CN211490396U - Hub variable-pitch bolt stretching device - Google Patents
Hub variable-pitch bolt stretching device Download PDFInfo
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- CN211490396U CN211490396U CN201921392044.8U CN201921392044U CN211490396U CN 211490396 U CN211490396 U CN 211490396U CN 201921392044 U CN201921392044 U CN 201921392044U CN 211490396 U CN211490396 U CN 211490396U
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Abstract
The utility model provides a hub becomes oar bolt stretching device, including bearing car, touch-sensitive screen, programmable logic controller, pressure sensor and hydraulic system, wherein: the programmable logic controller is accommodated in the upper accommodating box, and the hydraulic system is accommodated in the lower accommodating box; the pressure sensor is fixed at an oil outlet of the hydraulic system and is connected with the programmable logic controller; the front surface of the upper layer accommodating box is provided with an opening, the touch screen is buckled in the opening, and the touch screen is connected with the programmable logic controller; the touch screen is used for setting output pressure and sending an output pressure signal to the programmable logic controller, the programmable logic controller is used for controlling the hydraulic system according to the output pressure signal, the hydraulic system is used for discharging hydraulic oil, the hydraulic oil exerts stretching force on the hub variable-pitch bolt, and the pressure sensor is used for detecting the pressure at an oil port and sending the pressure to the programmable logic controller.
Description
Technical Field
The utility model relates to a wind-powered electricity generation technical field, in particular to wheel hub becomes oar bolt stretching device.
Background
The variable pitch system is one of the core parts of a large-scale wind turbine control system, and plays an important role in safe, stable and efficient operation of the wind turbine. The stable pitch control becomes one of the hot spots and difficulties of the current large-scale wind generating set control technology research. The pitch control technology is simply that the attack angle of airflow to the blades is changed by adjusting the pitch angle of the blades, and then the aerodynamic torque and the aerodynamic power captured by the wind wheel are controlled. The variable pitch mechanism is arranged at the front part of the hub, and a gear is arranged at the root parts of the hub and the blade to connect the hub and the blade. The outer motor controls the pitch through a gear or a toothed transmission belt. The outboard motor and the rest of the pitch system are within the hub and drive with it. With the rapid development of wind power generation technology, wind turbine generators are developing from constant speed and constant frequency to variable speed and constant frequency and from fixed pitch to variable pitch. The variable pitch wind turbine generator has become the mainstream model of the current wind turbine generator due to the advantages of capability of capturing wind energy to the maximum extent, stable output power, small stress of the generator and the like.
In the manufacturing and installing process of the hub variable propeller, bolt stretching operation is needed, bolts are stretched by a manual hydraulic stretching pump generally at present, the connection reliability and the production efficiency are low, the workload is large, the efficiency is low, the automatic recording function cannot be realized, the abnormal alarming function cannot be realized, the automatic pressurizing function cannot be realized, and the MES butt joint function with a production process execution system of a manufacturing enterprise cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wheel hub becomes oar bolt stretching device to solve the problem that current wheel hub becomes oar bolt stretching inefficiency.
In order to solve the technical problem, the utility model provides a wheel hub becomes oar bolt stretching device, wheel hub becomes oar bolt stretching device including bearing car, touch-sensitive screen, programmable logic controller, pressure sensor and hydraulic system, wherein:
the bearing vehicle comprises an upper-layer containing box, a lower-layer containing box, a first support frame and a second support frame, wherein the first support frame and the second support frame are both square frames, the bottoms of the first support frame and the second support frame are respectively welded on two sides of the top of the lower-layer containing box, the upper-layer containing box is positioned between the first support frame and the second support frame, the edge of the left side plate of the upper-layer containing box is welded on the first support frame, and the edge of the right side plate of the upper-layer containing box is welded on the second support frame;
the programmable logic controller is accommodated in the upper accommodating box, and the hydraulic system is accommodated in the lower accommodating box;
the pressure sensor is fixed at an oil outlet of the hydraulic system and is connected with the programmable logic controller;
the front surface of the upper layer accommodating box is provided with an opening, the touch screen is buckled in the opening, and the touch screen is connected with the programmable logic controller;
the touch screen is used for setting output pressure and sending an output pressure signal to the programmable logic controller, the programmable logic controller is used for controlling the hydraulic system according to the output pressure signal, the hydraulic system is used for discharging hydraulic oil, the hydraulic oil applies stretching force to a hub variable-pitch bolt, and the pressure sensor is used for detecting the pressure at an oil port and sending the pressure to the programmable logic controller.
