CN107791201A - Plunger pump framework oil seal dismounting device and dismounting method thereof - Google Patents
Plunger pump framework oil seal dismounting device and dismounting method thereof Download PDFInfo
- Publication number
- CN107791201A CN107791201A CN201610758066.6A CN201610758066A CN107791201A CN 107791201 A CN107791201 A CN 107791201A CN 201610758066 A CN201610758066 A CN 201610758066A CN 107791201 A CN107791201 A CN 107791201A
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- groove
- cart
- ring
- drag hook
- pull
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000002459 sustained effect Effects 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 63
- 238000007789 sealing Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a device and a method for disassembling an oil seal of a plunger pump framework. The dismounting device comprises a pull sleeve; the draw hook horizontal groove is arranged on the outer side surface, close to the first end surface of the draw sleeve, parallel to the central line of the draw sleeve; the horizontal groove of drag hook includes: the first groove and the second groove are perpendicular to the central line of the pull sleeve, and the third groove is communicated with the first groove and the second groove and is parallel to the central line of the pull sleeve; the first groove and the second groove are positioned on two sides of a straight line where the third groove is positioned, or the first groove, the second groove and the third groove form an I shape; a retractor, comprising: the first section can be arranged in the first groove, the third section which is connected with the first section and can be arranged in the third groove, and the second section which is connected with the third section and can be arranged in the second groove; the three are mutually vertical in pairs; and the check ring is sleeved on the outer side surface of the pull sleeve, moves along the central line of the pull sleeve, blocks the second groove and is fixed. When the dismounting device is used for dismounting the framework oil seal, the plunger pump connecting rod cannot be damaged.
Description
Technical field
The present invention relates to oil field equipment maintenance technique field, more particularly to a kind of plunger pump outside framework oil seal provision for disengagement and its
Method for dismounting.
Background technology
At present, as oil field is persistently exploited, strata pressure constantly rises, and many oil fields are that stratum supplements energy from plunger pump
Amount.
Operationally outside framework oil seal is worn plunger pump in crankcase by connecting rod, the phenomenon of oil leak often occurs, such as
Changing outside framework oil seal not in time can then cause lubricating oil in crankcase to reduce, and crankcase can be caused to grind watt accident when serious and occurred.
When oil sealing is changed at scene, the instruments such as screwdriver need to be used, which outwards to prize, could take out outside framework oil seal.
During the present invention is realized, inventor has found that prior art at least has problems with：Change skeleton in scene
During oil sealing, when outwards prizing outside framework oil seal using instruments such as screwdrivers, connecting rod surface tear is often caused, in this situation
Down, it is necessary to which outside framework oil seal and connecting rod are together changed, this adds increased the maintenance cost of plunger pump.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of plunger pump outside framework oil seal provision for disengagement and its dismounting side
Method so that when changing outside framework oil seal, connecting rod surface will not be damaged.Technical scheme is as follows：
One aspect of the present invention provides a kind of plunger pump outside framework oil seal provision for disengagement, including,
The pipe bodily form is helped pull a cart；
At least one drag hook hugging, at least one drag hook hugging be positioned close to the first end face helped pull a cart with
On the lateral surface of the centerline parallel helped pull a cart；Wherein described drag hook hugging includes：Perpendicular to the center line helped pull a cart
First groove and the second groove, and connect first groove and second groove and with the center line for helping pull a cart (1)
The 3rd parallel groove；First groove, second groove and the 3rd groove are all strip, and described first
The both sides of straight line where groove and second groove are located at the 3rd groove, or first groove, second groove
" work " font is formed with the 3rd groove；
The drag hook being arranged in the drag hook hugging, the drag hook include：The first paragraph that can be placed in first groove,
Be connected and can be placed in the 3rd groove with the first paragraph the 3rd section and it is connected with described 3rd section and institute can be placed in
State the second segment in the second groove；The first paragraph, the second segment and it is described 3rd section it is orthogonal two-by-two；And
The back-up ring for the pipe bodily form being set on the lateral surface of the centerline parallel helped pull a cart, and the back-up ring can edge
The center line helped pull a cart is mobile and blocks fixed after second groove.
