CN113720511A - Shafting cooperation monitoring device - Google Patents
Shafting cooperation monitoring device Download PDFInfo
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- CN113720511A CN113720511A CN202111014328.5A CN202111014328A CN113720511A CN 113720511 A CN113720511 A CN 113720511A CN 202111014328 A CN202111014328 A CN 202111014328A CN 113720511 A CN113720511 A CN 113720511A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
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- 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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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Abstract
The invention relates to a shafting cooperation monitoring device, which comprises an axial piece, a shaft sleeve and a shaft sleeve, wherein the axial piece is provided with a shaft hole; the rotating shaft penetrates through the shaft hole and is in transmission fit with the axial piece; the mounting groove is arranged on the axial piece and penetrates through the hole wall of the shaft hole to form a notch; the transmission piece is embedded in the mounting groove and can contact the rotating shaft at the notch; and the first film sensor is arranged between the transmission piece and the bottom wall of the mounting groove. Above-mentioned shafting cooperation monitoring devices, shafting are in the motion process, if take place the axial slip between pivot and the axial component, then must lead to the cooperation relation between pivot and the transmission piece to change, produce stress fluctuation in pivot and axial component contact cooperation department, also can produce stress fluctuation correspondingly between the tank bottom wall of transmission piece and mounting groove, through setting up the first film sensor between the tank bottom wall of transmission piece and mounting groove, can monitor the stress between the tank bottom wall of transmission piece and mounting groove and change.
Description
Technical Field
The invention relates to the technical field of intelligent monitoring, in particular to a shafting cooperation monitoring device.
Background
Shafting cooperation is one of the important cooperation modes of power output in rotary machines, and the axial piece and the shaft section can be matched and failed along with the extension of the operation time of equipment. At present, in the process of shafting cooperation monitoring, the running state and the damage condition are judged by some simple instruments and meters through manpower or intelligent monitoring is adopted.
However, the accuracy and reliability of the diagnosis result obtained by manual judgment are poor, and real-time monitoring cannot be performed; the intelligent monitoring adopts a sensor technology, and although online monitoring is realized, the existing intelligent monitoring generally installs a sensor at a position far away from the joint of a rotating shaft and an axial piece, so that in-situ monitoring of faults can not be realized, attenuation of signals in a transmission process is caused, and fault diagnosis has certain errors.
Disclosure of Invention
In view of the above, there is a need to provide a shafting coordination monitoring device for implementing in-situ monitoring by a thin film sensor.
A shafting cooperation monitoring device comprises an axial piece, a shaft sleeve and a shaft sleeve, wherein the axial piece is provided with a shaft hole; the rotating shaft penetrates through the shaft hole and is in transmission fit with the axial piece; the mounting groove is arranged on the axial piece and penetrates through the hole wall of the shaft hole to form a notch; the transmission piece is embedded in the mounting groove and can contact the rotating shaft at the notch; and the first film sensor is arranged between the transmission piece and the bottom wall of the mounting groove, so that the matching state of the axial piece and the rotating shaft is monitored by monitoring the stress change between the transmission piece and the mounting groove.
The shafting coordination monitoring device provided by the invention has the advantages that the rotating shaft is arranged in the shaft hole in a penetrating way and is in transmission coordination with the axial piece, the axial piece is provided with an installation groove which is communicated with the hole wall of the shaft hole, a transmission piece which can be contacted with the rotating shaft at the groove opening is embedded in the mounting groove, and in the moving process of the shaft system, if axial sliding occurs between the rotating shaft and the axial component, the matching relationship between the rotating shaft and the transmission component is necessarily changed, stress fluctuation is generated at the contact matching position of the rotating shaft and the axial member, the transmission member is arranged at the contact matching position of the rotating shaft and the axial member, accordingly, stress fluctuations can also occur between the transmission element and the bottom wall of the mounting groove, and, by means of the first film sensor arranged between the transmission element and the bottom wall of the mounting groove, the stress between the transmission piece and the bottom wall of the mounting groove can be monitored, and therefore the matching state of the axial piece and the rotating shaft is monitored.
