Stay wire encoder fatigue test device

Abstract

The utility model discloses a fatigue testing device for a stay wire encoder. The fatigue testing device comprises a testing base, the plurality of winding wheel modules are coaxially arranged above the test base; the plurality of product fixing modules are respectively arranged on two sides of the winding wheel module in a staggered manner, and an encoder to be tested is fixed above the product fixing modules; and the driving module is connected with the winding wheel module, and the driving module is used for driving the winding wheel module to rotate. According to the utility model, the requirement of fatigue test on a plurality of products at the same time can be met, the test space is saved through the cooperation between the winding wheel and the products, and the fatigue test efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pull -in line encoder, concretely relates to a kind of pull -in line encoder fatigue testing device. BACKGROUND

[0002] Pull-in line encoder is a kind of commonly used measurement and control equipment, is widely used in industrial automation etc. field.For guaranteeing the life of pull-in line encoder, product design is fixed after, the pull-in line, internal coil spring, shell etc. of pull-in line encoder mechanical structure need to be carried out fatigue test, guarantee product can satisfy use demand.The fatigue testing device of current pull-in line encoder can only fatigue test single pull-in line encoder, and for the pull-in line encoder of batch production, in carrying out test one by one, it will greatly affect the efficiency of test. UTILITY MODEL CONTENTS

[0003] The utility model is to solve the above problems, and the utility model provides a kind of pull-in line encoder fatigue testing device.

[0004] The utility model discloses a kind of pull-in line encoder fatigue testing device, including test base;

[0005] The utility model discloses a kind of pull-in line encoder fatigue testing device, including test base;

[0006] The utility model discloses a kind of pull-in line encoder fatigue testing device, including test base;

[0007] A plurality of product fixed modules are respectively staggered and arranged on both sides of the winding wheel module, and the encoder to be tested is fixed above the product fixed module;

[0008] The utility model discloses a kind of pull-in line encoder fatigue testing device, including test base;

[0009] As a further description of the above technical solution, the driving module is connected with the control module, and the control module is used to realize the regulation and control of the driving module.

[0010] As a further description of the above technical solution, the winding wheel module includes a plurality of winding wheels, a clamping groove is arranged at the circumferential edge of each winding wheel, and the clamping groove is used to fix the pull-in line.

[0011] A baffle is arranged between adjacent winding wheels.

[0012] As a further description of the above technical solution, the product fixed module includes two fixed plates arranged on the opposite side of the winding wheel module, the fixed plates are different in height, and the encoders to be tested fixed on the fixed plates correspond to the positions of the plurality of winding wheels respectively.

[0013] As a further description of the above technical solutions, the driving module comprises a driving motor, the driving motor is fixed on the support plate, a driving shaft of the driving motor extends into the axial direction of the plurality of winding wheels, and the driving motor is used to drive the winding wheels to rotate.

[0014] As a further description of the above technical solutions, the pulling wires fixed on the surfaces of the winding wheels are respectively located at opposite positions of the circumferential surfaces of the winding wheels.

[0015] As a further description of the above technical solutions, the test base comprises a bottom plate, a handle and a motor long shaft positioning block are fixed on the surface of the bottom plate

[0016] The utility model discloses the beneficial effects are as follows:

[0017] 1, the utility model discloses can realize the requirement of the fatigue test of multiple products simultaneously, through the cooperation between winding wheel and product, saves the test space, can effectively improve the efficiency of fatigue test.

[0018] 2, the utility model discloses can realize the fatigue reliability test of 1~4 products simultaneously without manning, and still can through increasing winding wheel flexible extension test product's quantity.

[0019] In order to more clearly set forth the structural features and effects of the utility model, the utility model will be described in detail below by combining with the drawings and specific embodiments. DRAWINGS

[0020] Fig. 1 It is the perspective view of the fatigue test device of the utility model;

[0021] Fig. 2 It is the top view of the fatigue test device of the utility model;

[0022] Fig. 3 It is the front view of the fatigue test device of the utility model.

[0023] Reference signs: 1, test base;101, bottom plate;102, motor long shaft positioning block;2, winding wheel module;201, winding wheel;202, clamping groove;203, baffle;3, product fixed module;301, fixed plate;4, to be measured encoder;5, driving module;501, driving motor;502, support plate;503, driving shaft. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below by combining with the drawings in the utility model embodiment.

[0025] As Figs. 1-3As shown, in one embodiment, a pull wire encoder fatigue test device includes a test base 1, a winding wheel module 2, a driving module 5, a control module, and a product fixing module 3.

[0026] The winding wheel module 2 is coaxially arranged above the test base 1.

[0027] A plurality of product fixing modules 3 are arranged alternately on both sides of the winding wheel module 2, and a to-be-tested encoder 4 is fixed above each product fixing module 3.

[0028] One end of the winding wheel module 2 is connected to the driving module 5, the driving module 5 can drive the winding wheel module 2 to rotate, the driving module 5 is connected to the control module, the control module can be a controller, the driving module 5 includes a three-phase motor, the controller can control the rotation speed and the forward and reverse rotation of the three-phase motor, when the three-phase motor rotates forward, the three-phase motor stops after a certain number of rotations, and then reverses to send the wire to the to-be-tested encoder 4 to rewind the wire, so as to realize the fatigue test of the pull wire encoder.

[0029] Meanwhile, the winding wheel module 2 includes a plurality of winding wheels 201, which can meet the requirement of simultaneously testing a plurality of to-be-tested encoders 4, and can effectively improve the test efficiency.

[0030] Optionally, a clamping groove 202 is arranged at the edge of each winding wheel 201, the clamping groove 202 is used to fix the pull wire, and the to-be-tested encoders 4 are arranged alternately with different heights on the left and right sides of the winding wheel 201, which can effectively save space and balance a part of force, thereby reducing the motor load and the deformation of the long shaft. Specifically, the product fixing module 3 includes two fixing plates 301 arranged on the opposite sides of the winding wheel module 2, and the heights of the two fixing plates 301 are different, so as to realize the arrangement mode of one above the other and one left of the other. The to-be-tested encoders 4 are fixed to the fixing plate 301 at the bottom by a positioning pin shaft and a fixing screw.

[0031] Optionally, a plurality of winding wheels 201 are arranged, and in some embodiments, four winding wheels 201 are arranged, the winding wheels 201 are separated by a baffle 203, and when a to-be-tested encoder 4 in the winding wheels 201 breaks or the coil spring fails during the fatigue test, the adjacent to-be-tested encoders 4 will not be affected. Meanwhile, the test space can be reduced by the winding wheels 201, and the relative distance between the to-be-tested encoders 4 and the winding wheels 201 keeps the pull wire uniform and not scattered when the pull wire is wound on the winding wheels 201 and the encoders.

[0032] Optionally, the driving module 5 comprises a driving motor 501 fixed on a support plate 502, a driving shaft 503 of the driving motor 501 extending into the axial direction of the plurality of winding wheels 201, and the driving motor 501 is used to drive the winding wheels 201 to rotate.

[0033] Optionally, the test base 1 comprises a bottom plate 101 at the bottom, which is a large aluminum block. In some embodiments, two sets of handles can be arranged on the bottom plate 101 to facilitate the movement of the entire fatigue test device. In some embodiments, a movable wheel (not shown in the figure) and a locking mechanism (not shown in the figure) can also be added at the bottom of the test base 1, so that the entire test device can be easily moved to any desired place, and the locking mechanism can be used to stabilize the position during testing.

[0034] The above description of disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wire encoder fatigue testing apparatus, characterized by, The utility model relates to a kind of encoder testing device, including test base; Coaxially set up in the upper of the test base; Multiple product fixing modules are respectively staggered in the two sides of the winding wheel module, and the encoder to be measured is fixed in the upper of the product fixing module; The drive module is connected with the winding wheel module, and the drive module is used to drive the rotation of the winding wheel module.

2. The pull wire encoder fatigue testing device of claim 1, wherein, The drive module is connected with the control module, and the control module is used to realize the regulation and control of the drive module.

3. The pull wire encoder fatigue testing device of claim 1, wherein, The winding wheel module includes multiple winding wheels, and a clamping groove is arranged at the circumferential edge of each winding wheel for fixing the pull wire; Adjacent winding wheels are provided with baffles.

4. The stay wire encoder fatigue testing apparatus of claim 3, wherein, The product fixing module includes two fixing plates arranged on the opposite side of the winding wheel module, and the fixing plates are different in height, and the encoder to be measured fixed on the fixing plate corresponds to the position of multiple winding wheels.

5. The stay wire encoder fatigue testing apparatus of claim 3, wherein, The drive module includes a drive motor fixed on a support plate, and the drive shaft of the drive motor extends into the axial direction of multiple winding wheels, and the drive motor is used to drive the rotation of the winding wheel.

6. The stay wire encoder fatigue testing apparatus of claim 3, wherein, The pull wires fixed on the surface of the winding wheel are respectively located on the opposite side of the circumferential surface of the winding wheel.

7. The stay wire encoder fatigue testing device of claim 1, wherein, The test base includes a bottom plate, and a handle and a motor long shaft positioning block are fixed on the surface of the bottom plate.

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