CN112985342A - Rail wheel inclination monitoring device - Google Patents
Rail wheel inclination monitoring device Download PDFInfo
- Publication number
- CN112985342A CN112985342A CN202110203238.4A CN202110203238A CN112985342A CN 112985342 A CN112985342 A CN 112985342A CN 202110203238 A CN202110203238 A CN 202110203238A CN 112985342 A CN112985342 A CN 112985342A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 29
- 238000006073 displacement reaction Methods 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000013459 approach Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to the technical field of rail wheel monitoring, and particularly discloses a rail wheel inclination monitoring device which comprises a support, telescopic mechanisms, a displacement sensor, a processor and a prompting piece, wherein at least two telescopic mechanisms are arranged on the support at intervals in the vertical direction; one end of the telescopic mechanism can be contacted with the wheel; the displacement sensors are respectively corresponding to the two telescopic mechanisms and used for monitoring the displacement generated by the other end of each telescopic mechanism; the processor is used for receiving the data monitored by the displacement sensor and calculating the inclination of the wheel; the prompting piece is connected with the processor and is configured to give a prompt when the inclination degree reaches a preset value. According to the invention, the positions of the wheels at two different heights are monitored through the telescopic mechanism, the displacement sensor detects the displacement of the telescopic mechanism and transmits the displacement to the processor, and the processor processes the received data, calculates the inclination of the wheels and gives a prompt through the prompt piece.
Description
Technical Field
The invention relates to the technical field of rail wheel monitoring, in particular to a rail wheel inclination monitoring device.
Background
The rail car is widely applied to mines and docks and used for transporting materials such as chemical engineering and steel, wherein when a sintering machine or a ring cooling machine trolley runs along a rail, the rail wheel is affected by temperature, lubrication, load, rail gnawing and the like, a bearing is easy to wear or damage, the wheel inclines in the running process, major equipment hidden danger can be caused if the wheel is not found in time, and the smooth production is seriously affected.
At present, need the manual work to inspect it at rail wheel operation in-process, because the detection position is narrow and small, need the measurement personnel to go deep into the inboard and go to observe, there is safe risk in this process, and because the secret nature of trouble is high, is difficult for discovering whether the wheel takes place the slope.
Disclosure of Invention
The invention aims to provide a rail wheel inclination monitoring device to solve the problem of safety risk in a wheel detection process.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a rail wheel inclination monitoring device, comprising:
a support seat is arranged on the base seat,
the at least two telescopic mechanisms are arranged on the support at intervals along the vertical direction; one end of the telescopic mechanism can be contacted with the wheel;
the displacement sensors are respectively corresponding to the two telescopic mechanisms and are used for monitoring the displacement generated by the other end of each telescopic mechanism;
the processor is used for receiving the data monitored by the displacement sensor and calculating the inclination of the wheel;
a prompt connected to the processor, the prompt configured to prompt when the inclination reaches a preset value.
As a preferred scheme of the rail wheel inclination monitoring device, the telescopic mechanism comprises a telescopic cylinder, a telescopic rod and an elastic member, the telescopic cylinder is fixedly arranged on the support, the telescopic rod penetrates through the telescopic cylinder, and the elastic member is arranged between the telescopic cylinder and the telescopic rod and used for enabling the telescopic rod to be close to the wheel; one end of the telescopic rod can be in contact with the wheel; the displacement sensor is used for detecting the axial displacement generated by the other end of the telescopic rod.
As an optimal scheme of a rail wheel inclination monitoring device, the telescopic link interval is equipped with first stop part and second stop part, the second stop part is located the telescopic cylinder outside, the external diameter of second stop part is greater than the internal diameter of telescopic cylinder, the elastic component is the spring, the spring housing is located telescopic link and butt in first stop part with between the telescopic cylinder.
As a preferred scheme of the rail wheel inclination monitoring device, the telescopic rod is of a screw rod structure, and the first stop part and the second stop part are both nuts.
As a preferable scheme of the rail wheel inclination monitoring device, a contact guide wheel is arranged at the end, close to the wheel, of the telescopic rod, and the contact guide wheel can run along the end face of the wheel.
As an optimal scheme of a rail wheel inclination monitoring devices, the telescopic link is equipped with the screw thread, the telescopic link spiro union has adjusting nut, adjusting nut is located the telescopic cylinder outside, adjusting nut's external diameter is greater than the internal diameter of telescopic cylinder, and one end can with the terminal surface butt of telescopic cylinder.
As a preferable scheme of the rail wheel inclination monitoring device, the two telescopic mechanisms are respectively positioned at two sides of a central line of the wheel.
As a preferred version of a railway wheel inclination monitoring device, one of the two telescoping mechanisms is located above the centreline of the wheel and at a distance of two thirds of the wheel radius from the centreline; the other is located below the centerline of the wheel and is two-thirds of the wheel radius from the centerline.
As a preferable aspect of the rail wheel inclination monitoring device, the prompting member includes a display screen configured to display a failure when the inclination of the wheel reaches a preset value.
As a preferable aspect of the rail wheel inclination monitoring device, the prompting member includes a horn configured to give an alarm when the inclination of the wheel reaches a preset value.
The invention has the beneficial effects that:
the invention provides a rail wheel inclination monitoring device, which detects two positions of wheels at different heights through a telescopic mechanism, wherein the telescopic mechanism generates axial displacement in the detection process, a displacement sensor monitors the axial displacement of the telescopic mechanism and transmits the monitored data to a processor, and the processor calculates the inclination of the wheels and gives a prompt for the inclination condition of the wheels through a prompting piece.
Drawings
FIG. 1 is a schematic diagram of a railway wheel inclination monitoring apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a telescopic mechanism in an embodiment of the present invention.
In the figure:
1. a support;
2. a telescoping mechanism; 21. a telescopic cylinder; 22. a telescopic rod; 23. a spring; 24. a first stopper; 25. a second stopper; 26. adjusting the nut; 27. a contact guide wheel;
3. a displacement sensor; 31. a wire;
4. a processor;
5. a prompt;
100. a track; 200. and (7) wheels.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example one
As shown in fig. 1-2, the present embodiment provides a railway wheel inclination monitoring device, which includes a support 1, telescopic mechanisms 2, a displacement sensor 3, a processor 4 and a prompting component 5, wherein at least two telescopic mechanisms 2 are disposed on the support 1 at intervals along a vertical direction; one end of the telescopic mechanism 2 can be contacted with the wheel 200; the at least two displacement sensors 3 correspond to the two telescopic mechanisms 2 respectively, and the displacement sensors 3 are used for monitoring displacement generated by the other ends of the telescopic mechanisms 2; the processor 4 is used for receiving the data monitored by the displacement sensor 3 and calculating the inclination of the wheel 200 according to the data monitored by the displacement sensor 3; a prompt 5 is connected to the processor 4, the prompt 5 being configured to prompt when the inclination reaches a preset value.
The wheel 200 can reflect whether the wheel 200 inclines or not at two positions in the vertical direction, in the operation process, the wheel 200 is in contact with the telescopic mechanism 2 of the track wheel inclination monitoring device, the telescopic mechanism 2 generates certain displacement according to two positions with different heights of the wheel 200, the displacement sensor 3 arranged at the other end of the telescopic mechanism 2 transmits data to the processor 4 after monitoring the displacement change, the processor 4 calculates the inclination of the wheel 200 and gives a prompt for the inclination condition of the wheel 200 through the prompt piece 5, wherein the data detected by the two displacement sensors 3 are different, and the phenomenon that the wheel 200 inclines is explained. The two telescopic mechanisms 2 are aligned with the contact ends of the wheels 200 in the same vertical direction, so that the accuracy of data is ensured.
Generally, when inspecting the wheel 200, a worker needs to extend his head to see the gap between the inner side of the wheel 200 and the labyrinth cover to judge the state of the wheel 200, and the inspection during operation has a great potential safety hazard. The difficult point that the blind area detected has also been solved in this setting, and the liberation manpower detects, avoids the risk that the staff appears in testing process, improves degree of automation.
Optionally, the processor 4 is connected to the displacement sensor 3 by a wire 31. The processor 4 may be a PLC control system.
Regarding the telescopic mechanism 2, in the present embodiment, specifically, the telescopic mechanism 2 includes a telescopic cylinder 21, a telescopic rod 22 and an elastic member, the telescopic cylinder 21 is fixedly disposed on the support 1, the telescopic rod 22 is disposed through the telescopic cylinder 21 and can move along an axis of the telescopic cylinder 21, and the elastic member is disposed between the telescopic cylinder 21 and the telescopic rod 22 and is used for enabling the telescopic rod 22 to approach the wheel 200; one end of the telescopic rod 22 can be contacted with the wheel 200; the displacement sensor 3 is used for detecting the axial displacement generated by the other end of the telescopic rod 22. The arrangement structure is simple, the two positions of the wheel 200 in the vertical direction in the running process can be detected, and when the axial displacements of the two telescopic rods 22 detected by the two displacement sensors 3 in the passing process of the wheel 200 are the same, the wheel 200 is not inclined in the running process; otherwise, a tilt occurs.
Optionally, the telescopic cylinder 21 is square, and the telescopic rod 22 is also square, so that the telescopic rod 22 can not rotate around itself during the telescopic process. In other embodiments, the telescopic tube 21 may be provided with a guide slot, and the telescopic rod 22 is provided with a corresponding guide block, which can slide along the guide slot.
Preferably, the telescopic rod 22 is provided with a first stop member 24 and a second stop member 25 at an interval, the second stop member 25 is located outside the telescopic tube 21, the outer diameter of the second stop member 25 is larger than the inner diameter of the telescopic tube 21, the elastic member is a spring 23, and the spring 23 is sleeved on the telescopic rod 22 and is abutted between the first stop member 24 and the telescopic tube 21. Optionally, the spring 23 is a compression spring, and the telescopic rod 22 approaches the wheel 200 under the action of the elastic force. The second stop 25 prevents the telescopic rod 22 from disengaging from the telescopic cylinder 21 by the elastic member.
For convenience of design and assembly, in the present embodiment, the telescopic rod 22 is optionally a screw structure, and the first stop member 24 and the second stop member 25 are both nuts. Specifically, the outer diameter of the first stopper 24 is smaller than the inner diameter of the telescopic cylinder 21. Of course, in other embodiments, the outer diameter of the first stopper 24 may be larger than the inner diameter of the telescopic cylinder 21, and the first stopper 24 is located outside the telescopic cylinder 21. The arrangement is simple in structure and convenient for installation of the telescopic rod 22 and the telescopic cylinder 21. Of course, in other embodiments, the first stop member 24 and/or the second stop member 25 may also be a pin, and the pin is inserted into a pin hole provided in the telescopic rod 22.
Optionally, the telescopic rod 22 is provided with a contact guide wheel 27 near the end of the wheel 200, the contact guide wheel 27 can run along the end surface of the wheel 200, the tangential direction of the contact guide wheel 27 is consistent with the movement direction of the wheel 200, and the axial direction of the rotating shaft of the contact guide wheel 27 is perpendicular to the axial direction of the rail 100 and perpendicular to the axial direction of the wheel 200. This setting makes wheel 200 operation in-process, is rolling friction when contacting with telescopic link 22, is favorable to improving telescopic link 22's life, also is favorable to avoiding wheel 200 to be by the fish tail.
Furthermore, the telescopic rod 22 is provided with threads, the telescopic rod 22 is screwed with an adjusting nut 26, the adjusting nut 26 is positioned outside the telescopic cylinder 21, the outer diameter of the adjusting nut 26 is larger than the inner diameter of the telescopic cylinder 21, and one end of the adjusting nut can be abutted against the end face of the telescopic cylinder 21. This setting makes can adjust the relative position between telescopic link 22 and the telescopic tube 21 in the installation of telescopic link 22 and telescopic tube 21, has reduced design and manufacturing accuracy, reduce cost.
In an embodiment, the displacement sensor 3 is a non-contact sensor, and a certain distance is maintained between the telescopic rod 22 and the displacement sensor 3 in the axial direction, so as to prevent the telescopic rod 22 from colliding with the displacement sensor 3 to damage the displacement sensor 3 during the movement process.
In other embodiments, the displacement sensor 3 may also be a contact sensor, and at this time, the length of the telescopic rod 22 may be adjusted to ensure that one end of the telescopic rod 22 is always in contact with the displacement sensor 3.
Regarding the position of the telescopic mechanism 2, in the present embodiment, optionally, two telescopic mechanisms 2 are respectively located on both sides of the center line of the wheel 200. Specifically, one of the two telescoping mechanisms 2 is located above the center line of the wheel 200 and is two thirds of the radius of the wheel 200; the other is located below the centerline of the wheel 200 and is located at a distance of two-thirds of the radius of the wheel 200. This setting makes the distance between two telescopic machanism 2 great, and when the vehicle took place to incline, the displacement difference that two telescopic machanism 2 produced was great, and two displacement sensor 3 are changeed and are measured different displacement volume, reduce displacement sensor 3's precision, reduce cost. Of course, in other embodiments, the distance of the telescopic mechanism 2 from the centre line of the wheel 200 may be four fifths of the radius of the wheel 200.
In order to prompt the operator when the vehicle is inclined, in this embodiment, optionally, the prompting component 5 includes a display screen, and the display screen is configured to display a fault when the inclination of the wheel 200 reaches a preset value, and display the real-time inclination of the wheel 200 when the inclination of the wheel 200 does not reach the preset value. This arrangement can provide a prompt for the inclination data of the wheel 200 to alert the operator in the control room to the appropriate operation.
Example two
The present embodiment provides a rail wheel inclination monitoring device, which is substantially the same as the first embodiment except that the prompting member 5 further comprises a horn configured to give an alarm to prompt a worker when the inclination of the wheel 200 reaches a preset value.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A rail wheel inclination monitoring device, comprising:
a support (1),
the telescopic mechanisms (2), at least two telescopic mechanisms (2) are arranged on the support (1) at intervals along the vertical direction; one end of the telescopic mechanism (2) can be contacted with the wheel (200);
the displacement sensors (3), at least two of the displacement sensors (3) correspond to the two telescopic mechanisms (2) respectively, and the displacement sensors (3) are used for monitoring the displacement generated by the other ends of the telescopic mechanisms (2);
a processor (4), wherein the processor (4) is used for receiving the data monitored by the displacement sensor (3) and calculating the inclination of the wheel (200);
a prompt (5), the prompt (5) being connected to the processor (4), the prompt (5) being configured to prompt when the inclination reaches a preset value.
2. The railway wheel inclination monitoring device according to claim 1, wherein the telescopic mechanism (2) comprises a telescopic cylinder (21), a telescopic rod (22) and an elastic member, the telescopic cylinder (21) is fixedly arranged on the support (1), the telescopic rod (22) is arranged through the telescopic cylinder (21), and the elastic member is arranged between the telescopic cylinder (21) and the telescopic rod (22) and used for enabling the telescopic rod (22) to approach the wheel (200); one end of the telescopic rod (22) can be in contact with the wheel (200); the displacement sensor (3) is used for detecting the axial displacement generated by the other end of the telescopic rod (22).
3. The railway wheel inclination monitoring device according to claim 2, wherein the telescopic rod (22) is provided with a first stop member (24) and a second stop member (25) at intervals, the second stop member (25) is located at the outer side of the telescopic tube (21), the outer diameter of the second stop member (25) is larger than the inner diameter of the telescopic tube (21), the elastic member is a spring (23), and the spring (23) is sleeved on the telescopic rod (22) and abuts between the first stop member (24) and the telescopic tube (21).
