CN113482822A - Marine diesel engine fuel test spraying device - Google Patents
Marine diesel engine fuel test spraying device Download PDFInfo
- Publication number
- CN113482822A CN113482822A CN202110757025.6A CN202110757025A CN113482822A CN 113482822 A CN113482822 A CN 113482822A CN 202110757025 A CN202110757025 A CN 202110757025A CN 113482822 A CN113482822 A CN 113482822A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- wall
- diesel engine
- clamping blocks
- marine diesel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
Abstract
The invention relates to the technical field of diesel engines, and discloses a fuel test spraying device for a marine diesel engine, which comprises an installation plate and a nozzle, wherein a fixed groove is formed in the center of the inside of the installation plate, a plurality of clamping blocks are uniformly arranged in the fixed groove, and the nozzle is inserted among the clamping blocks. The nozzle is inserted into the middle position of the fixed groove, then the wing plate and the embedded ring are controlled to descend, so that the nozzle can be clamped through the clamping blocks, when the embedded ring descends, the inner inclined plane of the inner wall of the embedded ring can push the outer inclined plane of the outer side of the clamping blocks, the deeper the embedded ring descends, the more the clamping blocks move inwards, and therefore the clamping blocks which are annularly arranged are close to each other, so that the nozzle can be tightly clamped, the position of the nozzle is fixed, and the nozzle is prevented from shaking due to the impact of liquid flowing.
Description
Technical Field
The invention relates to the technical field of diesel engines, in particular to a fuel test spraying device for a marine diesel engine.
Background
The marine diesel engine has high thermal efficiency, good economical efficiency, easy starting and great adaptability to various ships, and can be used as the main propulsion power of the ships soon after coming out. By the 50 s of the 20 th century, diesel engines almost completely replaced steam engines in newly constructed ships.
At present, when a nozzle of a marine diesel engine is subjected to an angle test, a bracket is generally used for fixing the nozzle, but in an actual test, the traditional bracket for fixing the nozzle still has certain defects, such as:
1. the traditional support is poor in fixing effect, the nozzle is easy to shake due to the impact of liquid flow in the test process, the nozzle is difficult to keep in a horizontal downward centering position, the measurement of the spraying angle is affected, particularly, when the nozzle shakes violently, an experimenter can hold the nozzle with hands, human factors are large, and data acquisition is not facilitated;
2. the traditional support cannot simulate the actual operation condition of the diesel engine, for example, a nozzle of the diesel engine has certain vibration and temperature when the diesel engine operates, but the traditional support cannot simulate the vibration of the diesel engine and cannot provide the operation temperature of the diesel engine;
3. the traditional bracket is labor-consuming in fixing the nozzle, and a fixing mechanism needs to be screwed by a spanner or other auxiliary instruments, so that the traditional bracket is very troublesome;
the Chinese patent publication number is: the invention of CN104483133B discloses a clamp for an angle test of an aircraft engine nozzle and a clamping method thereof, aiming at facilitating the angle test before nozzle assembly aiming at an inclined elbow nozzle without a horizontal reference, and adopting the technical scheme that: the spray box comprises a support arranged at the top of the spray box of the angular flow tester, wherein the support is of an angle type structure provided with an installation inclined plane and a bottom plane, an included angle is formed between the installation inclined plane and the bottom plane, the installation inclined plane is provided with a U-shaped groove convenient for a nozzle to pass through, the installation inclined plane is also provided with a positioning hole and a screw hole for installing a stud, the positioning hole is used for installing a cylindrical boss on the outer plane of the nozzle, and the bottom plane of the support is provided with an installation hole for installing a cylindrical nozzle spray head of the nozzle; a pressing plate is arranged on the mounting inclined plane of the bracket, the pressing plate is a buckling type pressing plate, a key groove convenient for adjusting the position of the pressing plate is formed in the pressing plate, the stud penetrates through the key groove to mount the pressing plate on the bracket, and the pressing plate is matched with the bracket to fix the nozzle;
although the above patent is also convenient for fixing the nozzle, the fixing effect is still poor, and the other problems proposed above are not solved;
based on this, we provide a spraying device for a marine diesel engine fuel test, and hopefully, the defects in the prior art are overcome.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the fuel oil test spraying device for the marine diesel engine, which has the advantages of good fixing effect, capability of simulating the shaking and the operating temperature of the diesel engine, labor saving and convenience in nozzle fixing.
