Belt pulley bounce testing fixture

Abstract

The utility model discloses a belt pulley runout testing fixture, and particularly relates to the technical field of belt pulley runout, which comprises a workbench, a dial indicator detector for carrying out runout detection on a belt pulley is arranged at the top of the workbench, and a limiting mechanism for limiting the belt pulley is arranged at the top of the workbench. The limiting mechanism comprises a bottom plate arranged at the top of the workbench, supporting columns are arranged on the two sides of the top of the bottom plate, a first two-way threaded rod is movably connected into each supporting column through a bearing, the two ends of each first two-way threaded rod are in threaded connection with a limiting plate, and one side of each limiting plate penetrates through the corresponding supporting column and extends out of one side of the corresponding supporting column. A fixing frame is fixedly arranged on the side, away from the supporting column, of the limiting plate. The belt pulley can be driven to rotate through the rotating mechanism, bounce detection is carried out on different positions on the belt pulley, the belt pulleys with different diameters can be limited through the limiting mechanism, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of belt wheel runout, specifically relates to a belt wheel runout gauge. BACKGROUND

[0002] The existing belt wheel has runout size requirements at the position of the belt wheel and the belt contact surface relative to the bearing inner hole after each process such as stamping and spinning process, and the detection reference is the bearing center axis. When the runout size is measured conventionally, a runout measuring instrument is needed to complete the measurement.

[0003] For example, the high-precision belt wheel runout gauge provided in the Chinese patent application with the application number 202221183519.4 specifically relates to the field of belt wheel detection, and comprises a base, a machining plate installed on the upper end of the base, a testing device installed on one side of the upper end of the machining plate, and detection devices installed at both ends of the machining plate. The detection devices are composed of a rotating assembly and a protection assembly installed on one side of the rotating assembly. This technical solution is simple to install and has high stability. The protection assembly plays a protective effect on the outer side of the belt wheel while not affecting the detection data of the belt wheel through a simple fixing method. The belt wheel effectively avoids the problem of disengaging from the detection machine during the detection process through the protection of the protection assembly, thereby further improving the detection safety of the entire equipment.

[0004] However, the following problems still exist in this technical solution: In this technical solution, two butt-joint sponges are used to limit the belt wheel. In this device, the distance between the two butt-joint sponges is fixed and cannot be changed according to the diameter of the belt wheel, which leads to certain limitations in use. SUMMARY

[0005] The utility model aims at providing a belt wheel runout gauge, which can drive the belt wheel to rotate through a rotating mechanism, detect the runout of different positions on the belt wheel, and limit belt wheels of different diameters through a limiting mechanism, thereby expanding the practicality and solving the above-mentioned deficiencies in the art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a belt wheel runout gauge, comprising a workbench, a dial indicator detector for detecting the runout of the belt wheel is arranged on the top of the workbench, and a limiting mechanism for limiting the belt wheel is arranged on the top of the workbench.

[0007] Preferably, the limiting mechanism includes a bottom plate provided on the top of the workbench, both sides of the top of the bottom plate are provided with support columns, a first bidirectional threaded rod is movably connected in each support column through a bearing, both ends of the first bidirectional threaded rod are threadedly connected with a limiting plate, one side of the limiting plate penetrates through the support column and extends out of one side of the support column, a fixed frame is fixedly arranged on the side of the limiting plate away from the support column, the top end of the first bidirectional threaded rod penetrates through the support column and extends out of the top of the support column, and a handle is fixedly arranged on the top end of the first bidirectional threaded rod and used for limiting the belt pulley.

[0008] Preferably, a second bidirectional threaded rod is movably connected in the bottom plate through a bearing, fixed blocks are threadedly connected at both ends of the second bidirectional threaded rod, the top of each fixed block penetrates through the bottom plate and extends out of the top of the bottom plate, the bottom of the second bidirectional threaded rod on the same side of the top of the fixed block is fixedly connected with the second bidirectional threaded rod, the front end of the second bidirectional threaded rod penetrates through the bottom plate and extends out of the front side of the bottom plate, and a first motor is fixedly arranged on the front end of the second bidirectional threaded rod and used for limiting the belt pulley.

