CN217304705U - String iron plate strength test system - Google Patents
String iron plate strength test system Download PDFInfo
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- CN217304705U CN217304705U CN202221021284.9U CN202221021284U CN217304705U CN 217304705 U CN217304705 U CN 217304705U CN 202221021284 U CN202221021284 U CN 202221021284U CN 217304705 U CN217304705 U CN 217304705U
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- force measuring
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Abstract
A strength testing system for a string iron plate comprises a detection platform, wherein a moving mechanism is arranged above the detection platform, the moving mechanism is in sliding connection with two sides of the detection platform through supports on two sides, the detection system is arranged on the upper portion of the moving mechanism through a module mechanism, and the detection system comprises a strength detection mechanism arranged on the module mechanism and a force measuring device with the end portion of the strength detection mechanism facing downwards; and the detection platform is provided with a material supporting device and a clamping device. The piano string iron plate is placed on a material supporting device of the detection platform, the material supporting device is arranged according to detection point requirements, and the moving mechanism and the detection system move to the position above the string iron plate according to a preset position to detect the structural strength. During detection, the strength detection mechanism moves downwards to enable the force measurement device to be in contact with the string iron plate, and the string iron plate is detected according to a pressure value preset by the force measurement device, so that the string iron plate cannot deform or break after the strings are installed.
Description
Technical Field
The utility model relates to a piano spare part check out test set technical field especially relates to a chordal array iron plate strength test system.
Background
In the production process of the piano, the string iron plate is made into a semi-finished product through the procedures of die sinking, casting, shot blasting, machining, key position strengthening treatment, surface treatment and the like, a code gram is made after string hanging, and the string iron plate bears the tension of strings after sound dialing. Because the sizes of the tension of the strings borne by the iron plates with different structures are different, after the tension borne by part of the iron plates reaches the upper limit, the iron plates are broken, the iron plates can only be replaced by disassembling, the damage to the sinker is large in the replacement process, and the quality of the piano after the iron plates are replaced is unstable.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the problem of exist among the above-mentioned background art is solved, provide a string iron plate strength test system for detecting cast string iron plate structural strength
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a string iron plate strength test system comprises a detection platform, wherein a moving mechanism is arranged above the detection platform, the moving mechanism is connected with the detection platform in a sliding mode through supports on two sides, the detection system is installed on the upper portion of the moving mechanism through a module mechanism, and the detection system comprises a strength detection mechanism installed on the module mechanism and a force measurement device installed with the end portion of the strength detection mechanism facing downwards; and the detection platform is provided with a material supporting device and a clamping device.
The moving mechanism and the module mechanism operate under the control of a three-axis servo.
The strength detection mechanism comprises a connecting seat connected to the module mechanism and an actuating mechanism of a hydraulic or pneumatic system arranged at the lower part of the connecting seat, and a force measuring device is arranged at the movable end of the actuating mechanism.
The actuating mechanism is a hydraulic oil cylinder.
The force measuring device is an external digital display dynamometer.
The detection platform is characterized in that a T-shaped groove is formed in the upper side face of the detection platform, and the material supporting device and the clamping device are adjustably connected to the T-shaped groove through a fastener.
The clamping device is a corner oil cylinder or a corner air cylinder.
The moving mechanism, the module mechanism, the force measuring device, the clamping device, the strength detection mechanism and the force measuring device are linked through a control box, and the control box is provided with a display screen.
The utility model discloses there is following beneficial effect:
1. through moving mechanism, module mechanism, measuring force device, clamping device, intensity detection mechanism, measuring force device, can short-term test string iron intensity, simulation piano string tension through setting for relevant pressure numerical value to intensity detection mechanism, simulation string iron plate bears string tensile force test, and the inherent defect that the naked eye that appears can't be discover in the test of bending resistance, the detection string iron plate casting process.
2. The strength detection mechanism comprises a connecting seat connected to the module mechanism and an actuating mechanism of a hydraulic or pneumatic system arranged at the lower part of the connecting seat, and a force measuring device is arranged at the movable end of the actuating mechanism to provide stable and larger pressure output for detecting the string iron plate (40).
