CN217359940U

CN217359940U - Gear revolution speed sensor convenient to installation

Info

Publication number: CN217359940U
Application number: CN202123368523.6U
Authority: CN
Inventors: 奚道安
Original assignee: Shanghai Daokun Technology Co ltd
Current assignee: Shanghai Daokun Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-09-02
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a gear speed sensor convenient to installation. The device comprises a bottom plate, a hydraulic cylinder and a detection assembly are arranged on the bottom plate, the hydraulic cylinder is connected with a fixed support through a hydraulic telescopic rod, the fixed support is used for fixing equipment to be detected, the detection assembly is provided with an inlet and an outlet, a gear enters the detection assembly through the inlet and the outlet, two distance sensors are symmetrically arranged on opposite side surfaces of the inlet and the outlet, the side wall of the detection assembly is provided with a plurality of magnetic columns, coils are arranged on the outer sides of the magnetic columns in a surrounding mode, the coils are connected with a current amplifier, the current amplifier and the distance sensors are electrically connected with a controller, the position of a rotating shaft is detected through the two distance sensors, the gear is ensured to be positioned in the middle area of the detection assembly, the magnetic columns are driven to move in the rotating process of the gear, so that the coils generate induction current and are amplified by the current amplifier and then are conveyed to the controller, the controller calculates the current, and is relative to other gear rotating speed sensors, the installation is got up more conveniently and is used more conveniently.

Description

Gear revolution speed sensor convenient to installation

Technical Field

The utility model belongs to the technical field of speed sensor, a gear speed sensor convenient to installation particularly.

Background

The rotation speed sensor is a sensor that converts the rotation speed of a rotating object into an electric quantity to be output. The rotation speed sensor belongs to an indirect measuring device and can be manufactured by a mechanical method, an electrical method, a magnetic method, an optical method and a mixed method. The rotation speed sensor can be divided into an analog type and a digital type according to different signal forms. The rotation speed sensor uses a magnetic sensitive resistor as an inductive element, and is a novel rotation speed sensor. The core component adopts a magnetic sensitive resistor as a detection element, and the noise is reduced through a brand new signal processing circuit, so that the function is more complete. Compared with the output waveform of other types of tooth speed sensors, the measured speed has extremely small error and good consistency of linear characteristics. When the tested object is provided with a convex (or concave) magnetic or magnetic conductive material, the sensor outputs a pulse signal related to the rotation frequency along with the rotation of the tested object, so as to achieve the purpose of sending a signal for speed measurement or displacement detection. The existing gear rotation speed sensor is generally checked by a manual work or a dynamometer system. The dynamometer system is used for detecting the performance of the gear rotating speed sensor, the dynamometer system is used for detecting, the test process of the test mode is complex, and the equipment installation is complex.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to solve the problem that the installation of the existing gear speed sensor is complicated and the use is inconvenient.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a gear speed sensor convenient to installation, comprising a base plate, be equipped with pneumatic cylinder and determine module on the bottom plate, the pneumatic cylinder is connected with the fixed bolster through hydraulic telescoping rod, the fixed bolster is used for the fixed equipment of examining to examine, determine module is equipped with the access & exit, wait to examine in the gear of examining equipment gets into determine module through the access & exit, access & exit opposite side symmetry is equipped with two distance sensor, determine module's lateral wall is equipped with a plurality of magnetic column, the magnetic column outside is around being equipped with the coil, the coil connection has current amplifier, current amplifier with the distance sensor electricity is connected with the controller, the controller with the control switch electricity of pneumatic cylinder is connected.

Preferably, a plurality of grooves are uniformly formed in the inner wall of the detection assembly, the magnetic columns are arranged in the grooves and can freely move in the grooves along the length direction, and the diameters of the two ends of each magnetic column are gradually enlarged to form limiting blocks.

Preferably, the distance of the magnetic column protruding out of the inner wall of the detection assembly is 2-4 cm.

Preferably, the bottom plate is further provided with a horizontal moving assembly connected with the hydraulic cylinder, and the horizontal moving assembly is used for driving the hydraulic cylinder to be close to or far away from the detection assembly.

Preferably, the horizontal moving assembly is a horizontal rail, and the hydraulic cylinder is arranged on the horizontal rail through a driving device.

Preferably, the detection assembly is further provided with a control panel, and the control panel is electrically connected with the controller.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses a gear speed sensor convenient to installation, comprising a base plate, be equipped with pneumatic cylinder and determine module on the bottom plate, the pneumatic cylinder is connected with the fixed bolster through hydraulic telescoping rod, the fixed bolster is used for the fixed equipment of examining, determine module is equipped with the access & exit, the gear of examining equipment of examining passes through in the access & exit gets into determine module, access & exit opposite side symmetry is equipped with two distance sensor, determine module's lateral wall is equipped with a plurality of magnetic column, the magnetic column outside is encircleed and is equipped with the coil, the coil connection has current amplifier, current amplifier and distance sensor electricity are connected with the controller, the controller is connected with the control switch electricity of pneumatic cylinder. Wait to examine check out test set and place on the fixed bolster, it reciprocates in the determine module to drive the gear through pneumatic cylinder drive hydraulic telescoping rod, and detect the position of axis of rotation through two distance sensor, thereby guarantee that the axis of rotation is located the centre of access & exit, the gear position is in determine module's middle zone, open and wait to detect equipment, the gear begins to rotate, gear pivoted in-process drives the magnetic column and takes place to remove, thereby make the coil produce induced-current and carry for the controller after being enlargied by current amplifier, the size of corresponding electric current is calculated to the controller, for other gear speed sensor, it is more convenient and more convenient to use to install.

Drawings

Fig. 1 is a schematic structural view of a gear rotation speed sensor convenient to mount according to the present invention;

fig. 2 is a schematic structural diagram of the detecting assembly of the present invention.

The reference numerals in the schematic drawings illustrate:

110. a base plate; 120. a hydraulic cylinder; 121. a hydraulic telescopic rod; 122. a fixed bracket; 130. detecting equipment to be detected; 131. a rotating shaft; 132. a gear; 140. a detection component; 141. a control panel; 142. an entrance and an exit; 143. a distance sensor; 144. a controller; 145. a magnetic column; 146. a coil; 147. a limiting block; 148. and a current amplifier.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1 and fig. 2, the gear rotation speed sensor convenient to mount in this embodiment includes a bottom plate 110, a hydraulic cylinder 120 and a detection assembly 140 are disposed on the bottom plate 110, the hydraulic cylinder 120 is connected to a fixing support 122 through a hydraulic telescopic rod 121, the fixing support 122 is used for fixing a device 130 to be detected, the detection assembly 140 is provided with an inlet 142, a gear 132 of the device 130 to be detected enters the detection assembly 140 through the inlet 142, two distance sensors 143 are symmetrically disposed on opposite side surfaces of the inlet 142, a plurality of magnetic columns 145 are disposed on a side wall of the detection assembly 140, a coil 146 is disposed around an outer side of each magnetic column 145, the coil 146 is connected to a current amplifier 148, the current amplifier 148 and the distance sensors 143 are electrically connected to a controller 144, and the controller 144 is electrically connected to a control switch of the hydraulic cylinder 120. The device of this embodiment places equipment 130 to be detected on fixed bolster 122, drive hydraulic telescoping rod 121 through pneumatic cylinder 120 and drive gear 132 and reciprocate in detection component 140, and detect the position of axis of rotation 131 through two distance sensor 143, thereby guarantee that axis of rotation 132 is located the centre of access & exit 142, gear 132 position is in the middle zone of detection component 140, open equipment 130 to be detected, gear 132 begins to rotate, gear 132 pivoted in-process drives magnetic column 145 and takes place the removal, thereby make coil 146 produce induced current and carry for controller 144 after being enlargied by current amplifier 148, controller 144 calculates the size of corresponding electric current, for other gear speed sensor, it is more convenient and more convenient to use to install.

Specifically, the inner wall of the detection assembly 140 of this embodiment is uniformly provided with a plurality of grooves, the magnetic column 145 is disposed in the grooves, the magnetic column 145 can freely move in the grooves along the length direction, the diameters of the two ends of the magnetic column 145 gradually expand to form limiting blocks 147, the magnetic column 145 can be guaranteed to freely move, meanwhile, the magnetic column cannot fall off from the grooves, and normal operation of the device is guaranteed.

The distance of the magnetic column 145 protruding out of the inner wall of the detection component 140 is 2-4 cm. The bottom plate 110 is further provided with a horizontal moving component connected with the hydraulic cylinder 120, and the horizontal moving component is used for driving the hydraulic cylinder 120 to approach or leave the detection component 140. The horizontal moving component is a horizontal rail, and the hydraulic cylinder 120 is disposed on the horizontal rail through a driving device. The detecting assembly 140 is further provided with a control panel 141, and the control panel 141 is electrically connected with the controller 144.

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a gear speed sensor convenient to installation which characterized in that: including bottom plate (110), be equipped with pneumatic cylinder (120) and detecting element (140) on bottom plate (110), pneumatic cylinder (120) are connected with fixed bolster (122) through hydraulic telescoping rod (121), fixed bolster (122) are used for the fixed equipment (130) of waiting to examine, detecting element (140) are equipped with access & exit (142), gear (132) of waiting to examine equipment (130) get into in detecting element (140) through access & exit (142), access & exit (142) opposite side symmetry is equipped with two distance sensor (143), the lateral wall of detecting element (140) is equipped with a plurality of magnetic pillar (145), the outside encircleing of magnetic pillar (145) is equipped with coil (146), coil (146) are connected with current amplifier (148), current amplifier (148) and distance sensor (143) electricity is connected with controller (144), the controller (144) is electrically connected with a control switch of the hydraulic cylinder (120).

2. A gear speed sensor for easy installation according to claim 1, wherein: the inner wall of the detection assembly (140) is uniformly provided with a plurality of grooves, the magnetic columns (145) are arranged in the grooves, the magnetic columns (145) can freely move in the grooves along the length direction, and the diameters of the two ends of the magnetic columns (145) are gradually enlarged to form limiting blocks (147).

3. A readily installable gear speed sensor according to claim 1 wherein: the distance of the magnetic column (145) protruding out of the inner wall of the detection assembly (140) is 2-4 cm.

4. A gear speed sensor for easy installation according to claim 1, wherein: the bottom plate (110) is further provided with a horizontal moving assembly which is connected with the hydraulic cylinder (120), and the horizontal moving assembly is used for driving the hydraulic cylinder (120) to be close to or far away from the detection assembly (140).

5. A gear speed sensor for easy installation according to claim 4, wherein: the horizontal moving assembly is a horizontal rail, and the hydraulic cylinder (120) is arranged on the horizontal rail through a driving device.

6. A gear speed sensor for easy installation according to claim 1, wherein: the detection assembly (140) is further provided with a control panel (141), and the control panel (141) is electrically connected with the controller (144).