Tensile property testing device for wires and cables

Abstract

The utility model discloses a wire and cable tensile property testing device, which relates to the technical field of cable testing and comprises a fixing mechanism, a cable roll positioning mechanism is fixedly arranged on one side of the upper end of the fixing mechanism, and a tension testing mechanism for stretching and fixing is fixed on one side of the fixing mechanism. The cable tensile test device solves the problems that the existing cable tensile test device needs to fix a cable coil, and the winding effect can be influenced due to the fact that the thickness of cables is different and the radius of a winding gear is not changed when tensile force is provided, and the cable tensile test device has the advantages that the fixing mechanism and the cable coil positioning mechanism are arranged in a matched mode; the lifting part is used for being inserted from the upper end of the sleeving ring to prevent a cable coil from being unhooked, the cable coil positioning mechanisms on the two sides are used for fixedly surrounding and fixing the cable coil from the two sides, and the tension testing mechanism is arranged and can move relative to the meshing wheel to be alternately meshed with the three sets of adjusting gears so as to meet the tensile requirements of cables with different thicknesses.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable test technical field, concretely is a kind of electric wire and cable tensile property testing device. BACKGROUND

[0002] Cable tensile test is a kind of test method for evaluating the strength and durability of cable under tensile force, and this test is crucial to ensure that cable can withstand the expected mechanical stress during installation, use and maintenance.

[0003] Nowadays, cable tensile test device needs to test cable coil, and the cable winding needs to be fixed during tensile test to prevent the influence of tensile force during test. Meanwhile, due to the difference in thickness of cable, the winding gear radius is constant when providing tensile force, which will affect the winding effect.

[0004] In view of the above problems, a kind of electric wire and cable tensile property testing device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electric wire and cable tensile property testing device, solve the problem that the cable tensile test device nowadays in background art needs to test cable coil, and the cable winding needs to be fixed during tensile test to prevent the influence of tensile force during test. Meanwhile, due to the difference in thickness of cable, the winding gear radius is constant when providing tensile force, which will affect the winding effect.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of electric wire and cable tensile property testing device, including fixed mechanism, the upper end one side of fixed mechanism is fixedly arranged with cable coil positioning mechanism, the side of fixed mechanism is fixed with the tensile test mechanism for stretching fixation, the fixed mechanism includes bottom plate, the sleeve joint ring fixedly arranged in the one side of bottom plate, the upper end of sleeve joint ring is correspondingly inserted with lifting piece, the cable coil positioning mechanism is provided with two groups, the cable coil positioning mechanism includes two groups of clamping pieces that are mutually engaged, the side of clamping piece is connected with rotary cylinder, the tensile test mechanism includes locking frame, the locking frame is rotatably sleeved with lower pressing ring, the upper end of lower pressing ring is provided with the upper pressing ring that can be lifted, the locking frame is provided with two groups of interfaces, one side of one group of lower pressing ring is inserted with movable opposite engagement wheel, the side of upper pressing ring is parallelly sleeved with three groups of radius different adjusting gears, one end of opposite engagement wheel is connected with stretching motor.

[0007] Preferably, the fixed mechanism further includes a support member fixedly arranged at the upper end of the bottom plate, and a support column fixedly arranged at one side of the support member.

[0008] Preferably, the upper end of the sleeve ring is fixedly provided with a sleeve rod, both sides of the lifting member are inserted with two groups of guide rods, and the output end of the lifting member is connected with an inserted rod.

[0009] Preferably, the cable roll positioning mechanism comprises a rotating block rotatably inserted on one side of the support, the rotating cylinder is rotatably connected to the output end of the rotating cylinder, and one of the two groups of clamping members is rotatably connected to the output end of the rotating cylinder.

[0010] Preferably, one end of the clamping member is provided as an engaging member, and a clamping column is rotatably connected to one end of the clamping member.

