CN111795768A - Force sensor for measuring pulling pressure of action rod of turnout switch machine - Google Patents
Force sensor for measuring pulling pressure of action rod of turnout switch machine Download PDFInfo
- Publication number
- CN111795768A CN111795768A CN202010605637.9A CN202010605637A CN111795768A CN 111795768 A CN111795768 A CN 111795768A CN 202010605637 A CN202010605637 A CN 202010605637A CN 111795768 A CN111795768 A CN 111795768A
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- Prior art keywords
- plate ring
- switch machine
- hole
- force
- force sensor
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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
- G01L5/0004—Force transducers adapted for mounting in a bore of the force receiving structure
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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
- G01L5/0028—Force sensors associated with force applying means
-
- 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
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a force sensor for measuring the pulling pressure of an action rod of a turnout switch machine, which comprises a plate ring, wherein one end of the plate ring is fixedly provided with a force measurement sensing element, the force measurement sensing element is electrically connected with a signal processing circuit, the signal processing circuit is arranged in a circuit protection shell, the circuit protection shell is arranged on the plate ring, and the upper surface and the lower surface of the plate ring are provided with teeth. The side wall of the circuit protection shell is provided with a metal waterproof connector, and the metal waterproof connector is connected to a cable; the invention is connected and fixed with the adjustable joint iron and the non-adjustable joint iron of the action rod of the turnout switch machine through the through hole at the non-adjustable mounting position, the elliptical hole at the adjustable mounting position and the teeth on the upper part and the lower part of the plate ring, directly detects the tension and the pressure of the action rod of the switch machine on line in real time, and is suitable for being used in severe environments such as high-frequency vibration, high-temperature and low-temperature and the like.
Description
Technical Field
The invention relates to the technical field of detection of the pulling pressure of an action rod of a turnout switch machine, in particular to a force sensor for measuring the pulling pressure of the action rod of the turnout switch machine.
Background
The switch machine is the most common equipment in the railway and is also the very key core equipment, and the monitoring requirements on the switch machine are more and more along with the construction and development of the railway. At present, the pulling pressure of an action rod of a turnout switch machine is not measured by a direct monitoring device, the force value is converted by indirect measurement of other auxiliary devices, the error is very large in general conversion, and the finally calculated conversion force value is influenced by different calculation modes, different conversion value objects and the like. The invention realizes the on-line direct detection of the pulling pressure of the action rod of the turnout switch machine, ensures the normal work of the action rod of the switch machine and ensures the running safety of a train.
Disclosure of Invention
The invention provides a force sensor for measuring the pulling pressure of an action rod of a turnout switch machine, aiming at realizing the on-line direct detection of the pulling pressure of the action rod of the turnout switch machine, ensuring the normal work of the action rod of the switch machine and ensuring the running safety of a train, and the specific technical scheme is as follows:
a force sensor for measuring the pulling pressure of an action rod of a turnout switch machine comprises a plate ring, wherein a force measurement sensing element is fixedly arranged at one end of the plate ring and is electrically connected to a signal processing circuit, the signal processing circuit is arranged in a circuit protection shell, the circuit protection shell is arranged on the plate ring, and teeth are arranged on the upper surface and the lower surface of the plate ring.
The side wall of the circuit protection shell is provided with a metal waterproof connector, and the metal waterproof connector is connected to a cable;
a through hole is formed in one side, opposite to the circuit protection shell, of the plate ring, and the force sensor is connected to the outer locking end of the action rod of the turnout switch machine through the through hole in the mounting position;
and the other side of the plate ring, which is opposite to the circuit protection shell, is provided with an elliptical hole, and the plate ring is connected between the non-adjustable joint iron and the adjustable joint iron of the rutting machine action rod through the elliptical hole.
Further, the elliptical holes are two.
Furthermore, the through hole is circular, the elliptical hole is long banding elliptical structure, and long banding elliptical hole structure can adjust the mounted position between the elliptical hole, circular through hole is the unadjustable mounted position hole.
Further, the tooth distributes between two elliptical holes, and the tooth through tooth and the non-adjustable joint iron of switch point machine and the tooth of adjustable joint iron carries out the interlock fixed, and the joint strength of adjustable joint iron, force sensor and non-adjustable joint iron is strengthened in the interlock, avoids sliding, relaxes and the circumstances such as drop to take place.
Furthermore, the measuring force value range of the force sensor is between 0.2kN and 50 kN.
Furthermore, component force bulges are arranged at the positions of the bottom of the plate ring relative to the two elliptical holes.
Furthermore, two sides of the plate ring relative to the circuit protection shell are respectively provided with a stress deformation groove.
By adopting the technical scheme, the method has the following beneficial effects:
the invention is connected and fixed with the adjustable joint iron and the non-adjustable joint iron of the action rod of the turnout switch machine through the through hole at the non-adjustable mounting position, the elliptical hole at the adjustable mounting position and the teeth on the upper part and the lower part of the plate ring, directly detects the tension and the pressure of the action rod of the switch machine on line in real time, and is suitable for being used in severe environments such as high-frequency vibration, high-temperature and low-temperature and the like.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the installation structure of the present invention in a use state;
in the figure: 1-plate ring; 2-teeth; 3-elliptical hole; 4-a stress deformation groove; 5-a force measuring sensing element; 6-a signal processing circuit; 7-a circuit protection housing; 8-a through hole; 9-metal waterproof joints; 10-a cable; 11-component force is convex.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1: the force sensor for measuring the pulling pressure of the action rod of the turnout switch machine shown in fig. 1-3 comprises a plate ring 1, wherein a force measuring sensing element 5 is fixedly arranged at one end of the plate ring 1, the force measuring sensing element 5 is electrically connected to a signal processing circuit 6, the signal processing circuit 6 is arranged in a circuit protection shell 7, the circuit protection shell 7 is arranged on the plate ring 1, and teeth 2 are arranged on the upper surface and the lower surface of the plate ring 1.
The side wall of the circuit protection shell 7 is provided with a metal waterproof connector 9, and the metal waterproof connector 9 is connected to a cable 10;
a through hole 8 is formed in one side, opposite to the circuit protection shell 7, of the plate ring 1, and the force sensor is connected to the outer locking end of the action rod of the turnout switch machine through the through hole 8 at the installation position;
the other side of the plate ring 1 relative to the circuit protection shell 7 is provided with an elliptical hole 3, and the plate ring is connected between the non-adjustable joint iron and the adjustable joint iron of the moving rod of the rutting machine through the elliptical hole 3.
The elliptical holes 3 are provided with two.
The through hole 8 is circular, elliptical hole 3 is long banding oval structure, and long banding elliptical hole 3 structure can adjust the mounted position between elliptical hole 3, circular shape through hole 8 is the mounting position hole that can not adjust. The elliptical hole 3 can adjust the installation position of the force sensor according to the installation positions of the adjustable joint iron and the non-adjustable joint iron of the switch machine action rod, so that the installation positions of the force sensor, the adjustable joint iron and the non-adjustable joint iron are consistent, and different installation working condition requirements are met.
The measuring force value range of the force sensor is between 0.2kN and 50kN, and the force sensor is suitable for measuring the pulling pressure of the action rod of the turnout switch machine of various types.
The bottom of the plate ring 1 is provided with component force protrusions 11 at positions corresponding to the two elliptical holes 3. The component force bulge 11 is a special component force structure, so that the force sensor can avoid the stress interference of the adjustable joint iron when working, and the pull pressure value of the action rod of the turnout switch machine can be accurately measured.
Two sides of the plate ring 1, which are opposite to the circuit protection shell 7, are respectively provided with a stress deformation groove 4.
When the invention is used specifically, when the force sensor is under the action of the action rod of the turnout switch machine, the force measuring sensing element 5 senses the stress value and outputs an electric signal, the electric signal is transmitted into the signal processing circuit 6, the electric signal is converted into a general standard electric signal for transmission and collection, and the signal is output into the rear-end signal receiving equipment through the cable 10. The cable 10 is fixed on the circuit protection shell 7 through the metal waterproof connector 9, and the circuit protection shell 7 and the metal waterproof connector 9 can prevent impurities such as dust, liquid and the like from entering the signal processing circuit 6 and the force measuring sensing element 5.
The force-measuring sensing element 5 is fixed in the plate ring 1 to detect the stress condition of the plate ring 1, the force-measuring sensing element 5 is connected and conducted with the signal processing circuit 6, and a measuring signal of the force-measuring sensing element 5 is converted into a standard electric signal through the signal processing circuit 6; the signal processing circuit 6 is fixed in the circuit protection shell 7, the circuit protection shell 7 protects the signal processing circuit 6 and the force measuring sensing element 5 from impurities such as dust and water, the normal work of the force sensor is ensured, and the circuit protection shell 7 is fixedly arranged on the plate ring 1; the cable 10 is fixed on the circuit protection shell 7 through the metal waterproof connector 9, and the metal waterproof connector 9 and the circuit protection shell 7 can prevent impurities such as dust, liquid and the like from entering the signal processing circuit 6 and the force measuring sensing element 5. The non-adjustable mounting position hole (through hole 8), the elliptical hole 3 with the adjustable mounting position and the tooth 2 are connected and fixed with the non-adjustable joint iron and the adjustable joint iron on the action rod of the turnout switch machine, when the action rod of the turnout switch machine is stressed in the working process, the power sensor is driven to bear the force together, the interference force generated by the adjustable joint iron of the turnout switch machine when the force sensor is used for measuring is avoided through the component force special structure of the force sensor, and the signal generated by the stress is output to the signal receiving equipment of a user through the cable 10.
The force sensor plate ring 1 is of a main body structure, and a force measuring sensing element 5 and a signal processing circuit 6 are fixed on the plate ring 1. The force sensor is connected to the outer locking end of the action rod of the turnout switch machine close to the track through an unadjustable mounting position hole, namely a through hole 8; and then the elliptical hole 3 with the adjustable installation position on the sensor is connected between the non-adjustable joint iron and the adjustable joint iron of the action rod of the turnout switch machine, and the elliptical hole 3 with the adjustable installation position can adjust the installation position of the force sensor according to the installation positions of the adjustable joint iron and the non-adjustable joint iron of the action rod of the turnout switch machine, so that the force sensor is consistent with the installation positions of the adjustable joint iron and the non-adjustable joint iron, and different installation working condition requirements are met. Tooth 2 carries out the interlock in advance with the tooth 2 of the non-adjustable joint iron of switch goat and adjustable joint iron fixed, and during real-time online direct detection, the interlock of tooth 2 can strengthen the bonding strength of adjustable joint iron, force sensor and non-adjustable joint iron, avoids sliding, and the condition such as lax and drop takes place. The force measuring sensing element 5 detects the force value of the action rod in real time and generates an electric signal, the electric signal is transmitted to the signal processing circuit 6 and converted into a universal standard electric signal, and the universal standard electric signal is transmitted to the rear-end signal receiving equipment through the cable 10.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A force sensor for measuring the pulling pressure of an action rod of a turnout switch machine comprises a plate ring and is characterized in that a force measuring sensing element is fixedly arranged at one end of the plate ring and is electrically connected to a signal processing circuit, the signal processing circuit is arranged in a circuit protection shell, the circuit protection shell is arranged on the plate ring, and teeth are arranged on the upper surface and the lower surface of the plate ring;
the side wall of the circuit protection shell is provided with a metal waterproof connector, and the metal waterproof connector is connected to a cable;
a through hole is formed in one side, opposite to the circuit protection shell, of the plate ring, and the force sensor is connected to the outer locking end of the action rod of the turnout switch machine through the through hole in the mounting position;
and the other side of the plate ring, which is opposite to the circuit protection shell, is provided with an elliptical hole, and the plate ring is connected between the non-adjustable joint iron and the adjustable joint iron of the rutting machine action rod through the elliptical hole.
2. The force sensor for measuring the pulling pressure of the actuating rod of a switch machine as claimed in claim 1, wherein there are two said oblong holes.
3. The force transducer of claim 1, wherein the through hole is circular, the oblong hole is an elongated oblong structure, the elongated oblong hole structure allows for adjustable mounting positions between the oblong holes, and the circular through hole is a non-adjustable mounting position hole.
4. The force transducer for measuring the pulling pressure of the actuating rod of a switch machine as claimed in claim 1, wherein said teeth are distributed between two oblong holes and fixed by the teeth engaging with the teeth of the non-adjustable joint iron and the adjustable joint iron of the switch machine, the engagement strengthens the bonding strength of the adjustable joint iron, the force transducer and the non-adjustable joint iron, and avoids the occurrence of slipping, slackening and falling off.
5. The force sensor for measuring the pulling force of the actuating rod of the switch machine as claimed in claim 1, wherein the force sensor measures a force value ranging from 0.2kN to 50 kN.
6. The force sensor for measuring the pulling pressure of the actuating rod of a switch machine as claimed in claim 1, wherein the bottom of said plate ring is provided with a component protrusion corresponding to the position of the two oblong holes.
7. The force sensor for measuring the pulling pressure of the actuating rod of a switch machine as claimed in claim 1, wherein said plate ring is provided with force deformation grooves on both sides relative to the circuit protection casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605637.9A CN111795768A (en) | 2020-06-29 | 2020-06-29 | Force sensor for measuring pulling pressure of action rod of turnout switch machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605637.9A CN111795768A (en) | 2020-06-29 | 2020-06-29 | Force sensor for measuring pulling pressure of action rod of turnout switch machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111795768A true CN111795768A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010605637.9A Pending CN111795768A (en) | 2020-06-29 | 2020-06-29 | Force sensor for measuring pulling pressure of action rod of turnout switch machine |
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| CN (1) | CN111795768A (en) |
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