Bearing run-out measuring equipment

Abstract

The utility model provides bearing run-out measuring equipment, which belongs to the field of bearing run-out measurement and comprises a base, a PLC (programmable logic controller) control display is mounted at the left end of the base, and a detector is mounted at the top end of the base. The detector comprises a sleeve rod, a vibration rod is inserted into the front end of the sleeve rod, a vibration sensor is fixedly connected to the top end of the vibration rod, the vibration sensor is matched with the sleeve rod, and the vibration sensor is electrically connected with the PLC control display. The vibration rod is in contact with the inner ring of the bearing inner ring and is opened, so that the position of the bearing inner ring is limited to a certain degree by the vibration rod, and if the bearing outer ring connected with the bearing inner ring is rotated, the bearing inner ring jumps to make contact with the vibration rod to vibrate, and the vibration rod vibrates, the vibration sensor senses vibration of the vibration rod; and the induction signal is transmitted to the PLC control display, and the PLC control display displays the vibration value.

Description

Technical Field

[0001] The utility model relates to the field of bearing runout measurement, in particular to a bearing runout measurement device. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Its main function is to support mechanical rotating bodies, reduce the friction coefficient during movement, and ensure its rotation accuracy. When measuring bearings, a bearing runout measuring instrument is needed. However, most of the bearing runout measuring instruments currently used cannot effectively fix measuring objects of different sizes when used, and cannot formulate the required measurements according to the measuring objects required for use, which can easily cause inconvenience to users, making their work prone to mistakes, and making it inconvenient to use. In addition, the measurement scale cannot be clearly seen, and the vision is relatively blurred.

[0003] Chinese patent authorization application number: CN202120790616.9, provides a bearing runout measuring instrument. This scheme can slide measuring objects of different sizes to suitable positions for fixing during use through the setting of a slide groove, a first slider and a first fixed block, thereby ensuring the accuracy of the measurement results. The setting of the adjusting rod, the first fixed block and the fixing bolt can extend and retract the first fixed block up and down and fix it to a suitable position during use. It can be adjusted to different positions for different measuring objects. However, when measuring, it is not convenient to limit the bearing position and measure the runout at the same time, and it is not convenient to use.

[0004] Therefore, it is necessary to provide a bearing runout measurement device to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a bearing runout measuring device.

[0006] The utility model provides a bearing runout measuring device, comprising a base, a PLC control display is installed on the left end of the base, and a detector is installed on the top of the base; the detector comprises a sleeve rod, a vibrating rod is inserted into the front end of the sleeve rod, a vibration sensor is fixedly connected to the top of the vibrating rod, the vibration sensor is matched with the sleeve rod, and the vibration sensor is electrically connected to the PLC control display.

[0007] Preferably, the detector further comprises a motor, wherein the motor is mounted on the top of the base, and a screw rod is fixedly connected to the transmission end of the motor.

[0008] Preferably, the detector further comprises a limit plate, a rear end of the limit plate is fixedly connected with a shaft sleeve, the shaft sleeve is connected with a screw rod, a top end of the sleeve rod is provided with an anti-skid block, and the anti-skid block is adapted to the screw rod.

[0009] Preferably, a threaded sleeve is installed at the outer end of the screw rod, and a plurality of connecting rods arranged equidistantly are hinged on the outer wall of the threaded sleeve, and one end of the connecting rod away from the threaded sleeve is hinged to the sleeve rod.

[0010] Preferably, a plurality of sliding grooves arranged equidistantly are provided at the rear end of the limiting plate, the sliding grooves penetrate the limiting plate, and the sliding grooves are slidably connected to the sleeve rod.

[0011] Preferably, an arc-shaped groove is formed at the top of the base, and the arc-shaped groove is adapted to the detector.

[0012] Preferably, a slot is provided at the front end of the sleeve rod, and the slot is adapted to fit the vibrating rod.

[0013] Compared with the related art, the bearing runout measuring device provided by the utility model has the following beneficial effects:

[0014] 1. A bearing runout measuring device, when a vibrating rod contacts and stretches the inner ring of the bearing inner ring, the vibrating rod limits the position of the bearing inner ring to a certain extent. When the outer ring of the bearing connected to the bearing inner ring is rotated, the inner ring of the bearing runs into contact with the vibrating rod and vibrates. When the vibrating rod vibrates, the vibration sensor senses the vibration of the vibrating rod and transmits the sensing signal to the PLC control display. The PLC control display displays the vibration value. When the vibrating rod is retracted, the outer ring of the bearing outer ring can be clamped. When the inner ring of the bearing is rotated, the outer ring of the bearing runs into contact with the vibrating rod and vibrates. When the vibrating rod vibrates, the vibration sensor senses the vibration of the vibrating rod and transmits the sensing signal to the PLC control display. The PLC control display displays the vibration value, thereby achieving the purpose of detecting the runout of the inner ring and outer ring of the bearing respectively.

[0015] 2. A bearing runout measuring device, wherein a motor drives a lead screw to rotate, the lead screw drives a threaded sleeve to move back and forth in a straight line, the threaded sleeve drives a connecting rod to move, the connecting rod drives a sleeve rod to move through a slide groove, the sleeve rod drives a vibrating rod to move, and the vibrating rod can be retracted and opened. When the threaded sleeve moves forward, the vibrating rod opens to contact the inner ring of the inner ring of the bearing, and when the threaded sleeve moves backward, the vibrating rod retracts to contact the outer ring of the outer ring of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall split structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the detector split structure of the utility model;

[0019] Figure 4It is a schematic diagram of the cutaway structure of the sleeve rod of the utility model;

[0020] Figure 5 It is a schematic diagram of the enlarged structure of the limit plate of the utility model;

[0021] Numbers in the figure: 1, base; 2, PLC control display; 3, detector; 301, motor; 302, limit plate; 303, bushing; 304, screw rod; 305, screw sleeve; 306, sleeve rod; 307, connecting rod; 308, vibration rod; 309, vibration sensor; 310, anti-slip block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 5 The utility model provides a bearing runout measuring device, comprising a base 1, a PLC control display 2 is installed at the left end of the base 1, and a detector 3 is installed at the top of the base 1; the detector 3 comprises a sleeve rod 306, a vibrating rod 308 is inserted at the front end of the sleeve rod 306, and a vibration sensor 309 is fixedly connected to the top of the vibrating rod 308, the vibration sensor 309 is adapted to the sleeve rod 306, and the vibration sensor 309 is electrically connected to the PLC control display 2;

[0024] The positions of the detector 3 and the PLC control display 2 are limited by the base 1, wherein the sleeve rod 306 of the detector 3 limits the positions of the vibrating rod 308 and the vibration sensor 309. When the vibrating rod 308 contacts and stretches the inner ring of the bearing inner ring, the vibrating rod 308 limits the position of the bearing inner ring to a certain extent. When the outer ring of the bearing connected to the bearing inner ring is rotated, the bearing inner ring jumps and contacts and vibrates with the vibrating rod 308. When the vibrating rod 308 vibrates, the vibration sensor 309 senses the vibration of the vibrating rod 308 and transmits the sensed signal The vibration value is transmitted to the PLC control display 2, and the PLC control display 2 displays the vibration value. If the vibration rod 308 is retracted, the outer ring of the outer ring of the bearing can be clamped. When the inner ring of the bearing is rotated, the outer ring of the bearing jumps and contacts and vibrates with the vibration rod 308. When the vibration rod 308 vibrates, the vibration sensor 309 senses the vibration of the vibration rod 308 and transmits the sensing signal to the PLC control display 2. The PLC control display 2 displays the vibration value, thereby achieving the purpose of detecting the vibration of the inner ring and the outer ring of the bearing respectively.

[0025] The detector 3 further includes a motor 301 , which is mounted on the top of the base 1 , and a screw rod 304 is fixedly connected to the transmission end of the motor 301 .

[0026] The detector 3 also includes a limit plate 302 , the rear end of which is fixedly connected to a shaft sleeve 303 , the shaft sleeve 303 is connected to a screw rod 304 , and an anti-skid block 310 is installed on the top end of the sleeve rod 306 , and the anti-skid block 310 is adapted to the screw rod 304 .

[0027] A threaded sleeve 305 is installed at the outer end of the screw rod 304 , and a plurality of equidistantly arranged connecting rods 307 are hingedly connected to the outer wall of the threaded sleeve 305 . One end of the connecting rod 307 away from the threaded sleeve 305 is hingedly connected to the sleeve rod 306 .

[0028] A plurality of equally spaced sliding grooves are formed at the rear end of the limiting plate 302 . The sliding grooves penetrate the limiting plate 302 , and are slidably connected to the sleeve rod 306 .

[0029] An arc-shaped groove is formed at the top of the base 1 , and the arc-shaped groove is matched with the detector 3 .

[0030] The front end of the sleeve rod 306 is provided with a slot, and the slot is adapted to fit the vibrating rod 308;

[0031] The motor 301 drives the screw rod 304 to rotate, the screw rod 304 drives the screw sleeve 305 to move back and forth in a straight line, the screw sleeve 305 drives the connecting rod 307 to move, the connecting rod 307 drives the sleeve rod 306 to move through the slide groove, the sleeve rod 306 drives the vibrating rod 308 to move, and the vibrating rod 308 can be retracted and opened. When the screw sleeve 305 moves forward, the vibrating rod 308 opens to contact the inner ring of the inner ring of the bearing. When the screw sleeve 305 moves backward, the vibrating rod 308 retracts to contact the outer ring of the outer ring of the bearing.

[0032] During operation, the motor 301 drives the screw rod 304 to rotate, the screw rod 304 drives the screw sleeve 305 to move back and forth in a straight line, the screw sleeve 305 drives the connecting rod 307 to move, the connecting rod 307 drives the sleeve rod 306 to move through the slide groove, the sleeve rod 306 drives the vibrating rod 308 to move, and the vibrating rod 308 can be retracted and opened. When the screw sleeve 305 moves forward, the vibrating rod 308 opens to contact the inner ring of the bearing inner ring. When the screw sleeve 305 moves backward, the vibrating rod 308 retracts to contact the outer ring of the bearing outer ring. When the vibrating rod 308 contacts the inner ring of the bearing inner ring and stretches out, the vibrating rod 308 restricts the position of the bearing inner ring to a certain extent. If the rotation is close to the bearing inner ring, the vibrating rod 308 will be in contact with the inner ring of the bearing. When the outer ring of the bearing is connected to the ring, the inner ring of the bearing jumps and contacts with the vibrating rod 308 and vibrates. When the vibrating rod 308 vibrates, the vibration sensor 309 senses the vibration of the vibrating rod 308 and transmits the sensing signal to the PLC control display 2. The PLC control display 2 displays the vibration value. If the vibrating rod 308 is retracted, the outer ring of the outer ring of the bearing can be clamped. When the inner ring of the bearing is rotated, the outer ring of the bearing jumps and contacts with the vibrating rod 308 and vibrates. When the vibrating rod 308 vibrates, the vibration sensor 309 senses the vibration of the vibrating rod 308 and transmits the sensing signal to the PLC control display 2. The PLC control display 2 displays the vibration value, which can achieve the purpose of detecting the vibration of the inner ring and the outer ring of the bearing respectively.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" 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 includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bearing runout measuring device, characterized in that: It comprises a base (1), a PLC control display (2) is installed at the left end of the base (1), and a detector (3) is installed at the top end of the base (1); The detector (3) comprises a sleeve rod (306), a vibration rod (308) is inserted into the front end of the sleeve rod (306), a vibration sensor (309) is fixedly connected to the top end of the vibration rod (308), the vibration sensor (309) is adapted to the sleeve rod (306), and the vibration sensor (309) is electrically connected to the PLC control display (2).

2. A bearing runout measuring device according to claim 1, characterized in that: The detector (3) further comprises a motor (301), wherein the motor (301) is mounted on the top of the base (1), and a screw rod (304) is fixedly connected to the transmission end of the motor (301).

3. A bearing runout measuring device according to claim 2, characterized in that: The detector (3) further comprises a limit plate (302), the rear end of the limit plate (302) being fixedly connected to a shaft sleeve (303), the shaft sleeve (303) being connected to a screw rod (304), the top end of the sleeve rod (306) being provided with an anti-skid block (310), the anti-skid block (310) being adapted to the screw rod (304).

4. A bearing runout measuring device according to claim 3, characterized in that: A screw sleeve (305) is installed at the outer end of the screw rod (304), and a plurality of connecting rods (307) arranged at equal distances are hingedly connected to the outer wall of the screw sleeve (305), and one end of the connecting rod (307) away from the screw sleeve (305) is hingedly connected to the sleeve rod (306).

5. A bearing runout measuring device according to claim 3, characterized in that: The rear end of the limiting plate (302) is provided with a plurality of sliding grooves which are arranged at equal distances. The sliding grooves penetrate the limiting plate (302) and are slidably connected to the sleeve rod (306).

6. A bearing runout measuring device according to claim 1, characterized in that: An arc-shaped groove is provided at the top of the base (1), and the arc-shaped groove is adapted to fit the detector (3).

7. A bearing runout measuring device according to claim 5, characterized in that: The front end of the sleeve rod (306) is provided with a slot, and the slot is adapted to fit the vibrating rod (308).

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