CN109000909B - Be used for polar region ship propeller model ice-water mixed load measuring device - Google Patents
Be used for polar region ship propeller model ice-water mixed load measuring device Download PDFInfo
- Publication number
- CN109000909B CN109000909B CN201810648934.4A CN201810648934A CN109000909B CN 109000909 B CN109000909 B CN 109000909B CN 201810648934 A CN201810648934 A CN 201810648934A CN 109000909 B CN109000909 B CN 109000909B
- Authority
- CN
- China
- Prior art keywords
- gear box
- output shaft
- sealing
- measuring element
- blade
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A device for measuring ice-water mixed load of a polar ship propeller model comprises a strut package, wherein the bottom of the strut package is connected with a gear box through a fastener, a mounting hole is formed in the same axial position of the strut package and the gear box, an input shaft and an output shaft are arranged in the mounting hole, a hollow hub is fixed at the head of the output shaft, a single-blade force measuring sensor is fixed on the hollow hub, a single blade is fixed on the single-blade force measuring sensor, a lead sealing device is fixed on the hollow hub, and a signal wire of the single-blade force measuring sensor is combined with a signal wire of an integral thrust torque force measuring element after passing through the lead sealing device, penetrates out of a middle hole of the output shaft and is connected with a sliding ring moving ring contact; the tail end of the output shaft is further provided with a slip ring, the space where the slip ring is located is completely watertight, the output line is connected with a signal processing device outside the power meter through a threading hole, and the space where the integral pushing torsion force measuring element is located is completely watertight and communicated with the atmosphere. The measurement is convenient.
Description
Technical Field
The invention relates to the technical field of propeller power measuring equipment, in particular to an ice-water mixed load measuring device for a polar ship propeller model.
Background
When the polar ship sails in an ice area, a propeller of a propulsion system works in an ice-water mixed environment, the pumping action of the propeller causes flow field blockage, ice slurry collision milling and other ice slurry flow actions between ice blocks and the propeller, on one hand, impact collision of the ice blocks puts higher requirements on the structural strength of the propeller, and on the other hand, the disturbance action of the ice blocks has influence on the hydrodynamic force, cavitation, vibration and other properties of the propeller, so that the design of the polar ship propeller needs to comprehensively evaluate the hydrodynamic force and the structural properties of the propeller in the ice-water mixed environment. Due to the particularity of the ice medium and the randomness of the motion of the ice paddles, model test means are mostly adopted to research the problem of the complex mechanical action.
Compared with an ice-free water area, the cavitation performance of the propeller is deteriorated and the non-constant characteristic of the hydrodynamic performance is aggravated due to the blocking disturbance effect of the ice medium in the ice-water mixed environment, the frequency response characteristic of the conventional propeller hydrodynamic force measuring device is insufficient, and the requirement for propeller model hydrodynamic force performance test acquisition under the interference of the ice medium is difficult to meet. The polar ship propeller also needs to obtain blade ice-water mixed load characteristics under the action of the ice-water flow as effective input of strength performance evaluation and structural design optimization, so that the multi-component load of a single blade of the propeller model in the action process of the ice-water flow needs to be measured besides the whole hydrodynamic performance of the propeller model, and no existing equipment can meet the measurement requirement at present.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides the ice-water mixed load measuring device for the polar ship propeller model, so that the measuring function of the balance can be effectively realized, and the test requirement can be met.
The technical scheme adopted by the invention is as follows:
the ice-water mixed load measuring device for the polar ship propeller model comprises a strut package, wherein the bottom of the strut package is connected with a gear box through a fastener, a mounting hole is formed in the same axial position of the strut package and the gear box, an input shaft is arranged in the mounting hole, the input shaft is supported in the gear box through a group of conical roller bearings arranged face to face, and the tail end of the input shaft is supported in the strut package through a self-aligning ball bearing; the bottom of the input shaft is connected with an output shaft through a bevel gear mechanism, the output shaft is vertical to the input shaft in a spatial position, the output shaft is supported in a gear box through a group of back-to-back mounting tapered roller bearings, the tail end of the output shaft is supported through a bearing device in a contraction section, an integral push torque force measuring element is arranged behind the bearing device, the tail end of the gear box is provided with a flow guide cover through a fastener, and the contraction section is fixedly connected with the gear box through the fastener; a hollow hub is fixed at the head of the output shaft, a single-blade force transducer is fixed on the hollow hub, a single blade is fixed on the single-blade force transducer, a lead sealing device is fixed on the hollow hub, and a signal wire of the single-blade force transducer is combined with a signal wire of the integral push-torque force measuring element after passing through the lead sealing device, penetrates out of a middle hole of the output shaft and is connected with a sliding ring moving ring contact; the tail end of the output shaft is further provided with a slip ring, the space where the slip ring is located is completely watertight, the output line is connected with a signal processing device outside the power meter through a threading hole, and the space where the integral pushing torsion force measuring element is located is completely watertight and communicated with the atmosphere.
