CN112192479A

CN112192479A - Marine diesel oil pipe manufacturing clamp

Info

Publication number: CN112192479A
Application number: CN202011189751.4A
Authority: CN
Inventors: 邓先锋; 李寅; 沈久花; 单伟峰; 查正玲
Original assignee: Anqing CSSC Diesel Engine Co Ltd
Current assignee: Anqing CSSC Diesel Engine Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-01-08

Abstract

The invention discloses a marine diesel engine oil pipe manufacturing clamp which comprises a lower bottom plate and an upper bottom plate, wherein a pipe falling groove is arranged on the lower bottom plate, the upper bottom plate is arranged above the lower bottom plate through a support frame, a through hole is formed in the upper bottom plate, a plurality of sliding seats are arranged around the through hole, each sliding seat is movably provided with a sliding rod, the inner end of each sliding rod faces to the central position of the through hole, and the inner end is provided with a clamping plate, the upper bottom plate is provided with L-shaped plates and linkage plates, the number of the L-shaped plates is the same as that of the sliding rods, the L-shaped plates are movably arranged around the through holes through rotating shafts, the linkage plates movably connect the adjacent L-shaped plates through the rotating shafts, the linkage plates are movably connected with the outer end of the sliding rod in a one-to-one correspondence mode, the upper base plate is further provided with a horizontal rotating seat, a telescopic driving piece is installed on the horizontal rotating seat, and the output end of the telescopic driving piece is movably connected with one linkage plate through a rotating shaft. This anchor clamps only adopt a driving piece, need not a plurality of driving pieces and mutually support, avoided the cooperation error, and saved the electric energy.

Description

Marine diesel oil pipe manufacturing clamp

Technical Field

The invention relates to the technical field of marine diesel engines, in particular to a clamp for manufacturing a marine diesel engine oil pipe.

Background

A marine diesel engine, a full name marine diesel engine, is an engine which obtains energy by burning diesel oil and converts chemical energy into mechanical energy, and the engine is an active power device of the current ship. The specific working principle of the marine diesel engine is as follows: the combustion gas is arranged in the cylinder for combustion, and then the reciprocating motion of the piston is driven through the change of the air pressure in the cylinder, so that the propeller in the ship is driven to move, and the purpose of driving the ship is achieved.

The high-pressure oil pipe is an important part in the diesel engine, and the high-pressure oil pipe refers to a cold-drawn seamless steel pipe for manufacturing a high-pressure pipe of an injection system of the diesel engine. The high-pressure oil pipe needs to use a special clamp in the manufacturing process so as to fix and process the pipe body, such as end lathe processing. However, the existing oil pipe clamp needs to use a plurality of driving parts, the matching requirement among the driving parts is high, the positioning deviation is easy to occur, and the electric energy loss is large; in addition, the existing clamp has low automation degree and wastes time and labor in operation.

Disclosure of Invention

The invention aims to provide a marine diesel engine oil pipe manufacturing clamp, which overcomes the defects that a plurality of driving parts are needed in the existing oil pipe clamp, positioning deviation is easy to occur, electric energy loss is large, operation is time-consuming and labor-consuming, and the like.

The invention realizes the purpose through the following technical scheme:

a marine diesel oil pipe manufacturing clamp comprises a lower base plate and an upper base plate, wherein a pipe dropping groove is formed in the lower base plate, the upper base plate is installed above the lower base plate through a support frame, an opening is formed in the upper base plate and is located right above the pipe dropping groove, a plurality of sliding seats are arranged around the opening, a sliding rod is movably arranged on each sliding seat, the inner end of each sliding rod faces the central position of the opening, clamping plates are arranged at the inner ends of the sliding rods, L-shaped plates and linkage plates which are the same as the sliding rods in number are arranged on the upper base plate, the L-shaped plates are movably installed around the opening through rotating shafts, the linkage plates movably connect adjacent L-shaped plates through rotating shafts, the linkage plates are movably connected with the outer ends of the sliding rods in a one-to-one correspondence manner, horizontal rotating seats are further arranged on the upper base plate, and telescopic driving pieces are installed on, the output end of the telescopic driving piece is movably connected with one of the linkage plates through a rotating shaft.

The improvement is that the opening is circular, the slide bar has four, and four slide bar symmetric distribution are in the different position of opening, and all follow the radial setting of opening.

The further improvement is that the clamping plate is arc-shaped, and the central angle of the arc is 60 degrees.

The improvement is that the inner arc surface of the clamping plate is coated with an anti-slip layer.

The further improvement lies in that the right angle of L template is outwards, and the L template provides two free ends, respectively with the interlock board swing joint of corresponding side, when one of them interlock board of flexible driving piece drive removed, other interlock boards moved under the drive of L template synchronous motion.

