CN210136242U

CN210136242U - Speed measuring sensor

Info

Publication number: CN210136242U
Application number: CN201920426939.2U
Authority: CN
Inventors: 欧晓辉
Original assignee: Dongguan Mach Industrial Electrical Equipment Co Ltd
Current assignee: Dongguan Mach Industrial Electrical Equipment Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-03-10
Anticipated expiration: 2029-03-29

Abstract

The utility model belongs to the technical field of the sensor technique and specifically relates to indicate a speed sensor, including carrier bar, connection rope, hold carrier, slewing mechanism and sensor body, be equipped with the cavity in the carrier bar, be equipped with elevating system in the cavity, the surface of carrier bar is equipped with the recess, hold the one end of carrier slide set up in the recess, connect the one end of rope with elevating system's output is connected, connect the other end of rope with hold the carrier and connect, slewing mechanism locates hold on the carrier, the sensor body with slewing mechanism's output is connected. The utility model discloses can drive the sensor body and reciprocate, can drive the sensor body moreover and rotate for the sensor body has bigger detection range, and then makes the tachometer sensor have more extensive application scene.

Description

Speed measuring sensor

Technical Field

The utility model belongs to the technical field of the sensor technique and specifically relates to indicate a speed sensor.

Background

The speed measuring sensor is an instrument capable of measuring the running speed of a measured object. The increment of displacement per unit time is the velocity. The speed is a vector, has a magnitude and a direction, the magnitude of the speed is called speed, the speed comprises a linear speed and a rotating speed, and a linear speed measuring sensor and a rotating speed measuring sensor, which are collectively called speed measuring sensors, correspond to the velocity.

The mounting position of present speed sensor is fixed mostly, and the degree of freedom is single, and installation angle, mounting position and installation length adjustment get up to waste time and energy, can only customize according to the field size or can only use after on-the-spot through machining to installation back correction, adjustment are troublesome, use and maintenance are also troublesome, because the position itself of sensor can not be adjusted, so the mounting position precision of other test parts also correspondingly improves, has increased manufacturing cost. At the same time, after the sensor is fixed, maintenance and replacement become inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses problem to prior art provides a velocity measurement sensor to solve the problem that proposes in the background art.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a speed sensor, includes carrier bar, connection rope, holds carrier, slewing mechanism and sensor body, be equipped with the cavity in the carrier bar, be equipped with elevating system in the cavity, the surface of carrier bar is equipped with the recess, the one end that holds carrier slide set up in the recess, the one end of connecting the rope with elevating system's output is connected, the other end of connecting the rope with hold carrier connection, slewing mechanism locates hold on the carrier, the sensor body with slewing mechanism's output is connected.

Preferably, the lifting mechanism comprises a first motor, a first speed reducer, a screw rod and a ball nut, the first motor is used for driving the first speed reducer, the output end of the first speed reducer is in transmission connection with the screw rod, the ball nut is sleeved on the screw rod, and one end of the connecting rope is connected with the ball nut.

Preferably, the rotating mechanism comprises a rotating plate and a rotating assembly, the rotating assembly is arranged in the bearing piece, the bottom of the rotating plate is connected with the output end of the rotating assembly, and the sensor body is arranged on the rotating plate.

Preferably, the rotating assembly comprises a second motor, a second speed reducer and a rotating shaft, the second motor is used for driving the second speed reducer, one end of the rotating shaft is connected with the output end of the second speed reducer, and the other end of the rotating shaft protrudes from the bearing piece and is connected with the bottom of the rotating plate.

Preferably, a support piece is arranged on the rotating plate, one end of the support piece is connected with the rotating plate, and the other end of the support piece is hinged to the sensor body.

Preferably, the carrying rod is provided with a through hole for the connecting rope to extend out of the carrying rod.

Preferably, the speed measuring sensor comprises a wire group for transmitting signals and providing power, a spiral spring is arranged in the cavity, the wire group is connected with the spiral spring, and one end of the wire group extends out of the bearing rod through a through hole to be connected with the sensor body.

Preferably, the bearing rod is provided with a pulley at the through hole, and the wire group and the connecting rope both slide on the pulley.

The utility model has the advantages that: starting the lifting mechanism, pulling the connecting rope by the lifting mechanism, pulling the bearing piece to lift by the connecting rope, and driving the sensor body on the bearing piece to lift; and starting the rotating mechanism, and driving the sensor body to rotate by the rotating mechanism. To sum up, the utility model discloses can drive the sensor body and reciprocate, can drive the sensor body moreover and rotate for the sensor body has bigger detection range, and then makes the tacho sensor have more extensive application scene.

Drawings

Fig. 1 is a sectional view of the present invention.

The reference numerals are respectively: 1. a carrier bar; 2. connecting ropes; 3. a carrier; 4. a sensor body; 5. a cavity; 6. a first motor; 7. a first speed reducer; 8. a screw rod; 9. a ball nut; 10. a rotating plate; 11. a second motor; 12. a second speed reducer; 13. a rotating shaft; 14. a support member; 15. a through hole; 16. a wire group; 17. a volute spiral spring; 18. a pulley.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, a speed measurement sensor includes a bearing rod 1, a connecting rope 2, a bearing part 3, a rotating mechanism and a sensor body 4, a cavity 5 is provided in the bearing rod 1, an elevating mechanism is provided in the cavity 5, a groove is provided on the outer surface of the bearing rod 1, one end of the bearing part 3 is slidably disposed in the groove, one end of the connecting rope 2 is connected with the output end of the elevating mechanism, the other end of the connecting rope 2 is connected with the bearing part 3, the rotating mechanism is provided on the bearing part 3, and the sensor body 4 is connected with the output end of the rotating mechanism.

Starting the lifting mechanism, pulling the connecting rope 2 by the lifting mechanism, pulling the bearing piece 3 to lift by the connecting rope 2, and driving the sensor body 4 on the bearing piece 3 to lift; the rotating mechanism is started and drives the sensor body 4 to rotate. To sum up, the utility model discloses can drive sensor body 4 and reciprocate, can drive sensor body 4 moreover and rotate for sensor body 4 has bigger detection range, and then makes the tacho sensor have more extensive application scene.

The lifting mechanism comprises a first motor 6, a first speed reducer 7, a screw rod 8 and a ball nut 9, wherein the first motor 6 is used for driving the first speed reducer 7, the output end of the first speed reducer 7 is in transmission connection with the screw rod 8, the ball nut 9 is sleeved on the screw rod 8, and one end of the connecting rope 2 is connected with the ball nut 9. The first motor 6 is started, the first motor 6 drives the first speed reducer 7, the first speed reducer 7 drives the screw rod 8 to rotate, and the screw rod 8 drives the ball nut 9 to lift, so that the ball nut 9 can pull the connecting rope 2.

The rotating mechanism comprises a rotating plate 10 and a rotating assembly, the rotating assembly is arranged in the bearing piece 3, the bottom of the rotating plate 10 is connected with the output end of the rotating assembly, and the sensor body 4 is arranged on the rotating plate 10. The rotating assembly is started, the rotating assembly drives the rotating plate 10 to rotate, and the rotating plate 10 can drive the sensor body 4 to rotate.

The rotating assembly comprises a second motor 11, a second speed reducer 12 and a rotating shaft 13, the second motor 11 is used for driving the second speed reducer 12, the second motor 11 is powered by a storage battery, one end of the rotating shaft 13 is connected with the output end of the second speed reducer 12, and the other end of the rotating shaft 13 extends out of the bearing piece 3 in a protruding mode and is connected with the bottom of the rotating plate 10. And starting the second motor 11, driving a second speed reducer 12 by the second motor 11, driving a rotating shaft 13 to rotate by the second speed reducer 12, and driving the rotating plate 10 to rotate by the rotating shaft 13.

A support member 14 is arranged on the rotating plate 10, one end of the support member 14 is connected with the rotating plate 10, and the other end of the support member 14 is hinged to the sensor body 4. So set up for can the omnidirectional rotation, thereby further improved sensor body 4's detection range.

The carrier bar 1 is provided with a through hole 15 for the connecting rope 2 to extend out of the carrier bar 1.

The speed measuring sensor comprises a lead group 16 used for transmitting signals and providing power, a volute spiral spring 17 is arranged in the cavity 5, the lead group 16 is connected with the volute spiral spring 17, and one end of the lead group 16 extends out of the bearing rod 1 through a through hole 15 to be connected with the sensor body 4. Through the action of the volute spiral spring 17, when the sensor body 4 moves downwards, the lead group 16 can extend, and when the sensor body 4 moves upwards, the lead group 16 can be wound and shortened, so that the lead group 16 is kept in a stretched state all the time, and the safety of a circuit is ensured; the working principle of the combination of the wire assembly 16 and the spiral spring 17 is the same as that of the prior art tape measure, and will not be described in detail herein.

The bearing rod 1 is provided with a pulley 18 at the through hole 15, and the wire group 16 and the connecting rope 2 slide on the pulley 18. So set up, play the guard action to wire group 16 and connection rope 2 to avoid the through-hole 15 department of carrier bar 1 to cause the harm to wire group 16 and connection rope 2.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. A speed measurement sensor is characterized in that: including carrier bar (1), connection rope (2), hold carrier (3), slewing mechanism and sensor body (4), be equipped with cavity (5) in carrier bar (1), be equipped with elevating system in cavity (5), the surface of carrier bar (1) is equipped with the recess, the one end that holds carrier (3) slide set up in the recess, the one end of connecting rope (2) with elevating system's output is connected, the other end of connecting rope (2) with hold carrier (3) and connect, slewing mechanism locates hold on carrier (3), sensor body (4) with slewing mechanism's output is connected.

2. A tacho-generator according to claim 1, wherein: the lifting mechanism comprises a first motor (6), a first speed reducer (7), a screw rod (8) and a ball nut (9), the first motor (6) is used for driving the first speed reducer (7), the output end of the first speed reducer (7) is in transmission connection with the screw rod (8), the ball nut (9) is sleeved on the screw rod (8), and one end of the connecting rope (2) is connected with the ball nut (9).

3. A tacho-generator according to claim 1, wherein: the rotating mechanism comprises a rotating plate (10) and a rotating assembly, the rotating assembly is arranged in the bearing piece (3), the bottom of the rotating plate (10) is connected with the output end of the rotating assembly, and the sensor body (4) is arranged on the rotating plate (10).

4. A tacho sensor as claimed in claim 3, wherein: the rotating assembly comprises a second motor (11), a second speed reducer (12) and a rotating shaft (13), the second motor (11) is used for driving the second speed reducer (12), one end of the rotating shaft (13) is connected with the output end of the second speed reducer (12), and the other end of the rotating shaft (13) extends out of the bearing piece (3) in a protruding mode and is connected with the bottom of the rotating plate (10).

5. A tacho-generator according to claim 4, wherein: the sensor is characterized in that a supporting piece (14) is arranged on the rotating plate (10), one end of the supporting piece (14) is connected with the rotating plate (10), and the other end of the supporting piece (14) is hinged to the sensor body (4).

6. A tacho-generator according to claim 5, wherein: the bearing rod (1) is provided with a through hole (15) for the connecting rope (2) to extend out of the bearing rod (1).

7. A tacho-generator according to claim 6, wherein: the speed measurement sensor comprises a lead group (16) used for transmitting signals and providing power, a volute spiral spring (17) is arranged in the cavity (5), the lead group (16) is connected with the volute spiral spring (17), and one end of the lead group (16) extends out of the bearing rod (1) through a through hole (15) to be connected with the sensor body (4).

8. A tacho sensor as claimed in claim 7, wherein: the bearing rod (1) is provided with a pulley (18) at the through hole (15), and the wire group (16) and the connecting rope (2) both slide on the pulley (18).