CN203743386U - Pumping type sealing device of speed reducer - Google Patents
Pumping type sealing device of speed reducer Download PDFInfo
- Publication number
- CN203743386U CN203743386U CN201420048211.8U CN201420048211U CN203743386U CN 203743386 U CN203743386 U CN 203743386U CN 201420048211 U CN201420048211 U CN 201420048211U CN 203743386 U CN203743386 U CN 203743386U
- Authority
- CN
- China
- Prior art keywords
- gland
- viscose
- speed reducer
- blob
- primary seal
- 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.)
- Expired - Fee Related
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 title abstract description 19
- 238000005086 pumping Methods 0.000 title abstract description 6
- 210000004907 gland Anatomy 0.000 claims abstract description 85
- 229920000297 Rayon Polymers 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010992 reflux Methods 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model belongs to the technical field of speed reducer sealing, and particularly relates to a pumping type sealing device of a speed reducer. The device comprises blades, a main sealing rubber block, a transmission base and a gland. The gland and the transmission base are respectively of an annular structure defined by the upper portion and the lower portion. The inner wall of the gland is provided with blade annular grooves in the radial direction, one side of the gland is provided with a gland oil return hole communicated with the blade annular grooves in the axial direction and a gland oil return groove in the radial direction, and the gland oil return hole is communicated with the gland oil return groove; the main sealing rubber block, the transmission base and the gland are sequentially arranged on a speed reducer rotary shaft in a sleeved mode, the main sealing rubber block is connected with the gland and the speed reducer body in a sealed mode, the outer ring of the transmission base is evenly provided with multiple blades, and the blades are arranged in the blade annular grooves; the outer surface of the main sealing rubber block is provided with a main sealing rubber block oil return groove communicating the gland oil return groove with an inner cavity of the speed reducer. The inner wall of the main sealing rubber block is provided with a groove in the radial direction, and an auxiliary sealing rubber block arranged on a rotary shaft of the speed reducer in a sleeved mode is arranged in the groove. The pumping type sealing device can be assembled in a split mode and does not need to be disassembled and assembled through large machines, main machine parts are not damaged when the sealing device operates, work is reliable, the sealing size is compact, and service life is long.
Description
Technical field
The utility model belongs to speed reducer technical field of sealing technology, specifically a kind of speed reducer pumped type seal arrangement.
Background technique
Speed reducer, as a kind of rotating speed adjusting mechanism, is used widely, and inner driving mechanism is taking gear as main, and gear adopts oil lubricating.Along with the prolongation of service time, the outside framework oil seal that former machine is joined produces wearing and tearing, often occurring inputing or outputing axle leaks, existing oil extraction in oil field is taking reciprocating beam-pumping unit as main, every pumping unit is equipped with a speed reducer, use amount is very large, and Crankshaft Seal of Speed-down is a great problem of puzzlement oil recovery industry always.At present, speed reducer shaft seal adopts outside framework oil seal more, uses after a period of time, and oil sealing lip and axle friction cause axle to have compared with heavy wear, and leaking appears in shaft seal, provides for simple replacement of outside framework oil seal and can not address the leakage concern.Need design a kind of without big machinery dismounting, do not damage main frame, reliable operation, the seal arrangement of long service life.
Model utility content
For the problems referred to above, the purpose of this utility model is to provide a kind of speed reducer pumped type seal arrangement.This device can assemble in split, without big machinery dismounting, when seal arrangement operation, does not damage host part, reliable operation, sealing overall dimensions compactness, long service life.
