CN110006337B - Gate opening sensor - Google Patents
Gate opening sensor Download PDFInfo
- Publication number
- CN110006337B CN110006337B CN201910212747.6A CN201910212747A CN110006337B CN 110006337 B CN110006337 B CN 110006337B CN 201910212747 A CN201910212747 A CN 201910212747A CN 110006337 B CN110006337 B CN 110006337B
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- Prior art keywords
- detection gear
- detection
- speed sensor
- gate opening
- wall
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
Abstract
The invention discloses a gate opening sensor, which belongs to the technical field of gate sensors, and particularly relates to a gate opening sensor, comprising a limit rod and a mounting bracket, wherein a rack is arranged on one side wall of the limit rod, a detection gear is connected to the mounting bracket through a pin shaft, the detection gear is meshed with the rack, one end of the mounting bracket is fixedly connected with a rotation speed sensor in a screwed manner, the rotation speed sensor and the detection gear are arranged on the same side, the detection end of the rotation speed sensor faces the detection gear, and the detection gear rotates under the meshing effect of the rack and the detection gear, so that the detection basis of the rotation speed sensor is provided, the detection is convenient, the mounting mode is simple, and the detection is not easy to erode by water; the detection data are more accurate through the cooperation of the rotation speed sensor and the detection gear; through installing support and rotation speed sensor's mounting means, easy to assemble and dismantlement, follow-up maintenance is comparatively convenient.
Description
Technical Field
The invention relates to the technical field of gate sensors, in particular to a gate opening sensor.
Background
The sluice is a low-water-head hydraulic building which is built at the bank of river channel, canal, reservoir and lake and has the functions of water retaining and water draining. The gate is closed, so that flood control, tide blocking and water level elevation can be realized, and the requirements of upstream water taking or navigation can be met; the gate is opened, so that flood discharge, drainage, sand flushing, water taking or flow adjustment can be performed according to the downstream water demand. The water discharge amount and the water storage amount of the sluice can be strictly controlled by controlling the opening scale of the sluice gate.
For example, chinese patent publication No. CN107289853a provides an underwater gate opening sensor, which includes a housing, a stator fixed in the housing, a rotor located in the housing, a continuous winding, a plurality of sine windings, a plurality of cosine windings; the rotor is connected to the gate rotating shaft, the continuous winding is arranged on the stator, the sine winding and the cosine winding are alternately arranged on the rotor at intervals, and the windings of the same type are connected in series through wires. The continuous winding is arranged on the stator, the sine winding and the cosine winding are alternately arranged on the rotor at intervals, and the rotor is connected to the gate rotating shaft. However, when the device is used, the operation is not convenient enough, the distance from the water surface is relatively low, the corrosion condition is easy to occur, and the service life of the device is influenced. For this purpose, a corresponding technical solution needs to be designed to solve.
Disclosure of Invention
The invention aims to provide a gate opening sensor, which solves the problems that the existing gate opening sensor provided in the background art is inconvenient to operate, relatively low in distance from the water surface, easy to cause corrosion and influence the service life of the existing gate opening sensor.
In order to achieve the above purpose, the present invention provides the following technical solutions: the gate opening sensor comprises a limit rod and a mounting bracket, wherein a rack is arranged on one side wall of the limit rod, a detection gear is connected to the mounting bracket through a pin shaft, the detection gear is meshed with the rack, a rotating speed sensor is fixedly screwed at one end of the mounting bracket, the rotating speed sensor and the detection gear are arranged on the same side, and the detection end of the rotating speed sensor faces to the detection gear;
the detection gear is characterized in that light guide sheets and light shielding sheets are arranged on gear teeth of the detection gear, the light guide sheets and the light shielding sheets are arranged at intervals in a staggered mode, the light guide sheets and the light shielding sheets are respectively arranged on tooth peaks and tooth valleys of the gear teeth of the detection gear in a corresponding mode, the modulus range of the detection gear is 1.5-2, and the rotation speed sensor is a photoelectric sensor.
As an improvement of the technical scheme, the axis of the rotating speed sensor and the axis of the detection gear are on the same plane.
As the improvement of the technical scheme, the two ends of the mounting bracket are both in threaded connection with the sliding rods, and the outer walls of the sliding rods are sleeved with the mounting sliding sleeves.
As an improvement of the technical scheme, the outer wall of the sliding rod is provided with a limiting groove, and the inner wall of the mounting sliding sleeve is provided with a limiting sliding block matched with the sliding rod.
