CN210371322U - Pump impeller installation device and pump impeller dismounting device - Google Patents
Pump impeller installation device and pump impeller dismounting device Download PDFInfo
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- CN210371322U CN210371322U CN201921393099.0U CN201921393099U CN210371322U CN 210371322 U CN210371322 U CN 210371322U CN 201921393099 U CN201921393099 U CN 201921393099U CN 210371322 U CN210371322 U CN 210371322U
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- impeller
- locking ring
- circular surface
- pump impeller
- bearing
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Abstract
The utility model provides a pump impeller installation device and pump impeller dismounting device, including dividing half bearing, back locking ring, end bearing, end locking ring, fastener, tip backup pad and hoist and mount crossbeam. The inner circular surface of the half bearing is matched and installed with the outer circular surface of the impeller at the rear end of the impeller body, the rear locking ring is sleeved on the outer circular surface of the half bearing and detachably connected with the end locking ring through a fastening piece, two ends of the hoisting cross beam are detachably connected with the rear locking ring and the end locking ring respectively, during installation, the inner circular surface of the end bearing is matched and installed with the end surface of the front end of the impeller body, the end locking ring is sleeved on the outer circular surface of the end bearing, during disassembly, the end bearing is replaced by the end supporting plate, and the impeller is separated from the connecting shaft on the end supporting plate by the action force of a jack. The rotating requirement when the impeller is installed is met, and meanwhile, the impeller is ensured to be in a horizontal position, so that the impeller is stressed evenly, and the impeller is protected from being damaged locally.
Description
Technical Field
The utility model relates to the field of fluid machinery, especially, relate to a pump impeller installation device and pump impeller dismounting device.
Background
The impeller of the main pump is large in size and heavy in weight, the position of the impeller needs to be adjusted in the hoisting, assembling and disassembling processes, and the assembly precision requirement is high. Meanwhile, when a large impeller is horizontally installed, the impeller suspension point is fixed, and the centering is usually difficult to adjust according to the gravity center. To the impeller that adopts the terminal surface tooth to connect, the terminal tooth usually needs to pair the installation with the terminal surface tooth of connecting axle during the installation, needs rotatory impeller to satisfy the terminal tooth and pairs in the installation, and current impeller dismouting device can't satisfy the rotation of impeller when hoist and mount. In the process of disassembling a large-sized impeller, the conventional impeller disassembling and assembling device cannot enable the impeller to be kept at a horizontal position, cannot ensure that the stretching stress is uniform and the stress direction is kept at a central position, and causes the local damage of the impeller.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pump impeller installation device and pump impeller dismounting device, impeller hoisting point can be according to focus adjustment centering, can rotate the impeller in order to realize adopting the end face tooth to pair the installation of the impeller of connecting to keep the horizontal position of impeller when dismantling, avoid the local damage of impeller.
To achieve the above object, one aspect of the present invention provides a pump impeller mounting device, including:
the inner circular surface of the semi-bearing is used for being matched and installed with the outer circular surface of the impeller at the rear end of the impeller;
the rear locking ring is sleeved on the outer circular surface of the half bearing;
the inner circular surface of the end bearing is used for being matched and installed with the end surface of the front end of the impeller;
the end locking ring is sleeved on the outer circular surface of the end bearing;
the rear locking ring and the end locking ring are detachably connected through the fastener and are axially locked;
and two ends of the hoisting crossbeam are detachably connected with the rear locking ring and the end locking ring respectively.
Preferably, the hoisting beam is provided with a waist-hole-shaped hoisting point.
Preferably, the fasteners are evenly distributed in the circumferential direction.
Preferably, the fastener is a bolt.
On the other hand, the utility model also provides a pump impeller dismounting device, its characterized in that: the method comprises the following steps:
the inner circular surface of the semi-bearing is used for being matched and installed with the outer circular surface of the impeller at the rear end of the impeller;
the rear locking ring is sleeved on the outer circular surface of the half bearing;
the edge of the end part supporting plate is used for being matched and installed with the end surface of the front end of the impeller;
the end locking ring is sleeved on the outer circular surface of the end supporting plate;
the rear locking ring and the end locking ring are detachably connected through the fastener and are axially locked;
and two ends of the hoisting crossbeam are detachably connected with the rear locking ring and the end locking ring respectively.
Preferably, the edge of the end supporting plate is provided with a circular ring protrusion, and the inner circular surface of the circular ring protrusion is matched with the end surface of the front end of the impeller.
Preferably, the hoisting beam is provided with a waist-hole-shaped hoisting point.
Preferably, the fasteners are evenly distributed in the circumferential direction.
Preferably, the fastener is a bolt.
Preferably, the end support plate is centrally provided with a jack support hole.
The utility model has the advantages that:
1. the utility model provides a pair of pump impeller installation device is when hoist and mount the impeller that adopts the terminal surface to connect, owing to adopted to install the both ends of impeller in dividing half bearing and end bearing, can satisfy the rotation requirement of impeller, realizes that the terminal surface tooth of impeller and the terminal surface tooth of connecting axle carry out the effect of pairing, has solved current installation device and can't satisfy the rotatory problem of impeller when hoist and mount.
