阅读说明：本技术 一种用于竖井贯流泵上的叶片角度测量及信号传输装置 (Blade angle measuring and signal transmission device for vertical shaft tubular pump ) 是由 陈晔 顾晓峰 姜玮 朱朝明 杭丹 王飞 吕犇 于 2020-05-22 设计创作，主要内容包括：本发明公开了一种用于竖井贯流泵上的叶片角度测量及信号传输装置。该装置可以包括：位移反馈机构,所述位移反馈机构的一端与操作杆的另一端相铰接,滑位移传感器,所述位移信号输入端与位移反馈机构相连从而对位移反馈机构的位移距离进行测量,电压信号采集器,所述电压信号采集器与所述位移信号输出端电连接,本发明通过位移传感器可以将位移反馈机构的位移信号转化为电信号,再通过电压信号采集器采集后传出,从而使本装置可以在水泵运行的过程中进行实时测量、自动读取与数据上传,并且在旋转过程中本装置对叶片角度测量精度满足测量精度要求,检测的叶片角度信号不会失真或中断,从而实现叶片角度实时监测的需求。(The invention discloses a blade angle measuring and signal transmitting device for a vertical shaft tubular pump. The apparatus may include: the device comprises a displacement feedback mechanism, a displacement signal input end and a voltage signal collector, wherein one end of the displacement feedback mechanism is hinged with the other end of an operating rod, a displacement sensor is slid, the displacement signal input end is connected with the displacement feedback mechanism so as to measure the displacement distance of the displacement feedback mechanism, and the voltage signal collector is electrically connected with the displacement signal output end.)

1. A blade angle measuring and signal transmission device for a shaft tubular pump, wherein the transmission device comprises a shell, an operating rod and an adjusting mechanism, the operating rod is positioned in the shell, the adjusting mechanism is used for driving the operating rod to axially move, one end of the operating rod is connected with the tail end of a main shaft of the shaft tubular pump, the shell is connected with the low-speed end of a gear box through a coupler, and the blade angle measuring and signal transmission device is characterized by further comprising:

one end of the displacement feedback mechanism is hinged with the other end of the operating rod;

the sliding mechanism is arranged in the shell, and the other end of the displacement feedback mechanism is connected with the sliding mechanism;

the finger needle rod is connected with the operating rod and moves synchronously with the operating rod in the axial direction;

the displacement sensor at least comprises a displacement signal input end and a displacement signal output end, and the displacement signal input end is connected with the displacement feedback mechanism so as to measure the displacement distance of the displacement feedback mechanism;

the voltage signal collector is connected with the displacement signal output end;

the power supply provides working voltage for the displacement sensor and the voltage signal collector;

the voltage signal collector and the power supply are both arranged on the shell.

2. The blade angle measuring and signal transmitting device for the shaft tubular pump as recited in claim 1, wherein the sliding mechanism is a sliding rail, the displacement feedback mechanism comprises a pointer rod, one end of the pointer rod is slidably connected with the sliding rail, and the displacement signal input end is connected with the pointer rod.

3. The blade angle measuring and signal transmitting device for the shaft tubular pump as recited in claim 2, wherein the displacement feedback mechanism further comprises a support plate and a connecting rod, one end of the support plate is hinged to the operating rod, the other end of the support plate is connected with one end of the connecting rod, and the other end of the connecting rod is connected with the other end of the finger rod.

4. The blade angle measuring and signal transmitting device for the shaft tubular pump as recited in claim 2, wherein a viewing cover for viewing the position of the needle rod is provided on the housing and corresponding to the guide rail.

5. The blade angle measuring and signal transmitting device for the shaft tubular pump as claimed in claim 1, wherein the displacement sensor is installed inside the casing, the voltage signal collector and the power supply are installed outside the casing, and the casing is provided with a threading hole.

6. The blade angle measuring and signal transmitting device for a shaft tubular pump of claim 5, wherein the power source is a battery, and the battery is mounted on the housing through a battery box.

7. The blade angle measuring and signal transmitting device for the shaft tubular pump as claimed in claim 1, wherein the adjusting mechanism comprises a worm wheel, a worm, a turbine seat, a bearing seat and roller bearings, the turbine seat and the bearing seat are installed in the housing, the worm wheel is located in the turbine seat, the worm is meshed with the worm wheel, the number of the roller bearings is 2, two roller bearings are respectively sleeved at two ends of the worm wheel, one of the roller bearings is installed in the turbine seat, and the other roller bearing is installed in the bearing seat.

8. The blade angle measuring and signal transmitting device for the shaft tubular pump as recited in claim 7, wherein the operation rod comprises a connection part connected with a main shaft of the shaft tubular pump, a driving part located at the center of the worm gear and a connection part hinged with the displacement feedback mechanism, wherein the driving part is in threaded connection with the worm gear through a trapezoidal thread pair.

9. The blade angle measuring and signal transmitting device for a vertical shaft tubular pump of claim 4, wherein the observation cover is made of glass.

10. The blade angle measuring and signal transmitting device for the shaft tubular pump as recited in claim 7, wherein the turbine housing and the bearing housing are installed in the casing after being connected by bolts.

Technical Field

The invention relates to the field of water pump related equipment, in particular to a blade angle measuring and signal transmitting device for a vertical shaft tubular pump.