In the preferred embodiment of the present invention, the quantity of the drag hook hugging is two；And helped pull a cart described
Center line sustained height at be uniformly arranged successively.
In the preferred embodiment of the present invention, the first end face helped pull a cart and the center line institute shape helped pull a cart
Into angle be 30 °.
In the preferred embodiment of the present invention, the opening position where second groove helped pull a cart is provided with outer spiral shell
Line；The back-up ring is provided with the internal thread being engaged with the external screw thread helped pull a cart；Described help pull a cart is threadedly coupled with the back-up ring.
In the preferred embodiment of the present invention, the institute in second groove near and away from the first end face
State and projection is provided with the lateral surface helped pull a cart；The back-up ring is provided with and can led on the medial surface of the lateral surface helped pull a cart
Cross the groove of the projection.
In a kind of more preferably embodiment of the present invention, described help pull a cart coordinates with the back-up ring gap.
In a kind of more preferably embodiment of the present invention, the number of projection is two, and is helped pull a cart along described
Center line symmetrical setting.
In the preferred embodiment of the present invention, the lateral surface with the centerline parallel of the back-up ring of the back-up ring
On be provided with handle.
Another aspect of the present invention provides a kind of provision for disengagement using above-described embodiment and dismantles plunger pump outside framework oil seal
Method, comprise the following steps,
The first paragraph of the drag hook and described 3rd section are first respectively placed in the described first recessed of the drag hook hugging
In groove and the 3rd groove；
Then it will help pull a cart and be enclosed on plunger pump connecting link described in the provision for disengagement, being helped pull a cart described in promotion makes described help pull a cart
First end face through outside framework oil seal cutting edge reach outside framework oil seal bottom,
The drag hook is rotated by 90 ° again, the second segment is placed in the second groove of the drag hook hugging, described in movement
Back-up ring is to the second segment for blocking the drag hook in second groove and the second groove；
It is finally that the back-up ring is fixed, the back-up ring is pulled, i.e., is dismantled outside framework oil seal from plunger pump connecting link
Get off.
In the preferred embodiment of the present invention, the opening position where second groove helped pull a cart is provided with outer spiral shell
Line；The back-up ring is provided with the internal thread being engaged with the external screw thread helped pull a cart；
The movement back-up ring to the second segment for blocking the drag hook in second groove and the second groove is：Will
Direction precession of the back-up ring to second groove to the back-up ring is blocked described in second groove and the second groove
The second segment of drag hook.
The beneficial effect of technical scheme provided in an embodiment of the present invention is：Use a kind of plunger pump skeleton provided by the invention
When oil seal demounting device dismantles outside framework oil seal, the connecting rod of plunger pump, and unloading process simple and fast will not be damaged, can be achieved
The quick-replaceable of outside framework oil seal.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structural representation for plunger pump outside framework oil seal provision for disengagement that an embodiment of the present invention provides；
Fig. 2 is a kind of use state figure for plunger pump outside framework oil seal provision for disengagement that an embodiment of the present invention provides；
Fig. 3 is a kind of structural representation for plunger pump outside framework oil seal provision for disengagement that another embodiment of the present invention provides；
Fig. 4 is the structural representation of drag hook in a kind of plunger pump outside framework oil seal provision for disengagement that an embodiment of the present invention provides
Figure；
Fig. 5 to Fig. 7 is drag hook hugging in a kind of plunger pump outside framework oil seal provision for disengagement that an embodiment of the present invention provides
Structural representation；
Fig. 8 is a kind of sectional view for plunger pump outside framework oil seal provision for disengagement that another embodiment of the present invention provides；
Fig. 9 is the part-structure schematic diagram of the oil sealing box of plunger pump；
Figure 10 is the structural representation of outside framework oil seal；
Reference in figure represents respectively：
1st, help pull a cart；11st, the first end face helped pull a cart；12nd, the lateral surface helped pull a cart；13rd, projection；2nd, back-up ring；21st, the inner side of back-up ring
Face；22nd, groove；3rd, drag hook hugging；31st, the first groove；32nd, the second groove；33rd, the 3rd groove；4th, drag hook；41st, first paragraph；
42nd, second segment；43rd, the 3rd section；5th, handle；6th, plunger pump connecting link；7th, outside framework oil seal；71st, the cutting edge of outside framework oil seal；Skeleton oil
The bottom 72 of envelope.
