CN209408896U - Cement blender - Google Patents
Cement blender Download PDFInfo
- Publication number
- CN209408896U CN209408896U CN201821753333.1U CN201821753333U CN209408896U CN 209408896 U CN209408896 U CN 209408896U CN 201821753333 U CN201821753333 U CN 201821753333U CN 209408896 U CN209408896 U CN 209408896U
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- sleeve
- pitman shaft
- gland
- wall
- airtight
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Abstract
The utility model discloses a kind of cement blenders, it is related to engineering construction apparatus field, its key points of the technical solution are that, including base, driving device, pitman shaft, pitman shaft is successively provided with gland on shaft from top to bottom, stirring blade, gland is contradicted in the downside of base, and stirring blade is located at the end of pitman shaft, pitman shaft is equipped with mechanical sealing assembly in the upside of gland, pitman shaft is equipped with packing seal component in the downside of gland, packing seal component includes the first sleeve being connected on gland, second sleeve and airtight and watertight padding, second sleeve is connect by fastening assembly with first sleeve, second sleeve is connected between first sleeve inner wall and pitman shaft outer wall, filler is connected between the outer wall of second sleeve and the inner wall of first sleeve.It has the technical effect that, by the setting of packing seal component and mechanical sealing assembly, the sealing performance of whole device is more preferable, and mechanical transmission component is avoided to be influenced by slurries.
Description
Technical field
The utility model relates to engineering construction apparatus field, in particular to a kind of cement blender.
Background technique
Construction site cement mixing be one all the time without work, it is existing large size mixing plant mainly stir
Machine etc. is mixed, but in general small construction site, such as the building construction of rural area construction, many cement mixing work are all artificial
Stirring, traditional stirring means, which are substantially divided to mix or be contained in agitator on ground, adds water conservancy to be stirred with general purpose tool
It mixes, under stirring efficiency, large labor intensity.
Cement blender be it is a kind of cement and water mixing and mixing at concrete mixture machinery.Including motor housing,
Pitman shaft, handle, installed inside motor are installed outside the motor box body, and the motor drives pitman shaft, the company
Bar axis is successively provided with gland, stirring blade on shaft from top to bottom.It is used as using cement blender and is stirring tool significantly
Improve stirring efficiency.But the stirring blade on the downside of pitman shaft gland is in whipping process in use process, slurries are from connecting rod
Axis leakage is easy to influence project progress to mechanical disorder is caused.
Utility model content
The purpose of the utility model is to provide a kind of cement blenders, and the leakproofness with mechanical driving part is good,
It is not easy the advantages of being affected.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of cement blender, including base and driving device, pitman shaft is rotatablely connected on institute's base, and driving device drives
Pitman shaft rotation, the pitman shaft are successively provided with gland, stirring blade on shaft from top to bottom, and gland is contradicted in base
Downside, and stirring blade is located at the end of pitman shaft, the pitman shaft is equipped with mechanical sealing assembly, pitman shaft in the upside of gland
It is equipped with packing seal component in the downside of gland, the packing seal component includes the first sleeve being connected on gland, second
Sleeve and airtight and watertight padding, second sleeve are connect by fastening assembly with first sleeve, and the second sleeve is connected to first sleeve
Between inner wall and pitman shaft outer wall, filler is connected between the outer wall of second sleeve and the inner wall of first sleeve.
Link position setting packing seal component and machine by using above-mentioned technical proposal, between pitman shaft and gland
Tool seal assembly, mechanical sealing assembly are placed in the top of pitman shaft, and the sealing of first time, packing seal group are carried out to mechanical part
Part is placed in the lower part of pitman shaft, obstructs to lower slurry, the available packing seal component of mechanical part and mechanical seal
The protection of component two seals process, avoids being influenced by slurries.
Further setting: the outer wall of the first sleeve is equipped with the first trunnion, and the outer wall of second sleeve is equipped with second
Trunnion, fastening assembly wear the first trunnion of connection and the second trunnion.
By using above-mentioned technical proposal, the second trunnion and the second trunnion are located on outer wall, extend convenient for fastening assembly
Setting and installation.
Further setting: the fastening assembly is stud.
By using above-mentioned technical proposal, preferably first sleeve is connected with second sleeve by stud, and leads to
The tightening process of bolt is crossed, the elasticity of packing seal component is adjusted.
Further setting: the inner wall of the first sleeve is equipped with bulge loop, and the thickness of bulge loop and the thickness of second sleeve are identical,
The placement region for airtight and watertight padding is formed between bulge loop and the axial end of second sleeve.
By using above-mentioned technical proposal, the bottom of airtight and watertight padding is abutted on the end face of second sleeve, and top is connected to convex
It on ring, will not move up and down, so that the medial surface of airtight and watertight padding is more firm to connecting rod sealing.
Further setting: the first sleeve is greater than the axial length of the airtight and watertight padding along the axial length that bulge loop extends below out.
By using above-mentioned technical proposal, it is ensured that sealing effect.
Further setting: the thickness of the airtight and watertight padding is greater than the thickness of bulge loop and second sleeve.
It is further to increase airtight and watertight padding to the sealing intensity of pitman shaft by using above-mentioned technical proposal.
Further setting: the lower part of the inner ring of the second sleeve and pitman shaft gap setting.
By using above-mentioned technical proposal, contact portion increases friction between second sleeve and pitman shaft, passes through gap
Setting reduces fretting wear.
Further setting: the mechanical sealing assembly is installed by screw to gland.
By using above-mentioned technical proposal, mechanical sealing assembly is mounted on gland, and stability is more preferable.
In conclusion the utility model has the following beneficial effects: 1, pass through packing seal component and mechanical sealing assembly
Setting, the sealing performance of whole device is more preferable, and mechanical transmission component is avoided to be influenced by slurries.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the cement blender under the first preferred embodiment；
Fig. 2 is the structural schematic diagram of mechanical sealing assembly under the first preferred embodiment, packing seal component.
In figure, 1, base；2, driving device；3, pitman shaft；4, gland；5, stirring blade；6, mechanical sealing assembly；7,
One sleeve；8, second sleeve；9, airtight and watertight padding；10, bulge loop；11, the first trunnion；12, the second trunnion；13, fastening assembly；14,
Gap；15, packing seal component；16, screw.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The first preferred embodiment:
A kind of cement blender is rotatablely connected pitman shaft on institute's base 1 as shown in Figure 1, including base 1 and driving device 2
3, driving device 2 be decelerating motor, decelerating motor outputting rotary power, and drive pitman shaft 3 rotate.
Pitman shaft 3 is successively provided with gland 4, stirring blade 5 on shaft from top to bottom, and gland 4 contradicts under base 1
Side, and stirring blade 5 is located at the end of pitman shaft 3.
As shown in Fig. 2, pitman shaft 3 is equipped with mechanical sealing assembly 6 in the upside of gland 4, mechanical sealing assembly 6 is by screw 16
On installation to gland 4.Hermetic barrier to the mechanical part of 4 above section of gland is completed by mechanical sealing assembly 6.
As shown in Fig. 2, pitman shaft 3 is equipped with packing seal component 15 in the downside of gland 4, packing seal component 15 includes connecting
First sleeve 7, second sleeve 8 and airtight and watertight padding 9 on gland 4 are connect, second sleeve 8 is connected to 7 inner wall of first sleeve and company
Between 3 outer wall of bar axis, the inner wall of first sleeve 7 is equipped with bulge loop 10, and the thickness of bulge loop 10 is identical as the thickness of second sleeve 8, convex
The placement region for airtight and watertight padding 9 is formed between ring 10 and the axial end of second sleeve 8, airtight and watertight padding 9 is installed in the area,
The outer ring of airtight and watertight padding 9 is connected on the outer wall of pitman shaft 3, and inner ring is connected on the inner wall of first sleeve 7, airtight and watertight padding 9
Thickness is greater than the thickness of bulge loop 10 and second sleeve 8.Axial both ends be limited in bulge loop 10 and second sleeve 8 end it
Between.First sleeve 7 is greater than the axial length of airtight and watertight padding 9 along the axial length that bulge loop 10 extends below out.
The outer wall of first sleeve 7 is equipped with the first trunnion 11, and the outer wall of second sleeve 8 is equipped with the second trunnion 12, and second
Sleeve 8 is connect by fastening assembly 13 with first sleeve 7, and fastening assembly 13 is stud, and stud wears connection first
Trunnion 11 and the second trunnion 12.Preferably first sleeve 7 and second sleeve 8 are connected by stud, and pass through bolt
Tightening process adjusts the elasticity of packing seal component 15.
The lower part and 3 gap 14 of pitman shaft of the inner ring of second sleeve 8 are arranged.Contact portion between second sleeve 8 and pitman shaft 3
Divide and increase friction, passes through gap 14 and reduction fretting wear is set.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of cement blender, including base (1) and driving device (2), pitman shaft (3) are rotatablely connected on institute's base (1), are driven
Dynamic device (2) drive pitman shaft (3) rotation, and the pitman shaft (3) is successively provided with gland (4) on shaft from top to bottom, stirs
It mixes blade (5), gland (4) is contradicted in the downside of base (1), and stirring blade (5) is located at the end of pitman shaft (3), feature
Be: the pitman shaft (3) is equipped with mechanical sealing assembly (6) in the upside of gland (4), and pitman shaft (3) is in the downside of gland (4)
Equipped with packing seal component (15), the packing seal component (15) includes the first sleeve (7) being connected on gland (4), the
Two sleeves (8) and airtight and watertight padding (9), second sleeve (8) are connect by fastening assembly (13) with first sleeve (7), and described second
Sleeve (8) is connected between first sleeve (7) inner wall and pitman shaft (3) outer wall, filler be connected to second sleeve (8) outer wall and
Between the inner wall of first sleeve (7).
2. cement blender according to claim 1, it is characterised in that: the outer wall of the first sleeve (7) is equipped with the
The outer wall of one trunnion (11), second sleeve (8) is equipped with the second trunnion (12), and fastening assembly (13) wears the first trunnion of connection
(11) and the second trunnion (12).
3. cement blender according to claim 2, it is characterised in that: the fastening assembly (13) is stud.
4. cement blender according to claim 3, it is characterised in that: the inner wall of the first sleeve (7) is equipped with bulge loop
(10), the thickness of bulge loop (10) is identical as the thickness of second sleeve (8), between bulge loop (10) and the axial end of second sleeve (8)
Form the placement region for airtight and watertight padding (9).
5. cement blender according to claim 4, it is characterised in that: the first sleeve (7) along bulge loop (10) below
The axial length extended is greater than the axial length of the airtight and watertight padding (9).
6. cement blender according to claim 5, it is characterised in that: the thickness of the airtight and watertight padding (9) is greater than bulge loop
(10) and the thickness of second sleeve (8).
7. cement blender according to claim 6, it is characterised in that: the lower part of the inner ring of the second sleeve (8) with
Pitman shaft (3) gap (14) setting.
8. cement blender according to claim 1, it is characterised in that: the mechanical sealing assembly (6) is by screw (16)
On installation to gland (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753333.1U CN209408896U (en) | 2018-10-26 | 2018-10-26 | Cement blender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753333.1U CN209408896U (en) | 2018-10-26 | 2018-10-26 | Cement blender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209408896U true CN209408896U (en) | 2019-09-20 |
Family
ID=67931266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821753333.1U Active CN209408896U (en) | 2018-10-26 | 2018-10-26 | Cement blender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209408896U (en) |
-
2018
- 2018-10-26 CN CN201821753333.1U patent/CN209408896U/en active Active
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| GR01 | Patent grant |