CN205155160U - Axle head multiaspect seal structure of vibration mixer - Google Patents
Axle head multiaspect seal structure of vibration mixer Download PDFInfo
- Publication number
- CN205155160U CN205155160U CN201520985019.6U CN201520985019U CN205155160U CN 205155160 U CN205155160 U CN 205155160U CN 201520985019 U CN201520985019 U CN 201520985019U CN 205155160 U CN205155160 U CN 205155160U
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- China
- Prior art keywords
- spindle nose
- guard circle
- ring
- labyrinth ring
- seal
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- Expired - Fee Related
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses an axle head multiaspect seal structure of vibration mixer, establish on the (mixing) shaft and distribute at the lateral wall spacing collar and the spindle nose end cover of frame both sides including the cover, the lateral wall spacing collar through first spindle nose guard circle and agitator shaft connection, second spindle nose guard circle and agitator shaft connection are passed through to the frame, the reinforced seal circle is being connected to the inner circle of spindle nose end cover, the reinforced seal circle links to each other with the (mixing) shaft, is provided with connecting plate and spindle nose reinforcing plate between spindle nose end cover and the frame, spindle nose end cover and connecting plate fixed connection, connecting plate, spindle nose reinforcing plate and second spindle nose guard circle pass through bolt fixed connection in proper order, spindle nose end cover and connecting plate and second spindle nose guard circle between form confined space, be provided with float oil blanket and labyrinth ring in the confined space. The utility model discloses a be the mechanical seal of sound ring type, can still have sealed effect when the (mixing) shaft receives the disturbance to utilize labyrinth seals to form a plurality of terminal surfaces, improved sealing performance.
Description
Technical field
The utility model relates to a kind of seal arrangement, particularly relates to a kind of axle head multidimensional seal structure of oscillating mixer.
Background technique
The shaft end seal of concrete mixer adopts float grease seal static sealing structure mostly both at home and abroad at present.Although float grease seal can play certain seal action, but the work under bad environment of stirrer, between the transmission part that cement slurry in mixture very easily enters into tank body both sides and fixed component, and then enter in seal arrangement, floating sealing ring is worn and torn and aggravates, secondly, grease seal operating cost is high, so seek a kind of structure simply, cost is low, and the seal arrangement of good seal performance has very important realistic meaning.
In addition, the defect of existing shaft end seal mainly contains following 2 points: one is the impact that stirring shafting vibration can not be avoided to produce Sealing, and two is that first sealing does not possess self-compensating function, and after wearing and tearing, sealing surface cannot recover to fit tightly state.Therefore normal concrete stirrer shaft end sealing structure is not suitable for the dynamic axle head sealing problem of solution oscillating mixer.
Model utility content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of axle head multidimensional seal structure of oscillating mixer, the utility model has done maximum reservation to original sealing configuration, reduces cost, solve service time in prior art short, the problem that maintenance cost is high.
For achieving the above object, the technical solution adopted in the utility model is:
An axle head multidimensional seal structure for oscillating mixer, comprises and is set on stirring shaft and is distributed in sidewall position limit cycle and the spindle nose end cap of frame both sides; Described sidewall position limit cycle is connected with stirring shaft by the first spindle nose guard circle, and frame is connected with stirring shaft by the second spindle nose guard circle, and sidewall position limit cycle is arranged between the first spindle nose guard circle and the second spindle nose guard circle; The inner ring of spindle nose end cap is connected to backbone sealing ring, backbone sealing ring is connected with stirring shaft, be provided with connecting plate and spindle nose stiffening plate between spindle nose end cap and frame, spindle nose end cap is fixedly connected with connecting plate, and connecting plate, spindle nose stiffening plate and the second spindle nose guard circle are fixedly connected sequentially by bolt; Form seal space between described spindle nose end cap and connecting plate and the second spindle nose guard circle, in seal space, be provided with float grease seal and labyrinth ring.
Described labyrinth ring comprises the dynamic labyrinth ring and quiet labyrinth ring that interlock and match; Quiet labyrinth ring and connecting plate interference fit; Dynamic labyrinth ring to be set on stirring shaft and to be sealed by several seal rings; Spindle nose end cap is provided with spring seat and is fixed on the spring on spring seat; Spring is connected with quiet labyrinth ring elasticity, makes stationary seal ring and rotary packing ring close contact.
The annular groove diameter of described dynamic labyrinth ring is less than the race diameter of quiet labyrinth ring, and the race diameter of dynamic labyrinth ring is less than the annular groove diameter of quiet labyrinth ring.
