Spring steel wire elasticity detection device

Abstract

The utility model discloses a spring steel wire elasticity detection device, and relates to the technical field of spring steel wire detection. The device comprises a detection box, a protection box is arranged in the detection box, positioning assemblies are arranged on the two sides of the protection box, each positioning assembly comprises a connecting sleeve and a connecting plate which are fixed to the outer wall of the protection box, the connecting plates are slidably inserted into the inner wall of the detection box, a first pulley is rotationally connected into the side wall of the detection box, and a second pulley is installed below the first pulley and on the outer wall of the detection box. A hydraulic rod is installed on the outer wall of the detection box, the shaft end of the hydraulic rod is connected with the traction steel rope through a tension sensor, and a heating assembly is further installed at the bottom of the protection box. According to the utility model, the spring steel wire is subjected to closed detection by using the protective box, the safety of the device during detection is improved, the spring steel wire is directly baked and heated by using the heating assembly installed at the bottom of the protective box, the heating efficiency is higher, and the protective box does not generate large adverse effects on other components.

Description

Technical Field

[0001] This utility model belongs to the field of spring steel wire testing technology, and in particular relates to a spring steel wire elasticity testing device. Background Technology

[0002] Spring steel wire is a material specifically used to manufacture springs or wire profiles. One of its most important properties is its elasticity, which is also the most important indicator for measuring the superiority of spring steel wire. After the spring steel wire is produced, its elasticity needs to be tested to ensure that the spring steel wire is suitable for the application requirements.

[0003] Chinese patent application CN222704212U discloses a spring steel wire elasticity testing device, including a testing box and a heating box. The heating box is fixedly connected to the lower left side wall of the testing box. A worktable is fixedly connected to the middle of the bottom of the inner cavity of the testing box. A tension sensor is fixedly connected to the top of the worktable. A lower fixing clamp is fixedly connected to the top of the tension sensor. Slide rods are fixedly connected to the left and right sides of the bottom of the inner cavity of the testing box. A slide plate is slidably connected to the outer wall of the slide rod. An upper fixing clamp is fixedly connected to the middle of the bottom of the slide plate. Pointers are fixedly connected to the left and right sides of the bottom of the slide plate. This spring steel wire elasticity testing device has a reasonable structural design and can detect the elasticity of spring steel wire by stretching. It can also test spring steel wire at different temperatures, improving the testing effect of the device.

[0004] The aforementioned spring steel wire elasticity testing device includes a heating chamber containing a heating wire. An air pump is installed beside the heating chamber to heat the environment inside. The heating wire heats the environment inside the heating chamber, and the hot air is then drawn into the testing chamber through the air pump and connecting pipe. However, the hot air drawn into the testing chamber is not only used to heat the spring steel wire but also to heat other components in the testing chamber, such as the hydraulic rod, tension sensor, and fixing clamps. The performance of these other components will be more or less damaged after being heated, leading to premature aging and reduced service life. Furthermore, the tension sensor and hydraulic rod are respectively equipped with lower and upper fixing clamps, which fix the two ends of the spring steel sheet to the tension sensor and hydraulic rod, respectively. However, with the continuous traction of the hydraulic rod, the spring steel sheet is also stretched. The parts of the spring steel sheet with poor elasticity will break and shatter when stretched, which can cause them to bounce outwards and damage various sensors. To address this issue, we provide a spring wire elasticity testing device to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a spring steel wire elasticity testing device. The device uses a protective box to conduct closed testing on the spring steel wire, which improves the safety of the testing process. The heating component installed at the bottom of the protective box directly heats the spring steel wire, which not only has higher heating efficiency, but also prevents the protective box from having a significant adverse effect on other components. This solves the problems of the aforementioned spring steel wire elasticity testing device.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a spring steel wire elasticity testing device, comprising a testing box with a lid on top; a protective box is provided inside the testing box, and positioning components are provided on both sides of the protective box. The positioning components include a connecting sleeve and a connecting plate fixed to the outer wall of the protective box, and the connecting plate is also slidably inserted into the inner wall of the testing box. A pulley is rotatably connected to the side wall of the testing box, and a pulley is installed below the pulley and on the outer wall of the testing box. A hydraulic rod is installed beside the pulley and on the outer wall of the testing box. The shaft end of the hydraulic rod is connected to a traction steel rope through a tension sensor. The traction steel rope passes through the pulley and pulley and extends into the protective box. The end of the traction steel rope inside the protective box is fixedly clamped to the spring steel wire body by a fixing clamp. A heating component is also installed at the bottom of the protective box. The heating component includes a sliding plate slidably connected to the bottom side wall of the protective box. A flame gun is installed on the upper side wall of the sliding plate, and an electric push rod is installed below the sliding plate.

[0008] The present invention is further configured such that side holes are provided at both the left and right ends of the detection box, and pulley one is rotatably disposed in the side hole. The pulley one and pulley two are arranged in a staggered structure, and the hydraulic rod is fixed to the outer wall of the detection box by a fixing bracket.

[0009] The present invention is further configured such that a vertical sliding groove is provided in the front and rear side walls of the detection box, and a mounting groove is provided at the top of the sliding groove, and the detection box is engaged with the mounting plate through the mounting groove.

[0010] The present invention is further configured such that a sliding rod is fixedly inserted at the center of the first sliding groove, the first sliding groove is slidably connected to one end of the connecting plate, and the connecting plate is also inserted on the sliding rod.

[0011] The present invention is further configured such that a spring is sleeved on the outer wall of the slide rod, the spring being disposed between the mounting plate and the connecting plate, one end of the spring abutting against the bottom side wall of the mounting plate, and the other end abutting against the upper side wall of the connecting plate.

[0012] The present invention is further configured such that the spring steel wire body is disposed inside the protective box, and the protective box is fitted with sliding sleeves on both outer walls of the protective box, and the protective box is slidably connected to the traction steel rope through the sliding sleeves.

[0013] The present invention is further configured such that a cover plate is rotatably connected to the top of the protective box, and a temperature sensor is embedded in the cover plate; a bottom groove is provided at the bottom of the protective box, and a sliding groove is provided on the inner wall of the bottom groove.

[0014] The present invention is further configured such that the protective box is slidably connected to the slide plate through the second slide groove, the electric push rod is fixedly installed on the bottom outer wall of the protective box, and the outer wall of the telescopic end of the electric push rod is connected to the bottom side wall of the slide plate.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model features a protective box suspended inside the testing box. Positioning components are located on the front and rear sides of the protective box. Each positioning component includes a connecting sleeve and a connecting plate fixed to the outer wall of the protective box. The connecting plate is also slidably inserted into a sliding rod inside the testing box. The top of the sliding rod is fixed to the side wall of the testing box by a mounting plate. A spring is also fitted onto the sliding rod, with one end abutting against the connecting plate and the other end against the mounting plate. This positions the connecting plate in the middle of the testing box. The spring ensures the protective box is in the center of the testing box and allows it to move upwards under external force, facilitating the replacement of the spring steel wire used for testing. After replacement, simply releasing the protective box allows it to automatically return to the testing position. Furthermore, the protective box is a closed structure; when the spring steel wire used for testing breaks due to external force, the resulting fragments remain inside the protective box and do not penetrate it, thus improving the safety of the device during testing.

[0017] 2. This utility model incorporates a heating component located at the bottom of a protective box. The heating component includes a sliding plate slidably mounted at the bottom of the protective box. An electric push rod is also installed on the outer bottom wall of the protective box, with its shaft end connected to the sliding plate. An electrically controlled flame gun is embedded in the upper side wall of the sliding plate, with its flame-emitting end pointing vertically upwards towards the bottom of the spring steel wire body. In use, the flame gun is activated by a control switch, simultaneously activating the electric push rod. The electric push rod propels the sliding plate and the flame gun on it to move back and forth below the spring steel wire body, while the flame gun heats the bottom side wall of the spring steel wire body with flame. This direct flame heating not only offers higher heating efficiency but also, due to the presence of the protective box, prevents the high temperature from significantly affecting other components. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of a spring wire elasticity testing device.

[0020] Figure 2 This is a structural cross-sectional view of a spring wire elasticity testing device.

[0021] Figure 3 This is a schematic diagram of the testing box.

[0022] Figure 4 This is a schematic diagram of the structure of the device's accessories other than the detection box.

[0023] Figure 5 This is a structural disassembly diagram of the positioning component.

[0024] Figure 6 This is a structural disassembly diagram of the protective box and its accessories.

[0025] Figure 7 This is a schematic diagram of the heating component at the bottom of the protective box.

[0026] The attached diagram lists the components represented by each number as follows:

[0027] 1-Detection box, 101-Side hole, 102-Slide groove one, 103-Mounting groove, 2-Box cover, 3-Pulley one, 4-Pulley two, 5-Hydraulic rod, 501-Fixing frame, 502-Tension sensor, 6-Traction steel rope, 601-Fixing clamp, 602-Spring steel wire body, 7-Protective box, 701-Sliding sleeve, 702-Cover plate, 703-Temperature sensor, 704-Bottom groove, 704a-Slide groove two, 8-Positioning assembly, 801-Connecting plate, 802-Connecting sleeve, 803-Sliding rod, 804-Mounting plate, 805-Spring, 9-Heating assembly, 901-Slide plate, 902-Flame gun, 903-Electric push rod. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1, please refer to Figure 1-5 This utility model is a spring steel wire elasticity testing device, including a testing box 1, a protective box 7 and a positioning component 8. The positioning component 8 facilitates the replacement of the spring steel wire body 602 inside the protective box 7, and the protective box 7 blocks the broken spring steel wire body 602 to prevent it from shooting outward.

[0030] Specifically, a protective box 7 is provided at the center of the testing box 1, and positioning components 8 are provided on the front and rear sides of the protective box 7. The positioning components 8 include a connecting sleeve 802 fixed on the outer wall of the protective box 7, and a connecting plate 801 is also fixed on the outer wall of the connecting sleeve 802. The connecting plate 801 is slidably inserted into the inner wall of the testing box 1.

[0031] Furthermore, the front and rear side walls of the test box 1 are provided with sliding grooves 102, and the top of the sliding grooves 102 is provided with mounting grooves 103. A sliding rod 803 is fixedly inserted into the sliding grooves 102, and a connecting plate 801 is also slidably inserted into the sliding rod 803. A spring 805 is sleeved on the outer wall of the sliding rod 803. A mounting plate 804 is snapped into the mounting groove 103. One end of the spring 805 is connected to the mounting plate 804, and the other end is connected to the connecting plate 801.

[0032] The operation process of this embodiment is as follows: When in use, hold the protective box 7 and pull it upward to compress the spring 805. Then open the cover plate 702 on the protective box 7 and place the spring steel wire body 602 to be tested inside the protective box 7. Clamp both ends of the spring steel wire body 602 on the fixing clamp 601 to close the cover plate 702. Then release the protective box 7. Under the push of the spring 805, the protective box 7 returns to the center position.

[0033] Example 2, please refer to Figure 3 and Figure 6 Based on Example 1, pulley 3, pulley 4, hydraulic rod 5 and traction steel rope 6 are also provided. Pulley 3, pulley 4 and hydraulic rod 5 are all set on the side wall and outer side of the test box 1 to reduce the adverse effects of high temperature.

[0034] Specifically, the top of the testing box 1 is covered with a box cover 2, and side holes 101 are opened on the left and right sides of the testing box 1. A pulley 3 is rotatably connected in the side holes 101. A pulley 4 is installed below the pulley 3 and on the outer wall of the testing box 1. A hydraulic rod 5 is installed on the side of the pulley 4 and on the outer wall of the testing box 1. A traction steel rope 6 is connected to the shaft end of the hydraulic rod 5. The traction steel rope 6 passes through the pulley 4 and the pulley 3 and extends into the protective box 7 inside the testing box 1.

[0035] Furthermore, sliding sleeves 701 are embedded on the outer walls of both sides of the protective box 7. The sliding sleeves 701 are slidably connected to the traction steel rope 6. A fixing clip 601 is detachably and fixedly installed on one end of the traction steel rope 6 inside the protective box 7. The traction steel rope 6 is clamped to the spring steel wire body 602 through the fixing clip 601. A fixing frame 501 is fixedly installed on the outer end of the hydraulic rod 5. The fixing frame 501 is fixed on the outer wall of the detection box 1. A tension sensor 502 is installed on the telescopic shaft end of the hydraulic rod 5. The hydraulic rod 5 is connected to the traction steel rope 6 through the tension sensor 502.

[0036] The operation process of this embodiment is as follows: When in use, the fixing clamp 601 is clamped on the spring steel wire body 602, and then the hydraulic rod 5 is activated. The hydraulic rod 5 pulls the traction steel rope 6 to retract, that is, the traction steel rope 6 forms a pulling effect on the spring steel wire body 602. At the same time, because of the presence of the tension sensor 502, the tension of this part of the traction is also detected. When the tension data detected by the tension sensor 502 is within the qualified value range, and the spring steel wire body 602 does not break or become irreversible, it is determined that the elastic performance of the spring steel wire body 602 is good.

[0037] Example 3, please refer to Figure 7 Based on Embodiments 1 and 2, a heating component 9 is also provided. The heating component 9 installed at the bottom of the protective box 7 directly heats the spring steel wire body 602, resulting in higher heating efficiency.

[0038] Specifically, the bottom of the protective box 7 is provided with a bottom groove 704, and the inner walls on both sides of the bottom groove 704 are provided with sliding grooves 704a. The bottom groove 704 is slidably connected to the sliding plate 901 in the heating component 9 through the sliding grooves 704a. A flame gun 902 is fixedly installed on the upper side wall of the sliding plate 901, and an electric push rod 903 is also installed below the sliding plate 901.

[0039] Furthermore, a cover plate 702 is rotatably connected to the top of the protective box 7, and a temperature sensor 703 for detecting the ambient temperature inside the protective box 7 is embedded in the cover plate 702. The nozzle of the flame gun 902 is set vertically upward. The electric push rod 903 is fixedly installed at the bottom of the protective box 7, and the telescopic end of the electric push rod 903 is fixedly connected to the bottom side wall of the slide plate 901.

[0040] The operation process of this embodiment is as follows: When in use, the electric push rod 903 pushes the slide plate 901 and the flame gun 902 on it to move back and forth under the spring steel wire body 602, while the flame gun 902 heats the bottom side wall of the spring steel wire body 602 by spraying fire. At the same time as heating, the temperature sensor 703 also detects the ambient temperature inside the protective box 7.

[0041] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0042] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A spring steel wire elasticity detection device, comprising a detection box (1), the top of the detection box (1) is provided with a box cover (2); characterized in that: The inside of the detection box (1) is provided with a protection box (7), and the two sides of the protection box (7) are provided with a positioning assembly (8), the positioning assembly (8) comprises a connecting sleeve (802) and a connecting plate (801) fixed on the outer wall of the protection box (7), and the connecting plate (801) is also slidably connected on the inner wall of the detection box (1), a pulley one (3) is rotatably connected in the side wall of the detection box (1), a pulley two (4) is installed below the pulley one (3) and on the outer wall of the detection box (1), a hydraulic rod (5) is installed beside the pulley two (4) and on the outer wall of the detection box (1), the shaft end of the hydraulic rod (5) is connected with a traction steel wire (6) through a tension sensor (502), the traction steel wire (6) extends into the protection box (7) through the pulley two (4) and the pulley one (3), and one end of the traction steel wire (6) in the protection box (7) is fixed and clamped by a fixed clamp (601) and a spring steel wire body (602), a heating assembly (9) is also installed on the bottom of the protection box (7), the heating assembly (9) comprises a sliding plate (901) slidably connected on the bottom side wall of the protection box (7), a flame gun (902) is installed on the upper side wall of the sliding plate (901), and an electric push rod (903) is installed below the sliding plate (901).

2. The spring wire elasticity detection device according to claim 1, wherein The left and right ends of the detection box (1) are both provided with side holes (101), and the pulley one (3) is rotatably arranged in the side hole (101), the pulley one (3) and the pulley two (4) are arranged in up-down staggered structure, and the hydraulic rod (5) is fixed on the outer side wall of the detection box (1) through a fixing frame (501).

3. The spring wire elasticity detection device according to claim 1, wherein The front and rear side walls of the detection box (1) are provided with vertical sliding grooves (102), and the top of the sliding groove (102) is provided with a mounting groove (103), and the detection box (1) is clamped with the mounting plate (804) through the mounting groove (103).

4. The spring wire elasticity detection device according to claim 3, characterized in that, The center of the sliding groove (102) is fixedly inserted with a sliding rod (803), and the sliding groove (102) is slidably connected with one end of the connecting plate (801), and the connecting plate (801) is also inserted on the sliding rod (803).

5. The spring wire elasticity detection device according to claim 4, wherein The outer wall of the sliding rod (803) is also sleeved with a spring (805), the spring (805) is arranged between the mounting plate (804) and the connecting plate (801), one end of the spring (805) abuts against the bottom side wall of the mounting plate (804), and the other end abuts against the upper side wall of the connecting plate (801).

6. The spring wire elasticity detection device according to claim 1, wherein The spring steel wire body (602) is arranged in the protection box (7), and the two side walls of the protection box (7) are inlaid with sliding sleeves (701), and the protection box (7) is slidably connected with the traction steel wire (6) through the sliding sleeve (701).

7. The spring wire elasticity detection device according to claim 1, wherein The top of the protection box (7) is rotatably connected with a cover plate (702), and the cover plate (702) is inlaid with a temperature sensor (703), the bottom of the protection box (7) is provided with a bottom groove (704), and the inner wall of the bottom groove (704) is provided with a sliding groove two (704a).

8. The spring wire elasticity detection device according to claim 7, characterized in that, The protection box (7) is slidably connected with the sliding plate (901) through the second sliding groove (704a), the electric push rod (903) is fixedly installed on the bottom outer wall of the protection box (7), and the telescopic end outer wall of the electric push rod (903) is connected with the bottom side wall of the sliding plate (901).

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