(II) technical scheme
In order to realize the purposes of good fixing effect and capability of simulating the vibration and the running temperature of a diesel engine, the invention provides the following technical scheme: a fuel test spraying device for a marine diesel engine comprises a mounting plate and a nozzle, wherein a fixing groove is formed in the center of the inside of the mounting plate, a plurality of clamping blocks are uniformly arranged inside the fixing groove, and the nozzle is inserted among the clamping blocks;
and the driving mechanism is movably arranged on the inner wall of the fixing groove and is used for enabling the clamping blocks to approach each other so as to clamp the nozzle.
As a preferred technical scheme of the invention, an observation cylinder is fixedly arranged at the bottom of the mounting plate, the observation cylinder is made of transparent glass, a receiving disc is fixedly arranged at the bottom of the inner wall of the observation cylinder, and an oil return pipe is arranged at the center inside the receiving disc;
the bottom of mounting panel still fixed mounting have the heating ring, the heating ring is located the inside of observing a section of thick bamboo.
As a preferable technical scheme of the invention, the plurality of clamping blocks are arranged in a ring shape, and the nozzle is inserted in the center of the plurality of clamping blocks arranged in the ring shape.
As a preferable technical scheme of the invention, one side of the clamping blocks facing the nozzle is also provided with a buffer pad, and the outer wall of the buffer pad is a rough surface.
As a preferred technical scheme of the invention, one outward side of each of the plurality of clamping blocks is fixedly provided with a pull rod, the tail end of each pull rod is fixedly provided with a pressing plate, the pressing plates are movably arranged on the inner walls of the transverse grooves, and the transverse grooves are formed in the mounting plates.
As a preferred technical scheme of the invention, the outer wall of the pull rod is also sleeved with a return spring, and the return spring is fixedly connected between the outer wall of the pressure plate and the inner side wall of the transverse groove.
As a preferable technical scheme of the invention, the driving mechanism comprises an embedded ring and wing plates, wherein outer inclined planes are formed on outward sides of the clamping blocks, inner inclined planes are movably arranged on the outer wall of each outer inclined plane, the inner inclined planes are formed on the inner wall of the embedded ring, and the wing plates are fixedly mounted at the top of the outer wall of the embedded ring.
As a preferred technical scheme of the invention, the bearings are uniformly arranged in the wing plates, the inner walls of the bearings are fixedly provided with the rotating rods, the tops of the rotating rods are fixedly provided with the knobs, the bottoms of the rotating rods are fixedly provided with the screws, the screws are in threaded connection with the inner walls of the thread grooves, and the thread grooves are formed in the tops of the mounting plates.
On the basis of the technical scheme, in order to realize the purposes of labor saving and convenience when the nozzle is fixed, the invention also provides the following technical scheme: the mounting plate comprises a mounting plate and a mounting plate, wherein fixed boxes are fixedly mounted on two sides of the top of the mounting plate, movable grooves are formed in the opposite sides of the two fixed boxes, L-shaped rods are movably arranged in the movable grooves, rotating shafts are fixedly mounted at the bent parts of the L-shaped rods, and two ends of each rotating shaft are rotatably arranged on the inner walls of the movable grooves;
one end of the L-shaped rod is movably arranged at the top of the wing plate, a lead screw is movably arranged on the outer wall of the other end of the L-shaped rod, the lead screw is in threaded connection with the inner wall of a nut, and the nut is fixedly arranged in the fixing box;
and a plurality of supporting springs are uniformly arranged between the bottom of the wing plate and the top of the mounting plate.
As a preferred technical scheme of the invention, the L-shaped rod comprises a power arm and a resistance arm, and the rotating shaft is fixedly arranged at the joint of the power arm and the resistance arm;
the length of power arm is greater than the length of resistance arm, the power arm is with the terminal movable contact of lead screw, the resistance arm sets up the top at the pterygoid lamina.