[0009] Preferably, a rotating mechanism for rotating the belt pulley is arranged on the top of the bottom plate, the rotating mechanism comprises a support rod arranged on the top of the bottom plate, the bottom end of the support rod is movably connected with the top of the bottom plate through a bearing, a square block is inserted into the support rod, a bottom disc is fixedly arranged on the top end of the square block, a first threaded rod is fixedly arranged on the top of the bottom disc, a fixed plate is threadedly connected with the outside of the first threaded rod, a spring is fixedly arranged on the bottom end of the square block, and the bottom of the spring is fixedly connected with the inside of the support rod.

[0010] Preferably, a rotating shaft is movably connected in the bottom plate through a bearing, the top end of the rotating shaft penetrates through the bottom plate and extends out of the top of the bottom plate, gears are arranged on the top end of the rotating shaft and the outside of the support rod, the two gears are meshed, and a second motor is fixedly arranged on the bottom end of the rotating shaft and used for rotating the support rod.

[0011] Preferably, a moving mechanism for moving the limiting mechanism is arranged in the workbench, the moving mechanism comprises a second threaded rod arranged in the workbench, a support block is threadedly connected with the outside of the second threaded rod, the top of the support block penetrates through the workbench and extends out of the top of the workbench, the top of the support block is fixedly connected with the bottom of the bottom plate, one end of the second threaded rod penetrates through the workbench and extends out of one side of the workbench, the second threaded rod is movably connected with the workbench through a bearing, and a third motor is fixedly arranged on the end of the second threaded rod away from the workbench and used for moving the limiting mechanism.

[0012] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0013] 1, the pulley is penetrated through the first threaded rod and placed on the top of the chassis, then the fixed plate is inserted at the top of the first threaded rod, the fixed plate is rotated, the fixed plate is rotated to the top of the pulley, the pulley is fixed, then the second motor is started, the second motor can drive the support rod to rotate, the support rod drives the pulley to rotate, so that the different positions of the pulley can be detected;

[0014] 2, start the first motor, the first motor can drive the second bidirectional threaded rod to rotate, the second bidirectional threaded rod drives the fixed block to move, the fixed block drives the bottom plate to move, then rotate the handle, the handle can drive the first bidirectional threaded rod, the first bidirectional threaded rod can drive the two fixed frames to move, the pulley is respectively inserted in the fixed frame, the pulley is limited, the utility model can limit the pulley of different diameters, and the practicality is expanded. SHEET DESCRIPTION

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 It is a structure schematic view of the utility model for use;

[0017] Figure 2 It is a rear view of the utility model;

[0018] Figure 3 It is a structure schematic view of the limiting mechanism of the utility model;

[0019] Figure 4 It is a structure schematic view of the rotating mechanism of the utility model;

[0020] Figure 5 It is a structure schematic view of the spring of the utility model;

[0021] Figure 6 It is a structure schematic view of the moving mechanism of the utility model.

[0022] EXPLANATION OF REFERENCE NUMERALS:

[0023] 1 workbench, 2 dial indicator detector;

[0024] 3 limiting mechanism, 301 bottom plate, 302 support column, 303 limiting plate, 304 fixed frame, 305 first bidirectional threaded rod, 306 handle, 307 second bidirectional threaded rod, 308 fixed block, 309 first motor;

[0025] 4 rotating mechanism, 401 support rod, 402 square block, 403 chassis, 404 first threaded rod, 405 fixed plate, 406 spring, 407 rotating shaft, 408 gear, 409 second motor;

[0026] 5 moving mechanism, 501 second threaded rod, 502 support block, 503 third motor. DETAILED DESCRIPTION

[0027] In order to make the technical personnel of the prior art better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the drawings.

[0028] The utility model provides a kind of pulley bounce gauge as Figures 1-6 As shown in a kind of pulley bounce gauge, including workbench 1, the workbench 1 top is equipped with the dial indicator detector 2 of carrying out bounce detection to pulley, the workbench 1 top is equipped with the limiting mechanism 3 of carrying out the location to pulley;

[0029] As shown in Figure 3 The limiting mechanism 3 includes the bottom plate 301 being equipped in the workbench 1 top, the bottom plate 301 top both sides are equipped with support column 302, the first bidirectional threaded rod 305 is movably connected in each support column 302, the first bidirectional threaded rod 305 both ends are screw-connected with limiting plate 303, the limiting plate 303 one side penetrates support column 302 and extends out support column 302 one side, the limiting plate 303 side away from support column 302 is fixed with fixed frame 304, the first bidirectional threaded rod 305 top penetrates support column 302 and extends out support column 302 top, the first bidirectional threaded rod 305 top is fixed with handle 306;

[0030] As shown in Figure 3 The bottom plate 301 is movably connected with the second bidirectional threaded rod 307 in, the second bidirectional threaded rod 307 both ends are screw-connected with fixed block 308, the fixed block 308 top penetrates bottom plate 301 and extends out bottom plate 301 top, the fixed block 308 top and the second bidirectional threaded rod 307 bottom of its same side are fixedly connected, the second bidirectional threaded rod 307 front end penetrates bottom plate 301 and extends out bottom plate 301 front side, the second bidirectional threaded rod 307 front end is fixed with first motor 309;

[0031] The first motor 309 is started, which drives the second bidirectional threaded rod 307 to rotate. The rotation of the second bidirectional threaded rod 307 drives the fixed block 308 to move. The fixed block 308 drives the base plate 301 to move. Then the handle 306 is turned, which drives the first bidirectional threaded rod 305. The first bidirectional threaded rod 305 drives the two fixed frames 304 to move. The two sides of the pulley are respectively inserted into the fixed frames 304 to limit the pulley. This utility model can limit pulleys of different diameters through the limiting mechanism 3, thus expanding its practicality.

[0032] like Figure 4 , 5 As shown, the top of the base plate 301 is provided with a rotating mechanism 4 that drives the pulley to rotate. The rotating mechanism 4 includes a support rod 401 on the top of the base plate 301. The bottom end of the support rod 401 is movably connected to the top of the base plate 301 through a bearing. A square block 402 is inserted inside the support rod 401. A base plate 403 is fixedly provided at the top of the square block 402. A first threaded rod 404 is fixedly provided at the top of the base plate 403. A fixing plate 405 is threadedly connected to the outside of the first threaded rod 404. A spring 406 is fixedly provided at the bottom of the square block 402. The bottom of the spring 406 is fixedly connected to the inside of the support rod 401.

[0033] like Figure 4 , 5 As shown, a rotating shaft 407 is movably connected inside the base plate 301 via a bearing. The top end of the rotating shaft 407 passes through the base plate 301 and extends out of the top of the base plate 301. Gears 408 are provided through the top end of the rotating shaft 407 and the outside of the support rod 401. The two gears 408 mesh with each other. A second motor 409 is fixedly provided at the bottom end of the rotating shaft 407.

[0034] The spring 406 at the bottom of the square block 402 moves the chassis 403 according to its own elasticity, supporting the chassis 403 at the bottom of the pulley. The first threaded rod 404 passes through the pulley, and then the fixing plate 405 is inserted into the top of the first threaded rod 404. The fixing plate 405 is rotated to the top of the pulley to fix the pulley. Then the second motor 409 is started, which can drive the rotating shaft 407 to rotate. The rotating shaft 407 can drive the support rod 401 to rotate under the action of the two gears 408. The support rod 401 drives the pulley to rotate, thereby enabling the detection of runout at different positions on the pulley.

[0035] like Figure 6As shown, the workbench 1 is internally provided with a moving mechanism 5 for moving the limiting mechanism 3, the moving mechanism 5 comprises a second threaded rod 501 arranged in the workbench 1, a supporting block 502 is threadedly connected to the second threaded rod 501, the supporting block 502 is arranged on the top of the workbench 1 and extends out of the top of the workbench 1, the top of the supporting block 502 is fixedly connected with the bottom of the bottom plate 301, one end of the second threaded rod 501 extends out of one side of the workbench 1, the second threaded rod 501 is movably connected with the workbench 1 through a bearing, and a third motor 503 is fixedly arranged at the end of the second threaded rod 501 away from the workbench 1.

[0036] The third motor 503 is started, the third motor 503 can drive the second threaded rod 501 to rotate, the second threaded rod 501 drives the supporting block 502 to move, the supporting block 502 drives the bottom plate 301 to move, the belt pulley can be moved to one side of the dial indicator 2 by the bottom plate 301, the belt pulley is slowly rotated, the change of the pointer of the dial indicator 2 is observed, the maximum and minimum readings of the pointer in the rotating process are recorded, and the difference between the two is the runout of the belt pulley, in order to ensure the accuracy of measurement, the measurement can be repeated for many times at different positions, and the average value is taken as the final result.

[0037] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled in the art, under the circumstances of not deviating from the spirit and scope of the utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A belt wheel runout gauge comprising a worktable (1), characterized in that: The workbench (1) top is equipped with dial indicator detector (2) to the belt pulley bounce detection, the workbench (1) top is equipped with the limiting mechanism (3) to the belt pulley limit; The limiting mechanism (3) includes the bottom plate (301) arranged on the top of the workbench (1), both sides of the top of the bottom plate (301) are provided with support columns (302), and the first bidirectional threaded rod (305) is movably connected in each support column (302) through a bearing. The first bidirectional threaded rod (305) is threadedly connected with a limiting plate (303) at both ends. The limiting plate (303) extends out of one side of the support column (302) through the support column (302) on one side. A fixed frame (304) is fixedly arranged on the side of the limiting plate (303) away from the support column (302). The top of the first bidirectional threaded rod (305) extends out of the top of the support column (302) through the support column (302). A handle (306) is fixedly arranged on the top of the first bidirectional threaded rod (305).

2. A belt jump detector as claimed in claim 1, wherein: The second bidirectional threaded rod (307) is movably connected in the bottom plate (301) through a bearing. The second bidirectional threaded rod (307) is threadedly connected with a fixed block (308) at both ends. The fixed block (308) extends out of the top of the bottom plate (301) through the bottom plate (301) on the top. The bottom of the second bidirectional threaded rod (307) on the same side as the top of the fixed block (308) is fixedly connected. The front end of the second bidirectional threaded rod (307) extends out of the front side of the bottom plate (301) through the bottom plate (301). A first motor (309) is fixedly arranged on the front end of the second bidirectional threaded rod (307).

3. A belt jump detector as claimed in claim 1, wherein: The top of the bottom plate (301) is provided with a rotating mechanism (4) for driving the belt pulley to rotate. The rotating mechanism (4) includes a support rod (401) arranged on the top of the bottom plate (301). The bottom end of the support rod (401) is movably connected with the top of the bottom plate (301) through a bearing. A square block (402) is inserted into the support rod (401). A bottom disc (403) is fixedly arranged on the top of the square block (402). A first threaded rod (404) is fixedly arranged on the top of the bottom disc (403). The first threaded rod (404) is threadedly connected with a fixed plate (405) outside.

4. A belt jump test fixture according to claim 3, wherein: The bottom end of the square block (402) is fixedly provided with a spring (406). The bottom of the spring (406) is fixedly connected with the inside of the support rod (401).

5. A belt jump detector as claimed in claim 3, wherein: The inside of the bottom plate (301) is movably connected with a rotating shaft (407) through a bearing. The top end of the rotating shaft (407) extends out of the top of the bottom plate (301) through the bottom plate (301). The top end of the rotating shaft (407) and the outside of the support rod (401) are both provided with a gear (408). The two gears (408) are meshed. The bottom end of the rotating shaft (407) is fixedly provided with a second motor (409).

6. A belt jump test fixture according to claim 1 wherein: The inside of the workbench (1) is provided with a moving mechanism (5) for driving the limiting mechanism (3) to move. Said mobile mechanism (5) includes second threaded rods (501) arranged inside the workbench (1), support blocks (502) are threadedly connected outside the second threaded rods (501), the support blocks (502) penetrate through the workbench (1) and extend out of the top of the workbench (1), the top of the support blocks (502) is fixedly connected with the bottom of the bottom plate (301), one end of the second threaded rods (501) penetrates through the workbench (1) and extends out of one side of the workbench (1), the second threaded rods (501) are movably connected with the workbench (1) through bearings, and third motors (503) are fixedly arranged at the ends, away from the workbench (1), of the second threaded rods (501).

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