end of crosshead, it is fixed that pull bar sequentially passes through packing box positioning hole, clack box and the pump housing
Position hole, measurement crosshead pull bar and packing box positioning hole, the surrounding gap width of clack box and pump housing positioning hole；2nd, according to the four of measurement
All gap widths, increase and decrease cross guide plate copper packing, repeat step 1,2.
Due to must assure that the axiality of crosshead, so continuous repeat step 1,2 is needed in original method, it is substantial amounts of to survey
Amount work reduces crosshead centering efficiency.Field statistics shows that skilled maintenance personal's adopting said method carries out a mud
The centering work of pump (3 crossheads) averagely needs 4-6 days, and crosshead centering greatly constrains the repair progress of slush pump,
Centering efficiency must be lifted.
The content of the invention
In order to overcome, above-mentioned prior art crosshead aligning method working strength is big, ineffective defect, the present invention
Purpose be to propose a kind of new F series slurry pumps crosshead alignment device, it can improve existing crosshead centering work effect
Rate, shortens working hours.Another object of the present invention, also provides a kind of new F series slurry pumps crosshead aligning method
To realize above-mentioned technical purpose, the present invention, which is adopted the following technical scheme that, to be achieved.
A kind of new F series slurry pumps crosshead alignment device, on slush pump body, the slush pump body bag
Include the first datum hole, the second datum hole in tandem in the same direction, and crosshead；Crosshead is provided with the crosshead
Positioning hole；The device includes a vertically arranged fixed plate, is movably arranged on the infrared emitting instrument in fixed plate, is installed on institute
The first datum plate in the first datum hole is stated, the second datum plate in second datum hole is installed on, and be installed on described
Centering plate in crosshead positioning hole；The fixed plate, the first datum plate, the second datum plate and centering plate are in the same direction
It is arranged before and after；Cross hairs on a plate is carved with first datum plate, the second datum plate and centering plate respectively, it is described
The center superposition of cross hairs on the center for the infrared ray cross that infrared emitting instrument is sent and plate.
It is preferred that, the fixed plate is fixed on the left end of slush pump body by two levels and the fastener that is oppositely arranged
On face.
It is preferred that, the fastener is bolt or screw.
It is preferred that, the fixed plate is a metallic plate.
It is preferred that, be slidably connected a travelling support in the fixed plate, and a fixed support, institute are connected on the travelling support
Fixed support is stated provided with the infrared emitting instrument.
It is preferred that, the fixed plate be provided with slide rail, the travelling support be provided with sliding block or pulley, the sliding block or
Person's pulley is matched with the slide rail.
It is preferred that, the fixed support is made up of angle steel.
Another object of the present invention comprises the following steps there is provided a kind of new F series slurry pumps crosshead aligning method,
Step 1, fixed plate is fixed on slush pump body；
Step 2, travelling support is installed in fixed plate, fixed support is installed on travelling support, infrared ray is sent out
Instrument is penetrated to be installed on fixed support.
Step 3, the first datum plate is loaded in the first datum hole；
Step 4, infrared emitting instrument is opened, the position of infrared emitting instrument is adjusted by the support that moves about, infrared ray is sent out
Penetrate center and the center superposition of cross hairs on the first datum plate upper plate for the infrared ray cross that instrument is sent.
Step 5, the first datum plate is removed, the second datum plate is arranged in the second datum hole,
Step 6, adjustment infrared emitting instrument position, make the center of the infrared ray cross that infrared emitting instrument sends with it is described
The center superposition of second datum plate upper plate cross hairs.
Step 7, the first datum plate is reinstalled, it is ensured that infrared ray cross and the first datum plate that infrared emitting instrument is sent
Cross hairs overlap, the infrared ray cross that infrared emitting instrument sends is in the center of two datum holes, now, complete
The coaxiality aligning work of infrared emitting instrument；
Step 8, infrared emitting instrument is closed, the first datum plate and the second datum plate is removed, pacified in crosshead positioning hole
Centering plate is filled,
Step 9, infrared emitting instrument is opened, crosshead position is adjusted, the cross on infrared ray cross and centering plate
Untill line is overlapped.
It is preferred that, in step 9, the adjustment is referred specifically to, and the bed course of different-thickness, regulation ten are added in crosshead bottom
Prefix position, until cross hairs is overlapped with infrared ray cross on plate, fastening crosshead and the bolt of slush pump body complete centering
Work.
Beneficial effects of the present invention：The present invention utilizes two-point defined line principle, and two benchmark are obtained by infrared emitting instrument
The center in hole, then centering straight line is determined by the center of two datum holes, the position of crosshead is adjusted according to this centering straight line
Put, it is not necessary to centering pull bar is installed in crosshead end, measurer can be omitted, the skill set requirements of personnel have both been reduced；Reduce into again
This, using simple to operate, greatly save the time of repairing, improves operating efficiency, reduce the labor intensity of staff,
Repairing timeliness is improved, is increased economic efficiency.
Brief description of the drawings
The structural representation of alignment device in Fig. 1 embodiment of the present invention.
In figure：1- fixed plates；2- fasteners；3- moves about support；4- fixed supports；5- infrared emitting instrument；The bases of 6- first
Quasi- hole；The datum plates of 7- first；The datum holes of 8- second；The datum plates of 9- second；10- centering plates；11- crossheads；12- slush pump sheets
Body；.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment 1
As shown in figure 1, a kind of new F series slurry pumps crosshead alignment device provided in an embodiment of the present invention, is arranged on
On slush pump body 12, the slush pump body 12 is included in same direction the first datum hole 6, the second datum hole in tandem
8, and crosshead 11, the crosshead 11 is interior to be provided with crosshead positioning hole.
The alignment device includes a vertically arranged fixed plate 1, is movably arranged on the infrared emitting instrument 5 in fixed plate 1,
The first datum plate 7 in first datum hole 6 is installed on, the second datum plate 9 in second datum hole 8 is installed on, with
And it is installed on the centering plate 10 in the crosshead positioning hole；The fixed plate 1, the first datum plate 7, the second datum plate 9 and
Centering plate 10 is arranged before and after in the same direction；Divide on first datum plate 7, the second datum plate 9 and centering plate 10
It is not carved with cross hairs on a plate, the center for the infrared ray cross that the infrared emitting instrument 5 is sent and plate in cross hairs
The heart is overlapped.
Wherein, the first datum hole 6 is the clack box and pump housing positioning hole that the slush pump body 12 is set；Second datum hole 8
The packing box positioning hole set for the slush pump body 12.
The present invention operation principle be：The present invention utilizes two-point defined line principle, and the first base is obtained by infrared emitting instrument 5
The center of the quasi- datum hole 8 of hole 6 and second, then centering straight line, root are determined by the center of the first datum hole 6 and the second datum hole 8
The position of crosshead 11 is adjusted according to this centering straight line, it is not necessary to centering pull bar is installed in the end of crosshead 11, can the amount of omission
Tool, had both reduced the skill set requirements of personnel；Cost is reduced again, using simple to operate, greatlyd save the time of repairing, is improved
Operating efficiency, reduces the labor intensity of staff, improves repairing timeliness, increases economic efficiency.
Embodiment 2
On the basis of embodiment 1, as shown in figure 1, the fixed plate 1 passes through two levels and the fastener that is oppositely arranged
2 are fixed on the left side of the body of slush pump body 12.Wherein, the fastener 2 can be bolt or screw etc..
The fixed plate 1 is a metallic plate, can be steel plate or alloy sheets etc., and materials are easy, reduces material cost, and
And convenient processing and installation.
In embodiment 3
On the basis of embodiment 1, as shown in figure 1, the travelling support 3 that is slidably connected in the fixed plate 1.
Fixed support 4 described in connection one on the travelling support 3, the fixed support 4 is provided with the infrared emitting
Instrument 5.Slided by the travelling support 3 in the fixed plate 1 so that the position of the infrared emitting instrument 5 can be adjusted.
The fixed plate 1 is provided with slide rail, and the travelling support 3 is provided with sliding block or pulley, the sliding block or cunning
Wheel is matched with the slide rail, the travelling support 3 is slideably positioned on the slide rail.
The fixed support 4 is made up of angle steel, and angle steel materials are easy, reduce material cost.
Embodiment 4
In order to overcome, above-mentioned prior art crosshead aligning method working strength is big, ineffective defect, the present invention
Purpose be to propose a kind of aligning method of the new F series slurry pumps crosshead alignment device based on embodiment 1, including with
Lower step,
Step 1, fixed plate 1 is fixed on slush pump body 12；
Step 2, travelling support 3 is installed in fixed plate 1, fixed support 4 is installed on travelling support 3, will be infrared
Line transmitter 5 is installed on fixed support 4；
Wherein, the installation for support 3 and the fixed plate 1 of moving about, fixed support 4 has the installation of travelling support 3, infrared ray and fixation
The installation of support 4 is carved using existing mounting means, is not described in detail herein.
Step 3, the first datum plate 7 is loaded in the first datum hole 6；
Wherein, the gap 0.03-0.05m of the first datum plate 7 and the first datum hole 6, reserves this gap, convenient to install first
Datum plate 7.
Step 4, infrared emitting instrument 5 is opened, the position of infrared emitting instrument 5 is adjusted by the support 3 that moves about, makes infrared ray
The center for the infrared ray cross that transmitter 5 is sent and the center superposition of cross hairs on the upper plate of the first datum plate 7.