(III) advantageous effects
Compared with the prior art, the invention provides a fuel test spraying device for a marine diesel engine, which has the following beneficial effects:
1. the fuel oil test spraying device for the marine diesel engine is characterized in that a nozzle is inserted into the middle position of a fixed groove, then a wing plate and an embedded ring are controlled to descend, so that the nozzle can be clamped through clamping blocks, when the embedded ring descends, an inner inclined plane of the inner wall of the embedded ring can push an outer inclined plane on the outer side of each clamping block, the deeper the embedded ring descends, the more the clamping blocks move inwards, and therefore a plurality of clamping blocks which are arranged in an annular mode are close to each other, so that the nozzle can be tightly clamped, the position of the nozzle is fixed, the nozzle is prevented from shaking due to the impact of liquid flowing, and the nozzle can be kept in a vertically downward centering position all the time;
because a plurality of clamping blocks which are annularly arranged are movable, the fuel test spraying device can be suitable for diesel nozzles of various specifications, has wider applicability, and realizes stable fixation of the nozzles of various specifications with lower design and processing cost.
2. The fuel oil test spraying device for the marine diesel engine is characterized in that when a plurality of clamping blocks which are arranged in an annular shape clamp a nozzle, the clamping blocks are in contact with the nozzle through the buffer cushion, and the outer wall of the buffer cushion is a rough surface, so that the nozzle can be fixed by utilizing the friction force of the buffer cushion even if the buffer cushion does not clamp the nozzle, thereby freely adjusting the clamping degree of the clamping blocks;
the oil mist sprayed by the nozzle is observed in the observation cylinder, the heating ring can heat the air in the observation cylinder in operation, the temperature of the diesel engine in actual operation can be simulated, the test result is more accurate, and the test under the actual working condition can be carried out at lower cost.
3. This experimental atomizer of marine diesel engine fuel, it can make the dwang rotatory to twist to move the knob, and the dwang is rotatory to drive the screw rod, and in the screw rod rotation gradually screw in thread groove, the screw rod drives pterygoid lamina and becket decline in the screw in thread groove gradually, thereby the becket decline alright be close to each other with the tight piece of clamp that makes a plurality of be the annular arrangement to press from both sides tight nozzle, control more convenience, improved the installation effectiveness greatly.
4. This marine diesel engine fuel test atomizer, it makes the lead screw stretch out from the screw to twist the lead screw, the lead screw stretches out and promotes L type pole and make L type pole rotatory, utilize its bottom can push down the pterygoid lamina when L type pole is rotatory, make pterygoid lamina and caulking ring descend, thereby it is close to each other and presss from both sides tight nozzle to make the tight piece of clamp that a plurality of is the annular range, because the length of L type pole power arm is greater than the length of resistance arm, so when using less power promotion power arm, the resistance arm just can push down the pterygoid lamina with great power, more laborsaving, need not twist the lead screw with the help of special instrument when pushing down the pterygoid lamina, just can make the abundant decline of pterygoid lamina with twisting the lead screw, firmly hold tightly the nozzle, it is more convenient to use, further improvement the installation effectiveness.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is an elevational, cross-sectional view of the overall structure of the present invention;
FIG. 4 is a cross-sectional view of the thimble portion of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;
FIG. 6 is a perspective view of a clamping block portion of the present invention;
FIG. 7 is a schematic view of the overall structure of the second embodiment of the present invention;
FIG. 8 is a sectional view of a portion of a fixing box according to a second embodiment of the present invention;
FIG. 9 is a schematic view of the second embodiment of the present invention showing the movement of the L-shaped lever;
fig. 10 is a perspective view of an L-shaped rod portion in a second embodiment of the present invention.
