Spraying auxiliary device for multi-stage paddle

Abstract

The utility model relates to the related technical field of multi-stage paddle production, in particular to a spraying auxiliary device for a multi-stage paddle, which is used for shielding a non-spraying area of a semi-multi-stage paddle, the semi-multi-stage paddle is formed by axially slitting the multi-stage paddle, and comprises an arc-shaped shell and a plurality of groups of paddles formed in the arc-shaped shell, the shaft fixing seat is fixed on one group of paddles, and comprises an outer ring shielding piece which is used for clamping the arc-shaped shell and shielding the outer ring and the tangent plane of the arc-shaped shell; and the shaft fixing seat shielding piece wraps the two axial ends of the shaft fixing seat and shields the tangent plane of the shaft fixing seat. By means of the outer ring shielding piece and the shaft fixing base shielding piece, the part, needing to be in butt joint, of the semi-multi-stage paddle is effectively shielded, the problem that in the prior art, the butt joint part is cleaned after the semi-multi-stage paddle is comprehensively sprayed, and consequently the machining procedure is tedious is effectively solved, and the production efficiency of the multi-stage paddle is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of multistage paddle production, and in particular to a spraying auxiliary device for multistage paddle. BACKGROUND

[0002] On the drilling platform, the mud recovery drilling technology without a riser is an implementation scheme of the dual-gradient drilling technology, and different from other dual-gradient drilling technologies, the mud and drill cuttings are returned to the sea surface through the seabed mud lifting pump via the suction module in the drilling system without a riser, and the dual-gradient drilling is realized by pressure control.

[0003] The multistage paddle is an important component in the lifting pump, and in the manufacturing process of the multistage paddle, generally, half of the multistage paddle is manufactured to form a half multistage paddle, the inside of the half multistage paddle is then sprayed to achieve the purpose of rust and corrosion prevention, and then the two half multistage paddles are butt-jointed to form a multistage paddle. The existing spraying of the half multistage paddle is realized by full spraying, and then the sprayed material on the connecting surface of the half multistage paddle is cleaned before butt-jointing, which increases the manufacturing process of the multistage paddle and affects the subsequent butt-jointing effect due to incomplete cleaning of the sprayed material. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a spraying auxiliary device for multistage paddle to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A spraying auxiliary device for multistage paddle is used for shielding the non-sprayed area of the half multistage paddle, comprising an arc-shaped shell and a plurality of groups of paddles formed in the arc-shaped shell, and further comprising a shaft fixing seat fixed on one of the groups of paddles, comprising:

[0007] An outer ring shielding piece is used for clamping and shielding the outer ring and the cutting surface of the arc-shaped shell;

[0008] A shaft fixing seat shielding piece is wrapped around the axial two ends of the shaft fixing seat and shields the cutting surface of the shaft fixing seat.

[0009] The spraying auxiliary device for multistage paddle as described above comprises:

[0010] A shielding seat is formed with an arc-shaped groove for placing the arc-shaped shell;

[0011] Two upper baffles symmetrically arranged are detachably installed on the shielding seat and used for shielding the cutting surface of the arc-shaped shell;

[0012] The side baffle symmetrically arranged is fixedly installed at both ends of the shielding seat and is used for shielding both ends of the arc-shaped shell.

[0013] The spraying auxiliary device for the multi-stage paddle as described above: the upper baffle is fixed with the shielding seat through at least two screws.

[0014] The spraying auxiliary device for the multi-stage paddle as described above: the upper baffle extends into the arc-shaped slot along the width direction of the upper baffle to form a shielding position.

[0015] The spraying auxiliary device for the multi-stage paddle as described above: the arc-shaped notch is formed on the side baffle, the inner arc radius of the arc-shaped notch is smaller than the inner arc radius of the arc-shaped slot, and the intersection of the side baffle and the arc-shaped slot forms a positioning part.

[0016] The spraying auxiliary device for the multi-stage paddle as described above: the shaft fixing seat shielding part comprises:

[0017] The first plug and the second plug are clamped at the axial both ends of the shaft fixing seat, and an arc-shaped baffle is further arranged between the first plug and the second plug.

[0018] The spraying auxiliary device for the multi-stage paddle as described above: the bolt is fixed on the first plug, the through hole is formed on the second plug for the bolt to penetrate, the bolt penetrates the through hole and clamps the first plug and the second plug at both ends of the shaft fixing seat through the nut.

[0019] Compared with the prior art, the beneficial effects of the utility model are that: through the setting of the outer ring shielding part and the shaft fixing seat shielding part, the butt joint part of the half multi-stage paddle is effectively shielded, the problem that the processing procedure is relatively complicated after the existing half multi-stage paddle is fully sprayed and then the butt joint part is cleaned is effectively solved, and the production efficiency of the multi-stage paddle is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a connection state schematic view of the spraying auxiliary device for the multi-stage paddle and the half multi-stage paddle.

[0021] Figure 2 It is another angle connection state schematic view of the spraying auxiliary device for the multi-stage paddle and the half multi-stage paddle.

[0022] Figure 3 It is a structure explosion view of the spraying auxiliary device for the multi-stage paddle and the half multi-stage paddle.

[0023] Figure 4 It is another angle structure explosion view of the spraying auxiliary device for the multi-stage paddle and the half multi-stage paddle.

[0024] Figure 5 It is a schematic diagram of the connection state of the shielding seat, the upper baffle and the side baffle in the spraying auxiliary device for the multi-stage paddle.

[0025] Figure 6 It is another angle schematic diagram of the connection state of the shielding seat, the upper baffle and the side baffle in the spraying auxiliary device for the multi-stage paddle.

[0026] In the figure: 1-shielding seat, 101-arc-shaped groove, 2-upper baffle, 201-shielding position, 3-screw, 4-side baffle, 401-positioning part, 5-first plug cover, 6-arc-shaped baffle, 7-second plug cover, 701-penetration hole, 8-nut, 9-bolt, 10-half multi-stage paddle, 1001-arc-shaped shell, 1002-paddle, 1003-shaft fixing seat. DETAILED DESCRIPTION

[0027] Various exemplary embodiments, features, and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numbers in the drawings represent functionally the same or similar elements. Although various aspects of the embodiments are illustrated in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0028] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any implementation described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations.

[0029] In addition, in order to better illustrate the present application, a large number of specific details are given in the following specific embodiments. Those skilled in the art should understand that without certain specific details, the present application can also be implemented. In some examples, methods, means, elements well known to those skilled in the art are not described in detail, in order to highlight the main idea of the present application.

[0030] The utility model aims at carrying out spraying treatment to multi-stage paddle, generally manufacturing half in the manufacturing process of multi-stage paddle, forming half multi-stage paddle 10, then carrying out spraying treatment to the inner side of half multi-stage paddle 10 to reach the purpose of rust and corrosion prevention, please refer to Figure 3 , the half multi-stage paddle 10 is formed by cutting along the shaft of multi-stage paddle 10, including arc-shaped shell 1001 and the plurality of paddles 1002 formed in the arc-shaped shell 1001, further including the shaft fixing seat 1003 fixed on one of the plurality of paddles 1002, two half multi-stage paddles 10 butt joint to form the whole structure of the multi-stage paddle, therefore, the part that needs to be butt joint of two half multi-stage paddles 10 cannot be sprayed during rust and corrosion prevention treatment, therefore the utility model provides a spraying auxiliary device for multi-stage paddle, as follows:

[0031] Please refer to Figures 1-6The utility model discloses an embodiment of a kind of spraying auxiliary devices for multistage paddle, for half multistage paddle 10 non-spraying area shielding, including outer ring shielding piece and shaft fixed seat shielding piece;

[0032] Wherein, the outer ring shielding piece is used for blocking and shielding the outer ring and the section of the arc-shaped shell 1001, and the shaft fixed seat shielding piece is wrapped around the axial ends of the shaft fixed seat 1003 and shields the section of the shaft fixed seat 1003.

[0033] In the embodiment, the outer ring shielding piece and the shaft fixed seat shielding piece are arranged to effectively shield the butt joint part of the half multistage paddle 10, effectively solving the problem that the processing procedure is complicated after the existing half multistage paddle 10 is fully sprayed and then the butt joint part is cleaned, and effectively improving the production efficiency of the multistage paddle.

[0034] Further, please refer to Figure 1 、 Figure 2 、 Figure 5 and Figure 6 , the outer ring shielding piece includes a shielding seat 1, two symmetrically arranged upper baffles 2, and two symmetrically arranged side baffles 4, wherein the shielding seat 1 is formed with an arc-shaped groove 101 for placing the arc-shaped shell 1001; the upper baffles 2 are detachably installed on the shielding seat 1 and are used for shielding the section of the arc-shaped shell 1001; and the two side baffles 4 are fixedly installed at the two ends of the shielding seat 1 and are used for positioning the two ends of the arc-shaped shell 1001.

[0035] In one embodiment, the upper baffles 2 are fixed to the shielding seat 1 by at least two screws 3, which are convenient to disassemble, and in specific use, only one upper baffle 2 needs to be removed to place the half multistage paddle 10 in the arc-shaped groove 101, which is convenient to install, and the two side baffles 4 can remain in the fixed state with the shielding seat 1 without affecting the placement of the half multistage paddle 10, and at the same time, after the half multistage paddle 10 is placed in the arc-shaped groove 101, the two ends of the half multistage paddle 10 abut against the arc-shaped groove 101.

[0036] In the embodiment, the upper baffles 2 extend into the arc-shaped groove 101 along the width direction thereof to form a shielding position 201, the side baffles 4 are formed with arc-shaped notches, the inner arc radius of the arc-shaped notches is smaller than the inner arc radius of the arc-shaped groove 101, and the intersection of the side baffles 4 and the arc-shaped groove 101 forms a positioning portion 401.

