High-strength spring fatigue testing mechanism
By introducing a transparent baffle and a motor drive mechanism into the spring fatigue testing machine, the problems of spring debris splashing and manual adjustment of the limit plate were solved, thus improving safety and ease of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-03-20
AI Technical Summary
Existing spring fatigue testing machines lack protective mechanisms during testing, which can lead to injuries from flying spring debris. Additionally, adjusting the limit plate requires manual operation, which is time-consuming and labor-intensive.
A high-strength spring fatigue testing mechanism was designed. It uses a transparent baffle to cooperate with the housing, and the screw driven by the motor can automatically block debris. The sliding block driven by the motor can automatically adjust the position of the limit plate.
It effectively prevents spring debris from splashing, improves detection safety, simplifies limit plate adjustment, and saves operation time.
Smart Images

Figure CN224019299U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to spring inspection equipment technical field, concretely relates to a high strength spring fatigue inspection mechanism. BACKGROUND
[0002] Spring is a kind of mechanical parts using elasticity to work, and commonly used spring materials include carbon spring steel, alloy spring steel, stainless steel, copper alloy and the like, and different materials have different performance characteristics to adapt to various working environments and requirements.
[0003] And high-strength spring is also a kind of spring, which is made of high-strength material, and the fatigue of high-strength spring is inspected by using a spring fatigue testing machine during production to ensure that the produced high-strength spring meets the production standard, and the spring fatigue testing machine does not have a protection mechanism during use, and when the high-strength spring breaks during detection, the broken spring debris will splash around, which may splash on the surrounding operators, causing the operators to be injured, and the spring fatigue testing machine also needs to manually rotate the adjusting rod to adjust the position of the limiting plate, which is time-consuming and laborious to operate, and brings inconvenience to the use of the spring fatigue testing machine.
[0004] Therefore, the utility model provides a high-strength spring fatigue inspection mechanism to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a high-strength spring fatigue inspection mechanism, which aims to solve the problem that the existing spring fatigue testing machine does not have a protection mechanism during use, and when the high-strength spring breaks during detection, the broken spring debris will splash around, which may splash on the surrounding operators, causing the operators to be injured, and the spring fatigue testing machine also needs to manually rotate the adjusting rod to adjust the position of the limiting plate, which is time-consuming and laborious to operate, and brings inconvenience to the use of the spring fatigue testing machine.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: A high -strength spring fatigue inspection mechanism, including the inspection host computer, the inspection host computer top surface is connected with the sliding frame, the sliding frame bottom end place slidingly penetrates the connection has the placement board, and the sliding frame top end place slidingly penetrates the connection has the limit board, the inspection host computer top surface of sliding frame outside is connected with the shell, the shell front end place inside both sides surface all are equipped with the movable slot, the movable slot bottom end place inside surface is connected with the movable block, the movable block away from one side surface of movable slot is connected with the connecting block, the connecting block one end extends into the connecting groove, the connecting groove is equipped in the both sides surface of transparent baffle bottom end place, the other end of transparent baffle extends into the slide groove of shell top surface and is equipped with.
[0007] As a high-strength spring fatigue inspection mechanism of the utility model preferably, the movable slot inside both ends surface are connected with the first bearing, the first screw is connected between the two first bearings, one end of the first screw extends into the shell and is fixedly connected with the output end of the first motor, and one end of the first screw is connected with the movable block.
[0008] As a high-strength spring fatigue inspection mechanism of the utility model preferably, the size of the transparent baffle matches the size of the open end of the shell, and the transparent baffle is slidingly connected between the slide groove and the shell.
[0009] As a high-strength spring fatigue inspection mechanism of the utility model preferably, the screw is threadedly connected between the front end surface of the transparent baffle bottom end and the connecting block.
[0010] As a high-strength spring fatigue inspection mechanism of the utility model preferably, the recess in the rear end surface of the shell is connected with a vertical block, the front end surface of the vertical block is provided with a sliding groove, the inside both ends surface of the sliding groove is connected with a second bearing, the second screw is connected between the two second bearings, one end of the second screw extends into the vertical block and is fixedly connected with the output end of the second motor, and one end of the second screw is threadedly connected with a sliding block, and the front end surface of the sliding block is connected with the limit plate.
[0011] As a high-strength spring fatigue inspection mechanism of the utility model preferably, the first motor and the second motor are electrically connected through the control switch and the external power supply.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The utility model discloses a casing and the mutual cooperation of transparent baffle, when high -strength spring detects, can start first motor, let the output of first motor drive first screw rod and make the movable block on first screw rod slide in the sliding slot of transparent baffle in the driving of connecting block, make transparent baffle can move down, like this transparent baffle can cover the open mouth of casing front end, like this, when high -strength spring detects and breaks, the splashing debris will be blocked down by casing and transparent baffle, prevent the splashing debris and splash to the operator of periphery, thereby improved the safety of equipment when high -strength spring detects.
[0014] The utility model discloses a casing and the mutual cooperation of transparent baffle, when high -strength spring detects, can start first motor, let the output of first motor drive first screw rod and make the movable block on first screw rod slide in the sliding slot of transparent baffle in the driving of connecting block, make transparent baffle can move down, like this transparent baffle can cover the open mouth of casing front end, like this, when high -strength spring detects and breaks, the splashing debris will be blocked down by casing and transparent baffle, prevent the splashing debris and splash to the operator of periphery, thereby improved the safety of equipment when high -strength spring detects. DRAWINGS
[0015] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model with the embodiment of the utility model, and do not constitute the limitation to the utility model. In the drawings:
[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0017] Figure 2 It is the structure schematic diagram of the utility model transparent baffle after moving;
[0018] Figure 3 It is the local explosion structure schematic diagram of the utility model transparent baffle;
[0019] Figure 4 It is the local structure schematic diagram of the utility model movable groove;
[0020] Figure 5 It is the local section structure schematic diagram of the utility model casing.
[0021] In the drawing: 1, inspection host computer;2, sliding frame;3, placing plate;4, limit board;5, casing;6, movable groove;7, first bearing;8, first screw rod;9, first motor;10, movable block;11, connecting block;12, connecting groove;13, transparent baffle;14, sliding slot;15, bolt;16, limit hole;17, vertical block;18, sliding groove;19, second bearing;20, second screw rod;21, second motor;22, sliding block. CONCRETE IMPLEMENTATION
[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.
[0023] Please refer to Figures 1-5 The utility model provides the following technical scheme: a kind of high-strength spring fatigue test mechanism, including test host 1, test host 1 top surface is connected with sliding frame 2, sliding frame 2 bottom end place sliding penetration connection has placing plate 3, and sliding frame 2 top end place sliding penetration connection has limiting plate 4, test host 1 top surface of sliding frame 2 outside is connected with shell 5, movable slot 6 is set in the inside both sides surfaces of shell 5 front end place, movable block 10 is connected to the inside surface of movable slot 6 bottom end place, the surface of movable block 10 away from movable slot 6 is connected with connecting block 11, one end of connecting block 11 extends into connecting slot 12, connecting slot 12 is set in the both sides surfaces of transparent baffle 13 bottom end place, the other end of transparent baffle 13 extends into the sliding slot 14 set in the top surface of shell 5.
[0024] Preferably: the inside both ends surfaces of movable slot 6 are connected with first bearing 7, first screw 8 is connected between the two first bearings 7, one end of first screw 8 extends into shell 5 and is fixedly connected with the output end of first motor 9, and first screw 8 one end is penetrated and is connected with movable block 10 with screw thread.
[0025] Specific use, by starting first motor 9, the output end of first motor 9 drives first screw 8 to rotate in first bearing 7, so that movable block 10 on first screw 8 moves along movable slot 6, so that movable block 10 can move with transparent baffle 13 by connecting block 11.
[0026] Preferably: the size of transparent baffle 13 matches the size of the opening of the front end of shell 5, and transparent baffle 13 is slidably connected between sliding slot 14 and shell 5.
[0027] Specific use, when the bottom surface of transparent baffle 13 contacts with the top surface of test host 1, transparent baffle 13 can shield the opening of the front end of shell 5, to prevent debris from spattering out of the opening, and transparent baffle 13 can slide in the sliding slot 14 on shell 5, so that transparent baffle 13 can normally move up and down.
[0028] Preferably, the front end surface of the bottom end of the transparent baffle 13 is connected with a bolt 15, the front end surface of the connecting block 11 is provided with a limiting hole 16, and the bolt 15 is screwed through the limiting hole 16 and the transparent baffle 13 to form a threaded connection.
[0029] In use, when the transparent baffle 13 is slid downward on the shell 5 through the sliding groove 14, the connecting block 11 on the movable block 10 is slid into the connecting groove 12 at the bottom of the transparent baffle 13, and the bolt 15 is screwed into the transparent baffle 13 through the limiting hole 16 on the connecting block 11, so that the position of the connecting block 11 is fixed in the connecting groove 12, and the movable block 10 is fixed with the transparent baffle 13 through the connecting block 11, so that the movable block 10 drives the transparent baffle 13 to slide in the shell 5.
[0030] Preferably, the rear end surface of the shell 5 is provided with a groove connected with a vertical block 17, the front end surface of the vertical block 17 is provided with a sliding groove 18, the inner surfaces of both ends of the sliding groove 18 are connected with second bearings 19, and a second screw 20 is connected between the two second bearings 19. One end of the second screw 20 extends into the vertical block 17 and is fixedly connected with the output end of a second motor 21, and one end of the second screw 20 is connected with a sliding block 22 through a threaded connection. The front end surface of the sliding block 22 is connected with the limiting plate 4.
[0031] In use, the bottom surface of the vertical block 17 is connected with the top surface of the inspection host 1, the second motor 21 is started, the output end of the second motor 21 drives the second screw 20 to rotate in the second bearing 19, the sliding block 22 on the second screw 20 moves along the sliding groove 18 on the vertical block 17, and the sliding block 22 drives the limiting plate 4 to slide on the sliding frame 2, so as to change the position of the limiting plate 4 on the sliding frame 2.
[0032] Preferably, the first motor 9 and the second motor 21 are electrically connected through a control switch and an external power supply.
[0033] In use, the first motor 9 and the second motor 21 can be controlled through the switch.
[0034] It should be noted that the inspection host 1 is a TPG-3000 spring high-frequency fatigue testing machine, and the inspection host 1 is provided with a movable rod that can reciprocate. One end of the movable rod is connected with the placement plate 3, so that the movable rod drives the placement plate 3 to reciprocate on the sliding frame 2. The placement plate 3 is provided with a load sensor.
[0035] Working principle: when using the high-strength spring fatigue testing mechanism, first start the first motor 9, let the output end of the first motor 9 drive the first screw 8 to rotate in the first bearing 7, so that the movable block 10 on the first screw 8 slides upward along the movable groove 6, at this time the movable block 10 drives the transparent baffle 13 to move in the sliding groove 14 through the connecting block 11, so that the transparent baffle 13 can be moved to the upper end of the shell 5, at this time the high-strength spring to be detected is placed on the placement plate 3, and then the second motor 21 is started, so that the output end of the second motor 21 drives the second screw 20 to rotate in the second bearing 19, so that the sliding block 22 on the second screw 20 moves downward in the vertical block 17 along the sliding groove 18, at this time the sliding block 22 drives the limiting plate 4 to slide downward on the sliding frame 2, so that the limiting plate 4 contacts the high-strength spring on the placement plate 3, at this time the limiting plate 4 and the placement plate 3 can limit the position of the high-strength spring, so that the controller of the testing host 1 is parameter set, so that the movable rod in the testing host 1 can drive the placement plate 3 to reciprocate on the sliding frame 2, so that the placement plate 3 can extrude the high-strength spring, and in the process of extrusion of the movement of the placement plate 3, the load sensor on the placement plate 3 accurately measures and feeds back the real-time load information acting on the high-strength spring, so that the load sensor can convert the force into an electric signal, so that the collected data is transmitted to the control system, and then the fatigue performance of the spring is evaluated through data analysis, so that the fatigue detection operation of the high-strength spring can be completed, when the high-strength spring is detected, the first motor 9 is started again, so that the first motor 9 drives the first screw 8 to rotate in the opposite direction, so that the movable block 10 can slide downward with the transparent baffle 13 through the connecting block 11, so that the bottom of the transparent baffle 13 can contact the top surface of the testing host 1, at this time the transparent baffle 13 can block the opening at the front end of the shell 5, so that when the high-strength spring is detected, the splashed debris can be blocked by the shell 5 and the transparent baffle 13, so as to prevent the splashed debris from splashing the surrounding operators, thereby improving the safety of the equipment when detecting the high-strength spring, and the position of the limiting plate 4 can be automatically adjusted by starting the second motor 21, so as to prevent the operator from manually adjusting the position of the limiting plate 4, thereby saving the operation time and facilitating the adjustment of the position of the limiting plate 4.
[0036] Finally, it should be pointed out that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A high-strength spring fatigue testing mechanism, comprising a testing host (1), characterized in that: The top surface of the inspection host (1) is connected to a sliding frame (2), and a placement plate (3) is slidably connected through the bottom of the sliding frame (2). A limit plate (4) is slidably connected through the top of the sliding frame (2). The top surface of the inspection host (1) outside the sliding frame (2) is connected to a housing (5). Movable grooves (6) are opened on both sides of the front end of the housing (5). Movable blocks (10) are connected to the inner side of the bottom end of the movable grooves (6). A connecting block (11) is connected to the side surface of the movable block (10) away from the movable grooves (6). One end of the connecting block (11) extends into the connecting groove (12). The connecting groove (12) is opened on both sides of the bottom end of the transparent baffle (13). The other end of the transparent baffle (13) extends into the sliding groove (14) opened on the top surface of the housing (5).
2. The fatigue testing mechanism for high-strength springs according to claim 1, characterized in that: The inner surfaces of the movable groove (6) are connected to the first bearings (7), and the two first bearings (7) are connected to the first screw (8). One end of the first screw (8) extends into the housing (5) and is fixedly connected to the output end of the first motor (9). A movable block (10) is threaded through one end of the first screw (8).
3. The fatigue testing mechanism for high-strength springs according to claim 1, characterized in that: The size of the transparent baffle (13) matches the size of the front opening of the shell (5), and the transparent baffle (13) is slidably connected to the shell (5) through the groove (14).
4. The fatigue testing mechanism for high-strength springs according to claim 1, characterized in that: A bolt (15) is connected through the front surface of the bottom end of the transparent baffle (13), and a through limiting hole (16) is opened on the front surface of the connecting block (11). The bolt (15) is threadedly connected to the transparent baffle (13) through the through limiting hole (16).
5. The fatigue testing mechanism for high-strength springs according to claim 1, characterized in that: A vertical block (17) is connected in a groove on the rear surface of the housing (5). A sliding groove (18) is provided on the front surface of the vertical block (17). A second bearing (19) is connected to both ends of the sliding groove (18). A second screw (20) is connected between the two second bearings (19). One end of the second screw (20) extends into the vertical block (17) and is fixedly connected to the output end of the second motor (21). A sliding block (22) is threaded through one end of the second screw (20). The front surface of the sliding block (22) is connected to the limiting plate (4).
6. The fatigue testing mechanism for high-strength springs according to claim 2, characterized in that: The first motor (9) and the second motor (21) are electrically connected to an external power source via a control switch.