In one embodiment, the axial member is provided with a key groove penetrating through the hole wall of the shaft hole, the key groove is used for accommodating a key on the rotating shaft to realize circumferential matching between the rotating shaft and the axial member, and the key groove and the mounting groove are oppositely arranged in the shaft hole.
With the arrangement, in order to realize circumferential matching between the rotating shaft and the axial member, a key connection structure can be arranged between the rotating shaft and the axial member, and the key groove on the axial member is used for a key; and the transmission piece that is used for cooperating first film sensor inlays the dress, can influence the dynamic balance of pivot in the rotation process, consequently, with keyway and mounting groove along 180 degrees ground relative laying in the shaft hole of circumference interval, can make the weight of epaxial key and transmission piece balance each other, dynamic balance when guaranteeing the shafting rotation avoids producing monitoring error because dynamic unbalance.
In one embodiment, a cambered surface which can be attached to the peripheral wall of the rotating shaft is arranged on one side surface, close to the rotating shaft, of the transmission piece.
So set up, the cambered surface on the transmission piece can laminate better with the pivot periphery wall, like this, when taking place axial slip production stress fluctuation between pivot and the axial component, the transmission piece can accurately transmit the stress fluctuation to first film sensor to ensure to realize the normal position monitoring, reduce monitoring error.
In one embodiment, a groove for attaching the first film sensor is formed in one side of the transmission piece away from the rotating shaft.
So set up, locate the recess with first film sensor subsides, can reserve the thickness space of first film sensor and pin on the transmission piece.
In one embodiment, a slot communicated with the groove is further formed in one side of the transmission piece, where the groove is formed.
According to the arrangement, the first film sensor needs external power supply and also needs to output a monitoring result, so that the requirement of a lead wire inevitably exists, the arrangement of the wire groove is favorable for arranging the lead wire, and the influence of the stress on shifting and extruding the lead wire on electric energy or signal transmission is avoided; meanwhile, the wire groove can prevent the stress fluctuation generated between the transmission piece and the bottom wall of the mounting groove from breaking the lead wire in the movement process of the shaft system.
In one embodiment, the fitting relationship between the transmission member and the mounting groove is a transition fitting.
So set up, transition fit can make and have better centering nature between transfer and the mounting groove, easily dismantles, assembles and relatively static. Meanwhile, the thickness of the first film sensor is considered, when the fit relation between the transmission piece and the mounting groove is interference fit, the fit is too tight, and the first film sensor is easy to damage; when the fit relation between the transmission piece and the mounting groove is clearance fit, the transmission piece and the mounting groove can move relatively, and the accuracy of the monitoring result of the first film sensor is influenced. The transmission piece is provided with a groove, and the thickness of the first film sensor and the thickness of the pin of the first film sensor are compensated through the manufacturing tolerance of the transmission piece design.
In one embodiment, the axial member is provided as a turbine disc.
So set up, in the motion process, probably take place axial slip between pivot and the turbine dish to the cooperation state of turbine dish and pivot can be monitored to first film sensor.
In one embodiment, the axial member is a driven member of a flexible coupling, and the shafting cooperation monitoring device further includes a driving member cooperating with the driven member, and a second film sensor attached to a joint between the driven member and the driving member and used for monitoring a cooperation state between the driving member and the driven member.
With the arrangement, in the movement process of the flexible coupling, axial sliding possibly occurs between the rotating shaft and the driven part, and the first film sensor monitors the matching state of the driven part and the rotating shaft; meanwhile, collision or extrusion deformation of different degrees can occur between the respective ports of the driven part and the driving part, different stress changes are generated, and therefore the second film sensor attached to the joint of the driven part and the driving part can monitor the matching state of the driving part and the driven part.
In one embodiment, the second film sensor is arranged at the jaw root of the driven member.
In one embodiment, the second film sensor is arranged on the top of the claw of the driven member.
According to the arrangement, when the second film sensor is arranged at the root or the top of the jaw of the driven part, the monitored stress change generated by collision or extrusion deformation between the respective ports of the driven part and the driving part is the same, and the monitoring result cannot be influenced.