In the figure: 1. mounting a plate; 2. fixing grooves; 3. a nozzle; 4. a clamping block; 5. a cushion pad; 6. an outer bevel; 7. a pull rod; 8. pressing a plate; 9. a transverse groove; 10. a return spring; 11. an observation cylinder; 12. a heating ring; 13. a receiving tray; 14. an oil return pipe; 15. embedding a ring; 16. an inner bevel; 17. a wing plate; 18. a bearing; 19. rotating the rod; 20. a knob; 21. a screw; 22. a thread groove; 23. a support spring; 24. a fixing box; 25. a movable groove; 26. an L-shaped rod; 27. a rotating shaft; 28. a nut; 29. a screw rod; 30. a power arm; 31. a resistance arm.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
referring to fig. 1-6, a fuel test spraying device for a marine diesel engine comprises a mounting plate 1 and a nozzle 3, wherein a fixing groove 2 is formed in the center of the inside of the mounting plate 1, a plurality of clamping blocks 4 are uniformly arranged inside the fixing groove 2, and the nozzle 3 is inserted between the clamping blocks 4;
the driving mechanism is movably arranged on the inner wall of the fixed groove 2 and used for enabling the clamping blocks 4 to approach each other so as to clamp the nozzle 3, the driving mechanism comprises an embedded ring 15 and a wing plate 17, outer inclined planes 6 are formed on outward sides of the clamping blocks 4, inner inclined planes 16 are movably arranged on the outer walls of the outer inclined planes 6, the inner inclined planes 16 are formed on the inner wall of the embedded ring 15, and the wing plate 17 is fixedly arranged at the top of the outer wall of the embedded ring 15;
the nozzle 3 is inserted into the middle position of the fixed groove 2, then the wing plate 17 and the embedded ring 15 are controlled to descend, so that the nozzle 3 can be clamped through the clamping block 4, when the embedded ring 15 descends, the inner inclined surface 16 of the inner wall of the embedded ring can push the outer inclined surface 6 on the outer side of the clamping block 4, the deeper the embedded ring 15 descends, the more the clamping block 4 moves inwards, and therefore the clamping blocks 4 which are annularly arranged are close to each other, so that the nozzle 3 can be tightly clamped, the position of the nozzle 3 is fixed, the nozzle 3 is prevented from shaking due to the impact of liquid flowing, and the nozzle 3 can be kept in a vertically downward centering position all the time;
the clamping blocks 4 which are annularly arranged are movable, so that the fuel test spraying device can be suitable for diesel engine nozzles 3 of various specifications, has wider applicability, and realizes stable fixation of the nozzles 3 of various specifications with lower design and processing cost;
the bottom of the mounting plate 1 is fixedly provided with an observation cylinder 11, the observation cylinder 11 is made of transparent glass, so that the form of oil mist in the observation cylinder 11 can be observed conveniently, certainly, some special measuring instruments can be installed in the cylinder according to actual experiment requirements, the bottom of the inner wall of the observation cylinder 11 is fixedly provided with a receiving disc 13, an oil return pipe 14 is arranged at the center inside the receiving disc 13, and the oil mist is finally gathered in the receiving disc 13 and flows out through the oil return pipe 14, so that the diesel oil can be recycled conveniently;
the bottom of the mounting plate 1 is also fixedly provided with a heating ring 12, the heating ring 12 is positioned inside the observation cylinder 11, and the heating ring 12 can heat air in the observation cylinder 11 when in operation, so that the temperature of the diesel engine during actual operation can be simulated, the test result is more accurate, and the test under the actual working condition can be performed at lower cost;
the plurality of clamping blocks 4 are annularly arranged, the nozzle 3 is inserted in the center of the plurality of annularly arranged clamping blocks 4, and the plurality of annularly arranged clamping blocks 4 are close to each other, so that the nozzle 3 can be held tightly and the position of the nozzle 3 is firmly fixed;
the side of the clamping blocks 4 facing the nozzle 3 is further provided with a buffer pad 5, the outer wall of the buffer pad 5 is a rough surface, in the embodiment, the buffer pad 5 is made of composite rubber, when the clamping blocks 4 arranged in a ring shape clamp the nozzle 3, the clamping blocks are contacted with the nozzle 3 through the buffer pad 5, because the outer wall of the buffer pad 5 is a rough surface, the cushion pad 5 can fix the position of the nozzle 3 by the friction force of the cushion pad 5 even though the nozzle 3 is not clamped, therefore, the clamping degree of the clamping block 4 can be freely adjusted, when the clamping is loose, the nozzle 3 can shake due to the impact of liquid flow when working, the shake can be used as the shake of the diesel engine during the actual operation, the simulation is more vivid, the clamping degree of the clamping block 4 can be freely adjusted according to actual test requirements, namely the shaking amplitude of the nozzle 3 can be freely adjusted, so that the use is more convenient;
