Fixed protection structure for wire bending fatigue test

Abstract

The utility model discloses a fixing protection structure for a wire bending fatigue test, which belongs to the technical field of wire bending test protection, and is characterized by comprising a test board, the top of the test board is fixedly connected with a stabilizing mechanism, the top of the stabilizing mechanism is fixedly connected with a top plate, the top of the top plate is fixedly connected with a test mechanism, and the top of the test mechanism is fixedly connected with a clamping mechanism. The top of the test board is fixedly connected with a protection mechanism; the wire bending strength and displacement can be more accurately controlled through the synergistic effect of all parts of the testing mechanism, the testing result is more accurate, the testing efficiency can be improved, a protection mechanism and a protection baffle are installed in a clamping groove of the testing table in cooperation with a threaded rod, the wire can be effectively prevented from popping up to hurt people in the testing process, and the testing efficiency is improved. The safety of the testing process is improved, the groove, the counter, the observation window and the limiting strip at the top of the testing table can fix the wire more accurately, the testing process can be observed conveniently, and the counter can record the bending times conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to wire bending test protection technical field, especially in wire bending fatigue test fixed protection structure. BACKGROUND

[0002] A kind of wire bending fatigue test fixed protection structure is used to in the process of wire bending fatigue test, to wire plays the device of fixed and protection, by fixed assembly external force, wire is tightly fixed in specified position, make wire not displace or slack in the testing process, such as using the clamping force of clamp, the cooperation clamping force of clamping plate and spring, ensure that wire remains stable when bending, accurately fixed wire, ensure that the position and angle of each bending are consistent, make test result more reliable and repeatability.

[0003] The existing earpiece wire expansion fatigue test device is mainly that earpiece wire product is continuously stretched to a certain length by using air pressure power to repeatedly view its damaged parts and expansion times, but since the stretching length of the earpiece wire product is fixed in this test method, with the increase of expansion times, the stress of the test device to the product gradually decreases when the product is stretched to the initial set length, so that the test result is not accurate enough;

[0004] The existing patent (announcement number: CN203011779U) a kind of wire expansion fatigue test device, including base, two support frames from base, expansion device fixed below support frame and fixed device for fixing test wire above support frame, at least one set of weights is provided on the expansion device, the weight is connected with the other end of test wire.The utility model carries out expansion fatigue life test to sample by the constant gravity of weight, not only ensures that the stress of sample is consistent each time expansion, and more truly simulates the stress life of sample in actual use process;Meanwhile, the device structure is simple, low in cost, and practical operation is simple.

[0005] For the above problems, the existing patent gives a solution, but the existing wire bending fatigue test fixed protection device, usually all directly fix one side of wire, then fix the other side of wire in the telescopic end of electric telescopic rod etc. device, in this way, the fatigue of wire is tested, this way although can test the fatigue of wire, but the result of test is not accurate enough, efficiency is lower, and in the process of testing, it is more dangerous, practicality is insufficient.

[0006] Therefore, a kind of wire bending fatigue test fixed protection structure is proposed. UTILITY MODEL CONTENTS

[0007] The utility model discloses a purpose lies in, provide a kind of wire rod bending fatigue test fixed protection structure, can solve the wire rod bending fatigue test fixed protection device of existing, usually all directly the one side of wire rod is fixed, then the other side of wire rod is fixed in the telescopic end of electric telescopic rod etc. device, in this way to wire rod fatigue is tested, this way although can test the fatigue of wire rod, but the result of testing is not accurate enough, efficiency is lower, and in the process of testing is more dangerous, the problem of insufficient practicality.

[0008] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of wire rod bending fatigue test fixed protection structure, including test table, the top of the test table is fixedly connected with stabilizing mechanism, the top of the stabilizing mechanism is fixedly connected with top plate, the top of the top plate is fixedly connected with test mechanism, the top of the test table is fixedly connected with protection mechanism;

[0009] The test mechanism includes hydraulic cylinder, mounting plate, test head, telescopic rod, fixed plate, sliding rod, limit seat and tension spring, the top of the top plate is fixedly connected with the hydraulic cylinder, the mounting plate is fixedly connected at hydraulic cylinder output end, the test head is fixedly connected at the bottom of mounting plate, the bottom of the both sides of mounting plate is fixedly connected with telescopic rod, the telescopic end of the fixed plate is fixedly connected with telescopic rod, the inner wall of the both sides of test table is all provided with sliding groove, the sliding rod is fixedly connected in the inner wall of sliding groove, the tension spring is sleeved on the surface of sliding rod, the limit seat is slidably connected on the surface of sliding rod.

[0010] Preferably, the protection mechanism includes protective baffle, observation window, clamping groove, threaded rod and threaded hole, the clamping groove is provided in the inner wall of test table, the protective baffle is clamped in the inner wall of clamping groove, the observation window is fixedly connected in the inner wall of protective baffle, the threaded hole is provided in the inner wall of protective baffle and test table, and the threaded rod is screwedly connected in the inner wall of threaded hole.

[0011] Preferably, the stabilizing mechanism includes support column, stabilizing plate and limit slot, the support column is fixedly connected between top plate and test table, the stabilizing plate is fixedly connected on the surface of hydraulic cylinder output end, and the limit slot is provided in the inner wall of stabilizing plate.

[0012] Preferably, the inner wall of the both sides of stabilizing plate is slidably connected on the surface of support column, and the front side of test table is fixedly connected with PLC controller.

[0013] Preferably, the surface of telescopic rod is sleeved with spring, one end of the tension spring is fixedly connected in the inner wall of sliding groove, and the other end of the tension spring is fixedly connected on the left side of limit seat.

[0014] Preferably, the bottom of fixed plate is provided with recess, and the top of test table is fixedly connected with limit strip.

[0015] Preferably, the top of the test bench is provided with a fixing groove, the size of the fixing groove is matched with the size of the fixing plate.

[0016] Preferably, the top of the top plate is fixedly connected with a limiting frame, the hydraulic cylinder is fixedly connected with the inner wall of the limiting frame, the top of the test bench is provided with a test groove, and the front side of the stabilizing plate is fixedly connected with a counter.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、The test mechanism can control the force and displacement of the wire bending more accurately through the cooperation of various components, the test result is more accurate, and the test efficiency is improved.

[0019] 2、The protection mechanism is installed in the clamping groove of the test bench through the cooperation of the protective baffle and the threaded rod, the wire can be effectively prevented from being ejected to hurt people during the test, the safety of the user is ensured, and the safety of the test process is improved.

[0020] 3、The recess, the counter, the observation window and the limiting strip on the top of the test bench can fix the wire more accurately, the test process is convenient to observe, the counter is convenient to record the bending times, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure diagram of the wire bending fatigue test fixing protection of the utility model;

[0022] Figure 2 It is a local structure schematic view of the test mechanism of the utility model;

[0023] Figure 3 It is a local structure schematic view of the protection structure of the utility model; Figure 2

[0024] Figure 4 It is a local structure schematic view of the protection structure of the utility model;

[0025] Figure 5 It is a local structure schematic view of the stabilizing mechanism of the utility model.

[0026] In the drawing, 1, test mechanism; 11, hydraulic cylinder; 12, mounting plate; 13, test head; 14, telescopic rod; 15, spring; 16, fixing plate; 17, sliding rod; 18, limiting seat; 19, tension spring; 2, protection mechanism; 21, protective baffle; 22, observation window; 23, clamping groove; 24, threaded rod; 25, threaded hole; 3, test bench; 4, PLC controller; 5, top plate; 6, stabilizing mechanism; 61, supporting column; 62, stabilizing plate; 63, limiting groove; 7, counter; 8, recess; 9, test groove. ​DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-5 The utility model provides technical scheme:

[0029] A wire bending fatigue test fixed protection structure, including test table 3, the top of test table 3 is fixedly connected with stabilizing mechanism 6, the top of stabilizing mechanism 6 is fixedly connected with top plate 5, the top of top plate 5 is fixedly connected with test mechanism 1, the top of test table 3 is fixedly connected with protection mechanism 2;

[0030] Test mechanism 1 includes hydraulic cylinder 11, mounting plate 12, test head 13, telescopic rod 14, fixed plate 16, sliding rod 17, limit seat 18 and tension spring 19, hydraulic cylinder 11 is fixedly connected at the top of top plate 5, mounting plate 12 is fixedly connected at the output end of hydraulic cylinder 11, test head 13 is fixedly connected at the bottom of mounting plate 12, telescopic rod 14 is fixedly connected at the bottom of both sides of mounting plate 12, fixed plate 16 is fixedly connected at the telescopic end of telescopic rod 14, the inner wall of both sides of test table 3 is all provided with sliding groove, sliding rod 17 is fixedly connected at the inner wall of sliding groove, tension spring 19 is sleeved on the surface of sliding rod 17, limit seat 18 is slidably connected at the surface of sliding rod 17.

[0031] In the embodiment: through setting test table 3 can carry out bending fatigue test to wire, through setting top plate 5 can install hydraulic cylinder 11, through setting hydraulic cylinder 11 can install mounting plate 12, through setting test head 13 can carry out bending fatigue fatigue test to wire, through setting telescopic rod 14 can make fixed plate 16 can continuously limit the position of wire, through setting sliding rod 17 can make limit seat 18 can slide, through setting tension spring 19 can make limit seat 18 always keep in a position.

[0032] Specifically, as shown in Figure 4 Protection mechanism 2 includes protective baffle 21, observation window 22, clamping groove 23, threaded rod 24 and threaded hole 25, clamping groove 23 is provided in the inner wall of test table 3, protective baffle 21 is clamped in the inner wall of clamping groove 23, observation window 22 is fixedly connected in the inner wall of protective baffle 21, threaded hole 25 is provided in the inner wall of protective baffle 21 and test table 3, threaded rod 24 is screwedly connected in the inner wall of threaded hole 25.

[0033] Specifically, as shown inFigure 4 、 Figure 5 As shown in FIG. 6, the stabilizing mechanism 6 comprises a support column 61, a stabilizing plate 62 and a limiting groove 63, the support column 61 is fixedly connected between the top plate 5 and the test table 3, the stabilizing plate 62 is fixedly connected to the surface of the output end of the hydraulic cylinder 11, and the limiting groove 63 is arranged in the inner wall of the stabilizing plate 62.

[0034] Specifically, as shown in FIG. 6, the inner walls on both sides of the stabilizing plate 62 are slidingly connected to the surface of the support column 61, and the front side of the test table 3 is fixedly connected with the PLC controller 4. Figure 1 、 Figure 5

[0035] In this embodiment: the protective baffle 21 can avoid injury to the user, the observation window 22 can facilitate the user to observe the bending fatigue test of the wire, the clamping groove 23 can be used to install the protective baffle 21, the threaded rod 24 and the threaded hole 25 can be used to install the protective baffle 21, the support column 61 can be used to support the top plate 5, the stabilizing plate 62 can be used to maintain the stability of the hydraulic cylinder 11 and the mounting plate 12, the limiting groove 63 can be used to avoid the limiting seat 18 from touching the stabilizing plate 62, and the PLC controller 4 can be used to control the hydraulic cylinder 11.

[0036] Specifically, as shown in FIG. 7, the surface of the telescopic rod 14 is sleeved with the spring 15, one end of the tension spring 19 is fixedly connected to the inner wall of the sliding groove, and the other end of the tension spring 19 is fixedly connected to the left side of the limiting seat 18. Figure 3 Specifically, as shown in FIG. 7, the bottom of the fixed plate 16 is provided with the groove 8, and the top of the test table 3 is fixedly connected with the limiting strip.

[0037] Figure 3 In this embodiment: the spring 15 can cooperate with the telescopic rod 14 to limit the position of the fixed plate 16, the groove 8 can limit the position of the wire, and the limiting strip can cooperate with the groove 8 to limit different wires.

[0038] Specifically, as shown in FIG. 7, the top of the test table 3 is provided with the fixed groove, and the size of the fixed groove is matched with the size of the fixed plate 16.

[0039] Specifically, as shown in FIG. 7, the top of the test table 3 is provided with the fixed groove, and the size of the fixed groove is matched with the size of the fixed plate 16. Figure 3 Specifically, as shown in FIG. 7, the top of the test table 3 is provided with the fixed groove, and the size of the fixed groove is matched with the size of the fixed plate 16.

[0040] Figure 4 Specifically, as shown in FIG. 7, the top of the test table 3 is provided with the fixed groove, and the size of the fixed groove is matched with the size of the fixed plate 16.

[0041] ​​​In the embodiment: by setting the fixed groove can make the fixed plate 16 can more stable to line limiting, by setting the test groove 9 can make the test head 13 can continue to go up and down to line bending fatigue test, by setting the counter 7 can record the number of bending, convenient for the user to calculate the fatigue test results of wire.

[0042] Working principle: when the user needs to line bending fatigue test, first, the two ends of the wire are fixed on the limiting seat 18 respectively, then the position of limiting seat 18 is limited by the tension of tension spring 19, then the user controls the hydraulic cylinder 11 to work through PLC controller 4, the hydraulic cylinder 11 drives the mounting plate 12 to move downward, when the test head 13 contacts the wire, the wire can be bent and fatigue tested, at this time, the telescopic rod 14 and spring 15 cooperate to make the fixed plate 16 stable wire, ensure the position of the wire in the test process, and the support column 61 and the stabilizing plate 62 in the stabilizing mechanism 6 ensure the overall stability of the device, then when the test process, the user can insert the protective baffle 21 into the inner wall of the clamping groove 23, after completion, the user installs the threaded rod 24 to the inner wall of the threaded hole 25, the protective baffle 21 can protect the user, and the test situation is observed through the observation window 22, the counter 7 records the number of bending, after the test, the hydraulic cylinder 11 is closed, and the tested wire can be taken out.

[0043] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wire bending fatigue test fixed protection structure, comprising a test table (3), characterized in that: The top of the test table (3) is fixedly connected with a stabilizing mechanism (6), the top of the stabilizing mechanism (6) is fixedly connected with a top plate (5), the top of the top plate (5) is fixedly connected with a test mechanism (1), and the top of the test table (3) is fixedly connected with a protection mechanism (2). The test mechanism (1) comprises a hydraulic cylinder (11), a mounting plate (12), a test head (13), a telescopic rod (14), a fixed plate (16), a sliding rod (17), a limiting seat (18) and a tension spring (19), the top of the top plate (5) is fixedly connected with the hydraulic cylinder (11), the output end of the hydraulic cylinder (11) is fixedly connected with the mounting plate (12), the bottom of the mounting plate (12) is fixedly connected with the test head (13), the bottoms of the two sides of the mounting plate (12) are fixedly connected with the telescopic rod (14), the telescopic end of the telescopic rod (14) is fixedly connected with the fixed plate (16), the inner walls of the two sides of the test table (3) are both provided with a sliding groove, the inner wall of the sliding groove is fixedly connected with the sliding rod (17), the surface of the sliding rod (17) is sleeved with the tension spring (19), and the surface of the sliding rod (17) is slidably connected with the limiting seat (18).

2. The wire bending fatigue test fixture guard of claim 1, wherein: The protection mechanism (2) comprises a protection baffle (21), an observation window (22), a clamping groove (23), a threaded rod (24) and a threaded hole (25), the inner wall of the test table (3) is provided with the clamping groove (23), the inner wall of the clamping groove (23) is clamped with the protection baffle (21), the inner wall of the protection baffle (21) is fixedly connected with the observation window (22), the inner walls of the protection baffle (21) and the test table (3) are provided with the threaded hole (25), and the inner wall of the threaded hole (25) is threadedly connected with the threaded rod (24).

3. The wire bending fatigue test fixture of claim 1, wherein: The stabilizing mechanism (6) comprises a supporting column (61), a stabilizing plate (62) and a limiting groove (63), the supporting column (61) is fixedly connected between the top plate (5) and the test table (3), the surface of the output end of the hydraulic cylinder (11) is fixedly connected with the stabilizing plate (62), and the inner wall of the stabilizing plate (62) is provided with the limiting groove (63).

4. The wire bending fatigue test fixture guard of claim 3, wherein: The inner walls of the two sides of the stabilizing plate (62) are slidably connected with the surface of the supporting column (61), and the front side of the test table (3) is fixedly connected with a PLC controller (4).

5. The wire bending fatigue test fixture of claim 1, wherein: The surface of the telescopic rod (14) is sleeved with a spring (15), one end of the tension spring (19) is fixedly connected with the inner wall of the sliding groove, and the other end of the tension spring (19) is fixedly connected with the left side of the limiting seat (18).

6. The wire bending fatigue test fixture of claim 1, wherein: The bottom of the fixed plate (16) is provided with a groove (8), and the top of the test table (3) is fixedly connected with a limiting strip.

7. The wire bending fatigue test fixture of claim 1, wherein: The top of the test table (3) is provided with a fixing groove, and the size of the fixing groove is matched with the size of the fixed plate (16).

8. The wire bending fatigue test fixture guard of claim 4, wherein: The top of the top plate (5) is fixedly connected with a limiting frame, the hydraulic cylinder (11) is fixedly connected with the inner wall of the limiting frame, the top of the test table (3) is provided with a test groove (9), and the front side of the stabilizing plate (62) is fixedly connected with a counter (7).

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