As an improvement of the technical scheme, the inner cavity of the installation sliding sleeve is embedded with the linear bearing, and the linear bearing is sleeved on the outer wall of the sliding rod.
As an improvement of the technical scheme, the modulus of the detection gear is in the range of 1.5-1.8.
As an improvement of the technical scheme, an adjusting groove is formed in the outer wall of the mounting bracket, and the adjusting groove is located at one end, opposite to the rotating speed sensor, of the mounting bracket.
As the improvement of the technical scheme, the supporting block component and the supporting spring are arranged in the adjusting groove, the supporting block component is close to the limiting rod, and two ends of the supporting spring are respectively supported on the supporting block component and the inner wall of the adjusting groove.
As the improvement of above-mentioned technical scheme, supporting shoe subassembly includes two sets of grip blocks that the symmetry set up, and connects through the connecting rod between two sets of grip blocks, the connecting rod runs through the adjustment tank, and two sets of grip blocks centre gripping respectively on the both sides of adjustment tank, be connected with the supporting roller through the pivot on the outer wall of grip block, the supporting roller supports on the outer wall of gag lever post.
As the improvement of the technical scheme, the supporting balls are embedded into the opposite side walls of the two groups of clamping plates and supported on the outer wall of the mounting bracket, and the outer wall of the supporting roller is sleeved with the buffer rubber ring.
Compared with the prior art, the invention has the beneficial effects that:
1) The detection gear rotates under the meshing action of the rack and the detection gear, so that a detection basis of the rotation speed sensor is provided, the detection is convenient, the installation mode is simple, and the detection gear is not easy to erode by water;
2) The detection data are more accurate through the cooperation of the rotation speed sensor and the detection gear;
3) Through installing support and rotation speed sensor's mounting means, easy to assemble and dismantlement, follow-up maintenance is comparatively convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the mounting bracket of the present invention;
FIG. 3 is a schematic view of a support block assembly according to the present invention.
In the figure: 1 a limit rod, 2 a mounting bracket, 3 racks, 4 detection gears, 5 a rotation speed sensor, 6 sliding bars, 7 a mounting sliding sleeve, 8 an adjusting groove, 9 a supporting block component, 91 a clamping plate, 92 a connecting rod, 93 a supporting ball, 94 a rotating shaft, 95 a supporting roller and 10 a supporting spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Embodiment one:
referring to fig. 1-3, the present invention provides a technical solution: the gate opening sensor comprises a limiting rod 1 and a mounting bracket 2, wherein a rack 3 is arranged on one side wall of the limiting rod 1, a detection gear 4 is connected to the mounting bracket 2 through a pin shaft, the detection gear 4 is meshed with the rack 3, one end of the mounting bracket 2 is fixedly connected with a rotation speed sensor 5 in a screwed mode, the rotation speed sensor 5 and the detection gear 4 are arranged on the same side, and the detection end of the rotation speed sensor 5 faces the detection gear 4;
the detection gear 4 is provided with a light guide sheet and a light shielding sheet on the gear teeth, the light guide sheet and the light shielding sheet are alternately arranged at intervals, the light guide sheet and the light shielding sheet are respectively and correspondingly arranged on the gear peak and the gear valley of the gear teeth of the detection gear 4, the module range of the detection gear 4 is 1.5-2, and the rotating speed sensor 5 is a photoelectric sensor.
Embodiment two: the gate opening sensor comprises a limiting rod 1 and a mounting bracket 2, wherein a rack 3 is arranged on one side wall of the limiting rod 1, a detection gear 4 is connected to the mounting bracket 2 through a pin shaft, the detection gear 4 is meshed with the rack 3, one end of the mounting bracket 2 is fixedly connected with a rotation speed sensor 5 in a screwed mode, the rotation speed sensor 5 and the detection gear 4 are arranged on the same side, and the detection end of the rotation speed sensor 5 faces the detection gear 4;
the detection gear 4 is provided with a light guide sheet and a light shielding sheet on the gear teeth, the light guide sheet and the light shielding sheet are alternately arranged at intervals, the light guide sheet and the light shielding sheet are respectively and correspondingly arranged on the gear peak and the gear valley of the gear teeth of the detection gear 4, the module range of the detection gear 4 is 1.5-2, and the rotating speed sensor 5 is a photoelectric sensor.
The axis of the rotation speed sensor 5 and the axis of the detection gear 4 are on the same plane, so that the rotation speed sensor 5 can accurately measure the detection gear 4, errors are reduced, and measurement is more accurate;
the two ends of the mounting bracket 2 are both in threaded connection with the sliding rod 6, the outer wall of the sliding rod 6 is sleeved with the mounting sliding sleeve 7, the mounting bracket 2 can be adjusted in a certain range in the transverse position through the matched use of the sliding rod 6 and the mounting sliding sleeve 7, and when the limiting rod 1 moves longitudinally, the situation of deflection occurs, so that the detection gear 4 on the mounting bracket 2 can have a certain adjusting space, and the detection gear 4 and the rack 3 keep a meshed state;
the outer wall of the slide bar 6 is provided with a limit groove, the inner wall of the installation slide sleeve 7 is provided with a limit slide block matched with the slide bar 6, and the installation support 2 can ensure the vertical state through the engagement setting of the detection gear 4 and the rack 3, so that the situation that the detection gear 4 and the rack 3 cannot be normally engaged in the use process is avoided;
the inner cavity of the mounting sliding sleeve 7 is embedded with a linear bearing, the linear bearing is sleeved on the outer wall of the sliding rod 6, and the mounting sliding sleeve 7 moves smoothly relative to the sliding rod 6 through the arrangement of the linear bearing;
the modulus of the detection gear 4 is in the range of 1.5-1.8;
an adjusting groove 8 is formed in the outer wall of the mounting bracket 2, and the adjusting groove 8 is positioned at one end of the mounting bracket 2 opposite to the rotating speed sensor 5;
the supporting block assembly 9 and the supporting spring 10 are arranged in the adjusting groove 8, the supporting block assembly 9 is close to the limiting rod 1, two ends of the supporting spring 10 are respectively supported on the supporting block assembly 9 and the inner wall of the adjusting groove 8, the supporting block assembly 9 and the supporting spring 10 are matched for use, the supporting block assembly 9 can be supported on the limiting rod 1 under the action of the supporting spring 10, and the detection gear 4 and the rack 3 are kept in an engaged state under the action of the elastic force of the supporting spring 10, so that the normal detection is ensured;
the supporting block assembly 9 comprises two groups of clamping plates 91 which are symmetrically arranged, the two groups of clamping plates 91 are connected through a connecting rod 92, the connecting rod 92 penetrates through the adjusting groove 8, the two groups of clamping plates 91 are respectively clamped on two sides of the adjusting groove 8, supporting rollers 95 are connected to the outer walls of the clamping plates 91 through rotating shafts 94, the supporting rollers 95 are supported on the outer walls of the limiting rods 1, the two groups of clamping plates 91 are clamped on two sides of the mounting bracket 2, and the situation that the supporting block assembly 9 falls down is avoided;
support ball 93 has all been embedded on the looks lateral wall of two sets of grip blocks 91, and support ball 93 supports on the outer wall of installing support 2, has cup jointed the buffer rubber circle on the outer wall of backing roll 95, through the setting of support ball 93, support ball 93 can play certain friction reduction's effect, and the setting of buffer rubber circle can play certain cushioning effect, noise reduction.
Working principle: the method comprises the steps of mounting a limiting rod 1 on a gate through a screw, keeping the limiting rod 1 parallel to the moving direction of the gate, mounting a mounting bracket 2 and a sliding rod 6 on a frame of the gate through a mounting sliding sleeve 7 on the sliding rod 6, supporting a supporting roller 95 on the side wall of the limiting rod 1, and meshing a detection gear 4 with a rack 3;
the limiting rod 1 and the rack 3 are driven to longitudinally move in the opening or closing process of the gate, so that the limiting rod 1 is driven to move upwards or the limiting rod 1 is driven to move downwards, the rack 3 and the detection gear 4 are meshed to enable the detection gear 4 to rotate under the driving of the rack 3, and the rotation number of the detection gear 4 is detected through the rotation speed sensor 5;
the radius of the detection gear 4 is set to be r (the radius difference between the root circle and the top circle of the detection gear 4 is smaller, the scheme is ignored, the radius of the root circle and the top circle is regarded as the radius of the detection gear 4, the number of the detection gear 4 is set to be n, when the light guide sheet on the detection gear 4 is converted into the light shielding sheet, the photoelectric switch responds to the output high and low levels, the frequency of the output level is proportional to the rotating speed, the rotating speed sensor 5 outputs n level signals and then is regarded as the detection gear 4 to rotate for one circle, the corresponding receiving m level signals is converted into m/n circles, the frequency can also be converted into voltage or current signals (the same as the engine rotating speed measuring principle, the description is omitted in the prior art), the circumference C=2pi r of the detection gear 4, the speed of the contact position of the rack 3 and the detection gear 4 is the same, the rotating path of any point on the edge of the detection gear 4 is the same as the moving path of the limit rod 1, and the opening and closing distance H=2m/n pi r of the gate is obtained.
The supporting block assembly 9 is always supported and pressed on the limiting rod 1 through the supporting spring 10, so that the detection gear 4 is kept engaged with the rack 3.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a gate aperture sensor, includes gag lever post (1) and installing support (2), its characterized in that: a rack (3) is arranged on one side wall of the limiting rod (1), a detection gear (4) is connected to the mounting bracket (2) through a pin shaft, the detection gear (4) is meshed with the rack (3), a rotating speed sensor (5) is fixedly connected with one end of the mounting bracket (2) in a screwed mode, the rotating speed sensor (5) and the detection gear (4) are arranged on the same side, and the detection end of the rotating speed sensor (5) faces the detection gear (4);
the detection device is characterized in that light guide sheets and light shielding sheets are arranged on gear teeth of the detection gear (4), the light guide sheets and the light shielding sheets are arranged at intervals in a staggered mode, the light guide sheets and the light shielding sheets are respectively arranged on tooth peaks and tooth valleys of the gear teeth of the detection gear (4) in a corresponding mode, the modulus range of the detection gear (4) is 1.5-2, and the rotating speed sensor (5) is a photoelectric sensor.
2. A gate opening sensor according to claim 1, wherein: the axis of the rotating speed sensor (5) and the axis of the detection gear (4) are on the same plane.
3. A gate opening sensor according to claim 1, wherein: both ends of the mounting bracket (2) are in threaded connection with a sliding rod (6), and the outer wall of the sliding rod (6) is sleeved with a mounting sliding sleeve (7).
4. A gate opening sensor according to claim 3, wherein: the outer wall of the sliding rod (6) is provided with a limiting groove, and the inner wall of the mounting sliding sleeve (7) is provided with a limiting sliding block matched with the sliding rod (6).
5. A gate opening sensor according to claim 4, wherein: the inner cavity of the installation sliding sleeve (7) is embedded with a linear bearing, and the linear bearing is sleeved on the outer wall of the sliding rod (6).
6. A gate opening sensor according to claim 1, wherein: the modulus of the detection gear (4) is in the range of 1.5-1.8.
7. A gate opening sensor according to claim 1, wherein: an adjusting groove (8) is formed in the outer wall of the mounting bracket (2), and the adjusting groove (8) is located at one end, opposite to the rotating speed sensor (5), of the mounting bracket (2).
8. A gate opening sensor according to claim 7, wherein: the adjusting groove (8) is internally provided with a supporting block assembly (9) and a supporting spring (10), the supporting block assembly (9) is close to the limiting rod (1), and two ends of the supporting spring (10) are respectively supported on the supporting block assembly (9) and the inner wall of the adjusting groove (8).
9. A gate opening sensor according to claim 8, wherein: the supporting shoe assembly (9) comprises two groups of clamping plates (91) which are symmetrically arranged, the two groups of clamping plates (91) are connected through a connecting rod (92), the connecting rod (92) penetrates through the adjusting groove (8), the two groups of clamping plates (91) are respectively clamped on two sides of the adjusting groove (8), supporting rollers (95) are connected to the outer walls of the clamping plates (91) through rotating shafts (94), and the supporting rollers (95) are supported on the outer walls of the limiting rods (1).
10. The gate opening sensor according to claim 9, wherein: support balls (93) are embedded in the opposite side walls of the two groups of clamping plates (91), the support balls (93) are supported on the outer wall of the mounting bracket (2), and buffer rubber rings are sleeved on the outer wall of the support rollers (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212747.6A CN110006337B (en) | 2019-03-20 | 2019-03-20 | Gate opening sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212747.6A CN110006337B (en) | 2019-03-20 | 2019-03-20 | Gate opening sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110006337A CN110006337A (en) | 2019-07-12 |
| CN110006337B true CN110006337B (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910212747.6A Active CN110006337B (en) | 2019-03-20 | 2019-03-20 | Gate opening sensor |
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| Country | Link |
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| CN (1) | CN110006337B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116393843B (en) * | 2023-06-06 | 2023-08-18 | 深圳亚大塑料制品有限公司 | PE pipeline production ration cutting equipment |
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