CN220087075U - Direct-drive structure of pressure screen - Google Patents
Direct-drive structure of pressure screen Download PDFInfo
- Publication number
- CN220087075U CN220087075U CN202223607937.4U CN202223607937U CN220087075U CN 220087075 U CN220087075 U CN 220087075U CN 202223607937 U CN202223607937 U CN 202223607937U CN 220087075 U CN220087075 U CN 220087075U
- Authority
- CN
- China
- Prior art keywords
- motor
- main shaft
- pressure screen
- bearing
- assembly
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000000498 cooling water Substances 0.000 claims description 29
- 210000004907 gland Anatomy 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a direct-drive structure of a pressure screen, which comprises a motor assembly and a transmission assembly connected with the motor assembly in a matched manner; the motor assembly comprises a shell, and a motor stator and a motor rotor which are arranged in the shell, wherein the motor stator is fixed on the inner side of the shell, and the motor rotor rotates between the motor stators; the transmission assembly comprises a main shaft, and one end of the main shaft extends into the shell and is connected with the motor rotor. The utility model omits components such as a motor, a coupler shield and the like through the direct-drive transmission structure, has small occupied space, reduces steps in the assembly process, and further improves the production efficiency.
Description
Technical Field
The utility model relates to the technical field of pressure screens, in particular to a direct-drive structure of a pressure screen.
Background
The pressure screen is used as a pulping line of the domestic papermaking industry, the technology of the pressure screen is mature, domestic manufacturers are introduced from the initial technology and gradually transition to technical innovation, and the pressure screen is adjusted in various aspects to be more suitable for the domestic papermaking enterprises.
Pressure screening is classified into a vertical pressure screen and a horizontal pressure screen according to the installation form, and the horizontal pressure screen is generally used for screening sections with small screening area and high rotation speed requirement, such as a black liquor filter. The horizontal pressure screen is generally composed of a motor, a coupling, a transmission part, a rotor, a screen cylinder, a shell and the like. However, the components occupy more space, the correction and assembly procedures of the coupler are required to be carried out on site in the installation process, the manufacturing period is prolonged, and the production efficiency is not very high.
Disclosure of Invention
The utility model aims to solve the defects of the technology and design the technology to improve the use effect and the practical performance.
The direct-drive structure of the pressure screen comprises a motor component and a transmission component which is connected with the motor component in a matched manner; the motor assembly comprises a shell, and a motor stator and a motor rotor which are arranged in the shell, wherein the motor stator is fixed on the inner side of the shell, and the motor rotor rotates between the motor stators; the transmission assembly comprises a main shaft, and one end of the main shaft extends into the shell and is connected with the motor rotor.
By adopting the technical scheme, when the motor rotor starts to rotate, the main shaft is directly driven to rotate. Through direct drive formula transmission structure, save components such as motor, shaft coupling and shaft coupling guard shield, have occupation of land space little, with low costs. Meanwhile, the purpose of directly driving the rotor to drive when the motor stator and the motor rotor run is achieved, the structure is simpler, the transmission efficiency is higher, the on-site coupler correction and assembly procedures are saved, the manufacturing period is shortened, the operation is convenient, and the production efficiency is greatly improved.
Optionally, an expansion sleeve is arranged between the motor rotor and the main shaft for fixing the motor rotor and the main shaft.
By adopting the technical scheme, the connection stability between the motor rotor and the main shaft is improved.
Optionally, a bearing chamber for accommodating the spindle is formed in the housing, and a first bearing assembly is installed in the bearing chamber; the first bearing assembly comprises a first bearing sleeved on one side of the main shaft and a first gland fixed on the shell, and the first bearing is fixed in the bearing chamber by the first gland.
Through adopting above-mentioned technical scheme, through the rotation that one side that first bearing assembly made the main shaft can be stable, the frictional force that reduces the rotation and produce, the probability that the main shaft dropped in the rotatory in-process is reduced in the design of first gland.
