CN210152908U - Mounting structure of paper machine screw rod pump shaft - Google Patents
Mounting structure of paper machine screw rod pump shaft Download PDFInfo
- Publication number
- CN210152908U CN210152908U CN201921095649.0U CN201921095649U CN210152908U CN 210152908 U CN210152908 U CN 210152908U CN 201921095649 U CN201921095649 U CN 201921095649U CN 210152908 U CN210152908 U CN 210152908U
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- shaft
- screw pump
- pump shaft
- hole
- speed reducer
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Abstract
A mounting structure of a screw pump shaft of a paper machine comprises the screw pump shaft, a speed reducer output shaft, a connecting shaft and two connecting pins, wherein one end of the connecting shaft is provided with a first open slot, the other end of the connecting shaft is provided with a second open slot, the first open slot and the second open slot are vertically distributed, one end of the connecting shaft is provided with a first connecting hole, the first connecting hole vertically penetrates through the first open slot, the other end of the connecting shaft is provided with a second connecting hole, the second connecting hole vertically penetrates through the second open slot, a connecting section of the screw pump shaft is provided with a first through hole, a second through hole is arranged on the speed reducer output shaft, the connecting section of the screw pump shaft is positioned in the first open slot of the connecting shaft, the speed reducer output shaft is positioned in the second open slot of the connecting shaft, one connecting pin penetrates through the first connecting hole and, and the screw pump shaft and the output shaft of the speed reducer are flexibly connected by axial positioning.
Description
Technical Field
The utility model relates to a papermaking field, in particular to mounting structure of paper machine screw rod pump shaft.
Background
The paper machine screw pump is used for conveying paper-making chemical raw materials to the paper machine. The screw pump shaft of the currently used paper machine screw pump is rigidly connected with a matched speed reducer, after the screw pump is used for about half a year, a connecting pin base hole between the screw pump shaft of the paper machine screw pump and a matched speed reducer ball head is seriously abraded, a round hole is changed into an elliptical hole, the abrasion of a working surface of a connecting shaft pin is shortened, and a serious positioning device falls off, so that abnormal conditions such as abnormal sound, resonance and the like exist in the paper machine screw pump, and the normal production of a paper machine is seriously influenced.
Disclosure of Invention
The utility model aims at prior art not enough, provide a mounting structure of paper machine screw rod pump shaft, its simple structure, installation, dismantlement convenience can effectively prolong the maintenance cycle of paper machine screw rod pump, reduce the maintenance cost of enterprise.
The technical scheme of the utility model is that: the utility model provides a mounting structure of paper machine screw rod pump shaft, includes screw rod pump shaft, speed reducer output shaft, connecting axle to and two connecting pins, the one end of connecting axle sets up first open slot, and the other end of connecting axle sets up the second open slot, and first open slot, second open slot are vertical distribution, the one end of connecting axle sets up first connecting hole, and first connecting hole runs through first open slot perpendicularly, and the other end of connecting axle sets up the second connecting hole, and the second connecting hole runs through the second open slot perpendicularly, be equipped with the first through-hole that runs through on the linkage segment of screw rod pump shaft, be equipped with the second through-hole that runs through on the speed reducer output shaft, the linkage segment of screw rod pump shaft is located the first open slot of connecting axle, and the speed reducer output shaft is located the second open slot of connecting axle, and screw rod pump shaft, connecting axle, speed reducer, The other connecting pin penetrates through the second connecting hole and the second through hole and is axially positioned, so that the screw pump shaft and the output shaft of the speed reducer are flexibly connected.
The cross section of the output shaft of the speed reducer is rectangular, and the cross section of the connecting section of the screw pump shaft is circular.
The screw pump is characterized by further comprising a sheath, wherein one end of the sheath is fixed on the output shaft of the speed reducer, and the other end of the sheath extends to the shaft of the screw pump to form a covering for the output shaft of the speed reducer, the connecting shaft and the screw pump shaft.
Be equipped with spacing boss on the transversal minor face lateral wall of personally submitting rectangular speed reducer output shaft, be equipped with spacing recess on another minor face lateral wall, spacing boss, spacing recess all extend along the axial, be equipped with the groove of splining on the interior pore wall of sheath, be equipped with the boss of splining on the interior pore wall of sheath, the sheath cover is established on the speed reducer output shaft, and the boss card of splining on the sheath goes into the spacing recess on the speed reducer output shaft, and spacing boss card on the speed reducer output shaft goes into the groove of splining on the sheath, forms circumferential location.
