CN202781447U - Discharging mechanism for shaft end sealing device of concrete mixer - Google Patents
Discharging mechanism for shaft end sealing device of concrete mixer Download PDFInfo
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- CN202781447U CN202781447U CN 201220333965 CN201220333965U CN202781447U CN 202781447 U CN202781447 U CN 202781447U CN 201220333965 CN201220333965 CN 201220333965 CN 201220333965 U CN201220333965 U CN 201220333965U CN 202781447 U CN202781447 U CN 202781447U
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- guiding gutter
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Abstract
The utility model discloses a discharging mechanism for a shaft end sealing device of a concrete mixer. The discharging mechanism is provided with a discharging body, wherein penetration guide grooves are distributed in the discharging body; and all the penetration guide grooves are chutes with a consistent inclined direction or spiral grooves with a consistent spiral direction. By adoption of the scheme, the discharging mechanism for the shaft end sealing device of the concrete mixer has a function of preventing slurry in a mixing barrel from intruding a sealing channel to a certain degree; and moreover, the slurry in the sealing channel of the guide grooves and the shaft end sealing device forms a slurry flow along the guide grooves and is thrown back to the mixing barrel, so that the aim of prolonging the service life of the shaft end sealing device is fulfilled.
Description
Technical field
The utility model relates to the technical field of concrete mixer, refers to especially a kind of axle end sealing device of concrete mixer.
Background technology
At present, the sealing structure of shaft end of the stirring main shaft of concrete mixer, as shown in Figure 1, comprise shaft end seal part and fuel feeding part, shaft end seal partly comprises seal channel 11 ' and polyurethane rubber slab 12 ', and fuel feeding partly has oil supply system and oil supply gallery 21 ', and polyurethane rubber slab 12 ' is arranged in the seal channel 11 ', and by pressing plate polyurethane rubber slab 12 ' is pressed on the taper seat that turns hub 13 ', play the effect of cut-off seal channel 11 '.Take the axle head that stirs main shaft as outside, the stirring cylinder of mixer as in, seal channel 11 ' is divided into inner segment 111 ' and outer section 112 ' take polyurethane rubber slab 12 ' as the boundary, one end of oil supply gallery 21 ' connects the output of oil supply system, and the other end is communicated to seal channel inner segment 111 '.During work, by the oil supply system pump grease is delivered to oil supply gallery 21 ', by oil supply gallery 21 ' grease is delivered to again the inner segment 111 ' of seal channel, strain by the polyurethane rubber slab, cut-off seal channel 11 ', stop the mud in the stirring cylinder to invade agitator shaft end inside, thereby realize the sealing function of axle end sealing device.
The sealing structure of shaft end of the stirring main shaft of this concrete mixer, assembly precision height and complex process that polyurethane rubber slab 12 ' requires, difficulty of construction is larger, because the existence of accumulated error and be difficult to control, affected whole assembly precision, so that polyurethane rubber slab 12 ' and turn between the hub 13 ' and can't fit tightly, and can constantly wear and tear the in process of production inner segment of seal channel of the mud in the stirring cylinder, cause polyurethane rubber slab 12 ' and turn invading easily mud between the hub 13 ', accelerate the 12 ' wearing and tearing of polyurethane rubber slab, caused polyurethane rubber slab 12 ' to lose efficacy; And when polyurethane rubber slab 12 ' lost efficacy, mud just can infiltrate outer section 112 ' of seal channel from the inner segment 111 ' of seal channel and can't get out, and then invaded the axle head to mixer, the damage of the agitator shaft end that causes, the service life of shortening mixer.
The utility model content
The purpose of this utility model provides a kind of discharge mechanism of the axle end sealing device for concrete mixer, and it can be beneficial to the seal channel that mud is discharged axle end sealing device, the service life of extending shaft end sealing device.
For achieving the above object, the technical solution adopted in the utility model is:
Be used for the discharge mechanism of the axle end sealing device of concrete mixer, have the discharge body, be distributed with the perforation guiding gutter on this discharge body, each connects guiding gutter is oblique consistent skewed slot or the consistent helicla flute of the hand of spiral.
Above-mentioned discharge body comprises outer shroud and the interior ring that is nested, and above-mentioned perforation guiding gutter is for connecting the axial cylinder guiding gutter of above-mentioned outer shroud or interior ring.
Above-mentioned cylinder guiding gutter is opened on the inwall of above-mentioned outer shroud, perhaps is opened on the outer wall of above-mentioned interior ring, perhaps is opened on the inwall of above-mentioned interior ring, perhaps is opened on the inwall of the inwall of above-mentioned outer shroud and above-mentioned interior ring.
Be distributed with the end face guiding gutter that connects the inside and outside circle of ring in this on one end face of above-mentioned interior ring, each above-mentioned end face guiding gutter is skewed slot or helicla flute, and each above-mentioned end face guiding gutter and each above-mentioned cylinder guiding gutter one by one correspondence are connected and are oblique consistent or the hand of spiral is consistent.
An axial end of above-mentioned outer shroud is connected with ring seat, the interior edge of this ring seat extends in the above-mentioned interior ring, form for the respective ends of above-mentioned interior ring against prominent edge, above-mentioned prominent edge is distributed with the end face guiding gutter of the inside and outside circle that connects this prominent edge on the end face of above-mentioned interior ring, each above-mentioned end face guiding gutter is skewed slot or helicla flute, and each above-mentioned end face guiding gutter and each above-mentioned cylinder guiding gutter one by one correspondence are connected and are oblique consistent or the hand of spiral is consistent.
After adopting such scheme, discharge mechanism of the present utility model, the sealing medium (oil is or/and water) that is flowed to by the seal channel of axle end sealing device in the guiding gutter of discharge mechanism plays the effect that the mud that stops in the stirring cylinder is invaded seal channel to a certain extent.The mud of small part is invaded the guiding gutter of discharge mechanism and the seal channel of axle end sealing device, when discharge mechanism rotates with the mixer main shaft, mud in the guiding gutter is motionless, according to relative motion principle, the relative discharge mechanism counter motion of mud, utilize the design feature (with skewed slot or the helicla flute of the direction of rotation of mixer main shaft) of guiding gutter, then the mud in the seal channel of guiding gutter and axle end sealing device just can form slurry flows along guiding gutter and got rid of back in the stirring cylinder, thereby realize the purpose in the service life of extending shaft end sealing device, and the water of leaving in the guiding gutter also can form water-stop, further improves the sealing effectiveness of axle end sealing device.
Description of drawings
Fig. 1 is the structural representation of the sealing structure of shaft end of existing concrete mixer;
The perspective exploded view of Fig. 2 the utility model embodiment one;
Fig. 3 is the front view of interior ring among the utility model embodiment one;
Fig. 4 is the right view of interior ring among the utility model embodiment one;
Fig. 5 is the rearview of interior ring among the utility model embodiment one;
Fig. 6 is the structural representation that the utility model embodiment one is applied to the axle end sealing device of concrete mixer;
Fig. 7 is the local enlarged diagram at A position among Fig. 6;
Fig. 8 is the perspective exploded view of the utility model embodiment two;
Fig. 9 is the perspective exploded view of the utility model embodiment three;
Figure 10 is the perspective exploded view of the utility model embodiment four;
Figure 11 is the perspective exploded view of the utility model embodiment five;
Figure 12 is the perspective exploded view of the utility model embodiment six;
Figure 13 is the perspective exploded view of the utility model embodiment seven.
The specific embodiment
Such as Fig. 6; shown in 7; sheathed solid welding has axle sleeve 11 on the stirring main shaft 1 of concrete mixer; the axle end sealing device of concrete mixer; be installed on the axle head of the stirring main shaft 1 of concrete mixer; axle end sealing device of the present utility model has shaft end seal part 3 and water supply part 4; shaft end seal part 3 comprises the sealing ring 31 that is set on the axle sleeve 11; terminal pad 32 and protection ring 33; sealing ring 31 wears and is welded on the axle sleeve 11; terminal pad 32 tight fits are sheathed on outside the sealing ring 31 and are fastened on the stirring cylinder 2; take the axle head of the stirring main shaft 1 of concrete mixer as outside; in the stirring cylinder 2 of mixer was, protection ring 33 was fixedly installed on the stirring cylinder 2 and is positioned at the inboard of terminal pad 32.Discharge mechanism 5 of the present utility model, be set on the axle sleeve 11 and be located in terminal pad 32 and protection ring 33 between.Gap between gap between discharge mechanism 5 and the axle sleeve 11 and the inner and outer ring of discharge mechanism 5 consists of the seal channel 34 that is connected.
The utility model is used for the discharge mechanism of the axle end sealing device of concrete mixer; embodiment is just like shown in Fig. 2-5; comprise the outer shroud 51 and the interior ring 52 that are nested; comprise outer shroud 51 ring body 511 and one are fixed in the ring seat 510 of ring body 511 outer ends; ring seat 510 sandwicheds are fixed between terminal pad 32 and the protection ring 33; the interior edge of ring seat 510 extends in the ring body 511; form for the outer end of interior ring 52 against prominent along 512; interior ring 52 adaptive being embedded in the ring body 511, axle sleeve 11 is set on the inwall of interior ring 52.
Be distributed with the end face guiding gutter 521 of the inside and outside circle of ring 52 in the perforation on the outer face of interior ring 52, be distributed with on the outer wall of interior ring 52 (face of cylinder) and connect the interior 52 axial cylinder guiding gutters 522 that encircle.Each end face guiding gutter 521 and cylinder guiding gutter 522 are uniformly distributed on the face at place, and each end face guiding gutter 521 and each cylinder guiding gutter 522 are corresponding and be connected one by one.End face guiding gutter 521 and cylinder guiding gutter 522 can adopt skewed slot or helicla flute, end face guiding gutter 521 and cylinder guiding gutter 522 the oblique consistent or hand of spiral is consistent.In the present embodiment, end face guiding gutter 521 is oblique consistent skewed slot with 522 employings of cylinder guiding gutter.
The inner radius of interior ring 52 is provided with keyway 523, correspondingly, can be provided with the key 111 that matches at the axle sleeve 11 that stirs main shaft, by the cooperation of key 111 and keyway 523, interior ring 52 is anchored on the axle sleeve 11.
After adopting such scheme, discharge mechanism of the present utility model, during installation, make the incline direction and the corresponding direction of rotation that stirs main shaft 1 of end face guiding gutter 521 and cylinder guiding gutter 522, the end face guiding gutter 521 and the sealing medium (water is or/and oil) in the cylinder guiding gutter 522 that are flowed to discharge mechanism by seal channel 34 play the effect that the mud that stops in the stirring cylinder is invaded seal channel 34 to a certain extent.The mud of small part is invaded the end face guiding gutter 521 of discharge mechanism, cylinder guiding gutter 522 and seal channel 34, when discharge mechanism 5 rotates with stirring main shaft 1, mud in end face guiding gutter 521 and the cylinder guiding gutter 522 is motionless, according to relative motion principle, relative discharge mechanism 5 counter motions of mud, utilize the design feature (with skewed slot or the helicla flute of the direction of rotation that stirs main shaft 1) of end face guiding gutter 521 and cylinder guiding gutter 522, then the end face guiding gutter 521, mud in cylinder guiding gutter 522 and the seal channel 34 just can be got rid of back in the stirring cylinder along end face guiding gutter 511 and cylinder guiding gutter 512 formation slurry flows, thereby realize the purpose in the service life of extending shaft end sealing device, and the water of leaving in end face guiding gutter 521 and the cylinder guiding gutter 522 also can form water-stop, further improves the sealing effectiveness of axle end sealing device.
In above-described embodiment that the utility model is given, the cylinder of interior ring 52 and end face all offer guiding gutter, can obtain better water conservancy diversion effect.And in fact, only need to offer guiding gutter at the cylinder of interior ring 52, the mud in cylinder guiding gutter 522 and the seal channel 34 is got rid of back in the stirring cylinder along cylinder guiding gutter 522 formation slurry flows.
Embodiment two:
The difference of present embodiment and embodiment one only is: interior ring 52 is the ring of light, and the end face guiding gutter and the cylinder guiding gutter that are used for water conservancy diversion are opened in outer shroud 51.
As shown in Figure 8, it is prominent along on 512 inner faces and connect prominently along 512 inside and outside circle that end face guiding gutter 513 is opened in outer shroud 51, and cylinder guiding gutter 514 is opened on the inwall of ring body 511 of outer shroud.The structure of end face guiding gutter 513 and cylinder guiding gutter 514 and mutual alignment relation are identical with embodiment one.
Embodiment three:
The difference of present embodiment and embodiment one only is: the cylinder guiding gutter is opened on the outer shroud 51.
As shown in Figure 9, end face guiding gutter 521 is opened on the outer face of interior ring 52, and cylinder guiding gutter 514 is opened on the inwall of ring body 511 of outer shroud.The structure of end face guiding gutter 521 and cylinder guiding gutter 514 and mutual alignment relation are identical with embodiment one.
Embodiment four:
The difference of present embodiment and embodiment one only is: the end face guiding gutter is opened in the prominent along on 512 of outer shroud.
As shown in figure 10, end face guiding gutter 513 is opened in the prominent along also connecting the inside and outside circle of dashing forward along 512 on 512 inner faces of outer shroud 51, and cylinder guiding gutter 522 is opened on the outer wall of interior ring 51.The structure of end face guiding gutter 513 and cylinder guiding gutter 522 and mutual alignment relation are identical with embodiment one.
Embodiment five:
The difference of present embodiment and embodiment one only is: the cylinder guiding gutter is opened in respectively on the inwall of ring body 511 of outer shroud and on the inwall of interior ring 52.
As shown in figure 11, end face guiding gutter 521 is opened on the outer face of interior ring 52, and the inwall of the ring body 511 of outer shroud and the inwall of interior ring 52 offer respectively cylinder guiding gutter 514,524.End face guiding gutter 521 and cylinder guiding gutter 514,524 structure are identical with embodiment one respectively, and end face guiding gutter 521 is also identical with embodiment one respectively with the mutual alignment relation of cylinder guiding gutter 524 with mutual alignment relation, the end face guiding gutter 521 of cylinder guiding gutter 514.
Embodiment six:
The difference of present embodiment and embodiment one only is: the end face guiding gutter is opened in the prominent along on 512 of outer shroud, and the cylinder guiding gutter is opened in respectively on the inwall of ring body 511 of outer shroud and on the inwall of interior ring 52.
As shown in figure 12, end face guiding gutter 513 is opened in the prominent along also connecting the inside and outside circle of dashing forward along 512 on 512 inner faces of outer shroud 51, and the inwall of the ring body 511 of outer shroud and the inwall of interior ring 52 offer respectively cylinder guiding gutter 514,524.End face guiding gutter 513 and cylinder guiding gutter 514,524 structure are identical with embodiment one respectively, and end face guiding gutter 513 is also identical with embodiment one respectively with the mutual alignment relation of cylinder guiding gutter 524 with mutual alignment relation, the end face guiding gutter 513 of cylinder guiding gutter 514.
Embodiment seven:
The difference of present embodiment and embodiment one only is: lacked the end face guiding gutter, and the cylinder guiding gutter is opened in respectively on the inwall of interior ring 52.
As shown in figure 13, cylinder guiding gutter 524 is opened on the inwall of interior ring 52.Cylinder guiding gutter 524 structures are identical with embodiment one.
The above is the explanation that the utility model is done, and is not to be to restriction of the present utility model, does not anyly break away from the new claims of this practicality and description is revised for it, changed or equivalence is replaced, and all belongs to the scope that the utility model is protected.
Claims (5)
1. be used for the discharge mechanism of the axle end sealing device of concrete mixer, it is characterized in that: have the discharge body, be distributed with the perforation guiding gutter on this discharge body, each connects guiding gutter is oblique consistent skewed slot or the consistent helicla flute of the hand of spiral.
2. the discharge mechanism of the axle end sealing device for concrete mixer according to claim 1, it is characterized in that: above-mentioned discharge body comprises outer shroud and the interior ring that is nested, and above-mentioned perforation guiding gutter is for connecting the axial cylinder guiding gutter of above-mentioned outer shroud or interior ring.
3. the discharge mechanism of the axle end sealing device for concrete mixer according to claim 2, it is characterized in that: above-mentioned cylinder guiding gutter is opened on the inwall of above-mentioned outer shroud, perhaps be opened on the outer wall of above-mentioned interior ring, perhaps be opened on the inwall of above-mentioned interior ring, perhaps be opened on the inwall of the inwall of above-mentioned outer shroud and above-mentioned interior ring.
4. according to claim 2 or the discharge mechanism of 3 described axle end sealing devices for concrete mixer, it is characterized in that: be distributed with the end face guiding gutter that connects the inside and outside circle of ring in this on the end face of above-mentioned interior ring, each above-mentioned end face guiding gutter is skewed slot or helicla flute, and each above-mentioned end face guiding gutter and each above-mentioned cylinder guiding gutter one by one correspondence are connected and are oblique consistent or the hand of spiral is consistent.
5. according to claim 2 or the discharge mechanism of 3 described axle end sealing devices for concrete mixer, it is characterized in that: an axial end of above-mentioned outer shroud is connected with ring seat, the interior edge of this ring seat extends in the above-mentioned interior ring, form for the respective ends of above-mentioned interior ring against prominent edge, above-mentioned prominent edge is distributed with the end face guiding gutter of the inside and outside circle that connects this prominent edge on the end face of above-mentioned interior ring, each above-mentioned end face guiding gutter is skewed slot or helicla flute, and each above-mentioned end face guiding gutter and each above-mentioned cylinder guiding gutter one by one correspondence are connected and are oblique consistent or the hand of spiral is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333965 CN202781447U (en) | 2012-07-10 | 2012-07-10 | Discharging mechanism for shaft end sealing device of concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333965 CN202781447U (en) | 2012-07-10 | 2012-07-10 | Discharging mechanism for shaft end sealing device of concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202781447U true CN202781447U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220333965 Withdrawn - After Issue CN202781447U (en) | 2012-07-10 | 2012-07-10 | Discharging mechanism for shaft end sealing device of concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202781447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747118A (en) * | 2020-12-30 | 2021-05-04 | 中南大学 | Shaft end sealing device of powder material mixing equipment and mounting method thereof |
-
2012
- 2012-07-10 CN CN 201220333965 patent/CN202781447U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747118A (en) * | 2020-12-30 | 2021-05-04 | 中南大学 | Shaft end sealing device of powder material mixing equipment and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CAI DAQI Free format text: FORMER OWNER: QUANZHOU BOD MECHANICAL CO., LTD. Effective date: 20131216 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 362341 QUANZHOU, FUJIAN PROVINCE TO: 362300 QUANZHOU, FUJIAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131216 Address after: 362300 No. 378, hung Bang village, Zhang Zhen Town, Guan Qiao Town, Fujian, Nanan Patentee after: Cai Daqi Address before: 362341 Fujian city of Quanzhou province Nanan City Guan Qiao Zhen Hongbang Industrial Zone Patentee before: Quanzhou Bode Machinery Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20140709 |
|
| RGAV | Abandon patent right to avoid regrant |