There is the first boss the side of described dynamic labyrinth ring, and dynamic labyrinth ring is fixed on stirring shaft by the first Cock screw by the first boss; Spindle nose end cap also has the second corresponding boss to the first boss respective side, and float grease seal to be set on stirring shaft and to be arranged in gap that two boss are formed, and two boss match with float grease seal; The opposite side of dynamic labyrinth ring has little ladder, and little ladder matches with the ladder on stirring shaft.
Described two are all tightly connected by seal ring between boss and float grease seal.
The first described spindle nose guard circle and sidewall position limit cycle are hierarchic structure, and the stepped portion of the first spindle nose guard circle and sidewall position limit cycle matches; Second spindle nose guard circle is hierarchic structure, and comprise outside large ladder and inner little ladder, little ladder matches with the first spindle nose guard circle, and large ladder matches with the stepped portion of frame.
Pad is provided with between described spindle nose stiffening plate and connecting plate.
The both sides of described spindle nose stiffening plate are processed with small one and large one shallow grooves respectively, and big groove matches with the second spindle nose guard circle, and little groove coordinates with pad.
The external diameter of described spindle nose stiffening plate is greater than the diameter of the second spindle nose guard circle, is less than the diameter of rack mounting apertures.
Described spindle nose end cap there is uniform circle screw and a pretension bolt; Screw coupling shaft head end lid and connecting plate; Pretension bolt is connected the pretightening force being used for Regulation spring with spring seat through connecting plate.
The utility model compared with prior art has the following advantages:
What the utility model adopted is the mechanical seal of sound ring type, can when stirring shaft is disturbed the still Packed effect of tool, and utilize labyrinth seal to form multiple end face, improve sealability.In addition, using float grease seal and backbone sealing ring as second sealing configuration, the working life of stirring shaft is extended.
Further, the wearing and tearing of quiet labyrinth ring make up by screwing in pretension bolt, thus ensure the sealability of labyrinth ring.
Accompanying drawing explanation
Fig. 1 is the utility model sealing structure of shaft end schematic diagram;
Fig. 2 is the utility model sealing structure of shaft end partial enlarged drawing;
Fig. 3 is the utility model labyrinth ring structural representation;
Fig. 4 is the utility model second spindle nose guard circle structural representation;
Fig. 5 is the utility model connecting board structure schematic diagram;
Fig. 6 is the utility model spindle nose end cover structure schematic diagram.
In figure: 1 is stirring shaft; 2 is the first spindle nose guard circle; 3 is sidewall position limit cycle; 4 is the second spindle nose guard circle; 5 is frame; 6 is spindle nose stiffening plate; 7 is pad; 8 is connecting plate; 9 is bolt; 10 is screw; 11 is pretension bolt; 12 is spindle nose end cap; 13 is backbone sealing ring; 14 is float grease seal; 15 is seal ring; 16 is spring seat; 17 is spring; 18 is the first Cock screw; 19 is quiet labyrinth ring; 20 is dynamic labyrinth ring; 21 is the second Cock screw.
Embodiment
Be described further the utility model below in conjunction with the drawings and specific embodiments, the utility model is not limited to following examples.
As shown in Figures 1 to 6, the axle head multidimensional seal structure of a kind of oscillating mixer of the utility model, comprise the first spindle nose guard circle 2, sidewall position limit cycle 3, first spindle nose guard circle 2 and sidewall position limit cycle 3 are hierarchic structure, the stepped portion of the first spindle nose guard circle 2 and sidewall position limit cycle 3 matches, second spindle nose guard circle 4 is arranged on stirring shaft, second spindle nose guard circle 4 is also hierarchic structure, comprise large ladder and little ladder, little ladder matches with the first spindle nose guard circle 2, large ladder matches with the stepped portion of frame 5, the other end of the second spindle nose guard circle 4 is provided with spindle nose stiffening plate 6, the opposite side of spindle nose stiffening plate 6 is provided with connecting plate 8, pad 7 is provided therebetween, bolt is by connecting plate 8, pad 7, spindle nose stiffening plate 6, second spindle nose guard circle 4 links together, the right and left of connecting plate 8 has ladder respectively, the right ladder coordinates with spindle nose stiffening plate 6, the left side is connected with spindle nose end cap 12, the inner ring of spindle nose end cap 12 is connected to backbone sealing ring 13, backbone sealing ring 13 is connected with stirring shaft 1, spring seat 16 is connected with spindle nose end cap 12, the same side is arranged on connecting plate 8, spring seat 16 is connected to spring 17, spring 17 heads on quiet labyrinth ring 19, quiet labyrinth ring 19 matches with dynamic labyrinth ring 20.
