Roller pressure distribution tester

Abstract

The utility model discloses a roller pressure distribution tester which comprises a base, a vertical frame is arranged on the upper side of the base, first sliding blocks are arranged on the side wall of the vertical frame through a first lead screw, a testing frame is rotationally arranged between the two first sliding blocks through a rotating shaft, and one end of the rotating shaft is in transmission connection with a motor through a gear set. According to the utility model, the test block is arranged on the test frame through the second slide block and the second lead screw, so that the test block is driven by the second lead screw to transversely move and adjust outside the roller, and the use position of the test block can be adjusted; therefore, pressure testing can be carried out on different positions outside the roller, adjustment is convenient and fast, and the efficiency of roller pressure distribution testing can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roller pressure test, concretely is roller pressure distribution tester. BACKGROUND

[0002] Fatigue failure is one of the main forms of ladder roller and ladder chain roller failure, and the effective method for preventing fatigue failure at present is mainly to carry out fatigue test, estimate the fatigue life of the roller, and determine the service life of the corresponding roller. The working principle of the existing test device is roughly as follows: the roller to be tested is installed below the lever, and a weight is placed on the lever, so that the lever tightly presses the roller to be tested on the roller, the roller is started to rotate and timing is started, and when the roller wears to the set state, the timing is stopped.

[0003] In the prior art, the application number of the escalator roller fatigue test bench is 202420624966.1, which comprises a workbench, a roller is arranged on the top surface of the workbench and rotates horizontally, a plurality of sliding seats are arranged on the two sides of the roller along the radial direction of the roller and slide horizontally, the sliding seat is detachably connected with the roller which is in rolling connection with the roller, an adjusting piece is arranged between the sliding seat and the workbench for adjusting the position of the sliding seat, and the adjusting piece is in elastic connection with the sliding seat. The utility model controls the movement of the sliding seat through the adjusting piece, so that the roller is tightly attached to the roller, the pressure between the two is adjusted, the rotation of the roller is controlled, the wear state and time of the roller are recorded, and the fatigue test of the roller is completed. The pressure of the sliding seat on the roller is consistent with the horizontal radial direction of the roller, which can reduce the interference of the pressure control of the roller and improve the precision of the wear test of the roller. The adjusting piece and the sliding seat are in elastic connection, the roller and the roller are always tightly attached through the elastic force, and the precision of the wear test of the roller is further improved. However, the use position of the test block cannot be adjusted, it is difficult to test the pressure of different positions outside the roller, and the efficiency of the roller pressure distribution test is affected. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a roller pressure distribution tester to solve the problem that the use position of the test block cannot be adjusted in the prior art, it is difficult to test the pressure of different positions outside the roller, and the efficiency of the roller pressure distribution test is affected.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a roller pressure distribution tester, comprising a base, a stand is arranged on the upper side of the base, a first sliding block is arranged on the side wall of the stand through a first lead screw, two first sliding blocks are rotatably arranged through a rotating shaft, a motor is connected with the rotating shaft through a gear set at one end of the rotating shaft, a second sliding block is arranged on the upper side of the test frame through a second lead screw, and a pressure sensor and a test block are arranged on the upper side of the second sliding block.

[0006] Further, the first lead screw is a Z-axis lead screw, and two groups of the first lead screw are arranged in parallel.

[0007] Further, the stand is an H-shaped support, and a PLC control cabinet is arranged outside the stand.

[0008] Further, the test block is provided with a test groove on the upper side, and the test groove is an arc-shaped groove.

[0009] Further, the test groove is provided with a plurality of rollers through support frames outside the test groove, and the rollers are arranged at equal angles.

[0010] Further, the motor is a stepping motor, and the motor is fixedly arranged on the outer wall of the first sliding block through a machine base.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The test block is arranged on the test frame through the second sliding block and the second lead screw, the test block is adjusted in the transverse direction outside the roller through the driving of the second lead screw, the use position of the test block can be adjusted, the pressure test of different positions outside the roller can be performed, the adjustment is convenient and fast, and the efficiency of the roller pressure distribution test is improved.

[0013] The stand is provided with the first sliding block through the first lead screw, the test frame is rotatably arranged between the two first sliding blocks through the rotating shaft, and two groups of the first lead screw are arranged in parallel, so that the test frame can be driven to adjust the height through the first lead screw, and the pressure test of the roller with different heights can be performed.

[0014] The test frame is rotatably arranged between the two first sliding blocks through the rotating shaft, the motor is drivingly connected to the rotating shaft through the gear set at one end of the rotating shaft, the rotating shaft is driven to rotate in the forward and reverse directions through the motor and the gear set, the test frame and the test block can be adjusted in the inclined direction, the roller outside the test frame can be detected at different angles, and the flexibility of the detection is improved.

[0015] The test block is provided with the test groove on the upper side, and the test groove is an arc-shaped groove, the roller is arranged outside the test groove through the support frame, the friction between the test groove and the roller outside the test groove can be reduced, and the accuracy of the roller pressure detection is improved. DETAILED DESCRIPTION

[0016] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0017] Figure 1 It is the first perspective structure schematic view of the utility model;

[0018] Figure 2 It is the second view angle structure schematic view of the utility model.

