CN220227752U - Transmission system of cement grinding gear box - Google Patents
Transmission system of cement grinding gear box Download PDFInfo
- Publication number
- CN220227752U CN220227752U CN202321820951.4U CN202321820951U CN220227752U CN 220227752 U CN220227752 U CN 220227752U CN 202321820951 U CN202321820951 U CN 202321820951U CN 220227752 U CN220227752 U CN 220227752U
- Authority
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- China
- Prior art keywords
- positioning sleeve
- sleeve
- collar
- cement grinding
- connecting section
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- 239000004568 cement Substances 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- General Details Of Gearings (AREA)
Abstract
The utility model belongs to the technical field of gearbox transmission, and discloses a cement grinding gear box transmission system. The cement grinding gear box transmission system comprises a flexible shaft, an input gear, an output gear and a connecting assembly, wherein the output gear and the input gear are sleeved on the flexible shaft at intervals, and the output gear is provided with a connecting section; the connecting assembly comprises an outer positioning sleeve, an inner positioning sleeve and a fastening piece, wherein the outer positioning sleeve is sleeved on the connecting section, an annular cavity with gradually narrowed width along the first direction is arranged between the outer positioning sleeve and the connecting section, the inner positioning sleeve is arranged in the annular cavity, the inner peripheral surface of the inner positioning sleeve is abutted against the connecting section, and the outer peripheral surface of the inner positioning sleeve is abutted against the outer positioning sleeve; the fastener passes through the inner locating sleeve and is connected with the outer locating sleeve along the first direction, and the fastener can apply force to the inner locating sleeve so as to enable the inner locating sleeve to move along the first direction. The cement grinding gear box transmission system simplifies the connection mode of the flexible shaft and the output gear, improves the assembly efficiency, and effectively reduces the later maintenance and replacement cost.
Description
Technical Field
The utility model relates to the technical field of gearbox transmission, in particular to a cement grinding gear box transmission system.
Background
The cement grinding gear box is a typical low-speed heavy-duty gear device, and the working condition characteristics are that: the cement grinding gear box has the advantages of high power, low rotating speed, high torque, severe working conditions and most severe impact load, so that the reliability of the gear box is high and the service life is long. Because the cement grinding gear box is limited by processing capacity and manufacturing cost, the size of the gear box can be obviously reduced by adopting a power double-shunt transmission scheme, and manufacturing cost is reduced, and a uniform load structure is a technical key of the gear box.
The gear box for the cement mill realizes uniform load through different torsional deformations of the flexible shaft, the two ends of the flexible shaft and the output-stage pinion adopt a cylindrical pin and bolt connection mode, the whole assembly process needs to be subjected to three links of trial assembly, real assembly processing of pin holes and re-assembly, the assembly process is complex, real assembly parts have no interchangeability, and the later maintenance cost is high.
Disclosure of Invention
The utility model aims to provide a cement grinding gear box transmission system which is simple in structure, and can simplify the connection mode of a flexible shaft and an output gear and improve the assembly efficiency of the output gear.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a cement grinding gear box transmission system, which comprises:
a flexible shaft;
the input gear is sleeved on the flexible shaft and fixedly connected with the flexible shaft;
the output gear and the input gear are sleeved on the flexible shaft at intervals, and the output gear is provided with a connecting section;
the connecting assembly comprises an outer positioning sleeve, an inner positioning sleeve and a fastening piece, wherein the outer positioning sleeve is sleeved on the connecting section, an annular cavity with gradually narrowed width along a first direction is formed between the outer positioning sleeve and the connecting section, the inner positioning sleeve is arranged in the annular cavity, the inner circumferential surface of the inner positioning sleeve is abutted against the connecting section, and the outer circumferential surface of the inner positioning sleeve is abutted against the outer positioning sleeve; the fastener is connected with the outer positioning sleeve through the inner positioning sleeve along the first direction, and the fastener can apply a force to the inner positioning sleeve so as to enable the inner positioning sleeve to move along the first direction.
Preferably, the inner positioning sleeve comprises a wedge-shaped ring sleeve, the inner peripheral surface of the wedge-shaped ring sleeve extends along the first direction, the wall thickness of the wedge-shaped ring sleeve gradually becomes smaller along the first direction, the inner peripheral surface of the wedge-shaped ring sleeve is abutted against the connecting section, and the outer peripheral surface of the wedge-shaped ring sleeve is abutted against the outer positioning sleeve.
Preferably, the inner positioning sleeve further comprises a positioning ring sleeve, the positioning ring sleeve is arranged at the end part of the wedge-shaped ring sleeve, and the positioning ring sleeve is fixedly connected to the outer positioning sleeve through the fastening piece.
Preferably, the annular cavity extends to the end face of the outer positioning sleeve and is concavely arranged to form a positioning part, and the positioning annular sleeve can be abutted against the positioning part.
Preferably, the fastening piece is a bolt, a through hole is formed in the positioning ring sleeve, the rod portion of the bolt penetrates through the through hole to be in threaded connection with the outer positioning sleeve, and the head portion of the bolt abuts against the positioning ring sleeve.
Preferably, the through holes are uniformly formed in the positioning ring sleeve.
Preferably, the fastener is a bolt.
The utility model has the beneficial effects that:
according to the cement grinding gear box transmission system, the input gear is fixedly sleeved on the flexible shaft, and the output gear is fixedly sleeved on the flexible shaft through the connecting component, so that the cement grinding gear box can realize transmission through the flexible shaft; the inner positioning sleeve is arranged in the annular cavity between the outer positioning sleeve and the connecting section, the inner peripheral surface and the outer peripheral surface of the inner positioning sleeve are respectively abutted against the connecting section and the outer positioning sleeve, and the fastener can apply acting force to the inner positioning sleeve so as to enable the inner positioning sleeve to move along the first direction; the thickness of the annular cavity is gradually narrowed along the first direction, so that when the inner positioning sleeve moves along the first direction, the pressure applied to the inner connecting section by the outer positioning sleeve through the inner positioning sleeve is gradually increased, and the connecting section transmits the pressure to the flexible shaft, so that the pressure and the friction between the connecting section and the flexible shaft are increased, and the stable connection between the output gear and the flexible shaft is realized; the connecting assembly is simple in structure, the connection mode of the flexible shaft and the output gear is simplified, the assembly efficiency of the output gear is improved, real-fit machining is not needed, the interchangeability of parts is good, and the later maintenance and replacement cost is effectively reduced.
Drawings
FIG. 1 is a cross-sectional view of a cement grinding gearbox drive train provided in accordance with an embodiment of the present utility model;
fig. 2 is a partial enlarged view at a in fig. 1.
In the figure:
1-a flexible shaft;
2-input gear;
3-an output gear; 31-connecting segments;
a 4-connection assembly; 41-an outer positioning sleeve; 42-positioning the sleeve; 421-positioning the ring sleeve; 422-wedge collar; 43-fastener.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1 and 2, the utility model provides a cement grinding gear box transmission system, which comprises a flexible shaft 1, an input gear 2, an output gear 3 and a connecting component 4, wherein the input gear 2 is sleeved on the flexible shaft 1 and fixedly connected with the flexible shaft 1; the output gear 3 and the input gear 2 are sleeved on the flexible shaft 1 at intervals, and the output gear 3 is provided with a connecting section 31. In the embodiment, since the input gear 2 is fixedly sleeved on the flexible shaft 1, and the output gear 3 is also fixedly sleeved on the flexible shaft 1 through the connecting component 4, the cement grinding gear box can realize transmission through the flexible shaft 1. The connecting assembly 4 comprises an outer positioning sleeve 41, an inner positioning sleeve 42 and a fastening piece 43, wherein the outer positioning sleeve 41 is sleeved on the connecting section 31, an annular cavity with gradually narrowed width along the first direction is arranged between the outer positioning sleeve 41 and the connecting section 31, the inner positioning sleeve 42 is arranged in the annular cavity, the inner circumferential surface of the inner positioning sleeve 42 is abutted against the connecting section 31, and the outer circumferential surface of the inner positioning