Propeller turnover device

Abstract

The utility model relates to the technical field of propellers, in particular to a propeller turnover device which comprises a support, a supporting plate, a rotating assembly, a rotating shaft, a fixing table, a V-shaped guide block and the like. The number of the supports is two, supporting plates are connected to the supports, rotating assemblies are connected to the supporting plates, rotating shafts are connected to the rotating assemblies, the sides, close to each other, of the rotating shafts are connected with the same fixing table, and two V-shaped guide blocks are rotationally connected into the fixing table. The self-centering propeller is provided with the V-shaped guide blocks, the first elastic pieces, the clamping blocks and the hook blocks, the self-centering effect of the propeller is achieved, before the propeller moves downwards, the distance between the tops of the V-shaped guide blocks is larger than the outer diameter of a propeller hub of the propeller, the V-shaped guide blocks do not need to be accurately aligned, and it is only needed to ensure that the propeller hub is located between the tops of the V-shaped guide blocks; the installation difficulty of the propellers is reduced, the butt joint efficiency of the propellers is improved, and the positioning time of the propellers is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to propeller technical field especially relates to a propeller turnover device. BACKGROUND

[0002] With the development of shipbuilding industry, as one of the core components of the propulsion system, the efficiency and safety in the process of installation and maintenance of propeller are increasingly valued, especially for 7-10 meters large propeller, its weight is large, the installation precision requirement is high.

[0003] The traditional method often needs to rely on the experience of the operator to visually inspect and realize the centering through repeated adjustment, which not only consumes time, but also is difficult to guarantee the accuracy, since the mass of the propeller itself is large, accidental movement is easy to occur in the process of turning over and moving due to inertia or gravity deviation, which increases the risk of collision between the propeller and the shaft end, once the collision occurs, it may cause damage to the hub or the threaded end of the shaft, thereby affecting the performance of the entire propulsion system. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the technical problem to be solved is to provide a propeller turnover device.

[0005] The technical scheme is as follows: a propeller turnover device, comprising a support, a support plate, a rotating assembly, a rotating shaft, a fixed table, a V-shaped guide block and a first elastic member, the number of supports is two, each support is connected with a support plate, each support plate is connected with a rotating assembly, each rotating assembly is connected with a rotating shaft, each rotating shaft is connected with the same fixed table on the side close to each other, two V-shaped guide blocks are rotatably connected in the fixed table, V-shaped grooves are arranged at the bottom of the side close to each other of the V-shaped guide blocks, and a first elastic member is connected between the bottoms of the V-shaped guide blocks.

[0006] As a preferred, it further comprises a distance measuring sensor, the top of the side close to each other of the V-shaped guide blocks is connected with the distance measuring sensor, and the distance measuring sensor is signal connected with the external hoisting device.

[0007] As a preferred, it further comprises a clamping block, the top of the side close to each other of the V-shaped guide blocks is connected with the clamping block, and the outer wall of the propeller hub is provided with an annular groove matched with the clamping block.

[0008] As a preferred, it further comprises a hook block, and the V-shaped groove of the V-shaped guide block is connected with the hook block.

[0009] As preferred, the fixing block is arc-shaped on the side close to the propeller hub.

[0010] As preferred, the fixing block is arc-shaped on the side close to the propeller hub.

[0011] As preferred, the fixing block is arc-shaped on the side close to the propeller hub.

[0012] As preferred, the fixing block is arc-shaped on the side close to the propeller hub.

[0013] As preferred, the fixing block is arc-shaped on the side close to the propeller hub.

[0014] As preferred, the fixing block is arc-shaped on the side close to the propeller hub.

[0015] The propeller is self-centered, the distance between the top of the V-shaped guide block is greater than the outer diameter of the propeller hub before the propeller moves down, the propeller hub only needs to be positioned between the top of the V-shaped guide block, the installation difficulty of the propeller is reduced, the butt joint efficiency of the propeller is improved, and the positioning time of the propeller is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a three-dimensional structure schematic view of the utility model.

[0018] Figure 3 It is a three-dimensional structure schematic view of the utility model.

[0019] Figure 4 It is a three-dimensional structure schematic view of the utility model.