4. Railway wheel inclination monitoring device according to claim 3, characterized in that said telescopic rod (22) is of screw structure and said first stop (24) and said second stop (25) are both nuts.
5. Railway wheel inclination monitoring device according to claim 2, characterized in that the telescopic rod (22) is provided with a contact guide wheel (27) near the wheel (200) end, the contact guide wheel (27) being able to run along the end face of the wheel (200).
6. The railway wheel inclination monitoring device according to claim 2, wherein the telescopic rod (22) is provided with a thread, the telescopic rod (22) is screwed with an adjusting nut (26), the adjusting nut (26) is positioned outside the telescopic cylinder (21), the outer diameter of the adjusting nut (26) is larger than the inner diameter of the telescopic cylinder (21), and one end of the adjusting nut can be abutted with the end face of the telescopic cylinder (21).
7. Railway wheel inclination monitoring device according to claim 1, characterized in that two telescoping mechanisms (2) are located on either side of the centre line of the wheel (200).
8. Railway wheel inclination monitoring device according to claim 7, characterized in that one of the two telescoping mechanisms (2) is located above the centre line of the wheel (200) and at a distance of two thirds of the radius of the wheel (200); the other is located below the centerline of the wheel (200) and at a distance of two-thirds of the radius of the wheel (200).
9. The railway wheel inclination monitoring device according to claim 1, characterized in that said prompt (5) comprises a display screen configured to display a fault when the inclination of said wheel (200) reaches a preset value.
10. The rail wheel inclination monitoring device according to any one of claims 1-9, wherein said prompting means (5) comprises a horn configured to sound an alarm when the inclination of said wheel (200) reaches a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203238.4A CN112985342A (en) | 2021-02-23 | 2021-02-23 | Rail wheel inclination monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203238.4A CN112985342A (en) | 2021-02-23 | 2021-02-23 | Rail wheel inclination monitoring device |
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| Publication Number | Publication Date |
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| CN112985342A true CN112985342A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110203238.4A Pending CN112985342A (en) | 2021-02-23 | 2021-02-23 | Rail wheel inclination monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117105093A (en) * | 2023-08-17 | 2023-11-24 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Crane wheel synchronous state monitoring device and monitoring method thereof |
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| JP2011163981A (en) * | 2010-02-10 | 2011-08-25 | East Japan Railway Co | Attack-angle measuring device and method |
| CN203382437U (en) * | 2013-06-29 | 2014-01-08 | 长治市同诚机械有限公司 | Winch cable traction displacement sensing and monitoring device |
| CN107869947A (en) * | 2017-12-08 | 2018-04-03 | 合肥霞康电子商务有限公司 | A kind of dolly for being used to detect surface evenness |
| CN109737909A (en) * | 2019-01-15 | 2019-05-10 | 周桂兵 | A kind of intelligent Thickness measuring instrument of optical mirror slip production |
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2021
- 2021-02-23 CN CN202110203238.4A patent/CN112985342A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011163981A (en) * | 2010-02-10 | 2011-08-25 | East Japan Railway Co | Attack-angle measuring device and method |
| CN203382437U (en) * | 2013-06-29 | 2014-01-08 | 长治市同诚机械有限公司 | Winch cable traction displacement sensing and monitoring device |
| CN107869947A (en) * | 2017-12-08 | 2018-04-03 | 合肥霞康电子商务有限公司 | A kind of dolly for being used to detect surface evenness |
| CN109737909A (en) * | 2019-01-15 | 2019-05-10 | 周桂兵 | A kind of intelligent Thickness measuring instrument of optical mirror slip production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117105093A (en) * | 2023-08-17 | 2023-11-24 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Crane wheel synchronous state monitoring device and monitoring method thereof |
| CN117105093B (en) * | 2023-08-17 | 2024-05-07 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Crane wheel synchronous state monitoring device and monitoring method thereof |
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Application publication date: 20210618 |