CN215370345U

CN215370345U - Improved high-strength anti-corrosion impeller for ship

Info

Publication number: CN215370345U
Application number: CN202122023799.4U
Authority: CN
Inventors: 傅旭东; 孙雅倩; 傅祖兴; 陈玉玲
Original assignee: Qingdao Yonghexing Yacht Propeller Co ltd
Current assignee: Qingdao Yonghexing Yacht Propeller Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2021-12-31
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the technical field of impellers, in particular to an improved high-strength anti-corrosion impeller for ships, which comprises an impeller main body, wherein one side of the impeller main body is fixedly connected with a transmission shaft, a fixing mechanism with a sealing function is arranged in the impeller main body, three groups of mounting grooves are arranged on the impeller main body at equal angles, a bearing block is arranged in each mounting groove, one end of each bearing block is fixedly connected with a blade, the other end of each bearing block is provided with a clamping hole, a rack drives a second shaft through two groups of gears, the second shaft drives a sliding sleeve, one end of a clamping hook moves along the clamping hole under the matching action of an upright bearing and a guide pillar, a spring is compressed until one end of the clamping hook extrudes the clamping hole, the bearing block extrudes a flexible rubber sleeve, the flexible rubber sleeve is tightly attached to the mounting grooves after being extruded, the sealing property between the bearing block and the mounting grooves is enhanced, then a main shaft is fixed on the impeller main body through bolts, and the bearing block is rapidly fixed, the worker can conveniently detach the bearing block.

Description

Improved high-strength anti-corrosion impeller for ship

Technical Field

The utility model relates to the technical field of impellers, in particular to an improved marine high-strength anti-corrosion impeller.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The impeller is a wheel disc provided with movable blades and is a component of an impulse turbine rotor. And also refers to the generic term of the disk and the rotor blades mounted thereon.

Most of the existing impellers are produced and formed at one time, most of the blades on the impellers are directly arranged on the impellers, and after one impeller is damaged, the whole impeller needs to be replaced, so that the maintenance cost of the impeller is increased, and the practicability of the device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved high-strength anti-corrosion impeller for ships, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an improved marine high-strength anti-corrosion impeller comprises an impeller main body, wherein one side of the impeller main body is fixedly connected with a transmission shaft, a fixing mechanism with a sealing function is arranged in the impeller main body, three groups of mounting grooves are formed in the impeller main body at equal angles, a bearing block is arranged in each mounting groove, one end of each bearing block is fixedly connected with a blade, and the other end of each bearing block is provided with a clamping hole;

the fixing mechanism comprises a main shaft, one end of the main shaft is fixedly connected with a disc, three groups of pull rods are arranged on one side of the disc at equal angles, one end of each pull rod is provided with a first shaft, and one end of each shaft is provided with a clamping hook mechanism with a fixing function.

Preferably, the trip mechanism includes the rack, and two sets of gears of rack bilateral symmetry meshing, gear middle part connecting axle two, two one end fixed connection trips of axle, two one end of axle set up the sliding sleeve, and sliding sleeve sliding connection guide pillar overlaps on the guide pillar and establishes the spring, and the guide pillar is located the rectangular channel, axle one end fixed connection rack.

Preferably, the other end of the main shaft is provided with a bearing, and the bearing is embedded into the other side of the impeller main body.

Preferably, the other end of the main shaft extends to the outer side of the impeller main body, the other end of the main shaft is externally provided with threads, and the other end of the main shaft is in threaded connection with a bolt.

Preferably, two ends of the pull rod are provided with two groups of pin shafts, one end of each pin shaft is provided with a bearing, one group of bearings are embedded into one side of the disc deviated from the axis, and the other group of bearings are embedded into one end part of the shaft.

Preferably, the bearing block is sleeved with a flexible rubber sleeve which is connected with the mounting groove in a sliding manner.

Preferably, the rectangular channel is located the impeller main part inside wall, and the sliding sleeve that two one ends of axle set up is located the rectangular channel, and sliding sleeve one side embedding bearing, two one ends of bearing interference fit axle, the built-in upright bearing of sliding sleeve, upright bearing sliding connection guide pillar.

Compared with the prior art, the utility model has the beneficial effects that:

1. the main shaft rotates to drive the disc, the disc enables the three groups of racks to simultaneously move oppositely through the matching action of the three groups of pull rods and the corresponding first shafts, the movement of the racks drives the two groups of gears to simultaneously rotate, the gears enable the clamping hooks to turn over through the second shafts until one ends of the clamping hooks enter the clamping holes, and therefore the blades and the bearing blocks are limited on the impeller main body together;

2. the rack drives the second shaft through two groups of gears, the second shaft drives the sliding sleeve, under the matching effect of the vertical bearing and the guide pillar, one end of the clamping hook moves along the clamping hole, the spring is compressed, the clamping hole is extruded until one end of the clamping hook extrudes, the bearing block extrudes the flexible rubber sleeve, and the flexible rubber sleeve is extruded and then is tightly attached to the mounting groove, so that the sealing property between the bearing block and the mounting groove is enhanced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a combined back view of the spindle, tie rod, disk and shaft of the present invention;

FIG. 5 is a side view of the guide post, spring and shaft assembly of the present invention.

In the figure: 1. an impeller body; 2. mounting grooves; 3. a bearing block; 4. a paddle; 5. a fixing mechanism; 6. a drive shaft; 7. a clamping hole; 501. a main shaft; 502. a pull rod; 503. a disc; 504. a first shaft; 505. a hook mechanism; 5051. a rack; 5052. a guide post; 5053. a spring; 5054. a gear; 5055. a second shaft; 5056. a hook is clamped; 5057. a rectangular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: an improved marine high-strength anti-corrosion impeller comprises an impeller main body 1, a transmission shaft 6 is fixedly connected to one side of the impeller main body 1, a fixing mechanism 5 with a sealing function is arranged in the impeller main body 1, three groups of mounting grooves 2 are formed in the impeller main body 1 at equal angles, a bearing block 3 is arranged in each mounting groove 2, one end of each bearing block 3 is fixedly connected with a blade 4, the other end of each bearing block 3 is provided with a clamping hole 7, the fixing mechanism 5 comprises a main shaft 501, one end of the main shaft 501 is fixedly connected with a disc 503, three groups of pull rods 502 are arranged at equal angles on one side of the disc 503, one end of each pull rod 502 is provided with a first shaft 504, one end of each first shaft 504 is provided with a clamping hook mechanism 505 with a fixing function, the other end of the main shaft 501 is provided with a bearing, the bearing is embedded into the other side of the impeller main body 1, the clamping hook mechanism 505 comprises a rack 5051, two sides of the rack 5051 are symmetrically meshed with two sets of gears 5054, the middle of the gear 5054 is connected with a second shaft 5055, one end of the second shaft 5055 is fixedly connected with a clamping hook 5056, two ends of a pull rod 502 are provided with two groups of pin shafts, one end of each pin shaft is provided with a bearing, one group of bearings are embedded into one side of a disc 503 deviating from the axis, the other group of bearings are embedded into the end part of a first shaft 504, the other end of a main shaft 501 is fixedly connected with a polygonal shaft, when blades 4 need to be installed, three groups of bearing blocks 3 are respectively placed into three groups of installation grooves 2, then the polygonal shaft at the end part of the main shaft 501 is rotated through a socket wrench, the main shaft 501 rotates, the disc 503 is driven by the main shaft 501, the disc 503 is matched with the corresponding first shaft 504 through the three groups of pull rods 502, three groups of racks 5051 move oppositely at the same time, the two groups of gears 5054 are driven by the movement of the racks 5051 to rotate at the same time, the hooks 5056 are overturned by the gears 5054 through a second shaft 5055 until one end of the hooks 5056 enters a clamping hole 7, and therefore the blades 4 and the bearing blocks 3 are limited on the impeller main body 1 together;

one end of the second shaft 5055 is provided with a sliding sleeve, the sliding sleeve is slidably connected with a guide post 5052, the guide post 5052 is sleeved with a spring 5053, the guide post 5052 is positioned in a rectangular groove 5057, one end of the first shaft 504 is fixedly connected with a rack 5051, the other end of the main shaft 501 extends to the outer side of the impeller main body 1, the other end of the main shaft 501 is externally threaded, the other end of the main shaft 501 is in threaded connection with a bolt, a flexible rubber sleeve is sleeved on the bearing block 3 and is slidably connected with the installation groove 2, the rectangular groove 5057 is positioned on the inner side wall of the impeller main body 1, the sliding sleeve arranged at one end of the second shaft 5055 is positioned in the rectangular groove 5057, one side of the sliding sleeve is embedded with a bearing, the bearing is in interference fit with one end of the second shaft 5055, the sliding sleeve is internally provided with a vertical bearing which is slidably connected with the guide post 5052, when one end of the clamping hook 5056 enters into the clamping hole 7 and continues to rotate the main shaft 501, at the moment, the clamping hook 5056 cannot be further turned over under the obstruction of the bearing block 3, so that the rack 5051 drives the second shaft 5055 through two groups of gears 5054, two 5055 of axle drive sliding sleeve, under the mating action of upright bearing and guide pillar 5052, make trip 5056 one end remove along draw-in hole 7, and compression spring 5053, until trip 5056 one end extrusion draw-in hole 7, make and hold flexible rubber sleeve of piece 3 extrusion, flexible rubber sleeve receives the extrusion back, will hug closely mounting groove 2, thereby the leakproofness between holding piece 3 and mounting groove 2 has been strengthened, then fix main shaft 501 on impeller main part 1 through the bolt, not only realize the quick fixed of holding piece 3, be convenient for the workman to the dismantlement of holding piece 3, the leakproofness of the device has been improved simultaneously, avoid the inside spare part of impeller main part 1 to receive the seawater erosion.

