Pipeline connecting structure of luffing mechanism

Abstract

The invention relates to the field of ship building and maintenance, and discloses a luffing mechanism pipeline connecting structure which comprises a first luffing pipeline, a second luffing pipeline, a third luffing pipeline, a fourth luffing pipeline, a first pipeline support, a second pipeline support and an arm support pipeline. The variable-amplitude pipeline II and the pipeline bracket I are mounted on the rotary column; the two ends of the third variable-amplitude pipeline are connected with the first variable-amplitude pipeline and the second variable-amplitude pipeline respectively, the fourth variable-amplitude pipeline is used for connecting the second variable-amplitude pipeline and an arm frame pipeline, and the arm frame pipeline is fixed to an arm frame; a rotary column is installed on the side face of the upper portion of the base, and one end of the arm frame is hinged to the rotary column. According to the invention, the phenomena of pipeline pulling, extrusion, accumulation and mess in the variable-amplitude ascending and descending and variable-amplitude rotation processes of the dock wall operation vehicle are eliminated, the stability of the dock wall operation vehicle in the variable-amplitude process is ensured, and the damage of external load impact force to products is avoided.

Description

Technical Field

[0001] The present invention relates to the field of ship construction and maintenance, and more specifically, to a pipe connection structure of a luffing mechanism. Background Art

[0002] For a long time, manual work has hindered the improvement of shipbuilding and dock repair efficiency and the shortening of dock repair cycle. In shipbuilding and dock repair projects, rust removal and painting occupy a very important position. The efficiency and quality of rust removal and painting directly affect the quality and cycle of dock repair. In recent years, high-pressure water cleaning rust removal technology and high-pressure painting new process technology have been widely used in ship dock repair projects. Dock repair equipment has higher and higher requirements for operation safety, automation level, reduction of labor intensity of staff, and operation efficiency.

[0003] At present, the commonly used connection method of the boom mechanism pipeline of the dock wall operation vehicle is relatively simple, that is, the boom pipeline and the boom pipeline are directly connected through a long hose. The pipeline is very messy. During use, the hose is squeezed, pulled, and even deformed, leaked, and the hose is broken, which poses a great danger to the construction workers. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a pipeline connection structure of a luffing mechanism.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pipeline connection structure of a luffing mechanism, comprising: a luffing pipeline 1, a luffing pipeline 2, a luffing pipeline 3, a luffing pipeline 4, a pipeline bracket 1, a pipeline bracket 2, and a boom pipeline, wherein the luffing pipeline 1 and the pipeline bracket 2 are installed on a base, and the luffing pipeline 2 and the pipeline bracket 1 are installed on a rotating column; the two ends of the luffing pipeline 3 are respectively connected to the luffing pipeline 1 and the luffing pipeline 2, the luffing pipeline 4 is used for connecting the luffing pipeline 2 and the boom pipeline, and the boom pipeline is fixed on the boom; a rotating column is installed on the side of the upper part of the base, and one end of the boom is hinged on the rotating column.

[0006] As a preferred technical solution of the present invention, support legs are arranged at the lower part of the base; a main platform is arranged at the top of the base, and a slewing mechanism and a power station are arranged on the main platform; a working bucket is arranged at the end of the arm away from the rotating column.

[0007] As a preferred technical solution of the present invention, the luffing pipeline 1, the luffing pipeline 2 and the boom pipeline are fixed pipelines, which are made of stainless steel pipes.

[0008] As a preferred technical solution of the present invention, the third and fourth amplitude-changing pipelines are variable pipelines, which are made of high-pressure hoses.

[0009] As a preferred technical solution of the present invention, the center of the pipeline support one coincides with the center of the rotating column, the center of the pipeline support two coincides with the center of the base; the centers of the pipeline support one and the pipeline support two coincide with each other.

[0010] As a preferred technical solution of the present invention, a luffing cylinder and a balancing cylinder are hinged on the side of the rotating column, and the output ends of the luffing cylinder and the balancing cylinder are hinged to the boom.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention eliminates the phenomenon of pipeline pulling, squeezing, accumulation and disorder in the process of the dock wall operation vehicle rising, falling and rotating, which not only ensures the stability of the dock wall operation vehicle in the process of luffing, but also ensures that the external load impact force does not damage the product, ensures the safety of the staff's operation, and greatly improves the work efficiency and operation safety of ship dock repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention;

[0013] Figure 2 A top view of the present invention;

[0014] Figure 3 It is the front view of the present invention;

[0015] Figure 4 This is a structural schematic diagram of a pipeline support of the present invention;

[0016] Figure 5 This is a schematic diagram of the structure of the second pipeline support of the present invention;

[0017] In the figure: 1. luffing pipeline one; 2. luffing pipeline two; 3. luffing pipeline three; 4. luffing pipeline four; 5. pipeline bracket one; 6. luffing cylinder; 7. rotating column; 8. balancing cylinder; 9. boom pipeline; 10. boom; 11. main platform; 12. slewing mechanism; 13. power station; 14. supporting leg; 15. pipeline bracket two; 16. base; 17. working bucket. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figures 1 to 4As shown, the present invention provides a pipeline connection structure of a luffing mechanism, comprising: an luffing pipeline 1, an luffing pipeline 2, an luffing pipeline 3, an luffing pipeline 4, a pipeline support 1, a pipeline support 2, and a boom pipeline 9. The luffing pipeline 1 and the pipeline support 2 15 are installed on a base 16, and the luffing pipeline 2 and the pipeline support 1 5 are installed on a rotating column 7; the two ends of the luffing pipeline 3 are respectively connected to the luffing pipeline 1 and the luffing pipeline 2, the luffing pipeline 4 4 ​​is used for connecting the luffing pipeline 2 and the boom pipeline 9, and the boom pipeline 9 is fixed on the boom 10; a rotating column 7 is installed on the side of the upper part of the base 16, and one end of the boom 10 is hinged on the rotating column 7.

[0020] The luffing pipeline 1, the luffing pipeline 2 and the boom pipeline 9 are fixed pipelines, usually stainless steel pipes. The luffing pipeline 1 is fixed on the base 16, the luffing pipeline 2 is fixed on the rotating column 7, and the boom pipeline 9 is fixed on the boom 10. The luffing pipeline 3 and the luffing pipeline 4 are variable pipelines, usually high-pressure hoses. The size and length of the hoses are determined by factors such as the luffing amplitude, the rotation angle, the bending radius of the hose, the maximum luffing speed, and the maximum pressure bearing. The design and selection of this hose is particularly important and directly affects the performance of the system.

[0021] Pipe support 1 5 and pipe support 2 15 are important connecting components for connecting the variable amplitude pipeline 1 1 and the variable amplitude pipeline 2 2 through the variable amplitude pipeline 3. Pipe support 1 5 is fixed on the rotating column 7, and the center of pipe support 1 5 must coincide with the center of the rotating column 7; pipe support 2 15 is fixed on the base 16, and the center of pipe support 2 15 must coincide with the center of the base 16; the center of pipe support 1 5 must coincide with the center of pipe support 2 15 to ensure that the boom 10 is free from pulling, squeezing and the like in any angle of the variable amplitude.

[0022] The above-mentioned method of connecting the pipes of the boom mechanism includes: when using a dock wall work vehicle for rust removal and paint touch-up, the workers are transported to the work position according to the working conditions, and during the boom 10 boom movement, the boom pipes are kept moving in the center area at all times according to the different boom angles of the boom 10.

[0023] The side of the rotating column 7 is hinged with a luffing cylinder 6 and a balancing cylinder 8 , and the output ends of the luffing cylinder 6 and the balancing cylinder 8 are hinged to the boom 10 .

[0024] During the process of the boom 10 rising and changing its amplitude, the piston rod of the boom cylinder 6 gradually extends until the boom 10 rises to 70°. At this time, the boom pipe 3 3 slowly rises with the boom 10, and the boom pipe 4 4 ​​also slowly extends with the boom 10. At this time, the boom pipe 3 3 and the boom pipe 4 4 ​​always remain in the bending diameter change range, and are always active in the center area, ensuring the safety of the boom pipe. Similarly, during the process of the boom 10 falling and changing its amplitude, the piston rod of the boom cylinder 6 gradually retracts until the boom 10 falls to -20°. At this time, the boom pipe 3 3 slowly falls with the boom 10, and the boom pipe 4 4 ​​also slowly shrinks with the boom 10. At this time, the boom pipe 3 3 and the boom pipe 4 4 ​​always remain in the bending diameter change range, and are always active in the center area, ensuring the safety of the boom pipe and the safety of the operators.

[0025] A supporting leg 14 is provided at the lower part of the base 16 ; a main platform 11 is provided at the top of the base 16 , and a slewing mechanism 12 and a power station 13 are provided on the main platform 11 ; a working bucket 17 is provided at one end of the arm 10 away from the rotating column 7 .

[0026] During the luffing and slewing process of the boom 10, the slewing mechanism 12 can rotate 90° to the left or right from the center of the rotating column 7. When the boom 10 is at any angle (-20° to 70°), the luffing pipeline 1, the luffing pipeline 2 and the luffing pipeline 4 are in an unchanged state, the pipeline support 2 15 is unchanged at the center of the base 16 and the rotating column 7, the luffing pipeline 3 3 and the pipeline support 1 5 rotate to the left or right with the boom 10 with the rotating column 7 as the center. During the rotation process, the luffing pipeline 3 3 is always active within the central area, avoiding the pulling and squeezing of the pipeline and ensuring the safety of the operation.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe connection structure of a luffing mechanism, characterized in that: The invention comprises: a luffing pipeline 1 (1), a luffing pipeline 2 (2), a luffing pipeline 3 (3), a luffing pipeline 4 (4), a pipeline support 1 (5), a pipeline support 2 (15), and a boom pipeline (9); the luffing pipeline 1 (1) and the pipeline support 2 (15) are mounted on a base (16); the luffing pipeline 2 (2) and the pipeline support 1 (5) are mounted on a rotating column (7); the two ends of the luffing pipeline 3 (3) are respectively connected to the luffing pipeline 1 (1) and the luffing pipeline 2 (2); the luffing pipeline 4 (4) is used for connecting the luffing pipeline 2 (2) and the boom pipeline (9); the boom pipeline (9) is fixed on the boom (10); a rotating column (7) is mounted on the side surface of the upper part of the base (16); one end of the boom (10) is hinged on the rotating column (7).

2. The pipe connection structure of the luffing mechanism according to claim 1, characterized in that: The base (16) is provided with supporting legs (14) at the bottom; the base (16) is provided with a main platform (11) at the top, and a slewing mechanism (12) and a power station (13) are provided on the main platform (11); and a working bucket (17) is provided at one end of the arm (10) away from the rotating column (7).

3. The pipe connection structure of the luffing mechanism according to claim 1, characterized in that: The luffing pipeline one (1), the luffing pipeline two (2) and the boom pipeline (9) are fixed pipelines and are made of stainless steel pipes.

4. The pipe connection structure of the luffing mechanism according to claim 1, characterized in that: The variable amplitude pipeline three (3) and variable amplitude pipeline four (4) are variable pipelines, which are made of high-pressure hoses.

5. The pipe connection structure of the luffing mechanism according to claim 1, characterized in that: The center of the pipeline support 1 (5) coincides with the center of the rotating column (7), and the center of the pipeline support 2 (15) coincides with the center of the base (16); the centers of the pipeline support 1 (5) and the pipeline support 2 (15) coincide with each other.

6. The pipe connection structure of the luffing mechanism according to claim 1, characterized in that: The side of the rotating column (7) is hingedly connected with a variable-length oil cylinder (6) and a balancing oil cylinder (8), and the output ends of the variable-length oil cylinder (6) and the balancing oil cylinder (8) are hingedly connected to the boom (10).

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