CN116176646A - Automatic detection device and detection method for coupler coupling state - Google Patents
Automatic detection device and detection method for coupler coupling state Download PDFInfo
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- CN116176646A CN116176646A CN202310221790.5A CN202310221790A CN116176646A CN 116176646 A CN116176646 A CN 116176646A CN 202310221790 A CN202310221790 A CN 202310221790A CN 116176646 A CN116176646 A CN 116176646A
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 230000008878 coupling Effects 0.000 title claims abstract description 16
- 238000010168 coupling process Methods 0.000 title claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000001960 triggered effect Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- 235000012149 noodles Nutrition 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
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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
- G01B21/16—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 distance of clearance between spaced objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention discloses an automatic detection device and a detection method for a coupling state of a coupler, comprising the following steps: the first sensing unit is arranged on the coupler body and is used for detecting the deflection state of the uncoupling handle on the coupler body; the second sensing unit is arranged at the connecting end face of the coupler body and is used for detecting the contact state of the connecting end faces between the two butt-joint coupler bodies; and the controller is electrically connected with the first sensing unit and the second sensing unit, and judges the coupler state on the coupler body through the deflection state of the uncoupling handle and the contact state of the connecting end face. Compared with the prior art, the invention has the beneficial effects that: the coupler state can be automatically detected and fed back in real time when the coupler is connected and disconnected, manual intervention is not needed, the detection precision is high, the response is rapid, and the reliability is high.
Description
Technical Field
The invention belongs to the technical field of coupler coupling of railway vehicles, and particularly relates to an automatic coupler coupling state detection device and method.
Background
The traditional rail vehicle needs to confirm the state of linking or unbinding manually when linking and unbinding, the operation flow is tedious, the time consumption is long, part of working conditions do not have personnel observation conditions, personnel accidental injury can occur in the operation process, the market has higher and higher requirements on the timeliness of transportation along with the increase of the transportation demand, and the manual operation cannot meet the requirements.
Disclosure of Invention
The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the other features, objects, and advantages of the present application.
The invention provides an automatic detection device and a detection method for the coupler coupling state, which can automatically detect and feed back the coupler state in real time when the coupler is coupled and uncoupled, and do not need manual intervention, and have the advantages of high detection precision, quick response and high reliability.
The invention discloses an automatic detection device for a coupling state of a coupler, which comprises the following components:
the first sensing unit is arranged on the coupler body and is used for detecting the deflection state of the uncoupling handle on the coupler body;
the second sensing unit is arranged at the connecting end face of the coupler body and is used for detecting the contact state of the connecting end faces between the two butt-joint coupler bodies;
and the controller is electrically connected with the first sensing unit and the second sensing unit, and judges the coupler state on the coupler body through the deflection state of the uncoupling handle and the contact state of the connecting end face.
In some embodiments, the controller is connected in series with the first sensing unit and the second sensing unit.
In some embodiments, the first sensing unit includes:
the rotating shaft is rotationally arranged on the coupler body; one end of the rotating shaft is provided with a connecting plate, and the other end of the rotating shaft is provided with a first sensor sensing piece;
the connecting rod is hinged between the connecting plate and a uncoupling handle on the coupler body;
the first sensor is arranged on one side of the first sensor sensing piece and is used for sensing the deflection state of the first sensor sensing piece and generating a signal.
In some embodiments, the first sensor is a contact limit switch; the first sensor sensing piece is a cam; the contact limit switch is abutted with the cam.
In some embodiments, the first sensor is a non-contact sensor.
In some embodiments, the second sensing unit includes:
the second sensor and the second sensor triggering mechanism are bilaterally symmetrical along the central line of the coupler body.
In some embodiments, the second sensor triggering mechanism includes:
the sleeve is of an inner hollow structure, and an opening is formed in the outer end of the sleeve;
the trigger block is arranged in the sleeve, and the protruding part of the trigger block penetrates through the opening of the sleeve;
the pressure spring is arranged between the sleeve and the trigger block;
the second sensor is a contact limit switch.
In some embodiments, further comprising:
the sensor opening and the triggering mechanism opening are formed in the connecting end face;
the second sensor and the second sensor triggering mechanism are both arranged at the inner end of the connecting end face; a second sensor connector on the second sensor is arranged at the sensor opening; the trigger block is arranged at the opening of the trigger mechanism.
In some embodiments, an outer end face of the second sensor tab on the second sensor is located at an inner end of the hitch end face; the outer end face of the trigger block is positioned at the outer end of the connecting end face.
In some embodiments, the second sensor is a non-contact sensor.
In some embodiments, the outer end of the trigger block is provided with a boss; the outer end of the sensor opening is provided with a boss clamping groove; the boss is used for being abutted with a second sensor connector on the other connecting end face; the outer end face of the trigger block is used for being abutted with a boss clamping groove on the other connecting end face.
A detection method using the automatic detection device for the coupling state of a coupler according to any one of the above embodiments:
the first sensing unit and the second sensing unit are both in a triggering state, and the coupler on the coupler body is in a connecting state at the moment;
at least one of the first sensing unit and the second sensing unit is in an un-triggered state, and the coupler on the coupler body is in an unhooked or to-be-hung state.
Compared with the prior art, the invention has the following beneficial effects:
1. the coupler connection state is detected in real time through the sensing unit, and serial structure feedback is adopted, so that the detection accuracy is effectively ensured; meanwhile, the detection mode of the sensing unit is simple and reliable, the installation cost is low, and the response is rapid.
2. The detection of the deflection state of the unhooking handle is realized by the cooperation of the first sensor sensing piece and the first sensor, the sensor can be a non-contact sensor or a contact limit switch, preferably, the cooperation of the contact limit switch and the cam is adopted, the sensor is triggered by a mechanical structure, and thus, a small amount of rotation change can not touch the contact limit switch to emit signals, unnecessary switch state switching is avoided, and the stability of feedback signals is ensured.
3. Specifically, through the cooperation of second sensor and second sensor trigger mechanism, realized the contact state detection to linking the terminal surface, second sensor trigger mechanism can compensate the clearance change of linking the terminal surface in real time simultaneously, has guaranteed the trigger state of second sensor, adaptable detection of different linking clearance coupling simultaneously. Meanwhile, the specific structure of the second sensor triggering mechanism is optimized, the constant triggering force value of the second sensor can be effectively ensured, redundant pressure is supported by the opposite side coupler connecting fine dried noodles, and the service life of the second sensor is effectively prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural diagram of a first sensing unit according to the present invention.
Fig. 3 is a schematic perspective view of the rotating shaft and the cam according to the present invention.
Fig. 4 is a schematic structural diagram of a second sensing unit according to the present invention.
Fig. 5 is a schematic structural view of a second sensor triggering mechanism according to the present invention.
FIG. 6 is a schematic diagram of the control logic of the present invention.
Fig. 7 is a schematic structural diagram of the connection state of the present invention.
Fig. 8 is an enlarged view of fig. 7 a in accordance with the present invention.
Description of the drawings: the device comprises a connecting end face 1, a unhooking handle 2, a first sensor 3, a rotating shaft 4, a cam 5, a connecting rod 6, a connecting plate 7, a spring 8, a controller 9, a second sensor 10, a second sensor connector 11, a sleeve 12, a pressure spring 13, a trigger block 14, a boss 15, a boss clamping groove 16, a sensor hole 17 and a trigger mechanism hole 18.
Detailed Description
The present invention will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
It is apparent that the drawings in the following description are only some examples or embodiments of the present invention, and it is possible for those of ordinary skill in the art to apply the present invention to other similar situations according to these drawings without inventive effort. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the invention can be combined with other embodiments without conflict.
An automatic detection device for a coupler hooking state, comprising: a first sensing unit, a second sensing unit and a controller 9; the first sensing unit is arranged on the coupler body and is used for detecting the deflection state of the uncoupling handle 2 on the coupler body; the second sensing unit is arranged at the connecting end face 1 of the coupler body and is used for detecting the contact state of the connecting end face 1 between the two butt-joint coupler bodies; the controller 9 is electrically connected with the first sensing unit and the second sensing unit, and judges the coupler state on the coupler body through the deflection state of the uncoupling handle 2 and the contact state of the coupling end face 1.
The controller 9 may be electrically connected to the first sensing unit and the second sensing unit in parallel or in series. The parallel logic mode is adopted, and the coupler state on the coupler body can be identified and judged by judging whether the coupler body is in a triggering state or not and then by logic judgment of the controller. Preferably, as shown in fig. 6, the feedback response speed is faster by adopting a serial connection mode, and when either one of the two is in an un-triggered state, the coupler state on the coupler body can be judged to be in an unhooked or to-be-hung state. I.e. the controller 9 is connected in series with the first and the second sensing unit.
In some embodiments, the first sensing unit includes: the rotating shaft 4, the connecting rod 6 and the first sensor 3; the rotating shaft 4 is rotatably arranged on the car coupler body; one end of the rotating shaft 4 is provided with a connecting plate 7, and the other end of the rotating shaft 4 is provided with a first sensor sensing piece; the connecting rod 6 is hinged between a connecting plate 7 and a uncoupling handle 2 on the coupler body; the first sensor 3 is provided at one side of the first sensor sensing member, and generates a signal by sensing a deflection state of the first sensor sensing member.
When the unhooking handle 2 deflects, the rotating shaft 4 is pulled to rotate through the connecting rod 6, so that the first sensor sensing piece at the top end of the unhooking handle is driven to deflect. The first sensor 3 is used for sensing the deflection state of the first sensor sensing member and generating a signal. The first sensor 3 may be a non-contact sensor such as an electromagnetic sensor, a distance sensor, an inclination sensor, a color sensor, or the like.
Preferably, a mechanical contact type triggering structure is adopted, and specifically, the first sensor 3 is a contact type limit switch; the first sensor sensing piece is a cam 5; the contact limit switch is abutted with the cam 5. The cam structure is abutted with the contact type limit switch, and different contact signals are generated by extruding the contact type limit switch during rotation, and the unhooking handle 2 is prevented from shaking to a certain extent in the running process of the vehicle, so that the mechanical triggering structure can be used for effectively avoiding false signals generated due to a small amount of rotation.
In some embodiments, the second sensing unit includes: the second sensor 10 and the second sensor triggering mechanism are bilaterally symmetrical along the central line of the coupler body so as to ensure accurate triggering during coupling, and the structural arrangement can be specifically shown with reference to fig. 7.
The second sensor 10 is used for sensing the contact state of the connecting end face 1 between the two butt coupler bodies through a second sensor triggering mechanism. When the distance between the connecting end faces of the two butting coupler bodies is changed, the state of the coupler at the moment can be judged according to the corresponding set parameters. Wherein the second sensor 10 may use a non-contact sensor, such as a distance sensor.
Preferably, a mechanical contact trigger structure is adopted; specifically, the second sensor triggering mechanism comprises: the trigger device comprises a sleeve 12, a trigger block 14, a pressure spring 13, a sensor opening 17 and a trigger mechanism opening 18; the sleeve 12 is of an inner hollow structure, and an opening is arranged at the outer end of the sleeve; the trigger block 14 is arranged in the sleeve 12, and the protruding part of the trigger block penetrates through the opening of the sleeve 12; the pressure spring 13 is arranged between the sleeve 12 and the trigger block 14; the second sensor 10 is a contact limit switch. The sensor opening 17 and the triggering mechanism opening 18 are formed in the connecting end face 1; the second sensor 10 and the second sensor triggering mechanism are both arranged at the inner end of the connecting end face 1; the second sensor connector 11 on the second sensor 10 is arranged at the sensor opening 17; the trigger block 14 is disposed at the trigger mechanism aperture 18.
Because the contact state of the connecting end face 1 between the two butt-joint coupler bodies can change to a certain extent in the running process of the vehicle, the stability of the trigger block 14 in contact with the second sensor joint 11 can be always ensured through the action of the pressure spring 13, a certain buffer effect is provided, the trigger force value of the second sensor 10 is ensured to be relatively constant, and the service life of the second sensor 10 is effectively prolonged.
Preferably, the outer end surface of the second sensor connector 11 on the second sensor 10 is positioned at the inner end of the connecting end surface 1; the outer end face of the trigger block 14 is located at the outer end of the hitch end face 1. Through the arrangement, the stability of the second sensor 10 during triggering is guaranteed, the impact force of redundant pressure on the second sensor 10 can be effectively reduced, and the redundant pressure can be counteracted through the connecting end face 1 between the two butt joint coupler bodies.
Preferably, a boss 15 is arranged at the outer end of the trigger block 14; the outer end of the sensor opening 17 is provided with a boss clamping groove 16; the boss 15 is used for abutting against the second sensor joint 11 on the other connecting end face 1; the outer end surface of the trigger block 14 is used for abutting against a boss clamping groove 16 on the other connecting end surface 1. The structure of the boss 15 and the boss clamping groove 16 cooperate to further reduce the direct impact force between the trigger block 14 and the second sensor connector 11, thereby protecting the second sensor 10.
The detection method by using the automatic detection device for the coupler hooking state in any embodiment, wherein the first sensing unit and the second sensing unit are both in a trigger state and are conducted with a serial loop formed by the controller 9, and the coupler on the coupler body is in a hooking state at the moment; at least one of the first sensing unit and the second sensing unit is in an un-triggered state and is not conducted with a serial loop formed by the controller, and at the moment, the coupler on the coupler body is in an unhooked or to-be-hung state.
The working principle is as follows:
when the first sensor 3 and the second sensor 10 are both in the non-triggering state or either one of them is in the non-triggering state, the series loop formed by the controller 9 is disconnected, and the vehicle is in a state of waiting to be hung or unhooked.
When the first sensor 3 and the second sensor 10 are both in the triggering state, the series loop formed by the first sensor and the second sensor and the controller 9 is conducted, and the vehicle is in the connecting state.
Preferably, the first sensor 3 and the second sensor 10 are both limit switches; the switching of the on-off state is performed by the change of the trigger state.
The trigger mode of the first sensor 3 is that the unhooking handle 2 deflects, so that the cam 5 is driven to squeeze the first sensor 3, the first sensor 3 sends out corresponding signals, the unhooking handle 2 rotates to a certain extent in a running state of the vehicle, but the rotation amount is small, so that signals are not frequently triggered or error signals are sent out, and the reliability and the accuracy of the signals are guaranteed.
The triggering mode of the second sensor 10 is that the triggering block 14 stretches out of the connecting end face 1 under the action of the pressure spring 13 when the connecting end face is not connected, and the initial state of the second sensor joint 11 is lower than the connecting end face 1, so that the impact force of the connecting end face 1 is avoided. When the coupler is hung, the top of the triggering block 14 touches the other second sensor joint 11 in the approaching process of the two-car hanging end face 1, and the triggering block 14 gradually presses the second sensor joint 11 along with the continuous shrinkage of the hanging gap so as to trigger the second sensor 10. When the vehicle is in a running state, the distance between the coupling end faces 1 can change to a certain extent, and at the moment, under the action of the pressure spring 13, the trigger block 14 continuously stretches out or retracts in the sleeve 12 to compensate the change of the coupling gap, so that the top of the trigger block 14 always presses the second sensor joint 11, the second sensor 10 is kept in a trigger state, and the coupler feedback signal is ensured to be stably transmitted.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic detection device for the coupling state of a coupler, comprising:
the first sensing unit is arranged on the coupler body and is used for detecting the deflection state of the uncoupling handle on the coupler body;
the second sensing unit is arranged at the connecting end face of the coupler body and is used for detecting the contact state of the connecting end faces between the two butt-joint coupler bodies;
and the controller is electrically connected with the first sensing unit and the second sensing unit, and judges the coupler state on the coupler body through the deflection state of the uncoupling handle and the contact state of the connecting end face.
2. The automatic coupler knuckle detection device of claim 1, wherein the controller is connected in series with the first and second sensing units.
3. The automatic coupler knuckle state detection device according to claim 1, wherein the first sensing unit includes:
the rotating shaft is rotationally arranged on the coupler body; one end of the rotating shaft is provided with a connecting plate, and the other end of the rotating shaft is provided with a first sensor sensing piece;
the connecting rod is hinged between the connecting plate and a uncoupling handle on the coupler body;
the first sensor is arranged on one side of the first sensor sensing piece and is used for sensing the deflection state of the first sensor sensing piece and generating a signal.
4. The automatic coupler knuckle detection device of claim 3, wherein the first sensor is a contact limit switch; the first sensor sensing piece is a cam; the contact limit switch is abutted with the cam.
5. The automatic coupler knuckle state detection device according to claim 1, wherein the second sensing unit includes:
the second sensor and the second sensor triggering mechanism are bilaterally symmetrical along the central line of the coupler body.
6. The automatic coupler knuckle detection device of claim 5, wherein the second sensor trigger mechanism comprises:
the sleeve is of an inner hollow structure, and an opening is formed in the outer end of the sleeve;
the trigger block is arranged in the sleeve, and the protruding part of the trigger block penetrates through the opening of the sleeve;
the pressure spring is arranged between the sleeve and the trigger block;
the second sensor is a contact limit switch.
7. The automatic detector for coupler knuckle state of claim 6, further comprising:
the sensor opening and the triggering mechanism opening are formed in the connecting end face;
the second sensor and the second sensor triggering mechanism are both arranged at the inner end of the connecting end face; a second sensor connector on the second sensor is arranged at the sensor opening; the trigger block is arranged at the opening of the trigger mechanism.
8. The automatic detector for coupler knuckle according to claim 7, wherein an outer end surface of the second sensor tab on the second sensor is located at an inner end of the knuckle end surface; the outer end face of the trigger block is positioned at the outer end of the connecting end face.
9. The automatic detection device for the coupling state of the car coupler according to claim 7, wherein a boss is arranged at the outer end of the trigger block; the outer end of the sensor opening is provided with a boss clamping groove; the boss is used for being abutted with a second sensor connector on the other connecting end face; the outer end face of the trigger block is used for being abutted with a boss clamping groove on the other connecting end face.
10. A detection method using the automatic detection device for the coupling state of a coupler according to any one of claims 1 to 9, characterized in that:
the first sensing unit and the second sensing unit are both in a triggering state, and the coupler on the coupler body is in a connecting state at the moment;
at least one of the first sensing unit and the second sensing unit is in an un-triggered state, and the coupler on the coupler body is in an unhooked or to-be-hung state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310221790.5A CN116176646A (en) | 2023-03-09 | 2023-03-09 | Automatic detection device and detection method for coupler coupling state |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310221790.5A CN116176646A (en) | 2023-03-09 | 2023-03-09 | Automatic detection device and detection method for coupler coupling state |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201304993Y (en) * | 2008-11-27 | 2009-09-09 | 青岛四方车辆研究所有限公司 | Car body coupler automatic lock device |
| CN107031680A (en) * | 2017-04-18 | 2017-08-11 | 青岛思锐科技有限公司 | Coupler-uncoupling controlling organization |
| CN112644554A (en) * | 2021-01-04 | 2021-04-13 | 中车青岛四方车辆研究所有限公司 | Automatic control system for car coupler |
| SE2150646A1 (en) * | 2021-05-20 | 2022-11-21 | Dellner Couplers Ab | Coupler with angular position detection assembly, angular position detection system and method |
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2023
- 2023-03-09 CN CN202310221790.5A patent/CN116176646A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201304993Y (en) * | 2008-11-27 | 2009-09-09 | 青岛四方车辆研究所有限公司 | Car body coupler automatic lock device |
| CN107031680A (en) * | 2017-04-18 | 2017-08-11 | 青岛思锐科技有限公司 | Coupler-uncoupling controlling organization |
| CN112644554A (en) * | 2021-01-04 | 2021-04-13 | 中车青岛四方车辆研究所有限公司 | Automatic control system for car coupler |
| SE2150646A1 (en) * | 2021-05-20 | 2022-11-21 | Dellner Couplers Ab | Coupler with angular position detection assembly, angular position detection system and method |
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| Title |
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| 包佳健等: "自动旅客运输系统车辆全自动钩缓装置设计", 《城市轨道交通研究》, no. 10, 31 October 2019 (2019-10-31), pages 3 * |
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