The working principle is as follows: in the use process, three sets of bearing blocks 3 are respectively placed in three sets of mounting grooves 2, then a socket wrench is used for rotating a polygonal shaft at the end part of a main shaft 501, the main shaft 501 rotates, the main shaft 501 drives a disc 503, the disc 503 is matched with a corresponding shaft I504 through three sets of pull rods 502, three sets of racks 5051 simultaneously move oppositely, the racks 5051 move to drive two sets of gears 5054 to simultaneously rotate, the gears 5054 enable a hook 5056 to turn over through a shaft II 5055 until one end of the hook 5056 enters a clamping hole 7, the main shaft 501 continues to rotate, at the moment, under the obstruction of the bearing blocks 3, the hook 5056 cannot turn over further, therefore, the racks 5051 drive the shaft II 5055 through the two sets of gears 5054, the shaft II 5055 drives a sliding sleeve, under the matching action of an upright bearing and a guide pillar 5052, one end of the hook 5056 moves along the clamping hole 7, a spring 5053 is compressed, one end of the hook 5056 extrudes the clamping hole 7, and the bearing block 3 extrudes a flexible rubber sleeve, the flexible rubber sleeve will be tightly attached to the mounting groove after being pressed, and then the main shaft 501 is fixed on the impeller main body 1 by a bolt.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improved generation marine high strength anticorrosion impeller, includes impeller main part (1), impeller main part (1) one side fixed connection transmission shaft (6), its characterized in that: a fixing mechanism (5) with a sealing function is arranged in the impeller main body (1), three groups of mounting grooves (2) are arranged on the impeller main body (1) at equal angles, a bearing block (3) is arranged in each mounting groove (2), one end of each bearing block (3) is fixedly connected with a blade (4), and the other end of each bearing block (3) is provided with a clamping hole (7);

fixed establishment (5) include main shaft (501), main shaft (501) one end fixed connection disc (503), disc (503) one side is the angle such as set up three pull rod (502) of group, pull rod (502) one end sets up axle one (504), axle one (504) one end sets up trip mechanism (505) that have fixed function.

2. The improved marine high strength erosion protection impeller of claim 1, wherein: the clamping hook mechanism (505) comprises a rack (5051), two groups of gears (5054) are symmetrically meshed with two sides of the rack (5051), the middle of the gear (5054) is connected with a second shaft (5055), one end of the second shaft (5055) is fixedly connected with a clamping hook (5056), one end of the second shaft (5055) is provided with a sliding sleeve, the sliding sleeve is connected with a guide pillar (5052) in a sliding mode, a spring (5053) is sleeved on the guide pillar (5052), the guide pillar (5052) is located in a rectangular groove (5057), and one end of the first shaft (504) is fixedly connected with the rack (5051).

3. The improved marine high strength erosion protection impeller of claim 1, wherein: and a bearing is arranged at the other end of the main shaft (501), and the bearing is embedded into the other side of the impeller main body (1).

4. The improved marine high strength erosion protection impeller of claim 3, wherein: the other end of the main shaft (501) extends to the outer side of the impeller main body (1), threads are arranged on the other end of the main shaft (501) externally, and a bolt is screwed on the other end of the main shaft (501).

5. The improved marine high strength erosion protection impeller of claim 1, wherein: two ends of the pull rod (502) are provided with two groups of pin shafts, one end of each pin shaft is provided with a bearing, one group of the bearings are embedded into one side of the disc (503) deviating from the axis, and the other group of the bearings are embedded into the end part of the first shaft (504).

6. The improved marine high strength erosion protection impeller of claim 1, wherein: the bearing block (3) is sleeved with a flexible rubber sleeve which is connected with the mounting groove (2) in a sliding manner.

7. The improved marine high strength erosion protection impeller of claim 2, wherein: the rectangular groove (5057) is located in the inner side wall of the impeller main body (1), a sliding sleeve arranged at one end of the second shaft (5055) is located in the rectangular groove (5057), a bearing is embedded into one side of the sliding sleeve, the bearing is in interference fit with one end of the second shaft (5055), an upright bearing is arranged in the sliding sleeve, and the upright bearing is connected with the guide pillar (5052) in a sliding mode.