[0037] The shielding position 201 can be in abutting state with the tangent surface of the arc-shaped shell 1001, thereby shielding the tangent surface of the arc-shaped shell 1001, preventing the spraying liquid from contacting the tangent surface of the arc-shaped shell 1001 during the spraying process; the positioning part 401 can be in abutting state with the two end parts of the arc-shaped shell 1001, thereby achieving effective positioning of the arc-shaped shell 1001, preventing the arc-shaped shell 1001 from being deviated when placed in the arc-shaped groove 101, so that the tangent surface of the arc-shaped shell 1001 cannot be fully shielded, thereby affecting the connection of the two half multi-stage blades 10.

[0038] Further, referring to Figures 1-4 The shaft fixing seat shielding member comprises a first plug cover 5 and a second plug cover 7 clamped on the axial two ends of the shaft fixing seat 1003, and an arc-shaped baffle 6 is arranged between the first plug cover 5 and the second plug cover 7, wherein a bolt 9 is fixed on the first plug cover 5, a through hole 701 is formed on the second plug cover 7 for the bolt 9 to pass through, and the bolt 9 passes through the through hole 701 and clamps the first plug cover 5 and the second plug cover 7 on the axial two ends of the shaft fixing seat 1003 through a nut 8.

[0039] In the embodiment, the arc-shaped baffle 6 mainly achieves effective shielding of the tangent surface of the shaft fixing seat 1003, and the first plug cover 5 and the second plug cover 7 are used for clamping the arc-shaped baffle 6, thereby preventing the arc-shaped baffle 6 from falling off during the spraying process.

[0040] In one embodiment, in order to prevent the arc-shaped baffle 6 from being deviated, arc-shaped protrusions are formed on the opposite surfaces of the first plug cover 5 and the second plug cover 7, and arc-shaped clamping grooves are formed on the two sides of the arc-shaped baffle 6 and are matched with the arc-shaped protrusions, thereby achieving automatic positioning and fixing of the arc-shaped baffle 6 after the first plug cover 5 and the second plug cover 7 are clamped on the shaft fixing seat 1003.

[0041] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0042] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A spraying auxiliary device for multi-stage blades, used for shielding non-spraying areas of semi-multi-stage blades (10), comprising an arc-shaped shell (1001) and a plurality of groups of blades (1002) formed in the arc-shaped shell (1001), and further comprising a shaft fixing seat (1003) fixed on one of the groups of blades (1002), characterized in that, The application relates to a sealing device for an arc-shaped shell (1001) of a motor. The sealing device comprises: An outer ring shielding part for clamping and shielding the outer ring and the cutting surface of the arc-shaped shell (1001); 2. A spray assist device for a multi-stage paddle according to claim 1, wherein, A shaft fixing seat shielding part wrapped around the axial two ends of the shaft fixing seat (1003) and shielding the cutting surface of the shaft fixing seat (1003). The outer ring shielding part comprises: A shielding seat (1) formed with an arc-shaped slot (101) for placing the arc-shaped shell (1001); Two symmetrically arranged upper baffles (2) which are detachably installed on the shielding seat (1) and used for shielding the cutting surface of the arc-shaped shell (1001); 3. A spray assist device for a multi-stage paddle according to claim 2, wherein, Two symmetrically arranged side baffles (4) fixedly installed at the two ends of the shielding seat (1) and used for positioning the two ends of the arc-shaped shell (1001).

4. A spray assist device for a multi-stage paddle according to claim 2 or 3, wherein, The upper baffles (2) are fixed to the shielding seat (1) through at least two screws (3).

5. A spray assist device for a multi-stage paddle according to claim 2, wherein, The upper baffles (2) extend into the arc-shaped slot (101) along the width direction of the upper baffles (2) to form shielding positions (201).

6. A spray assist device for a multi-stage paddle according to claim 1, wherein, The side baffles (4) are formed with arc-shaped notches, the inner arc radius of the arc-shaped notches is smaller than the inner arc radius of the arc-shaped slot (101), and the side baffles (4) and the arc-shaped slot (101) form positioning portions (401) at the intersections. The shaft fixing seat shielding part comprises:

7. A spray assist device for a multi-stage paddle according to claim 6, wherein, A first plug cover (5) and a second plug cover (7) clamped at the axial two ends of the shaft fixing seat (1003), and an arc-shaped baffle (6) arranged between the first plug cover (5) and the second plug cover (7). A bolt (9) is fixed to the first plug cover (5), the second plug cover (7) is formed with a through hole (701) for the bolt (9) to penetrate, the bolt (9) penetrates through the through hole (701) and clamps the first plug cover (5) and the second plug cover (7) at the two ends of the shaft fixing seat (1003) through a nut (8).

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