CN219542241U - Bolt mounting equipment - Google Patents
Bolt mounting equipment Download PDFInfo
- Publication number
- CN219542241U CN219542241U CN202320151564.XU CN202320151564U CN219542241U CN 219542241 U CN219542241 U CN 219542241U CN 202320151564 U CN202320151564 U CN 202320151564U CN 219542241 U CN219542241 U CN 219542241U
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- Prior art keywords
- axial force
- bolt
- hydraulic
- controller
- proportional valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model provides bolt installation equipment, which comprises a controller, a hydraulic pump and a bolt installation device which are sequentially connected, wherein the bolt installation device comprises an axial force measurer, a hydraulic control module and a hydraulic wrench which are mutually connected; the axial force measurer is connected with the controller and is used for measuring the axial force of the bolt during installation in real time and feeding the axial force back to the controller; the hydraulic control module comprises a proportional valve, and the proportional valve is connected with the hydraulic pump, the controller and the hydraulic wrench and is used for controlling the hydraulic pressure applied by the hydraulic pump to the hydraulic wrench. According to the utility model, the axial force of the bolt is measured in real time by adopting the axial force measurer and is fed back to the controller, the controller transmits signals to the proportional valve after calculating according to the axial force of the bolt, and the output hydraulic pressure is regulated by the proportional valve, so that the axial force of the bolt after being installed can meet the target axial force.
Description
Technical Field
The utility model relates to the technical field of bolt fastening, in particular to bolt mounting equipment.
Background
In the industrial field, the current bolt construction mode mainly comprises: torque and strain methods. The tools used are mainly hydraulic torque wrenches and hydraulic stretchers. Due to the dispersion of friction coefficients, the bolt axial force obtained by using the traditional hydraulic wrench for construction has larger dispersion, and the designed axial force value is often not obtained. The problem of uncertain rebound axial force exists when the construction is carried out by adopting a pulling method.
Therefore, it is necessary to provide an apparatus capable of precisely mounting bolts.
Disclosure of Invention
The utility model aims to provide bolt installation equipment, an axial force measurer is used for measuring the axial force of a bolt being fastened, the measured value is input into a controller, the controller is used for adjusting and outputting a hydraulic value according to the axial force through a proportional valve, the accurate control of the axial force of the bolt is realized, and the problem that the axial force of the bolt cannot reach an expected value in the prior art is solved.
In order to achieve one of the above objects, an embodiment of the present utility model provides a bolt installation apparatus including a controller, a hydraulic pump, and a bolt installation device connected in this order, the bolt installation device including an axial force measurer, a hydraulic control module and a hydraulic wrench connected to each other;
the axial force measurer is connected with the controller and is used for measuring the axial force of the bolt during installation in real time and feeding the axial force back to the controller;
the hydraulic control module comprises a proportional valve, and the proportional valve is connected with the hydraulic pump, the controller and the hydraulic wrench and is used for controlling the hydraulic pressure applied by the hydraulic pump to the hydraulic wrench.
As a further improvement of an embodiment of the present utility model, the hydraulic control module further includes a relief valve connected between the hydraulic pump and the proportional valve.
As a further improvement of an embodiment of the present utility model, the hydraulic control module further includes a pressure gauge connected between the proportional valve and the hydraulic wrench, and the pressure gauge is further connected with the controller.
As a further improvement of an embodiment of the present utility model, the hydraulic pump includes an oil return port;
the bolt mounting equipment further comprises an oil return module, and the oil return module is connected to an oil return port of the hydraulic pump.
As a further development of an embodiment of the utility model, the proportional valve, the hydraulic wrench and the overflow valve are all connected to the hydraulic pump via the oil return module.
As a further improvement of one embodiment of the present utility model, the plurality of bolt mounting devices are provided, the plurality of proportional valves in the plurality of bolt mounting devices are connected to the controller, and the plurality of axial force measuring devices in the plurality of bolt mounting devices are connected to the controller.
As a further improvement of an embodiment of the present utility model, the axial force measurer includes an axial force measuring sensor and an axial force measuring host for providing signals for the axial force measuring sensor, the axial force measuring sensor is placed at the end of the bolt, and the axial force measuring host is connected with the controller.
As a further improvement of an embodiment of the present utility model, the axial force measurement host is connected to the controller by a wired or wireless means.
As a further improvement of one embodiment of the present utility model, the axial force measurer measures the axial force of the bolt by ultrasonic.
As a further improvement of an embodiment of the present utility model, the ultrasound includes piezoelectric ultrasound, electromagnetic ultrasound, laser ultrasound and air-coupled ultrasound.
The one or more technical schemes provided by the utility model have at least the following technical effects or advantages:
the bolt mounting equipment is provided with the axial force measurer and the hydraulic control module, the axial force measurer is used for measuring the axial force of the bolt in real time in the bolt mounting process and transmitting data to the controller, the controller is used for calculating the hydraulic value corresponding to the required axial force in real time through the data of the axial force measurer and transmitting the data to the proportional valve, and the proportional valve is used for adjusting and outputting the hydraulic value after receiving the signal of the controller so as to enable the axial force value born by the bolt to be a preset value, so that the accurate mounting of the bolt is realized.
Drawings
Fig. 1 is a schematic structural view of a bolt mounting apparatus in an embodiment of the present utility model.
1. A controller; 2. a hydraulic pump; 3. a hydraulic control module; 31. a proportional valve; 32. an overflow valve; 33. a pressure gauge; 4. a hydraulic wrench; 5. an axial force measurer; 51. an axial force measuring sensor; 52. an axial force measuring host; 6. a bolt; 7. and an oil return module.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The first embodiment of the utility model provides bolt installation equipment, which is shown in fig. 1, and comprises a controller 1, a hydraulic pump 2 and a bolt 6 installation device which are sequentially connected, wherein the bolt 6 installation device comprises an axial force measurer 5, a hydraulic control module 3 and a hydraulic wrench 4 which are mutually connected; the axial force measurer 5 is connected with the controller 1 and is used for measuring the axial force of the bolt 6 during installation in real time and feeding back the axial force to the controller 1; the hydraulic control module 3 includes a proportional valve 31, and the proportional valve 31 is connected to the hydraulic pump 2, the controller 1, and the hydraulic wrench 4 to control the hydraulic pressure applied to the hydraulic wrench 4 by the hydraulic pump 2.
Further, the hydraulic control module 3 further includes a relief valve 32, and the relief valve 32 is connected between the hydraulic pump 2 and the proportional valve 31 to prevent the hydraulic pressure output from the hydraulic pump 2 from being excessively large beyond the maximum range of the proportional valve 31, resulting in damage to the proportional valve 31 and a decrease in the accurate value of the shaft force of the bolt 6.
Further, the hydraulic control module 3 further includes a pressure gauge 33, the pressure gauge 33 is connected between the proportional valve 31 and the hydraulic wrench 4, and the pressure gauge 33 is connected to the controller 1, the pressure gauge 33 monitors the hydraulic value provided by the proportional valve 31 for the hydraulic wrench 4 and feeds back to the controller 1, and the pressure gauge acts together with the real-time axial force value fed back to the controller 1 by the axial force measurer 5, so that the error of the installation axial force of the bolt 6 is reduced.
Specifically, the hydraulic control module 3 includes a relief valve 32, a proportional valve 31, and a pressure gauge 33 connected in sequence, wherein one end of the relief valve 32 away from the proportional valve 31 is connected with the hydraulic pump 2, one end of the pressure gauge 33 away from the proportional valve 31 is connected with the hydraulic wrench 4, and the proportional valve 31 and the pressure gauge 33 are both connected with the controller 1.
When the bolts 6 are installed, the controller 1 inputs the expected axial force of the bolts 6 in advance, the controller 1 converts the axial force into a hydraulic pressure value required for installing the bolts 6, and controls the hydraulic pump 2 to be opened, the proportional valve 31 acquires a control signal corresponding to the expected axial force of the bolts 6 from the controller 1, so that the hydraulic pressure value output by the hydraulic pump 2 is adjusted, the hydraulic pressure value corresponding to the expected axial force of the installation bolts 6 is input to the hydraulic spanner 4, the hydraulic spanner 4 acts on the bolts 6, and the installation of the bolts 6 is started after receiving the hydraulic pressure from the proportional valve 31.
The axial force measurer 5 comprises an axial force measuring sensor 51 and an axial force measuring host 52 for providing signals for the axial force measuring sensor 51, wherein the axial force measuring sensor 51 is arranged at the end of the bolt 6, and the axial force measuring host 52 is connected with the controller 1; the axial force measurer 5 measures the axial force of the bolt 6 through ultrasound, feeds back the measured axial force of the bolt 6 to the controller 1 in real time, monitors the axial force of the bolt 6 during installation in real time by the controller 1, and adjusts the hydraulic value through the proportional valve 31 so as to greatly improve the accuracy of the installation axial force of the bolt 6.
Preferably, the ultrasound includes piezoelectric ultrasound, electromagnetic ultrasound, laser ultrasound, and air-coupled ultrasound.
Further, the axial force measuring host 52 is connected with the controller 1 in a wired or wireless manner, and the two connection manners are suitable for different use scenes, so that the adaptability of the bolt 6 for installing equipment is higher.
Further, the hydraulic pump 2 comprises an oil return port, the bolt 6 mounting device further comprises an oil return module, and the oil return module 7 is connected to the oil return port of the hydraulic pump 2.