Optionally, a second bearing assembly is arranged on the other side of the shell towards the main shaft; the second bearing assembly comprises a second bearing sleeved on the main shaft and a second gland fixed on the shell, and a through hole for the main shaft to penetrate is formed in the second gland, so that the second bearing is fixed.
Through adopting above-mentioned technical scheme, through the opposite side that second bearing assembly made the main shaft can be stable rotatory to reduce rotatory frictional force that produces, the probability that the second gland can reduce the second bearing and drop in design.
Optionally, the direct drive structure of the pressure screen further comprises a fixing structure comprising legs for supporting the housing.
By adopting the technical scheme, the stability of the pressure screen in the use process is improved.
Optionally, the fixing structure further includes a base, and the base is detachably connected with the supporting leg.
By adopting the technical scheme, the stability of the pressure screen in the use process is further improved, and the pressure screen is convenient to move and fix.
Optionally, a cooling water outlet and a cooling water inlet are formed in the shell, and the cooling water outlet and the cooling water inlet are communicated with each other.
Through adopting above-mentioned technical scheme, because the main shaft is direct to rotate in the shell, can make can produce a large amount of heat at rotatory in-process, through the design of cooling water export and cooling water import, increased the cooling efficiency of shell, and then improve the cooling efficiency of main shaft.
Optionally, the cooling water outlet is located below the cooling water inlet.
By adopting the technical scheme, the cooling water flows under the action of gravity, and the cooling efficiency of the main shaft is improved.
Optionally, the motor stator is a permanent magnet motor stator.
The direct-drive structure of the pressure screen has the following practical effects:
1. in the utility model, when the motor rotor starts to rotate, the main shaft is directly driven to rotate, so that components such as a motor, a coupler shield and the like are omitted, and the utility model has the advantages of small occupied space and low cost;
2. the motor rotor in the utility model directly drives the rotor to drive when in operation, has simple structure and high transmission efficiency, saves the correction and assembly procedures of the on-site coupler, shortens the manufacturing period, is convenient to operate, and greatly improves the production efficiency;
3. in the utility model, the motor rotor directly drives the main shaft to rotate, so that a large amount of heat is generated, and the cooling efficiency of the shell is increased through the cooling water outlet and the cooling water inlet, so that the cooling efficiency of the main shaft is improved.
Drawings
FIG. 1 is a cross-sectional view of a direct drive configuration of a pressure screen in an embodiment of the utility model;
fig. 2 is a cross-sectional view of a direct drive configuration of a pressure screen in an embodiment of the utility model.
In the figure: 1. a motor assembly; 11. a housing; 12. a motor stator; 13. a motor rotor; 14. a bearing chamber; 15. a cooling water outlet; 16. a cooling water inlet; 2. a transmission assembly; 21. a main shaft; 22. a first bearing assembly; 221. a first bearing; 222. a first gland; 23. a second bearing assembly; 231. a second bearing; 232. a second gland; 2321. a through hole; 3. a fixed structure; 31. a support leg; 32. and (5) a base.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
As shown in fig. 1 and 2, the direct-drive structure of the pressure screen described in this embodiment includes a motor assembly 1 and a transmission assembly 2 cooperatively connected with the motor assembly 1. The motor assembly 1 comprises a housing 11 and a motor stator 12 and a motor rotor 13 mounted in the housing 11, the motor stator 12 being fixed inside the housing 11, the motor rotor 13 rotating between the motor stators 12 when the motor assembly 1 is energized. The transmission assembly 2 comprises a main shaft 21, and one end of the main shaft 21 extends into the housing 11 and is connected with the motor rotor 13 through an expansion sleeve. When the motor rotor 13 starts to rotate, the main shaft 21 is directly driven to rotate. Through direct drive formula transmission structure, save components such as motor, shaft coupling and shaft coupling guard shield, have occupation of land space little, with low costs. Meanwhile, the purpose of directly driving the rotor to drive when the motor stator 12 and the motor rotor 13 run is achieved, the structure is simpler, the transmission efficiency is higher, the on-site coupler correction and assembly procedures are saved, the manufacturing period is shortened, the operation is convenient, and the production efficiency is greatly improved. Specifically, the permanent magnet motor stator 12 adopted by the motor stator 12 further improves the service life of the pressure screen.
Referring to fig. 2, a bearing chamber 14 for accommodating a main shaft 21 is formed in the housing 11, and a first bearing assembly 22 is installed in the bearing chamber 14, so that one side of the main shaft 21 can stably rotate, and friction generated by rotation is reduced. The first bearing assembly 22 includes a first bearing 221 sleeved on one side of the main shaft 21 and a first gland 222 fixed on the housing 11, and the first gland 222 fixes the first bearing 221 in the bearing chamber 14. In the embodiment of the present utility model, an oil seal, a round nut and a retaining washer are disposed on one side of the first bearing 221 at a time, so as to further reduce the friction generated by the rotation of the main shaft 21. Also, the design of the first gland 222 of the first bearing assembly 22 reduces the probability of the spindle 21 falling during rotation.
Similarly, referring to fig. 2, the housing 11 is provided with a second bearing assembly 23 toward the other side of the main shaft 21; the second bearing assembly 23 includes a second bearing 231 sleeved on the main shaft 21 and a second pressing cover 232 fixed on the housing 11, and a through hole 2321 is formed in the second pressing cover 232 for the main shaft 21 to pass through, so that the second bearing 231 is fixed. The second bearing assembly 23 enables the other side of the main shaft 21 to rotate stably, and reduces friction generated by the rotation, and the second gland 232 is designed to reduce the probability of the second bearing 231 falling off.
Referring to fig. 2, a cooling water outlet 15 and a cooling water inlet 16 are formed in the housing 11, and the cooling water outlet 15 and the cooling water inlet 16 are communicated with each other. And in the embodiment of the utility model it is used that the cooling water outlet 15 is located below the cooling water inlet 16. Since the main shaft 21 directly rotates in the housing 11, a large amount of heat is generated during the rotation, and the cooling efficiency of the housing 11 is increased by the design of the cooling water outlet 15 and the cooling water inlet 16, thereby improving the cooling efficiency of the main shaft 21. The motor stator 12 is a permanent magnet motor stator 12.
Referring to fig. 1, the direct drive structure of the pressure screen further includes a fixing structure 3, the fixing structure 3 includes a leg 31 for supporting the housing 11 and a base 32, and the base 32 is detachably connected with the leg 31. And further, the stability of the pressure screen in the use process is improved, and the movement and the fixation of the pressure screen are facilitated.
The implementation principle of the direct-drive structure of the pressure screen described in the embodiment is that when the motor assembly 1 starts to be electrified, the motor rotor 13 rotates to drive the main shaft 21 to rotate, so that components such as a motor, a coupler and a coupler shield are omitted, and the direct-drive structure has small occupied space and low cost; in addition, since the motor rotor 13 directly drives the main shaft 21 to rotate, a large amount of heat is generated, the cooling efficiency of the housing 11 is increased through the cooling water outlet 15 and the cooling water inlet 16, and the cooling efficiency of the main shaft 21 is further improved.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (9)
1. The direct-drive structure of the pressure screen is characterized by comprising a motor assembly (1) and a transmission assembly (2) which is connected with the motor assembly (1) in a matching way;
the motor assembly (1) comprises a shell (11), and a motor stator (12) and a motor rotor (13) which are arranged in the shell (11), wherein the motor stator (12) is fixed on the inner side of the shell (11), and the motor rotor (13) rotates between the motor stators (12);
the transmission assembly (2) comprises a main shaft (21), and one end of the main shaft (21) stretches into the shell (11) and is connected with the motor rotor (13).
2. The direct drive structure of a pressure screen according to claim 1, characterized in that an expansion sleeve is arranged between the motor rotor (13) and the main shaft (21) for fixing the two.
3. The direct drive structure of a pressure screen according to claim 1, wherein a bearing chamber (14) for accommodating the main shaft (21) is formed on the housing (11), and a first bearing assembly (22) is installed in the bearing chamber (14);
the first bearing assembly (22) comprises a first bearing (221) sleeved on one side of the main shaft (21) and a first gland (222) fixed on the shell (11), and the first bearing (221) is fixed in the bearing chamber (14) by the first gland (222).