To achieve these goals, the utility model is by the following technical solutions:
A kind of speed reducer pumped type seal arrangement, comprise blade, primary seal blob of viscose, retainer and gland, wherein gland and retainer enclose ring structure by upper and lower, on the inwall of described gland, be radially provided with blade annular groove, a side of described gland is provided with vertically the gland spill port being communicated with blade annular groove and is radially provided with the gland oil-return groove being communicated with gland spill port; Described primary seal blob of viscose, retainer and gland are set on speed reducer running shaft successively, and described primary seal blob of viscose is tightly connected with gland and Gearbox respectively, are evenly equipped with multiple blades on the cylindrical of described retainer, and described blade is placed in blade annular groove; The outer surface of described primary seal blob of viscose is provided with the primary seal blob of viscose oil-return groove that gland oil-return groove is communicated with speed reducer inner chamber.
The inwall of described primary seal blob of viscose is radially provided with groove, is provided with the auxiliary seal blob of viscose being set on described speed reducer running shaft in described groove.The cross section of described auxiliary seal blob of viscose be parallelogram both sides respectively with primary seal blob of viscose inwall on the linear laminating of groove, the endoporus of described auxiliary seal blob of viscose and running shaft interference fit are also rotated with running shaft.
Described primary seal blob of viscose and auxiliary seal blob of viscose all adopt macromolecule material.Described primary seal blob of viscose and Gearbox interference fit, the endoporus of described primary seal blob of viscose and running shaft transition fit, described primary seal blob of viscose does not rotate with running shaft.
On the outer surface of described retainer, along being circumferentially evenly equipped with multiple skewed slots, described multiple blades are inserted in respectively in each skewed slot; On described retainer, along being circumferentially also evenly equipped with multiple radial direction through hole, described retainer is connected with running shaft by the second screw at each radial direction through hole place.
The two ends, upper and lower of described gland are all arranged with lug, and each lug is provided with attachment hole, and the lug at the two ends, upper and lower of described gland connects by screw bolt and nut; The sidewall of described gland is connected with Gearbox by the first screw.The center hole of described gland is shoulder hole, between the smaller diameter aperture of described shoulder hole and running shaft, be provided with 0 RunddichtringO, the larger diameter end of described shoulder hole and primary seal blob of viscose are tightly connected, described retainer is placed in the large diameter hole of gland, and the lower bottom end of described gland is provided with the gland collection tank being communicated with blade annular groove.
Described gland spill port is two and is symmetricly set in the both sides, bottom of gland.Described blade adopts wearable elastic material.
Advantage of the present utility model and beneficial effect are:
1. the utility model makes full use of former machine bulk, and dismounting sealing is convenient.
2. the utility model utilizes pumping theory, realizes sealing place and leaks and reflux cycle, ensures that the lubricant oil of revealing does not outflow.
3. the utility model can assemble in split, without big machinery dismounting, when seal arrangement operation, does not damage host part, reliable operation, sealing overall dimensions compactness, long service life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is the D place enlarged view in Fig. 2;
Fig. 4 is the structural representation of retainer in the utility model;
Fig. 5 is the E-E sectional view in Fig. 4;
Fig. 6 is the structural representation of the utility model Leaf;
Fig. 7 is the plan view of Fig. 6;
Fig. 8 is the structural representation of primary seal blob of viscose in the utility model;
Fig. 9 be in Fig. 8 K to view;
Figure 10 is B-B sectional view in Fig. 8;
Figure 11 is F place enlarged view in Figure 10;
Figure 12 is the structural representation of auxiliary seal blob of viscose in the utility model;
Figure 13 is the structural representation of gland in the utility model;
Figure 14 is C-C sectional view in Figure 13.