[0020] Figure 5 It is a three-dimensional structure schematic view of the utility model.

[0021] Reference numerals: 1_bracket, 2_support plate, 3_rotating assembly, 4_rotating shaft, 5_fixed platform, 6_V-shaped guide block, 7_first elastic element, 8_locking block, 9_hook block, 10_range sensor, 11_propeller, 110_annular groove, 111_reserved hole, 12_pneumatic gripper, 13_fixed block, 131_rubber pad, 14_fixed frame, 15_pin, 16_second elastic element, 17_button. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Example

[0023] A propeller tilting device, such as Figures 1-5 As shown, the system includes a bracket 1, a support plate 2, a rotating assembly 3, a rotating shaft 4, a fixed platform 5, a V-shaped guide block 6, a first elastic element 7, a distance sensor 10, a locking block 8, a hook block 9, a pneumatic gripper 12, a fixing block 13, a rubber pad 131, a fixed frame 14, a pin 15, a second elastic element 16, and a button 17. There are two brackets 1, each connected to a support plate 2. Each support plate 2 is connected to a rotating assembly 3, and each rotating assembly 3 is connected to a rotating shaft 4. The same fixed platform 5 is connected to the side of each rotating shaft 4 that is close to each other. Two V-shaped guide blocks 6 are rotatably connected within the fixed platform 5. The bottom of the side of each V-shaped guide block 6 that is close to each other has a V-shaped groove. A first elastic element 7 connects the bottom of the V-shaped guide blocks 6. A distance sensor 10 is connected to the top of the side of each V-shaped guide block 6 that is close to each other. The distance sensor 10 is connected to an external hoisting device. Next, each of the V-shaped guide blocks 6 has a locking block 8 connected to the top of its adjacent side. The outer wall of the propeller hub 11 has an annular groove 110 that matches the locking block 8. Each of the V-shaped guide blocks 6 has a hook block 9 connected to its V-groove. At least two pneumatic grippers 12 are connected to the fixed platform 5. Each of the grippers 12 has a fixing block 13 connected to its clamping block. The side of the fixing block 13 closest to the propeller hub 11 is arc-shaped. Each of the fixing blocks 13 has a rubber pad 131 on its adjacent side. At least sixteen reserved holes 111 are opened circumferentially at the bottom of the propeller 11. At least eight fixing frames 14 are connected inside the fixed platform 5. Each fixing frame 14 has a sliding pin 15 connected to it. The upper side of each pin 15 is smaller than the lower side. Each pin 15 is connected to the fixing frame 14 with a second elastic element 16. Each pin 15 has a button 17 installed on its top. The button 17 is connected to the controller signal of the rotating assembly 3.