a pull rod 7 is fixedly installed on one outward side of each of the plurality of clamping blocks 4, a pressing plate 8 is fixedly installed at the tail end of each pull rod 7, each pressing plate 8 is movably arranged on the inner wall of each transverse groove 9, each transverse groove 9 is formed in the mounting plate 1, and when the plurality of clamping blocks 4 are pushed by the embedded rings 15 to move, the pull rods 7 and the pressing plates 8 slide in the transverse grooves 9 to play a role in guiding to a certain extent, so that the positions of the clamping blocks 4 can be located, and the clamping blocks 4 can move more stably;
the outer wall of the pull rod 7 is further sleeved with a reset spring 10, the reset spring 10 is fixedly connected between the outer wall of the pressing plate 8 and the inner side wall of the transverse groove 9, when the clamping block 4 is pushed by the embedded ring 15 to move, the clamping block 4 can compress the reset spring 10 through the pull rod 7 and the pressing plate 8, when the embedded ring 15 is separated from the fixing groove 2, the reset spring 10 loses extrusion and recovers deformation, the reset spring 10 recovers deformation to push the pressing plate 8 to move, and then the clamping blocks 4 are mutually opened to release clamping of the nozzle 3, so that the nozzle 3 can be conveniently taken out;
twist and move knob 20 and can make dwang 19 rotatory, dwang 19 is rotatory to drive screw rod 21 rotatory, and screw rod 21 is rotatory in screw thread groove 22 gradually, and screw rod 21 drives pterygoid lamina 17 and becket 15 decline in screw thread groove 22 gradually, thereby the becket 15 decline alright be close to each other with the tight piece 4 of clamp that makes a plurality of be the annular range to press from both sides tight nozzle 3, control more convenience, improved the installation effectiveness greatly.
Example two:
referring to fig. 7-10, on the basis of the first embodiment, the fixed boxes 24 are fixedly mounted on both sides of the top of the mounting plate 1, the movable slots 25 are formed on opposite sides of the two fixed boxes 24, the L-shaped rods 26 are movably disposed in the movable slots 25, the bent portions of the L-shaped rods 26 are fixedly mounted with the rotating shafts 27, and both ends of the rotating shafts 27 are rotatably disposed on the inner walls of the movable slots 25;
one end of the L-shaped rod 26 is movably arranged at the top of the wing plate 17, a screw rod 29 is movably arranged on the outer wall of the other end of the L-shaped rod 26, the screw rod 29 is in threaded connection with the inner wall of a nut 28, and the nut 28 is fixedly arranged inside the fixing box 24;
screwing the screw rod 29 to enable the screw rod 29 to extend out of the nut 28, enabling the screw rod 29 to extend out to push the L-shaped rod 26 to enable the L-shaped rod 26 to rotate, enabling the wing plate 17 to be pressed downwards by the bottom end of the L-shaped rod 26 when the L-shaped rod 26 rotates, enabling the wing plate 17 and the embedded ring 15 to descend, and enabling a plurality of clamping blocks 4 which are arranged in an annular mode to approach each other to clamp the nozzle 3;
a plurality of supporting springs 23 are uniformly arranged between the bottom of the wing plate 17 and the top of the mounting plate 1, so that the wing plate 17 can be conveniently reset, when the wing plate 17 is pressed down by the bottom end of the L-shaped rod 26, the supporting springs 23 are compressed, and when the bottom end of the L-shaped rod 26 is separated from the wing plate 17, the supporting springs 23 restore to be deformed and support the wing plate 17;
the L-shaped rod 26 comprises a power arm 30 and a resistance arm 31, the rotating shaft 27 is fixedly installed at the connecting position of the power arm 30 and the resistance arm 31, the length of the power arm 30 is larger than that of the resistance arm 31, the power arm 30 is movably contacted with the tail end of the screw 29, and the resistance arm 31 is arranged at the top of the wing plate 17;
because the length of the power arm 30 of the L-shaped rod 26 is greater than that of the resistance arm 31, when a small force is used for pushing the power arm 30, the resistance arm 31 can press the wing plate 17 with a large force, the labor is saved, the screw rod 29 is not required to be screwed by means of a special tool when the wing plate 17 is pressed, the wing plate 17 can be fully descended by screwing the screw rod 29, the nozzle 3 is firmly held, the use is more convenient, and the installation efficiency is further improved.