Wherein: 1 is the first screw, 2 is blade, and 3 is the second screw, 4 is bolt, and 5 is nut, and 6 is gland, 7 is primary seal blob of viscose, and 8 is auxiliary seal blob of viscose, and 9 is retainer, 10 is 0 RunddichtringO, 11 is gland spill port, and 12 is blade annular groove, and 13 is gland oil-return groove, 14 is primary seal blob of viscose oil-return groove, and 15 is gland collection tank.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Fig. 1-14, the utility model comprises blade 2, primary seal blob of viscose 7, auxiliary seal blob of viscose 8, retainer 9 and gland 6, wherein gland 6 and retainer 9 enclose ring structure by upper and lower, on the inwall of described gland 6, be radially provided with blade annular groove 12, a side of described gland 6 is provided with vertically the gland spill port 11 being communicated with blade annular groove 12 bottoms and is radially partial to and has the gland oil-return groove 13 (being the high level that gland spill port 11 is positioned at gland oil-return groove 13) being communicated with gland spill port 11; Described primary seal blob of viscose 7, retainer 9 and gland 6 are set on speed reducer running shaft successively, and described primary seal blob of viscose 7 is tightly connected with gland 6 and Gearbox respectively.On the cylindrical of described retainer 9, be evenly equipped with multiple blades 2, described blade 2 is placed in blade annular groove 12.The outer surface of described primary seal blob of viscose 7 is provided with the primary seal blob of viscose oil-return groove 14 that gland oil-return groove 13 is communicated with speed reducer inner chamber.The inwall of described primary seal blob of viscose 7 is radially provided with groove, is provided with the auxiliary seal blob of viscose 8 being set on described speed reducer running shaft in described groove.
The cross section of described auxiliary seal blob of viscose 8 be parallelogram both sides respectively with primary seal blob of viscose 7 inwalls on the linear laminating of groove, the endoporus of described auxiliary seal blob of viscose 8 and running shaft interference fit are also rotated with running shaft.Described primary seal blob of viscose 7 and Gearbox interference fit, the endoporus of described primary seal blob of viscose 7 and running shaft transition fit, described primary seal blob of viscose 7 does not rotate with running shaft.
On the outer surface of described retainer 9, along being circumferentially evenly equipped with multiple skewed slots, described multiple blades 2 are inserted in respectively in each skewed slot; On described retainer 9, along being circumferentially also evenly equipped with multiple radial direction through hole, described retainer 9 is connected with described running shaft by the second screw 3 at each radial direction through hole place.
The two ends, upper and lower of described gland 6 are all arranged with lug, and each lug is provided with attachment hole, and the lug at the two ends, upper and lower of described gland 6 is connected with nut 5 by bolt 4, and the sidewall of described gland 6 is connected with Gearbox by the first screw 1.The center hole of described gland 6 is shoulder hole, is provided with 0 RunddichtringO 10 between the smaller diameter aperture of described shoulder hole and running shaft, and the larger diameter end of described shoulder hole and primary seal blob of viscose 7 are tightly connected, and described retainer 9 is placed in the large diameter hole of gland 6.Described gland spill port 11 is two and is symmetricly set in the both sides, bottom of gland 6.The lower bottom end of described gland 6 is provided with the gland collection tank 15 being communicated with blade annular groove 12.Described bolt 4 is hexagon head strand drilling bolt, and described the first screw 1 is hexagon socket cap head screw.
Described blade 2 adopts wearable elastic material, when blade 2 is installed, needs to determine the rotation direction of blade 2.Described retainer 9 and gland 6 adopt foundry goods, can select metal or non-metallic material, are divided into two-part after being machined to size.Described primary seal blob of viscose 7 and auxiliary seal blob of viscose 8 all adopt macromolecule material, have better oil resistant and wear resistance.When installation, need rationally to determine that each part is in axial position, phase mutual noninterference while ensureing operation.
Erection sequence of the present utility model is:
1). according to mounting point, cut apart primary seal blob of viscose 7 and guarantee otch up, cementing after the primary seal blob of viscose 7 after cutting is sheathed on running shaft, incision site is placed on to top and is pressed into speed reducer cavity;
2). cut apart auxiliary seal blob of viscose 8 and be sheathed on running shaft, cementing after and primary seal blob of viscose 7 fit;
3). according to axial position and running shaft rotation direction, retainer 9 is fixed on running shaft;
4). blade 2 is installed on retainer 9;
5). cut apart 0 shape seal ring 10 and be sheathed on running shaft, finally cementing;
6). the parting plane of gland 6 and seal face are coated with to sealer, align gland spill port 11 and primary seal blob of viscose back flash 14, be connected two lobe glands with bolt 4 with nut 5, then use the fastening gland 9 of the first screw 1;
7). test run running after cleaning.