Embodiment
To make technical scheme and advantage clearer, embodiment of the present invention is made below in conjunction with accompanying drawing into
One step it is described in detail.
In the first aspect of the present invention, the invention provides a kind of plunger pump outside framework oil seal provision for disengagement.Such as Fig. 1 and Fig. 4
It is shown, a kind of plunger pump outside framework oil seal provision for disengagement (hereinafter referred to as provision for disengagement), comprise at least, the pipe bodily form helps pull a cart 1；Extremely
A few drag hook hugging 3, at least one drag hook hugging 3 be positioned close to help pull a cart 1 first end face 11 with help pull a cart 1 center line
On parallel lateral surface 12；Wherein drag hook hugging 3 includes：Perpendicular to help pull a cart 1 center line the first groove 31 and the second groove
32, and connection the first groove 31 and the second groove 32 and with help pull a cart 1 centerline parallel the 3rd groove 33；First groove
31st, the second groove 32 and the 3rd groove 33 are all strip, and the first groove 31 and the second groove 32 are located at the 3rd groove 33
The both sides of place straight line, or the first groove 31, the second groove 32 and the 3rd groove 33 form " work " font；It is arranged at drag hook hugging
Drag hook 4 in 3, drag hook 4 include：The first paragraph 41 that can be placed in the first groove 31, it is connected with first paragraph 41 and can be placed in the 3rd
The 3rd section 43 in groove 33 and with the 3rd section of 43 second segment 42 that is connected and can be placed in the second groove 32；First paragraph 41,
Second segment 42 and the 3rd section 43 it is orthogonal two-by-two；And be set in help pull a cart 1 centerline parallel lateral surface 12 on pipe
The back-up ring 2 of the bodily form, and back-up ring 2 can be moved and blocked after the second groove 32 by fixed (such as Fig. 2 along 1 center line of helping pull a cart
It is shown).
When using a kind of plunger pump outside framework oil seal provision for disengagement provided by the invention, first by the He of first paragraph 41 of drag hook 4
It is respectively placed in for 3rd section 43 in the first groove 31 and the 3rd groove 33 of drag hook hugging 3, now, the second segment 42 of drag hook 4 is with drawing
Second groove 32 of hook hugging 3 is vertical；Then the provision for disengagement is enclosed on plunger pump connecting link 6 (as shown in Figure 9), and to bone
Position where frame oil sealing 7 promotes, until 1 first end face 11 of helping pull a cart arrives through the cutting edge 71 (as shown in Figure 10) of outside framework oil seal
Up to the bottom 72 of outside framework oil seal；Drag hook 4 is rotated by 90 ° again, the second segment 42 of drag hook 4 is placed in the second groove of drag hook hugging 3
In 32, by 90 ° of rotations, the first paragraph 41 of drag hook 4 is perpendicular to the first groove 31 of drag hook hugging 3, and the first paragraph of drag hook 4
41 catch on outside framework oil seal 7, and mobile back-up ring 2 is to the second groove 32 is blocked, now because back-up ring 2 shelters from the second groove 32 so that
The second segment 42 of drag hook 4 remains stationary as in the second groove 32, that is to say, that drag hook 4 remains stationary as；Finally by back-up ring 2 relative to
Help pull a cart 1 fixed, pull back-up ring 2, you can unload outside framework oil seal 7 from plunger pump connecting link 6 down.Come from using process
See, the provision for disengagement will not damage plunger pump connecting link, and unloading process simple and fast when dismantling oil tight skeleton, can be real
The quick-replaceable of existing outside framework oil seal.
