CN204061817U - A kind of belt pulley of locking device - Google Patents
A kind of belt pulley of locking device Download PDFInfo
- Publication number
- CN204061817U CN204061817U CN201420368307.2U CN201420368307U CN204061817U CN 204061817 U CN204061817 U CN 204061817U CN 201420368307 U CN201420368307 U CN 201420368307U CN 204061817 U CN204061817 U CN 204061817U
- Authority
- CN
- China
- Prior art keywords
- groove
- inner sleeve
- locking device
- wheel disc
- dismounting
- 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.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Pulleys (AREA)
Abstract
The utility model discloses a kind of belt pulley of locking device, comprise wheel disc, inner sleeve, locking device, inside put axial bore and be arranged on pto＝power take-off by axial bore; The outside of inner sleeve is conical surface, and the diameter of its end face is greater than the diameter of bottom; Wheel disc is provided with the cone shape hole matched with the conical surface of inner sleeve, and inner sleeve is sleeved on wheel disc by cone shape hole; Inside be arranged with axial gap, its outer side surface is provided with first of arc vertically and installs groove, and on the inner side surface of wheel disc, opposite position is provided with the second installation groove vertically; Described locking device is construction bolt.Described belt pulley also comprises dismounting device, the outer side surface of inner sleeve is provided with the first dismounting groove of arc vertically, on the inner side surface of wheel disc, opposite position is provided with vertically and dismantles second of the arc that groove adapts with first and dismantle groove, and dismounting device is arranged on the first dismounting groove and second and dismantles groove and dock in the removal hole formed.The utility model easy accessibility, has safe, laborsaving, easy, efficient feature.
Description
Technical field
The utility model relates to the connection set of belt and pto＝power take-off, is specifically related to a kind of belt pulley of locking device.
Background technique
At present when belt pulley is installed on pto＝power take-off, general is all connected by key, and motor shaft and the axial bore of belt pulley adopt together with interference fit, but when belt pulley disassembles from motor shaft by needs, interference fit makes dismounting become comparatively difficulty, need to apply certain axial force to belt pulley just can take off, and the more restive size of this axial force, if the axial force applied is too small, belt pulley cannot be taken off, if the axial force applied is excessive, the bearing of line shaft will be damaged again thus the life-span of shortening equipment, sometimes pto＝power take-off even also can be made to occur bending and deformation, cause its eccentric swing and affect normal work.
Model utility content
For the deficiencies in the prior art, the purpose of this utility model is, provides a kind of stable connection, easy-to-disassemble and assemble belt pulley.
The technical solution of the utility model is realized by following measures: a kind of belt pulley of locking device, comprises wheel disc, inner sleeve, locking device, has inside put axial bore and has been arranged on pto＝power take-off by axial bore; The outside of inner sleeve is conical surface, and the diameter of its end face is greater than the diameter of bottom; Wheel disc is provided with the cone shape hole matched with the conical surface of inner sleeve, and inner sleeve is sleeved on wheel disc by cone shape hole, it is characterized in that: inside put the axial gap being provided with a through inner sleeve; The outer side surface of inner sleeve is provided with first of arc vertically and installs groove, on the inner side surface of wheel disc opposite position be provided with vertically to install with first that groove size adapts second groove is installed, wheel disc and interior put to be provided with inner sleeve can be made to move radially relative to wheel disc thus the locking device that axial gap is reduced, inner sleeve is fixed together by locking device and wheel disc; Described locking device is construction bolt, and the diameter bottom the screw rod of described construction bolt is less than the diameter at its top, and the length of described screw rod is less than the length of the first installation groove and is less than the length of the second installation groove; Described first distance of installing between the end face of groove and the end face of inner sleeve is less than the end face of the second installation groove and the distance of inner sleeve end face; Screw thread is not established in described first installation groove; The screw thread matched with construction bolt is provided with in described second installation groove.
Further, described belt pulley also comprises dismounting device; The outer side surface of inner sleeve is provided with the first dismounting groove of arc vertically, on the inner side surface of wheel disc opposite position be provided with vertically to dismantle with first that groove size adapts second dismantle groove; Described dismounting device is demounting bolt, and the diameter bottom the screw rod of described demounting bolt is less than the diameter at its top, and the length of screw rod is less than the length of the first dismounting groove and is less than the length of the second dismounting groove; The described first dismounting end face of groove and the distance of inner sleeve end face are greater than the end face of the second dismounting groove and the distance of inner sleeve end face; The screw thread all having and match with demounting bolt is established in described first dismounting groove, the second dismounting groove.
Further, the quantity of construction bolt be three and in 120 degree uniform.The quantity of construction bolt also can be two and uniform in 180 degree.
Further, the quantity of demounting bolt be three and in 120 degree uniform.The quantity of demounting bolt also can be two and uniform in 180 degree.
Further, the outer side surface of described wheel disc is provided with belt grooves.
Further, the thickness of described inner sleeve is less than the thickness of wheel disc.
Further, the inner side surface of inner sleeve is axially arranged with keyway.
Further, the described first radius installing groove is greater than the radius of the first dismounting groove.
The utility model reasonable and compact in structure, easy to use, it makes the axial gap of inner sleeve reduce by construction bolt and holds pto＝power take-off tightly, and inner sleeve and wheel disc are fixed together.During dismounting, to back-out construction bolt, be screwed into demounting bolt, because the described first dismounting end face of groove and the distance of inner sleeve end face are greater than the end face of the second dismounting groove and the distance of inner sleeve end face, when the end face of demounting bolt contact second dismounting groove, when continuing to rotate demounting bolt, due to the stop of the end face of the second dismounting groove, demounting bolt no longer moves downward, its screw thread can give inner sleeve along the active force in direction vertically upward, inner sleeve is extracted from wheel disc, and the pto＝power take-off of motor can not be damaged, there is safe, laborsaving, easy, efficient feature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the stereogram of the utility model inner sleeve.
Fig. 3 is the stereogram of the utility model wheel disc.
Fig. 4 is the sectional structure schematic diagram at A-A ' place in Fig. 1.
Fig. 5 is the sectional structure schematic diagram at B-B ' place in Fig. 1.
Wherein: 1-wheel disc; 2-inner sleeve; 3-demounting bolt; 4-keyway; 5-axial gap; 6-first dismantles groove; 7-first installs groove; 8-second dismantles groove; 9-second installs groove; 10-belt grooves; 11-second dismantles the end face of groove; 12-first dismantles the end face of groove; 13-second installs the end face of groove; 14-first installs the end face of groove; 15-construction bolt; 16-axial bore; 17-cone shape hole.
Embodiment
Below, in conjunction with the accompanying drawings and embodiments the utility model is described further.
As shown in Fig. 1 to Fig. 5, a kind of belt pulley of locking device, comprises wheel disc 1, inner sleeve 2, locking device, inner sleeve 2 has axial bore 16 and is arranged on pto＝power take-off by axial bore 16; The outside of inner sleeve 2 is conical surface, and the diameter of its end face is greater than the diameter of bottom.Wheel disc 1 is provided with the cone shape hole 17 matched with the conical surface of inner sleeve 2.Inner sleeve 2 is sleeved on wheel disc 1 by cone shape hole 17.Inner sleeve 2 is provided with the axial gap 5 of a through inner sleeve 2; The outer side surface of inner sleeve 2 is provided with first of arc vertically and installs groove 7, and on the inner side surface of wheel disc 1, opposite position is provided with vertically and installs second of the arc that groove 7 adapts with first and install groove 9.Wheel disc 1 and inner sleeve 2 are provided with can make inner sleeve 2 move radially relative to wheel disc 1 thus make the locking device that axial gap 5 reduces, and inner sleeve 2 and wheel disc 1 is fixed together by locking device.
Described locking device is construction bolt 15, and the diameter bottom the screw rod of described construction bolt 15 is less than the diameter at its top, and the length of described screw rod is less than the length of the first installation groove 7 and is less than the length of the second installation groove 9; Described first distance of installing between the end face 14 of groove and the end face of inner sleeve 2 is less than the end face 13 of the second installation groove and the distance of inner sleeve 2 end face; Screw thread is not established in described first installation groove 7; The screw thread matched with construction bolt 15 is provided with in described second installation groove 9.
Described belt pulley also comprises dismounting device; The outer side surface of inner sleeve 2 is provided with the first dismounting groove 6 of arc vertically, and on the inner side surface of wheel disc 1, opposite position is provided with vertically and dismantles second of the arc that groove 6 adapts with first and dismantle groove 8; Described dismounting device is demounting bolt 3, and the diameter bottom the screw rod of described demounting bolt 3 is less than the diameter at its top, and the length of screw rod is less than the length of the first dismounting groove 6 and is less than the length of the second dismounting groove 8; The end face 12 of described first dismounting groove is greater than the end face 11 of the second dismounting groove and the distance of inner sleeve end face with the distance of inner sleeve end face; Described first dismounting groove 6, second is dismantled in groove 8 and is established the screw thread all having and match with demounting bolt 3.
The quantity of construction bolt 15 is three and uniform in 120 degree.The quantity of demounting bolt 3 is three and uniform in 120 degree.
The outer side surface of described wheel disc 1 is provided with belt grooves 10.
The thickness of described inner sleeve 2 is less than the thickness of wheel disc 1.Such inner sleeve 2 size is less, and cost is low.
The inner side surface of inner sleeve 2 is axially arranged with keyway 4.Be provided with keyway, corresponding pto＝power take-off can be provided with the projection adapted with it, improves the reliability of Power output.
Described first radius installing groove 7 is greater than the radius of the first dismounting groove 6.Like this, when construction bolt 15 screws out, and when dismantling, the extruding force of wheel disc 1 pair of inner sleeve 2 is little, and surface friction drag is little.
During installation, the bottom of inner sleeve 2 is filled in the cone shape hole 17 of wheel disc 1.Rotate inner sleeve, make the first dismounting groove 6 and second dismantle groove 8 and coordinate and form removal hole, first and groove 7 and second is installed groove 9 is installed forms mounting hole.First, groove 7 and second is installed to install in the mounting hole that groove 9 formed, puts into construction bolt 15 and rotate construction bolt 15, will the axial gap 5 of inner sleeve 2 be made to reduce and hold pto＝power take-off tightly, and inner sleeve 2 and wheel disc 1 are fixed together.First distance of installing between the end face 14 of groove and the end face of inner sleeve 2 is less than the end face 13 of the second installation groove and the distance of inner sleeve 2 end face, makes construction bolt 15 all the time along wheel disc 1 vertical downward movement.First construction bolt 15 installs groove end face 14 with first contacts, and construction bolt 15 rotates and moves downward in process, and the end face 14 installing groove to first applies active force vertically downward, and inner sleeve 2 is enclosed within wheel disc 1 closely.Do not establish screw thread in first installation groove 7, be convenient to finely tune inner sleeve 2 motion amplitude vertically better.
During dismounting, construction bolt 15 of back-outing.Demounting bolt 3 is screwed in removal hole, because the end face 12 of the first dismounting groove is greater than the end face 11 of the second dismounting groove and the distance of inner sleeve end face with the distance of inner sleeve end face, when demounting bolt 3 contacts the end face 11 of the second dismounting groove, when continuing to rotate demounting bolt 3, due to the stop of the end face 11 of the second dismounting groove, demounting bolt 3 no longer moves downward, its screw thread can give inner sleeve 2 along the active force in direction vertically upward, inner sleeve 2 is extracted from wheel disc 1 and the pto＝power take-off of motor can not be damaged, there is safe, laborsaving, easy, efficient feature.
Claims (10)
1. a belt pulley for locking device, comprises wheel disc (1), inner sleeve (2), locking device, inner sleeve (2) has axial bore (16) and is arranged on pto＝power take-off by axial bore (16); The outside of inner sleeve (2) is conical surface, and the diameter of its end face is greater than the diameter of bottom; Wheel disc (1) is provided with the cone shape hole (17) matched with the conical surface of inner sleeve (2), inner sleeve (2) is sleeved on wheel disc (1) by cone shape hole (17), it is characterized in that: inner sleeve (2) is provided with the axial gap (5) of a through inner sleeve (2); The outer side surface of inner sleeve (2) is provided with first of arc vertically and installs groove (7), on the inner side surface of wheel disc (1), opposite position is provided with vertically and installs second of the arc that groove (7) adapts with first and install groove (9), wheel disc (1) and inner sleeve (2) are provided with can make inner sleeve (2) move radially relative to wheel disc (1) thus make the locking device that axial gap (5) reduces, and inner sleeve (2) is fixed together by locking device and wheel disc (1);
Described locking device is construction bolt (15), and the diameter bottom the screw rod of described construction bolt (15) is less than the diameter at its top, and the length of described screw rod is less than the length of the first installation groove (7) and is less than the length of the second installation groove (9); Described first distance of installing between the end face (14) of groove and the end face of inner sleeve (2) is less than the end face (13) of the second installation groove and the distance of inner sleeve (2) end face; Screw thread is not established in described first installation groove (7); The screw thread matched with construction bolt (15) is provided with in described second installation groove (9).