Working principle of the present utility model is:
The utility model utilize former outside framework oil seal cavity and pressing plate fastening with tapped hole realize seal arrangement install.Described primary seal blob of viscose 7 and auxiliary seal blob of viscose 8 play the effect of labyrinth resistance envelope to leaking lubricant oil jointly, reduce as far as possible leakage rate.The lubricant oil leaking from primary seal blob of viscose 7 and auxiliary seal blob of viscose 8 flows into gland collection tank 15, and gland collection tank 15 communicates with blade annular groove 12.Described blade 2 rotates with running shaft by retainer 9 transmissions, and blade 2 is delivered to the lubricating pump leaking in gland collection tank 15 in gland spill port 11, then passes through gland oil-return groove 13 and primary seal blob of viscose oil-return groove 14 natural back flow to box body of speed reducer.So just form a reflux cycle, leak resistance is large, leaks lessly, refluxes unobstructed, refluxes very fast, ensures to leak lubricant oil and refluxes in time, thereby solve oil leak to outside.Because of reflux permissible flow much larger than vent flow, thereby can realize the not inner loop of external leakage.The utility model choose reasonable structural member material, optimization processing technology, compact structure, convenient disassembly, reduces manufacture cost to greatest extent, promotes it to be widely used.
Claims (10)
1. a speed reducer pumped type seal arrangement, it is characterized in that: comprise blade (2), primary seal blob of viscose (7), retainer (9) and gland (6), wherein gland (6) and retainer (9) enclose ring structure by upper and lower, on the inwall of described gland (6), be radially provided with blade annular groove (12), a side of described gland (6) is provided with vertically the gland spill port (11) being communicated with blade annular groove (12) and is radially provided with the gland oil-return groove (13) being communicated with gland spill port (11); Described primary seal blob of viscose (7), retainer (9) and gland (6) are set on speed reducer running shaft successively, described primary seal blob of viscose (7) is tightly connected with gland (6) and Gearbox respectively, on the cylindrical of described retainer (9), be evenly equipped with multiple blades (2), described blade (2) is placed in blade annular groove (12); The outer surface of described primary seal blob of viscose (7) is provided with the primary seal blob of viscose oil-return groove (14) that gland oil-return groove (13) is communicated with speed reducer inner chamber.
2. by speed reducer pumped type seal arrangement claimed in claim 1, it is characterized in that: the inwall of described primary seal blob of viscose (7) is radially provided with groove, in described groove, be provided with the auxiliary seal blob of viscose (8) being set on described speed reducer running shaft.
3. by speed reducer pumped type seal arrangement claimed in claim 2, it is characterized in that: the cross section of described auxiliary seal blob of viscose (8) be parallelogram both sides respectively with primary seal blob of viscose (7) inwall on the linear laminating of groove, the endoporus of described auxiliary seal blob of viscose (8) and running shaft interference fit are also rotated with running shaft.
4. by speed reducer pumped type seal arrangement claimed in claim 2, it is characterized in that: described primary seal blob of viscose (7) and auxiliary seal blob of viscose (8) all adopt macromolecule material.
5. by speed reducer pumped type seal arrangement claimed in claim 1, it is characterized in that: described primary seal blob of viscose (7) and Gearbox interference fit, the endoporus of described primary seal blob of viscose (7) and running shaft transition fit, described primary seal blob of viscose (7) does not rotate with running shaft.
