CN216954445U

CN216954445U - Gate opening sensor

Info

Publication number: CN216954445U
Application number: CN202123365731.0U
Authority: CN
Inventors: 黄昌浩
Original assignee: Nanjing Zhuye Information Technology Co ltd
Current assignee: Nanjing Zhuye Information Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-12
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a gate opening sensor, which belongs to the field of sensors and comprises a sensor shell and a synchronous track, wherein the synchronous track is fixed on one side of a gate, the sensor shell is arranged on one side of a gate frame, one side of the sensor shell is rotatably connected with a driven gear through a bearing structure, a tooth groove meshed with the driven gear is arranged on the synchronous track, a spline shaft is fixed on one side of the driven gear, a driving gear is arranged in the sensor shell, two sides of the driving gear are symmetrically and rotatably connected with sliding sleeves, sliding grooves corresponding to the sliding sleeves are arranged in the sensor shell, spline grooves matched with the spline shafts are arranged in the sliding sleeves, and a plurality of thread grooves are uniformly arranged on the inner walls of the sliding grooves at equal angles.

Description

Gate opening sensor

Technical Field

The utility model relates to the field of sensors, in particular to a gate opening sensor.

Background

The water gate is a low-head hydraulic structure with water-retaining and drainage functions, which is built on the bank of river, channel, reservoir and lake. The gate is closed, so that flood blocking, tide blocking and water level raising can be realized, and the requirement of upstream water taking or navigation can be met; the gate is opened, so that flood discharge, waterlogging drainage, sand flushing, water taking or flow regulation according to the downstream water demand can be realized. The water discharge amount and the water storage amount of the sluice can be strictly controlled by controlling the rotation angle of the sluice, in the prior art, the rotation angle of the underwater sluice is usually detected by using a photoelectric sensor, and the service life of the photoelectric sensor is greatly influenced and the precision of signal transmission is not high due to long-term underwater work.

In view of the above, there is a need for an improved sensor in the prior art to solve the above problems.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a gate opening sensor, which can be matched with a sensor shell provided with a sliding chute, a thread groove, a driven gear, a spline shaft, a driving gear, a sliding sleeve, balls, the spline groove, a tension spring, a measuring gear and a displacement sensor through a synchronous track provided with a tooth socket, when the gate is in actual use, when the gate is displaced upwards, the synchronous track is driven to move upwards synchronously, the driven gear is driven by the tooth socket to rotate in the forward direction, in the rotating process, the spline shaft of the driven gear drives the driving gear to rotate in the forward direction, the balls on the sliding sleeve are matched with the thread groove, the sliding sleeve is screwed into the sliding chute, the driving gear is driven to deviate along the spline shaft, the driving gear is meshed with the measuring gear on one side to drive, the upward displacement of the gate is recorded, when the gate is displaced downwards, the driving gear reversely deviates along the spline shaft under the action of the ball and the thread groove, so that the driving gear is in meshing transmission with the measuring gear on the other side, the downward displacement of the gate is further recorded, the downward displacement and the upward displacement are transmitted to the control unit, and the difference between the downward displacement and the upward displacement is calculated by the control unit, so that the opening degree of the gate can be obtained.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The gate opening sensor comprises a sensor shell and a synchronous track, wherein the synchronous track is fixed on one side of a gate, the sensor shell is installed on one side of a gate frame, one side of the sensor shell is rotatably connected with a driven gear through a bearing structure, a tooth groove meshed with the driven gear is formed in the synchronous track, a spline shaft is fixed on one side of the driven gear, a driving gear is arranged in the sensor shell, two sides of the driving gear are rotatably connected with a sliding sleeve in a symmetrical mode, a sliding groove corresponding to the sliding sleeve is formed in the sensor shell, a spline groove matched with the spline shaft is formed in the sliding sleeve, a plurality of thread grooves are uniformly formed in the inner wall of the sliding groove at equal angles, balls matched with the thread grooves are arranged on the outer wall of the sliding sleeve, a tensioning spring is clamped between one side of the sliding sleeve opposite to the sliding groove, and two measuring gears are symmetrically arranged on one side of the sensor shell, one side of the measuring gear is provided with a displacement sensor which is externally connected with a control unit through a lead.

