External structure system-level pressure test tool
Through the synergistic effect of the support assembly and the motor drive, the problem of the detection head being unable to adjust its angle is solved, multi-dimensional adjustment of the detection head is achieved, and the adaptability and accuracy of the pressure test are improved.
Patent Information
- Application Number
- CN202422962576.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-12-02
AI Technical Summary
In the prior art, the detection head can only move horizontally and vertically, and cannot be adjusted in angle. It has poor flexibility and is difficult to adapt to detection objects of different shapes.
Multi-dimensional adjustment of the detection head is achieved through the support components including a gantry, a moving component, a crossbeam, a movable block, a driving component, a shaft, a mounting plate, an adjusting component and a lifting component, combined with a worm gear transmission and a motor drive.
The flexible adjustment of the detection head is realized, which can adapt to the detection objects of different shapes and improve the adaptability and accuracy of the pressure test.
Smart Images

Figure CN223361752U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of pressure detection, in particular to an external structure system-level pressure test tool. Background Art
[0002] During flight, the engine nacelle is subjected to various pressures, including aerodynamic pressure, pressure fluctuations caused by engine vibration, and internal pressure changes due to temperature fluctuations. Pressure testing of nacelle materials verifies whether their strength under different pressure conditions meets design requirements, ensuring that the nacelle will not experience dangerous conditions such as cracking or deformation due to insufficient material strength during actual use. Some materials may exhibit sufficient strength initially, but after prolonged exposure to pressure, they may experience fatigue and creep, compromising the structural integrity of the nacelle. Pressure testing can identify these potential problems in advance, providing a basis for material selection and use.
[0003] Prior art CN215622799U discloses a pressure detection device for aviation machinery parts, comprising a base, a parts placement groove provided on the outside of the base, a fixed plate provided on both sides of the parts placement groove, the fixed plate fixedly connected to the top of the base, an electric telescopic rod fixedly connected to the inside of the fixed plate, the output end of the electric telescopic rod fixedly connected to a clamping plate, the clamping plate slidably connected to the inside of the parts placement groove, and a pressure measuring portion provided on the top of the parts placement groove. The utility model provides a parts placement groove on the outside of the base, places the parts to be detected on the inside of the parts placement groove, fixedly connected to fixed plates on both sides of the parts placement groove, fixedly connected to the inside of the fixed plate with an electric telescopic rod, and fixedly connected to the clamping plate on the inside of the electric telescopic rod, which can effectively fix and clamp the object to be detected placed on the inside of the parts placement groove to prevent it from shifting and causing errors in the detection results.
[0004] Regarding the above-mentioned pressure detection device for aviation machinery parts, since the detection head can only move horizontally and vertically and cannot be adjusted in angle, it has poor flexibility and is difficult to adapt to detection objects of different shapes. Utility Model Content
[0005] The purpose of the utility model is to provide an external structure system-level pressure test tool, which solves the problem of the prior art that the detection head can only move horizontally and vertically, cannot be adjusted at an angle, has poor flexibility, and is difficult to adapt to detection objects of different shapes.
[0006] To achieve the above-mentioned objectives, the present invention provides an external structure system-level pressure test tool, including a base, a detection head body and a support assembly, the support assembly including a gantry, a moving member, a crossbeam, a movable block, a driving member, a shaft, a mounting plate, an adjusting member and a lifting member, the gantry is connected to the base through the moving member, the moving member is installed on the base and drives the gantry to move, the crossbeam is connected to the gantry through the lifting member, the lifting member is installed on the gantry and supports the crossbeam, the movable block is slidably installed on the crossbeam, the driving member drives the movable block to move, the shaft passes through the movable block and is rotatably connected to the movable block, the mounting plate is fixedly installed on the end of the shaft, the detection head body is installed on the mounting plate, and the adjusting member drives the shaft to rotate.
[0007] Wherein, the adjusting component includes a worm wheel, a worm and an adjusting motor, the worm wheel is fixedly connected to the shaft and is located at the end of the shaft away from the mounting plate; the worm is rotatably mounted on the movable block and engages with the worm wheel; the adjusting motor is mounted on the movable block, and the output shaft of the adjusting motor is fixedly connected to the worm.
