CN115165177A - Belt pulley type wireless torque measurement sensor for rotary shaft system - Google Patents
Belt pulley type wireless torque measurement sensor for rotary shaft system Download PDFInfo
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- CN115165177A CN115165177A CN202210797082.1A CN202210797082A CN115165177A CN 115165177 A CN115165177 A CN 115165177A CN 202210797082 A CN202210797082 A CN 202210797082A CN 115165177 A CN115165177 A CN 115165177A
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- 238000005259 measurement Methods 0.000 title claims abstract description 37
- 230000006698 induction Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 238000012544 monitoring process Methods 0.000 description 4
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- 230000000694 effects Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a belt pulley type wireless torque measurement sensor for a rotating shaft system, which comprises a bottom plate, a support and a control box, wherein the support is fixedly connected with the top of the bottom plate, a sliding sleeve is sleeved on the support in a sliding mode, and a fixing groove is formed in the bottom of the sliding sleeve. The flexible deformation simple beam and the high-precision strain sensing measurement unit are added in the belt pulley, so that the small deformation of the belt pulley caused by torque transmission can be captured, a coding signal containing torque information is generated, the characteristic of high-speed rotation of the rotating shaft system is considered, and on the premise that the design of the shaft system is not changed as much as possible, the flexible deformation simple beam and the high-precision strain sensing measurement unit are designed into a wireless sensing power supply mode and a wireless signal transmitting and receiving data transmission mode, so that the whole rotating part of the invention is free from the constraint of cables and wires, and is fully suitable for the high-rotating-speed rotating shaft system. And a storage battery is not required to be arranged for power supply, the self weight is reduced, the dynamic balance of the sensor is better ensured, and the design is more optimized.
Description
Technical Field
The invention relates to the technical field of torque measurement sensors, in particular to a belt pulley type wireless torque measurement sensor for a rotating shaft system.
Background
At present, the belt pulley type torque sensor is mainly applied to motor torque measurement in China, and the output torque of the motor is measured by mounting a belt pulley-shaped elastic body to an output shaft of the motor. In the process of rotating and outputting the torque by the motor, the belt pulley-shaped elastic body can generate a certain amount of micro deformation due to the transmission and influence of the torque. A sensitive measuring unit is arranged in the deformation position of the elastic body, so that the deformation quantity can be accurately measured, and the current motor output torque value is obtained through certain operation conversion. For the torque measurement of a rotating shaft system, a flange type torque sensor or a cylindrical shaft type torque sensor is generally used at present.
However, the belt wheel type torque sensor is developed for the application of the motor, is mounted at the output shaft end of the motor, and one end of the mounting position (namely, the side far away from the motor) of the belt wheel type torque sensor needs to be an open space, so that the application range and the application scene are single and limited. And the power supply mode adopts the storage battery for power supply, is only suitable for short-term measurement needs for a few times, and needs to disassemble the structure after use to take out the storage battery for charging for the next measurement. The battery supply also adds complexity to the system and dynamic balancing considerations are taken into account, the arrangement of the cells must be symmetrical (or cells mounted on one side, balancing weights added on the symmetrical side) to maintain balance.
However, although the flange disc type torque sensor or the cylindrical shaft type torque sensor can be used for torque measurement of a rotating shaft system, the flange disc type torque sensor or the cylindrical shaft type torque sensor must be used as a part of the shaft system to be connected in series into the shaft system, and does not have the transmission function of a belt wheel type torque sensor, and has no application possibility and value for the rotating shaft system driven by belt transmission in a compact space.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problems that although a flange disc type torque sensor or a cylindrical shaft type torque sensor in the prior art can be used for measuring the torque of a rotating shaft system, the flange disc type torque sensor or the cylindrical shaft type torque sensor must be used as a part of the shaft system to be connected in series into the shaft system, the transmission function of a belt wheel type torque sensor is not provided, and the belt wheel type wireless torque measuring sensor for the rotating shaft system cannot be applied possibly and worth to the rotating shaft system driven by a belt in a compact space.
2. Technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme:
a belt pulley type wireless torque measurement sensor for a rotating shaft system comprises a bottom plate, a support and a control box, wherein the support is fixedly connected with the top of the bottom plate, a sliding sleeve is sleeved on the support in a sliding mode, a fixing groove is formed in the bottom of the sliding sleeve, a fixing mechanism is fixedly connected in the fixing groove, and one end of the sliding sleeve is fixedly connected with the outer wall of the control box;
the wireless induction power supply module, the signal conversion module and the wireless signal receiving module are arranged in the control box, the top of the control box is fixedly connected with an installation sleeve through a fixed block, one side of the installation sleeve is fixedly connected with a receiving ring, and an induction ring corresponding to the receiving ring is inserted in the installation sleeve in a rotating mode;
a fixed cylinder is fixedly connected to one side of the induction ring, a belt groove is formed in the outer wall of the fixed cylinder in a surrounding mode, a deformation supporting beam is inserted into the fixed cylinder and connected with the inner wall of the fixed cylinder through a plurality of strain measurement units, and a wireless signal transmitting module is fixedly embedded in the inner wall of the fixed cylinder;
the output end of the strain measurement unit is connected with the input end of the wireless signal transmitting module, the output end of the wireless signal transmitting module is connected with the input end of the wireless signal receiving module, and the output ends of the wireless induction power supply module and the wireless signal receiving module are both connected with the input end of the signal conversion module.
Preferably, the bottom of bottom plate fixedly connected with a plurality of latch segments, be equipped with the latch port on the latch segment.
Preferably, the fixing mechanism comprises a fixing rod, an L-shaped clamping rod is sleeved on the fixing rod in a sliding mode, and a plurality of clamping grooves corresponding to the L-shaped clamping rod are arranged on the support at equal intervals.
Preferably, the fixing rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the L-shaped clamping rod and the inner wall of the fixing groove.
Preferably, the outer wall of the control box is fixedly connected with a sliding block, the support is provided with a sliding groove corresponding to the sliding block, a sliding rod is fixedly connected in the sliding groove, and the sliding block is provided with a sliding opening corresponding to the sliding rod.
Preferably, one side of control box is equipped with the installing port, it is connected with the baffle to rotate through the pivot in the installing port, the one end that the pivot was kept away from to the baffle passes through locking screw fixed connection with the installing port inner wall.
Preferably, the outer wall of the fixed cylinder is fixedly connected with a plurality of supporting blocks, the supporting blocks are connected with the installation sleeve in a sliding mode through guide rods, the installation sleeve is provided with annular slide rails corresponding to the guide rods, and one end, located in the annular slide rails, of each guide rod is fixedly connected with a limiting block.
Preferably, a plurality of balls are connected in the annular slide rail in a sliding mode, and the edges of the balls are in contact with the limiting blocks.
Preferably, one side of the induction ring, which is far away from the fixed cylinder, is fixedly connected with a plurality of fastening blocks, and fastening bolts are inserted into the fastening blocks through threads.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the invention, the flexible deformation simple beam and the high-precision strain sensing measurement unit are added in the belt pulley, so that the tiny deformation of the belt pulley caused by torque transmission can be captured, and further a coded signal containing torque information is generated. And a storage battery is not required to be arranged for power supply, the self weight is reduced, the dynamic balance of the sensor is better ensured, and the design is more optimized.
(2) The invention can replace the belt pulley with single transmission function on the premise of not changing the original closed shafting design driven by the belt pulley, and can measure the torque borne by the belt pulley while transmitting the rotating speed torque of the main motor brought by the belt. And when a designer designs a mechanical structure of the rotating shafting, a shafting torque measurement solution is provided on the premise of reducing the shafting complexity as much as possible and adding no additional torque measurement unit. Therefore, the torque input to the rotating shaft system can be monitored in real time, and based on the real-time torque input monitoring, a plurality of items (such as input power, efficiency transmission and the like) state monitoring can be carried out, so that the running condition of the shaft system can be comprehensively monitored in real time, and the normal running or fault finding, positioning and analysis can be carried out after the shaft system is in fault.
Drawings
Fig. 1 is a schematic structural diagram of a belt pulley type wireless torque measurement sensor for a rotating shaft system according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic diagram of a control system of a pulley-type wireless torque measurement sensor for a rotating shaft system according to the present invention.
In the figure: the device comprises a base plate 1, a support 2, a control box 3, a sliding sleeve 4, a wireless induction power supply module 5, a signal conversion module 6, a wireless signal receiving module 7, a receiving ring 8, a fixing block 9, a mounting sleeve 10, an induction ring 11, a fixing barrel 12, a belt groove 13, a deformation supporting beam 14, a strain measuring unit 15, a wireless signal transmitting module 16, a locking block 17, a fixing rod 18, a 19L-shaped clamping rod, a spring 20, a sliding block 21, a sliding rod 22, a rotating shaft 23, a baffle 24, a locking screw 25, a supporting block 26, a guide rod 27, a limiting block 28, balls 29, a fastening block 30 and a fastening bolt 31.
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.
Example 1:
referring to fig. 1-3, a belt pulley type wireless torque measurement sensor for a rotating shaft system comprises a bottom plate 1, a support 2 and a control box 3, wherein the bottom of the bottom plate 1 is fixedly connected with a plurality of locking blocks 17, the locking blocks 17 are provided with locking ports to facilitate fixing the bottom plate 1, the support 2 is fixedly connected with the top of the bottom plate 1, the support 2 is slidably sleeved with a sliding sleeve 4, the outer wall of the control box 3 is fixedly connected with a sliding block 21 for supporting the control box 3, the support 2 is provided with a sliding groove corresponding to the sliding block 21, a sliding rod 22 is fixedly connected in the sliding groove, and the sliding block 21 is provided with a sliding port corresponding to the sliding rod 22 for supporting the sliding block 21;
according to the invention, one side of a control box 3 is provided with a mounting opening for arranging a control element, a baffle plate 24 is rotatably connected in the mounting opening through a rotating shaft 23 to protect the control element, one end of the baffle plate 24 far away from the rotating shaft 23 is fixedly connected with the inner wall of the mounting opening through a locking screw 25, the bottom of a sliding sleeve 4 is provided with a fixing groove, and a fixing mechanism is fixedly connected in the fixing groove;
according to the invention, the fixing mechanism comprises a fixing rod 18 used for supporting an L-shaped clamping rod 19, the L-shaped clamping rod 19 is sleeved on the fixing rod 18 in a sliding manner, a plurality of clamping grooves corresponding to the L-shaped clamping rod 19 are equidistantly arranged on a support 2 and used for fixing the position of the sliding sleeve 4, a spring 20 is sleeved on the fixing rod 18, two ends of the spring 20 are respectively fixedly connected with the L-shaped clamping rod 19 and the inner wall of the fixing groove, a certain elastic support is provided for the L-shaped clamping rod 19, and one end of the sliding sleeve 4 is fixedly connected with the outer wall of the control box 3;
according to the wireless power supply device, a wireless induction power supply module 5, a signal conversion module 6 and a wireless signal receiving module 7 are arranged in a control box 3, the top of the control box 3 is fixedly connected with an installation sleeve 10 through a fixing block 9, one side of the installation sleeve 10 is fixedly connected with a receiving ring 8, an induction ring 11 corresponding to the receiving ring 8 is rotatably inserted into the installation sleeve 10 and used for wireless power supply, a plurality of fastening blocks 30 are fixedly connected to one side, away from a fixing cylinder 12, of the induction ring 11, and fastening bolts 31 are inserted into the fastening blocks 30 through threads;
according to the invention, one side of an induction ring 11 is fixedly connected with a fixed cylinder 12, the outer wall of the fixed cylinder 12 is fixedly connected with a plurality of supporting blocks 26, the supporting blocks 26 are slidably connected with an installation sleeve 10 through guide rods 27 and are used for supporting the fixed cylinder 12, the installation sleeve 10 is provided with an annular slide rail corresponding to the guide rods 27, one end of each guide rod 27, which is positioned in the annular slide rail, is fixedly connected with a limiting block 28, the annular slide rail is slidably connected with a plurality of balls 29, the edge of each ball 29 is in contact with the limiting block 28, and the friction force between the limiting block 28 and the inner wall of the annular slide rail is reduced;
in the invention, a belt groove 13 is arranged on the outer wall of a fixed cylinder 12 in a surrounding manner, a deformation beam 14 is inserted into the fixed cylinder 12, the deformation beam 14 is connected with the inner wall of the fixed cylinder 12 through a plurality of strain measurement units 15 and is used for forming a torsion-measuring full-bridge circuit, and a wireless signal transmitting module 16 is fixedly embedded on the inner wall of the fixed cylinder 12;
in the invention, the output end of the strain measurement unit 15 is connected with the input end of the wireless signal transmitting module 16, the output end of the wireless signal transmitting module 16 is connected with the input end of the wireless signal receiving module 7, the output ends of the wireless induction power supply module 5 and the wireless signal receiving module 7 are both connected with the input end of the signal conversion module 6, and the signal receiving module 6 can convert the received coding signal to generate a frequency pulse signal for outputting.
In the invention, when the sensor transmits torque, the deformation supporting beam 14 in the sensor generates corresponding flexible deformation, and the high-precision strain measuring unit 15 captures and senses the deformation in real time and wirelessly transmits and outputs a digital signal through a signal coding and transmitting module.
According to the invention, the height of the sensor can be adjusted through the sliding sleeve 4, meanwhile, the height of the sliding sleeve 4 can be fixed through the L-shaped clamping rod 19, meanwhile, the sliding rod 22 and the sliding block 21 are arranged, the control box 3 can be prevented from shaking, and the spring 20 can play a certain elastic supporting role on the L-shaped clamping rod 19.
According to the invention, the flexible deformation simply supported beam and the high-precision strain sensing measurement unit are added in the belt pulley, so that the tiny deformation of the belt pulley caused by torque transmission can be captured, and further a coding signal containing torque information is generated. Considering the characteristic of high-speed rotation of the rotating shaft system, on the premise of not changing the design of the shaft system as much as possible, the rotating component is designed into a wireless induction power supply mode and a wireless signal transmitting and receiving data transmission mode, so that the rotating component of the whole rotating component is free from the constraint of cables and wires, and is fully suitable for the high-speed rotating shaft system. And a storage battery is not required to be arranged for power supply, the self weight is reduced, the dynamic balance of the sensor is better ensured, and the design is more optimized.
The invention can replace the belt pulley with single transmission function on the premise of not changing the original closed shafting design driven by the belt pulley, and can measure the torque borne by the belt pulley while transmitting the rotating speed torque of the main motor brought by the belt. And when a designer designs a mechanical structure of the rotating shafting, a shafting torque measurement solution is provided on the premise of reducing the shafting complexity as much as possible and adding no additional torque measurement unit. Therefore, the torque input to the rotating shaft system can be monitored in real time, and based on the real-time torque input monitoring, a plurality of items (such as input power, efficiency transmission and the like) state monitoring can be carried out, so that the running condition of the shaft system can be comprehensively monitored in real time, and the normal running or fault finding, positioning and analysis can be carried out after the shaft system is in fault.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A belt pulley type wireless torque measurement sensor for a rotary shaft system comprises a bottom plate (1), a support (2) and a control box (3), and is characterized in that the support (2) is fixedly connected with the top of the bottom plate (1), a sliding sleeve (4) is sleeved on the support (2) in a sliding mode, a fixing groove is formed in the bottom of the sliding sleeve (4), a fixing mechanism is fixedly connected into the fixing groove, and one end of the sliding sleeve (4) is fixedly connected with the outer wall of the control box (3);
a wireless induction power supply module (5), a signal conversion module (6) and a wireless signal receiving module (7) are arranged in the control box (3), the top of the control box (3) is fixedly connected with an installation sleeve (10) through a fixing block (9), one side of the installation sleeve (10) is fixedly connected with a receiving ring (8), and an induction ring (11) corresponding to the receiving ring (8) is inserted in the installation sleeve (10) in a rotating manner;
a fixed cylinder (12) is fixedly connected to one side of the induction ring (11), a belt groove (13) is arranged on the outer wall of the fixed cylinder (12) in a surrounding mode, a deformation supporting beam (14) is inserted into the fixed cylinder (12), the deformation supporting beam (14) is connected with the inner wall of the fixed cylinder (12) through a plurality of strain measurement units (15), and a wireless signal transmitting module (16) is fixedly embedded in the inner wall of the fixed cylinder (12);
the output end of the strain measurement unit (15) is connected with the input end of the wireless signal transmitting module (16), the output end of the wireless signal transmitting module (16) is connected with the input end of the wireless signal receiving module (7), and the output ends of the wireless induction power supply module (5) and the wireless signal receiving module (7) are connected with the input end of the signal conversion module (6).
2. The pulley-type wireless torque measurement sensor for the rotating shaft system as claimed in claim 1, wherein a plurality of locking blocks (17) are fixedly connected to the bottom of the bottom plate (1), and locking ports are formed in the locking blocks (17).
3. The belt pulley type wireless torque measurement sensor for the rotating shaft system as claimed in claim 1, wherein the fixing mechanism comprises a fixing rod (18), an L-shaped clamping rod (19) is slidably sleeved on the fixing rod (18), and a plurality of clamping grooves corresponding to the L-shaped clamping rod (19) are equidistantly arranged on the bracket (2).
4. The pulley-type wireless torque measurement sensor for the rotating shaft system as claimed in claim 3, wherein the fixing rod (18) is sleeved with a spring (20), and two ends of the spring (20) are respectively fixedly connected with the L-shaped clamping rod (19) and the inner wall of the fixing groove.
5. The belt pulley type wireless torque measurement sensor for the rotating shaft system as claimed in claim 1, wherein a sliding block (21) is fixedly connected to an outer wall of the control box (3), a sliding groove corresponding to the sliding block (21) is formed in the support (2), a sliding rod (22) is fixedly connected to the inside of the sliding groove, and a sliding opening corresponding to the sliding rod (22) is formed in the sliding block (21).
6. The belt pulley type wireless torque measurement sensor for the rotating shaft system as claimed in claim 1, wherein a mounting opening is formed in one side of the control box (3), a baffle (24) is rotatably connected in the mounting opening through a rotating shaft (23), and one end, far away from the rotating shaft (23), of the baffle (24) is fixedly connected with the inner wall of the mounting opening through a locking screw (25).
7. The belt pulley type wireless torque measurement sensor for the rotating shafting of claim 1, wherein a plurality of supporting blocks (26) are fixedly connected to the outer wall of the fixed cylinder (12), the supporting blocks (26) are slidably connected to the mounting sleeve (10) through guide rods (27), an annular slide rail corresponding to the guide rods (27) is arranged on the mounting sleeve (10), and a limiting block (28) is fixedly connected to one end of each guide rod (27) located in the annular slide rail.
8. A belt pulley type wireless torque measurement sensor for a rotating shaft system according to claim 7, wherein a plurality of balls (29) are slidably connected in the annular slide rail, and the edge of each ball (29) is in contact with a limit block (28).
9. The belt pulley type wireless torque measurement sensor for the rotating shafting is characterized in that a plurality of fastening blocks (30) are fixedly connected to one side of the induction ring (11) far away from the fixed cylinder (12), and fastening bolts (31) are inserted into the fastening blocks (30) through threads.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210797082.1A CN115165177B (en) | 2022-07-06 | 2022-07-06 | Belt pulley type wireless torque measuring sensor for rotary shaft system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210797082.1A CN115165177B (en) | 2022-07-06 | 2022-07-06 | Belt pulley type wireless torque measuring sensor for rotary shaft system |
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| CN115165177A true CN115165177A (en) | 2022-10-11 |
| CN115165177B CN115165177B (en) | 2023-06-20 |
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