sleeve 42 is abutted against the outer positioning sleeve 41; the fastener 43 is coupled to the outer positioning sleeve 41 in a first direction through the inner positioning sleeve 42, the fastener 43 being capable of applying a force to the inner positioning sleeve 42 to move the inner positioning sleeve 42 in the first direction. Specifically, the inner positioning sleeve 42 is disposed in the annular cavity between the outer positioning sleeve 41 and the connection section 31, the inner and outer peripheral surfaces of the inner positioning sleeve 42 are respectively abutted against the connection section 31 and the outer positioning sleeve 41, and the fastener 43 can apply a force to the inner positioning sleeve 42 to move the inner positioning sleeve 42 in the first direction; because the annular cavity gradually narrows in thickness along the first direction, when the inner positioning sleeve 42 moves along the first direction, the pressure applied to the inner connecting section 31 by the outer positioning sleeve 41 through the inner positioning sleeve 42 gradually increases, and the connecting section 31 transmits the pressure to the flexible shaft 1, so that the connecting section 31 is pressed against the flexible shaft 1 under the action of the pressure and fastened through friction force, and stable connection between the output gear 3 and the flexible shaft 1 is further realized; the connecting component 4 has a simple structure, simplifies the connection mode of the flexible shaft 1 and the output gear 3, improves the assembly efficiency of the output gear 3, does not need real-fit processing, has good part interchangeability, and effectively reduces the maintenance and replacement cost in the later stage.
Further, as shown in fig. 2, the inner positioning sleeve 42 includes a wedge-shaped sleeve 422, an inner circumferential surface of the wedge-shaped sleeve 422 extends in the first direction, a wall thickness of the wedge-shaped sleeve 422 becomes gradually smaller in the first direction, the inner circumferential surface of the wedge-shaped sleeve 422 abuts against the connection section 31, and an outer circumferential surface of the wedge-shaped sleeve 422 abuts against the outer positioning sleeve 41. In this embodiment, the wedge-shaped collar 422 has an annular structure, and the cross section along the first direction is wedge-shaped, so that the wedge-shaped collar 422 can be matched with the annular cavity between the outer positioning sleeve 41 and the flexible shaft 1, and can move in the annular cavity along the first direction under the action of the fastener 43; in addition, the wedge-shaped cross-section reduces the resistance to movement of the wedge collar 422 in the annular cavity, making installation more labor-efficient.
Specifically, as shown in fig. 2, the inner positioning sleeve 42 further includes a positioning sleeve 421, the positioning sleeve 421 is looped around an end of the wedge-shaped sleeve 422, and the positioning sleeve 421 is fixedly connected to the outer positioning sleeve 41 by the fastener 43. In this embodiment, the positioning ring 421 is a circular ring structure disposed at the end of the wedge-shaped ring 422, the positioning ring 421 and the wedge-shaped ring 422 are integrally formed, the inner positioning sleeve 42 is fixed on the outer positioning sleeve 41 by passing the fastening piece 43 through the positioning ring 421, and the positioning ring 421 increases the connection area between the inner positioning sleeve 42 and the fastening piece 43, so as to facilitate the fixation of the inner positioning sleeve 42 to the outer positioning sleeve 41.
Specifically, as shown in fig. 2, the annular cavity extends to the end surface of the outer positioning sleeve 41 and is concavely provided to form a positioning portion, and the positioning ring sleeve 421 can be abutted against the positioning portion. The locating part is a groove structure formed at the end part of the outer locating sleeve 41, the locating part is matched with the shape of the locating ring sleeve 421, and when the inner locating sleeve 42 is fixed on the outer locating sleeve 41, the locating ring sleeve 421 can be abutted against the locating part, so that the connection stability of the inner locating sleeve 42 and the outer locating sleeve 41 is enhanced.
Specifically, as shown in fig. 2, the fastener 43 is a bolt, the positioning ring 421 is provided with a through hole, the rod portion of the bolt passes through the through hole to be in threaded connection with the outer positioning sleeve 41, and the head of the bolt abuts against the positioning ring 421. In this embodiment, the fastening member 43 is a bolt, and the fastening member 43 passes through the through hole on the positioning ring 421 to fix the inner positioning sleeve 42 to the outer positioning sleeve 41, so as to facilitate subsequent disassembly and maintenance.
Specifically, as shown in fig. 2, a plurality of through holes are uniformly formed in the positioning collar 421. In this embodiment, the positioning ring 421 is uniformly provided with a plurality of through holes, and the inner positioning sleeve 42 is connected with the outer positioning sleeve 41 by a plurality of fasteners 43, so as to enhance the connection strength and connection stability of the two.
Further, as shown in fig. 2, the fastener 43 is a bolt. In this embodiment, the inner positioning sleeve 42 is connected with the outer positioning sleeve 41 by bolts, which is convenient to disassemble and convenient to replace and maintain in the later period.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (7)
1. Cement grinding gear case transmission system, its characterized in that includes:
a flexible shaft (1);
the input gear (2) is sleeved on the flexible shaft (1) and is fixedly connected with the flexible shaft (1);
the output gear (3) and the input gear (2) are sleeved on the flexible shaft (1) at intervals, and the output gear (3) is provided with a connecting section (31);
the connecting assembly (4), the connecting assembly (4) comprises an outer positioning sleeve (41), an inner positioning sleeve (42) and a fastener (43), the outer positioning sleeve (41) is sleeved on the connecting section (31), an annular cavity with gradually narrowed width along a first direction is formed between the outer positioning sleeve (41) and the connecting section (31), the inner positioning sleeve (42) is arranged in the annular cavity, the inner circumferential surface of the inner positioning sleeve (42) is abutted to the connecting section (31), and the outer circumferential surface of the inner positioning sleeve (42) is abutted to the outer positioning sleeve (41); the fastener (43) is connected with the outer positioning sleeve (41) along the first direction penetrating through the inner positioning sleeve (42), and the fastener (43) can apply a force to the inner positioning sleeve (42) so as to enable the inner positioning sleeve (42) to move along the first direction.
2. The cement grinding gearbox transmission system according to claim 1, wherein the inner positioning sleeve (42) comprises a wedge-shaped collar (422), an inner peripheral surface of the wedge-shaped collar (422) extends in the first direction, a wall thickness of the wedge-shaped collar (422) becomes gradually smaller in the first direction, an inner peripheral surface of the wedge-shaped collar (422) abuts against the connecting section (31), and an outer peripheral surface of the wedge-shaped collar (422) abuts against the outer positioning sleeve (41).
3. The cement grinding gearbox transmission system of claim 2, wherein the inner positioning sleeve (42) further comprises a positioning collar (421), the positioning collar (421) is looped at an end of the wedge collar (422), and the positioning collar (421) is fixedly connected to the outer positioning sleeve (41) through the fastener (43).
4. A cement grinding gearbox transmission according to claim 3, characterised in that the annular cavity extends to the end face of the outer locating sleeve (41) and is recessed to form a locating portion against which the locating collar (421) can abut.
5. A cement grinding gearbox transmission system according to claim 3, characterised in that the fastener (43) is a bolt, the positioning collar (421) is provided with a through hole, the shaft of the bolt passes through the through hole and is in threaded connection with the outer positioning collar (41), and the head of the bolt abuts against the positioning collar (421).
6. The cement grinding gearbox transmission system of claim 5, wherein a plurality of through holes are uniformly formed in the positioning collar (421).
7. The cement grinding gearbox drive system of claim 1, wherein the fastener (43) is a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321820951.4U CN220227752U (en) | 2023-07-12 | 2023-07-12 | Transmission system of cement grinding gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321820951.4U CN220227752U (en) | 2023-07-12 | 2023-07-12 | Transmission system of cement grinding gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227752U true CN220227752U (en) | 2023-12-22 |
Family
ID=89194769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321820951.4U Active CN220227752U (en) | 2023-07-12 | 2023-07-12 | Transmission system of cement grinding gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227752U (en) |
-
2023
- 2023-07-12 CN CN202321820951.4U patent/CN220227752U/en active Active
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