Specifically, the proportional valve 31, the hydraulic wrench 4 and the relief valve 32 are all connected to the hydraulic pump 2 through the oil return module 7, that is, a loop is formed between the proportional valve 31 and the hydraulic pump 2, between the hydraulic wrench 4 and the hydraulic pump 2, and between the relief valve 32 and the hydraulic pump 2, so that hydraulic oil circulates and reciprocates between the hydraulic pump 2, the relief valve 32, the proportional valve 31 and the hydraulic wrench 4.
Further, the plurality of the bolt 6 mounting devices, that is, the plurality of the relief valve 32, the proportional valve 31, the pressure gauge 33, the hydraulic wrench 4 and the axial force measurer 5 are provided, the relief valve 32 in each of the bolt 6 mounting devices is connected with the hydraulic pump 2, and the proportional valve 31, the pressure gauge 33 and the axial force measurer 5 in each of the bolt 6 mounting devices are connected with the controller 1.
The plurality of bolts 6 can be installed simultaneously by the plurality of bolt 6 installation devices, and when a plurality of bolts 6 need to be fastened on one part, the bolts 6 can be installed simultaneously to avoid axial force errors caused by installing the bolts 6 successively, and a great amount of time cost can be saved.
The bolt 6 mounting equipment provided by the utility model forms a closed loop control by using the controller 1, the hydraulic spanner 4 and the shaft force measurer 5, monitors the shaft force of the bolt 6 in real time when the bolt 6 is mounted, and regulates and controls the hydraulic pressure in real time according to the shaft force fed back by the shaft force measurer 5, so that the shaft force of the bolt 6 after being mounted is the expected shaft force, and the error value of the shaft force of the bolt 6 is reduced to the greatest extent. The hydraulic pump 2 and the proportional valve 31 are adopted as the actuator instead of the servo hydraulic system, so that the hydraulic pump is more economical and practical, and the precision requirement can be met.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The bolt installation equipment is characterized by comprising a controller, a hydraulic pump and a bolt installation device which are sequentially connected, wherein the bolt installation device comprises an axial force measurer, a hydraulic control module and a hydraulic wrench which are mutually connected;
the axial force measurer is connected with the controller and is used for measuring the axial force of the bolt during installation in real time and feeding the axial force back to the controller;
the hydraulic control module comprises a proportional valve, and the proportional valve is connected with the hydraulic pump, the controller and the hydraulic wrench and is used for controlling the hydraulic pressure applied by the hydraulic pump to the hydraulic wrench.
2. The bolt mounting apparatus of claim 1, wherein the hydraulic control module further comprises a relief valve connected between the hydraulic pump and the proportional valve.
3. The bolt mounting apparatus of claim 2 wherein the hydraulic control module further comprises a pressure gauge connected between the proportional valve and the hydraulic wrench, and the pressure gauge is further connected with the controller.
4. A bolt installation apparatus according to claim 3 wherein the hydraulic pump includes an oil return port;
the bolt mounting equipment further comprises an oil return module, and the oil return module is connected to an oil return port of the hydraulic pump.
5. The bolt installation apparatus of claim 4 wherein the proportional valve, the hydraulic wrench, and the relief valve are all connected to the hydraulic pump through the oil return module.
6. The bolt installation apparatus according to claim 1, wherein a plurality of the bolt installation devices are provided, a plurality of the proportional valves in a plurality of the bolt installation devices are each connected to the controller, and a plurality of the axial force measurers in a plurality of the bolt installation devices are each connected to the controller.
7. The bolt mounting apparatus of claim 1 wherein the axial force measurer includes an axial force measurement sensor and an axial force measurement host providing a signal to the axial force measurement sensor, the axial force measurement sensor being positioned at a bolt head, the axial force measurement host being connected to the controller.
8. The bolt mounting apparatus of claim 7, wherein the axial force measurement host is connected to the controller by wired or wireless means.
9. The bolt mounting apparatus of claim 7, wherein the axial force measurer measures an axial force of the bolt by ultrasonic.
10. The bolt mounting apparatus of claim 9, wherein the ultrasound comprises piezoelectric ultrasound, electromagnetic ultrasound, laser ultrasound, and air-coupled ultrasound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320151564.XU CN219542241U (en) | 2023-02-01 | 2023-02-01 | Bolt mounting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320151564.XU CN219542241U (en) | 2023-02-01 | 2023-02-01 | Bolt mounting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219542241U true CN219542241U (en) | 2023-08-18 |
Family
ID=87701733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320151564.XU Active CN219542241U (en) | 2023-02-01 | 2023-02-01 | Bolt mounting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219542241U (en) |
-
2023
- 2023-02-01 CN CN202320151564.XU patent/CN219542241U/en active Active
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