[0019] Figure 3 It is the test block structure schematic view of the utility model.

[0020] In the drawing: 1, base; 2, stand; 3, first screw; 4, first sliding block; 5, rotating shaft; 6, test stand; 7, second screw; 8, second sliding block; 9, pressure sensor; 10, test block; 11, PLC control cabinet; 12, gear set; 13, motor; 14, test groove; 15, support frame; 16, roller. DETAILED DESCRIPTION

[0021] 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, not 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.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 In the embodiments of the utility model, the roller pressure distribution tester includes a base 1, the upper side of the base 1 is provided with a stand 2, the stand 2 is an H-shaped support, and the outer side of the stand 2 is provided with a PLC control cabinet 11, and the side wall of the stand 2 is provided with a first sliding block 4 through a first screw 3, and the test stand 6 is rotatably arranged between the two first sliding blocks 4 through a rotating shaft 5, the first screw 3 is a Z-axis screw, and two groups of first screws 3 are arranged in parallel, so that the test stand 6 can be driven to rise and fall by the first screw 3 for adjustment, thereby meeting the pressure test processing of rollers of different heights.

[0023] As shown in Figure 1 and Figure 2 , in order to detect different angles outside the roller, a motor 13 is further connected through a gear set 12 at one end of the rotating shaft 5, the motor 13 is a stepper motor, and the motor 13 is fixedly arranged on the outer wall of the first sliding block 4 through a machine base, so that the rotating shaft 5 can be driven to rotate in forward and reverse directions by the motor 13 and the gear set 12 for adjustment, thereby being capable of adjusting the test stand 6 and the test block 10, and further capable of detecting different angles outside the roller, improving the flexibility of detection use.

[0024] As shown in Figure 1 and Figure 3As shown, in order to test the pressure of different positions outside the roller, a second sliding block 8 is arranged on the upper side of the test frame 6 through a second lead screw 7, the second lead screw 7 is an X-axis lead screw, a pressure sensor 9 and a test block 10 are arranged on the upper side of the second sliding block 8, so that the test block 10 is driven to move transversely outside the roller through the second lead screw 7, thereby being capable of testing the pressure of different positions outside the roller, and being beneficial to improving the efficiency of the roller pressure distribution test.

[0025] As shown in Figure 1 and Figure 3 As shown, in order to reduce the friction between the test groove 14 and the outside of the roller, a test groove 14 is arranged on the upper side of the test block 10, and the test groove 14 is an arc-shaped groove, a plurality of roller wheels 16 are arranged on the outer side of the test groove 14 through a support frame 15, and the roller wheels 16 are arranged at equal angles, so that the friction between the test groove 14 and the outside of the roller can be reduced, and the accuracy during the roller rolling pressure detection can be improved.

[0026] The working principle and use process of the utility model are as follows: when in use, the test block 10 is arranged on one side of the roller to be detected, the test block 10 is driven to move transversely outside the roller through the second lead screw 7, thereby being capable of testing the pressure of different positions outside the roller, the test value is transmitted to the PLC control cabinet 11 through the pressure sensor 9, is read out in real time through the display screen, and is adjusted conveniently and quickly, which is beneficial to improving the efficiency of the roller pressure distribution test.

[0027] Finally, it should be noted that: the above only for preferred embodiments of the utility model have been described, and are not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part of technical features. Any modification, equivalent replacement, improvement, etc. that is made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A roller pressure distribution tester comprising a base (1), characterised in that: The base (1) upper side is equipped with a stand (2), and the stand (2) side wall is equipped with a first sliding block (4) through a first lead screw (3), two first sliding blocks (4) are rotatably equipped with a test rack (6) through an axis (5), one end of the axis (5) is drivenly connected with a motor (13) through a gear set (12), the test rack (6) upper side is equipped with a second sliding block (8) through a second lead screw (7), the second sliding block (8) upper side is equipped with a pressure sensor (9) and a test block (10).

2. The roller pressure distribution tester of claim 1, wherein: The first lead screw (3) is a Z-axis lead screw, and two groups of first lead screws (3) are arranged in parallel, and the second lead screw (7) is an X-axis lead screw.

3. The roller pressure distribution tester of claim 1, wherein: The stand (2) is an H-shaped support, and the stand (2) is equipped with a PLC control cabinet (11) outside.

4. The roller pressure distribution tester of claim 1, wherein: The test block (10) upper side is equipped with a test groove (14), and the test groove (14) is an arc groove.

5. The roller pressure distribution tester of claim 4, wherein: The test groove (14) outside is equipped with a plurality of roller wheels (16) through a support frame (15), and the roller wheels (16) are arranged at equal angles.

6. The roller pressure distribution tester of claim 1, wherein: The motor (13) is a stepping motor, and the motor (13) is fixedly arranged on the outer wall of the first sliding block (4) through a machine base.

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