[0024] Initially, the first elastic member 7 is normal, the bottom of the V-shaped guide block 6 is close to each other, the top of the V-shaped guide block 6 is far away from each other, when the propeller 11 needs to be installed, first lift the propeller 11 through the external lifting device, make the propeller 11 above the fixed table 5, move the propeller 11 downward, make it move between the top of the two V-shaped guide blocks 6, continue to move the propeller 11 downward, make the bottom of the propeller 11 press the V-shaped groove of the V-shaped guide block 6, both V-shaped guide blocks 6 rotate, the first elastic member 7 is stretched, make the clamping block 8 slide along the outer wall of the propeller 11, the hook block 9 gradually approaches the inner wall of the propeller hub, when the clamping block 8 slides into the annular groove 110, the preliminary fixing of the propeller 11 is completed, at this time the hook block 9 contacts with the inner wall of the propeller hub, realize the self-centering effect of the propeller 11, and before the propeller 11 moves downward, the distance between the top of the V-shaped guide block 6 is greater than the outer diameter of the propeller hub, without precise alignment of the V-shaped guide block 6, as long as the propeller hub is located between the top of the V-shaped guide block 6, reduce the installation difficulty of the propeller 11, improve the docking efficiency of the propeller 11, shorten the positioning time of the propeller 11, when the propeller 11 moves downward, measure the distance between the V-shaped guide block 6 and the inner wall of the propeller hub through the distance measuring sensor 10, when the propeller 11 swings, the data measured by the distance measuring sensor 10 is the distance between the V-shaped guide block 6 and the bottom of the propeller 11 and the distance between the V-shaped guide block 6 and the propeller hub, when the distance data changes interval exceeds the normal value, stop moving the propeller 11 downward, wait for the swing amplitude to weaken, when the data measured by the distance measuring sensor 10 changes within the normal value, continue to move the propeller 11 downward, without manual visual alignment, further improve the precision and automation degree of the present turnover device, when the V-shaped guide block 6 fixes the propeller 11, the bottom of the propeller 11 presses the pin 15 and the button 17, the second elastic member 16 is compressed, the button 17 remains in the pressed state, rotate the propeller 11 through the external lifting device, make the propeller 11 rotate on the V-shaped guide block 6, the top of the pin 15 moves along the bottom of the propeller 11, when the pin 15 is aligned with the reserved hole 111, the second elastic member 16 restores to its original state, make the pin 15 inserted into the reserved hole 111, realize the secondary fixing of the propeller 11, in the process of inserting the pin 15 into the reserved hole 111, the button 17 is lifted to send a signal, indicating that the pin 15 has been inserted into the reserved hole 111, after the pin 15 is inserted into the reserved hole 111, under the elastic force of the second elastic member 16, the button 17 is pressed again, through the short button 17 lifting signal, judge that the pin 15 enters the reserved hole 111, ensure the normal work of secondary fixing, further improve the automation degree of the present turnover device, then drive the fixed block 13 to move close to the outer wall of the propeller hub through the pneumatic clamping jaw 12, clamp the outer wall of the propeller hub through the fixed block 13, realize the third fixing, further improve the fixing effect and stability of the present turnover device, after three times of fixing,The rotating shaft 4 is driven to rotate by the rotating assembly 3, so that the fixed table 5 is overturned, thereby realizing the overturning of the overturning device.

[0025] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made in accordance with the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A propeller turning device, characterized in that The utility model relates to a kind of propeller turnover devices, including: Support (1), the quantity of support (1) is two, support (1) is connected with support plate (2), support plate (2) is connected with rotating assembly (3), rotating assembly (3) is connected with rotating shaft (4), rotating shaft (4) side close to each other is connected with same fixed platform (5); V-shaped guide block (6), two V-shaped guide blocks (6) are rotatably connected in fixed platform (5), V-shaped guide block (6) side close to each other bottom is equipped with V-shaped groove, and first elastic member (7) is connected between V-shaped guide block (6) bottom.

2. A propeller turning device according to claim 1, wherein Also including have: Distance sensor (10), V-shaped guide block (6) side close to each other top is connected with distance sensor (10), and distance sensor (10) is signal connected with external hoisting device.

3. A propeller turning device according to claim 2, wherein Also including have: Clamping block (8), V-shaped guide block (6) side close to each other top is connected with clamping block (8), and propeller (11) hub outer wall is opened with the annular groove (110) of being adapted to clamping block (8).

4. A propeller turning device according to claim 3, wherein Also including have: Hook block (9), the V-shaped groove of V-shaped guide block (6) is connected with hook block (9).

5. A propeller turning device according to claim 4, wherein, Also including have: Pneumatic clamping jaw (12) and fixed block (13), at least two pneumatic clamping jaws (12) are connected on fixed platform (5), and fixed block (13) is connected on the clamping block of pneumatic clamping jaw (12).

6. The propeller turnover device of claim 5, wherein: The side of fixed block (13) close to propeller (11) hub is arc-shaped.

7. A propeller turning device according to claim 6, wherein Also including have: Rubber pad (131), fixed block (13) side close to each other is equipped with rubber pad (131).

8. A propeller turning device according to claim 7, wherein, Also including have: Fixed frame (14), at least sixteen reserved holes (111) are opened in the circumferential direction on the bottom of propeller (11), at least eight fixed frames (14) are connected in fixed platform (5), and bolt (15) is slidably connected in fixed frame (14), and second elastic member (16) is connected between bolt (15) and fixed frame (14).

9. The propeller turnover device of claim 8, wherein: The upper side of bolt (15) is smaller than the lower side.

10. The propeller turnover device of claim 9, wherein: Also including have button (17), and button (17) is signal connected with the controller of rotating assembly (3).

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