2. The utility model provides a pair of pump impeller installation device and pump impeller dismounting device are when installing or dismantling the impeller, realize the impeller hoisting point through the hoisting point of setting up the waist hole shape on the hoist and mount crossbeam according to impeller focus adjustment centering, keep the horizontal position of impeller, thereby solved current dismouting device and can't lead to the problem that impeller horizontal position can't be guaranteed according to impeller focus adjustment hoisting point.
3. The utility model provides a pair of pump impeller dismounting device is when dismantling the impeller, use to hoist the device and exert vertical ascending power of side to the impeller through setting up hoist and mount crossbeam, through set up jack supporting hole at tip backup pad center and use jack to exert the ascending power of horizontal direction to the impeller, combine the hoisting point can adjust the centering in order to keep the impeller to be in horizontal position's effect according to the impeller focus, thereby guarantee that the impeller is dismantling even and the atress direction of in-process atress and put at the central point, avoid the local damage of impeller, it can't make the impeller keep horizontal position to have solved current dismounting device, can't guarantee that tensile atress is even and the atress direction keeps putting at the central point and the damage to the impeller part that causes.
Drawings
Fig. 1 is a perspective view of a pump impeller mounting device according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a three-dimensional structure diagram of a pump impeller detaching device according to an embodiment of the present invention;
fig. 4 is an exploded view of fig. 3.
In the figure:
1. dividing a half bearing;
2. an end bearing;
3. a rear locking ring;
4. an end locking ring;
5. a fastener;
6. hoisting the beam; 61. hoisting points;
7. an impeller; 71. an impeller body; 72. the outer circle surface of the impeller; 73. an end face; 74. a threaded hole;
8. end support plates.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention.
Referring to fig. 1 and 2, an aspect of the present invention provides a pump impeller mounting device, which includes a half-divided bearing 1, a rear locking ring 3, an end bearing 2, an end locking ring 4, a fastener 5, and a hoisting beam 6. The inner circular surface of the half bearing 1 is matched and installed with the outer circular surface 72 of the impeller at the rear end of the impeller body 71, the rear locking ring 3 is sleeved on the outer circular surface of the half bearing 1, the inner circular surface of the end bearing 2 is matched and installed with the end surface 73 at the front end of the impeller body 71, the end locking ring 4 is sleeved on the outer circular surface of the end bearing 2, the rear locking ring 3 and the end locking ring 4 are detachably connected through a fastener 5 and axially locked, and the two ends of the hoisting cross beam 6 are respectively connected with the rear locking ring 3 and the end locking ring 4 through screws to realize detachable connection.
Furthermore, the hoisting beam 6 is provided with a waist-hole-shaped hoisting point 61, and the hoisting point can be adjusted according to the gravity center position of the impeller to ensure that the impeller 7 is in a horizontal position.
Preferably, the fastener 5 is a bolt that secures the rear locking ring 3 with the end locking ring 4 such that the impeller 7 is removably mounted on the mounting device.
After the mounting device is mounted on the impeller 7, the impeller 7 is lifted to a corresponding height through the hoisting cross beam 6, so that the threaded hole 74 formed in the impeller 7 corresponds to the connecting shaft, an impeller nut can be mounted, the impeller nut penetrates through the threaded hole 74 to be fixedly connected with the connecting shaft, the threaded hole 74 is formed in the center of the whole impeller 7, and the end bearing 2 provides a sufficient operating space when the impeller nut is mounted. Impeller 7 is the impeller that adopts the terminal surface tooth to connect, because of the terminal surface tooth and the axle head face tooth of impeller 7 need the cooperation installation, need adjust the position of the terminal surface tooth of impeller 7 when the assembly, can conveniently rotate impeller 7 with the circumferential position of adjustment impeller 7 through dividing half bearing 1 and end bearing 2 to accomplish the installation to impeller 7.
Referring to fig. 3 and 4, another aspect of the present invention provides a pump impeller detaching device, which includes a half-divided bearing 1, a rear locking ring 3, an end supporting plate 8, an end locking ring 4, a fastening member 5, and a hoisting beam 6. The inner circular surface of the half bearing 1 is matched and installed with the outer circular surface 72 of the impeller at the rear end of the impeller body 71, the rear locking ring 3 is sleeved on the outer circular surface of the half bearing 1, the edge of the end supporting plate 8 is matched and installed with the end surface 73 at the front end of the impeller body 71, the end locking ring 4 is sleeved on the outer circular surface of the end supporting plate 8, the rear locking ring 3 and the end locking ring 4 are detachably connected through a fastener 5 and are axially locked, and the two ends of the hoisting cross beam 6 are respectively connected with the rear locking ring 3 and the end locking ring 4 through screws to realize detachable connection.
Furthermore, the hoisting beam 6 is provided with a waist-hole-shaped hoisting point 61, and the hoisting point can be adjusted according to the gravity center position of the impeller to ensure that the impeller 7 is in a horizontal position.
Preferably, the fastener 5 is a bolt that fixes the rear locking ring 3 and the end locking ring 4 such that the impeller 7 is detachably mounted on the dismounting device.
Preferably, the end support plate 8 is circular in shape, and the edge of the end support plate 8 has a circular protrusion, the inner circular surface of which is fitted with the end surface of the front end of the impeller such that the end support plate 8 is mounted to the front end of the impeller 7.
In the impeller dismantlement process, demolish the back because of the impeller nut, still there is very big effort between the terminal surface tooth of impeller 7 and the terminal surface tooth of connecting axle, make impeller 7 directly can't be dismantled, consequently, need apply the pulling force on the horizontal direction to impeller 7 and unpack impeller 7 apart with the connecting axle, adopt jack to apply the ascending thrust of horizontal direction to impeller 7 in this embodiment, simultaneously because the action of gravity, impeller 7 has a vertical decurrent atress, in this embodiment through adopting the hoisting device to use the hoisting point 61 of the waist hole shape on the hoist and mount crossbeam 6 to apply a vertical ascending power to impeller 7 as the atress point, in order to keep the balance of impeller 7.
The center of tip backup pad 8 is provided with jack supporting hole, locates the jack dress in the middle of tip backup pad 8 towards the side of impeller one side to jack supporting hole is the stress point, makes the effort of jack can act on the center of tip backup pad 8 parallelly, guarantees impeller 7 atress equilibrium together with the power of the vertical direction that hoist and mount crossbeam 6 provided, avoids impeller 7's terminal surface and outer disc to take place the damage.
Preferably, the jack is a hydraulic jack, although a screw jack, a claw jack or a single-acting jack may be used.
After the acting force of the jack is separated from the connecting shaft, the impeller 7 is lifted off the site by the lifting device through the lifting beam 6, so that the impeller 7 is detached.
The utility model provides a pump impeller installation device and pump impeller dismounting device are only two parts different, all the other are general parts, need use end bearing 2 when installing impeller 7 promptly, and when dismantling impeller 7, only need with end bearing 2 change into tip backup pad 8 to use the jack with impeller 7 with the connecting axle separately can, its simple structure, it is nimble to use.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A pump impeller installation device which is characterized in that: the method comprises the following steps:
the inner circular surface of the half bearing (1) is used for being matched and installed with the outer circular surface of the impeller at the rear end of the impeller;
the rear locking ring (3) is sleeved on the outer circular surface of the half bearing (1);
the inner circular surface of the end bearing (2) is used for being matched and installed with the end surface of the front end of the impeller;
the end locking ring (4) is sleeved on the outer circular surface of the end bearing (2);
the rear locking ring (3) and the end locking ring (4) are detachably connected through the fastener and axially locked;
and two ends of the hoisting beam (6) are detachably connected with the rear locking ring (3) and the end locking ring (4) respectively.
2. A pump impeller mounting arrangement according to claim 1, wherein: and the hoisting beam (6) is provided with a waist-hole-shaped hoisting point (61).
3. A pump impeller mounting arrangement according to claim 1, wherein: the fasteners (5) are circumferentially and uniformly distributed.
4. A pump impeller mounting apparatus according to any one of claims 1 to 3, wherein: the fastener (5) is a bolt.
5. The utility model provides a pump impeller dismounting device which characterized in that: the method comprises the following steps:
the half bearing (1) is used for being matched and installed with the outer circular surface of the impeller at the rear end of the impeller;
the rear locking ring (3) is sleeved on the outer circular surface of the half bearing (1);
the edge of the end part support plate (8) is used for being matched and installed with the end surface of the front end of the impeller;
the end locking ring (4) is sleeved on the outer circular surface of the end supporting plate (8);
the rear locking ring (3) and the end locking ring (4) are detachably connected through the fastening piece (5) and are axially locked;
and two ends of the hoisting beam (6) are detachably connected with the rear locking ring (3) and the end locking ring (4) respectively.
6. A pump impeller disassembly apparatus as claimed in claim 5, wherein: and the hoisting beam (6) is provided with a waist-hole-shaped hoisting point (61).
7. A pump impeller disassembly apparatus as claimed in claim 5, wherein: the fasteners (5) are circumferentially and uniformly distributed.
8. A pump impeller disassembly apparatus as claimed in claim 5, wherein: the fastener (5) is a bolt.
9. A pump impeller disassembly apparatus as claimed in claim 5, wherein: the edge of the end supporting plate (8) is provided with a circular ring protrusion, and the inner circular surface of the circular ring protrusion is matched with the end surface of the front end of the impeller.
10. A pump impeller disassembly apparatus as claimed in any one of claims 5 to 9, wherein: and a jack supporting hole is formed in the center of the end supporting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393099.0U CN210371322U (en) | 2019-08-26 | 2019-08-26 | Pump impeller installation device and pump impeller dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393099.0U CN210371322U (en) | 2019-08-26 | 2019-08-26 | Pump impeller installation device and pump impeller dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210371322U true CN210371322U (en) | 2020-04-21 |
Family
ID=70252728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921393099.0U Active CN210371322U (en) | 2019-08-26 | 2019-08-26 | Pump impeller installation device and pump impeller dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210371322U (en) |
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2019
- 2019-08-26 CN CN201921393099.0U patent/CN210371322U/en active Active
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