The locking bolt penetrates through the sheath and is in threaded fit with the output shaft of the speed reducer to form axial positioning.
The other end of the sheath is provided with a dustproof convex ring, and the connecting section of the screw pump shaft penetrates through the inner ring of the dustproof convex ring to form clearance fit.
One end of the connecting pin is provided with a pin cap, the other end of the connecting pin is provided with an assembling ring groove on the circumferential surface, the connecting pin penetrates through the corresponding connecting hole and the through hole, and the limiting snap ring is assembled to form axial limiting.
Adopt above-mentioned technical scheme to have following beneficial effect:
1. the mounting structure of the paper machine screw pump shaft comprises a screw pump shaft, a reducer output shaft, a connecting shaft and two connecting pins, wherein the screw pump shaft is matched with a matched screw pump shell and used for conveying paper pulp, and the reducer output shaft is used for driving the screw pump shaft to rotate. One end of the connecting shaft is provided with a first open slot, the other end of the connecting shaft is provided with a second open slot, and the first open slot and the second open slot are vertically distributed. One end of the connecting shaft is provided with a first connecting hole, the first connecting hole vertically penetrates through the first open slot, the other end of the connecting shaft is provided with a second connecting hole, and the second connecting hole vertically penetrates through the second open slot, namely, the first connecting hole and the second connecting hole are also vertically distributed. The screw rod pump shaft is characterized in that a through first through hole is formed in the connecting section of the screw rod pump shaft, a through second through hole is formed in the reducer output shaft, the connecting section of the screw rod pump shaft is located in a first open slot of the connecting shaft, the reducer output shaft is located in a second open slot of the connecting shaft, the screw rod pump shaft, the connecting shaft and the reducer output shaft are located on the same straight line, one connecting pin penetrates through the first connecting hole and the first through hole and is axially positioned, the screw rod pump shaft and the connecting shaft are circumferentially fixed, the screw rod pump shaft can rotate for an angle around the connecting pin, the other connecting pin penetrates through the second connecting hole and the second through hole and is axially positioned, the reducer output shaft and the connecting shaft are circumferentially fixed, the reducer output shaft can rotate for an angle around the connecting pin, the screw rod pump shaft and the reducer output shaft form flexible connection, impact force between the output shaft of the speed reducer and the shaft of the screw pump can be effectively buffered, the abrasion of the first connecting hole, the second connecting hole, the first through hole and the second through hole and the abrasion of the two connecting pins are effectively reduced, the overhaul period of the screw pump of the paper machine is prolonged, and the maintenance cost of enterprises is reduced.
2. The protective sleeve is used for protecting the flexible connection between the output shaft of the speed reducer and the screw pump shaft, and effectively ensures long-time normal operation of the connecting shaft.
3. The other end of the sheath is provided with a dustproof convex ring, the connecting section of the screw pump shaft penetrates through the inner ring of the dustproof convex ring to form clearance fit, so that foreign matters such as oil and dust are reduced to enter the sheath, and the long-time normal operation of the connecting shaft is effectively guaranteed.
The following further description is made with reference to the accompanying drawings and detailed description.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial view taken at A of FIG. 1;
fig. 3 is a schematic structural view of the connecting shaft of the present invention.
In the attached drawing, 1 is a screw pump shaft, 2 is a reducer output shaft, 3 is a connecting shaft, 4 is a connecting pin, 5 is a first open slot, 6 is a second open slot, 7 is a first connecting hole, 8 is a second connecting hole, 9 is a first through hole, 10 is a second through hole, 11 is a sheath, 12 is a limiting boss, 13 is a limiting groove, 14 is a stopping groove, 15 is a stopping boss, 16 is a locking bolt, 17 is a dustproof convex ring, 18 is a pin cap, and 19 is an assembly annular groove.
Detailed Description
The utility model discloses in, do not mark the equipment of concrete connection mode, go on according to conventional condition or according to the condition of firm suggestion usually, do not mark the equipment of specific model, be the conventional equipment in chemical industry field usually.
Referring to fig. 1 to 3, a specific embodiment of a mounting structure of a screw pump shaft of a paper machine is shown. The mounting structure of the paper machine screw pump shaft comprises a screw pump shaft 1, a reducer output shaft 2, a connecting shaft 3 and two connecting pins 4. One end of the connecting shaft 3 is provided with a first open slot 5, the other end of the connecting shaft 3 is provided with a second open slot 6, and the first open slot 5 and the second open slot 6 are vertically distributed. One end of the connecting shaft 3 is provided with a first connecting hole 7, the first connecting hole 7 vertically penetrates through the first open slot 5, the other end of the connecting shaft 3 is provided with a second connecting hole 8, and the second connecting hole 8 vertically penetrates through the second open slot 6. The first opening groove and the second opening groove are respectively arranged at the center of the end part of the connecting shaft, and the first connecting hole and the second connecting hole respectively penetrate through the center line of the connecting shaft. The screw rod pump shaft comprises a screw rod pump shaft 1, a speed reducer output shaft 2 and a speed reducer output shaft, wherein a first through hole 9 which penetrates through the screw rod pump shaft 1 is formed in a connecting section of the screw rod pump shaft 1, specifically, the cross section of the connecting section of the screw rod pump shaft 1 is circular, the first through hole penetrates through the connecting section of the screw rod pump shaft along the radial direction, a second through hole 10 which penetrates through the speed reducer output shaft is formed in the speed reducer output shaft 2, specifically, the cross section of the speed reducer output shaft 2 is. The connecting section of the screw pump shaft 1 is positioned in a first open slot 5 of a connecting shaft 3, a first through hole on the screw pump shaft is aligned with a first connecting hole on one end of the connecting shaft, a reducer output shaft 2 is positioned in a second open slot 6 of the connecting shaft 3, a second through hole on the reducer output shaft is aligned with a second connecting hole on the other end of the connecting shaft, the screw pump shaft 1, the connecting shaft 3 and the reducer output shaft 2 are positioned on the same straight line, one connecting pin passes through the first connecting hole 7 and the first through hole 9, and is axially positioned, the other connecting pin passes through the second connecting hole 8 and the second through hole 10 and is axially positioned, in the embodiment, one end of the connecting pin 4 is provided with a pin cap 18, the circumferential surface of the other end of the connecting pin 4 is provided with an assembling ring groove 19, and the connecting pin 4 passes through the corresponding connecting hole and the through hole and is assembled with a limiting snap ring to form axial limiting. The screw pump shaft 1 and the reducer output shaft 2 are flexibly connected.
Further, in order to ensure that the connecting shaft normally runs for a long time, the screw speed reducer further comprises a sheath 11, one end of the sheath 11 is fixed on the output shaft 2 of the speed reducer, the other end of the sheath 11 extends to the screw pump shaft 1 to cover the output shaft 2 of the speed reducer, the connecting shaft 3 and the screw pump shaft 1, specifically, a limit boss 12 is arranged on the side wall of one short edge of the output shaft 2 of the speed reducer with a rectangular cross section, a limit groove 13 is arranged on the side wall of the other short edge, the limit boss 12 and the limit groove 13 both extend along the axial direction, a rotation stopping groove 14 is arranged on the inner hole wall of the sheath 11, a rotation stopping boss 15 is arranged on the inner hole wall of the sheath 11, the sheath 11 is sleeved on the output shaft 2 of the speed reducer, the rotation stopping boss 15 on the sheath 11 is clamped into the limit groove, the locking bolt 16 penetrates through the sheath 11 and is in threaded fit with the output shaft 2 of the speed reducer to form axial positioning. The other end of the sheath 11 is provided with a dustproof convex ring 17, and the connecting section of the screw pump shaft 1 penetrates through the inner ring of the dustproof convex ring 17 to form clearance fit.
The utility model discloses an operating principle does, and the speed reducer output shaft rotates, and the drive connecting axle rotates, and then the drive screw pump shaft rotates, carries paper pulp. When relative impact force between the output shaft of the speed reducer and the screw pump shaft is opposite, the output shaft of the speed reducer rotates a small angle relative to the connecting shaft, and the output shaft of the speed reducer rotates a small angle relative to the connecting shaft, so that the abrasion of the first connecting hole, the second connecting hole, the first through hole, the second through hole and the two connecting pins is effectively reduced, the overhaul period of the screw pump of the paper machine is prolonged, and the maintenance cost of enterprises is reduced.
Claims (7)
1. The utility model provides a mounting structure of paper machine screw rod pump shaft which characterized in that: comprises a screw pump shaft (1), a reducer output shaft (2), a connecting shaft (3) and two connecting pins (4),
one end of the connecting shaft (3) is provided with a first open slot (5), the other end of the connecting shaft (3) is provided with a second open slot (6), the first open slot (5) and the second open slot (6) are vertically distributed,
one end of the connecting shaft (3) is provided with a first connecting hole (7), the first connecting hole (7) vertically penetrates through the first open slot (5), the other end of the connecting shaft (3) is provided with a second connecting hole (8), the second connecting hole (8) vertically penetrates through the second open slot (6),
a first through hole (9) which penetrates through the connecting section of the screw pump shaft (1), a second through hole (10) which penetrates through the speed reducer output shaft (2) are arranged on the connecting section of the screw pump shaft,
the connecting section of screw pump shaft (1) is arranged in first open slot (5) of connecting axle (3), and speed reducer output shaft (2) is arranged in second open slot (6) of connecting axle (3), and screw pump shaft (1), connecting axle (3), speed reducer output shaft (2) are arranged on same straight line, one the connecting pin passes first connecting hole (7), first through-hole (9), and axial positioning, another the connecting pin passes second connecting hole (8), second through-hole (10), and axial positioning makes screw pump shaft (1), speed reducer output shaft (2) form flexonics.
2. The mounting structure of the screw pump shaft of the paper machine according to claim 1, characterized in that: the cross section of the output shaft (2) of the speed reducer is rectangular, and the cross section of the connecting section of the screw pump shaft (1) is circular.
3. The mounting structure of the screw pump shaft of the paper machine according to claim 2, characterized in that: still include sheath (11), the one end of sheath (11) is fixed on speed reducer output shaft (2), and the other end of sheath (11) extends to screw pump shaft (1), hides covering to speed reducer output shaft (2), connecting axle (3), screw pump shaft (1) formation.
4. The mounting structure of the screw pump shaft of the paper machine according to claim 3, characterized in that: be equipped with spacing boss (12) on the transversal minor face lateral wall of personally submitting rectangular speed reducer output shaft (2), be equipped with spacing recess (13) on another minor face lateral wall, axial extension is all followed in spacing boss (12), spacing recess (13), be equipped with on the inner hole wall of sheath (11) spline recess (14), be equipped with on the inner hole wall of sheath (11) spline boss (15), sheath (11) cover is established on speed reducer output shaft (2), and spline boss (15) card on sheath (11) is gone into spacing recess (13) on speed reducer output shaft (2), and spacing boss (12) card on speed reducer output shaft (2) is gone into spline recess (14) on sheath (11), forms circumferential location.
5. The mounting structure of the screw pump shaft of the paper machine according to claim 3, characterized in that: the locking device is characterized by further comprising a locking bolt (16), wherein the locking bolt (16) penetrates through the sheath (11) and is in threaded fit with the output shaft (2) of the speed reducer to form axial positioning.
6. The mounting structure of the screw pump shaft of the paper machine according to claim 3, characterized in that: the other end of the sheath (11) is provided with a dustproof convex ring (17), and the connecting section of the screw pump shaft (1) penetrates through the inner ring of the dustproof convex ring (17) to form clearance fit.
7. The mounting structure of the screw pump shaft of the paper machine according to claim 1, characterized in that: one end of the connecting pin (4) is provided with a pin cap (18), the other end of the connecting pin (4) is provided with an assembling ring groove (19) on the circumference, the connecting pin (4) penetrates through the corresponding connecting hole and the through hole, and a limiting snap ring is assembled to form axial limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921095649.0U CN210152908U (en) | 2019-07-12 | 2019-07-12 | Mounting structure of paper machine screw rod pump shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921095649.0U CN210152908U (en) | 2019-07-12 | 2019-07-12 | Mounting structure of paper machine screw rod pump shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210152908U true CN210152908U (en) | 2020-03-17 |
Family
ID=69765965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921095649.0U Expired - Fee Related CN210152908U (en) | 2019-07-12 | 2019-07-12 | Mounting structure of paper machine screw rod pump shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210152908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183515A (en) * | 2021-12-10 | 2022-03-15 | 浙江恒齿传动股份有限公司 | Speed reducer with safety pin for mud scraper |
-
2019
- 2019-07-12 CN CN201921095649.0U patent/CN210152908U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183515A (en) * | 2021-12-10 | 2022-03-15 | 浙江恒齿传动股份有限公司 | Speed reducer with safety pin for mud scraper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 Termination date: 20200712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |