Belt pulley body mechanical vibration measurement gauge

Abstract

The invention relates to the technical field of belt pulley production, in particular to a belt pulley body mechanical vibration measurement gauge which comprises a fixing frame, a fourth storage plate is installed on one side of the upper end face of the fixing frame, a transmission assembly is arranged at the upper end of the fourth storage plate and connected with a fifth transmission lead screw, and the fifth transmission lead screw is in threaded connection with a third fixing block. A vibration measurement sensor is arranged on one side of the third fixing block; the clamping assembly is arranged on one side of the vibration measurement sensor and used for clamping the belt pulley body; the device has the beneficial effects that an adjusting ring is driven to rotate through cooperation of a second motor and a first transmission gear, in the rotating process of the adjusting ring, multiple sets of clamping rods are driven to move through multiple sets of arc-shaped grooves, and due to limiting cooperation of second through grooves in the moving process of the clamping rods, the multiple sets of clamping rods synchronously expand outwards, so that the clamping effect is improved; therefore, the multiple sets of clamping rods make contact with the inner wall of the center hole of the belt wheel body, and the belt wheel bodies of different sizes are clamped through the multiple sets of clamping rods expanding outwards.

Description

Technical Field

[0001] The invention relates to the technical field of pulley production, in particular to a pulley body mechanical vibration measuring tool. Background Art

[0002] The pulley is a hub-type part, which is generally relatively large in size and is mainly manufactured by casting and forging. When the pulley is running, vibrations will be generated due to various reasons such as processing errors. These vibrations are inevitable, but must be kept within a certain safety range. This requires measuring the vibration of the pulley during operation. In the prior art, a Chinese utility model with a publication number of CN222231856U discloses a mechanical vibration measuring device, including a base plate, a pair of support frames are fixedly connected to the top of the base plate, a fixed frame is fixedly connected between the pair of support frames, a placement block is arranged on the inner side of the fixed frame, a first slide groove is provided on the outer side of the placement block, a second slide groove is provided on the inner wall side of the first slide groove, and a plurality of first sliding blocks adapted to each other are slidably connected to the inner wall side of the first slide groove; the sliding plate drives the fixed cylinder, the first connecting block, the limit frame, the second connecting block, the guide cylinder and the screw rod to cooperate in use, so that the vibration sensor can be moved to a suitable position, and the height of the vibration sensor can be adjusted as needed, so that the probe of the vibration sensor is close to the position to be detected of the device to be detected, and the arrangement of multiple probe sensors facilitates simultaneous detection of multiple positions to be detected of the device to be detected, and the operation is simple; In the above technology, the device to be detected is placed on a rotating disk, and the device to be detected is installed on the rotating disk by bolts through threaded holes. Then, the height of the vibration sensor is adjusted so that the probe of the vibration sensor is in contact with the position to be detected of the device to be detected. By setting up multiple probe sensors, it is convenient to detect multiple positions to be detected of the device to be detected at the same time. However, during the detection process, due to the different sizes of the pulley bodies to be detected, the pulley bodies to be detected cannot be installed on the rotating disk by bolts. Summary of the invention

[0003] The object of the present invention is to provide a pulley body mechanical vibration measuring jig to solve the problems raised by the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A pulley body mechanical vibration measuring jig, characterized by comprising: Fixing frame, on one side of the upper end face of the fixing frame, a fourth storage plate is installed. The fourth storage plate has a "7"-shaped structure, and a transmission component is provided at the upper end of the horizontal rod of the fourth storage plate. The output end of the transmission component penetrates through the top of the fourth storage plate and is connected to a fifth transmission screw rod. The fifth transmission screw rod is screwed with a third fixing block, and at least one vibration measuring sensor is provided on one side of the third fixing block; A fifth limiting block is provided on the side of the third fixing block away from the vibration measuring sensor. A fifth limiting groove is opened at a position on the side wall of the vertical rod of the fourth storage plate corresponding to the fifth limiting block. One end of the fifth limiting block away from the third fixing block is slidably inserted into the interior of the fifth limiting groove; Clamping component, arranged on one side of the vibration measuring sensor, used for clamping the pulley body. The clamping component includes a rotatable adjusting plate.

[0005] Preferably, a third storage plate is provided at a position on the upper end face of the fixing frame corresponding to the fourth storage plate. The third storage plate has a "C"-shaped structure; A moving plate is installed on the lower end face of the third storage plate. A second guiding groove is opened on the upper end face of the moving plate at a position corresponding to the lower end face of the third storage plate. A sliding block is provided on the lower end face of the third storage plate at a position corresponding to the second guiding groove. The third storage plate is slidably connected to the moving plate through the cooperation of the second guiding groove and the sliding block.

[0006] Preferably, guiding blocks are symmetrically distributed on the lower end face of the moving plate. First guiding grooves are opened on the upper end face of the fixing frame at positions corresponding to the guiding blocks. The guiding blocks are slidably arranged inside the first guiding grooves; A sunken groove is opened between the two first guiding grooves. A third transmission screw rod is rotatably arranged inside the sunken groove. The lower end face of the moving plate is screwed with the third transmission screw rod. The third storage plate is slidably connected to the fixing frame through the cooperation of the moving plate and the third transmission screw rod; A transmission component is provided on the side wall of the fixing frame at a position corresponding to the third transmission screw rod. The output end of the transmission component passes through the side wall of the fixing frame and is connected to one end of the third transmission screw rod.

[0007] Preferably, a fourth transmission screw rod is rotatably arranged inside the third storage plate. A transmission component is provided at a position on the top end of the third storage plate corresponding to the fourth transmission screw rod. The output end of the transmission component passes through the top of the third storage plate and is connected to one end of the fourth transmission screw rod; The fourth transmission screw is screwed with a second fixing block, one side of the second fixing block is connected to a first limiting block, an inner side wall of the third storage plate is provided with a first limiting groove at a position corresponding to the first limiting block, and one end of the first limiting block away from the second fixing block is inserted into the first limiting groove; A side wall of the second fixing block away from the first limiting block is connected to the adjustment plate.

[0008] Preferably, a groove is formed on a side wall of the second fixing block facing the adjusting plate, a first motor is arranged inside the groove, and an output end of the first motor is connected to a side wall of the adjusting plate; The adjusting plate is provided with a first clearance groove inside, an adjusting ring is rotatably arranged inside the first clearance groove, and an arc groove is provided on a side wall of the adjusting ring facing the vibration sensor, and the arc grooves are provided in multiple groups, and the multiple groups of arc grooves are evenly spaced and distributed around the circumference; The side wall of the adjustment plate corresponding to each of the arc-shaped grooves is provided with a plurality of groups of second through grooves, and the plurality of groups of second through grooves all penetrate the side wall of the adjustment plate.

[0009] Preferably, a clamping rod is inserted into the interior of each of the arc-shaped grooves, and one end of each of the clamping rods away from the arc-shaped groove passes through the second through groove and extends to the outside of the adjustment plate; The inner side wall of each of the second through grooves is provided with a second limiting groove, the inner part of each of the second limiting grooves is slidably provided with a second limiting block, each of the second limiting blocks is connected to the corresponding clamping rod, and the upper end of the second limiting block and the inner top end of the corresponding second limiting groove are provided with a first return spring; The outer surface of the adjustment ring is provided with a plurality of sets of tooth grooves distributed at intervals, the adjustment plate is provided with a third through groove at a position corresponding to the tooth groove, and a first transmission gear meshing with the tooth groove is rotatably arranged inside the third through groove; A second motor is installed at a position of the side wall of the adjustment plate corresponding to the first transmission gear, and an output end of the second motor passes through the side wall of the adjustment plate and is connected to one side of the first transmission gear.

[0010] Preferably, a first receiving groove is provided at a position of the outer surface of each clamping rod facing outward, an extrusion block is provided inside each of the first receiving grooves, and a first air bag is provided between the lower end surface of each extrusion block and the inner bottom end of the corresponding first receiving groove, a second return spring is provided inside each of the first air bags, and the extrusion block is elastically connected to the clamping rod through the second return spring; An air storage cavity is provided inside the clamping rod at a position corresponding to the first airbag, a sealing block is slidably provided inside the air storage cavity, and a third return spring is provided between one side of the sealing block and the inner side wall of the air storage cavity, the sealing block is elastically arranged inside the air storage cavity by the third return spring, and a first exhaust pipe is provided between the air storage cavity and the corresponding first airbag, and the air storage cavity is connected with the first airbag through the first exhaust pipe.

[0011] Preferably, each of the clamping rods is provided with a rotation groove at one end away from the adjustment plate, a rotation block is provided inside each of the rotation grooves, through holes are provided on both side walls of one end of the rotation block, a second transmission gear is provided at the position of the inner side wall of the rotation groove corresponding to the through hole, and the rotation block is rotationally connected to the clamping rod through the cooperation of the second transmission gear and the through hole; A fourth receiving groove is provided inside the clamping rod at a position corresponding to the second transmission gear, the fourth receiving groove is communicated with the second transmission gear, and a rack is slidably provided inside the fourth receiving groove, one end of the rack is meshed with the through hole, a sixth return spring is provided between an end of the rack away from the through hole and an inner side wall of the fourth receiving groove, the rack is elastically provided inside the fourth receiving groove by the sixth return spring, and a fourth airbag is provided between an end of the rack away from the through hole and an inner side wall of the fourth receiving groove, a second exhaust pipe is provided between the fourth airbag and the first airbag, and the fourth airbag is communicated with the first airbag through the second exhaust pipe; The cam is an angular channel formed on a pair of camshafts, each of which is adapted to move relative to the first frame, wherein the camshaft is configured to move relative to the first frame, wherein the camshaft is configured to move relative to the first frame, wherein the camshaft is configured to move relative to the first frame, wherein the camshaft is configured to move relative to the first frame, wherein the camshaft is configured to move relative to the first frame, wherein the camshaft is configured to move relative to the first frame, A third receiving groove is formed at one end of the first supporting rod, a second supporting rod is arranged inside the third receiving groove, a fifth return spring is arranged between the end of the second supporting rod and the inner bottom end of the third receiving groove, the second supporting rod is elastically connected to the second supporting rod through the fifth return spring, a fourth limiting block is arranged on the outer surface of the second supporting rod, a fourth limiting groove is formed at the inner side wall of the third receiving groove at a position corresponding to the fourth limiting block, and the fourth limiting block is slidably arranged inside the fourth limiting groove; A third airbag is arranged between the end of the second supporting rod and the inner bottom end of the third receiving groove, and a third exhaust pipe is opened at the end of the second supporting rod corresponding to the position of the third airbag. The third airbag is connected with the second airbag through the third exhaust pipe, and the elastic force of the fourth return spring is smaller than the elastic force of the fifth return spring.

[0012] Preferably, a first storage plate is installed on a side of the upper end surface of the fixing frame corresponding to the fourth storage plate, a first connecting plate is installed on the top of the first storage plate, a first transmission screw is rotatably arranged between the first connecting plate and the upper end surface of the fixing frame, and a transmission assembly is installed inside the fixing frame corresponding to one end of the first transmission screw, and an output end of the transmission assembly is connected to one end of the first transmission screw; A first slide rail is provided on a side wall of the first storage plate corresponding to one side of the first transmission screw, and a first slider is slidably provided on the first slide rail, the first slider is screwed to the first transmission screw, and the first slider moves up and down along the first slide rail through the cooperation of the first transmission screw, and a first fixing frame is installed on a side wall of the first slider away from the first slide rail, and a wheel roundness measuring instrument is installed on the first fixing frame.

[0013] Preferably, a positioning pin is installed on the upper surface of the fixing frame at a position corresponding to the wheel body roundness measuring instrument; A first through slot is provided on the upper end surface of the fixing frame at a position corresponding to the wheel body roundness measuring instrument, and second fixing frames are installed on both side walls inside the first through slot, and a second transmission screw is rotatably arranged between the two groups of the second fixing frames, and one end of the second transmission screw passes through the second fixing frame and is connected to a hand wheel; A second storage plate is screwed on the second transmission screw, and the second storage plate moves along the first through slot through the second transmission screw, and one end of the second storage plate away from the second transmission screw passes through the first through slot and is connected to a second slide rail, the second slide rail is arranged on a side wall of the second storage plate facing the wheel body roundness measuring instrument, and a second slider is slidably arranged on the second slide rail, and a side limit block is arranged on a side wall of the second slider facing the wheel body roundness measuring instrument.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention drives the adjusting ring to rotate through the cooperation of the second motor and the first transmission gear. During the rotation of the adjusting ring, the multiple groups of clamping rods are driven to move through the multiple groups of arc grooves. During the movement of the clamping rods, the multiple groups of clamping rods are limited by the second through grooves, so that the multiple groups of clamping rods are synchronously expanded outward, so that the multiple groups of clamping rods are in contact with the inner wall of the central hole of the pulley body, and the pulley bodies of different sizes are clamped by the multiple groups of clamping rods that expand outward; 2. When the clamping rod contacts the inner wall of the center hole of the pulley body, the elastically arranged extrusion block is squeezed, and the extrusion block compresses the first airbag. The gas inside the first airbag is discharged to the inside of the fourth airbag through the second exhaust pipe. The expansion of the fourth airbag pushes the rack to move. When the rack moves, it drives the rotating block to rotate through the through hole to limit the clamped pulley body. When the rotating block rotates to be perpendicular to the clamping rod, the rack is pressed against the top of the fourth receiving groove. At this time, the internal gas of the first airbag is discharged into the inside of the second airbag through another set of second exhaust pipes. The expansion of the second airbag pushes the first holding rod to extend, and holds the pulley body to prevent the pulley body from being tilted, thereby affecting the detection effect of the wheel roundness measuring instrument and the vibration sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the numerical structure of the roundness of the pulley body of the present invention; Figure 3 It is a schematic side view of the three-dimensional structure of the present invention; Figure 4 It is a schematic diagram of the connection between the third storage plate and the adjustment plate structure of the present invention; Figure 5 It is an exploded schematic diagram of the second fixing block and the adjustment plate structure of the present invention; Figure 6 It is a schematic diagram of the internal structure of the adjustment plate of the present invention; Figure 7 It is a cross-sectional schematic diagram of the connection between the adjustment plate and the clamping rod structure of the present invention; Figure 8 for Figure 7A schematic diagram of the structure enlargement in the middle; Fig. 9 It is a schematic cross-sectional view of the clamping rod structure of the present invention; Fig.10 for Fig. 9 A magnified schematic diagram of the structure at B in the middle; Fig.11 It is a cross-sectional schematic diagram of the connection between the clamping rod and the rotating block structure of the present invention; Fig.12 It is a schematic diagram of the connection between the vibration sensor and the fourth storage plate structure of the present invention.

[0016] In the figure: a fixed frame 1, a first storage plate 2, a first connecting plate 3, a first slide rail 4, a first slider 5, a first transmission screw 6, a wheel body roundness measuring instrument 7, a second storage plate 8, abutting positioning pin 9, a first guide groove 10, a moving plate 11, a third storage plate 12, an adjusting plate 13, a fourth storage plate 14, a first fixed frame 15, a first through groove 16, a second transmission screw 17, a first fixed block 18, a second slide rail 19, a second slider 20, a side limit block 21, a second fixed frame 22, a hand wheel 23, a sink 24, a third transmission screw 25, a guide block 26, a second guide groove 27, a first limit groove 28, a first limit block 29, a second fixed block 30, a fourth transmission screw 31, a clamping rod 32, a groove 33, a first motor 34, a second through groove 35, a second motor 36, a third through groove 37, a first transmission gear 38, a clearance groove 39, an adjusting ring 40, an arc groove 41, a tooth groove 42, second limiting groove 43, second limiting block 44, first return spring 45, extrusion block 46, first receiving groove 47, first air bag 49, second return spring 50, air storage chamber 51, third return spring 52, sealing block 53, first exhaust pipe 54, second exhaust pipe 55, rotating groove 56, rotating block 57, second receiving groove 58, first holding rod 59, second air bag 60, fourth return spring 61, third limiting groove 62, third limiting block 63, third receiving groove 64, second holding rod 65, fourth limiting groove 66, fourth limiting block 67, third exhaust pipe 68, third air bag 69, fifth return spring 70, fourth receiving groove 71, fourth air bag 72, sixth return spring 73, rack 74, second transmission gear 75, through hole 76, fifth limiting groove 77, fifth limiting block 78, third fixing block 79, vibration sensor 80, fifth transmission screw 81. DETAILED DESCRIPTION

[0017] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in an exemplary manner in conjunction with the accompanying drawings.

[0018] Example 1: Please refer to Figure 3-Figure 5 As shown, the present invention provides a technical solution: a pulley body mechanical vibration measuring tool, comprising: Fixing bracket 1, a third storage plate 12 is arranged on the upper end surface of the fixing bracket 1, and the third storage plate 12 is in a "C" - shaped structure; A fourth transmission lead screw 31 is rotatably arranged inside the third storage plate 12. At the position corresponding to the fourth transmission lead screw 31 at the top of the third storage plate 12, a transmission assembly is arranged. The output end of the transmission assembly passes through the top of the third storage plate 12 and is connected to one end of the fourth transmission lead screw 31; The fourth transmission lead screw 31 is screwed with a second fixing block 30. One side of the second fixing block 30 is connected with a first limiting block 29. A first limiting groove 28 is opened at the position corresponding to the first limiting block 29 on the inner side wall of the third storage plate 12. One end of the first limiting block 29 away from the second fixing block 30 is inserted into the inside of the first limiting groove 28; On the side wall of the second fixing block 30 away from the first limiting block 29, an adjusting plate 13 is arranged; By driving the fourth transmission lead screw 31 to rotate through the transmission assembly, during the rotation of the fourth transmission lead screw 31, through the cooperation of the first limiting groove 28 and the first limiting block 29, the up - and - down movement of the second fixing block 30 is realized. Furthermore, the adjusting plate 13 is driven by the second fixing block 30 to move up and down. And a first motor 34 is arranged inside the second fixing block 30. The output end of the first motor 34 is connected with the adjusting plate 13, and the rotation of the adjusting plate 13 is realized through the first motor 34.

[0019] Embodiment 2: As Figure 6-Figure 8 shown, the pulley body mechanical vibration measurement fixture disclosed in Embodiment 2 of the present invention has basically the same structure as that in Embodiment 1, and the difference lies in: A groove 33 is opened on the side wall of the second fixing block 30 facing the adjusting plate 13. A first motor 34 is arranged inside the groove 33, and the output end of the first motor 34 is connected with one side wall of the adjusting plate 13; A first relief groove 39 is opened inside the adjusting plate 13. An adjusting ring 40 is rotatably arranged inside the first relief groove 39. And an arc - shaped groove 41 is opened on the side wall of the adjusting ring 40 facing the vibration measurement sensor 80. A plurality of groups of arc - shaped grooves 41 are provided, and the plurality of groups of arc - shaped grooves 41 are evenly spaced in a circumferential manner; A plurality of groups of second through - grooves 35 are opened on the side wall of the adjusting plate 13 corresponding to each arc - shaped groove 41, and the plurality of groups of second through - grooves 35 all penetrate through the side wall of the adjusting plate 13; A clamping rod 32 is inserted into each arc - shaped groove 41. One end of each clamping rod 32 away from the arc - shaped groove 41 passes through the second through - groove 35 and extends to the outside of the adjusting plate 13; The inner side wall of each second through groove 35 is provided with a second limiting groove 43, and a second limiting block 44 is slidably arranged inside each second limiting groove 43. Each second limiting block 44 is connected to the corresponding clamping rod 32, and a first return spring 45 is arranged at the upper end of the second limiting block 44 and the inner top end of the corresponding second limiting groove 43; The outer surface of the adjusting ring 40 is provided with a plurality of tooth grooves 42 spaced apart from each other. The adjusting plate 13 is provided with a third through groove 37 at a position corresponding to the tooth groove 42. A first transmission gear 38 meshing with the tooth groove 42 is rotatably arranged inside the third through groove 37. A second motor 36 is installed at a position of the side wall of the adjustment plate 13 corresponding to the first transmission gear 38, and an output end of the second motor 36 passes through the side wall of the adjustment plate 13 and is connected to one side of the first transmission gear 38; The second motor 36 and the first transmission gear 38 cooperate to drive the adjusting ring 40 to rotate. During the rotation of the adjusting ring 40, the multiple groups of clamping rods 32 are driven to move through the multiple groups of arc grooves 41. Since the clamping rods 32 are limited by the second through grooves 35 during the movement, the multiple groups of clamping rods 32 are synchronously expanded outward, so that the multiple groups of clamping rods 32 are in contact with the inner wall of the center hole of the pulley body, and the pulley bodies of different sizes are clamped by the multiple groups of clamping rods 32 that expand outward.

[0020] Embodiment 3: Figure 9-11 As shown, the pulley body mechanical vibration measuring fixture disclosed in the third embodiment of the present invention has a structure that is basically the same as that in the second embodiment, except that: A first receiving groove 47 is provided at a position on the outer surface of each clamping rod 32 facing outward, and an extrusion block 46 is provided inside each first receiving groove 47, and a first air bag 49 is provided between the lower end surface of each extrusion block 46 and the inner bottom end of the corresponding first receiving groove 47, and a second return spring 50 is provided inside each first air bag 49, and the extrusion block 46 is elastically connected to the clamping rod 32 through the second return spring 50; An air storage chamber 51 is provided inside the clamping rod 32 at a position corresponding to the first airbag 49, a sealing block 53 is slidably provided inside the air storage chamber 51, and a third return spring 52 is provided between one side of the sealing block 53 and the inner side wall of the air storage chamber 51, the sealing block 53 is elastically arranged inside the air storage chamber 51 by the third return spring 52, and a first exhaust pipe 54 is provided between the air storage chamber 51 and the corresponding first airbag 49, and the air storage chamber 51 is connected to the first airbag 49 via the first exhaust pipe 54.

[0021] A rotation groove 56 is formed at one end of each clamping rod 32 away from the adjustment plate 13, and a rotation block 57 is formed inside each rotation groove 56. Through holes 76 are formed on both sides of the side walls of one end of the rotation block 57. A second transmission gear 75 is formed at the position of the inner side wall of the rotation groove 56 corresponding to the through hole 76. The rotation block 57 is rotationally connected to the clamping rod 32 through the cooperation of the second transmission gear 75 and the through hole 76. A fourth receiving groove 71 is provided inside the clamping rod 32 at a position corresponding to the second transmission gear 75. The fourth receiving groove 71 is communicated with the second transmission gear 75, and a rack 74 is slidably provided inside the fourth receiving groove 71. One end of the rack 74 is meshed with the through hole 76, and a sixth return spring 73 is provided between the end of the rack 74 away from the through hole 76 and the inner side wall of the fourth receiving groove 71. The rack 74 is elastically provided inside the fourth receiving groove 71 by the sixth return spring 73, and a fourth airbag 72 is provided between the end of the rack 74 away from the through hole 76 and the inner side wall of the fourth receiving groove 71. A second exhaust duct 55 is provided between the fourth airbag 72 and the first airbag 49, and the fourth airbag 72 is communicated with the first airbag 49 through the second exhaust duct 55. A second receiving groove 58 is provided on the side wall of each rotating block 57 facing the axis of the adjusting plate 13, and a first holding rod 59 is provided inside each second receiving groove 58, and a fourth return spring 61 is provided between the end of the first holding rod 59 and the inner bottom end of the second receiving groove 58, and the first holding rod 59 is elastically connected to the rotating block 57 through the fourth return spring 61, and a third limiting block 63 is provided on the outer surface of the first holding rod 59, and a third limiting groove 62 is provided on the inner side wall of the second receiving groove 58 at a position corresponding to the sealing block 53, and the third limiting block 63 is slidably arranged inside the third limiting groove 62, and a second airbag 60 is provided between the end of the first holding rod 59 and the inner bottom end of the second receiving groove 58, and another set of second exhaust pipes 55 is provided between the second airbag 60 and the corresponding first airbag 49, and the elastic force of the sixth return spring 73 is less than the elastic force of the fourth return spring 61; A third receiving groove 64 is formed at one end of the first abutting rod 59, a second abutting rod 65 is disposed inside the third receiving groove 64, a fifth return spring 70 is disposed between the end of the second abutting rod 65 and the inner bottom end of the third receiving groove 64, the second abutting rod 65 is elastically connected to the second abutting rod 65 through the fifth return spring 70, a fourth limiting block 67 is disposed on the outer surface of the second abutting rod 65, a fourth limiting groove 66 is formed at the inner side wall of the third receiving groove 64 at a position corresponding to the fourth limiting block 67, and the fourth limiting block 67 is slidably disposed inside the fourth limiting groove 66; A third airbag 69 is disposed between the end of the second abutting rod 65 and the inner bottom end of the third receiving groove 64, and a third exhaust pipe 68 is provided at the end of the second abutting rod 65 corresponding to the position of the third airbag 69. The third airbag 69 is connected to the second airbag 60 through the third exhaust pipe 68, and the elastic force of the fourth return spring 61 is smaller than the elastic force of the fifth return spring 70. When the clamping rod 32 contacts the inner wall of the center hole of the pulley body, it squeezes the elastically arranged extrusion block 46, and the extrusion block 46 compresses the first air bag 49. The internal gas of the first air bag 49 is discharged to the inside of the fourth air bag 72 through the second exhaust pipe 55. The fourth air bag 72 expands and pushes the rack 74 to move. When the rack 74 moves, it drives the rotating block 57 to rotate through the through hole 76 to limit the clamped pulley body. When the rotating block 57 rotates to be perpendicular to the clamping rod 32, the rack 74 abuts against the top of the fourth receiving groove 71. At this time, the internal gas of the first air bag 49 is discharged into the inside of the second air bag 60 through another set of second exhaust pipes 55 and hoses. The expansion of the second air bag 60 pushes the first abutting rod 59 to extend, abuts against the pulley body to prevent the pulley body from being tilted.

[0022] Embodiment 4: Fig.12 As shown, the pulley body mechanical vibration measuring jig disclosed in the fourth embodiment of the present invention has a structure that is substantially the same as that in the third embodiment, except that: A pulley body mechanical vibration measuring instrument, further comprising a fourth placement plate 14 arranged on the upper surface of a fixing frame 1, the fourth placement plate 14 being located on one side of the first placement plate 2; The fourth storage plate 14 is in a "7"-shaped structure, and a transmission assembly is provided at the upper end of the transverse rod of the fourth storage plate 14, the output end of the transmission assembly passes through the top of the wheel body roundness measuring instrument 7 and is connected to a fifth transmission screw 81, the fifth transmission screw 81 is screwed with a third fixing block 79, and at least one group of vibration sensors 80 is provided on one side of the third fixing block 79; A fifth limiting block 78 is disposed on a side of the third fixing block 79 away from the vibration sensor 80, and a fifth limiting groove 77 is formed on a side wall of the vertical rod of the fourth storage plate 14 at a position corresponding to the fifth limiting block 78, and one end of the fifth limiting block 78 away from the third fixing block 79 is slidably inserted into the fifth limiting groove 77; The fifth transmission screw 81 is driven to rotate by the transmission assembly. When the fifth transmission screw 81 rotates, the third fixed block 79 is moved up and down along the fifth transmission screw 81 through the cooperation of the fifth limit groove 77 and the fifth limit block 78, thereby driving the vibration sensor 80 to move up and down, so that the vibration sensor 80 can be moved to any position of the side wall of the pulley body, so as to facilitate the detection of any position of the side wall of the pulley body.

[0023] Embodiment 5: Figure 1-Figure 2As shown, the pulley body mechanical vibration measuring fixture disclosed in the fifth embodiment of the present invention has a structure that is substantially the same as that in the fourth embodiment, except that: A pulley body roundness value, including: A fixing frame 1, a first storage plate 2 is installed on one side of the upper end surface of the fixing frame 1, a first connecting plate 3 is installed on the top of the first storage plate 2, a first transmission screw 6 is rotatably arranged between the first connecting plate 3 and the upper end surface of the fixing frame 1, and a transmission assembly is installed inside the fixing frame 1 corresponding to one end of the first transmission screw 6, and the output end of the transmission assembly is connected to one end of the first transmission screw 6; The first slide rail 4 is arranged on a side wall of the first storage plate 2 corresponding to the first transmission screw 6, and a first slider 5 is slidably arranged on the first slide rail 4, the first slider 5 is screwed to the first transmission screw 6, and the first slider 5 moves up and down along the first slide rail 4 through the cooperation of the first transmission screw 6, and a first fixing frame 15 is installed on a side wall of the first slider 5 away from the first slide rail 4, and a wheel roundness measuring instrument 7 is installed on the first fixing frame 15; A positioning pin 9 is installed on the upper surface of the fixing frame 1 at a position corresponding to the wheel body roundness measuring instrument 7 .

[0024] A first through slot 16 is provided on the upper end surface of the fixing frame 1 at a position corresponding to the wheel body roundness measuring instrument 7, and second fixing frames 22 are installed on both side walls inside the first through slot 16. A second transmission screw 17 is rotatably arranged between the two sets of second fixing frames 22, and one end of the second transmission screw 17 passes through the second fixing frame 22 and is connected to a hand wheel 23; A second storage plate 8 is screwed on the second transmission screw 17, and the second storage plate 8 moves along the first through slot 16 through the second transmission screw 17, and one end of the second storage plate 8 away from the second transmission screw 17 passes through the first through slot 16 and is connected to a second slide rail 19, the second slide rail 19 is arranged on a side wall of the second storage plate 8 facing the wheel body roundness measuring instrument 7, and a second slider 20 is slidably arranged on the second slide rail 19, and a side limit block 21 is arranged on the side wall of the second slider 20 facing the wheel body roundness measuring instrument 7; By rotating the first transmission screw 6, the first slider 5 is moved up and down along the first slide rail 4, thereby driving the wheel body roundness measuring instrument 7 to move up and down, which is convenient for roundness detection of pulley bodies with different diameters. The second storage plate 8 can be adjusted in position through the second transmission screw 17, which is convenient for driving the side limit block 21 to move toward the pulley body to limit the pulley body.

[0025] Example 6: Figure 3-Figure 4 As shown, the pulley body mechanical vibration measuring fixture disclosed in the sixth embodiment of the present invention has a structure that is substantially the same as that in the fifth embodiment, except that: The movable plate 11 is installed on the lower end surface of the third storage plate 12, and the upper end surface of the movable plate 11 is provided with a second guide groove 27 at a position corresponding to the lower end surface of the third storage plate 12. A sliding block is provided at a position corresponding to the second guide groove 27 on the lower end surface of the third storage plate 12. The third storage plate 12 is slidably connected to the movable plate 11 through the cooperation of the second guide groove 27 and the sliding block.

[0026] The lower end surface of the movable plate 11 is provided with symmetrically distributed guide blocks 26, and the upper end surface of the fixed frame 1 is provided with a first guide groove 10 at a position corresponding to the guide block 26, and the guide block 26 is slidably arranged inside the first guide groove 10; A sink groove 24 is provided between the two groups of first guide grooves 10, a third transmission screw 25 is rotatably provided inside the sink groove 24, the lower end surface of the movable plate 11 is screwed to the third transmission screw 25, and the third storage plate 12 is slidably connected to the fixed frame 1 through the cooperation of the movable plate 11 and the third transmission screw 25; A transmission assembly is provided at a position of the side wall of the fixing frame 1 corresponding to the third transmission screw 25, and an output end of the transmission assembly passes through the side wall of the fixing frame 1 and is connected to one end of the third transmission screw 25; The third transmission screw 25 and the movable plate 11 cooperate to drive the pulley body to move, which facilitates vibration detection and roundness detection of the pulley body. At the same time, the third storage plate 12 and the movable plate 11 slide together to facilitate detection of pulley bodies of different thicknesses.

[0027] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pulley body mechanical vibration measuring tool, characterized in that: include: A fixing frame (1), a fourth storage plate (14) being mounted on one side of an upper end surface of the fixing frame (1), the fourth storage plate (14) being in a "7"-shaped structure, and a transmission assembly being arranged at an upper end of a transverse rod of the fourth storage plate (14), an output end of the transmission assembly penetrating through a top of the fourth storage plate (14) and being connected to a fifth transmission screw (81), the fifth transmission screw (81) being screwed to a third fixing block (79), and at least one group of vibration sensors (80) being arranged on one side of the third fixing block (79); A fifth limiting block (78) is arranged on a side of the third fixing block (79) away from the vibration sensor (80); a fifth limiting groove (77) is provided on a side wall of the vertical rod of the fourth storage plate (14) at a position corresponding to the fifth limiting block (78); an end of the fifth limiting block (78) away from the third fixing block (79) is slidably inserted into the interior of the fifth limiting groove (77); A clamping assembly, arranged on one side of the vibration sensor (80) and used for clamping the pulley body, the clamping assembly comprising a rotatable adjustment plate (13); The adjusting plate (13) is provided with a first clearance groove (39) inside, an adjusting ring (40) is rotatably arranged inside the first clearance groove (39), and a side wall of the adjusting ring (40) facing the vibration sensor (80) is provided with an arc groove (41), and the arc grooves (41) are provided in a plurality of groups, and the plurality of groups of arc grooves (41) are evenly spaced and distributed around the circumference; The adjusting plate (13) has a side wall corresponding to each of the arc-shaped grooves (41) provided with a plurality of groups of second through grooves (35), and the plurality of groups of second through grooves (35) all penetrate the side wall of the adjusting plate (13); A clamping rod (32) is inserted into the interior of each of the arc-shaped grooves (41), and one end of each of the clamping rods (32) away from the arc-shaped groove (41) passes through the second through groove (35) and extends to the outside of the adjustment plate (13); The inner side wall of each second through groove (35) is provided with a second limiting groove (43), and a second limiting block (44) is slidably arranged inside each second limiting groove (43). Each second limiting block (44) is connected to the corresponding clamping rod (32), and a first return spring (45) is arranged at the upper end of the second limiting block (44) and the inner top of the corresponding second limiting groove (43); The outer surface of the adjustment ring (40) is provided with a plurality of groups of tooth grooves (42) distributed at intervals, the adjustment plate (13) is provided with a third through groove (37) at a position corresponding to the tooth groove (42), and a first transmission gear (38) meshing with the tooth groove (42) is rotatably arranged inside the third through groove (37); A second motor (36) is installed on the side wall of the adjustment plate (13) at a position corresponding to the first transmission gear (38), and an output end of the second motor (36) passes through the side wall of the adjustment plate (13) and is connected to one side of the first transmission gear (38).

2. The pulley body mechanical vibration measuring jig according to claim 1, characterized in that: At the position on the upper end face of the fixing frame (1) corresponding to the fourth storage plate (14), a third storage plate (12) is provided, and the third storage plate (12) has a "C"-shaped structure; A moving plate (11) is installed on the lower end face of the third storage plate (12). A second guiding groove (27) is formed on the upper end face of the moving plate (11) at the position corresponding to the lower end face of the third storage plate (12). A sliding block is provided on the lower end face of the third storage plate (12) at the position corresponding to the second guiding groove (27). The third storage plate (12) is slidably connected to the moving plate (11) through the cooperation of the second guiding groove (27) and the sliding block.

3. The pulley body mechanical vibration measuring jig according to claim 2, characterized in that: Symmetrically distributed guiding blocks (26) are provided on the lower end face of the moving plate (11). A first guiding groove (10) is formed on the upper end face of the fixing frame (1) at the position corresponding to the guiding blocks (26). The guiding blocks (26) are slidably arranged inside the first guiding groove (10); A sunk groove (24) is formed between the two groups of first guiding grooves (10). A third driving lead screw (25) is rotatably arranged inside the sunk groove (24). The lower end face of the moving plate (11) is screwed to the third driving lead screw (25). The third storage plate (12) is slidably connected to the fixing frame (1) through the cooperation of the moving plate (11) and the third driving lead screw (25); A transmission assembly is provided on the side wall of the fixing frame (1) at the position corresponding to the third driving lead screw (25). The output end of the transmission assembly passes through the side wall of the fixing frame (1) and is connected to one end of the third driving lead screw (25).

4. The pulley body mechanical vibration measuring jig according to claim 2, characterized in that: A fourth driving lead screw (31) is rotatably arranged inside the third storage plate (12). A transmission assembly is provided on the top end of the third storage plate (12) at the position corresponding to the fourth driving lead screw (31). The output end of the transmission assembly passes through the top of the third storage plate (12) and is connected to one end of the fourth driving lead screw (31); The fourth driving lead screw (31) is screwed to a second fixing block (30). One side of the second fixing block (30) is connected to a first limiting block (29). A first limiting groove (28) is formed on the inner side wall of the third storage plate (12) at the position corresponding to the first limiting block (29). One end of the first limiting block (29) away from the second fixing block (30) is inserted into the inside of the first limiting groove (28); The side wall of the second fixing block (30) away from the first limiting block (29) is connected to the adjusting plate (13).

5. The pulley body mechanical vibration measuring jig according to claim 4, characterized in that: A groove (33) is formed on the side wall of the second fixing block (30) facing the adjusting plate (13). A first motor (34) is arranged inside the groove (33). The output end of the first motor (34) is connected to one side wall of the adjusting plate (13).

6. The pulley body mechanical vibration measuring jig according to claim 5, characterized in that: A first receiving groove (47) is provided at a position on the outer surface of each clamping rod (32) facing outwards, an extrusion block (46) is provided inside each first receiving groove (47), and a first air bag (49) is provided between the lower end surface of each extrusion block (46) and the inner bottom end of the corresponding first receiving groove (47), a second return spring (50) is provided inside each first air bag (49), and the extrusion block (46) is elastically connected to the clamping rod (32) via the second return spring (50); An air storage chamber (51) is provided inside the clamping rod (32) at a position corresponding to the first airbag (49), a sealing block (53) is slidably provided inside the air storage chamber (51), and a third return spring (52) is provided between one side of the sealing block (53) and an inner side wall of the air storage chamber (51), the sealing block (53) is elastically provided inside the air storage chamber (51) by the third return spring (52), and a first exhaust pipe (54) is provided between the air storage chamber (51) and the first airbag (49), and the air storage chamber (51) is connected to the first airbag (49) via the first exhaust pipe (54).

7. The pulley body mechanical vibration measuring jig according to claim 6, characterized in that: A rotation groove (56) is provided at one end of each clamping rod (32) away from the adjustment plate (13); a rotation block (57) is provided inside each rotation groove (56); through holes (76) are provided on both side walls of one end of the rotation block (57); a second transmission gear (75) is provided on the inner side wall of the rotation groove (56) at a position corresponding to the through hole (76); and the rotation block (57) is rotationally connected to the clamping rod (32) through the cooperation of the second transmission gear (75) and the through hole (76); A fourth receiving groove (71) is provided inside the clamping rod (32) at a position corresponding to the second transmission gear (75), the fourth receiving groove (71) being in communication with the second transmission gear (75), and a rack (74) is slidably provided inside the fourth receiving groove (71), one end of the rack (74) being meshed with the through hole (76), and a sixth return spring (76) is provided between an end of the rack (74) away from the through hole (76) and an inner side wall of the fourth receiving groove (71). 73), the rack (74) is elastically arranged inside the fourth receiving groove (71) through the sixth return spring (73), and a fourth airbag (72) is arranged between an end of the rack (74) away from the through hole (76) and an inner side wall of the fourth receiving groove (71), a second exhaust duct (55) is opened between the fourth airbag (72) and the first airbag (49), and the fourth airbag (72) is connected to the first airbag (49) through the second exhaust duct (55); A second receiving groove (58) is provided on a side wall of each rotating block (57) facing the axis of the adjusting plate (13); a first holding rod (59) is provided inside each second receiving groove (58); a fourth return spring (61) is provided between an end of the first holding rod (59) and an inner bottom end of the second receiving groove (58); the first holding rod (59) is elastically connected to the rotating block (57) via the fourth return spring (61); a third limiting block (63) is provided on an outer surface of the first holding rod (59); and the second receiving groove (58) is provided with a first stopper (59). A third limiting groove (62) is provided at an inner side wall of the receiving groove (58) at a position corresponding to the sealing block (53); the third limiting block (63) is slidably arranged inside the third limiting groove (62); a second air bag (60) is arranged between an end of the first supporting rod (59) and an inner bottom end of the second receiving groove (58); another set of second exhaust pipes (55) is provided between the second air bag (60) and the corresponding first air bag (49); and the elastic force of the sixth return spring (73) is smaller than the elastic force of the fourth return spring (61); A third receiving groove (64) is formed at one end of the first supporting rod (59), a second supporting rod (65) is arranged inside the third receiving groove (64), a fifth return spring (70) is arranged between the end of the second supporting rod (65) and the inner bottom end of the third receiving groove (64), the second supporting rod (65) is elastically connected to the second supporting rod (65) via the fifth return spring (70), a fourth limiting block (67) is arranged on the outer surface of the second supporting rod (65), a fourth limiting groove (66) is formed on the inner side wall of the third receiving groove (64) at a position corresponding to the fourth limiting block (67), and the fourth limiting block (67) is slidably arranged inside the fourth limiting groove (66); A third airbag (69) is provided between the end of the second supporting rod (65) and the inner bottom end of the third receiving groove (64), and a third exhaust pipe (68) is provided at the end of the second supporting rod (65) at a position corresponding to the third airbag (69), the third airbag (69) is connected to the second airbag (60) through the third exhaust pipe (68), and the elastic force of the fourth return spring (61) is smaller than the elastic force of the fifth return spring (70).

8. The pulley body mechanical vibration measuring jig according to claim 1, characterized in that: A first storage plate (2) is mounted on a side of the upper end surface of the fixing frame (1) corresponding to the fourth storage plate (14); a first connecting plate (3) is mounted on the top of the first storage plate (2); a first transmission screw (6) is rotatably arranged between the first connecting plate (3) and the upper end surface of the fixing frame (1); a transmission assembly is mounted inside the fixing frame (1) corresponding to one end of the first transmission screw (6); an output end of the transmission assembly is connected to one end of the first transmission screw (6); A first slide rail (4) is arranged on a side wall of the first storage plate (2) corresponding to the first transmission screw (6), and a first slider (5) is slidably arranged on the first slide rail (4). The first slider (5) is screwed to the first transmission screw (6). The first slider (5) moves up and down along the first slide rail (4) through the cooperation of the first transmission screw (6), and a first fixing frame (15) is installed on a side wall of the first slider (5) away from the first slide rail (4), and a wheel body roundness measuring instrument (7) is installed on the first fixing frame (15).

9. The pulley body mechanical vibration measuring jig according to claim 8, characterized in that: A positioning needle (9) is installed on the upper surface of the fixing frame (1) at a position corresponding to the wheel body roundness measuring instrument (7); A first through slot (16) is formed on the upper end surface of the fixing frame (1) at a position corresponding to the wheel body roundness measuring instrument (7), and second fixing frames (22) are installed on both side walls inside the first through slot (16). A second transmission screw (17) is rotatably arranged between two groups of the second fixing frames (22), and one end of the second transmission screw (17) passes through the second fixing frame (22) and is connected to a hand wheel (23); A second storage plate (8) is screwed onto the second transmission screw (17), the second storage plate (8) moves along the first through slot (16) via the second transmission screw (17), and one end of the second storage plate (8) away from the second transmission screw (17) passes through the first through slot (16) and is connected to a second slide rail (19), the second slide rail (19) being arranged on a side wall of the second storage plate (8) facing the wheel body roundness measuring instrument (7), and a second slider (20) is slidably arranged on the second slide rail (19), and a side limit block (21) is arranged on a side wall of the second slider (20) facing the wheel body roundness measuring instrument (7).

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