2. the belt pulley of a kind of locking device as claimed in claim 1, is characterized in that: described belt pulley also comprises dismounting device;
The outer side surface of inner sleeve (2) is provided with the first dismounting groove (6) of arc vertically, and on the inner side surface of wheel disc (1), opposite position is provided with vertically and dismantles second of the arc that groove (6) adapts with first and dismantle groove (8);
Described dismounting device is demounting bolt (3), and the diameter bottom the screw rod of described demounting bolt (3) is less than the diameter at its top, and the length of screw rod is less than the length of the first dismounting groove (6) and is less than the length of the second dismounting groove (8); The described first dismounting end face (12) of groove is greater than the end face (11) of the second dismounting groove and the distance of inner sleeve end face with the distance of inner sleeve end face; The screw thread all having and match with demounting bolt (3) is established in described first dismounting groove (6), the second dismounting groove (8).
3. the belt pulley of a kind of locking device as claimed in claim 2, is characterized in that: the quantity of construction bolt (15) is three and uniform in 120 degree.
4. the belt pulley of a kind of locking device as claimed in claim 2, is characterized in that: the quantity of construction bolt (15) is two and uniform in 180 degree.
5. the belt pulley of a kind of locking device as claimed in claim 2, is characterized in that: the quantity of demounting bolt (3) is three and uniform in 120 degree.
6. the belt pulley of a kind of locking device as claimed in claim 2, is characterized in that: the quantity of demounting bolt (3) is two and uniform in 180 degree.
7. the belt pulley of a kind of locking device as described in a claim as any in claim 1 to 6, is characterized in that: the outer side surface of described wheel disc (1) is provided with belt grooves (10).
8. the belt pulley of a kind of locking device as described in a claim as any in claim 1 to 6, is characterized in that: the thickness of described inner sleeve (2) is less than the thickness of wheel disc (1).
9. the belt pulley of a kind of locking device as described in a claim as any in claim 1 to 6, is characterized in that: the inner side surface of inner sleeve (2) is axially arranged with keyway (4).
10. the belt pulley of a kind of locking device as described in a claim as any in claim 1 to 6, is characterized in that: the described first radius installing groove (7) is greater than the radius of the first dismounting groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368307.2U CN204061817U (en) | 2014-07-06 | 2014-07-06 | A kind of belt pulley of locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368307.2U CN204061817U (en) | 2014-07-06 | 2014-07-06 | A kind of belt pulley of locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061817U true CN204061817U (en) | 2014-12-31 |
Family
ID=52203337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420368307.2U Expired - Fee Related CN204061817U (en) | 2014-07-06 | 2014-07-06 | A kind of belt pulley of locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885661A (en) * | 2015-05-11 | 2015-09-09 | 刘影 | Safety driving device for rice transplanter |
| CN114310212A (en) * | 2020-09-29 | 2022-04-12 | 中冶宝钢技术服务有限公司 | Copper bush installation guide device and method |
-
2014
- 2014-07-06 CN CN201420368307.2U patent/CN204061817U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885661A (en) * | 2015-05-11 | 2015-09-09 | 刘影 | Safety driving device for rice transplanter |
| CN114310212A (en) * | 2020-09-29 | 2022-04-12 | 中冶宝钢技术服务有限公司 | Copper bush installation guide device and method |
| CN114310212B (en) * | 2020-09-29 | 2023-09-19 | 中冶宝钢技术服务有限公司 | Copper bush installation guiding device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |