Anti-disturbance explosion-proof detection impact test device and working method thereof
By designing an anti-disturbance and explosion-proof detection impact testing device including a swing rod, a limiting member, a collision head and a torsion device, the problem that traditional impact testing methods cannot accurately control the test parameters and inconvenient operation is solved, and accurate impact detection of hydrogen equipment is achieved, which improves the safety and reliability of the test.
Patent Information
- Application Number
- CN202411655369.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-03-18
AI Technical Summary
The traditional impact test method cannot accurately control the test parameters, and it is inconvenient to operate, making it difficult to ensure the safety and accuracy of hydrogen equipment in impact tests.
An anti-disturbation and explosion-proof impact detection test device is designed, including a swing rod, a limiting member, a collision head and a torque device rotating around the axis. By accurately adjusting the rotation of the swing rod and the impact head, precise impact detection of the part to be tested is achieved.
The device can accurately quantify the entire operation process and test parameters, reduce manual intervention, improve the safety and reliability of the test, and ensure effective detection of hydrogen equipment in impact tests.
Smart Images
Figure CN119643328A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of explosion-proof performance detection, and in particular relates to an anti-disturbance explosion-proof detection impact test device and a working method thereof. Background Art
[0002] Hydrogen refueling machines are currently commonly used hydrogen equipment. When the requirements of "complete equipment design" are applied, an assessment should be conducted to confirm that the structures of all components of the hydrogen refueling machine comply with industry-recognized engineering principles related to safety, durability and maintainability, and are suitable for their intended use.
[0003] When testing hydrogen equipment, it is necessary to first determine whether the test conditions of the hydrogen equipment are met. For example, the hydrogen equipment must be tested at room temperature and using specified liquids or gases.
[0004] Among them, the routine test items for hydrogen equipment include leakage test, impact test, closing test, hose rupture test, hose detachment test, electrostatic discharge test, grounding continuity test, voltage withstand test, outdoor hydrogen refueling machine cabinet test, and sign and label adhesion and readability test.
[0005] Taking the impact test as an example, during the impact test, a steel ball is usually connected with a cable, and then the steel ball is pulled up to a certain height and then lowered, so that the steel ball collides with the hydrogen equipment under the influence of gravity. This traditional impact test method cannot accurately control the test parameters and is more inconvenient during operation. Summary of the invention
[0006] In view of the above technical problems, this application proposes an anti-disturbance explosion-proof detection impact test device and a working method thereof. The specific technical solution is as follows:
[0007] In a first aspect, the present application provides an anti-disturbance explosion-proof detection impact test device, comprising:
[0008] A pendulum rod rotatably arranged around an axis, wherein the free end of the pendulum rod is a detection end;
[0009] A limiter disposed outside the detection end;
[0010] A collision head rotatably connected to the detection end, the collision head rotates around the second axis, and the end of the collision head away from the second axis has a first groove;
[0011] When the limiting member is embedded in the groove one, and the axis one, the axis two and the limiting member are in a collinear line, the swing rod can be locked; after the lock is released, the swing rod will rotate around the axis one to make the collision head hit the workpiece to be tested.
[0012] Furthermore, the collision head is provided with a fixing part, the fixing part is provided with an insert connected by a spring 1, the fixing part is also provided with a slider, the slider is connected to the end of the lever through a spring 2, the lever rotates around the other end, the lever and the slider are respectively located on both sides of the fixing part, and a notch is provided on the side arm of the shaft 2;
[0013] When the lever is moved to the first position, the second spring applies a force to the slider to slide toward the insert. As the collision head rotates, the notch misaligned with the insert rotates to a corresponding state, and the first spring squeezes the insert into the notch. The distance between the insert and the fixing portion increases, causing the slider to slide between the insert and the fixing portion, and the slider contacts the insert to restrict the insert to achieve locking of the swing rod.
[0014] When the lever is moved to the second position, the second spring applies a force to the slider to slide away from the insert, and a gap is generated between the insert and the fixed part, so that when the collision head or the swing rod is forced to swing, the insert is pressed out of the notch to release the swing rod lock.
[0015] Furthermore, a torque device 1 is arranged on the shaft 1, one of the torque arms of the torque device 1 is fixed to the swing rod, and the torque device 1 provides a driving force for the swing rod to rotate along a first direction, wherein the first direction is the rotation direction of the swing rod when the collision head hits the test piece.
[0016] Furthermore, a torque device 2 is arranged on the shaft 1, one of the torque arms of the torque device 2 is fixed to the collision head, and the torque device 2 provides a driving force for the collision head to rotate along a second direction, which is opposite to the first direction.
[0017] Furthermore, the shaft 1 is arranged on a fixed disk, and an arc-shaped bracket 1 is provided on the outer side of the fixed disk. The arc-shaped bracket 1 is connected to the fixed disk via a connecting piece, and the limiting piece is fixed on the arc-shaped bracket 1.
[0018] Furthermore, it also includes a mounting frame, which has two arc-shaped brackets 2 arranged at intervals, and the inner side of the arc-shaped bracket 2 has a groove 2 for accommodating the sliding of the arc-shaped bracket 1.
[0019] Furthermore, both ends of the shaft 1 are connected to fixed plates, and both ends of the limit member are respectively connected to the arc-shaped bracket 1 on both sides.
[0020] In the first aspect, the present application provides a working method of an anti-disturbance explosion-proof detection impact test device, comprising the following steps:
[0021] Place the piece to be tested on one side of the mounting frame so that the piece to be tested is located in the gap formed by the mounting frame and the adjustment frame;
[0022] According to the requirements of the test, the swing rod is rotated to the corresponding limiter, and the collision head and the limiter are kept in a locked state. At the same time, according to the requirements of the test, the position of the arc bracket 1 in the mounting frame is adjusted to maintain the arc length between the collision head and the test piece;
[0023] The locking state of the collision head and the limiter is released, and the swing rod is rotated to perform collision detection on the hydrogen equipment to be tested.
[0024] The beneficial effects of the present invention are:
[0025] The above-mentioned anti-disturbance explosion-proof impact detection device, when in use, places the hydrogen equipment on the side of the mounting frame where the adjustment frame is installed, and then rotates the adjustment frame so that the width of the end of the adjustment frame and the opening of the mounting frame is sufficient to accommodate the collision position to be tested of the hydrogen equipment, and then rotates the connecting piece to make the connecting piece and the collision head away from the collision position to be tested of the hydrogen equipment, and after stopping the rotation of the connecting piece, the collision head and the connecting piece maintain a set angle, and finally rotate the collision head along the first direction so that the end of the collision head that is clamped on the first positioning rod is separated from the first positioning rod, and under the influence of the connecting piece, the collision head will be driven to move toward the collision position to be tested of the hydrogen equipment, and finally collide with the hydrogen equipment. The entire operation process and various test parameters can be accurately quantified, without the need for long-term manual control, saving time and effort, and the collision head will not shake due to the influence of the external environment or collision factors during the impact test, and will not come into contact with objects other than the collision position to be tested of the hydrogen equipment, and the test process is safer. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the first state of the impact test device;
[0027] Figure 2 is a schematic diagram of the second state of the impact test device;
[0028] Figure 3 It is a schematic diagram of the third state of the impact test device;
[0029] Figure 4 A schematic diagram of the structure for maintaining the state where the limiter is embedded in the groove one;
[0030] Figure 5 It is a schematic diagram of the locking state of the limiting member embedded in the first groove;
[0031] Figure 6 This is a schematic diagram of a non-locked state in which the limiting member is embedded in the first slot;
[0032] Figure 7 It is the overall structural schematic diagram of the impact test device;
[0033] Figure 8 It is a structural diagram of the adjustment frame. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.
[0035] The impact test device described in this embodiment comprises a horizontally rotatable shaft 100, and a limit member 200 arranged on the outer side of the shaft 100 and spaced apart from the shaft 100. A swing rod 300 is arranged between the limit member 200 and the shaft 100. One end of the swing rod 300 is connected to the shaft 100, and the other end of the swing rod 300 serves as a detection end. The swing rod 300 generates kinetic energy at the detection end by rotating around the shaft 100, and releases the kinetic energy of the detection end at the moment when the kinetic energy generated and stored by the detection end contacts the object to be detected, thereby forming an impact force and realizing impact detection of the object to be detected.
[0036] The limit member 200 described above is arranged on the path that the detection end of the pendulum rod 300 can pass through when it rotates. When the pendulum rod 300 is at a certain position, it can be locked with the limit member 200 to maintain the position state of the pendulum rod 300, and after the locking state is released, the pendulum rod 300 will rotate around the axis 100.
[0037] like Figure 1 As shown, it is an exemplary structure in a specific implementation method, wherein a fixed disk 210, a connecting member 220 fixedly connected to the fixed disk 210, and an arc bracket 230 fixedly connected to the connecting member 220 are provided, a limiting member 200 is fixed on the arc bracket 230, and the arc bracket 230 is concentric with the shaft 100, a swing rod 300 can rotate inside the arc bracket 230 through the shaft 100, and the arc bracket 230 has a notch, when the object to be detected is located at the notch of the arc bracket 23, the detection end collides with the object to be detected when the swing rod 300 rotates, thereby realizing impact detection of the object to be detected.
[0038] The implementation methods that the pendulum rod 300 can rotate inside the arc-shaped bracket 230 through the shaft 100 include: the shaft 100 is fixedly connected to the fixed plate 210, and the pendulum rod 300 is rotationally connected to the shaft 100; or the shaft 100 is rotationally connected to the fixed plate 210, and the pendulum rod 300 is fixedly connected to the shaft 100; or the shaft 100 is rotationally connected to the fixed plate 210, and the pendulum rod 300 is rotationally connected to the shaft 100.
[0039] The other end of the pendulum 300 is also connected to a collision head 400 as a detection end. The collision head 400 is rotatably connected to the pendulum 300. On the one hand, the collision head 400 acts as a counterweight to provide the kinetic energy required for the pendulum 300 to swing. On the other hand, the collision head 400 also has the function of cooperating with the limiter 200 to realize that the pendulum 300 is locked with the limiter 200 when it is in a certain position.
[0040] like Figure 2 As shown, it is an exemplary structure in a specific implementation method, the end of the rocker arm 300 is rotatably connected to the collision head 400 via the second axis 310, and a groove 410 is provided on the end surface of the collision head 400 away from the second axis 310, which corresponds to the groove 410. The limit member 200 is rod-shaped, and the groove 410 can accommodate the limit member 200 to be partially or completely embedded.
[0041] Figure 3 The figure shows the state where the swing rod 300 is locked with the stopper 200 at a certain position. Figure 2 Before the swing rod 300 and the stopper 200 are locked with each other by the collision head 400, the swing rod 300 and the collision head 400 should maintain an obtuse angle state, and the swing rod 300 should be moved along the first direction ( Figure 2 The first and second axes 100 and 101 are connected by a plurality of axes 102 and 103. The first and second axes 102 and 103 are connected by a plurality of axes 104 and 105. The first and second axes 104 and 105 are connected by a plurality of axes 106 and 107. The first and second axes 104 and 103 are connected by a plurality of axes 108 and 109. The first and second axes 104 and 105 are connected by a plurality of axes 109 and 101. The first and second axes 104 and 105 are connected by a plurality of axes 108 and 109.
[0042] Also, see Figure 2 A torque device 510 is also provided on the shaft 100, and the two torque arms of the torque device 510 are respectively fixed to the fixed plate 210 and the rocker arm 300, and the torque device 510 provides a driving force for the rocker arm 300 to rotate along the first direction; or the two torque arms of the torque device 510 are respectively fixed to the rocker arm 300 and the shaft 100, and the shaft 100 is fixed to the fixed plate 210, and the torque device 510 provides a driving force for the rocker arm 300 to rotate along the first direction.
[0043] At the same time, a torque device 2 is arranged on the second shaft 310, and the two torque arms of the torque device 2 are respectively fixed to the collision head 400 and the second shaft 310, and the second shaft 310 is fixed to the rocker arm 300, and the torque device 2 provides a driving force for the collision head 400 to rotate along the second direction; or the two torque arms of the torque device 2 are respectively fixed to the collision head 400 and the rocker arm 300, and the torque device 2 provides a driving force for the collision head 400 to rotate along the second direction.
[0044] The torque device 1 510 and the torque device 2 are usually in the form of a torsion spring. The torque device 1 510 and the torque device 2 are set in the same manner, except that the torque directions are opposite. Figure 2 and 3In the figure, the torque device 1 510 drives the pendulum 300 counterclockwise with the axis 100 as the center, and the torque device 2 drives the collision head 400 clockwise with the axis 2 310 as the center. The setting of the torque device 1 510 provides the pendulum 300 and the collision head 400 with initial kinetic energy and energy superposition, so as to prevent the pendulum 300 and the collision head 400 from simply relying on the swing to generate kinetic energy and failing to meet the strength requirements of the impact detection. The setting of the torque device 2 is used to store the folded collision head 400 during the swinging process of the pendulum 300. Since the torque device 2 will return to its initial state when the external force is lost, the two torque arms are used to maintain the stable state of the collision head 400 after storage.
[0045] Figure 4 A schematic diagram of the structure for keeping the limit member 200 partially or completely embedded in the groove 410 is shown in the figure. A fixing part 421 is provided on the collision head 400. A block 423 connected by a spring 422 is provided on the fixing part 421. A slider 425 is also provided on the fixing part 421. The slider 425 is connected to the end of a lever 426 by a spring 424. The other end of the lever 426 is set as a rotation fulcrum. The lever 426 can rotate around the rotation fulcrum to change the angle relative to the fixing part 421, and the lever 426 and the slider 425 are respectively located on both sides of the fixing part 421. A notch 311 is provided on the side arm of the shaft 310.
[0046] Figure 4 Specifically shown is the state where the limit member 200 is not embedded in the groove 1 410, at which time the swing rod 300 and the collision head 400 are Figure 2 The obtuse angle of the block 423 and the notch 311 are misaligned on the circumference of the shaft 310. The spring 1 422 is in a compressed state to press the block 423 against the outer wall of the shaft 310. The lever 426 is moved to a first position. At the first position, the spring 2 424 is in a stretched state and has a pulling effect on the slider 425, so that the slider 425 has a tendency to slide toward the block 423. Since the block 423 is embedded in the notch 311, the slider 425 presses against the side wall of the block 423.
[0047] Figure 5 The figure shows that the stopper 200 is embedded in the groove 410 and remains embedded. Figure 4 When the swing rod 300 swings along the first direction, the collision head 400 swings along the second direction, and the distance between the block 423 and the notch 311 gradually decreases until they correspond. At this time, the block 423 will enter the notch 311 under the pressure of the spring 1 422, and at the same time, it will give up part of the space between the fixing part 421, so that the slider 425 slides under the block 423 under the action of the spring 2 424 to hold the block 423, thereby limiting the block 423 from sliding out of the notch 311, so as to achieve the purpose of maintaining the state of the limiting member 200 embedded in the groove 1 410.
[0048] like Figure 6 As shown, the lever 426 is pushed along the first direction to the second position. At the second position, the spring 2 424 is also in a stretched state and has a pulling effect on the slider 425, so that the slider 425 slides away from the block 423, and the gap between the block 423 and the fixing portion 421 is exposed again, so that the block 423 and the notch 311 become unstable. When an external force in the first direction is applied to the collision head 400 or the swing rod 300, or the torque generated by the torque device 1 510 and the torque device 2 itself is large, the collision head 400 will rotate along the second direction, so that the block 423 is pressed out of the notch 311, and the collision head 400 is continuously stored and folded under the action of the torque device 2. At the same time, the limit member 200 will also be separated from the groove 1 410 to release the restriction on the swing rod 300, so that the swing rod 300 swings along the first direction to form the impact effect required for detection.
[0049] In the present application, the fixed plate 210, the connecting member 220 and the arc-shaped bracket 230 are collectively referred to as an adjustment frame, which is also adjustable. The adjustment frame can rotate around the axis 100 to change the relative position of the limiting member 200 on the circumference of the axis 100.
[0050] Figure 7 As an exemplary structure in a specific implementation, the impact test device is provided with a mounting frame 600, and the mounting frame 600 has two arc-shaped brackets 610 arranged at intervals. The inner side of the arc-shaped bracket 610 has a groove 611 for accommodating the sliding of the arc-shaped bracket 230, and the arc-shaped bracket 230 can be rotated and adjusted in the groove 611.
[0051] based on Figure 7 , Figure 8 An exemplary structure of an adjustment frame is shown, which includes a fixed plate 210 connected to both ends of a shaft 100, a connecting member 220 fixed to the fixed plate 210, and an arc-shaped bracket 230 fixed to the connecting member 220. Both ends of the limit member 200 are respectively connected to the arc-shaped bracket 230 on both sides. The limit member 200 components meet the purpose of being evenly spaced and distributed on the circumference of the arc-shaped bracket 230, and also connect the arc-shaped bracket 230 at both ends of the shaft 100 as a whole, thereby improving the strength of the adjustment frame.
[0052] The present application also provides a hydrogen equipment explosion-proof detection method, comprising the following steps:
[0053] Place the hydrogen device to be tested on one side of the mounting frame 600 so that the hydrogen device is located at the gap formed by the mounting frame 600 and the adjustment frame;
[0054] According to the requirements of the test, the swing rod 300 is rotated to the corresponding limiter 200, and the collision head 400 and the limiter 200 are kept in a locked state. At the same time, according to the requirements of the test, the position of the adjustment frame in the mounting frame 600 is adjusted to maintain the arc length between the collision head 400 and the hydrogen equipment to be tested;
[0055] The locking state between the collision head 400 and the stopper 200 is released, and the collision head 400 is rotated and retracted in the second direction, while the swing rod 300 is rotated in the first direction to perform collision detection on the hydrogen equipment to be tested.
[0056] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.
Claims
1. Anti-disturbance explosion-proof detection impact test device, characterized in that: include: A pendulum rod rotatably arranged around an axis, wherein the free end of the pendulum rod is a detection end; A limiter disposed outside the detection end; A collision head rotatably connected to the detection end, the collision head rotates around the second axis, and the end of the collision head away from the second axis has a first groove; When the limiting member is embedded in the groove one, and the axis one, the axis two and the limiting member are in a collinear line, the swing rod can be locked; after the lock is released, the swing rod will rotate around the axis one to make the collision head hit the workpiece to be tested.
2. The anti-disturbance explosion-proof detection impact test device according to claim 1 is characterized in that: The collision head is provided with a fixing part, the fixing part is provided with an insert connected by a spring 1, the fixing part is also provided with a slider, the slider is connected to the end of the lever through a spring 2, the lever rotates around the other end, the lever and the slider are respectively located on both sides of the fixing part, and a notch is provided on the side arm of the second shaft; When the lever is moved to the first position, the second spring applies a force to the slider to slide toward the insert. As the collision head rotates, the notch misaligned with the insert rotates to a corresponding state, and the first spring squeezes the insert into the notch. The distance between the insert and the fixing portion increases, causing the slider to slide between the insert and the fixing portion, and the slider contacts the insert to restrict the insert to achieve locking of the swing rod. When the lever is moved to the second position, the second spring applies a force to the slider to slide away from the insert, and a gap is generated between the insert and the fixed part, so that when the collision head or the swing rod is forced to swing, the insert is pressed out of the notch to release the swing rod lock.
3. The anti-disturbance explosion-proof detection impact test device according to claim 2 is characterized in that: A torque device 1 is arranged on the shaft 1, one of the torque arms of the torque device 1 is fixed to the swing rod, and the torque device 1 provides a driving force for the swing rod to rotate along a first direction, wherein the first direction is the rotation direction of the swing rod when the collision head hits the test piece.
4. The anti-disturbance explosion-proof detection impact test device according to claim 2 is characterized in that: A torque device 2 is arranged on the shaft 1, one of the torque arms of the torque device 2 is fixed to the collision head, and the torque device 2 provides a driving force for the collision head to rotate along a second direction, which is opposite to the first direction.
5. The anti-disturbance explosion-proof detection impact test device according to claim 1 is characterized in that: The shaft 1 is arranged on the fixed disk, and an arc-shaped bracket 1 is provided on the outer side of the fixed disk. The arc-shaped bracket 1 is connected to the fixed disk through a connecting piece, and the limiting piece is fixed on the arc-shaped bracket 1.
6. The anti-disturbance explosion-proof detection impact test device according to claim 5 is characterized in that: It also includes a mounting frame, which has two arc-shaped brackets 2 that are spaced apart, and the inner side of the arc-shaped bracket 2 has a groove 2 for accommodating the sliding of the arc-shaped bracket 1.
7. The anti-disturbance explosion-proof detection impact test device according to claim 6 is characterized in that: The two ends of the shaft 1 are connected to fixed plates, and the two ends of the limiter are respectively connected to the arc-shaped bracket 1 on both sides.
8. The anti-disturbance explosion-proof detection impact test device according to claim 7 is characterized in that: The working method of the test device comprises the following steps Place the piece to be tested on one side of the mounting frame so that the piece to be tested is located in the gap formed by the mounting frame and the adjustment frame; According to the requirements of the test, the swing rod is rotated to the corresponding limiter, and the collision head and the limiter are kept in a locked state. At the same time, according to the requirements of the test, the position of the arc bracket 1 in the mounting frame is adjusted to maintain the arc length between the collision head and the test piece; The locking state of the collision head and the limiter is released, and the swing rod is rotated to perform collision detection on the hydrogen equipment to be tested.