The working principle and the using process of the invention are as follows:
the nozzle 3 is inserted into the middle position of the fixed groove 2, then the wing plate 17 and the embedded ring 15 are controlled to descend, so that the nozzle 3 can be clamped through the clamping block 4, when the embedded ring 15 descends, the inner inclined surface 16 of the inner wall of the embedded ring can push the outer inclined surface 6 on the outer side of the clamping block 4, the deeper the embedded ring 15 descends, the more the clamping block 4 moves inwards, and therefore the clamping blocks 4 which are annularly arranged are close to each other, so that the nozzle 3 can be tightly clamped, the position of the nozzle 3 is fixed, the nozzle 3 is prevented from shaking due to the impact of liquid flowing, and the nozzle 3 can be kept in a vertically downward centering position all the time;
the clamping blocks 4 which are annularly arranged are movable, so that the fuel test spraying device can be suitable for diesel engine nozzles 3 of various specifications, has wider applicability, and realizes stable fixation of the nozzles 3 of various specifications with lower design and processing cost;
when a plurality of clamping blocks 4 which are arranged in an annular shape clamp the nozzle 3, the clamping blocks are in contact with the nozzle 3 through the buffer pads 5, and the outer walls of the buffer pads 5 are rough surfaces, so that the nozzle 3 can be fixed by utilizing the friction force of the buffer pads 5 even if the buffer pads 5 do not clamp the nozzle 3, and therefore, the clamping degree of the clamping blocks 4 can be freely adjusted, when the clamping is loose, the nozzle 3 can shake due to the impact of liquid flow during working, the shake can be used as the shake of a diesel engine during actual operation, the simulation is more vivid, the clamping degree of the clamping blocks 4 can be freely adjusted according to the actual test requirements, namely the shake amplitude of the nozzle 3 is freely adjusted, and the use is more convenient;
the oil mist sprayed by the nozzle 3 is observed in the observation cylinder 11, the heating ring 12 can heat the air in the observation cylinder 11 when running, so that the temperature of the diesel engine during actual running can be simulated, the test result is more accurate, and the test under the actual working condition can be carried out at lower cost;
the knob 20 is screwed to enable the rotating rod 19 to rotate, the rotating rod 19 rotates to drive the screw rod 21 to rotate, the screw rod 21 rotates to be gradually screwed into the thread groove 22, the screw rod 21 is gradually screwed into the thread groove 22 to drive the wing plate 17 and the embedded ring 15 to descend, and the embedded ring 15 descends, so that the plurality of clamping blocks 4 which are arranged in an annular mode can be close to each other to clamp the nozzle 3, the operation and control are more convenient, and the installation efficiency is greatly improved;
as shown in fig. 10, the screw 29 is screwed to extend the screw 29 from the nut 28, the screw 29 extends to push the L-shaped rod 26 to rotate the L-shaped rod 26, the wing plate 17 can be pressed down by the bottom end of the L-shaped rod 26 when the L-shaped rod 26 rotates, the wing plate 17 and the embedded ring 15 descend, and then the clamping blocks 4 arranged in a ring shape are close to each other to clamp the nozzle 3, because the length of the power arm 30 of the L-shaped rod 26 is greater than that of the resistance arm 31, when the power arm 30 is pushed by a small force, the resistance arm 31 can press the wing plate 17 by a large force, and the labor is saved, when the wing plate 17 is pressed down, the screw 29 is not required to be screwed by a special tool, the wing plate 17 can descend fully by screwing the screw 29 by hand, the nozzle 3 is clasped firmly, the use is more convenient, and the installation efficiency is further improved.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a marine diesel engine fuel test atomizer, includes mounting panel (1) and nozzle (3), its characterized in that: a fixing groove (2) is formed in the center of the inner part of the mounting plate (1), a plurality of clamping blocks (4) are uniformly arranged in the fixing groove (2), and the nozzle (3) is inserted among the clamping blocks (4);
the driving mechanism is movably arranged on the inner wall of the fixing groove (2) and is used for enabling the clamping blocks (4) to be close to each other so as to clamp the nozzle (3).