[0008] The lifting component includes an electric cylinder and a telescopic rod. The electric cylinder is fixedly mounted on the portal frame, and the output end of the electric cylinder is fixedly connected to the crossbeam. The two ends of the telescopic rod are fixedly connected to the portal frame and the crossbeam respectively.
[0009] Among them, the movable component includes a guide rail, a first screw and a movable motor, the guide rail is fixedly connected to the base and is slidingly connected to the portal frame; the first screw is rotatably installed on the base and is threadedly connected to the portal frame; the movable motor is installed on the base, and the output shaft of the movable motor is fixedly connected to the first screw.
[0010] The driving component includes a second screw and a driving motor. The second screw is rotatably mounted on the crossbeam and is threadedly connected to the movable block. The driving motor is mounted on the crossbeam, and the output shaft of the driving motor is fixedly connected to the second screw.
[0011] The utility model discloses an external structure system-level pressure testing tool, comprising a base, a detection head body and a supporting assembly, wherein the supporting assembly comprises a portal, a moving member, a crossbeam, a movable block, a driving member, a shaft, a mounting plate, an adjusting member and a lifting member, the portal is connected to the base through the moving member, the movable member is installed on the base and drives the portal to move, the crossbeam is connected to the portal through the lifting member, the lifting member is installed on the portal and supports the crossbeam, the movable block is slidably installed on the crossbeam, the driving member drives the movable block to move, the shaft passes through the movable block and is rotatably connected to the movable block, the mounting plate is fixedly mounted on the end of the shaft, the detection head body is installed on the mounting plate, and the adjusting member drives the shaft to rotate, which solves the problem of the prior art that the detection head can only move horizontally and vertically, cannot be adjusted in angle, has poor flexibility, and is difficult to adapt to detection objects of different shapes. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.
[0013] Figure 1 It is a schematic diagram of the overall structure of the external structure system-level pressure test tooling of the present invention.
[0014] Figure 2 It is a structural schematic diagram of the regulating component of the present utility model.
[0015] Figure 3 It is a structural schematic diagram of the driving component of the utility model.
[0016] In the figure: 101-base, 102-detection head body, 103-gantry, 104-beam, 105-movable block, 106-axis, 107-mounting plate, 108-worm gear, 109-worm, 110-adjusting motor, 111-electric cylinder, 112-telescopic rod, 113-guide rail, 114-first screw, 115-moving motor, 116-second screw, 117-drive motor. DETAILED DESCRIPTION
[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0018] See also Figure 1-Figure 3 , Figure 1 This is a schematic diagram of the overall structure of the external structure system-level pressure test tooling of the utility model. Figure 2This is a schematic structural diagram of the regulating component of the utility model. Figure 3 It is a structural schematic diagram of the driving component of the utility model.
[0019] The external structure system-level pressure test fixture of the present invention includes a base 101, a detection head body 102, a gantry 103, a crossbeam 104, a movable block 105, a shaft 106, a mounting plate 107, a worm gear 108, a worm 109, an adjustment motor 110, an electric cylinder 111, a telescopic rod 112, a guide rail 113, a first screw 114, a moving motor 115, a second screw 116, and a drive motor 117. It solves the problem of the prior art that the detection head can only move horizontally and vertically and cannot adjust the angle, resulting in poor flexibility and difficulty in adapting to detection objects of different shapes. It is understandable that the above solution can also be used to improve adaptability.
[0020] In this embodiment, a clamping mechanism is provided on the base 101 for clamping the test object. The test head body 102 is a prior art, and its specific structure refers to the pressure measuring part in the specification of a pressure detection device for aviation machinery parts in the prior art CN215622799U. Through the support assembly, the test head body 102 can be flexibly adjusted, which solves the problem of the prior art that the test head can only move horizontally and vertically, cannot be adjusted at an angle, has poor flexibility, and is difficult to adapt to test objects of different shapes.
[0021] The gantry 103 is connected to the base 101 through the moving member, the moving member is installed on the base 101, and drives the gantry 103 to move, the beam 104 is connected to the gantry 103 through the lifting member, the lifting member is installed on the gantry 103, and supports the beam 104, the movable block 105 is slidably installed on the beam 104, the driving member drives the movable block 105 to move, the shaft 106 passes through the movable block 105, and is rotatably connected to the movable block 105, the installation The disk 107 is fixedly mounted on the end of the shaft 106, the detection head body 102 is mounted on the mounting disk 107, the adjusting member drives the shaft 106 to rotate, the gantry 103 is mounted on the base 101 through the moving member, and the moving member can drive the gantry 103 to move so as to adjust the position of the detection head body 102, and the beam 104 is mounted on the gantry 103 through the lifting member, and the lifting member provides support for the beam 104 and can drive the beam 104 to move up and down so as to adjust the position of the detection head body 102. The movable block 105 is slidably mounted on the beam 104 through the sliding groove. The driving member can drive the movable block 105 to slide on the beam 104. The position of the detection head body 102 can also be adjusted by sliding the movable block 105. The shaft 106 passes through the movable block 105 and is connected to the sliding block through a bearing. The mounting plate 107 is circular and rotates with the rotation of the shaft 106. The outer shell of the detection head body 102 It is fixed to the mounting plate 107 by bolts and rotates with the rotation of the mounting plate 107. The adjusting member can drive the shaft 106 to rotate. The rotation of the shaft 106 drives the detection head body 102 to adjust the angle. The movement of the gantry 103 and the movable block 105 and the rotation of the shaft 106 can realize the flexible adjustment of the detection head body 102, which solves the problem of the prior art that the detection head can only move horizontally and vertically, cannot adjust the angle, has poor flexibility, and is difficult to adapt to detection objects of different shapes.
[0022] Secondly, the worm gear 108 is fixedly connected to the shaft 106 and is located at the end of the shaft 106 away from the mounting plate 107; the worm 109 is rotatably mounted on the movable block 105 and meshes with the worm gear 108; the adjusting motor 110 is mounted on the movable block 105, and the output shaft of the adjusting motor 110 is fixedly connected to the worm 109, the worm gear 108 is sleeved on the end of the shaft 106, and the worm 109 is mounted on the movable block 105 through a bearing bracket. The adjusting motor 110 is fixed to the movable block 105 by bolts, and is used to drive the worm 109 to rotate. Through the action of the adjusting motor 110, the shaft 106 is driven by the worm 109 and the worm gear 108, thereby driving the shaft 106 to rotate.
[0023] At the same time, the electric cylinder 111 is fixedly installed on the portal frame 103, and the output end of the electric cylinder 111 is fixedly connected to the beam 104; the two ends of the telescopic rod 112 are respectively fixedly connected to the portal frame 103 and the beam 104, and the bottom of the electric cylinder 111 is fixed to the inner top of the portal frame 103 by bolts, and the output end is connected to the beam 104. There are two telescopic rods 112, which are located on both sides of the electric cylinder 111, respectively, and can limit the lifting and lowering of the beam 104 to improve stability. The lifting and lowering of the electric cylinder 111 can drive the beam 104 to rise and fall.
[0024] In addition, the guide rail 113 is fixedly connected to the base 101 and is slidably connected to the gantry 103; the first screw 114 is rotatably mounted on the base 101 and is threadedly connected to the gantry 103; the mobile motor 115 is mounted on the base 101, and the output shaft of the mobile motor 115 is fixedly connected to the first screw 114, the guide rail 113 is fixedly mounted on the top of the base 101, and a guide sleeve matching the guide rail 113 is provided at the bottom of the gantry 103. The first screw 114 is mounted on the guide rail 113 through the guide sleeve, and the first screw 114 is mounted on the base 101 through a bearing bracket. The gantry 103 has a threaded through hole, and the first screw 114 passes through the threaded through hole and is threadedly connected to the gantry 103. The moving motor 115 is fixed to the base 101 by bolts and is used to drive the first screw 114 to rotate. The first screw 114 is driven to rotate by the moving motor 115, thereby driving the gantry 103 to move along the guide rail 113.
[0025] Finally, the second screw 116 is rotatably mounted on the crossbeam 104 and is threadedly connected to the movable block 105; the drive motor 117 is mounted on the crossbeam 104, and the output shaft of the drive motor 117 is fixedly connected to the second screw 116. The second screw 116 is mounted on the top of the crossbeam 104 through bearings. The movable block 105 has a threaded through hole, and the second screw 116 passes through the threaded through hole and is threadedly connected to the movable block 105. The drive motor 117 is fixed to the top of the crossbeam 104 by bolts, and is used to drive the second screw 116 to rotate. The second screw 116 is driven to rotate by the drive motor 117, thereby driving the movable block 105 to move.
[0026] In this embodiment, when in use, the detection object is fixed on the base 101 by the clamping mechanism, and then the movement motor 115 is controlled to drive the gantry 103 to move along the guide rail 113 to adjust the longitudinal position of the detection head body 102. By controlling the movement of the drive motor 117, the movable block 105 can be driven to move on the beam 104 to adjust the lateral position of the detection head body 102. By controlling the movement of the adjustment motor 110, the mounting plate 107 can be driven to rotate under the transmission of the worm 109 and the worm gear 108 to adjust the angle of the detection head body 102. After the position of the detection head body 102 is adjusted, the electric cylinder 111 is controlled to extend, which can drive the detection head body 102 to move downward to contact the detection object for a pressure test. Through the coordinated cooperation of the moving motor 115, the driving motor 117 and the adjusting motor 110, the detection head body 102 can be flexibly adjusted, which solves the problem of the prior art that the detection head can only move horizontally and vertically, cannot adjust the angle, has poor flexibility, and is difficult to adapt to detection objects of different shapes.
[0027] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.
Claims
1. An external structure system-level pressure test tool, including a base, characterized in that: It also includes a support assembly and a detection head body, wherein the detection head body is mounted on the base through the support assembly; The supporting assembly includes a portal, a moving member, a crossbeam, a movable block, a driving member, a shaft, a mounting plate, an adjusting member and a lifting member. The portal is connected to the base through the moving member, the moving member is installed on the base and drives the portal to move, the crossbeam is connected to the portal through the lifting member, the lifting member is installed on the portal and supports the crossbeam, the movable block is slidably installed on the crossbeam, the driving member drives the movable block to move, the shaft passes through the movable block and is rotatably connected to the movable block, the mounting plate is fixedly installed on the end of the shaft, the detection head body is installed on the mounting plate, and the adjusting member drives the shaft to rotate.
2. The external structure system level pressure test tool as claimed in claim 1, characterized in that: The adjusting component includes a worm wheel, a worm and an adjusting motor. The worm wheel is fixedly connected to the shaft and is located at an end of the shaft away from the mounting plate. The worm is rotatably mounted on the movable block and engages with the worm wheel. The adjusting motor is mounted on the movable block, and the output shaft of the adjusting motor is fixedly connected to the worm.
3. The external structure system level pressure test tool as claimed in claim 1, characterized in that: The lifting component includes an electric cylinder and a telescopic rod. The electric cylinder is fixedly installed on the portal frame, and the output end of the electric cylinder is fixedly connected to the crossbeam; the two ends of the telescopic rod are fixedly connected to the portal frame and the crossbeam respectively.
4. The external structure system level pressure test tool as claimed in claim 1, characterized in that: The movable component includes a guide rail, a first screw and a movable motor. The guide rail is fixedly connected to the base and is slidingly connected to the gantry. The first screw is rotatably installed on the base and is threadedly connected to the gantry. The movable motor is installed on the base, and the output shaft of the movable motor is fixedly connected to the first screw.
5. The external structure system level pressure test tool as claimed in claim 1, characterized in that: The driving component includes a second screw and a driving motor. The second screw is rotatably mounted on the crossbeam and is threadedly connected to the movable block. The driving motor is mounted on the crossbeam, and the output shaft of the driving motor is fixedly connected to the second screw.