Gear motor speed measurement detection device

Abstract

The utility model provides a gear motor speed measurement detection device, which comprises a gear motor, the gear motor is provided with a shell, a rotor is rotatably arranged in the shell, a speed measurement disc is sleeved on the rotor, speed measurement points are distributed on the speed measurement disc, a speed measurement assembly is arranged on the side wall of the shell, and the speed measurement assembly is connected with the shell. The speed measuring assembly corresponds to the position of the speed measuring point; by arranging the independent speed measuring assembly, the device can be directly connected with measuring equipment during use, when the accuracy of the device needs to be detected, a testing needle can be connected into the speed measuring assembly, then an oscilloscope is started for waveform reading, if an abnormal signal is a rectangular wave, it can be judged that the speed measuring assembly breaks down, and the accuracy of the device is improved. The speed measurement sensor does not need to be disassembled in the detection process.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic stations, in particular to a gear motor speed measuring and detecting device. Background Art

[0002] The hydraulic station is a hydraulic source device or a hydraulic device including a control valve, which is composed of a hydraulic pump, a driving motor, an oil tank, a directional valve, a throttle valve, a relief valve, etc. The oil is supplied according to the flow direction, pressure and flow required by the driving device. It is suitable for various machines where the driving device is separated from the hydraulic station. The hydraulic station is connected to the driving device (oil cylinder or motor) with an oil pipe, and the hydraulic system can achieve various prescribed actions.

[0003] As a driving component of the hydraulic station, the performance of the gear motor directly affects the use effect of the hydraulic station. At present, many gear motors have a speed measurement function. The flow of the hydraulic station can be known by measuring the speed of the hydraulic motor. However, the speed measurement structure of the existing gear motor is generally fixed in the shell. When the speed sensor needs to be tested, it needs to be disassembled and removed, which is very inconvenient.

[0004] Therefore, there is an urgent need for a gear motor speed measuring device that can solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a gear motor speed measuring device to solve the problems existing in the above-mentioned prior art.

[0006] To achieve the above purpose, the utility model provides the following solutions:

[0007] The utility model provides a gear motor speed measuring detection device, comprising a gear motor, wherein the gear motor is provided with a shell, a rotor is rotatably provided in the shell, a speed measuring disk is sleeved on the rotor, speed measuring points are distributed on the speed measuring disk, a speed measuring component is provided on the side wall of the shell, and the speed measuring component corresponds to the position of the speed measuring points.

[0008] Preferably, the rotor adopts a spline shaft.

[0009] Preferably, the speed measuring disc comprises a disc body, a mounting hole is provided in the middle of the disc body, the mounting hole cooperates with the spline shaft, and the speed measuring point is arranged at the edge of the disc body.

[0010] Preferably, a mounting step is provided on the side of the shell, a through hole is provided in the middle of the mounting step, and an external thread is provided on the outer side of the mounting step for mounting the speed measuring component.

[0011] Preferably, the speed measuring component includes a mounting cap, the mounting cap is provided with an internal thread matching the external thread, a speed sensor is provided at one end of the mounting cap, the speed sensor corresponds to the position of the speed measuring point, and a connecting socket is provided at the other end of the mounting cap, and the connecting socket is electrically connected to the speed sensor.

[0012] Preferably, a sealing gasket is provided between the mounting step and the mounting cap.

[0013] Compared with the prior art, the utility model has achieved the following beneficial technical effects:

[0014] The utility model provides a gear motor speed measuring detection device, comprising a gear motor, wherein the gear motor is provided with a shell, a rotor is rotatably provided in the shell, a speed measuring disk is sleeved on the rotor, speed measuring points are distributed on the speed measuring disk, a speed measuring component is provided on the side wall of the shell, and the speed measuring component corresponds to the position of the speed measuring points; by setting a separate speed measuring component, it can be directly connected to a measuring device when in use, when it is necessary to detect its accuracy, the test needle can be connected to the speed measuring component, and then the oscilloscope can be turned on to read the waveform, if the abnormal signal is a long square wave, it can be judged that the speed measuring component is faulty, and the speed measuring sensor does not need to be disassembled during the detection process, and it is very convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 The utility model provides a schematic structural diagram of a gear motor speed measuring and detecting device. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The utility model aims to provide a gear motor speed measuring and detecting device to solve the problems existing in the prior art.

[0019] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Embodiment 1:

[0021] This embodiment provides a gear motor speed detection device, such as Figure 1 As shown, the gear motor includes a shell 1, a rotor 2 is rotatably provided in the shell 1, a speed measuring disk 3 is sleeved on the rotor 2, speed measuring points 31 are distributed on the speed measuring disk 3, and a speed measuring component 4 is provided on the side wall of the shell 1, and the speed measuring component 4 corresponds to the speed measuring point 31.

[0022] Specifically, the rotor 2 adopts a spline shaft.

[0023] Correspondingly, the speed measuring disc 3 includes a disc body 32 , a mounting hole is provided in the middle of the disc body 32 , the mounting hole matches with the spline shaft, and the speed measuring point 31 is arranged at the edge of the disc body 32 .

[0024] Furthermore, a mounting step 11 is provided on the side of the housing 1 , a through hole 12 is provided in the middle of the mounting step 11 , and an external thread is provided on the outer side of the mounting step 11 for mounting the speed measuring component 4 .

[0025] Furthermore, the speed measuring component 4 includes a mounting cap 41, which is provided with an internal thread matching the external thread. A speed sensor 42 is provided at one end of the mounting cap 41, and the speed sensor 42 corresponds to the position of the speed measuring point 31. A connecting socket 43 is provided at the other end of the mounting cap 41, and the connecting socket 43 is electrically connected to the speed sensor 42.

[0026] Furthermore, a sealing gasket 5 is provided between the mounting step 11 and the mounting cap 41 to ensure sealing.

[0027] The utility model provides a gear motor speed detection device, which inserts the pin of the measuring device into the connecting jack 43 when in use, and then the speed sensor 42 can be connected to the measuring device to obtain the rotation speed. When it is necessary to detect the accuracy of the speed sensor 42, the measuring device is disconnected, and the test pin of the oscilloscope is inserted into the connecting jack 43, and then the oscilloscope is turned on to read the waveform. If the abnormal signal is a long square wave, it can be determined that the speed sensor 42 is faulty. The speed sensor does not need to be disassembled during the detection process, and it is very convenient to use.

[0028] The utility model uses specific examples to illustrate the principle and implementation of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. At the same time, for those skilled in the art, according to the idea of ​​the utility model, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A gear motor speed detection device, comprising a gear motor, wherein the gear motor is provided with a housing, and a rotor is rotatably provided in the housing, wherein: The rotor is sleeved with a speed measuring disc, on which speed measuring points are distributed. The side wall of the shell is provided with a speed measuring component, and the speed measuring component corresponds to the position of the speed measuring points.

2. The gear motor speed detection device according to claim 1, characterized in that: The rotor adopts a spline shaft.

3. The gear motor speed detection device according to claim 2, characterized in that: The speed measuring disc comprises a disc body, a mounting hole is provided in the middle of the disc body, the mounting hole matches with the spline shaft, and the speed measuring point is arranged at the edge of the disc body.

4. The gear motor speed detection device according to claim 1, characterized in that: A mounting step is provided on the side of the shell, a through hole is provided in the middle of the mounting step, and an external thread is provided on the outer side of the mounting step for mounting the speed measuring component.

5. The gear motor speed detection device according to claim 4, characterized in that: The speed measuring component includes a mounting cap, which is provided with an internal thread that matches the external thread. A speed sensor is provided at one end of the mounting cap, and the speed sensor corresponds to the position of the speed measuring point. A connecting socket is provided at the other end of the mounting cap, and the connecting socket is electrically connected to the speed sensor.

6. The gear motor speed detection device according to claim 5, characterized in that: A sealing gasket is provided between the mounting step and the mounting cap.

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