2. The marine diesel engine fuel test spraying device of claim 1, which is characterized in that: an observation cylinder (11) is fixedly installed at the bottom of the installation plate (1), the observation cylinder (11) is made of transparent glass, a receiving disc (13) is fixedly installed at the bottom of the inner wall of the observation cylinder (11), and an oil return pipe (14) is arranged at the center of the inner part of the receiving disc (13);
the bottom of mounting panel (1) still fixed mounting have heating ring (12), heating ring (12) are located the inside of observing a section of thick bamboo (11).
3. The marine diesel engine fuel test spraying device of claim 2, characterized in that: the clamping blocks (4) are arranged in an annular shape, and the nozzle (3) is inserted in the center of the clamping blocks (4) which are arranged in the annular shape.
4. The marine diesel engine fuel test spraying device of claim 3, characterized in that: and one side of the clamping blocks (4) facing the nozzle (3) is also provided with a buffer pad (5), and the outer wall of the buffer pad (5) is a rough surface.
5. The marine diesel engine fuel test spraying device of claim 4, which is characterized in that: the clamping device is characterized in that a pull rod (7) is fixedly mounted on one outward side of each clamping block (4), a pressing plate (8) is fixedly mounted at the tail end of each pull rod (7), the pressing plates (8) are movably arranged on the inner wall of each transverse groove (9), and each transverse groove (9) is formed in the corresponding mounting plate (1).
6. The marine diesel engine fuel test spraying device of claim 5, which is characterized in that: the outer wall of the pull rod (7) is further sleeved with a return spring (10), and the return spring (10) is fixedly connected between the outer wall of the pressing plate (8) and the inner side wall of the transverse groove (9).
7. The marine diesel engine fuel test spraying device of claim 6, which is characterized in that: actuating mechanism includes abaculus (15) and pterygoid lamina (17), a plurality of press from both sides tight piece (4) one side outwards and all be formed with outer inclined plane (6), the outer wall activity of outer inclined plane (6) is provided with interior inclined plane (16), interior inclined plane (16) are formed on the inner wall of abaculus (15), the top fixed mounting of abaculus (15) outer wall has pterygoid lamina (17).
8. The marine diesel engine fuel test spraying device of claim 7, which is characterized in that: the inside of pterygoid lamina (17) evenly is provided with bearing (18), the inner wall fixed mounting of bearing (18) has dwang (19), the top fixed mounting of dwang (19) has knob (20), the bottom fixed mounting of dwang (19) has screw rod (21), screw rod (21) threaded connection is on the inner wall of thread groove (22), the top at mounting panel (1) is seted up in thread groove (22).
9. The marine diesel engine fuel test spraying device of claim 7, which is characterized in that: the fixing device is characterized in that fixed boxes (24) are fixedly mounted on two sides of the top of the mounting plate (1), movable grooves (25) are formed in one opposite sides of the two fixed boxes (24), L-shaped rods (26) are movably arranged in the movable grooves (25), rotating shafts (27) are fixedly mounted at the bent positions of the L-shaped rods (26), and two ends of each rotating shaft (27) are rotatably arranged on the inner walls of the movable grooves (25);
one end of the L-shaped rod (26) is movably arranged at the top of the wing plate (17), a screw rod (29) is movably arranged on the outer wall of the other end of the L-shaped rod (26), the screw rod (29) is in threaded connection with the inner wall of a screw nut (28), and the screw nut (28) is fixedly arranged inside the fixing box (24);
and a plurality of supporting springs (23) are uniformly arranged between the bottom of the wing plate (17) and the top of the mounting plate (1).