In one embodiment, the shafting cooperation monitoring device further comprises a wireless acquisition module, a groove for attaching the first thin film sensor is formed in one side of the transmission piece away from the rotating shaft, and two wire slots communicated with the groove are formed in the axial direction of the rotating shaft and are respectively arranged on two sides of the groove; the lead wires of the first thin film sensor and the second thin film sensor can penetrate through the wire grooves to be connected with the wireless acquisition module.
So set up, first film sensor and second film sensor can pass through the lead wire with the data of monitoring and transmit to wireless acquisition module on, simultaneously, wireless acquisition module can carry out the energy supply through the lead wire to first film sensor and second film sensor. Two wire casings are respectively arranged on two sides of the groove, a lead of the first film sensor penetrates through the groove on one side and is connected with the wireless acquisition module, a lead of the second film sensor sequentially penetrates through the grooves on two sides and is connected with the wireless acquisition module, and the lead of the second film sensor cannot be wound due to the fact that the lead is exposed outside, so that the flexible coupling is guaranteed to normally work.
Drawings
FIG. 1 is a schematic structural diagram of an axial member in the shafting coordination monitoring device provided by the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 provided in accordance with the present invention;
FIG. 3 is a schematic structural diagram of a transmission member in the shafting alignment monitoring apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of FIG. 3 from a side view according to the present invention;
FIG. 5 is a schematic view of the transmission member of FIG. 3 engaged with a shaft according to the present invention;
FIG. 6 is a schematic structural diagram of an active component in the shafting coordination monitoring device according to the present invention;
fig. 7 is a schematic cross-sectional structure view of fig. 6 provided in the present invention.
Description of the main elements
1. An axial member; 11. mounting grooves; 111. a notch; 12. a shaft hole; 13. a keyway; 2. a rotating shaft; 3. a transfer member; 33. a cambered surface; 31. a groove; 32. a wire slot; 4. a first thin film sensor; 5. a driving member; 6. a second thin film sensor.
The present invention is described in further detail with reference to the drawings and the detailed description.
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.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
Because the traditional intelligent shafting is matched with the monitoring device, the sensor is usually arranged at the position far away from the joint of the rotating shaft and the shaft hole of the axial part, the in-situ monitoring of the fault can not be realized, the attenuation of the signal in the transmission process is caused, and the fault diagnosis has certain errors.
In order to solve the above problems, as shown in fig. 1 to 7, the present invention provides a shafting cooperation monitoring device, in which an installation groove penetrating through a hole wall of a shaft hole is formed in an axial member, and a transmission member and a film sensor capable of contacting a rotating shaft are disposed in the installation groove, so as to monitor a stress variation between the transmission member and the installation groove in situ, thereby monitoring a cooperation state between the axial member and the rotating shaft.
As shown in fig. 1 to 5, specifically, the sensor comprises an axial member 1, a rotating shaft 2, a transmission member 3 and a first film sensor 4; axial component 1 has shaft hole 12, 2 wear to locate in shaft hole 12 and with 1 transmission coordination of axial component, set up mounting groove 11 on the axial component 1 and link up to the pore wall department in shaft hole 12 and form notch 111, transmission 3 inlays and adorns in mounting groove 11 and can be in notch 111 department contact pivot 2, first film sensor 4 sets up between the tank bottom wall of transmission 3 and mounting groove 11 to through the stress variation monitoring axial component 1 between monitoring transmission 3 and the mounting groove 11 and the cooperation state of pivot 2.
In the shafting matching monitoring device provided by the invention, the rotating shaft 2 is arranged in the shaft hole 12 in a penetrating way and is in transmission matching with the axial member 1, the axial member 1 is provided with the installation groove 11 which is communicated with the hole wall of the shaft hole 12, the transmission member 3 which can be contacted with the rotating shaft 2 at the notch 111 is embedded in the installation groove 11, in the movement process of the shafting, if axial sliding possibly occurs between the rotating shaft 2 and the axial member 1, the matching relation between the rotating shaft 2 and the transmission member 3 is inevitably changed, stress fluctuation is generated at the contact matching part between the rotating shaft 2 and the axial member 1, the transmission member 3 is arranged at the contact matching position between the rotating shaft 2 and the axial member 1, therefore, stress fluctuation can be correspondingly generated between the transmission member 3 and the groove bottom wall of the installation groove 11, and the stress change between the transmission member 3 and the groove bottom wall of the installation groove 11 can be monitored through the first film sensor 4 arranged between the transmission member 3 and the groove bottom wall of the installation groove 11, thereby monitoring the fitting state of the axial member 1 and the rotating shaft 2.
It is understood that the mounting groove 11 may be in the shape shown in the drawings, and may be adjusted to other shapes according to the style of the axial member 1, and the invention is not limited thereto.
It should be understood that the shape of the transmission member 3 may be the shape shown in the figure, or may be adjusted to other shapes according to the shape of the mounting groove 11 and the style of the rotating shaft 2, and the invention is not limited in detail herein.
As shown in fig. 1 to 2, a key groove 13 penetrating through the hole wall of the shaft hole 12 is formed in the axial member 1, the key groove 13 is used for accommodating a key on the rotating shaft 2 to realize circumferential matching between the rotating shaft 2 and the axial member 1, and the key groove 13 and the mounting groove 11 are oppositely arranged in the shaft hole 12. In order to realize circumferential fit between the rotating shaft 2 and the axial member 1, a key connection structure can be arranged between the rotating shaft 2 and the axial member 1, and a key groove 13 on the axial member 1 is used for accommodating a key; and the introduction of the transmission piece 3 for cooperating with the first film sensor 4 can influence the dynamic balance of the rotating shaft 2 in the rotating process, so that the key groove 13 and the mounting groove 11 are relatively arranged in the shaft hole 12 at intervals of 180 degrees along the circumferential direction, the weight of the key on the rotating shaft 2 and the weight of the transmission piece 3 can be balanced with each other, the dynamic balance of the shaft system during rotation is ensured, and the monitoring error caused by the dynamic unbalance is avoided.
Further, the key groove 13 is the same with the inner space size and the notch size of mounting groove 11, and the size and the weight of the key on the pivot 2 and the transmission piece 3 are the same, thereby further ensuring that the shafting cooperation can keep dynamic balance and ensuring normal operation thereof.
It is understood that the key slot 13 may be a flat key slot, and the key on the rotating shaft 2 may be a flat key matching with the flat key slot; other key ways and keys that can be mated with each other are of course possible.
As shown in fig. 4 to 5, a curved surface 33 capable of fitting with the outer peripheral wall of the rotating shaft 2 is provided on a side surface of the transmission member 3 close to the rotating shaft 2. Cambered surface 33 on the transmission piece can laminate better with pivot 2 periphery wall, like this, when taking place axial slip production stress fluctuation between pivot 2 and the axial component 1, transmission piece 3 can accurately transmit stress fluctuation to first film sensor 4 to ensure to realize the normal position monitoring, reduce monitoring error.
As shown in fig. 3, a groove 31 for attaching the first film sensor 4 is formed on one side of the transmission member 3 away from the rotating shaft 2. The first film sensor 4 is attached in the groove 31, so that a thickness space of the first film sensor 4 and the pins thereof can be reserved on the transmission member 3. Since the thickness of the thin film sensor itself is not large, the groove 31 may be a shallow groove having a depth of approximately 0.1 mm.
As shown in fig. 3, a slot 32 communicating with the groove 31 is further formed on one side of the transmission member 3 where the groove 31 is formed. The first film sensor 4 needs external power supply and also needs to output a monitoring result, so that a lead wire is inevitably arranged, the arrangement of the wire slot 32 is beneficial to arranging the lead wire, and the influence of stress fluctuation on the lead wire on electric energy or signal transmission is avoided; meanwhile, the stress fluctuation generated between the transmission piece 3 and the bottom wall of the mounting groove 11 in the movement process of the shaft system is prevented from breaking the lead.
The fit relationship between the transmission member 3 and the mounting groove 11 may be selected as a transition fit. Specifically, the tolerance zone of the installation groove 11 and the tolerance zone of the transmission member 3 are overlapped with each other, the maximum limit size of the transmission member 3 is larger than the minimum limit size of the installation groove 11, the minimum limit size of the transmission member 3 is smaller than the maximum limit size of the installation groove 11, and the actual size of the transmission member 3 may be larger than or smaller than the actual size of the installation groove 11.
The transition fit enables a good centering between the transfer element 3 and the mounting groove 11, easy to disassemble, assemble and relatively static. Meanwhile, the thickness of the first film sensor 4 is considered, when the fit relation between the transmission piece 3 and the mounting groove 11 is interference fit, the fit is too tight, and the first film sensor 4 is easily damaged; when the fit relation between the transmission part 3 and the mounting groove 11 is clearance fit, the transmission part 3 and the mounting groove 11 can move relatively, and the accuracy of the monitoring result of the first film sensor 4 is affected. Since the fit relationship between the transmission member 3 and the mounting groove 11 is transition fit, and the transmission member 3 is provided with the groove 31, the fit tolerance and the groove 31 can cooperatively compensate the thickness of the first film sensor 4 and the pin thereof.
In one embodiment, the axial member 1 is provided as a turbine disc. During the movement, axial sliding may occur between the rotating shaft 2 and the turbine disk, so that the first film sensor 4 can monitor the matching state of the turbine disk and the rotating shaft 2.
As shown in fig. 1 to 7, in another embodiment, the axial member 1 is configured as a driven member of a flexible coupling, and the shafting mating monitoring device further includes a driving member 5 mated with the driven member, and a second film sensor 6, where the second film sensor 6 is attached to a joint of the driven member and the driving member 5, and is used for monitoring a mating state of the driving member 5 and the driven member. The flexible coupling is composed of a driving part 5 and a driven part, and is respectively used for connecting two shafts in different mechanisms to rotate together so as to transmit torque, and the phenomenon that the driven part and a driven shaft section are matched and failed or the driving part and the driven part of the coupling are separated can occur in the motion process of the flexible coupling. When the axial sliding occurs between the rotating shaft 2 and the driven part, the first film sensor 4 monitors the matching state of the driven part and the rotating shaft 2; meanwhile, the driven part and the driving part are collided or extruded and deformed in different degrees between the ports of the driven part and the driving part, and different stress changes are generated, so that the second film sensor 6 attached to the joint of the driven part and the driving part 5 can monitor the matching state of the driving part 5 and the driven part.
In one embodiment, the second film sensor 6 is disposed at the jaw root of the follower. In another embodiment, the second film sensor 6 is placed on top of the jaws of the follower. When the second film sensor 6 is arranged at the root or the top of the jaw of the driven part, the monitored stress changes generated by collision or extrusion deformation between the respective ports of the driven part and the driving part are the same, and the monitoring result is not influenced.
Further, the second film sensor 6 may be one, and one second film sensor 6 is disposed at the root or the top of any one of the follower claws; of course, the second film sensor 6 may be plural, and one second film sensor 6 is provided at the root or the top of each follower claw. The second film sensors 6 can monitor stress changes caused by collision or extrusion deformation between the driven part and each jaw of the respective ports of the driving part, and accuracy of monitoring results is improved.
As shown in fig. 1 and fig. 3, the shafting cooperation monitoring device further includes a wireless acquisition module (not shown), a groove 31 for attaching the first thin-film sensor 4 and a wire slot 32 communicated with the groove 31 are formed on one side of the transmission member 3 away from the rotating shaft 2, and two wire slots 32 are formed along the axial direction of the rotating shaft 2 and are respectively disposed on two sides of the groove 31; the leads of the first and second film sensors 4 and 6 can pass through the wire slot 32 to be connected with the wireless acquisition module. First film sensor 4 and second film sensor 6 can pass through the lead wire with the data of monitoring and transmit to wireless acquisition module on, simultaneously, wireless acquisition module can supply energy through the lead wire to first film sensor 4 and second film sensor 6. Two wire casings 32 are respectively arranged on two sides of the groove 31, a lead of the first film sensor 4 penetrates through the groove on one side and is connected with the wireless acquisition module, a lead of the second film sensor 6 sequentially penetrates through the grooves on two sides and is connected with the wireless acquisition module, and the lead of the second film sensor 6 cannot be wound due to the fact that the leads are exposed outside, so that normal work of the flexible coupling is guaranteed. The groove can also prevent the transmission piece 3 from protruding out of the notch 111 of the mounting groove 11 due to the thickness of the lead wire, so that the matching rotation of the flexible coupling and the rotating shaft is influenced; meanwhile, the stress fluctuation generated between the transmission piece 3 and the bottom wall of the mounting groove 11 is prevented from breaking the lead wire in the movement process of the coupler.
It should be understood that the wire groove 32 may be opened at the illustrated position, or may be adjusted to be opened in other manners according to the shapes of the mounting groove 11 and the transmitting member 3 and the connection positions of the leads of the first film sensor 4 and the second film sensor 6, and the invention is not limited in detail herein.
Furthermore, the wireless acquisition module can be arranged on the rotating shaft 2 and synchronously rotates with the rotating shaft 2, so that the first film sensor 4 and the second film sensor 6 can conveniently transmit the monitored data to the wireless acquisition module through leads; the wireless acquisition module can transmit data to an upper computer (not shown) in a wireless transmission mode, so that a user can know the matching state of the axial part 1 and the rotating shaft 2 and the matching state of the driving part 5 and the driven part in real time.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A shafting cooperation monitoring devices, characterized by includes:
an axial member (1) having a shaft hole (12);
the rotating shaft (2) is arranged in the shaft hole (12) in a penetrating mode and is in transmission fit with the axial piece (1);
the mounting groove (11) is arranged on the axial piece (1) and penetrates through the hole wall of the shaft hole (12) to form a notch (111);
the transmission piece (3) is embedded in the mounting groove (11) and can contact the rotating shaft (2) at the notch (111); and
the first film sensor (4) is arranged between the transmission piece (3) and the bottom wall of the installation groove (11) so as to monitor the matching state of the axial piece (1) and the rotating shaft (2) through monitoring the stress change between the transmission piece (3) and the installation groove (11).
2. The shafting cooperation monitoring device according to claim 1, wherein a key groove (13) penetrating to the hole wall of the shaft hole (12) is formed in the axial member (1), the key groove (13) is used for accommodating a key on the rotating shaft (2) to realize circumferential cooperation between the rotating shaft (2) and the axial member (1), and the key groove (13) and the installation groove (11) are oppositely arranged in the shaft hole (12).
3. A shafting cooperation monitoring device according to claim 1, wherein a cambered surface (33) capable of fitting with the peripheral wall of the rotating shaft (2) is arranged on one side surface of the transmission member (3) close to the rotating shaft (2).
4. The shafting cooperation monitoring device according to claim 1, wherein a groove (31) for attaching the first film sensor (4) is formed in one side of the transmission member (3) away from the rotating shaft (2).
5. A shafting cooperation monitoring device according to claim 4, wherein a slot (32) communicated with the groove (31) is further formed in one side of the transmission member (3) where the groove (31) is formed.
6. Shafting mating monitoring device according to claim 1, characterized in that the mating relationship between said transmission member (3) and said mounting groove (11) is transition mating.
7. A shafting alignment monitoring device according to any of claims 1 to 6, wherein said axial member (1) is provided as a turbine disc.
8. A shafting cooperation monitoring device according to any one of claims 1 to 6, wherein said axial member (1) is provided as a driven member of a flexible coupling, said shafting cooperation monitoring device further comprises a driving member (5) engaged with said driven member, and a second film sensor (6), said second film sensor (6) is attached to a connection portion of said driven member with said driving member (5) and is used for monitoring an engagement state of said driving member (5) with said driven member.
9. A shafting mating monitoring device according to claim 8, wherein said second film sensor (6) is provided at the jaw root of said follower; and/or the presence of a gas in the gas,
the second film sensor (6) is arranged at the top of the claw of the driven piece.
10. The shafting cooperation monitoring device according to claim 9, further comprising a wireless acquisition module, wherein a groove (31) for attaching the first film sensor (4) is formed in one side of the transmission member (3) away from the rotating shaft (2), and two wire slots (32) are communicated with the groove (31), and the two wire slots (32) are respectively arranged on two sides of the groove (31) along the axial direction of the rotating shaft (2); the lead wires of the first thin film sensor (4) and the second thin film sensor (6) can penetrate through the wire groove (32) to be connected with the wireless acquisition module.
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| CN202111014328.5A CN113720511B (en) | 2021-08-31 | 2021-08-31 | Shafting cooperation monitoring device |
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