The further technical scheme is as follows:
the input shaft is connected with the gear box through a radial sealing sleeve.
The radial sealing sleeve is of a hollow cylinder structure, a first framework sealing ring is formed at the upper half part of the radial sealing sleeve, a radial end cover extends from the middle part of the outer end of the radial sealing sleeve, a groove is formed in the lower part of the radial end cover, and a first O-shaped ring matched with the gear box is installed in the groove.
The output shaft is connected with the gear box through an axial sealing sleeve.
The structure of the gear box is as follows: the upper half part of the hollow structure is a wing-shaped cylinder matched with the strut bag, and the lower half part of the hollow structure is a circular cylinder; the interior of the support is provided with a gear box vent hole and a gear box threading hole, the end surface matched with the support is provided with a sealing ring groove, and an operation window is arranged below the sealing ring groove and is covered by a cover plate.
The cross section of the strut bag is in a wing shape, and is provided with a strut bag vent hole and a strut bag through hole.
The output shaft comprises an integral push-torque force measuring element which is respectively a torque measuring element and a thrust measuring element, the torque measuring element adopts a four-column beam form, the thrust measuring element adopts a support sheet and shear beam form and is provided with a rib plate, a rotating shaft threading hole is formed in the center of the shaft except the force measuring element, and a threading hole penetrating through the side edge of the rotating shaft is formed in one side close to the thrust measuring element.
The structure of the contraction section is as follows: the main body is a frustum with an isosceles trapezoid longitudinal section, is fixedly connected with the gear box through threads, and is provided with a third O-shaped ring at the rear end of the threads to realize static sealing; an oil-retaining bearing is adopted for supporting at the output shaft, and the oil-retaining bearing is embedded in a bearing sleeve with an arc-shaped upper surface; and second skeleton sealing rings with outward knife edges are arranged on two sides of the oil-retaining bearing to realize dynamic sealing of the shaft.
Three first circular grooves with the same depth and a second circular groove with larger depth are formed in the circumferential uniform angle position of the hollow propeller hub, a single blade is installed in each first circular groove, and a single-blade force transducer is installed in each second circular groove; a sealing device is arranged on a contact surface of the single blade force-measuring sensor and an output shaft to realize static sealing, a groove is formed in the bottom surface of the root portion of the single blade, a balancing weight is arranged on the groove, the single blade force-measuring sensor is fixedly connected with a hollow propeller hub and the single blade through a flange surface through screws, the sensor adopts a single column beam with an octagonal cross section to perform multi-component force measurement, a straight edge is used for pasting a strain gauge, a curved edge is used for pasting a common bridging point, and a flange threading hole and a flange threading groove are formed in a flange positioned at the bottom.
The contact surface of the wire sealing device and the hollow propeller hub is provided with a sealing ring to realize static sealing of a joint surface, the middle part is provided with a plurality of wire threading holes with small diameters, the filling holes can be filled with epoxy resin after the wires pass through the sealing device, and the sealing of the threading holes can be realized after the wires are cured.
The invention has the following beneficial effects:
the single-blade force measuring sensor is compact and reasonable in structure and convenient to operate, the power device drives the input shaft and the output shaft to rotate, so that the single-blade blades are driven to rotate, due to the action of the single-blade force measuring sensor, a signal wire of the single-blade force measuring sensor penetrates out of the wire sealing device and is combined with a signal wire of the integral pushing torsion force measuring element, the signal wire penetrates out of a middle hole of the output shaft and is connected with a sliding ring moving ring contact, and an output wire of the sliding ring passes through a gear box and a threading hole of a strut package and is connected with a signal processing device outside the power meter, so that component load of each blade and integral hydrodynamic performance of the measuring element can be conveniently detected in the.
The propeller model integral hydrodynamic force and blade ice-water mixed load characteristic measurement device uses the propeller model integral pushing torque force and the single blade multi-component force measurement balance, and can realize measurement of the propeller model integral hydrodynamic force and the blade ice-water mixed load characteristic in an ice-water mixed environment.
Drawings
Fig. 1 is a schematic structural view (full sectional view) of the present invention.
Fig. 2 is a schematic view of the mechanism of the radial seal cartridge of the present invention.
FIG. 3 is a schematic view (full sectional view) of the structure of the gear box of the present invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic structural diagram of an output shaft of the present invention.
FIG. 6 is a schematic structural diagram of the constriction section of the present invention.
Fig. 7 is a partially enlarged view of a portion I in fig. 6.
Fig. 8 is a schematic structural view of the hollow hub of the present invention.
Fig. 9 is a full sectional view taken along section D-D in fig. 8.
FIG. 10 is a schematic diagram of a single-blade load cell according to the present invention.
Fig. 11 is a full sectional view taken along F-F in fig. 10.
Fig. 12 is a schematic structural view of the wire sealing device of the present invention.
Wherein: 1. a pillar bag; 2. an input shaft; 3. a radial seal sleeve; 301. a radial end cap; 302. a first O-ring; 303. a first skeleton seal ring; 4. a gear case; 401. a gear case vent hole; 402. a gear box threading hole; 403. a cover plate; 404. a circular cylinder; 405. an airfoil column; 406. a seal ring groove; 5. an output shaft; 501. a rotating shaft threading hole; 502. a torque measuring element; 503. a thrust measuring element; 504. a rib plate; 505. a threading hole is formed in the side edge of the rotating shaft; 6. a pod; 7. a slip ring; 8. an axial seal sleeve; 9. a contraction section; 901. a frustum; 902. a second skeleton sealing ring; 903. a bearing housing; 904. an oil-retaining bearing; 905. a third O-ring; 10. a hollow hub; 1001. a sealing element; 1002. a second circular groove; 1003. a first circular groove; 11. a single blade; 12. a single-blade force cell sensor; 1201. an octagonal single-column beam; 1202. a flange threading hole; 1203. a flange lead slot; 13. a wire sealing device; 1301. a wire threading hole; 1302. and (4) filling holes.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the device for measuring ice-water mixed load of the polar ship propeller model in the embodiment comprises a pillar bag 1, wherein the bottom of the pillar bag 1 is connected with a gear box 4 through a fastener, the same axial line position of the pillar bag 1 and the gear box 4 is provided with a mounting hole, an input shaft 2 is arranged in the mounting hole, the input shaft 2 is supported in the gear box 4 through a group of conical roller bearings arranged face to face, and the tail end of the input shaft is supported in the pillar bag 1 through a self-aligning ball bearing; the bottom of the input shaft 2 is in power transmission with an output shaft 5 through a bevel gear mechanism, the output shaft 5 is perpendicular to the input shaft 2 in a spatial position, the output shaft 5 is supported in a gear box 4 through a group of back-to-back mounting tapered roller bearings, the tail end of the output shaft is supported through a bearing device in a contraction section 9, an integral push torque force measuring element is arranged behind the bearing device, the tail end of the gear box 4 is provided with a flow guide cover 6 through a fastener, and the contraction section 9 is fixedly connected with the gear box 4 through the fastener; a hollow hub 10 is fixed at the head of the output shaft 5, a single-blade force transducer 12 is fixed on the hollow hub 10, a single blade 11 is fixed on the single-blade force transducer 12, a lead sealing device 13 is fixed on the hollow hub 10, and a signal wire of the single-blade force transducer 12 penetrates through the lead sealing device 13, is combined with a signal wire of an integral push-torque force measuring element, penetrates out of a middle hole of the output shaft 5 and is connected with a moving ring contact of a slip ring 7; the tail end of the output shaft 5 is also provided with a slip ring 7, the space where the slip ring 7 is located is completely watertight, the output line is connected with an external signal processing device of the power meter through a threading hole, and the space where the integral pushing torsion force measuring element is located is completely watertight and communicated with the atmosphere.
The input shaft 2 is connected to a gearbox 4 by means of a radial gland 3.
As shown in fig. 2, the radial sealing sleeve 3 is a hollow cylinder structure, and a first skeleton sealing ring 303 is formed at the inner upper half part thereof, a radial end cover 301 extends from the middle part of the outer end thereof, a groove is formed at the lower part of the radial end cover 301, and a first O-ring 302 matched with the gear box 4 is installed in the groove.
The output shaft 5 is connected to the gearbox 4 by means of an axial gland 8.
And the axial sealing sleeve 8 is provided with a sealing ring on the end surface matched with the gear box 4, a third framework sealing ring is arranged at the output shaft end, and the knife edge is inward.
As shown in fig. 3 and 4, the gear case 4 has a structure in which: the upper half part of the hollow structure is an airfoil cylinder 405 matched with the strut package 1, and the lower half part of the hollow structure is a circular cylinder 404; the interior of the support column is provided with a gear box vent hole 401 and a gear box threading hole 402, the end surface matched with the support column bag 1 is provided with a sealing ring groove 406, and an operation window is arranged below the sealing ring groove and is covered by a cover plate 403.
The cross section of the strut bag 1 is in a wing shape and is provided with a strut bag vent hole and a strut bag through hole.
As shown in fig. 5, the output shaft 5 includes an integral push-torque force measuring element, which is a torque measuring element 502 and a thrust measuring element 503, the torque measuring element 502 is in a four-column beam form, the thrust measuring element 503 is in a support plate plus shear beam form, and is provided with a rib plate 504, except for the force measuring element, a rotating shaft threading hole 501 is formed in the center of the shaft, and a threading hole 505 penetrating through the side edge of the rotating shaft is formed on the side close to the thrust measuring element.
As shown in fig. 6 and 7, the constriction 9 has the following structure: the main body is a frustum 901 with an isosceles trapezoid longitudinal section, is fixedly connected with the gear box 4 through threads, and is provided with a third O-shaped ring 905 at the rear end of the threads to realize static sealing; an oil-retaining bearing 904 is adopted for supporting at the output shaft, and the oil-retaining bearing 904 is embedded in a bearing sleeve 903 with an arc-shaped upper surface; and second skeleton sealing rings 902 with outward knife edges are arranged on two sides of the oil-containing bearing 904 to realize dynamic sealing of the shaft.
As shown in fig. 8 and 9, three first circular grooves 1003 with the same depth and a second circular groove 1002 with a larger depth are formed at the circumferential uniform angle position of the hollow hub 10, a single blade 11 is installed in the first circular groove 1003, and a single-blade load cell 12 is installed in the second circular groove 1002; a sealing element 1001 is arranged on a contact surface of the single blade 11 and the output shaft 5 to realize static sealing, a groove is formed in the bottom surface of the root portion of the single blade 11 and is provided with a balancing weight, the single blade force measuring sensor 12 is fixedly connected with the hollow hub 10 and the single blade 11 through a flange surface through screws, the sensor adopts a single column beam 1201 with an octagonal cross section to carry out multi-component measurement, a straight side is used for adhering strain gauges, a curved side is used for adhering a common bridge connection point, and meanwhile a flange threading hole 1202 and a flange threading groove 1203 are formed in a flange positioned at the bottom.
The concrete structure of the invention is as follows:
the strut package 1 and the gear case 4 are fixedly connected by bolts. The input shaft 2 is supported in the gear case 4 by a set of face-to-face mounted tapered roller bearings, and the tip is supported in the strut package 1 by a self-aligning ball bearing. The output shaft 5 is supported in the gear box 4 by a set of back-to-back mounted tapered roller bearings, the end is supported by a contracting section 9 containing an oil bearing 904, and an integral torque force measuring element is arranged behind the oil bearing 904. The input shaft 2 and the output shaft 5 transmit power through a pair of meshed circular arc bevel gear sets. The air guide sleeve 6 and the contraction section 9 are fixedly connected with the gear box 4 through threads. The radial sealing sleeve 3 and the axial sealing sleeve 8 are fixedly connected with the gear box 4 through screws. The hollow hub 10 is fixed to the output shaft 5. The single blade 11 is fixed to the single blade load cell 12 by screws. The single-bladed load cell 12 is fixed within the hollow hub 10 by screws. The lead sealing device 13 is fixed on the hollow propeller hub 10, and a signal wire of the single-blade force transducer 12 penetrates through the lead sealing device 13, is combined with a signal wire of the integral push torque force measuring element, penetrates out of a middle hole of the output shaft 5 and is connected with a movable ring contact of the slip ring 7. The space where the slip ring 7 is located is completely watertight, and the output line is connected with an external signal processing device of the power meter through the threading hole. The space where the integral push torque force measuring element is located is completely watertight and is communicated with the atmosphere.
In the actual working process:
the invention drives the input shaft 2 to rotate through an external motor (with an encoder), and drives the output shaft 5 to rotate through a group of arc bevel gears, thereby driving the single blade 11 to rotate. The single-blade paddle 11 is fixed with the single-blade force sensor 12 through screws and is used for measuring single-blade multi-component force. The single-blade load cell 12 and the remaining single blades 11 are screwed to the hollow hub 10. The input shaft 2 is supported in the gear case 4 by a set of face-to-face mounted tapered roller bearings, and the tip is supported in the strut package 1 by a self-aligning ball bearing. The gear case 4 and the strut pack 1 are fixed by screws. The output shaft 5 is supported in the gear box 4 by a set of back-to-back mounted tapered roller bearings, the end is supported by a contracting section 9 containing an oil bearing 904, and the integral torque force measuring element is behind the oil bearing 904. The contraction section 9 and the air guide sleeve 6 are fixed with the gear box 4 through threads.
The signal wire of the single-blade force transducer 12 is combined with the signal wire of the integral push torque force measuring element after penetrating out through the lead sealing device 13, and is connected with the moving ring contact of the slip ring 7 after penetrating out through the middle hole of the output shaft 5. An output line of the slip ring 7 is connected with an external signal processing device of the power meter after passing through the gear box 4 and the threading holes of the strut package 1.
The sealed space of the present invention has three parts. The first part is the sealing of an oil cavity in the gear box 4, wherein the dynamic sealing of a shaft is realized through a radial sealing sleeve 3 and a framework sealing ring in an axial sealing sleeve 8, and the axial and radial static sealing of a contact surface is realized through an O-shaped ring. The second part is the sealing of the space where the integral pushing torsion measuring element is located, wherein the dynamic sealing of the output shaft is realized through a framework sealing ring in the contraction section 9, and the static sealing is realized through a radial O-shaped ring at the thread end of the contraction section 9, a radial O-shaped ring of the hollow propeller hub 10 and an axial O-shaped ring of the lead sealing device 13. The third part is the sealing of the space where the sliding ring 7 is located, and the static sealing is realized through an O-shaped ring at the thread end of the air guide sleeve 6.
The output shaft of the radial sealing sleeve 3 is sealed by a group of first framework sealing rings 303 arranged back to back, the joint surface with the gear box 4 is sealed by a first O-shaped ring 302, and the radial end cover 301 is used for bearing the thrust of the bearing.
The upper half part of the gear box 4 is an airfoil cylinder 405 with a cross section, and the lower half part is a circular cylinder 404. The airfoil big end faces the hollow hub 10. A gear box vent hole 401 and a gear box threading hole 402 are formed in the wing profile column 405, and a sealing ring groove 406 is formed in the wing profile column, so that the sealing performance of a combined surface of the wing profile column and the strut bag 1 is guaranteed. An operation hole is formed below the circular cylinder 404 and a cover plate 403 is arranged to facilitate installation and oil injection of the bevel gear.
The middle part of the output shaft 5 is an integral thrust force measuring element, namely a torque measuring element 502 and a thrust force measuring element 503. The measuring element and the output shaft 5 are processed into an integral structural form, so that the mounting clearance and the non-concentricity of a mechanical part can be reduced, and the comprehensive precision of integral measurement is improved. The thrust measuring element 503 is in the form of a shear beam, and a plurality of rib plates 504 with the same thickness are respectively connected in parallel on two sides of the shear beam, so that the axial force sensitivity is improved, the rigidity of the whole shaft is ensured, and the measuring frequency range of the thrust is improved. A central hole and a threading hole 505 penetrating through the side edge of the rotating shaft are formed at one side close to the thrust measuring element 503 and used for enabling a signal wire of the single-blade measuring sensor to penetrate out. A central rotating shaft threading hole 501 is formed at one side close to the torque measuring element 502 and used for all measuring signal wires to pass through.
The longitudinal section of the air guide sleeve 6 is elliptical, a guide cylindrical section is arranged at the front end of the thread, and an O-shaped ring groove is formed at the rear end of the thread.
The slip ring 7 is a standard product, the moving ring is fixed with the output shaft 5 through screws, and the static ring is fixed with the gear box 4 through screws.
As shown in fig. 6, the main body of the contraction section 9 is a frustum 901 with an isosceles trapezoid longitudinal section, and is fixedly connected with the gear box 4 through a screw thread, and a third O-ring 905 is installed at the rear end of the screw thread to realize static sealing. The oil-retaining bearing 904 is adopted to support at the shaft outlet, the oil-retaining bearing 904 is embedded in the bearing sleeve 903 with the arc-shaped upper surface, the structure allows the bearing to be adjusted at a small angle, abrasion of the shaft due to decentration is avoided, and the operation stability is improved. Meanwhile, the assembly prestress generated by the integral push torque force measuring element can be avoided, and the measuring precision is improved. And second skeleton sealing rings 902 with outward knife edges are arranged on two sides of the oil-containing bearing 904 to realize dynamic sealing of the shaft.
Three first circular grooves 1003 with the same depth and a second circular groove 1002 with the larger depth are formed in the hollow hub 10 at circumferentially uniform angular positions. The first circular recess 1003 is for single blade 11 mounting and the second circular recess 1002 is for single blade load cell 12 mounting. And an O-shaped ring is arranged on the contact surface of the output shaft 5 to realize static sealing.
The bottom surface of the root part of the single blade 11 is provided with a circular groove which is provided with a balancing weight, and the balancing weight at the root part of each blade can be different and is used for improving the integral dynamic balance performance of the whole tail end device.
As shown in fig. 10 and 11, the single-blade load cell 12 is screwed to the hollow hub 10 and the single-blade 11 through flange faces, respectively. The sensor adopts the single column beam 1201 with the octagonal cross section to measure multi-component force, wherein a straight edge is used for pasting the strain gauge, and a curved edge is used for pasting the common bridge point. Meanwhile, the lower flange is provided with a flange threading hole 1202 and a flange threading groove 1203.
As shown in fig. 12, the surface of the wire sealing device 13 contacting the hollow hub 10 is provided with a sealing ring to realize static sealing of the joint surface. The middle part is provided with a plurality of small-diameter wire threading holes 1301, after the wire passes through the sealing device, the filling holes 1302 can be filled with epoxy resin, and the sealing of the threading holes can be realized after the wire is cured.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (1)
1. The utility model provides a be used for polar region ship propeller model ice-water mixture load measuring device which characterized in that: the supporting column comprises a supporting column bag (1), wherein the bottom of the supporting column bag (1) is connected with a gear box (4) through a fastener, a mounting hole is formed in the same axial line position of the supporting column bag (1) and the gear box (4), an input shaft (2) is arranged in the mounting hole, the input shaft (2) is supported in the gear box (4) through a group of conical roller bearings which are installed face to face, and the tail end of the input shaft is supported in the supporting column bag (1) through a self-aligning ball bearing; the bottom of the input shaft (2) is connected with an output shaft (5) through a bevel gear mechanism, the output shaft (5) is perpendicular to the input shaft (2) in a spatial position, the output shaft (5) is supported in a gear box (4) through a group of back-to-back mounting tapered roller bearings, the tail end of the output shaft is supported through a bearing device in a contraction section (9), a whole pushing torsion measuring element is arranged behind the bearing device, the tail end of the gear box (4) is provided with a flow guide cover (6) through a fastening piece, and the contraction section (9) is fixedly connected with the gear box (4) through the fastening piece; a hollow propeller hub (10) is fixed at the head of the output shaft (5), a single-blade force transducer (12) is fixed on the hollow propeller hub (10), a single blade (11) is fixed on the single-blade force transducer (12), a lead sealing device (13) is fixed on the hollow propeller hub (10), and a signal wire of the single-blade force transducer (12) penetrates through the lead sealing device (13), is combined with a signal wire of an integral push-torque force measuring element, penetrates through a middle hole of the output shaft (5), and is connected with a moving ring contact of a sliding ring (7); the tail end of the output shaft (5) is also provided with a slip ring (7), the space where the slip ring (7) is located is completely watertight, the output line is connected with an external signal processing device of the power meter through a threading hole, and the space where the integral push torque force measuring element is located is completely watertight and communicated with the atmosphere; the input shaft (2) is connected with the gear box (4) through a radial sealing sleeve (3); the radial sealing sleeve (3) is of a hollow cylindrical structure, a first framework sealing ring (303) is formed on the inner upper half part of the radial sealing sleeve, a radial end cover (301) extends from the middle part of the outer end of the radial sealing sleeve, a groove is formed in the lower part of the radial end cover (301), and a first O-shaped ring (302) matched with the gear box (4) is installed in the groove; the output shaft (5) is connected with the gear box (4) through an axial sealing sleeve (8); the structure of the gear box (4) is as follows: the upper half part of the hollow structure is an airfoil cylinder (405) matched with the strut package (1), and the lower half part of the hollow structure is a circular cylinder (404); a gear box vent hole (401) and a gear box threading hole (402) are formed in the inner part of the strut bag, a sealing ring groove (406) is formed in the end surface matched with the strut bag (1), an operation window is formed below the sealing ring groove, and the sealing ring groove is covered by a cover plate (403); the cross section of the strut bag (1) is in a wing shape, and is provided with a strut bag vent hole and a strut bag through hole; the output shaft (5) comprises an integral push-torque force measuring element which is a torque measuring element (502) and a thrust measuring element (503), the torque measuring element (502) adopts a four-column beam form, the thrust measuring element (503) adopts a support sheet plus shear beam form and is provided with a rib plate (504), except the force measuring element, a rotating shaft threading hole (501) is formed in the center of the shaft, and a threading hole (505) penetrating through the side edge of the rotating shaft is formed in one side close to the thrust measuring element; the structure of the contraction section (9) is as follows: the main body is a frustum (901) with an isosceles trapezoid longitudinal section, the frustum is fixedly connected with a gear box (4) through threads, and a third O-shaped ring (905) is arranged at the rear end of each thread to realize static sealing; an oil-retaining bearing (904) is adopted for supporting at the output shaft, and the oil-retaining bearing (904) is embedded in a bearing sleeve (903) with an arc-shaped upper surface; two sides of the oil-retaining bearing (904) are provided with second skeleton sealing rings (902) with outward knife edges to realize dynamic sealing of the shaft; three first circular grooves (1003) with the same depth and a second circular groove (1002) with the larger depth are formed in the circumferential uniform angle position of the hollow hub (10), a single blade (11) is installed in the first circular groove (1003), and a single-blade force transducer (12) is installed in the second circular groove (1002); a sealing device (1001) is arranged on a contact surface of the sensor and an output shaft (5) to realize static sealing, a groove is formed in the bottom surface of the root of a single blade (11) and is provided with a balancing weight, the single-blade force sensor (12) is respectively fixedly connected with a hollow hub (10) and the single blade (11) through a flange surface by screws, the sensor adopts a single column beam (1201) with an octagonal cross section to carry out multi-component measurement, a straight edge is used for pasting a strain gauge, a curved edge is used for pasting a common bridging point, and a flange threading hole (1202) and a flange threading groove (1203) are formed in a flange positioned at the bottom; the contact surface of the lead sealing device (13) and the hollow propeller hub (10) is provided with a sealing ring to realize static sealing of a joint surface, the middle part is provided with a plurality of lead threading holes (1301) with small diameters, after the lead passes through the sealing device, the filling holes (1302) are filled with epoxy resin, and after the lead is cured, the sealing of the threading holes can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648934.4A CN109000909B (en) | 2018-06-22 | 2018-06-22 | Be used for polar region ship propeller model ice-water mixed load measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648934.4A CN109000909B (en) | 2018-06-22 | 2018-06-22 | Be used for polar region ship propeller model ice-water mixed load measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109000909A CN109000909A (en) | 2018-12-14 |
| CN109000909B true CN109000909B (en) | 2020-04-28 |
Family
ID=64601962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810648934.4A Active CN109000909B (en) | 2018-06-22 | 2018-06-22 | Be used for polar region ship propeller model ice-water mixed load measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109000909B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870296B (en) * | 2019-03-01 | 2021-08-24 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Circulating water tank ice propeller flow effect propeller performance test system |
| CN109932123B (en) * | 2019-03-22 | 2020-10-16 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Propeller single-blade six-component measuring device |
| CN114252233A (en) * | 2021-12-06 | 2022-03-29 | 中国船舶工业集团公司第七0八研究所 | Ice feeding device for cavitation water drum test |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2104505C1 (en) * | 1995-08-14 | 1998-02-10 | Центральный научно-исследовательский институт им.акад.А.Н.Крылова | Dynamometer measuring forces on model of variable-pitch propeller |
| CN2832659Y (en) * | 2005-10-13 | 2006-11-01 | 武汉船用机械有限责任公司 | Combined sideways-acting propeller |
| CN201842246U (en) * | 2010-08-25 | 2011-05-25 | 南京高精船用设备有限公司 | Novel lateral adjustable-pitch propeller for ship |
| CN103604600A (en) * | 2013-12-09 | 2014-02-26 | 上海市东方海事工程技术有限公司 | Strain propeller electric test dynamometer |
| CN104034465A (en) * | 2014-07-01 | 2014-09-10 | 中国船舶重工集团公司第七○二研究所 | Force measurement mechanism in device for measuring blade rotating torque of single blade of controllable-pitch propeller |
| CN105235819A (en) * | 2015-11-04 | 2016-01-13 | 苏州船用动力系统股份有限公司 | Ship lateral propeller thrust measuring test model and application thereof |
-
2018
- 2018-06-22 CN CN201810648934.4A patent/CN109000909B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2104505C1 (en) * | 1995-08-14 | 1998-02-10 | Центральный научно-исследовательский институт им.акад.А.Н.Крылова | Dynamometer measuring forces on model of variable-pitch propeller |
| CN2832659Y (en) * | 2005-10-13 | 2006-11-01 | 武汉船用机械有限责任公司 | Combined sideways-acting propeller |
| CN201842246U (en) * | 2010-08-25 | 2011-05-25 | 南京高精船用设备有限公司 | Novel lateral adjustable-pitch propeller for ship |
| CN103604600A (en) * | 2013-12-09 | 2014-02-26 | 上海市东方海事工程技术有限公司 | Strain propeller electric test dynamometer |
| CN104034465A (en) * | 2014-07-01 | 2014-09-10 | 中国船舶重工集团公司第七○二研究所 | Force measurement mechanism in device for measuring blade rotating torque of single blade of controllable-pitch propeller |
| CN105235819A (en) * | 2015-11-04 | 2016-01-13 | 苏州船用动力系统股份有限公司 | Ship lateral propeller thrust measuring test model and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| Ice Loads Acting on a Model Podded Propeller Blade;Jungyong Wang等;《Journal of Offshore Mechanics and Arctic Engineering》;20070831;第129卷;第236-244页 * |
| 冰级桨水动力性能研究综述;郭春雨等;《船海工程》;20140831;第43卷(第4期);第1-8页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109000909A (en) | 2018-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109000909B (en) | Be used for polar region ship propeller model ice-water mixed load measuring device | |
| KR101401498B1 (en) | Dynamometer for measuring thrust and torque of propeller boss cap fin | |
| CN104215426B (en) | A kind of hydraulic propeller flow field and external characteristics measurement apparatus and its measuring method | |
| CN104634494B (en) | Thrust/torque measuring device for pod test | |
| CN103528740B (en) | Airscrew thrust and magnetic drives torque measuring device | |
| Yilmaz et al. | Effects of duct shape on a ducted propeller performance | |
| CN109000881B (en) | Rolling forced vibration dynamic derivative test device suitable for Mach number of 8.0 | |
| CN104034465B (en) | Force measuring machine in tuning for Controllable Pitch Propeller one piece blade rotating vane torque measuring device | |
| CN107764290B (en) | Waterproof rotary encoder | |
| CN104165726A (en) | Calibration device for dynamometer | |
| CN105445025A (en) | Water-lubricated radial thrust combined sliding bearing performance test bench | |
| CN110779678A (en) | Test bed capable of synchronously measuring aerodynamic characteristics and acoustic characteristics of large-size propeller | |
| CN201917419U (en) | Dynamometric device of propeller open water dynamometer | |
| CN107894323A (en) | A kind of water tunnel experiment vibration hydrofoil unit | |
| CN103979071B (en) | Hydrodynamic performance testing device for straight-wing screw propeller of fishing boat | |
| CN113734465B (en) | Test bed for measuring aerodynamic performance of variable pitch propeller | |
| CN108760231B (en) | Propeller power instrument for cavitation water drum | |
| CN203837849U (en) | Improved device for measuring boat propulsion shaft system based on clamp ring type torque sensor | |
| KR101557379B1 (en) | Whole load detection apparatus of underwater motor dynamometer for forcedly-operable swing water tank test | |
| CN117073958A (en) | Open rotor engine rotor and stator blade high-speed wind tunnel test device | |
| CN102650556A (en) | Bearing load identification method based on strain signals of three cross sections of rotating shaft | |
| CN110562484B (en) | Hovering characteristic testing device for testing single-shaft rotor system of Mars aircraft | |
| RU2445508C2 (en) | Double-wing turbine | |
| CN109932123B (en) | Propeller single-blade six-component measuring device | |
| CN109186979B (en) | Oblique transmission type pod test 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |