Special-shaped spring measuring device

Abstract

The utility model belongs to the field of special-shaped spring, concretely relates to a special-shaped spring measuring device, including support frame, force arm extender, inclination detector and force detector, the force arm extender includes fixed part, rotating part and extension part, the fixed part is fixedly arranged in support frame, the rotating part is rotatably connected with fixed part, the rotating part is fixedly connected with extension part, and special-shaped spring is contained between rotating part and fixed part, and the rotating part rotates and drives special-shaped spring to rotate deformation when, the inclination detector is installed in the extension part, the force detector is arranged in the force arm extender outside, the force detector is used for with extension part contact, and the pressure that extension part gives force detector is measured, the utility model provides a kind of special-shaped spring measuring device, its purpose is to realize the torque detection of special-shaped spring.

Description

Technical Field

[0001] This utility model belongs to the field of irregular springs, and specifically relates to an irregular spring measuring device. Background Technology

[0002] As an indispensable key elastic component in modern mechanical systems, irregularly shaped springs are widely used in automotive suspension systems, electronic communication equipment, medical devices, aerospace, and new energy vehicles due to their irregular shapes and complex angle designs. Compared with traditional cylindrical helical springs, irregularly shaped springs, using rectangular cross-section materials, can achieve higher load capacity and energy absorption efficiency within limited space, demonstrating unique advantages, especially in space-constrained precision equipment.

[0003] Among the performance indicators of irregularly shaped springs, a crucial one is that the spring must provide a standard torque at a predetermined angle, which determines whether the spring can meet the application requirements. However, due to the special shape of irregularly shaped springs, the devices commonly used to measure spring torque are usually adapted to conventional cylindrical helical springs and cannot be used with irregularly shaped springs.

[0004] Therefore, there is an urgent need in the existing technology for a device that can adapt to irregularly shaped springs and measure them. Utility Model Content

[0005] This utility model provides a non-standard spring measuring device, the purpose of which is to adapt to non-standard springs and realize the torque detection of non-standard springs.

[0006] To achieve the above objectives, this utility model provides a non-standard spring measuring device, including a support frame, a lever arm extender, a tilt detector, and a force detector. The lever arm extender includes a fixed component, a rotating component, and an extension component. The fixed component is connected to the support frame, so that the fixed component is in a fixed state. The rotating component is rotatably connected to the fixed component and fixedly connected to the extension component. The rotating component and the fixed component are respectively adapted to the two ends of the non-standard spring, so that the rotation of the rotating component drives the non-standard spring to rotate and deform. The tilt detector is installed on the extension component and is used to measure the tilt angle of the extension component. The force detector is used to contact the extension component and measure the pressure exerted by the extension component on the force detector.

[0007] This solution uses a lever arm extender that is fitted to a shaped spring. When the extension component in the lever arm extender rotates, it causes the shaped spring to rotate and deform. When the shaped spring is in a deformed state, the extension component is in an inclined state. At this time, a force detector detects the pressure, and an inclination detector detects the rotation angle of the extension component from the horizontal plane. Then, by combining this with the horizontal distance from the center of the shaped spring to the contact point between the extension component and the force detector, the torque data at the corresponding angle can be obtained using the torque calculation formula. The technical solution of this application solves the problem in the prior art where the inability to fit with shaped springs prevents the measurement of the torque of shaped springs.

[0008] Preferably, in order to provide the power for the extension component to drive the irregular spring to rotate, this solution preferably also includes a lifter. The force detector is installed on the top of the lifter and contacts the extension component. The lifter drives the force detector to move vertically up and down, so that the extension component starts to rotate from the horizontal plane and drives the irregular spring to rotate and deform.

[0009] This solution involves placing a lifter at the bottom of the force detector, and then positioning the force detector in contact with the extension component. When the lifter moves the force detector up and down, the lifting force acts on the extension component, causing it to rotate. By using a lifter, the rotation of the extension component is driven, resulting in better performance.

[0010] Preferably, in order to make the device more integrated, the lifting device is preferably installed on the support frame, and the support frame fixes the lifting device.

[0011] By mounting the lifter onto the support frame, the device is integrated. Simultaneously, the support frame fixes the lifter in place, making it easier to measure the horizontal distance between the center of the irregular spring and the contact point between the extension component and the force detector.

[0012] Preferably, since the irregularly shaped spring deforms under force, it is prone to springing away when deformed, which can cause it to detach from the lever arm extender. To solve this problem, a spring cavity is constructed between the fixed component and the rotating component in this solution, and the irregularly shaped spring is housed inside the spring cavity; the rotating component and the fixed component can be separated, allowing the spring cavity to be opened / closed.

[0013] This design uses a spring cavity to limit and fix the irregularly shaped spring, thus constraining it and preventing it from bouncing away under force. Simultaneously, the rotating component and the fixed component are separable, ensuring that the irregularly shaped spring can be assembled and disassembled.

[0014] Preferably, in order to form a spring cavity, the fixed component is provided with a first mating groove on its side, and the rotating component is provided with a second mating groove on its side, and the first and second mating grooves are combined to form the spring cavity.

[0015] Preferably, in order to achieve a rotatable connection between the rotating component and the fixed component, the lever arm extender of this solution further includes a central shaft, the rotating component is mounted on the central shaft, the rotating component rotates around the central shaft, and the central shaft is fixedly connected to the fixed component.

[0016] This design involves mounting a central shaft onto a fixed component, and then mounting the rotating component onto the central shaft. This achieves a rotatable connection between the fixed and rotating components. Furthermore, since the rotating component rotates around the central shaft, its rotation is more stable.

[0017] Preferably, in order to fix one end of the irregularly shaped spring, the fixing component of this solution is provided with a first mating protrusion, which engages and limits the first end of the irregularly shaped spring. This solution, by having the first mating protrusion abut against the first end of the irregularly shaped spring, limits the first end of the irregularly shaped spring, thus fixing it in a fixed state.

[0018] To enable the irregularly shaped spring to rotate with the rotating component, the rotating component in this design is provided with a second mating protrusion, which engages and limits the second end of the irregularly shaped spring. By having the second mating protrusion abut against the second end of the irregularly shaped spring, when the rotating component rotates, the second mating protrusion pushes the second end of the irregularly shaped spring, causing the spring to deform under stress.

[0019] Preferably, in this solution, the fixing component is detachably connected to the support frame; Preferably, the extension component and the rotating component are detachably connected in this design.

[0020] Preferably, in order to achieve a detachable connection between the fixing component and the support frame, the support frame of this solution is equipped with a support shaft, the fixing component is provided with a mating hole, the fixing component is sleeved and installed on the support shaft through the mating hole, and the support shaft and the fixing component are in a separable state; the support shaft is equipped with a limiting part to constrain the fixing component.

[0021] Preferably, since the extension component can rotate, in order to ensure that the distance between the contact point between the force detector and the extension component and the center of the irregular spring remains unchanged during the rotation of the extension component, the force detector is preferably equipped with a V-shaped mating head, which contacts the extension component, so that the V-shaped mating head and the extension component are in line contact.

[0022] The beneficial effects of this utility model are as follows: This solution uses a lever arm extender and a custom-shaped spring for compatibility. When the extension component in the lever arm extender rotates, it causes the custom-shaped spring to rotate and deform. When the custom-shaped spring is in a deformed state, the extension component is in an inclined state. At this time, the pressure is detected by a force detector, and the rotation angle of the extension component from the horizontal plane is detected by a tilt detector. Then, combined with the distance between the center of the custom-shaped spring and the extension component and the force detector, the torque data at the corresponding angle can be obtained through the torque calculation formula. The technical solution of this application solves the problem in the prior art that the torque of a custom-shaped spring cannot be measured because it cannot be adapted to the spring. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the irregular spring measuring device.

[0024] Figure 2 This is a schematic diagram showing the parameters for measuring the torque of an irregularly shaped spring.

[0025] Figure 3 This is a schematic diagram of a lever arm extender.

[0026] Figure 4 This is a structural diagram of the fixed component.

[0027] Figure 5 This is a sectional view of the fixed component.

[0028] Figure 6 This is a schematic diagram of the rotating component.

[0029] Figure 7 This is a cross-sectional view of the rotating component.

[0030] Figure 8 This is a schematic diagram showing the fit between the rotating and fixed components.

[0031] Figure 9 This is a schematic diagram of the support frame.

[0032] Figure 10 This is a schematic diagram of an irregularly shaped spring.

[0033] The reference numerals in the attached drawings include: support frame 1, support platform 11, support column 12, support shaft 13, limiting part 131, limiting protrusion 132, lever arm extender 2, extension component 21, screw 211, fixing component 22, central shaft 221, annular groove 221a, first mating protrusion 222, first mating groove 223, rotating component 23, mounting hole 231, second mating protrusion 232, second mating groove 233, force detector 3, V-shaped mating head 31, lifting device 4, tilt detector 5, and irregular spring 6. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

[0035] The basic implementation examples are as follows: Figure 1 To be continued Figure 2 As shown, an irregular spring measuring device includes a support frame 1, a lever arm extender 2, a force detector 3, a tilt detector 5, and a lifter 4.

[0036] In this embodiment, the lever arm extender 2 is used to cooperate with the irregularly shaped spring 6 and drive the irregularly shaped spring 6 to rotate to a predetermined angle. The irregularly shaped spring 6 deforms during rotation. Specifically, the irregularly shaped spring 6 is arc-shaped, with its two ends being a first end and a second end, as shown below. Figure 10 As shown.

[0037] like Figure 3 As shown, the lever arm extender 2 in this embodiment specifically includes an extension component 21, a fixing component 22, and a rotating component 23. In this embodiment, the fixing component 22 is mounted on the support frame 1 and cannot rotate. Figure 4 and Figure 5 As shown, the fixing component 22 can be disc-shaped or gear-shaped, but gear-shaped is more preferred. A central shaft 221 is fixedly installed on the center of the side of the fixing component 22. In practice, it is preferable to integrally form the central shaft 221 and the fixing component 22, or the central shaft 221 can be installed on the fixing component 22 by setting fasteners or welding. The central shaft 221 is cylindrical, and the rotating component 23 is sleeved on the central shaft 221, and the rotating component 23 can rotate around the center of the central shaft 221. In practice, a circular mounting hole 231 is constructed on the rotating component 23, and the mounting hole 231 is sleeved on the central shaft 221, so that the rotating component 23 can rotate around the mounting hole 231 as the center. In order to prevent the rotating component 23 from disengaging from the central shaft 221, an annular groove 221a is provided on the central shaft 221, and a retaining ring is detachably installed in the annular groove 221a. The retaining ring abuts against the rotating component 23 to prevent the rotating component 23 from disengaging from the central shaft 221. Of course, when it is necessary to separate the rotating component 23 from the fixed component 22, simply remove the retaining ring, and the rotating component 23 will no longer be restricted, allowing it to be separated from the fixed component 22. Figure 6 and Figure 7As shown, the rotating component 23 can also be disc-shaped or gear-shaped, but gear-shaped is more preferred. The gear-shaped rotating component 23 is detachably connected to the extension component 21. In implementation, the extension component 21 is configured to include a rod portion and a ring portion, the ring portion being circular or rectangular, and the rotating component 23 is accommodated in the inner ring of the ring portion. Simultaneously, a threaded hole is constructed on the ring portion, and a screw 211 is accommodated inside the threaded hole. When the screw 211 rotates in the forward direction, it can be inserted into the gear-shaped rotating component 23, and the ring portion and the rotating component 23 are fixedly connected; when the screw 211 rotates in the reverse direction, it can be disengaged from the gear-shaped rotating component 23, and the ring portion and the rotating component 23 are separated. The rod portion is connected to the ring portion, and the rod portion and the ring portion can be integrally formed, or they can be connected by welding or by setting fasteners. In order for the rotating component 23 to drive the irregular spring 6 to rotate and deform, this embodiment provides a first mating protrusion 222 on the side of the fixing component 22. The first mating protrusion 222 can be a block-shaped protrusion, a rod-shaped protrusion, or a protrusion of other shapes. A second mating protrusion 232 is provided on the side of the rotating component 23, which can also be a block-shaped protrusion, a rod-shaped protrusion, or a protrusion of other shapes. The first end of the irregularly shaped spring 6 can abut against and limit the first mating protrusion 222, and the second end of the irregularly shaped spring 6 can abut against and limit the second mating protrusion 232. Therefore, when the rotating component 23 rotates, the second mating protrusion 232 pushes the second end of the irregularly shaped spring 6, causing the irregularly shaped spring 6 to rotate and deform.

[0038] like Figure 8 As shown, when the irregularly shaped spring 6 is located between the fixed component 22 and the rotating component 23, in order to constrain the irregularly shaped spring 6 and prevent it from flying off, this embodiment provides a spring cavity in the fixed component 22 and the rotating component 23. The spring cavity is preferably an annular cavity, with a diameter slightly larger than the diameter of the irregularly shaped spring 6, and it accommodates the irregularly shaped spring 6 inside. When the irregularly shaped spring 6 is accommodated inside the spring cavity, it is limited by the inner wall of the spring cavity, thereby solving the problem of the irregularly shaped spring 6 flying off. To construct the spring cavity, this embodiment preferably has a first mating groove 223 on the side of the rotating component 23 and a second mating groove 233 on the side of the fixed component 22. When the rotating component 23 and the fixed component 22 cooperate, the first mating groove 223 and the second mating groove 233 engage with each other, thereby forming the spring cavity. When the rotating component 23 and the fixed component 22 separate, the spring cavity can be opened.

[0039] It should be noted that: This embodiment introduces a construction method of the spring cavity, but in some other embodiments, the spring cavity can be constructed only on the side of the fixed part 22 or the rotating part 23, and then the spring cavity can be closed by fitting the fixed part 22 and the rotating part 23 together.

[0040] To keep the adapter in a fixed position, the support frame 1 in this embodiment includes a support platform 11, a support column 12, and a support shaft 13. The support platform 11 is a rectangular platform, and a leveling nut is provided at the bottom of the support platform 11 to adjust it to a horizontal state. The bottom of the support column 12 is fixedly installed on the support platform 11. In practice, the bottom of the support column 12 can be welded to the support platform 11. The top of the support column 12 is then fixedly connected to the support shaft 13, with the support shaft 13 in a horizontal installation state and the support column 12 in a vertical state. The support shaft 13 and the support column 12 can be fixedly welded or connected by fasteners. To adapt to the support shaft 13, the fixing component 22 in the adapter has a mating hole in the middle, which extends through the entire central shaft 221. The support shaft 13 can be inserted into the mating hole, thereby allowing the adapter to be detachably installed onto the support shaft 13. To secure the adapter to the support shaft 13, the outer surface of the support shaft 13 is provided with external threads. A limiting part 131 with a threaded hole is also provided on the support shaft 13, and the limiting part 131 can be a nut. The limiting part 131 is threaded onto the support shaft 13, holding the adapter in place and preventing it from separating from the support frame 1. Furthermore, to prevent the adapter from moving on the support shaft 13, the support shaft 13 is also provided with limiting protrusions 132. The limiting protrusions 132 and the limiting part 131 are located on both sides of the adapter, thus limiting the adapter's left and right movement and solving the problem of easy adapter movement.

[0041] To determine the rotation angle of the extension component 21, an inclination detector 5 is fixedly mounted on the extension component 21. When the extension component 21 starts to rotate from a horizontal position, the inclination detector 5 can detect the rotation angle of the extension component 21. In this embodiment, the inclination detector 5 can specifically be a slope meter. In this embodiment, the force detector 3 is fixedly mounted on the top of the lifter 4. The force detector 3 can be a pressure sensor or other pressure detection device. The lifter 4 can be a lifting mechanism in the prior art, such as a lifting platform. The lifter 4 is fixedly mounted on the support platform 11 of the support frame 1, and the position of the lifter 4 is fixed. The lifter 4 drives the force detector 3 to move vertically up and down. The top of the force detector 3 contacts the bottom of the extension component 21. When the lifter 4 drives the force detector 3 to rise in height, the force detector 3 pushes the extension component 21 to rotate from a horizontal position, and the irregular spring 6 rotates and deforms accordingly. The force detector 3 is also equipped with a V-shaped mating head 31, which contacts the bottom of the extension component 21. The V-shaped mating head 31 makes the contact position between the force detector 3 and the extension component 21 a line contact.

[0042] It should be noted that in this embodiment, the rotation of the extension component 21 is powered by the lifting of the elevator 4. However, in some other embodiments, the extension component 21 can be directly driven by external force to rotate from the horizontal plane to a predetermined angle, and then the elevator 4 can raise the force detector 3 to the position where it contacts the extension component 21.

[0043] The following detailed description illustrates the specific implementation method: When the irregularly shaped spring 6 needs to rotate and deform, it is assembled between the rotating component 23 and the fixed component 22. The first end of the irregularly shaped spring 6 abuts against the first limiting protrusion 132, and the second end of the irregularly shaped spring 6 abuts against the second limiting protrusion 132. At this time, the extension component 21 is in a horizontal state.

[0044] Then, the lifting device 4 pushes the force detector 3 to move vertically upward, thereby causing the extension component 21 to rotate counterclockwise from the horizontal plane. During the rotation of the extension component 21, the tilt detector 5 detects the rotation angle of the extension component 21 in real time. If the predetermined angle is reached, the lifting device 4 stops rising, and the extension component 21 stops rotating.

[0045] At this point, the corresponding torque is calculated using the torque calculation formula, which is: Where F1 is the pressure data of force detector 3, θ is the rotation angle data of extension component 21 detected by tilt detector 5, and S is the horizontal distance between the center of the irregular spring 6 and the contact point between force detector 3 and extension component 21.

[0046] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A measuring device for irregularly shaped springs, characterized in that: Includes support frame, lever arm extender, tilt detector and force detector; The lever arm extender includes a fixed component, a rotating component, and an extension component. The fixed component is connected to the support frame, so that the fixed component is in a fixed state. The rotating component is rotatably connected to the fixed component and fixedly connected to the extension component. The rotating component and the fixed component are used to adapt to the two ends of the irregular spring, so that the rotation of the rotating component drives the irregular spring to rotate and deform. The tilt detector is installed on the extension component and is used to measure the tilt angle of the extension component. The force detector is used to contact the extension component and measure the pressure exerted by the extension component on the force detector.

2. The irregular spring measuring device according to claim 1, characterized in that: It also includes a lifter, the force detector is installed on the top of the lifter, the force detector is in contact with the extension component, the lifter drives the force detector to move vertically up and down, so that the extension component starts to rotate from the horizontal plane and drives the irregular spring to rotate and deform.

3. The irregular spring measuring device according to claim 2, characterized in that: The lifting device is mounted on the support frame, and the support frame fixes the lifting device in place.

4. The irregular spring measuring device according to claim 3, characterized in that: A spring cavity is constructed between the fixed component and the rotating component, and the irregularly shaped spring is accommodated inside the spring cavity; The rotating component and the fixed component can be separated, allowing the spring cavity to be opened / closed.

5. The irregular spring measuring device according to claim 4, characterized in that: The fixed component has a first mating groove on its side, and the rotating component has a second mating groove on its side. The first and second mating grooves are combined to form the spring cavity.

6. The irregular spring measuring device according to claim 1, characterized in that: The lever arm extender also includes a central shaft, the rotating component is mounted on the central shaft, the rotating component rotates around the central shaft, and the central shaft is fixedly connected to the fixed component.

7. The irregular spring measuring device according to claim 1, characterized in that: The fixing component is provided with a first mating protrusion, which engages with and limits the first end of the irregular spring. And / or; the rotating component is provided with a second mating protrusion, which engages with and limits the second end of the irregular spring.

8. The irregular spring measuring device according to claim 1, characterized in that: The fixing component is detachably connected to the support frame; And / or; the extension component is detachably connected to the rotating component.

9. The irregular spring measuring device according to claim 8, characterized in that: The support frame includes a support shaft, and the fixing component is provided with a mating hole. The fixing component is sleeved and installed on the support shaft through the mating hole, and the support shaft and the fixing component are in a separable state. The support shaft is equipped with a limiting part to constrain the fixing component.

10. The irregular spring measuring device according to claim 1, characterized in that: The force detector is equipped with a V-shaped mating head, which contacts the extension component, such that the V-shaped mating head makes line contact with the extension component.

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