2. The material supporting device and the clamping device are adjustably connected to the T-shaped groove through a fastener. The material supporting device and the clamping device can be flexibly and conveniently moved according to the detection requirement.
3. The force measuring device is an external digital dynamometer which is externally connected with a digital display, so that the pressure value is conveniently monitored.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is the structure schematic diagram of the material supporting device and the clamping device of the utility model.
Fig. 3 is a schematic view of the connection structure between the material supporting device and the clamping device and the detection platform.
Fig. 4 is a schematic diagram of the first point of detecting the chordal iron plate of the present invention.
Fig. 5 is a schematic diagram of a second point of the string iron plate of the present invention.
Fig. 6 is a third schematic diagram of the middle detection string iron plate of the present invention.
In the figure, a detection platform 10, a material supporting device 11, a clamping device 12 and a groove 13;
the device comprises a moving mechanism 20, a support 21, a detection system 30, a module mechanism 31, a strength detection mechanism 32, a connecting seat 321, an actuating mechanism 322, a force measuring device 33 and a string iron plate 40.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1-3, a strength testing system for a string iron plate comprises a detection platform 10, wherein a moving mechanism 20 is arranged above the detection platform 10, the moving mechanism 20 is slidably connected with two sides of the detection platform 10 through supports 21 on two sides, a detection system 30 is mounted on the upper part of the moving mechanism 20 through a module mechanism 31, and the detection system 30 comprises a strength detection mechanism 32 mounted on the module mechanism 31 and a force measuring device 33 mounted with the end part of the strength detection mechanism 32 facing downwards; the detection platform 10 is provided with a material supporting device 11 and a clamping device 12. In production, the piano string iron plate 40 is placed on the material supporting device 11 of the detection platform 10, the material supporting device 11 is arranged according to detection point requirements, and the moving mechanism 20 and the detection system 30 move to the position above the string iron plate according to preset positions to detect the structural strength. During detection, the strength detection mechanism 32 moves downward, so that the force measuring device 33 is in contact with the stringed iron plate 40, and the stringed iron plate 40 is detected according to a pressure value preset by the force measuring device 33, so as to ensure that the stringed iron plate 40 is not deformed or broken after the strings are installed. After casting, the strength of the stringed iron plate 40 can be rapidly detected, the tension of strings of the piano can be simulated, the strength detection mechanism 32 is set with relevant pressure values, the string tension test and the bending resistance test of the stringed iron plate 40 can be simulated, the internal defects which can not be found by naked eyes in the casting process of the stringed iron plate 40, such as internal cracks, cavities and the like, can be detected, whether the strength of the cast iron plate is qualified or not can be judged by detecting the plastic deformation and the fracture state of the iron plate, the iron plate with unqualified strength can be timely treated, the loss is reduced, the repair rate is reduced, and the production efficiency is improved.
In a preferred embodiment, the moving mechanism 20 and the module mechanism 31 operate by three-axis servo control. The structure is simple, the movement is flexible and reliable, and the strength detection mechanism 32 and the force measuring device 33 can flexibly move on three axes of XYZ.
In a preferred embodiment, the strength detection mechanism 32 includes a connecting seat 321 connected to the module mechanism 31, and an actuator 322 of a hydraulic or pneumatic system mounted on a lower portion of the connecting seat 321, and a movable end of the actuator is provided with a force measuring device 33. A hydraulic or pneumatic system actuator 322 is installed at the lower portion of the connecting seat 321 to provide a greater pressure output for detecting the string iron plate 40.
Further, the actuator 322 is a hydraulic cylinder. Small volume, compact structure and high pressure. The hydraulic oil cylinder is connected with a hydraulic station pipeline, and the hydraulic station provides pressure for the hydraulic oil cylinder.
In a preferred embodiment, the force measuring device 33 is an external digital dynamometer. Simple structure, the precision is high. Such as the T306-50KN model pressure sensor of the dellite brand, which can be externally connected with a digital display and can be used for conveniently monitoring pressure values.
In a preferable scheme, a T-shaped groove 13 is formed in the upper side of the detection platform 10, and the material supporting device 11 and the clamping device 12 are adjustably connected to the T-shaped groove 13 through a fastener. The material supporting device 11 and the clamping device 12 can be moved flexibly and conveniently according to the detection requirement.
In a preferred scheme, the clamping device 12 is an angle cylinder or an angle cylinder. The stud iron plates 40 can be quickly pressed. In the present embodiment, the corner cylinder is preferable. Compact structure, high pressure and firm clamping.
In a preferred scheme, the moving mechanism 20, the module mechanism 31, the force measuring device 33, the clamping device 12, the strength detecting mechanism 32 and the force measuring device 33 are linked through a control box, so that batch production detection is facilitated, and the control box is provided with a display screen, so that pressure values are conveniently set, stored and displayed.
The utility model discloses a working process and principle:
the piano string iron plate 40 is placed on the material supporting device 11 of the detection platform 10, the material supporting device 11 is arranged according to the detection point requirement, and the moving mechanism 20 and the detection system 30 move to the position above the string iron plate according to the preset position to detect the structural strength. At the time of detection, the strength detection mechanism 32 is moved downward, and the force measuring device 33 is brought into contact with the chordal iron plate 40.
As shown in fig. 4-6, according to the design requirement of the chordal iron plate 40, the position of the material supporting device 11 is arranged on the detection platform 10, and pressure detection is performed on A, B, C positions on the chordal iron plate 40 in steps. And for the part which does not reach the preset pressure value, the control box carries out alarm recording and prompting.
Claims (8)
1. The utility model provides a string iron plate strength test system, it includes testing platform (10), its characterized in that: a moving mechanism (20) is arranged above the detection platform (10), the moving mechanism (20) is connected with the detection platform (10) in a sliding mode through supports (21) on two sides, a detection system (30) is installed on the upper portion of the moving mechanism (20) through a module mechanism (31), and the detection system (30) comprises a strength detection mechanism (32) installed on the module mechanism (31) and a force measuring device (33) installed with the end portion of the strength detection mechanism (32) facing downwards; the detection platform (10) is provided with a material supporting device (11) and a clamping device (12).
2. The system for testing the strength of a stringed iron plate according to claim 1, wherein: the moving mechanism (20) and the module mechanism (31) operate through three-axis servo control.
3. The system for testing the strength of a stringed iron plate according to claim 1, wherein: the strength detection mechanism (32) comprises a connecting seat (321) connected to the module mechanism (31) and an actuating mechanism (322) of a hydraulic or pneumatic system arranged at the lower part of the connecting seat (321), and a force measuring device (33) is arranged at the movable end of the actuating mechanism.
4. The system for testing the strength of a stringed iron plate of claim 3, wherein: the actuating mechanism (322) is a hydraulic oil cylinder.
5. The pin iron plate strength test system according to claim 1 or 3, wherein: the force measuring device (33) is an external digital dynamometer.
6. The wale iron plate strength testing system according to claim 1, wherein: the side of the upper side of the detection platform (10) is provided with a T-shaped groove (13), and the material supporting device (11) and the clamping device (12) are adjustably connected to the T-shaped groove (13) through a fastener.
7. The pin iron plate strength test system according to claim 1 or 6, wherein: the clamping device (12) is an angle oil cylinder or an angle air cylinder.
8. The system for testing the strength of a stringed iron plate according to claim 1, wherein: the mobile mechanism (20), the module mechanism (31), the force measuring device (33), the clamping device (12), the strength detection mechanism (32) and the force measuring device (33) are linked through a control box, and the control box is provided with a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221021284.9U CN217304705U (en) | 2022-04-29 | 2022-04-29 | String iron plate strength test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221021284.9U CN217304705U (en) | 2022-04-29 | 2022-04-29 | String iron plate strength test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217304705U true CN217304705U (en) | 2022-08-26 |
Family
ID=82914896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221021284.9U Active CN217304705U (en) | 2022-04-29 | 2022-04-29 | String iron plate strength test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217304705U (en) |
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2022
- 2022-04-29 CN CN202221021284.9U patent/CN217304705U/en active Active
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