The improved structure of the automobile seat is characterized in that a sliding groove is formed in the bottom surface of the linkage plate along the length direction of the linkage plate, and a protruding column is arranged at the outer end of the sliding rod and movably connected into the sliding groove.

The further improvement lies in that the telescopic driving piece is a cylinder or an electric telescopic rod.

The further improvement lies in that the support frame is a telescopic adjustable support frame.

The invention has the beneficial effects that: the clamp only adopts one driving piece, and a plurality of driving pieces are not required to be matched with each other, so that matching errors are avoided, and electric energy is saved; in addition, the clamp is convenient to operate, automatic centering of the oil pipe can be realized through multi-directional synchronous clamping, and the clamping stability is improved; the clamp can be suitable for oil pipes with different lengths and different outer diameters.

Drawings

FIG. 1 is a side view of a portion of the structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic view of a slide bar and its connection structure;

FIG. 4 is a state diagram of the present invention when clamping a fixed tubing;

in the figure: 1. a lower base plate; 2. an upper base plate; 3. a pipe falling groove; 4. a support frame; 5. a port; 6. a sliding seat; 7. a slide bar; 8. a splint; 9. an L-shaped plate; 10. a linkage plate; 11. a rotating shaft; 12. a horizontal rotating base; 13. a telescopic driving member; 14. a chute; 15. a protruding column; 16. and (4) an oil pipe.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Referring to fig. 1 to 3, a marine diesel oil pipe manufacturing fixture comprises a lower base plate 1 and an upper base plate 2, wherein a pipe dropping groove 3 is formed in the lower base plate 1, the pipe dropping groove 3 is provided with a groove body with a flat bottom, the size of the groove body is larger than the size of the cross section of an oil pipe, the upper base plate 2 is installed above the lower base plate 1 through a support frame 4, a through hole 5 is formed in the upper base plate 2, the through hole 5 is located right above the pipe dropping groove 3, a plurality of sliding seats 6 are arranged around the through hole 5, each sliding seat 6 is movably provided with a sliding rod 7, the inner end of each sliding rod 7 faces the central position of the through hole 5, the sliding rods 7 can move outwards or inwards along the sliding seats 6, a clamping plate 8 is arranged at the inner end of each sliding rod 7, the upper base plate 2 is provided with L-shaped plates 9 and linkage plates 10 which are the same as the sliding rods 7 in number, the L-shaped plates 9 are movably installed around the sliding rods, all the L-shaped plates 9 and the interlocking plates 10 form a polygonal closed structure, so that all the interlocking plates 10 can play an interlocking effect, the interlocking plates 10 are movably connected with the outer end heads of the sliding rods 7 in a one-to-one correspondence manner, namely the interlocking plates 10 can drive the sliding rods 7 to move outwards or inwards, and meanwhile, the connecting positions of the sliding rods 7 on the interlocking plates 10 can move; still be equipped with horizontal swivel base 12 on the upper plate 2, install flexible driving piece 13 on the horizontal swivel base 12, flexible driving piece 13 accessible horizontal swivel base 12 carries out the level and rotates, and flexible driving piece 13's output is through pivot 11 and one of them interlock board 10 swing joint.

In the invention, the right angle of the L-shaped plate 9 faces outwards, the L-shaped plate 9 provides two free ends which are respectively movably connected with the linkage plates 10 on the corresponding sides, when the telescopic driving piece 13 drives one of the linkage plates 10 to move, the other linkage plates 10 are driven by the L-shaped plate 9 to synchronously move, thereby realizing that a single driving piece drives all the clamping plates 8 to work, realizing strict synchronism and completely avoiding the phenomenon of matching errors. In addition, the bottom surface of the interlocking plate 10 is formed with a sliding groove 14 along the length direction thereof, the outer end of the sliding rod 7 is provided with a protruding column 15, and the protruding column 15 is movably connected in the sliding groove 14.

In the initial state, as shown in fig. 2, two edges of the L-shaped plate 9 are perpendicular to the coupling plates 10 on the corresponding sides, and the coupling plates 10 are located at the farthest positions from the through openings 5, so that the clamping plate 8 maintains the expanded state. As shown in fig. 4, when the clamp is used, firstly, the oil pipe 16 passes through the through hole 5, the bottom end of the oil pipe 16 is placed in the pipe dropping groove 3, then the telescopic driving part 13 is controlled to contract to drive the linkage plate 10 connected with the telescopic driving part to move upwards (in the direction shown in the figure, the same direction is used below the same direction), under the action of the L-shaped plate 9, the linkage plate 10 moves rightwards at the same time, so that the sliding rod 7 connected with the linkage plate is driven to move inwards along the sliding seat 6, the protruding column 15 moves for a certain distance along the sliding groove 14 during movement, and the inward movement of the sliding rod 7 enables the clamping plate 8 to clamp inwards; correspondingly, the interlock board 10 that is located the upside can move to lower right direction, and the interlock board 10 that is located the right side can move to lower left direction, and the interlock board 10 that is located the downside can move to upper left direction, and all splint 8 are all moved centripetally simultaneously, wrap up oil pipe 16 pipe wall from four directions and press from both sides tightly, drop oil pipe 16 extrusion to the central point of opening 5 and put, can't remove, and it is fixed to accomplish the centre gripping. Wherein, the specific telescopic amount of the telescopic driving member 13 can be adjusted according to the outer diameter of the oil pipe 16, and the telescopic driving member 13 can be automatically controlled by a controller.

In the invention, the through opening 5 is circular, four sliding rods 7 are arranged, the four sliding rods 7 are symmetrically distributed in different directions of the through opening 5 and are all arranged along the radial direction of the through opening 5, the sliding rods 7 can move inwards or outwards in the radial direction, when the sliding rods 7 move inwards, the distance between the clamping plates 8 is reduced, and the distance from the center of a circle is smaller, thereby realizing the clamping effect.

In addition, the clamping plate 8 is arc-shaped, the central angle of the arc is 60 degrees, the arc-shaped clamping plate 8 can be stably attached to the pipe wall of the oil pipe, and the length of the clamping plate 8 is not less than 10cm, so that after the clamping plate 8 is attached to the pipe wall of the oil pipe, the oil pipe can be prevented from being inclined laterally by a large pressing surface. Particularly, the inner side cambered surface of the clamping plate 8 is coated with an anti-slip layer (not shown in the figure), so that the anti-slip layer can improve the clamping effect and prevent the oil pipe from sliding during processing.

In the invention, the telescopic driving piece 13 is a cylinder or an electric telescopic rod, and can be selected according to requirements. In addition, the support frame 4 is a telescopic adjusting support frame, for example, an electric telescopic support, and the height of the upper base plate 2 can be adjusted according to the length of the oil pipe, so that the clamping and fixing position is more reasonable.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a marine diesel oil pipe manufacturing jig which characterized in that: comprises a lower bottom plate (1) and an upper bottom plate (2), wherein a pipe dropping groove (3) is arranged on the lower bottom plate (1), the upper bottom plate (2) is arranged above the lower bottom plate (1) through a support frame (4), a through opening (5) is formed in the upper bottom plate (2), the through opening (5) is positioned right above the pipe dropping groove (3), a plurality of sliding seats (6) are arranged around the through opening (5), each sliding seat (6) is movably provided with a sliding rod (7), the inner end of each sliding rod (7) faces to the central position of the through opening (5), a clamping plate (8) is arranged at the inner end of each sliding rod (7), the upper bottom plate (2) is provided with L-shaped plates (9) and linkage plates (10) which are the same with the sliding rods (7) in quantity, the L-shaped plates (9) are movably arranged around the through a rotating shaft (11), and the linkage plates (10) movably connect adjacent L-shaped plates (9) through the rotating shaft (11), and interlock board (10) one-to-one and slide bar (7) outer end swing joint, still be equipped with horizontal rotating seat (12) on upper plate (2), install flexible driving piece (13) on horizontal rotating seat (12), the output of flexible driving piece (13) is through pivot (11) and one of them interlock board (10) swing joint.

2. The marine diesel engine oil pipe manufacturing jig of claim 1, wherein: opening (5) are circular, slide bar (7) have four, and four slide bar (7) symmetric distribution are in the different position of opening (5), and all follow the radial setting of opening (5).

3. The marine diesel engine oil pipe manufacturing jig of claim 1, wherein: the clamping plate (8) is arc-shaped, and the central angle subtended by the arc is 60 degrees.

4. The marine diesel engine oil pipe manufacturing jig of claim 1, wherein: the inner side cambered surface of the clamping plate (8) is coated with an anti-slip layer.

5. The marine diesel engine oil pipe manufacturing jig of claim 1, wherein: the right angle of L template (9) is outwards, and L template (9) provide two free ends, respectively with interlock board (10) swing joint of corresponding side, when flexible driving piece (13) drive one of them interlock board (10) and remove, other interlock board (10) synchronous motion under the drive of L template (9).

6. The marine diesel engine oil pipe manufacturing jig of claim 1, wherein: the bottom surface of the linkage plate (10) is provided with a sliding groove (14) along the length direction, the outer end head of the sliding rod (7) is provided with a protruding column (15), and the protruding column (15) is movably connected in the sliding groove (14).

7. The marine diesel engine oil pipe manufacturing jig of claim 1, wherein: the telescopic driving piece (13) is a cylinder or an electric telescopic rod.

8. The marine diesel engine oil pipe manufacturing jig of claim 1, wherein: the support frame (4) is a telescopic adjusting support frame.