Optionally, in the hub pitch bolt stretching device, the hydraulic system includes an oil tank, a handle switch, a hydraulic pump and a proportional valve, wherein:
the oil tank is used for storing hydraulic oil;
the handle switch is used for controlling the starting and stopping of the hydraulic pump;
and the programmable logic controller sends the output pressure to the proportional valve, and the proportional valve is used for automatically controlling the output pressure of the hydraulic oil.
Optionally, in the hub pitch bolt stretching device, the handle switch includes a liquid crystal display, an automatic button, an on button, and an off button, wherein:
the liquid crystal screen is used for displaying the on-off state of the hydraulic pump;
the automatic button is used for allowing the proportional valve to automatically control the output pressure of the hydraulic oil;
the starting button is used for starting the hydraulic pump;
the shut-off button is used to shut off the hydraulic pump.
Optionally, in the hub pitch bolt stretching device, four sliding wheels are mounted on the bottom surface of the lower accommodating box.
In the utility model provides an among the wheel hub becomes oar bolt stretching device, the touch-sensitive screen is used for setting up output pressure to with output pressure signal transmission to programmable logic controller, programmable logic controller is used for controlling hydraulic system according to output pressure signal, hydraulic system is used for discharging hydraulic oil, hydraulic oil exerts the tensile force to wheel hub becomes oar bolt, pressure sensor is used for detecting the pressure of oil port department, and send to programmable logic controller, replaced before by artifical manual hydraulic stretching pump stretching bolt, accord with man-machine engineering; the automatic stretching device has the advantages that the functions of automatically adjusting torque, automatically recording data, automatically alarming for abnormity and automatically issuing a report are realized, compared with the prior art that three persons are required for stretching a manual hydraulic stretching pump, the automatic stretching function only needs two persons for operation, and one person is reduced in working time. In the process of stretching the 4 megawatt hub variable pitch bolt, the automatic stretching, automatic recording and automatic report issuing functions are realized.
Drawings
Fig. 1 is a schematic side view of a hub pitch bolt stretching device according to an embodiment of the present invention;
fig. 2 is a schematic front view of a hub pitch bolt stretching device according to an embodiment of the present invention;
shown in the figure: 10-carrying vehicle; 11-an upper layer accommodating box; 12-a lower layer containing box; 13-first support (second support); 14-a sliding wheel; 20-a touch screen; 30-a programmable logic controller; 40-a pressure sensor; 50-a hydraulic system; 51-a fuel tank; 52-a handle switch; 53-hydraulic pump.
Detailed Description
The following provides a hub pitch bolt stretching device with reference to the attached drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
The utility model discloses a core thought lies in providing a wheel hub becomes oar bolt stretching device to solve the problem that current wheel hub becomes oar bolt stretching inefficiency.
In order to realize the above idea, the utility model provides a wheel hub becomes oar bolt stretching device, wheel hub becomes oar bolt stretching device including bearing car, touch-sensitive screen, programmable logic controller, pressure sensor and hydraulic system, wherein: the bearing vehicle comprises an upper-layer containing box, a lower-layer containing box, a first support frame and a second support frame, wherein the first support frame and the second support frame are both square frames, the bottoms of the first support frame and the second support frame are respectively welded on two sides of the top of the lower-layer containing box, the upper-layer containing box is positioned between the first support frame and the second support frame, the edge of the left side plate of the upper-layer containing box is welded on the first support frame, and the edge of the right side plate of the upper-layer containing box is welded on the second support frame; the programmable logic controller is accommodated in the upper accommodating box, and the hydraulic system is accommodated in the lower accommodating box; the pressure sensor is fixed at an oil outlet of the hydraulic system and is connected with the programmable logic controller; the front surface of the upper layer accommodating box is provided with an opening, the touch screen is buckled in the opening, and the touch screen is connected with the programmable logic controller; the touch screen is used for setting output pressure and sending an output pressure signal to the programmable logic controller, the programmable logic controller is used for controlling the hydraulic system according to the output pressure signal, the hydraulic system is used for discharging hydraulic oil, the hydraulic oil applies stretching force to a hub variable-pitch bolt, and the pressure sensor is used for detecting the pressure at an oil port and sending the pressure to the programmable logic controller.
< example one >
The embodiment provides a hub becomes oar bolt stretching device, as shown in fig. 1-2, the hub becomes oar bolt stretching device including bearing car 10, touch-sensitive screen 20, programmable logic controller 30, pressure sensor 40 and hydraulic system 50, wherein: the carrier vehicle 10 comprises an upper-layer accommodating box 11, a lower-layer accommodating box 12, a first support frame 13 and a second support frame 13, wherein the first support frame 13 and the second support frame 13 are both square frames, the bottoms of the first support frame 13 and the second support frame 13 are respectively welded on two sides of the top of the lower-layer accommodating box 12, the upper-layer accommodating box 11 is positioned between the first support frame 13 and the second support frame 13, the edge of the left side plate of the upper-layer accommodating box 11 is welded on the first support frame 13, and the edge of the right side plate of the upper-layer accommodating box 11 is welded on the second support frame 13; the programmable logic controller 30 is accommodated in the upper accommodating box 11, and the hydraulic system 50 is accommodated in the lower accommodating box 12; the pressure sensor 40 is fixed at an oil outlet of the hydraulic system 50 and is connected with the programmable logic controller 30; the front surface of the upper layer accommodating box 11 is provided with an opening, the touch screen 20 is fastened in the opening, and the touch screen 20 is connected with the programmable logic controller 30; the touch screen 20 is used for setting output pressure and sending an output pressure signal to the programmable logic controller 30, the programmable logic controller 30 is used for controlling the hydraulic system 50 according to the output pressure signal, the hydraulic system 50 is used for discharging hydraulic oil, the hydraulic oil applies tensile force to a hub variable-pitch bolt, and the pressure sensor 40 is used for detecting the pressure at an oil port and sending the pressure to the programmable logic controller 30.
Specifically, in the hub pitch bolt stretching device, the hydraulic system 50 includes an oil tank 51, a handle switch 52, a hydraulic pump 53 and a proportional valve, wherein: the oil tank 51 is used for storing hydraulic oil; the handle switch 52 is used for controlling the starting and stopping of the hydraulic pump 53; the programmable logic controller 30 sends the output pressure to the proportional valve, which is used to automatically control the output pressure of the hydraulic oil. The handle switch 52 includes a liquid crystal screen, an automatic button, an on button, and an off button, wherein: the liquid crystal screen is used for displaying the on-off state of the hydraulic pump 53; the automatic button is used for allowing the proportional valve to automatically control the output pressure of the hydraulic oil; the start button is used for starting the hydraulic pump 53; the off button is used to turn off the hydraulic pump 53. Four sliding wheels 14 are installed on the bottom surface of the lower accommodating box 12.
In the utility model provides an among the wheel hub becomes oar bolt stretching device, touch-sensitive screen 20 is used for setting up output pressure, and send output pressure signal to programmable logic controller 30, programmable logic controller 30 is used for controlling hydraulic system 50 according to output pressure signal, hydraulic system 50 is used for discharging hydraulic oil, hydraulic oil exerts the tensile force to wheel hub becomes oar bolt, pressure sensor 40 is used for detecting out the pressure of oil port department, and send to programmable logic controller 30, replaced before by artifical manual hydraulic stretching pump stretching bolt, accord with human-machine engineering; the automatic stretching device has the advantages that the functions of automatically adjusting torque, automatically recording data, automatically alarming for abnormity and automatically issuing a report are realized, compared with the prior art that three persons are required for stretching a manual hydraulic stretching pump, the automatic stretching function only needs two persons for operation, and one person is reduced in working time. In the process of stretching the 4 megawatt hub variable pitch bolt, the automatic stretching, automatic recording and automatic report issuing functions are realized.
In summary, the above embodiments have described the different configurations of the hub pitch bolt stretching device in detail, and of course, the present invention includes, but is not limited to, the configurations listed in the above embodiments, and any modifications based on the configurations provided by the above embodiments are all within the scope of the present invention. One skilled in the art can take the contents of the above embodiments to take a counter-measure.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (4)
1. The utility model provides a wheel hub becomes oar bolt stretching device, its characterized in that, wheel hub becomes oar bolt stretching device including bearing car, touch-sensitive screen, programmable logic controller, pressure sensor and hydraulic system, wherein:
the bearing vehicle comprises an upper-layer containing box, a lower-layer containing box, a first support frame and a second support frame, wherein the first support frame and the second support frame are both square frames, the bottoms of the first support frame and the second support frame are respectively welded on two sides of the top of the lower-layer containing box, the upper-layer containing box is positioned between the first support frame and the second support frame, the edge of the left side plate of the upper-layer containing box is welded on the first support frame, and the edge of the right side plate of the upper-layer containing box is welded on the second support frame;
the programmable logic controller is accommodated in the upper accommodating box, and the hydraulic system is accommodated in the lower accommodating box;
the pressure sensor is fixed at an oil outlet of the hydraulic system and is connected with the programmable logic controller;
the front surface of the upper layer accommodating box is provided with an opening, the touch screen is buckled in the opening, and the touch screen is connected with the programmable logic controller;
the touch screen is used for setting output pressure and sending an output pressure signal to the programmable logic controller, the programmable logic controller is used for controlling the hydraulic system according to the output pressure signal, the hydraulic system is used for discharging hydraulic oil, the hydraulic oil applies stretching force to a hub variable-pitch bolt, and the pressure sensor is used for detecting the pressure at an oil port and sending the pressure to the programmable logic controller.
2. The hub pitch bolt tensioning device of claim 1, wherein the hydraulic system comprises an oil tank, a handle switch, a hydraulic pump and a proportional valve, wherein:
the oil tank is used for storing hydraulic oil;
the handle switch is used for controlling the starting and stopping of the hydraulic pump;
and the programmable logic controller sends the output pressure to the proportional valve, and the proportional valve is used for automatically controlling the output pressure of the hydraulic oil.
3. The hub pitch bolt tensioning device of claim 2, wherein the handle switch comprises a liquid crystal screen, an automatic button, an on button, and an off button, wherein:
the liquid crystal screen is used for displaying the on-off state of the hydraulic pump;
the automatic button is used for allowing the proportional valve to automatically control the output pressure of the hydraulic oil;
the starting button is used for starting the hydraulic pump;
the shut-off button is used to shut off the hydraulic pump.
4. The hub pitch bolt tensioning device according to claim 1, wherein four sliding wheels are mounted on the bottom surface of the lower housing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392044.8U CN211490396U (en) | 2019-08-26 | 2019-08-26 | Hub variable-pitch bolt stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392044.8U CN211490396U (en) | 2019-08-26 | 2019-08-26 | Hub variable-pitch bolt stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211490396U true CN211490396U (en) | 2020-09-15 |
Family
ID=72394767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921392044.8U Active CN211490396U (en) | 2019-08-26 | 2019-08-26 | Hub variable-pitch bolt stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211490396U (en) |
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2019
- 2019-08-26 CN CN201921392044.8U patent/CN211490396U/en active Active
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