10. The marine diesel engine fuel test spraying device of claim 9, characterized in that: the L-shaped rod (26) comprises a power arm (30) and a resistance arm (31), and the rotating shaft (27) is fixedly arranged at the connecting part of the power arm (30) and the resistance arm (31);
the length of power arm (30) is greater than the length of resistance arm (31), power arm (30) and the terminal movable contact of lead screw (29), resistance arm (31) set up the top at pterygoid lamina (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757025.6A CN113482822A (en) | 2021-07-05 | 2021-07-05 | Marine diesel engine fuel test spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757025.6A CN113482822A (en) | 2021-07-05 | 2021-07-05 | Marine diesel engine fuel test spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113482822A true CN113482822A (en) | 2021-10-08 |
Family
ID=77940797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110757025.6A Pending CN113482822A (en) | 2021-07-05 | 2021-07-05 | Marine diesel engine fuel test spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113482822A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323612A (en) * | 2021-12-22 | 2022-04-12 | 贵州航谷动力科技有限公司 | Online testing machine for fuel header pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890031A (en) * | 2012-10-12 | 2013-01-23 | 协和机电（无锡）有限公司 | Conductive clamp for plug lead bending test |
| US20130291631A1 (en) * | 2010-11-03 | 2013-11-07 | Sven Kordass | Variable injector mounting |
| CN204831756U (en) * | 2015-05-25 | 2015-12-02 | 西安航空动力股份有限公司 | Experimental atomizer of fuel |
| CN106762329A (en) * | 2016-12-16 | 2017-05-31 | 重庆道同动力机械设备有限公司 | Engine spark plug fixing device |
| CN210063883U (en) * | 2019-06-21 | 2020-02-14 | 常德迪格机械制造有限公司 | Be applied to quick installation dismounting device of pump arm clamp jar assembly transport |
| CN211414420U (en) * | 2019-12-20 | 2020-09-04 | 北京万柳顺机械设备有限公司 | Oil sprayer jacket |
-
2021
- 2021-07-05 CN CN202110757025.6A patent/CN113482822A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130291631A1 (en) * | 2010-11-03 | 2013-11-07 | Sven Kordass | Variable injector mounting |
| CN102890031A (en) * | 2012-10-12 | 2013-01-23 | 协和机电（无锡）有限公司 | Conductive clamp for plug lead bending test |
| CN204831756U (en) * | 2015-05-25 | 2015-12-02 | 西安航空动力股份有限公司 | Experimental atomizer of fuel |
| CN106762329A (en) * | 2016-12-16 | 2017-05-31 | 重庆道同动力机械设备有限公司 | Engine spark plug fixing device |
| CN210063883U (en) * | 2019-06-21 | 2020-02-14 | 常德迪格机械制造有限公司 | Be applied to quick installation dismounting device of pump arm clamp jar assembly transport |
| CN211414420U (en) * | 2019-12-20 | 2020-09-04 | 北京万柳顺机械设备有限公司 | Oil sprayer jacket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323612A (en) * | 2021-12-22 | 2022-04-12 | 贵州航谷动力科技有限公司 | Online testing machine for fuel header pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113482822A (en) | Marine diesel engine fuel test spraying device | |
| CN109570991B (en) | Screw rod and jacking pipe quick assembly device | |
| CN109100099A (en) | Valve spring fatigue tester | |
| CN208736641U (en) | Valve spring fatigue tester | |
| CN106370532A (en) | Pulling, pressing and bending load coupled testing apparatus for outdoor environments of high-cold climates | |
| CN111006881A (en) | Novel pedal fatigue endurance test device | |
| CN106769567B (en) | Micro-sliding friction fatigue mechanical testing device and testing method | |
| CN208547550U (en) | The weld bond fatigue experimental device of automobile absorber system | |
| CN208580158U (en) | A kind of detection device of electric automatization equipment | |
| CN110441214A (en) | Coal sample crack pervasion test device and its test method | |
| CN213337459U (en) | Ultrasonic detection device for liquefied gas pipeline | |
| CN213985577U (en) | Valve oil seal testing device | |
| CN210221156U (en) | Automatic fixing device for air quantity testing pore plate of range hood | |
| CN204423795U (en) | A kind of typical mechanism mechanism module instructional device | |
| CN112763197A (en) | High-temperature fatigue connecting rod test device | |
| CN208420652U (en) | A kind of ring handle syringe sliding property test fixture and test macro | |
| CN209069578U (en) | Endurance test machine for motor vehicles inside gadget | |
| CN221302974U (en) | Low temperature stress testing device | |
| CN110346132A (en) | Camshaft testing equipment | |
| CN216746732U (en) | Volute spiral spring testing arrangement | |
| CN213090623U (en) | Utensil is examined to cylinder hole | |
| CN213971057U (en) | Automobile engine maintenance fixing device | |
| CN221506548U (en) | High-pressure oil pipe fatigue test device | |
| CN212379120U (en) | Portable smoke and dust sampling device | |
| CN213812579U (en) | Colliery electromechanical device vibrations detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211008 |
|
| RJ01 | Rejection of invention patent application after publication |