[0011] Preferably, the tension test mechanism further comprises a reversing rod rotatably arranged at the side end of the locking frame, the upper end of the locking frame is fixedly provided with an adjusting cylinder, the upper pressing ring is arranged at the lifting end of the adjusting cylinder, and the locking frame is provided with a clamping opening for slidingly clamping the upper pressing ring.

[0012] Preferably, the inner pressing groove is arranged in the inner circle of the lower pressing ring of the connecting stretching motor, and the outer pressing groove is arranged in the outer circle of the upper pressing ring corresponding to the upper and lower positions of the inner pressing groove.

[0013] Preferably, the relative engaging wheel is horizontally movable and is engaged with three groups of adjusting gears, respectively.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The wire and cable tensile performance testing device provided by the utility model is fixed and positioned by the cooperation of the fixing mechanism and the cable roll positioning mechanism, the sleeve ring is used for sleeving the cable roll, the lifting member is used for preventing the cable roll from being unhooked from the upper end of the sleeve ring, and the cable roll positioning mechanisms on both sides are used for fixing the cable roll by embracing from both sides. The cooperation of the fixing mechanism and the cable roll positioning mechanism realizes the fixation of the cable roll, solves the problem that the existing cable tensile testing device needs to test the cable roll and fix the cable winding during tensile testing to prevent the cable from being affected by the tension during testing.

[0016] 2. The wire and cable tensile performance testing device provided by the utility model is provided with the tension test mechanism, two locking frames are connected to each other, the lower pressing ring and the upper pressing ring on the side close to the cable roll positioning mechanism are used for pressure bonding the side of the cable to be tested, the locking frame on the side far from the cable roll positioning mechanism is connected with an adjusting gear, a relative engaging wheel and a stretching motor, the relative engaging wheel is movable and is alternately engaged with three groups of adjusting gears, so as to adapt to the tensile needs of cables of different thicknesses, and solve the problem that the existing cable tensile testing device cannot change the winding gear radius when providing tension due to the different thicknesses of the cables, which affects the winding effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The utility model discloses a whole structure schematic view.

[0018] Figure 2 The utility model discloses a fixed mechanism structure schematic view.

[0019] Figure 3 The utility model discloses a fixed mechanism and cable roll positioning mechanism structure schematic view.

[0020] Figure 4 The utility model discloses a tension test mechanism structure schematic view.

[0021] In the drawing: 1, fixed mechanism;11, bottom plate;12, support piece;13, sleeve joint ring;131, sleeve rod;14, support column;15, lifting piece;151, guide rod;152, insert rod;2, cable roll positioning mechanism;21, rotary block;22, rotary cylinder;23, clamping piece;231, engagement piece;232, clamping column;3, tension test mechanism;31, locking frame;311, bayonet;32, reversing rod;33, lower pressing ring;331, inner pressure groove;34, adjusting cylinder;35, upper pressing ring;351, outer pressure groove;36, adjusting gear;37, relative engagement wheel;38, stretching motor. DETAILED DESCRIPTION

[0022] 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 the other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0023] In order to further understand the content of the utility model, the utility model will be described in detail with reference to the drawings.

[0024] Combined Figure 1The utility model discloses a kind of electric wire cable tensile property testing devices, including fixed mechanism 1, the upper end one side of fixed mechanism 1 is fixedly provided with cable roll positioning mechanism 2, the one side of fixed mechanism 1 is fixed with the tensile test mechanism 3 for stretching fixed, fixed mechanism 1 includes bottom plate 11, sleeve joint ring 13 fixedly set in the one side of bottom plate 11, the upper end of sleeve joint ring 13 is inserted with lifting piece 15, cable roll positioning mechanism 2 is provided with two groups, cable roll positioning mechanism 2 includes two groups of clamping pieces 23 that are mutually engaged, the one side of clamping piece 23 is connected with rotating cylinder 22, tensile test mechanism 3 includes locking frame 31, locking frame 31 is rotatably sleeved with down pressure ring 33, the upper end of down pressure ring 33 is provided with liftable upper pressure ring 35, locking frame 31 is provided with two groups of relative engagement wheel 37 that are inserted with the one side of one group of down pressure ring 33 and can move, three groups of radius different adjusting gears 36 are parallelly sleeved on the one side of upper pressure ring 35, one end of relative engagement wheel 37 is connected with stretching motor 38.

[0025] Specifically, bottom plate 11 is fixedly provided, sleeve joint ring 13 is used for sleeving cable roll, lifting piece 15 is used for being inserted from the upper end of sleeve joint ring 13 to prevent cable roll from unhooking, the setting of two-side cable roll positioning mechanism 2 is used for fixing from two sides to embrace cable roll, the cooperation of fixed mechanism 1 and cable roll positioning mechanism 2 realizes the fixing of cable roll, two groups of locking frame 31 are connected with each other, and the down pressure ring 33 and upper pressure ring 35 on the side close to cable roll positioning mechanism 2 are cooperated to press the side of the cable to be tested, and the locking frame 31 on the side far from cable roll positioning mechanism 2 is connected with adjusting gear 36, relative engagement wheel 37 and stretching motor 38, and relative engagement wheel 37 can be moved to be alternately engaged with three groups of adjusting gears 36, to adapt to the tensile needs of cables of different thicknesses.

[0026] The utility model will be further described in connection with examples.

[0027] Example one:

[0028] In combination Figure 2 And Figure 3 Fixed mechanism 1 further includes support 12 fixedly set on the upper end of bottom plate 11, support column 14 fixedly set on the one side of support 12, support 12 and support column 14 are fixedly set with each other, to realize the support and fixing of cable roll positioning mechanism 2 and lifting piece 15.

[0029] The upper end of sleeve joint ring 13 is fixedly provided with sleeve rod 131, two groups of guide rods 151 are inserted on the two sides of lifting piece 15, and the output end of lifting piece 15 is connected with insertion rod 152, guide rod 151 realizes the lifting guide of insertion rod 152, and insertion rod 152 is used for being inserted into sleeve rod 131 to be positioned and fixed.

[0030] The cable roll positioning mechanism 2 comprises a rotating block 21 rotatably connected to one side of the support 12, a rotating cylinder 22 fixed to one side of the rotating block 21, one of the two groups of clamping members 23 rotatably connected to the output end of the rotating cylinder 22, the rotating block 21 fixed to the rotating cylinder 22, the rotating cylinder 22 driving the clamping members 23 to rotate in an extension and retraction mode, and the rotating block 21 rotating synchronously with the rotating cylinder 22.

[0031] One end of the clamping member 23 is provided with a meshing member 231, and a clamping column 232 is rotatably connected to one end of the clamping member 23, the mutual meshing of the meshing members 231 achieves the reverse rotation of the two groups of clamping members 23, the clamping column 232 is used for extruding and fixing the cable roll, and the clamping column 232 is used for extruding and fixing the cable roll.

[0032] Embodiment two:

[0033] Combined Figure 4 The tension test mechanism 3 further comprises a reversing rod 32 rotatably arranged at the side end of the locking frame 31, the upper end of the locking frame 31 is fixedly provided with an adjusting cylinder 34, an upper pressing ring 35 is arranged at the lifting end of the adjusting cylinder 34, the locking frame 31 is provided with a clamping opening 311 for slidingly clamping the upper pressing ring 35, the reversing rod 32 is arranged at the side of the lower pressing ring 33 and the upper pressing ring 35, the cable is reversed, the cable is inserted into the contact end of the lower pressing ring 33 and the upper pressing ring 35, and the adjusting cylinder 34 drives the upper pressing ring 35 to ascend and descend along the clamping opening 311 for fixation.

[0034] The inner pressing groove 331 is arranged in the inner circle of the lower pressing ring 33 arranged with the stretching motor 38, the outer pressing groove 351 is arranged in the outer circle of the upper pressing ring 35 corresponding to the upper and lower positions of the inner pressing groove 331, the inner pressing groove 331 and the outer pressing groove 351 are arranged to increase the friction force, and the stretching cable is facilitated.

[0035] The relative meshing wheel 37 is horizontally movable and is in meshing connection with the three groups of adjusting gears 36, respectively, the relative meshing wheel 37 is arranged in a plug-in mode, and the transmission device is adjusted according to the thickness of the cable.

[0036] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for testing the tensile strength of an electric cable, comprising a fixing mechanism (1), characterised in that: The upper end of the fixing mechanism (1) is fixedly provided with a cable roll positioning mechanism (2), and one side of the fixing mechanism (1) is fixedly provided with a tension test mechanism (3) for tension fixation. The fixing mechanism (1) comprises a bottom plate (11), a sleeve joint ring (13) fixedly arranged on one side of the bottom plate (11), and a lifting piece (15) correspondingly inserted into the upper end of the sleeve joint ring (13). The cable roll positioning mechanism (2) comprises two groups of clamping pieces (23) arranged in intermeshing mode. One side of the clamping piece (23) is connected with a rotating air cylinder (22). The tension test mechanism (3) comprises a locking frame (31), a pressing ring (33) rotatably sleeved on the locking frame (31), and a lifting pressing ring (35) arranged on the upper end of the pressing ring (33). The locking frame (31) is provided with two groups of abutting locking frames. One side of one group of the pressing ring (33) is inserted with a movable opposite meshing wheel (37). One side of the lifting pressing ring (35) is parallelly sleeved with three groups of adjusting gears (36) with different radii. One end of the opposite meshing wheel (37) is connected with a tension motor (38).

2. The electrical wire and cable tensile property testing device of claim 1, wherein: The fixing mechanism (1) further comprises a supporting piece (12) fixedly arranged on the upper end of the bottom plate (11) and a supporting column (14) fixedly arranged on one side of the supporting piece (12).

3. The electrical wire and cable tensile property testing apparatus of claim 1, wherein: The upper end of the sleeve joint ring (13) is fixedly provided with a sleeve rod (131). Two groups of guide rods (151) are inserted into two sides of the lifting piece (15). The output end of the lifting piece (15) is connected with an insertion rod (152).

4. The electrical wire and cable tensile property testing apparatus of claim 2, wherein: The cable roll positioning mechanism (2) comprises a rotating block (21) rotatably inserted into one side of the supporting piece (12). The rotating air cylinder (22) is fixedly inserted into one side of the rotating block (21). One group of the clamping pieces (23) is rotatably connected with the output end of the rotating air cylinder (22).

5. The electrical wire and cable tensile property testing apparatus of claim 1, wherein: One end of the clamping piece (23) is arranged as a meshing piece (231). One end of the clamping piece (23) is rotatably connected with a clamping column (232).

6. The electrical wire and cable tensile property testing apparatus of claim 1, wherein: The tension test mechanism (3) further comprises a reversing rod (32) rotatably arranged on the side end of the locking frame (31). The upper end of the locking frame (31) is fixedly provided with an adjusting air cylinder (34). The lifting pressing ring (35) is arranged on the lifting end of the adjusting air cylinder (34). The locking frame (31) is provided with a bayonet (311) for slidingly clamping the lifting pressing ring (35).

7. The electrical wire and cable tensile property testing apparatus of claim 1, wherein: The inner ring of the pressing ring (33) is provided with an inner pressing groove (331). The outer ring of the lifting pressing ring (35) is provided with an outer pressing groove (351) corresponding to the inner pressing groove (331).

8. The electrical wire and cable tensile property testing apparatus of claim 1, wherein: The opposite meshing wheel (37) is horizontally movable and is respectively meshed with the three groups of adjusting gears (36).

Images