Step 5, the first datum plate 7 is removed, the second datum plate 9 is arranged in the second datum hole 8；
Wherein, the second datum plate 9 and the gap of the second datum hole 8 are 0.03-0.05mm, reserve this gap, convenient to install the
Two datum plates 9.
Step 6, the position of adjustment infrared emitting instrument 5, makes center and the institute for the infrared ray cross that infrared emitting instrument 5 sends
State the center superposition of the upper plate cross hairs of the second datum plate 9.
Step 7, the first datum plate 7 is reinstalled, it is ensured that infrared ray cross and the first benchmark that infrared emitting instrument 5 is sent
The cross hairs of plate 7 is overlapped, and the infrared ray cross for sending infrared emitting instrument 5 is in the center of two datum holes, now,
Complete the coaxiality aligning work of infrared emitting instrument 5；
By step 6 to 7, the infrared ray cross that infrared emitting instrument 5 is sent is in the center of two datum holes, i.e.,
The center of crosshead 11 should be residing centering position., can in order to more accurately obtain centering position during practical operation
Step 4 is repeated several times to 7.
Step 8, infrared emitting instrument 5 is closed, the first datum plate 7 and the second datum plate 9 are removed, in crosshead positioning hole
The centering plate 10 is installed,
Wherein, the centering plate 10 and crosshead positioning interporal lacuna 0.03-0.05mm.
Step 9, infrared emitting instrument 5 is opened, the position of crosshead 11 is adjusted, until infrared ray cross and centering plate 10
On cross hairs overlap untill.
Step 10, position as indicated, the bed course of different-thickness is added in the bottom of crosshead 11, adjusts crosshead 11
Put, until cross hairs is overlapped with infrared ray cross on plate, fastening crosshead 11 and the bolt of slush pump body (12) complete centering
Work.
Wherein, bed course can select iron sheet etc..
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (9)
1. a kind of new F series slurry pumps crosshead alignment device, on slush pump body (12), the slush pump body
(12) it is included in same direction the first datum hole (6), the second datum hole (8) in tandem, and crosshead (11)；Described ten
Crosshead positioning hole is provided with prefix (11)；It is characterized in that：The device includes a vertically arranged fixed plate (1), activity peace
Infrared emitting instrument (5) in fixed plate (1), is installed on the first datum plate (7) in first datum hole (6), peace
Loaded on the second datum plate (9) in second datum hole (8), and the centering plate being installed in the crosshead positioning hole
(10)；The fixed plate (1), the first datum plate (7), the second datum plate (9) and centering plate (10) are front and rear in the same direction
Spread configuration；Cross on a plate is carved with respectively on first datum plate (7), the second datum plate (9) and centering plate (10)
The center superposition of cross hairs on line, the center for the infrared ray cross that the infrared emitting instrument (5) sends and plate.
2. new F series slurry pumps crosshead alignment device according to claim 1, it is characterised in that：The fixed plate (1) is led to
The fastener (2) crossed two levels and be oppositely arranged is fixed on the left side of slush pump body (12).
3. new F series slurry pumps crosshead alignment device according to claim 2, it is characterised in that：The fastener (2) is
Bolt or screw.
4. new F series slurry pumps crosshead alignment device according to claim 1, it is characterised in that：The fixed plate (1) is
One metallic plate.
5. new F series slurry pumps crosshead alignment device according to claim 1, it is characterised in that：The fixed plate
(1) be slidably connected a travelling support (3) on, and a fixed support (4), the fixed support (4) are connected on the travelling support (3)
It is provided with the infrared emitting instrument (5).
6. new F series slurry pumps crosshead alignment device according to claim 5, it is characterised in that：The fixed plate
(1) slide rail is provided with, the travelling support (3) is provided with sliding block or pulley, and the sliding block or pulley are matched with the cunning
Rail.
7. new F series slurry pumps crosshead alignment device according to claim 5, it is characterised in that：The fixed branch
Frame (4) is made up of angle steel.
8. a kind of aligning method of the new F series slurry pumps crosshead alignment device based on described in claim 1, its feature exists
In：Comprise the following steps,
Step 1, fixed plate (1) is fixed on slush pump body (12)；
Step 2, travelling support (3) is installed in fixed plate (1), fixed support (4) is installed on travelling support (3), will
Infrared emitting instrument (5) 5 is installed on fixed support (4).
Step 3, the first datum plate (7) is loaded in the first datum hole (6)；
Step 4, infrared emitting instrument (5) is opened, the position of infrared emitting instrument (5) is adjusted by the support (3) that moves about, is made infrared
The center for the infrared ray cross that line transmitter (5) is sent and the center superposition of cross hairs on the first datum plate (7) upper plate.
Step 5, the first datum plate (7) is removed, the second datum plate (9) is arranged in the second datum hole (8),
Step 6, infrared emitting instrument (5) position is adjusted, makes center and the institute for the infrared ray cross that infrared emitting instrument (5) sends
State the center superposition of the second datum plate (9) upper plate cross hairs.
Step 7, the first datum plate (7) is reinstalled, it is ensured that infrared ray cross and the first benchmark that infrared emitting instrument (5) is sent
The cross hairs of plate (7) is overlapped, and the infrared ray cross for sending infrared emitting instrument (5) is in the center of two datum holes,
Now, the coaxiality aligning work of infrared emitting instrument (5) is completed；
Step 8, infrared emitting instrument (5) is closed, the first datum plate (7) and the second datum plate (9) are removed, in crosshead positioning hole
Interior installation centering plate (10),
Step 9, infrared emitting instrument (5) is opened, crosshead (11) position is adjusted, until on infrared ray cross and centering plate (10)
Cross hairs overlap untill.
9. new F series slurry pumps crosshead aligning method according to claim 8, it is characterised in that：In step 9,
The adjustment is referred specifically to, and the bed course of different-thickness is added in crosshead (11) bottom, crosshead (11) position is adjusted, until on plate
Cross hairs is overlapped with infrared ray cross, fastening crosshead (11) and the bolt of slush pump body (12), completes centering work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610999492.9A CN107063135B (en) | 2016-11-14 | 2016-11-14 | Novel F-series slurry pump crosshead alignment device and alignment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610999492.9A CN107063135B (en) | 2016-11-14 | 2016-11-14 | Novel F-series slurry pump crosshead alignment device and alignment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107063135A true CN107063135A (en) | 2017-08-18 |
| CN107063135B CN107063135B (en) | 2020-05-22 |
Family
ID=59619367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610999492.9A Active CN107063135B (en) | 2016-11-14 | 2016-11-14 | Novel F-series slurry pump crosshead alignment device and alignment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107063135B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11188419A (en) * | 1997-12-26 | 1999-07-13 | Ykk Corp | Aligning method for extruder |
| US20050237517A1 (en) * | 2004-04-27 | 2005-10-27 | Santa Barbara Infrared, Inc. | Optical alignment method and system |
| CN202719963U (en) * | 2012-06-06 | 2013-02-06 | 沈阳飞机工业（集团）有限公司 | Self-centering integrated measuring head device of hole series part coaxiality measurement |
| CN202719964U (en) * | 2012-06-06 | 2013-02-06 | 沈阳飞机工业（集团）有限公司 | Laser automatic alignment device |
| CN202915894U (en) * | 2012-10-23 | 2013-05-01 | 马鞍山马钢设备安装工程有限公司 | Device for measuring coaxiality of trunnions of converter backing ring |
| CN103712558A (en) * | 2013-12-18 | 2014-04-09 | 中国原子能科学研究院 | Centering measurement method and device for convolute accelerator axial injection line |
| CN104316001A (en) * | 2014-10-08 | 2015-01-28 | 南京航空航天大学 | Non-reference hole coaxiality error measurement system and measurement method thereof |
| CN206160964U (en) * | 2016-11-14 | 2017-05-10 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Novel F series slush pump cross head alignment device |
-
2016
- 2016-11-14 CN CN201610999492.9A patent/CN107063135B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11188419A (en) * | 1997-12-26 | 1999-07-13 | Ykk Corp | Aligning method for extruder |
| US20050237517A1 (en) * | 2004-04-27 | 2005-10-27 | Santa Barbara Infrared, Inc. | Optical alignment method and system |
| CN202719963U (en) * | 2012-06-06 | 2013-02-06 | 沈阳飞机工业（集团）有限公司 | Self-centering integrated measuring head device of hole series part coaxiality measurement |
| CN202719964U (en) * | 2012-06-06 | 2013-02-06 | 沈阳飞机工业（集团）有限公司 | Laser automatic alignment device |
| CN202915894U (en) * | 2012-10-23 | 2013-05-01 | 马鞍山马钢设备安装工程有限公司 | Device for measuring coaxiality of trunnions of converter backing ring |
| CN103712558A (en) * | 2013-12-18 | 2014-04-09 | 中国原子能科学研究院 | Centering measurement method and device for convolute accelerator axial injection line |
| CN104316001A (en) * | 2014-10-08 | 2015-01-28 | 南京航空航天大学 | Non-reference hole coaxiality error measurement system and measurement method thereof |
| CN206160964U (en) * | 2016-11-14 | 2017-05-10 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Novel F series slush pump cross head alignment device |
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| Publication number | Publication date |
|---|---|
| CN107063135B (en) | 2020-05-22 |
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Effective date of registration: 20211014 Address after: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: Room 1902, Changqing building, 151 Weiyang Road, Xi'an, Shaanxi 710018 Patentee before: CNPC CHUANQING DRILLING ENGINEERING CO., LTD. CHANGQING WELL DRILLING GENERAL Co. |