As shown in Figure 2, the first spindle nose guard circle 2 is fixed on stirring shaft 1 by the second Cock screw 21 of a circle, and frame 5 is hierarchic structure, and its stepped portion matches with the large stepped portion of the second spindle nose guard circle 4.
The external diameter of spindle nose stiffening plate 6 is greater than the diameter of the second spindle nose guard circle 4, is less than the diameter of frame 5, and the two ends of spindle nose stiffening plate 6 are processed with small one and large one shallow grooves respectively, and big groove matches with the second spindle nose guard circle 4, and little groove coordinates with pad 7.
Spindle nose end cap 12 there is uniform circle screw 10 and a pretension bolt 11, spindle nose end cap 12 and connecting plate 8 link together by screw 10, pretension bolt 11 heads on spring seat 16 through connecting plate 8, the pretightening force of Regulation spring 17 is carried out by the spinning in and out of pretension bolt 11, and then ensure the sealing of labyrinth ring, the inner ring of spindle nose end cap 12 has ladder, and this ladder is connected with backbone sealing ring 13, and backbone sealing ring 13 is arranged on stirring shaft 1.
As shown in Figure 3, dynamic labyrinth ring 20 is connected by several seal rings 15 with stirring shaft 1, dynamic labyrinth ring 20 matches with dynamic labyrinth ring 19 is staggered, the inner ring of dynamic labyrinth ring 20 is less than the outer ring of quiet labyrinth ring 19, the outer ring of dynamic labyrinth ring 20 is less than the inner ring of quiet labyrinth ring 19, spring 17 heads on quiet labyrinth ring 19, makes stationary seal ring 19 and rotary packing ring 20 close contact.There is boss the side of dynamic labyrinth ring 20, boss being provided with the first Cock screw 18, first Cock screw 18 is fixed on stirring shaft 1 by dynamic labyrinth ring 20, and the respective side of spindle nose end cap 12 also has corresponding boss, these two boss match with float grease seal 14, and float grease seal 14 is connected with stirring shaft 1.The opposite side of dynamic labyrinth ring 20 has little ladder, and this ladder matches with the ladder of stirring shaft 1.
During actual use, dynamic labyrinth ring 20 is fixed on stirring shaft 1 by seal ring 15, along with stirring shaft 1 rotates together, quiet labyrinth ring 19 and connecting plate 8 interference fit, and its annular groove and dynamic labyrinth ring 20 interlock and match, dynamic labyrinth ring 20 can move up and down by relatively quiet labyrinth ring 19, when stirring shaft 1 vibrates, dynamic labyrinth ring 20 and quiet labyrinth ring 19 still can keep the state fitted tightly, quiet labyrinth ring 19 is connected with spring 17 elasticity, the pretightening force of spring 17 can ensure that quiet labyrinth ring 19 and dynamic labyrinth ring 20 are in the state of laminating all the time, good sealing effect can be reached.Float grease seal 14, can enhanced leaktightness effect further as second sealing.
The above; it is only a kind of situation of preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. an axle head multidimensional seal structure for oscillating mixer, is characterized in that, comprises that to be set in stirring shaft (1) upper and be distributed in sidewall position limit cycle (3) and the spindle nose end cap (12) of frame (5) both sides; Described sidewall position limit cycle (3) is connected with stirring shaft (1) by the first spindle nose guard circle (2), frame (5) is connected with stirring shaft (1) by the second spindle nose guard circle (4), and sidewall position limit cycle (3) is arranged between the first spindle nose guard circle (2) and the second spindle nose guard circle (4); The inner ring of spindle nose end cap (12) is connected to backbone sealing ring (13), backbone sealing ring (13) is connected with stirring shaft (1), connecting plate (8) and spindle nose stiffening plate (6) is provided with between spindle nose end cap (12) and frame (5), spindle nose end cap (12) is fixedly connected with connecting plate (8), and connecting plate (8), spindle nose stiffening plate (6) and the second spindle nose guard circle (4) are fixedly connected sequentially by bolt; Form seal space between described spindle nose end cap (12) and connecting plate (8) and the second spindle nose guard circle (4), in seal space, be provided with float grease seal (14) and labyrinth ring.
2. the axle head multidimensional seal structure of a kind of oscillating mixer according to claim 1, is characterized in that, described labyrinth ring comprises the staggered dynamic labyrinth ring (20) matched and quiet labyrinth ring (19); Quiet labyrinth ring (19) and connecting plate (8) interference fit; Dynamic labyrinth ring (20) is set in stirring shaft (1) and goes up and pass through several seal rings (15) sealing; Spindle nose end cap (12) is provided with spring seat (16) and is fixed on the spring (17) on spring seat (16); Spring (17) is connected with quiet labyrinth ring (19) elasticity, makes stationary seal ring (19) and rotary packing ring (20) close contact.