6. by speed reducer pumped type seal arrangement claimed in claim 1, it is characterized in that: on the outer surface of described retainer (9), along being circumferentially evenly equipped with multiple skewed slots, described multiple blades (2) are inserted in respectively in each skewed slot; Described retainer (9) is upper along being circumferentially also evenly equipped with multiple radial direction through hole, and described retainer (9) is connected with running shaft by the second screw (3) at each radial direction through hole place.
7. by speed reducer pumped type seal arrangement claimed in claim 1, it is characterized in that: the two ends, upper and lower of described gland (6) are all arranged with lug, each lug is provided with attachment hole, and the lug at the two ends, upper and lower of described gland (6) is connected with nut (5) by bolt (4); The sidewall of described gland (6) is connected with Gearbox by the first screw (1).
8. by speed reducer pumped type seal arrangement claimed in claim 1, it is characterized in that: the center hole of described gland (6) is shoulder hole, between the smaller diameter aperture of described shoulder hole and running shaft, be provided with 0 RunddichtringO (10), the larger diameter end of described shoulder hole and primary seal blob of viscose (7) are tightly connected, described retainer (9) is placed in the large diameter hole of gland (6), and the lower bottom end of described gland (6) is provided with the gland collection tank (15) being communicated with blade annular groove (12).
9. by speed reducer pumped type seal arrangement claimed in claim 1, it is characterized in that: described gland spill port (11) is two and is symmetricly set in the both sides, bottom of gland (6).
10. by speed reducer pumped type seal arrangement claimed in claim 1, it is characterized in that: described blade (2) adopts wearable elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048211.8U CN203743386U (en) | 2014-01-24 | 2014-01-24 | Pumping type sealing device of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048211.8U CN203743386U (en) | 2014-01-24 | 2014-01-24 | Pumping type sealing device of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743386U true CN203743386U (en) | 2014-07-30 |
Family
ID=51343187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420048211.8U Expired - Fee Related CN203743386U (en) | 2014-01-24 | 2014-01-24 | Pumping type sealing device of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743386U (en) |
-
2014
- 2014-01-24 CN CN201420048211.8U patent/CN203743386U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203742985U (en) | Oil-free dry type screw rod air compressor | |
| CN106015008A (en) | Pump body of rotary cylinder piston compressor and compressor adopting pump body | |
| CN103486423B (en) | A kind of universal-joint spindle self-lubricating device | |
| CN106015009A (en) | Pump body of rotary cylinder piston compressor and compressor adopting pump body | |
| CN103398165A (en) | Self-circulation lubricating method and device for vertical type speed reducer | |
| CN203743386U (en) | Pumping type sealing device of speed reducer | |
| CN203505150U (en) | Pole chain saw | |
| CN207033717U (en) | Connecting rod with oil duct in a kind of high pressure reciprocating pump | |
| CN105782450A (en) | Water sealing structure of raise boring machine | |
| CN205824089U (en) | Lifting deceleration machine for large cargo | |
| CN203544977U (en) | Shaftless spiral conveying machine | |
| CN204372124U (en) | Two-stage oil seal assembly of speed reducer | |
| CN208252738U (en) | Loading machine gearbox power taking mouth bearing forced lubrication structure | |
| CN204493254U (en) | A kind of slurry pump bracket | |
| CN204387095U (en) | Sliding bearing cooling and lubricating device | |
| CN201593500U (en) | Gear type combination pump | |
| CN207213105U (en) | A kind of sealing device of reductor shaft end | |
| CN204004330U (en) | Wind turbine gearbox clearance sealing structure | |
| CN204704385U (en) | Sealing mechanical structure | |
| CN205578733U (en) | Raise boring machine seals water structure | |
| CN202851969U (en) | Rotating main shaft sealed structure | |
| CN203627289U (en) | Sand pump | |
| CN203655612U (en) | Pump cover | |
| CN202228354U (en) | Screw pump driving device with mechanical seal in oil flow | |
| CN218094240U (en) | Mechanical sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20190124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |