CN111610750A - Gear coding gate position detection device, system and gate - Google Patents
Gear coding gate position detection device, system and gate Download PDFInfo
- Publication number
- CN111610750A CN111610750A CN202010654009.XA CN202010654009A CN111610750A CN 111610750 A CN111610750 A CN 111610750A CN 202010654009 A CN202010654009 A CN 202010654009A CN 111610750 A CN111610750 A CN 111610750A
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- gate
- side plate
- gear
- position detection
- lower side
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
- E02B13/02—Closures for irrigation conduits
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention provides a gear coding gate position detection device, a gear coding gate position detection system and a gate, which are applied to a base positioned on the periphery of a gate screw rod, wherein the gate position detection device comprises an upper side plate and a lower side plate which are fixedly arranged on the base, and a coder and a limit switch which are respectively arranged on the upper side plate and the lower side plate; the end part of the limit switch is connected with a roller through a connecting rod, the top end part of the gate screw is provided with a top nut, and the roller is located under the top nut and used for triggering a gate in-place signal. The invention adopts the encoder and the limit switch to monitor the opening degree and the in-place state of the gate, and has simple structure, convenient measurement, good stability and high safety factor.
Description
Technical Field
The invention relates to the technical field of gate control, in particular to a gear coding gate position detection device, a gear coding gate position detection system and a gate.
Background
At present, screw gates in the water conservancy industry are widely applied to irrigation district channels, the screw gates play an important role in flood control and disaster resistance as one of the most basic projects of water conservancy facilities, and the screw gates play a great positive role in flood control, protection of industrial and agricultural production, safety of lives and properties of people, environmental protection and the like besides meeting the water demand of water conservancy departments.
The conventional mode is still adopted in the existing screw gate height measuring method, namely a measuring device is arranged between a dam gate and a gate frame, the actual displacement of the measuring device corresponds to the gate opening value, the dam gate moves hundreds of meters frequently, the measuring method has the defects of large measuring error, inconvenient installation of measuring equipment, inconvenient maintenance and high cost, and the requirement of controlling the dam gate cannot be met.
Disclosure of Invention
The invention aims to provide a gear coding gate position detection device, a gear coding gate position detection system and a gate, which are simple in structure, good in stability and high in safety coefficient.
In order to solve the technical problems, the invention adopts the technical scheme that: a gear coding gate position detection device is applied to a base located on the periphery of a gate screw, and comprises an upper side plate and a lower side plate which are fixedly arranged on the base, and a coder and a limit switch which are respectively arranged on the upper side plate and the lower side plate, wherein the end part of the coder is connected with a gear through a connecting shaft, and the gear is meshed with the gate screw and used for monitoring the opening degree of a gate; the end part of the limit switch is connected with a roller through a connecting rod, the top end part of the gate screw is provided with a top nut, and the roller is located under the top nut and used for triggering a gate in-place signal.
Preferably, one end of the lower side plate close to the gate screw extends upwards to form an extension plate, and a tension spring is connected between the extension plate and one side of the upper side plate close to the gate screw.
According to the preferable scheme, a round-angle through groove is formed in the bottom end of the lower side plate, a connecting bolt penetrates through the round-angle through groove, and the connecting bolt is in threaded connection with a fixed screw hole in the base.
Preferably, the upper side plate and the lower side plate are both L-shaped plates, the horizontal parts of the upper side plate and the lower side plate are fixedly connected through connecting bolts, and the vertical parts of the upper side plate and the lower side plate are arranged at 90 degrees.
Preferably, the lower side plate is provided with a through hole for binding a signal wire of the brake position detection device on the lower side plate.
Preferably, the encoder is of a DOX58011K1R4096/4096-L type, and the limit switch is of an XCE145 type.
The invention also provides a gear coding gate position detection system, which comprises: the gear of the encoder is meshed with the gate screw and is used for monitoring the opening degree of the gate; the roller of the limit switch is positioned under a top nut arranged at the top end part of the gate screw rod and used for monitoring the in-place condition of the gate; and the PLC is in communication connection with the encoder and the limit switch, and is used for receiving the gate opening degree signal and the gate in-place signal and controlling the running state of the driving motor according to the signals.
The invention also provides a gate which comprises the gear coding gate position detection device.
Compared with the prior art, the invention has the beneficial effects that: the opening degree of the gate is monitored by adopting an encoder, a gear of the encoder is meshed with a gate screw, when the gate is opened or closed, the gate screw rotates to drive the gear to rotate, and the opening degree of the gate is calculated through the number of turns of the gear, so that the method is convenient to measure and high in precision; the in-place condition of the gate is monitored by the limit switch, and when the gate is closed in place, the top nut at the top end of the gate screw touches the limit switch to enable the limit switch to act, and the PLC receives in-place signals and then operates the driving motor to stop, so that the gate is prevented from being excessively closed, and equipment is prevented from being damaged.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
FIG. 1 is a schematic diagram of an operating state of a gear code gate position detection device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a gear code gate position detection device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another view angle of the gear-coded gate position detecting device according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another view angle of the gear-coded gate position detecting device according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a gear code gate position detection system according to an embodiment of the present invention.
Reference numbers in the figures: 100 gate screw rods, 200 bases, 210 fixing screw holes, 300 gate position instruments, 400 top nuts, 1 lower side plate, 101 extension plates, 102 rounded through grooves, 2 upper side plates, 3 encoders, 301 encoder bodies, 302 connecting shafts, 303 gears, 4 limit switches, 401 limiter bodies, 402 connecting rods, 403 rollers, 5 tensioning springs, 6 connecting bolts, 7 signal wires, 8 binding tapes, 9PLC controllers and 10 driving motors.
Detailed Description
It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
An embodiment according to the present invention is shown in connection with fig. 1. The utility model provides a gear code floodgate position detection device, fixed mounting has gate screw rod 100 in the middle of 200 on base, and gate screw rod 100 bottom end portion is connected with the gate, drives gate screw rod 100 through driving motor 10 and rotates to realize opening and closing of gate.
As shown in fig. 2 to 4, in this embodiment, the gate position detecting device includes an upper side plate 2 and a lower side plate 1 fixed on the base 200, the upper side plate 2 and the lower side plate 1 are both L-shaped plates, horizontal portions of the upper side plate 2 and the lower side plate 1 are fixedly connected through a connecting bolt 6, and vertical portions of the upper side plate 2 and the lower side plate 1 are arranged at 90 degrees.
The bottom end of the lower side plate 1 is provided with a round-angle through groove 102, a connecting bolt 6 penetrates through the round-angle through groove 102, and the connecting bolt 6 is in threaded connection with a fixed screw hole 210 on the base 200. The rounded through groove 102 facilitates the adjustment of the distance between the detection device and the gate screw 100, and is convenient to use.
Still including setting up encoder 3 and limit switch 4 on top plate 2 and lower side plate 1 respectively, the 3 tip of encoder is connected with gear 303 through connecting axle 302, and gear 303 is connected with gate screw 100 meshing for monitor gate aperture. The encoder 3 is DOX58011K1R4096/4096-L type absolute value encoder 3. When the gate is closed, the driving motor 10 drives the gate screw 100 to rotate, so as to drive the gear 303 to rotate, and the descending height of the gate can be calculated by reading the number of rotation turns of the gear 303, so that the opening degree of the gate can be obtained.
The end of the limit switch 4 is connected with a roller 403 through a connecting rod 402, the top end of the gate screw 100 is provided with a top nut 400, and the roller 403 is located under the top nut 400 and used for triggering a gate in-place signal. The limit switch 4 is selected from XCE145 manufactured by Schneider. When the gate is closed in place, the top nut 400 at the top end of the gate screw 100 touches the limit switch 4, so that the limit switch 4 acts, the PLC 9 receives the in-place signal and operates the driving motor 10 to stop, the excessive closing of the gate is prevented, the equipment damage is prevented, and the safety factor is high.
Further, an extension plate 101 is formed by extending upward from one end of the lower plate 1 close to the gate screw 100, and a tension spring 5 is connected between the extension plate 101 and one side of the upper plate 2 close to the gate screw 100. The tension spring 5 can buffer the gap generated between the lower side plate 1 and the upper side plate 2 due to vibration and the like, so that the gear 303 is tightly contacted with the gate screw 100, and the stability of the detection device is improved.
The lower side plate 1 is provided with a through hole for binding the signal wire 7 of the brake position detection device on the lower side plate 1 through the binding belt 8, so that the signal wire 7 is convenient to fix.
As shown in fig. 5, the present invention further provides a gear code gate position detecting system, which includes: the device comprises an encoder 3, a limit switch 4 and a PLC (programmable logic controller) 9, wherein a gear 303 of the encoder 3 is meshed with a gate screw 100 and is used for monitoring the opening degree of a gate; a roller 403 of the limit switch 4 is positioned right below a top nut 400 arranged at the top end part of the gate screw 100 and is used for monitoring the gate in-place condition; the PLC 9 is in communication connection with the encoder 3 and the limit switch 4, and is used for receiving the gate opening degree signal and the gate in-place signal and controlling the running state of the driving motor 10 according to the signals.
The invention also provides a gate which comprises the gear coding gate position detection device.
In summary, the beneficial effects of the invention include: the opening degree of the gate is monitored by adopting the encoder 3, the gear 303 of the encoder 3 is meshed with the gate screw 100, when the gate is opened or closed, the gate screw 100 rotates to drive the gear 303 to rotate, and the opening degree of the gate is calculated through the number of rotating turns of the gear 303, so that the method is convenient to measure and high in precision; the in-place condition of the gate is monitored by adopting the limit switch 4, when the gate is closed in place, the top nut 400 at the top end part of the gate screw 100 touches the limit switch 4, so that the limit switch 4 acts, and the PLC 9 controls the driving motor 10 to stop after receiving an in-place signal, thereby preventing the gate from being excessively closed and causing equipment damage.
It should be understood that the specific internal structure and operation principle of the encoder 3, the limit switch 4, the PLC controller 9 and the driving motor 10 related to the present invention belong to the known technology, and are not described herein.
The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.
Claims (8)
1. A gear coding gate position detection device is applied to a base located on the periphery of a gate screw rod and is characterized by comprising an upper side plate and a lower side plate which are fixedly arranged on the base, and a coder and a limit switch which are respectively arranged on the upper side plate and the lower side plate, wherein the end part of the coder is connected with a gear through a connecting shaft, and the gear is meshed with the gate screw rod and used for monitoring the opening degree of the gate;
the end part of the limit switch is connected with a roller through a connecting rod, the top end part of the gate screw is provided with a top nut, and the roller is located under the top nut and used for triggering a gate in-place signal.
2. The gear code gate position detecting device according to claim 1, wherein an end portion of the lower side plate near the gate screw extends upward to form an extension plate, and a tension spring is connected between the extension plate and a side portion of the upper side plate near the gate screw.
3. The gear code gate position detection device according to claim 1, wherein a round-corner through groove is formed in the bottom end portion of the lower side plate, a connecting bolt penetrates through the round-corner through groove, and the connecting bolt is in threaded connection with a fixing screw hole on the base.
4. The gear coding gate position detection device according to claim 1, wherein the upper side plate and the lower side plate are both L-shaped plates, the horizontal portions of the upper side plate and the lower side plate are fixedly connected through a connecting bolt, and the vertical portions of the upper side plate and the lower side plate are arranged at 90 degrees.
5. The gear coding gate position detection device according to claim 1, wherein the lower side plate is provided with a through hole for binding a signal wire of the gate position detection device on the lower side plate.
6. The gear code gate position detection device according to claim 1, wherein the encoder is of the type DOX58011K1R4096/4096-L and the limit switch is of the type XCE 145.
7. A gear code gate position detection system, comprising:
the gear of the encoder is meshed with the gate screw and is used for monitoring the opening degree of the gate;
the roller of the limit switch is positioned under a top nut arranged at the top end part of the gate screw rod and used for monitoring the in-place condition of the gate;
and the PLC is in communication connection with the encoder and the limit switch, and is used for receiving the gate opening degree signal and the gate in-place signal and controlling the running state of the driving motor according to the signals.
8. A gate comprising a gear-coded gate position detection device according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654009.XA CN111610750A (en) | 2020-07-08 | 2020-07-08 | Gear coding gate position detection device, system and gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654009.XA CN111610750A (en) | 2020-07-08 | 2020-07-08 | Gear coding gate position detection device, system and gate |
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| Publication Number | Publication Date |
|---|---|
| CN111610750A true CN111610750A (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010654009.XA Pending CN111610750A (en) | 2020-07-08 | 2020-07-08 | Gear coding gate position detection device, system and gate |
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| CN (1) | CN111610750A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512997A (en) * | 2021-09-15 | 2021-10-19 | 成都万江智控科技有限公司 | Screw gate position measurement and control device and gate control device |
| CN113931141A (en) * | 2021-11-05 | 2022-01-14 | 成都智慧农夫科技有限公司 | Screw brake control device |
-
2020
- 2020-07-08 CN CN202010654009.XA patent/CN111610750A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512997A (en) * | 2021-09-15 | 2021-10-19 | 成都万江智控科技有限公司 | Screw gate position measurement and control device and gate control device |
| CN113512997B (en) * | 2021-09-15 | 2021-12-10 | 成都万江智控科技有限公司 | Screw gate position measurement and control device and gate control device |
| CN113931141A (en) * | 2021-11-05 | 2022-01-14 | 成都智慧农夫科技有限公司 | Screw brake control device |
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