It should be noted that as shown in Figs. 5 to 7, drag hook hugging 3 of the invention is divided for the first groove 31, the second recessed 32 and
3rd groove 33, as shown in figure 4, drag hook 4 divides for first paragraph the 41, the 2nd 42 and the 3rd section 43, it is only for conveniently clearly
The first groove, the second recessed and the 3rd groove for the drag hook hugging 3 for describing and defining, and the first paragraph of drag hook 4, second and the 3rd
Section, not as the restriction to technical solution of the present invention protection domain.As shown in Figure 1 to Figure 3,1 first end face 11 of helping pull a cart is
Fig. 1 helped pull a cart into Fig. 31 left side, the first end face for being also intended merely to the clear and definite and convenient of statement herein and defining.
It should be further stated that the present invention is not specifically limited, only for 1 annexation with back-up ring 2 of helping pull a cart
The second segment 42 that back-up ring 2 can be realized can make to be placed in drag hook 4 in the second groove 32 of drag hook hugging 3 remains stationary as, even if drawing
Drag hook 4 remains stationary as when hook 4 catches on outside framework oil seal, and back-up ring 2 can drive the provision for disengagement campaign, so as to by outside framework oil seal
Unloaded down from plunger pump connecting link.
In order to strengthen the cooperation helped pull a cart between 1 and back-up ring 2, so as to facilitate operating personnel to use the provision for disengagement, it is preferable that
The opening position where 1 the second groove 32 of helping pull a cart is provided with external screw thread；Back-up ring 2 is provided with to be engaged with 1 external screw thread of helping pull a cart
Internal thread；Help pull a cart and 1 be threadedly coupled with back-up ring 2.So structure design can meet that back-up ring 2 shelters from the second groove 32, and spiral shell
Line connection can be such that back-up ring 21 is remained stationary as relative to helping pull a cart.
, can be with so as to facilitate operating personnel to use the provision for disengagement in order to strengthen the cooperation helped pull a cart between 1 and back-up ring 2
Preferably, as shown in figures 3 and 8, set on the lateral surface 12 of helping pull a cart 1 of second groove 32 near and away from first end face 11
There is projection 13；Back-up ring 2 close to help pull a cart 1 lateral surface 12 medial surface 21 on be provided with can be by the groove 22 of projection 13.Make
Used time, back-up ring 2 is promoted to pass through projection 13, you can to shelter from the second groove 32, back-up ring 2 is turned an angle, make projection 13
Back-up ring 2 is blocked, then pulls back-up ring 2, back-up ring is driven the motion of whole dismounting device；More preferably, help pull a cart and 1 match somebody with somebody with the gap of back-up ring 2
Close, make to help pull a cart 1, back-up ring 2 and plunger pump connecting link it is concentric, will not be relative to plunger pump connecting link when pulling the provision for disengagement
Glance off.
In order to further make back-up ring 2 not glanced off relative to plunger pump connecting rod when pulling the provision for disengagement, projection
13 quantity be two, and along help pull a cart 1 center line symmetrical setting.So also can be by the quantity of the groove 22 of projection 13
Two, along the center line symmetrical setting of back-up ring 2 on the medial surface 21 of back-up ring 2.
Certainly, the cooperation between 1 and back-up ring 2 of helping pull a cart also has other modes, and the present invention does not enumerate herein.As long as
The second segment 42 that back-up ring 2, which can be realized, can make to be placed in drag hook 4 in the second groove 32 of drag hook hugging 3 remains stationary as, and can make drag hook 4
Catch on outside framework oil seal, and the provision for disengagement and outside framework oil seal can be driven to move together, so as to by outside framework oil seal from plunger pump
Unloaded down in connecting rod.
As a kind of preferred embodiment of the present invention, the quantity of drag hook hugging 3 is two；And help pull a cart 1 center
It is uniformly arranged successively at the sustained height of line.Herein two described drag hook huggings 3 help pull a cart 1 center line sustained height at
Be uniformly arranged successively, it can be understood as two drag hook huggings 3 help pull a cart 1 center line sustained height at clockwise or counterclockwise
Set, and the two angulation is 180 °.Correspondingly, the quantity of the drag hook 4 coordinated with drag hook hugging 3 is also two.
As another preferred embodiment of the present invention, 1 first end face 11 of helping pull a cart and 1 center line of helping pull a cart are formed
Angle be 30 °.This structure is helped pull a cart for convenience successfully through the bottom of oil sealing cutting edge arrival outside framework oil seal, such ability
Successfully outside framework oil seal is removed from plunger pump connecting link.
In actually answering, the provision for disengagement is pulled for convenience, can be in the outer with the centerline parallel of back-up ring 2 of back-up ring 2
Handle 5 is provided with side, it is preferable that the quantity of handle 5 is two, along the center line symmetrical setting of back-up ring 2.
Also in actual applications, those skilled in the art can help pull a cart according to the diameter of plunger pump connecting link to design
1 diameter；According to the depth of oil sealing box come design help pull a cart 1 axial length；According to the height of outside framework oil seal and thickness come
Drag hook hugging 4 and the size of drag hook 3 are designed, is not limited specifically herein for these parameters present invention, people in the art
Member can voluntarily grasp according to practical experience.
In the second aspect of the present invention, the invention provides a kind of provision for disengagement using above-described embodiment to dismantle plunger pump
The method of outside framework oil seal, comprises the following steps,
The first paragraph 41 of drag hook 4 and the 3rd section 42 are first respectively placed in the first groove 41 and the 3rd groove of drag hook hugging 3
In 43；
Then helping pull a cart for provision for disengagement 1 is enclosed on plunger pump connecting link 6, promote help pull a cart 1 make to help pull a cart 1 first end face 11
Cutting edge 71 through outside framework oil seal reaches the bottom 72 of outside framework oil seal,
Drag hook 4 is rotated by 90 ° again, second segment 42 is placed in the second groove 32 of drag hook hugging 3, mobile back-up ring 2 to screening
Keep off the second segment 42 of the second groove 32 and the drag hook 4 in the second groove 32；
It is finally that back-up ring 2 is fixed, back-up ring 2 is pulled, i.e., is disassembled outside framework oil seal 7 from plunger pump connecting link 6.
Fig. 9 is the part-structure schematic diagram of the oil sealing box of plunger pump.
Figure 10 is the structural representation of outside framework oil seal.
It should be noted that it is in order that the first paragraph 41 of drag hook 4 is perpendicular to the of drag hook hugging 3 that drag hook 4, which is rotated by 90 °,
One groove 31, so that the first paragraph 41 of drag hook 4 catches on outside framework oil seal 7.
Help pull a cart 1 be threadedly coupled with back-up ring 2 in the case of, that is, the opening position where 1 the second groove 32 of helping pull a cart is provided with
External screw thread；Back-up ring 2 be provided with help pull a cart 1 the internal thread that is engaged of external screw thread；Mobile back-up ring 2 is to blocking the second groove 32 and the
The concrete operations of the second segment 42 of drag hook 4 in two grooves 32 are：Direction precession of the back-up ring 2 to the second groove to back-up ring 2 is hidden
Keep off the second segment 42 of the second groove 32 and the drag hook 4 in the second groove 32.
Projection 13, back-up ring 2 are provided with the lateral surface 12 of helping pull a cart 1 of second groove 32 near and away from first end face 11
Close to help pull a cart 1 lateral surface 12 medial surface 21 on be provided with can be in the case of the groove 22 by projection 13, mobile back-up ring 2
Concrete operations to the second segment 42 for blocking the drag hook 4 in the second groove 32 and the second groove 32 are：Back-up ring 2 is passed through into projection
13.It is relative to 1 fixed concrete operations of helping pull a cart by back-up ring 2：Back-up ring 2 is rotated to an angle, projection 13 is blocked gear
Circle 2.
From above-described embodiment, a kind of plunger pump outside framework oil seal provision for disengagement provided by the invention and its method for dismounting,
Can be to outside framework oil seal be smoothly disassembled from plunger pump connecting link, and connecting rod will not be damaged, method for dismounting is simply square
Just, it is easily operated.
It is described above to be for only for ease of it will be understood by those skilled in the art that technical scheme, not limiting
The present invention.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in this
Within the protection domain of invention.
Claims (10)
- A kind of 1. plunger pump outside framework oil seal provision for disengagement, it is characterised in that including,The pipe bodily form is helped pull a cart (1)；At least one drag hook hugging (3), at least one drag hook hugging (3) are positioned close to the first end for helping pull a cart (1) Face (11) with it is described help pull a cart (1) centerline parallel lateral surface (12) on；Wherein described drag hook hugging (3) includes：Vertically In it is described help pull a cart (1) center line the first groove (31) and the second groove (32), and connection first groove (31) and institute State the second groove (32) and with it is described help pull a cart (1) centerline parallel the 3rd groove (33)；First groove (31), institute It is all strip to state the second groove (32) and the 3rd groove (33), and first groove (31) and second groove (32) where the 3rd groove (33) straight line both sides, or first groove (31), second groove (32) and 3rd groove (33) forms " work " font；The drag hook (4) being arranged in the drag hook hugging (3), the drag hook (4) include：It can be placed in first groove (31) First paragraph (41), the 3rd section (43) being connected and can be placed in the 3rd groove (33) with the first paragraph (41) and The second segment (42) that is connected and can be placed in second groove (32) with the 3rd section (43)；The first paragraph (41), institute State second segment (42) and the 3rd section (43) are orthogonal two-by-two；AndBe set in it is described help pull a cart (1) centerline parallel lateral surface (12) on the pipe bodily form back-up ring (2), and the gear Circle (2) can along it is described help pull a cart (1) center line it is mobile and block fixed after second groove (32).
- 2. provision for disengagement according to claim 1, it is characterised in that the quantity of the drag hook hugging (3) is two；And It is described help pull a cart (1) center line sustained height at be uniformly arranged successively.
- 3. provision for disengagement according to claim 1, it is characterised in that it is described help pull a cart (1) first end face (11) with it is described The angle that is formed of center line of (1) of helping pull a cart is 30 °.
- 4. provision for disengagement according to claim 1, it is characterised in that where second groove (32) of (1) of helping pull a cart Opening position is provided with external screw thread；The back-up ring (2) is provided with the internal thread being engaged with the external screw thread for helping pull a cart (1)；It is described Help pull a cart (1) be threadedly coupled with the back-up ring (2).
- 5. provision for disengagement according to claim 1, it is characterised in that in second groove (32) near and away from described First end face (11) it is described help pull a cart (1) lateral surface (12) on be provided with projection (13)；The close drawing of the back-up ring (2) Being provided with the medial surface (21) of the lateral surface (12) of set 1 can be by the groove (22) of the projection (13).
- 6. provision for disengagement according to claim 5, it is characterised in that match somebody with somebody with the back-up ring (2) gap help pull a cart (1) Close.
- 7. provision for disengagement according to claim 5, it is characterised in that the quantity of the projection (13) is two, and edge The center line symmetrical setting for helping pull a cart (1).
- 8. provision for disengagement according to claim 1, it is characterised in that the center with the back-up ring (2) of the back-up ring (2) Handle (5) is provided with the parallel lateral surface of line.
- 9. a kind of method that plunger pump outside framework oil seal is dismantled in provision for disengagement using any one of claim 1~8, it is special Sign is, comprises the following steps,The first paragraph (41) of the drag hook (4) and the 3rd section (42) are first respectively placed in the drag hook hugging (3) In first groove (41) and the 3rd groove (43)；Then will be helped pull a cart described in the provision for disengagement (1) be enclosed on plunger pump connecting link (6), helped pull a cart described in promotion (1) make institute State help pull a cart (1) first end face (11) through outside framework oil seal cutting edge (71) reach outside framework oil seal bottom (72),The drag hook (4) is rotated by 90 ° again, the second segment (42) is placed in the second groove (32) of the drag hook hugging (3) It is interior, the mobile back-up ring (2) to the second segment for blocking the drag hook (4) in second groove (32) and the second groove (32) (42)；It is finally that the back-up ring (2) is fixed, the back-up ring (2) is pulled, i.e., by outside framework oil seal (7) from plunger pump connecting link (6) disassembled on.
- 10. according to the method for claim 9, it is characterised in that the position where second groove (32) of (1) of helping pull a cart Place is provided with external screw thread；The back-up ring (2) is provided with the internal thread being engaged with the external screw thread for helping pull a cart (1)；The movement back-up ring (2) is to the drag hook (4) blocked in second groove (32) and the second groove (32) Second segment (42) is：It is recessed that direction precession of the back-up ring (2) to second groove to the back-up ring (2) is blocked described second The second segment (42) of the drag hook (4) in groove (32) and the second groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758066.6A CN107791201B (en) | 2016-08-29 | 2016-08-29 | Plunger pump framework oil seal dismounting device and dismounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758066.6A CN107791201B (en) | 2016-08-29 | 2016-08-29 | Plunger pump framework oil seal dismounting device and dismounting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107791201A true CN107791201A (en) | 2018-03-13 |
| CN107791201B CN107791201B (en) | 2019-04-09 |
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| CN201610758066.6A Active CN107791201B (en) | 2016-08-29 | 2016-08-29 | Plunger pump framework oil seal dismounting device and dismounting method thereof |
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| CN2768985Y (en) * | 2004-10-26 | 2006-04-05 | 袁荣丙 | Oil-seal detaching device |
| CN201030535Y (en) * | 2007-05-22 | 2008-03-05 | 中国石化股份胜利油田分公司河口采油厂 | Plunger pump oil seal replacing tool |
| WO2012087952A2 (en) * | 2010-12-20 | 2012-06-28 | Turbine Tooling Solutions Llc | Method and tooling for partial disassembly of a bypass turbofan engine |
| CN202540235U (en) * | 2012-03-02 | 2012-11-21 | 上海采埃孚变速器有限公司 | Tool for removing oil seal of oil pump |
| CN202716218U (en) * | 2012-08-06 | 2013-02-06 | 河北省首钢迁安钢铁有限责任公司 | Disassembling tool of reinforcement water seal |
-
2016
- 2016-08-29 CN CN201610758066.6A patent/CN107791201B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2768985Y (en) * | 2004-10-26 | 2006-04-05 | 袁荣丙 | Oil-seal detaching device |
| CN201030535Y (en) * | 2007-05-22 | 2008-03-05 | 中国石化股份胜利油田分公司河口采油厂 | Plunger pump oil seal replacing tool |
| WO2012087952A2 (en) * | 2010-12-20 | 2012-06-28 | Turbine Tooling Solutions Llc | Method and tooling for partial disassembly of a bypass turbofan engine |
| CN202540235U (en) * | 2012-03-02 | 2012-11-21 | 上海采埃孚变速器有限公司 | Tool for removing oil seal of oil pump |
| CN202716218U (en) * | 2012-08-06 | 2013-02-06 | 河北省首钢迁安钢铁有限责任公司 | Disassembling tool of reinforcement water seal |
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|---|---|
| CN107791201B (en) | 2019-04-09 |
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