3. the axle head multidimensional seal structure of a kind of oscillating mixer according to claim 2, it is characterized in that, the annular groove diameter of described dynamic labyrinth ring (20) is less than the race diameter of quiet labyrinth ring (19), and the race diameter of dynamic labyrinth ring (20) is less than the annular groove diameter of quiet labyrinth ring (19).
4. the axle head multidimensional seal structure of a kind of oscillating mixer according to claim 2, it is characterized in that, there is the first boss the side of described dynamic labyrinth ring (20), and the first boss will move labyrinth ring (20) by the first Cock screw (18) and be fixed on stirring shaft (1); Spindle nose end cap (12) also has the second corresponding boss to the first boss respective side, float grease seal (14) is set in stirring shaft (1) and goes up and be arranged in the gap of two boss formation, and two boss match with float grease seal (14); The opposite side of dynamic labyrinth ring (20) has little ladder, and little ladder matches with the ladder on stirring shaft (1).
5. the axle head multidimensional seal structure of a kind of oscillating mixer according to claim 4, is characterized in that, is all tightly connected by seal ring between two described boss and float grease seal (14).
6. the axle head multidimensional seal structure of a kind of oscillating mixer according to claim 1, it is characterized in that, the first described spindle nose guard circle (2) and sidewall position limit cycle (3) are hierarchic structure, and the stepped portion of the first spindle nose guard circle (2) and sidewall position limit cycle (3) matches; Second spindle nose guard circle (4) is hierarchic structure, and comprise outside large ladder and inner little ladder, little ladder matches with the first spindle nose guard circle (2), and large ladder matches with the stepped portion of frame (5).
7. the axle head multidimensional seal structure of a kind of oscillating mixer according to claim 1, is characterized in that, is provided with pad (7) between described spindle nose stiffening plate (6) and connecting plate (8).
8. the axle head multidimensional seal structure of a kind of oscillating mixer according to claim 7; it is characterized in that; the both sides of described spindle nose stiffening plate (6) are processed with small one and large one shallow grooves respectively; big groove matches with the second spindle nose guard circle (4), and little groove coordinates with pad (7).
9. the axle head multidimensional seal structure of a kind of oscillating mixer according to claim 1; it is characterized in that; the external diameter of described spindle nose stiffening plate (6) is greater than the diameter of the second spindle nose guard circle (4), is less than the diameter of frame (5) mounting hole.
10. the axle head multidimensional seal structure of a kind of oscillating mixer according to claim 1, is characterized in that, described spindle nose end cap (12) has uniform circle screw (10) and a pretension bolt (11); Screw (10) coupling shaft head end lid (12) and connecting plate (8); Pretension bolt (11) is connected the pretightening force being used for Regulation spring (17) with spring seat (16) through connecting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985019.6U CN205155160U (en) | 2015-12-02 | 2015-12-02 | Axle head multiaspect seal structure of vibration mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985019.6U CN205155160U (en) | 2015-12-02 | 2015-12-02 | Axle head multiaspect seal structure of vibration mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155160U true CN205155160U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520985019.6U Expired - Fee Related CN205155160U (en) | 2015-12-02 | 2015-12-02 | Axle head multiaspect seal structure of vibration mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205155160U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051166A (en) * | 2016-07-26 | 2016-10-26 | 马鞍山市方正机械制造有限责任公司 | Underwater bearing of flush slag stirring cage machine and sealing device of underwater bearing |
| CN108547952A (en) * | 2018-05-16 | 2018-09-18 | 苏州科耐迈克低温装备科技有限公司 | Labyrinth type end face mechanical sealing device |
| CN110237762A (en) * | 2019-07-15 | 2019-09-17 | 上海善佳机械设备有限公司 | A kind of high pressure mixing agitating device |
-
2015
- 2015-12-02 CN CN201520985019.6U patent/CN205155160U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051166A (en) * | 2016-07-26 | 2016-10-26 | 马鞍山市方正机械制造有限责任公司 | Underwater bearing of flush slag stirring cage machine and sealing device of underwater bearing |
| CN106051166B (en) * | 2016-07-26 | 2017-09-05 | 马鞍山市方正机械制造有限责任公司 | A kind of flush slag processing machine bearing and its sealing device under water |
| CN108547952A (en) * | 2018-05-16 | 2018-09-18 | 苏州科耐迈克低温装备科技有限公司 | Labyrinth type end face mechanical sealing device |
| CN110237762A (en) * | 2019-07-15 | 2019-09-17 | 上海善佳机械设备有限公司 | A kind of high pressure mixing agitating device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161202 |