Background

Vertical axial-flow pumps (motors are directly connected with water pumps) in large axial-flow pump units and vertical axial-flow pump units generally adopt mechanical and manual adjusting devices to adjust the angles of water pump blades. The vertical axial flow pump unit has the advantages that the blade adjusting mechanism can be arranged at the top of the motor, the blade adjusting mechanism and the blade angle signal acquisition device are arranged in a large installation space and at a fixed position, the device can be connected with an upper computer in a wired mode, and blade angle signals are transmitted to the upper computer in real time. The blade adjusting mechanism of the vertical shaft tubular pump unit is arranged at the connection position of the tail end of a main shaft of the water pump and a low-speed shaft of the gear box, the adjusting mechanism and the main shaft rotate together when the water pump is in a running state, and a wired angle measuring device cannot be arranged at the tail end of the main shaft, so that blade angle signals can be read only on an indicating mechanism (instrument panel) on the adjusting device when the water pump is in a static state.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The invention aims to provide a blade angle measuring and signal transmission device for a vertical shaft tubular pump, which can realize real-time measurement, automatic reading and data uploading of the blade angle under the working state of a water pump.

In order to achieve the above object, the present invention provides a blade angle measuring and signal transmitting device for a shaft tubular pump, the transmitting device includes a housing, an operating rod located in the housing, and an adjusting mechanism for driving the operating rod to move axially, one end of the operating rod is connected to a terminal of a main shaft of the shaft tubular pump, the housing is connected to a low-speed end of a gear box through a coupling, and the device further includes:

one end of the displacement feedback mechanism is hinged with the other end of the operating rod;

the sliding mechanism is arranged in the shell, and the other end of the displacement feedback mechanism is connected with the sliding mechanism;

the finger needle rod is connected with the operating rod and moves synchronously with the operating rod in the axial direction;

the displacement sensor at least comprises a displacement signal input end and a displacement signal output end, and the displacement signal input end is connected with the displacement feedback mechanism so as to measure the displacement distance of the displacement feedback mechanism;

the voltage signal collector is connected with the displacement signal output end;

the power supply provides working voltage for the displacement sensor and the voltage signal collector;

the voltage signal collector and the power supply are both arranged on the shell.

Optionally, the sliding mechanism is a sliding rail, the displacement feedback mechanism includes a pointer rod, one end of the pointer rod is connected with the sliding rail in a sliding manner, and the displacement signal input end is connected with the pointer rod.

Optionally, the displacement feedback mechanism further comprises a supporting plate and a connecting rod, one end of the supporting plate is hinged to the operating rod, the other end of the supporting plate is connected with one end of the connecting rod, and the other end of the connecting rod is connected with the other end of the finger rod.

Optionally, an observation cover for observing the position of the finger rod is arranged on the housing and corresponding to the guide rail.

Optionally, the displacement sensor is mounted inside the casing, the voltage signal collector and the power supply are mounted outside the casing, and the casing is provided with a threading hole.

Optionally, the power supply is a storage battery, and the storage battery is mounted on the casing through a battery box.

Optionally, adjustment mechanism includes worm wheel, worm, turbine seat, bearing frame and roller bearing, turbine seat and bearing frame install in the casing, the worm wheel is located in the turbine seat, the worm with the worm wheel meshing, roller bearing's quantity is 2, two roller bearing overlaps respectively and locates the both ends of worm wheel, one of them roller bearing install in the turbine seat, another roller bearing installs in the bearing frame.

Optionally, the operating rod comprises a connecting part connected with the main shaft of the shaft tubular pump, a driving part located at the center of the worm gear and a connecting part hinged with the displacement feedback mechanism, wherein the driving part is in threaded connection with the worm gear through a trapezoidal thread pair.

Optionally, the observation cover is made of glass.

Optionally, the turbine seat and the bearing seat are connected by a bolt and then installed in the housing.

The invention has the beneficial effects that: the displacement sensor can convert the displacement signal of the displacement feedback mechanism into an electric signal, and the electric signal is transmitted in a wireless mode after being collected by the voltage signal collector, so that the device can transmit a detection signal in real time in the running process of the water pump.

The apparatus of the present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts.

FIG. 1 shows a schematic cross-sectional structural view of a blade angle measurement and signal transmission device for a vertical well tubular pump according to one embodiment of the present invention.

In the figure: the device comprises a shell 1, an operating rod 2, a displacement sensor 3, a voltage signal collector 4, a battery box 5, a sliding rail 6, a needle rod 7, a supporting plate 8, a connecting rod 9, an observation cover 10, a threading hole 11, a worm wheel 12, a worm 13, a worm wheel seat 14, a bearing seat 15 and a roller bearing 16.

Detailed Description

The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The invention discloses a blade angle measuring and signal transmission device used on a shaft tubular pump, which comprises a shell, an operating rod and an adjusting mechanism, wherein the operating rod is positioned in the shell, the adjusting mechanism is used for driving the operating rod to axially move, one end of the operating rod is connected with the tail end of a main shaft of the shaft tubular pump, the shell is connected with the low-speed end of a gear box through a coupler, and the blade angle measuring and signal transmission device is characterized by further comprising:

one end of the displacement feedback mechanism is hinged with the other end of the operating rod;

the sliding mechanism is arranged in the shell, and the other end of the displacement feedback mechanism is connected with the sliding mechanism;

the pointer rod is connected with the operating rod and moves synchronously with the operating rod in the axial direction;

the displacement sensor at least comprises a displacement signal input end and a displacement signal output end, and the displacement signal input end is connected with the displacement feedback mechanism so as to measure the displacement distance of the displacement feedback mechanism;

the voltage signal collector is connected with the displacement signal output end;

the power supply provides working voltage for the displacement sensor and the voltage signal collector;

wherein, voltage signal collector and power are all installed on the casing.

The power supply is used for supplying power to the displacement sensor and the voltage signal collector, the displacement of the operating rod fed back by the displacement feedback mechanism can be detected through the displacement sensor, a detection signal is transmitted into the voltage signal collector, and the voltage signal collector transmits the detection signal to an external receiving device in a wireless transmission mode. Therefore, the device can measure the angle of the blade of the water pump in real time, automatically read and upload data when the water pump works.