CN108801544B

CN108801544B - Steam pressure transmitter of ship steam turbine

Info

Publication number: CN108801544B
Application number: CN201810714052.3A
Authority: CN
Inventors: 王秀娟
Original assignee: Shanye Marine Services Co ltd
Current assignee: SHANYE MARINE SERVICES Co.,Ltd.
Priority date: 2018-07-03
Filing date: 2018-07-03
Publication date: 2020-07-14
Anticipated expiration: 2038-07-03
Also published as: CN108801544A

Abstract

The invention discloses a steam pressure transmitter of a steam turbine of a ship, which comprises a steam pressure guide pipe and a transmitter main body, first pipeline, the second pipeline and the pipe of wasting discharge, the outside cover of second pipeline is equipped with the coil pipe, the lower extreme and the steam pressure pipe through connection of coil pipe, the top through connection of coil pipe upper end and second pipeline, the bottom of second pipeline is inserted through the sliding ring activity and is equipped with the inserted bar, the bottom fixedly connected with rocker of inserted bar, still be connected with first sealing washer between the bottom of inserted bar and second pipeline, be connected with two sleeves on the inserted bar perpendicularly, the sleeve pipe is located the inside of second pipeline, it is equipped with the third support to insert through two spring activities in the sleeve pipe, the outside top of third support is connected with the movable rod, the movable rod is located between first pipeline and the second pipeline, evenly be connected with the brush hair on inserted bar and the movable rod, the spherical brush of fixedly connected with is gone back at the top of inserted bar. The invention can improve the defects of the prior art and has more accurate steam pressure test effect.

Description

Steam pressure transmitter of ship steam turbine

Technical Field

The invention relates to a pressure device, in particular to a steam pressure transmitter of a steam turbine of a ship.

Background

The operating environment and the use conditions of a marine steam turbine are different from those of a power station steam turbine. It is installed on the base of the ship body which is easy to deform and is often influenced by the swinging and impact of the ship body. The normal operation of the ship is directly related to the safety of the whole ship, so that the requirement on reliability is higher. The ships need to change speed or back to sail frequently when entering or exiting a port or performing tasks, so that special requirements are also imposed on the mobility of the steam turbine. The pressure transmitter is a pressure sensor which uses output as a standard signal, is manufactured by using a load cell sensor (also called as a pressure sensor), a measuring circuit and a process connecting piece, and is an instrument which receives a pressure variable, converts the pressure variable into a standard output signal according to a certain proportion after sensing conversion. It can convert the physical pressure parameters sensed by the load cell sensor into standard electric signals for the secondary instruments such as indicating alarm, recorder and regulator to measure, indicate and regulate the process. Chinese utility model patent CN 207472479U discloses a high temperature resistant pressure transmitter. The pressure transmitter of this kind of structure includes changer main part, pedestal, detecting head fixing base and detecting head, and it improves the radiating effect to come I through cold water flow, ensures pressure transmitter's normal operating, but this kind of device is when measuring high-pressure steam's pressure, and the effect is general, and is influenced by the foreign matter easily and causes the test inaccurate to its application scope has been restricted.

Disclosure of Invention

The invention aims to provide a steam pressure transmitter of a steam turbine of a ship, which can overcome the defects of the prior art and has a more accurate steam pressure test effect.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

A steam pressure transmitter of a ship steam turbine comprises a steam pressure guide pipe and a transmitter main body, wherein a base body, a detecting head fixing base and a detecting head are sequentially connected below the transmitter main body, a first pipeline is sleeved outside the detecting head fixing base, a second pipeline is fixedly sleeved outside the first pipeline, the bottom of the first pipeline is communicated with the second pipeline, a waste discharge pipe is communicated with the bottom of the second pipeline, a second valve is connected onto the waste discharge pipe, a coil pipe is sleeved outside the second pipeline, the lower end of the coil pipe is communicated with the steam pressure guide pipe, the upper end of the coil pipe is communicated with the upper part of the second pipeline, an insert rod is movably inserted into the bottom of the second pipeline through a sliding ring, a rocker is fixedly connected to the bottom of the insert rod, a first sealing ring is further connected between the insert rod and the bottom of the second pipeline, two sleeves are vertically connected onto the insert rod, and are positioned inside the, a third support is movably inserted into the sleeve through two springs, a movable rod is connected above the outer side of the third support and located between the first pipeline and the second pipeline, bristles are evenly connected to the insertion rod and the movable rod, and a spherical brush is fixedly connected to the top of the insertion rod.

Preferably, the steam pressure pipe is connected with a first valve.

Preferably, the first support is fixedly connected to the lower portion of the seat body, the motor is fixedly connected to the outer side of the first support, the fan blades are connected to the motor, and the coil pipe is arranged on the air outlet side of the fan blades.

Preferably, the second pipeline is further connected with a liquid level pipe through two third pipelines.

Preferably, the two springs are an extension spring and a retraction spring, respectively.

Preferably, the base plates are respectively fixed on the surfaces of the inserted link and the movable link, a plurality of mounting holes are uniformly formed in the base plates, balls are movably connected in the mounting holes through torsion springs, bristles are fixed on the balls, and the outer sides of the bristles of each ball are bound through elastic hoops.

Preferably, sponge blocks are fixedly connected to the tops of the bristles on the same ball.

Preferably, a waste discharge groove is formed between the adjacent mounting holes, a shifting fork is fixed in the waste discharge groove and is in contact with bristles in the adjacent mounting holes, and the height of the shifting fork is lower than that of the bristles.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the steam pressure guide pipe is used for connecting a main steam pipeline, the steam pressure guide pipe is specially used for guiding high-temperature high-pressure steam to a transmitter main body for measurement, the detecting head is used for collecting and measuring pressure, the coil pipe is communicated with the steam pressure guide pipe and is used for cooling and condensing the steam, condensed water is further sent to a second pipeline and is deposited at the bottom of the second pipeline, when the collecting device is used, firstly, the condensed water in the second pipeline can be ensured to be capable of soaking the first pipeline, so that the direct contact between the high-pressure steam and the detecting head can be avoided, the mode that the condensed water is used as a pressure transmission medium can fundamentally prevent the damage of parts due to the contact between the high-temperature steam and the transmitter parts while ensuring the test precision, and the mode that the coil pipe is wound around the second pipeline can also prevent the moisture in the second pipeline from being frozen on the premise that the supply of the condensed water is ensured, thereby further protecting the pipeline, further, the bottom of the second pipeline can rotate and move up and down along the second sliding ring through the insertion rod movably inserted by the sliding ring, the first sealing ring can ensure the sealing performance between the insertion rod and the second pipeline, the insertion rod can be rotated through the rocker, when the pipeline is in normal operation, the rocker and the insertion rod are positioned at the lowest part, when the pipeline needs to be cleaned, the insertion rod can be pushed upwards and the rocker is rotated to drive the insertion rod to rotate, the insertion rod part and the movable rod in the second pipeline also rotate, the bristles of the insertion rod can clean the inner side of the first pipeline, the spherical brush on the insertion rod can brush the detecting head when the pipeline runs to the top, the movable rod can brush the inner side of the second pipeline and the outer side of the first pipeline, foreign matters deposited on the pipe wall and the detecting head can be swept, thereby ensuring the detection precision, the foreign matter that sweeps down can be discharged together with the comdenstion water through the exhaust waste pipe of second pipeline below, and the sleeve pipe passes through the flexible effect of activity that the spring produced with the third support, can reach better cleaning effect when rotating, and the steam pressure changer of this kind of mode can be on the basis of guaranteeing that changer part does not receive high-pressure steam damage, better assurance precision, and pressure test data is also more accurate. First valve on the steam pressure pipe, can switch on the steam pressure pipe, motor and flabellum, can sweep the cooling to the coil pipe, the condensation of steam with higher speed, liquid level pipe through two third pipeline through connections, can make things convenient for the staff to look over the inside liquid level of second pipeline, guarantee that the inside condensate water of second pipeline can soak first pipeline, two springs are extension spring and shrink spring respectively, make the brush hair of a movable rod can inwards exert pressure to the outside of first pipeline, the brush hair of another movable rod can outwards exert pressure to the inboard of second pipeline, guarantee the better contact of brush hair and pipe wall, thereby reach better clean effect. The mounting structure of the brush hair can effectively improve the cleaning effect of the brush hair.

Drawings

FIG. 1 is a block diagram of one embodiment of the present invention.

Fig. 2 is a structural view of the inside of a second duct in an embodiment of the present invention.

Fig. 3 is a partially enlarged structural view of a portion a of fig. 2 according to an embodiment of the present invention.

Fig. 4 is a block diagram of a sleeve and a third bracket according to an embodiment of the present invention.

FIG. 5 is a structural view of a bristle mounting portion according to an embodiment of the present invention.

In the figure: 1. a transmitter body; 2. a base body; 3. a probe head fixing seat; 4. a probe head; 5. a steam pressure pipe; 6. a first valve; 7. a coil pipe; 8. a first conduit; 9. a second conduit; 10. a liquid level tube; 11. a third pipeline; 12. a first bracket; 13. a motor; 14. a fan blade; 15. a slide rail; 16. a chute; 17. a limiting plate; 18. a second bracket; 19. a bearing; 20. a rocker; 21. inserting a rod; 22. a bellows; 23. a slip ring; 24. a first seal ring; 25. a waste discharge pipe; 26. a second valve; 27. a sleeve; 28. a movable rod; 29. brushing; 30. a spherical brush; 31. a circular plate; 32. a second seal ring; 33. a third support; 34. a spring; 35. a substrate; 36. mounting holes; 37. a torsion spring; 38. a ball bearing; 39. an elastic clamp; 40. a sponge block; 41. a waste discharge tank; 42. and (4) shifting a fork.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Referring to fig. 1-5, a specific embodiment of the present invention includes a steam pressure pipe 5 and a transmitter body 1, a base 2, a probe fixing seat 3 and a probe 4 are sequentially connected below the transmitter body 1, a first pipe 8 is sleeved outside the probe fixing seat 3, a second pipe 9 is fixedly sleeved outside the first pipe 8, the bottom of the first pipe 8 is communicated with the second pipe 9, a waste discharge pipe 25 is connected to the bottom of the second pipe 9 in a penetrating manner, a second valve 26 is connected to the waste discharge pipe 25, a coil pipe 7 is sleeved outside the second pipe 9, the lower end of the coil pipe 7 is communicated with the steam pressure pipe 5, the upper end of the coil pipe 7 is communicated with the upper portion of the second pipe 9, an insertion rod 21 is movably inserted into the bottom of the second pipe 9 through a sliding ring 23, a rocker 20 is fixedly connected to the bottom of the insertion rod 21, and a first sealing ring 24 is further connected between the insertion rod 21 and the bottom of the second pipe 9, the inserting rod 21 is vertically connected with two sleeves 27, the sleeves 27 are located inside the second pipeline 9, a third support 33 is movably inserted into the sleeves 27 through two springs 34, a movable rod 28 is connected above the outer side of the third support 33, the movable rod 28 is located between the first pipeline 8 and the second pipeline 9, bristles 29 are evenly connected to the inserting rod 21 and the movable rod 28, and the top of the inserting rod 21 is fixedly connected with a spherical brush 30. The steam pressure guide pipe 5 of the invention is used for connecting a main steam pipeline, the steam pressure guide pipe 5 is specially used for leading high-temperature high-pressure steam into a transmitter main body 1 for measurement, the detecting head 4 is used for collecting and measuring pressure, the coil 7 which is communicated with the steam pressure guide pipe 5 is used for cooling and condensing the steam, and further condensed water is sent into a second pipeline 9 and deposited at the bottom of the second pipeline 9, when the collecting device is used, firstly, the condensed water in the second pipeline 9 can be ensured to be soaked in the first pipeline 8, so that the direct contact between the high-pressure steam and the detecting head 4 can be avoided, the mode of taking the condensed water as a pressure transmission medium can fundamentally prevent the damage of components caused by the contact between the high-temperature steam and the transmitter components while ensuring the test precision, and the mode of winding the coil 7 around the second pipeline 9 under the premise of ensuring the supply of the condensed water, the water in the second pipeline 9 can be prevented from freezing, so as to further protect the pipeline, further, the inserted rod 21 movably inserted in the bottom of the second pipeline 9 through the sliding ring 23 can rotate and move up and down along the second sliding ring 23, the first sealing ring 24 can ensure the sealing performance between the inserted rod 21 and the second pipeline 9, the inserted rod 21 can be rotated through the rocker 20, the rocker 20 and the inserted rod 21 are located at the lowest part during normal operation, when the pipeline needs to be cleaned, the inserted rod 21 can be pushed upwards and the rocker 20 is rotated to drive the inserted rod 21 to rotate, so that the inserted rod 21 part and the movable rod 28 in the second pipeline 9 also rotate, the bristles of the inserted rod 21 can clean the inner side of the first pipeline 8, the spherical brush 30 on the inserted rod can brush the first pipeline 4 when the pipeline runs to the uppermost part, and the movable rod 28 can brush the inner side of the second pipeline 9 and the outer side of the first pipeline 8, the foreign matter that will deposit on pipe wall and detecting head 4 is swept away, thereby guarantee the precision of surveying, the foreign matter that sweeps can be discharged together with the comdenstion water through the waste discharge pipe 25 of second pipeline 9 below, sleeve pipe 27 passes through the flexible effect of activity that spring 34 produced with third support 33, can reach better cleaning effect when rotating, the steam pressure transmitter of this kind of mode, can be on the basis of guaranteeing that the changer part does not receive high-pressure steam damage, better assurance precision, pressure test data is also more accurate. The steam pressure guide pipe 5 is connected with a first valve 6. First valve 6 on the steam pressure pipe 5 can switch steam pressure pipe 5, the first support 12 of fixedly connected with is still gone back to the below of pedestal 2, and the outside fixedly connected with motor 13 of first support 12 is connected with flabellum 14 on the motor 13, coil pipe 7 sets up the air-out side at flabellum 14. Motor 13 and flabellum 14 can sweep the cooling to coil pipe 7, and the condensation of steam is accelerated, still have liquid level pipe 10 through two third pipeline 11 through connection on the second pipeline 9. Through the liquid level pipe 10 of two third pipeline 11 through connections, can make things convenient for the staff to look over the inside liquid level of second pipeline 9, guarantee that the inside condensate water of second pipeline 9 can soak first pipeline 8, two springs 34 are extension spring and shrink spring respectively. The two springs 34 are respectively an extension spring and a contraction spring, so that the bristles of one movable rod 28 can inwards press the outer side of the first pipeline 8, and the bristles of the other movable rod 28 can outwards press the inner side of the second pipeline 9, thereby ensuring better contact between the bristles and the pipe wall and further achieving better cleaning effect.

The base plate 35 is fixed on the surface of the inserted link 21 and the movable link 28, a plurality of mounting holes 36 are uniformly arranged in the base plate 35, balls 38 are movably connected in the mounting holes 36 through torsion springs 37, the bristles 29 are fixed on the balls 38, and the outer side of the bristle 29 of each ball 38 is bound through an elastic clamp 39. A sponge block 40 is fixedly attached to the top of the bristles 29 on the same ball 38. A waste discharge groove 41 is formed between the adjacent mounting holes 36, a shifting fork 42 is fixed in the waste discharge groove 41, the shifting fork 42 is in contact with the bristles 29 in the adjacent mounting holes 36, and the height of the shifting fork 42 is lower than that of the bristles 29. By mounting the brush bristles 29 on the rotatable balls 38, the sweeping swing range of the brush bristles 29 can be increased, and the pressed deformation of the brush bristles themselves can be reduced, thereby increasing the life of the brush bristles. The elastic clamp 39 is used for fixing the brush hair and improving the cleaning density of the brushing part. The sponge block 40 may be used to provide a secondary scrubbing of the wall surface to enhance cleaning. The impurities under cleaning are discharged through the waste discharge groove, the impurities are prevented from being gathered, and the shifting fork 42 shifts the bristles 29 when the bristles 29 are deformed or rotated, so that the impurities adhered to the bristles 29 drop, and the cleaning effect of the bristles 29 is guaranteed.

In addition, in order to further improve the practicability of the present invention, a slide rail 15 is fixedly connected to the outside of the second pipeline 9, a limit plate 17 is fixedly connected to the bottom of the slide rail 15, a slide block 16 is slidably connected to the slide rail 15, a second bracket 18 is fixedly connected to the outside of the slide block 16, a bearing 19 is fixedly connected to the outside of the second bracket 18, an insertion rod 21 is coupled to the bearing 19, a circular plate 31 is connected to the upper side of the bearing 19, a second seal ring 32 is movably connected between the insertion rod 21 and the circular plate 31, a corrugated tube 22 is connected between the outside of the circular plate 31 and the bottom of the second pipeline 9, by the above structure, the limit plate 17 is used for preventing the slide block 16 from falling down, and the structure of the corrugated tube 22, the circular plate 31 and the second seal ring 32 below can further improve the sealing performance of the bottom of the second pipeline 9 and prevent moisture leakage, the slide rail 15, the support is used for supporting the fixed bearing 19, so that the rotation and the ascending and descending of the inserted rod 21 are ensured to be smooth, and further, the fixing mode of the slide rail 15, the slide block 16 and the second bracket 18 can also prevent the corrugated pipe 22 from rotating simultaneously with the inserted rod 21 to cause the reduction of the sealing performance when the inserted rod 21 rotates.

The transmitter body, the base body, the probe head fixing base, the probe head and other devices used in the present invention are fully disclosed in the patent documents cited in the background art, belong to the mature prior art, and the detailed structure thereof is not described in detail herein.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a boats and ships steam turbine steam pressure transmitter, includes steam pressure pipe (5) and changer main part (1), the below of changer main part (1) has connected gradually pedestal (2), detecting head fixing base (3) and detecting head (4), its characterized in that: the outer side of the detecting head fixing seat (3) is sleeved with a first pipeline (8), the outer side of the first pipeline (8) is fixedly sleeved with a second pipeline (9), the bottom of the first pipeline (8) is communicated with the second pipeline (9), the bottom of the second pipeline (9) is communicated with a waste discharge pipe (25), the waste discharge pipe (25) is connected with a second valve (26), the outer side of the second pipeline (9) is sleeved with a coil pipe (7), the lower end of the coil pipe (7) is communicated with a steam pressure guide pipe (5), the upper end of the coil pipe (7) is communicated with the upper part of the second pipeline (9), the bottom of the second pipeline (9) is movably inserted with an insert rod (21) through a sliding ring (23), the bottom of the insert rod (21) is fixedly connected with a rocker (20), a first sealing ring (24) is further connected between the insert rod (21) and the bottom of the second pipeline (9), the insert rod (21) is vertically connected with two sleeves (27), the sleeve (27) is positioned inside the second pipeline (9), a third support (33) is movably inserted into the sleeve (27) through two springs (34), a movable rod (28) is connected above the outer side of the third support (33), the movable rod (28) is positioned between the first pipeline (8) and the second pipeline (9), bristles (29) are uniformly connected to the inserted rod (21) and the movable rod (28), and a spherical brush (30) is fixedly connected to the top of the inserted rod (21); the surface of inserted bar (21) and movable rod (28) is fixed with base plate (35) respectively, evenly is provided with a plurality of mounting hole (36) in base plate (35), has ball (38) through torsional spring (37) swing joint in mounting hole (36), and brush hair (29) are fixed on ball (38), and the brush hair (29) outside of every ball (38) is through elasticity clamp (39) ligature.

2. The steam pressure transmitter of a steam turbine of a marine vessel according to claim 1, wherein: and the steam pressure guide pipe (5) is connected with a first valve (6).

3. The steam pressure transmitter of a steam turbine of a marine vessel according to claim 1, wherein: the air conditioner is characterized in that a first support (12) is fixedly connected to the lower portion of the base body (2), a motor (13) is fixedly connected to the outer side of the first support (12), fan blades (14) are connected to the motor (13), and the coil pipe (7) is arranged on the air outlet side of the fan blades (14).

4. The steam pressure transmitter of a steam turbine of a marine vessel according to claim 1, wherein: the second pipeline (9) is also connected with a liquid level pipe (10) through two third pipelines (11).

5. The steam pressure transmitter of a steam turbine of a marine vessel according to claim 1, wherein: the two springs (34) are respectively an extension spring and a contraction spring.

6. The steam pressure transmitter of a steam turbine of a marine vessel according to claim 1, wherein: the tops of the bristles (29) on the same ball (38) are fixedly connected with sponge blocks (40).

7. The steam pressure transmitter of a steam turbine of a marine vessel according to claim 1, wherein: waste discharge grooves (41) are formed between the adjacent mounting holes (36), shifting forks (42) are fixed in the waste discharge grooves (41), the shifting forks (42) are in contact with the bristles (29) in the adjacent mounting holes (36), and the heights of the shifting forks (42) are lower than the heights of the bristles (29).