Through the mutual matching between the synchronous track with the tooth socket and the sensor shell with the chute, the thread groove, the driven gear, the spline shaft, the driving gear, the sliding sleeve, the ball, the spline groove, the tensioning spring, the measuring gear and the displacement sensor, when in actual use, when the gate moves upwards, the synchronous track is driven to move upwards synchronously, at the moment, the driven gear rotates forwards under the driving of the tooth socket, in the rotating process, the spline shaft of the driven gear drives the driving gear to rotate forwards, so that the ball on the sliding sleeve is matched with the thread groove, the sliding sleeve is screwed into the chute, the driving gear is driven to deviate along the spline shaft, the driving gear is in meshing transmission with the measuring gear on one side, and further the upward displacement of the gate is recorded, when the gate moves downwards, the driving gear deviates reversely along the spline shaft under the action of the ball and the thread groove, so that the driving gear is in meshing transmission with the measuring gear on the other side, and then the downward displacement of the gate is recorded, the downward displacement and the upward displacement are transmitted to the control unit, and the difference between the downward displacement and the upward displacement is calculated by the control unit, so that the opening degree of the gate can be obtained.

Further, the relative spacing between the two measuring gears is larger than the thickness of the driving gear.

Further, the tensioning spring is a high-strength anti-fatigue spring, and the tensioning spring has elasticity for driving the sliding sleeve to be away from the sliding groove.

Furthermore, the gear tooth number, the modulus, the reference circle diameter and the addendum circle diameter of the driven gear, the driving gear and the measuring gear are all equal.

Further, the displacement sensor is used for measuring the number of rotation turns of the measuring gear.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

the scheme is characterized in that a synchronous track with tooth grooves is matched with a sensor shell with a sliding groove, a thread groove, a driven gear, a spline shaft, a driving gear, a sliding sleeve, balls, the spline groove, a tension spring, a measuring gear and a displacement sensor, when the gate moves upwards in actual use, the synchronous track is driven to move upwards synchronously, the driven gear is driven by the tooth grooves to rotate forwards, the spline shaft of the driven gear drives the driving gear to rotate forwards in the rotating process, the balls on the sliding sleeve are matched with the thread groove, the sliding sleeve is screwed into the sliding groove, the driving gear is driven to deviate along the spline shaft, the driving gear is meshed with the measuring gear on one side to drive, the upward displacement of the gate is recorded, when the gate moves downwards, the driving gear deviates reversely along the spline shaft under the action of the balls and the thread groove, the driving gear is meshed with the measuring gear on the other side to drive, and then the downward displacement of the gate is recorded, the downward displacement and the upward displacement are transmitted to the control unit, and the difference between the downward displacement and the upward displacement is calculated by the control unit, so that the opening degree of the gate can be obtained.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of a sensor housing and a synchronization rail according to the present invention;

FIG. 3 is a schematic diagram of the internal structure of the sensor housing and the synchronization rail according to the present invention;

FIG. 4 is a schematic cross-sectional view of a sensor housing and a synchronization rail according to the present invention;

fig. 5 is an exploded view of the sensor housing according to the present invention.

The reference numbers in the figures illustrate:

the gate valve comprises a gate valve 1, a gate frame 2, a sensor housing 3, a sliding chute 31, a thread groove 32, a synchronous track 4, a tooth groove 41, a driven gear 5, a spline shaft 51, a driving gear 6, a sliding sleeve 7, a ball 71, a spline groove 72, a tension spring 8, a measuring gear 9 and a displacement sensor 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a gate opening sensor includes a sensor housing 3 and a synchronous rail 4, the synchronous rail 4 is fixed on one side of a gate 1, the sensor housing 3 is installed on one side of a gate frame 2, one side of the sensor housing 3 is rotatably connected with a driven gear 5 through a bearing structure, the synchronous rail 4 is provided with a tooth socket 41 engaged with the driven gear 5, one side of the driven gear 5 is fixed with a spline shaft 51, a driving gear 6 is provided in the sensor housing 3, sliding sleeves 7 are symmetrically and rotatably connected to both sides of the driving gear 6, a sliding groove 31 corresponding to the sliding sleeve 7 is provided in the sensor housing 3, a spline groove 72 matched with the spline shaft 51 is provided in the sliding sleeve 7, a plurality of thread grooves 32 are provided on the inner wall of the sliding sleeve 31 at equal angles, balls 71 matched with the thread grooves 32 are provided on the outer wall of the sliding sleeve 7, a tension spring 8 is clamped between one side of the sliding sleeve 7 opposite to the sliding groove 31, two measuring gears 9 are symmetrically arranged on one side of the sensor shell 3, a displacement sensor 10 is arranged on one side of each measuring gear 9, and the displacement sensors 10 are externally connected with a control unit through wires.

The relative interval of two measuring gear 9 is greater than the thickness of drive gear 6, and tensioning spring 8 is high strength antifatigue spring, and tensioning spring 8 has the elasticity of driving sliding sleeve 7 and keeping away from spout 31, and driven gear 5, drive gear 6 and measuring gear 9's gear tooth number, modulus, reference circle diameter and addendum circle diameter are all equal, and displacement sensor 10 is used for measuring the number of revolutions of measuring gear 9.

The utility model uses the mutual matching between the synchronous track 4 with the tooth slot 41 and the sensor shell 3 with the sliding slot 31, the thread slot 32, the driven gear 5, the spline shaft 51, the driving gear 6, the sliding sleeve 7, the ball 71, the spline slot 72, the tension spring 8, the measuring gear 9 and the displacement sensor 10, when the gate 1 is moved upwards in actual use, the synchronous track 4 is driven to move upwards synchronously, at the moment, the driven gear 5 rotates in the positive direction under the driving of the tooth slot 41, during the rotation process, the spline shaft 51 of the driven gear 5 drives the driving gear 6 to rotate in the positive direction, the ball 71 on the sliding sleeve 7 is matched with the thread slot 32, the sliding sleeve 7 is screwed into the sliding slot 31, the driving gear 6 is driven to deviate along the spline shaft 51, the driving gear 6 is meshed with the measuring gear 9 on one side, the upward displacement of the gate 1 is recorded, when the gate 1 is moved downwards, the driving gear 6 reversely deviates along the spline shaft 51 under the action of the ball 71 and the thread groove 32, so that the driving gear 6 is in meshing transmission with the measuring gear 9 on the other side, the downward displacement of the gate 1 is recorded, the downward displacement and the upward displacement are transmitted to the control unit, and the difference between the downward displacement and the upward displacement is calculated by the control unit, so that the opening degree of the gate 1 can be obtained.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. Gate opening sensor, including sensor housing (3) and synchronous track (4), its characterized in that: the utility model discloses a sensor of the gate valve, including synchronous track (4), sensor housing (3), gate frame (2), sensor housing (3) one side is rotated through bearing structure and is connected with driven gear (5), be equipped with on synchronous track (4) with driven gear (5) engaged with tooth's socket (41), one side of driven gear (5) is fixed with integral key shaft (51), be equipped with drive gear (6) in sensor housing (3), the bilateral symmetry of drive gear (6) rotates and is connected with sliding sleeve (7), be equipped with in sensor housing (3) with sliding sleeve (7) corresponding spout (31), be equipped with in sliding sleeve (7) with integral key shaft (51) assorted spline groove (72), the inner wall of sliding sleeve (31) is equallyd divide to be equipped with a plurality of thread grooves (32) to the angle such as, the outer wall of sliding sleeve (7) is equipped with ball (71) with thread groove (32) assorted, the sensor is characterized in that a tensioning spring (8) is clamped between one side, opposite to the sliding groove (31), of the sliding sleeve (7), two measuring gears (9) are symmetrically arranged on one side of the sensor shell (3), a displacement sensor (10) is arranged on one side of each measuring gear (9), and the displacement sensor (10) is externally connected with a control unit through a lead.

2. The shutter opening degree sensor according to claim 1, wherein: the relative distance between the two measuring gears (9) is larger than the thickness of the driving gear (6).

3. The shutter opening degree sensor according to claim 1, wherein: the tensioning spring (8) is a high-strength anti-fatigue spring, and the tensioning spring (8) has elasticity for driving the sliding sleeve (7) to be far away from the sliding groove (31).

4. The shutter opening degree sensor according to claim 1, wherein: the gear teeth number, the modulus, the reference circle diameter and the addendum circle diameter of the driven gear (5), the driving gear (6) and the measuring gear (9) are all equal.

5. The shutter opening degree sensor according to claim 1, wherein: the displacement sensor (10) is used for measuring the number of rotations of the measuring gear (9).