CN217873861U - Protective structure for transmission shaft - Google Patents
Protective structure for transmission shaft Download PDFInfo
- Publication number
- CN217873861U CN217873861U CN202222332230.0U CN202222332230U CN217873861U CN 217873861 U CN217873861 U CN 217873861U CN 202222332230 U CN202222332230 U CN 202222332230U CN 217873861 U CN217873861 U CN 217873861U
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- sleeve
- protective cover
- shaft
- wall
- transmission shaft
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Abstract
A protection structure for a transmission shaft comprises a first protection cover and a second protection cover movably connected to the first protection cover. At least two groups of bracket assemblies are arranged between the first protective cover and the transmission shaft. The bracket component comprises a shaft sleeve, a flange taper sleeve, a bearing and an outer supporting sleeve. Expansion grooves are uniformly distributed on a cylindrical part of the flange taper sleeve, the inner wall of the cylindrical part is an inner cylindrical surface matched with the cylindrical surface of the outer wall of the transmission shaft, and the outer wall of the cylindrical part is an outer conical surface. The inner wall of the shaft sleeve is provided with a cylindrical surface and an inner conical surface; the outer wall of the shaft sleeve is provided with an outer step part for limiting the inner ring of the bearing; the outer supporting sleeve is fixedly connected with the protective cover; one end of the outer supporting sleeve is connected with a baffle; the inner wall of the outer support sleeve is provided with an inner step part for limiting the outer ring of the bearing. More than two guide screws are connected to the second protective cover; and the outer wall of the protective cover is provided with a sliding groove matched with the guide screw. More than two positioning screws are connected to the second protective cover; the first protective cover is provided with a positioning hole group. The utility model discloses barrier propterty is good, can effectively improve the actual life of transmission shaft.
Description
Technical Field
The utility model belongs to the technical field of the transmission shaft, concretely relates to protective structure for transmission shaft.
Background
The transmission shaft is widely applied to mechanical industries such as engineering, mines, petroleum, metallurgy and vehicles and is used for torque transmission when an input shaft and an output shaft are staggered.
In the metallurgical industry, the service environment of the transmission shaft is very severe, and the service life of the transmission shaft cannot be expected due to the influence of comprehensive factors such as on-site dust, temperature, humidity and the like. For example, in the existing color coating line or zinc coating line, chemical substances generated by the roller coater equipment splash when the roller coater equipment works and directly scatter on the surface of the transmission shaft, so that the balance performance of the transmission shaft is influenced, parts on the surface of the transmission shaft and a rubber dust cover are corroded, and the transmission shaft fails prematurely. Meanwhile, the transmission shaft rotates under the condition that no protective facility is arranged outside, and splashing substances splashed on the transmission shaft are thrown out along with centrifugal force, so that the life health of the field environment and surrounding operating personnel is seriously influenced.
Disclosure of Invention
The utility model discloses an invention aim at solves above-mentioned prior art not enough to provide a protective structure for transmission shaft, effectively improve the life of transmission shaft.
The technical scheme of the utility model lies in: the utility model provides a protective structure for transmission shaft which characterized in that: comprises a first protective cover sleeved outside a transmission shaft and a second protective cover movably connected to one end of the first protective cover.
At least two groups of support assemblies are arranged between the first protective cover and the transmission shaft.
The bracket component comprises axle sleeve, flange taper sleeve, bearing, outer support sleeve.
The flange taper sleeve consists of a cylindrical part matched with the shaft sleeve and a disc part connected with the shaft sleeve; expansion grooves which are arranged along the axial direction are uniformly distributed on the cylindrical part; the inner wall of the cylindrical part is an inner cylindrical surface matched with the cylindrical surface of the outer wall of the transmission shaft, and the outer wall of the cylindrical part is an outer conical surface matched with the shaft sleeve.
The inner wall of the shaft sleeve is provided with a cylindrical surface matched with the cylindrical surface of the outer wall of the transmission shaft and an inner conical surface matched with the outer conical surface of the flange taper sleeve; the outer wall of the shaft sleeve is provided with an outer step part used for limiting the inner ring of the bearing in a matched manner with the retainer ring.
The outer supporting sleeve is fixedly connected with the protective cover; one end of the outer supporting sleeve is connected with a baffle; the inner wall of the outer supporting sleeve is provided with an inner step part which is used for limiting the outer ring of the bearing in a matching way with the baffle.
More than two guide screws are connected to the second protective cover; and a sliding groove matched with the guide screw is axially formed in the outer wall of the protective cover.
More than two positioning screws for fixing the second protective cover to the first protective cover are connected to the second protective cover; and the first protective cover is provided with a positioning hole group which is matched and positioned with each positioning screw.
And a connecting nut for connecting the guide screw/the positioning screw is fixed on the second protective cover.
Each positioning hole group consists of a plurality of positioning holes arranged along the axial direction.
The transmission shaft comprises a sleeve shaft and a spline shaft in transmission connection with the sleeve shaft; the bracket assembly is connected to the outer wall of the quill.
And a retainer ring mounting groove for assembling a retainer ring is formed in the outer wall of the shaft sleeve.
And a space ring is arranged between the retainer ring and the bearing.
The outer supporting sleeve is fixedly connected with the protective cover through a second screw.
The utility model discloses a protection casing one and protection casing two that link to each other are convenient for through bracket component connection in transmission shaft according to the transmission shaft length adjustment of required protection, and structural design is reasonable, and barrier propterty is good, can effectively improve the service environment of transmission shaft, improves the actual life of transmission shaft.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a shield portion.
Fig. 3 is a schematic structural view of the bracket assembly.
Fig. 4 is a schematic structural diagram of a flange taper sleeve.
Fig. 5 is a schematic structural view of the bushing.
In the figure: 1. the device comprises a sleeve shaft, 2 parts of a first screw, 3 parts of a first flange taper sleeve, 3-1 parts of an outer conical surface, 3-2 parts of an expansion groove, 3-3 parts of an inner cylindrical surface, 4 parts of a bearing, 5 parts of a spacer ring, 6 parts of a retainer ring, 7 parts of a shaft sleeve, 7-1 parts of an inner conical surface, 7-2 parts of a cylindrical surface, 8 parts of a first protective cover, 8-1 parts of a first protective cover, a sliding groove, 9 parts of an outer supporting sleeve, 10 parts of a second screw, 11 parts of a baffle plate, 12 parts of a third screw, 13-1 parts of a positioning screw, 13-2 parts of a guide screw, 14 parts of a locking nut, 15 parts of a second protective cover, 16 parts of a second protective cover, a spline shaft, 17 parts of a connecting nut, 18 parts of a positioning hole.
Detailed Description
In fig. 1 and 2, the protection structure for the transmission shaft of the present invention includes a first protection cover 8 sleeved outside the transmission shaft, and a second protection cover 15 movably connected to one end of the first protection cover 8. Two groups of bracket assemblies are arranged between the first protective cover 8 and the transmission shaft. The bracket component comprises a shaft sleeve 7, a flange taper sleeve 3, a bearing 4 and an outer supporting sleeve 9. The transmission shaft comprises a sleeve shaft 1 and a spline shaft 16 in transmission connection with the sleeve shaft 1. The two groups of bracket assemblies are sleeved on a sleeve shaft 1 of the transmission shaft in a mirror-image manner through a shaft sleeve 7. The outer cylindrical surface of the sleeve shaft 1 is in clearance fit with the cylindrical surface 7-2 of the shaft sleeve 7, and the outer conical surface of the flange taper sleeve 3 is matched with the inner conical surface 7-1 of the shaft sleeve 7. The flange cone 3 is circumferentially fastened to the sleeve 7 by a plurality of screws one 2. An inner cylindrical surface 3-3 of the flange taper sleeve 3 is in interference fit with the sleeve shaft 1, and along with the increase of the fastening force of the first screw 2, the expansion groove 3-2 of the flange taper sleeve 3 expands to lock the shaft sleeve 7 and the sleeve shaft 1. The outer supporting sleeves 9 of the two groups of bracket assemblies are fastened with the first protective cover 8 through two groups of screws 10. When the transmission shaft rotates, the sleeve shaft 1 and the spline shaft 16 rotate simultaneously, and the protective structure can protect the transmission shaft integrally.
Fig. 2 is a rotary sectional view of the protective cover of the present invention. Four connecting nuts 17 are uniformly distributed on the second protective cover 15 along the circumferential direction. Two guide screws 13-2 are mounted to two opposing coupling nuts 17 and two set screws 13-1 are mounted to the other two opposing coupling nuts 17. The outer wall of the first protective cover 8 is provided with two sliding grooves 8-1 which are used for being matched with the two guide screws 13-2 respectively and are arranged along the axial direction. Two groups of positioning hole groups which are respectively matched and positioned with the two positioning screws 13-1 are arranged on the first protective cover 8. Each set of positioning holes consists of three positioning holes 18 arranged in the axial direction. The number and position of the positioning holes 18 can be set according to the length of a common drive shaft.
The second protective cover 15 is sleeved at the right end of the first protective cover 8, and the second protective cover 15 can axially slide on the first protective cover 8; and the guide screw 13-2 screwed into the connecting nut 17 on the second protective cover 15 is locked by a locking nut 14 arranged between the connecting nut 17 and the large end part of the guide screw 13-2. The protective cover I8 is provided with a sliding groove 8-1 corresponding to the guide screw 13-2, the guide screw 13-2 can slide in the sliding groove 8-1 of the protective cover I8 according to the length of the transmission shaft, and the front end of the positioning screw 13-1 extends into the positioning hole 18 to be fixed at a proper position.
In fig. 3, one end of the outer supporting sleeve 9 is connected with a baffle plate 11; the inner wall of the outer supporting sleeve 9 is provided with an inner step part which is used for matching with the baffle plate 11 to limit the outer ring of the bearing 4.
The bearing 4 is arranged between the shaft sleeve 7 and the outer supporting sleeve 9, the inner ring of the bearing 4 is axially positioned through the spacer ring 5 and the retainer ring 6, and the outer ring of the bearing 4 is axially pressed through the baffle 11 and the screw III 12.
In fig. 4, the flange cone 3 is composed of a cylindrical portion for fitting with the sleeve 7 and a circular disk portion for connecting with the sleeve 7. The cylindrical part is evenly provided with expansion grooves 3-2 which are opened along the axial direction. The inner wall of the cylindrical part is an inner cylindrical surface 3-3 matched with the cylindrical surface of the outer wall of the transmission shaft, and the outer wall of the cylindrical part is an outer conical surface 3-1 matched with the shaft sleeve 7.
In FIG. 5, the inner wall of the shaft sleeve 7 is provided with a cylindrical surface 7-2 for matching with the cylindrical surface of the outer wall of the transmission shaft and an inner conical surface 7-1 for matching with the outer conical surface 3-1 of the flange taper sleeve 3; the outer wall of the shaft sleeve 7 is provided with an outer step part which is used for limiting the inner ring of the bearing 4 in a matching way with the retainer ring 6. And a retainer ring mounting groove for assembling the retainer ring 6 is formed in the outer wall of the shaft sleeve 7. And a space ring 5 is arranged between the retainer ring 6 and the bearing 4.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation are included in the protection scope claimed in the present invention.
Claims (7)
1. The utility model provides a protective structure for transmission shaft which characterized in that: comprises a first protective cover (8) sleeved outside a transmission shaft and a second protective cover (15) movably connected to one end of the first protective cover (8);
at least two groups of support assemblies are arranged between the first protective cover (8) and the transmission shaft;
the bracket component consists of a shaft sleeve (7), a flange taper sleeve (3), a bearing (4) and an outer supporting sleeve (9);
the flange taper sleeve (3) consists of a cylindrical part matched with the shaft sleeve (7) and a disc part connected with the shaft sleeve (7); expansion grooves (3-2) which are arranged along the axial direction are uniformly distributed on the cylindrical part; the inner wall of the cylindrical part is an inner cylindrical surface (3-3) matched with the cylindrical surface of the outer wall of the transmission shaft, and the outer wall of the cylindrical part is an outer conical surface (3-1) matched with the shaft sleeve (7);
the inner wall of the shaft sleeve (7) is provided with a cylindrical surface (7-2) matched with the cylindrical surface of the outer wall of the transmission shaft and an inner conical surface (7-1) matched with the outer conical surface (3-1) of the flange taper sleeve (3); the outer wall of the shaft sleeve (7) is provided with an outer step part which is used for limiting the inner ring of the bearing (4) in a matching way with the retainer ring (6);
the outer supporting sleeve (9) is fixedly connected with the first protective cover (8); one end of the outer supporting sleeve (9) is connected with a baffle (11); the inner wall of the outer support sleeve (9) is provided with an inner step part which is used for matching with the baffle (11) to limit the outer ring of the bearing (4);
more than two guide screws (13-2) are connected to the second protective cover (15); a sliding groove (8-1) matched with the guide screw (13-2) is formed in the outer wall of the first protective cover (8) along the axial direction;
more than two positioning screws (13-1) used for fixing the protective cover II (15) on the protective cover I (8) are connected to the protective cover II (15); and the first protective cover (8) is provided with a positioning hole group which is matched and positioned with each positioning screw (13-1).
2. The protective structure for a propeller shaft according to claim 1, wherein: and a connecting nut (17) for connecting the guide screw (13-2)/the positioning screw (13-1) is fixed on the second protective cover (15).
3. The protective structure for a propeller shaft according to claim 1, wherein: each positioning hole group is composed of a plurality of positioning holes (18) arranged along the axial direction.
4. The protective structure for a propeller shaft according to claim 1, wherein: the transmission shaft comprises a sleeve shaft (1) and a spline shaft (16) in transmission connection with the sleeve shaft (1); the bracket component is connected to the outer wall of the sleeve shaft (1).
5. The protective structure for a propeller shaft according to claim 1, wherein: and a retainer ring mounting groove for assembling the retainer ring (6) is formed in the outer wall of the shaft sleeve (7).
6. The protective structure for a propeller shaft according to claim 1, wherein: and a space ring (5) is arranged between the retainer ring (6) and the bearing (4).
7. The protective structure for a propeller shaft according to claim 1, wherein: the outer supporting sleeve (9) is fixedly connected with the first protective cover (8) through a second screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222332230.0U CN217873861U (en) | 2022-09-02 | 2022-09-02 | Protective structure for transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222332230.0U CN217873861U (en) | 2022-09-02 | 2022-09-02 | Protective structure for transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217873861U true CN217873861U (en) | 2022-11-22 |
Family
ID=84080959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222332230.0U Active CN217873861U (en) | 2022-09-02 | 2022-09-02 | Protective structure for transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217873861U (en) |
-
2022
- 2022-09-02 CN CN202222332230.0U patent/CN217873861U/en active Active
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