4. A direct drive structure of a pressure screen according to claim 3, characterized in that the housing (11) is provided with a second bearing assembly (23) towards the other side of the main shaft (21);
the second bearing assembly (23) comprises a second bearing (231) sleeved on the main shaft (21) and a second gland (232) fixed on the shell (11), and a through hole (2321) for the main shaft (21) to penetrate is formed in the second gland (232) so that the second bearing (231) is fixed.
5. A direct drive structure of a pressure screen according to claim 1, further comprising a stationary structure (3), the stationary structure (3) comprising legs (31) for supporting the housing (11).
6. The direct drive structure of a pressure screen according to claim 5, characterized in that the stationary structure (3) further comprises a base (32), the base (32) being detachably connected with the leg (31).
7. The direct-drive structure of the pressure screen according to claim 1, wherein a cooling water outlet (15) and a cooling water inlet (16) are formed in the housing (11), and the cooling water outlet (15) and the cooling water inlet (16) are communicated with each other.
8. Direct drive structure of a pressure screen according to claim 7, characterized in that the cooling water outlet (15) is located below the cooling water inlet (16).
9. The direct drive structure of a pressure screen according to claim 8, wherein the motor stator (12) is a permanent magnet motor stator (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223607937.4U CN220087075U (en) | 2022-12-31 | 2022-12-31 | Direct-drive structure of pressure screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223607937.4U CN220087075U (en) | 2022-12-31 | 2022-12-31 | Direct-drive structure of pressure screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220087075U true CN220087075U (en) | 2023-11-24 |
Family
ID=88823895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223607937.4U Active CN220087075U (en) | 2022-12-31 | 2022-12-31 | Direct-drive structure of pressure screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220087075U (en) |
-
2022
- 2022-12-31 CN CN202223607937.4U patent/CN220087075U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107508423B (en) | High-grade steel efficient heat dissipation permanent magnet synchronous motor | |
| CN106837814A (en) | A kind of micro centrifugal pump | |
| CN220087075U (en) | Direct-drive structure of pressure screen | |
| CN109869321B (en) | Hollow cup rotor water pump and new energy automobile | |
| CN201428622Y (en) | Canned electric submersible sewage pump | |
| CN214626631U (en) | Internal heat radiation structure of micro turbine generator | |
| CN216895766U (en) | High-speed shaft sealing ring for gearbox of wind turbine generator | |
| CN220079561U (en) | Direct-drive structure of vertical pressure screen | |
| CN210033860U (en) | Hollow cup rotor water pump and new energy automobile | |
| CN210819204U (en) | Electromechanical rotor test mount pad | |
| CN212130894U (en) | Double water cooling structure of water pump | |
| CN209057033U (en) | A kind of generator amature axle construction | |
| CN209228650U (en) | A kind of integral type centrifugal compressor | |
| CN208749596U (en) | A kind of submersible pump | |
| CN207518435U (en) | Accelerate heat dissipation protected type motor | |
| CN105351208A (en) | Cantilever type explosion-proof high-speed low-temperature pump | |
| CN219199341U (en) | Air guiding structure of axial flow fan of integrated air conditioner | |
| CN205297941U (en) | Explosion -proof high -speed cryogenic pump of cantilever type | |
| CN221257570U (en) | Belt transmission hybrid power device with built-in water turbine | |
| CN215171076U (en) | Centrifugal pump convenient to install and detach for oil slurry scale inhibitor production | |
| CN219499150U (en) | Single-phase asynchronous motor | |
| CN218669321U (en) | Semi-direct-drive oil pumping unit | |
| CN116677628B (en) | High-speed direct-connection blower | |
| CN208955870U (en) | A kind of brushless motor segmentation Magnmet rotor | |
| CN218301081U (en) | Crankshaft heat dissipation type permanent magnet torque motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |