CN112539860A - Engine crankshaft gyroscopic moment testing arrangement - Google Patents
Engine crankshaft gyroscopic moment testing arrangement Download PDFInfo
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- CN112539860A CN112539860A CN202011341182.0A CN202011341182A CN112539860A CN 112539860 A CN112539860 A CN 112539860A CN 202011341182 A CN202011341182 A CN 202011341182A CN 112539860 A CN112539860 A CN 112539860A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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Abstract
The invention discloses an engine crankshaft slewing moment testing device, which relates to the field of engine testing and comprises an equipment base frame, an engine clamping device, an engine conveying device, an engine driving device and a torque sensor clamping device, wherein the equipment base frame is used for installing and fixing other parts of the equipment, the engine clamping device is used for positioning and clamping an engine to be tested, the engine conveying device is used for conveying the engine to a testing position, the engine driving device is used for driving the engine to rotate at a rated rotating speed in the testing process, and the torque sensor clamping device is used for clamping and fixing a torque sensor. The invention has high automation degree, tests automatically after positioning the engine, can adjust and control the rotating speed of the driving engine in the test process, and has high flexibility and strong adaptability.
Description
Technical Field
The invention relates to the field of engine testing, in particular to a device for testing the revolving moment of an engine crankshaft.
Background
Along with the development of national economy, people are increasingly demanding on automobiles, the production demand of automobile parts is increasingly high, in the production and assembly process of an engine, in order to ensure the quality of crankshaft installation, crankshaft revolving torque needs to be tested, but the rotating speed of the engine is fast and difficult to control in the testing process, and in order to solve the problem, application number CN201821772467.8 provides an engine crankshaft revolving torque testing device which is low in automation degree and inconvenient to operate, and a torque sensor cannot realize a quick-change function.
Disclosure of Invention
The invention provides an engine crankshaft slewing torque testing device aiming at the technical problems, which comprises an equipment base frame, wherein an upper plate upper mounting surface of the equipment base frame is mounted with a lower mounting surface of a clamping device bottom plate in an engine clamping device, the front side edge of the clamping device bottom plate is aligned with the front side edge of the upper plate of the equipment base frame, an upper plate upper mounting surface of the equipment base frame is mounted with a lower mounting surface of a conveying device bottom plate in an engine conveying device, the rear side edge of the conveying device bottom plate is aligned with the rear side edge of the upper plate of the equipment base frame, an upper mounting surface of the conveying device bottom plate in the engine conveying device is mounted with a lower mounting surface of an engine driving device bottom plate in an engine driving device, the front side edge of the engine driving device bottom plate is aligned with the front side edge of the conveying device bottom plate, and a left side mounting surface of the equipment base frame is mounted with a right side mounting surface of a torque Mounted together with the upper planar surface of the torque sensor mounting bracket aligned with the upper planar surface of the equipment pedestal.
The engine clamping device comprises a clamping device bottom plate, a clamping device adjusting plate, clamping device supporting blocks, an engine positioning plate, a baffle plate, a knob support, an adjusting knob, a clamping cylinder support, a clamping cylinder, a cylinder connecting block and an engine clamping block, wherein a trapezoidal processing groove of the clamping device bottom plate is matched with a bulge of the clamping device adjusting plate, an upper side mounting surface of the clamping device adjusting plate is mounted with a lower side mounting surface of the clamping device supporting block, the two clamping device supporting blocks are distributed on the left side and the right side of the clamping device adjusting plate, an upper side mounting surface of the clamping device supporting block is mounted with a lower side mounting surface of the engine positioning plate, the front side edge of the engine positioning plate is aligned with the front side edge of the clamping device supporting block, the rear side mounting surface of the engine positioning plate is mounted with the front, and the downside border of baffle and the downside border of engine locating plate are aligned, the left side installation face of clamping device bottom plate is in the same place with the right side installation face of knob support installation face, and the knob support is close to the bottom of clamping device bottom plate, the screw hole of knob support cooperatees with the external screw thread of adjust knob, the upside installation face of clamping device adjusting plate is in the same place with the downside installation face of centre gripping cylinder support installation, and the front side installation face of centre gripping cylinder support is in the same place with the rear side installation face of centre gripping cylinder installation face, the axle head portion that stretches out of centre gripping cylinder is connected with the screw hole of cylinder connecting block, the upside installation face of cylinder connecting block is in the same place with the downside installation face of engine clamp piece, and the rear side border of engine clamp piece is.
The engine conveying device comprises a conveying device bottom plate, a conveying device sliding rail, a conveying device sliding block, a conveying device sliding plate, a conveying device motor support, a conveying device motor belt pulley, a belt, a conveying device screw rod belt pulley, a front bearing seat, a front bearing, a screw rod, a screw nut, a rear bearing seat, a rear bearing, a screw nut connecting block and a conveying device motor, wherein an upper mounting surface of the conveying device bottom plate and a lower mounting surface of the conveying device sliding rail are mounted together, the outer side of the conveying device sliding rail is matched with the inner side of the conveying device sliding block, an upper side plane of the conveying device sliding block and a lower side plane of the conveying device sliding plate are mounted together, a lower mounting surface of the conveying device bottom plate and an upper mounting surface of the conveying device motor support are mounted together, the conveying device motor support is close to the front side of the conveying device bottom plate, and a rear side plane of a An outer circle of an output shaft of a motor of the conveying device is matched with an inner hole of a motor belt pulley of the conveying device, the motor belt pulley of the conveying device is bound with a screw rod belt pulley of the conveying device through a belt, the inner hole of the screw rod belt pulley of the conveying device is matched with an outer circle of the front side of a screw rod, an upper mounting surface of a processing groove of a bottom plate of the conveying device is mounted with a lower mounting surface of a front bearing seat, the front bearing seat is close to the front side of the bottom plate of the conveying device, an inner circular hole of the front bearing seat is matched with an outer circle of a front bearing, an inner hole of the front bearing is matched with an outer circle of the screw rod, an upper mounting surface of the processing groove of the bottom plate of the conveying device is mounted with a lower mounting surface of a rear bearing seat, a rear bearing seat is close to, the outer side threads of the lead screw are matched with the inner side threads of the lead screw nut, the outer circle of the lead screw nut is matched with the inner hole of the lead screw nut connecting block, and the upper side mounting surface of the lead screw nut connecting block is mounted with the lower side mounting surface of the conveying device sliding plate.
The engine driving device comprises an engine driving device bottom plate, an engine driving device sliding block, an engine driving device guide rail, a motor mounting bracket, a motor mounting plate, a driving motor, a driving device cylinder bracket, a driving device cylinder connecting block, a torque sensor butt-joint block, a buffer spring and a connecting pin, wherein the upper mounting surface of the engine driving device bottom plate is mounted with the lower mounting surface of the engine driving device guide rail, the outer side of the engine driving device guide rail is matched with the inner side of the engine driving device sliding block, the upper mounting surface of the engine driving device sliding block is mounted with the lower mounting surface of the motor mounting bracket, the rear mounting surface of a vertical plate of the motor mounting bracket is mounted with the front mounting surface of the motor mounting plate, and the rear mounting surface of the motor mounting plate is mounted with the front mounting surface of the driving motor, the engine drive device bottom plate's upside installation face is in the same place with the installation face installation of the downside of drive device cylinder support, the front side installation face of drive device cylinder support is in the same place with the installation face installation of the rear side of drive device cylinder, the axle head portion that stretches out of drive device cylinder is connected with drive device cylinder connecting block, the rear side plane of drive device cylinder connecting block is in the same place with the installation of the front side plane of motor installing support, driving motor's output shaft excircle cooperatees with the hole of torque sensor butt joint piece, and driving motor and torque sensor butt joint piece pass through the connecting pin and link together, buffer spring is installed to the inboard of torque sensor butt joint piece.
The torque sensor clamping device comprises a torque sensor mounting bracket, a torque sensor clamping slide rail, a horizontal pushing cylinder bracket, a horizontal pushing cylinder connecting block, a moving bracket, a swinging cylinder mounting plate, a swinging cylinder connector, a swinging cylinder hinge pin, a rotating shaft, a sensor clamping cylinder bracket, a sensor clamping cylinder connector, a connecting rod, a sensor clamping block, a torque sensor clamping slide block and a swinging bracket, wherein the upper side mounting surface of the torque sensor mounting bracket is mounted with the lower side mounting surface of the torque sensor clamping slide rail, the outer side of the torque sensor clamping slide rail is matched with the inner side of the torque sensor clamping slide block, the rear side mounting surface of the torque sensor mounting bracket is mounted with the front side mounting surface of the horizontal pushing cylinder bracket, the front side mounting surface of the horizontal pushing cylinder bracket is mounted with the rear side mounting surface of the horizontal pushing cylinder, the end part of an extending shaft of the horizontal pushing cylinder is mounted with the horizontal pushing cylinder connecting block, the right side mounting surface of the horizontal pushing cylinder connecting block is mounted with the left side mounting surface of the moving bracket, the upper mounting surface of a left side welding block of the moving bracket is mounted with the lower mounting surface of a swinging cylinder mounting plate, the upper mounting surface of the swinging cylinder mounting plate is mounted with the lower mounting surface of the swinging cylinder, the end part of the extending shaft of the swinging cylinder is connected with a swinging cylinder connector, the excircle of the upper end cylindrical surface of the swinging cylinder connector is matched with the inner hole of the swinging cylinder hinge pin, the rear side cylindrical surface of the swinging cylinder hinge pin is matched with the long hole of the swinging bracket, and the inner circle of the swinging bracket is matched with, the rear side plane of rotation axis is in the same place with the installation of the front side plane of moving movable support, the front side installation face of swing support is in the same place with the installation face of the rear side of sensor centre gripping cylinder support, the left side installation face of sensor centre gripping cylinder support is in the same place with the installation face of the right side of sensor centre gripping cylinder, the sensor centre gripping cylinder stretch out the tip and link together with sensor centre gripping cylinder joint, sensor centre gripping cylinder joint and connecting rod coaxial coupling, the right side terminal surface of connecting rod links together with sensor clamp block left side terminal surface, the sensor clamp block V type processing recess is lived torque sensor excircle centre gripping.
Furthermore, the cylindrical surface of the front shaft of the torque sensor butt-joint block is provided with a key groove matched with an engine input shaft, and the torque sensor butt-joint block is made of brass and has a smooth surface without burrs.
Furthermore, a processing groove is arranged between the clamping device bottom plate and the clamping device adjusting plate, and the position of the engine positioning plate in the left and right directions is finely adjusted by rotating the adjusting knob.
Furthermore, the surface of the engine clamping block is smooth and has no edges and corners, the material is bearing steel, and hard chromium plating is adopted for surface treatment.
Furthermore, the inner surface of the belt is made of wear-resistant material high-molecular polyethylene.
Furthermore, the material of the sensor clamping block is bearing steel, chemical nickel plating is performed on the surface of the bearing steel, and HRC sixty degrees is performed on the surface of the bearing steel by heat treatment.
Compared with the prior art, the invention has the beneficial effects that:
(1) the automation degree is high, and after the engine is positioned, the subsequent test does not need manual participation;
(2) the efficiency is high, the torque sensor can be quickly replaced, and the time for replacing the torque sensor is reduced;
(3) the flexibility is high, the adaptability is strong, the speed of the driving engine can be controlled by a program and can be adjusted according to different working conditions or different engine models.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the engine clamping device according to the present invention;
FIG. 3 is a sectional view of the engine holding apparatus according to the present invention;
FIG. 4 is a schematic view of a conveyor according to the present invention;
FIG. 5 is a cross-sectional view of the delivery device of the present invention;
FIG. 6 is a schematic view of an engine drive arrangement according to the present invention;
FIG. 7 is a cross-sectional view of the engine drive of the present invention;
FIG. 8 is a schematic view of a torque sensor holding apparatus of the present invention.
Reference numerals: 1-equipment pedestal; 2-an engine holding device; 3-a conveying device; 4-engine drive means; 5-torque sensor clamping device; 201-clamping device base plate; 202-a clamping device adjustment plate; 203-a clamping device support block; 204-an engine positioning plate; 205-baffles; 206-knob holder; 207-adjusting knob; 208-a clamping cylinder holder; 209-clamping cylinder; 210-cylinder connecting block; 211-engine clamping block; 301-transporter base plate; 302-a conveyor sled; 303-transporter slide; 304-a transporter sled; 305-a transporter motor mount; 306-a conveyor motor pulley; 307-a belt; 308-conveyor lead screw belt pulley; 309-front bearing seat; 310-a front bearing; 311-a lead screw; 312-lead screw nut; 313-rear bearing seat; 314-rear bearing; 315-lead screw nut connecting block; 316-conveyor motor; 401-engine drive means floor; 402-motor drive slide; 403-engine drive means guide rails; 404-motor mounting bracket; 405-a motor mounting plate; 406-a drive motor; 407-drive means cylinder support; 408-a drive means cylinder; 409-a driving device cylinder connecting block; 410-a torque sensor docking block; 411-a buffer spring; 412-connecting pin; 501-torque sensor mounting bracket; 502-torque sensor grip slide rail; 503-horizontally pushing the cylinder support; 504-horizontal push cylinder; 505-horizontally pushing the cylinder connecting block; 506-moving the support; 507-a swing cylinder mounting plate; 508-a swing cylinder; 509-oscillating cylinder connection; 510-a swing cylinder hinge pin; 511-a rotating shaft; 512-sensor clamp cylinder mount; 513-sensor clamp cylinder; 514-sensor clamp cylinder joint; 515-a connecting rod; 516-a sensor clamping block; 517-torque sensor; 518-torque sensor clamping slide; 519-swing support.
Detailed Description
The present invention is described in detail below with reference to fig. 1-8.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, an engine crankshaft gyroscopic moment testing device comprises an equipment pedestal 1, an upper board mounting surface of the equipment pedestal 1 is mounted with a lower mounting surface of a clamping device bottom board 201 in an engine clamping device 2, a front side edge of the clamping device bottom board 201 is aligned with a front side edge of the upper board of the equipment pedestal 1, an upper board mounting surface of the equipment pedestal 1 is mounted with a lower mounting surface of a conveyor bottom board 301 in a conveyor 3, a rear side edge of the conveyor bottom board 301 is aligned with a rear side edge of the upper board of the equipment pedestal 1, an upper mounting surface of the conveyor bottom board 301 in the conveyor 3 is mounted with a lower mounting surface of an engine driving device bottom board 401 in an engine driving device 4, and a front side edge of the engine driving device bottom board 401 is aligned with a front side edge of the conveyor bottom board 301, the left side mounting surface of the equipment base frame 1 is mounted with the right side mounting surface of the torque sensor mounting bracket 501 in the torque sensor clamping device 5, and the upper side plane of the torque sensor mounting bracket 51 is aligned with the upper side plane of the equipment base frame 1. The device comprises a device base frame 1, an engine clamping device 2, an engine conveying device 3, an engine driving device 4 and a torque sensor clamping device 5, wherein the device base frame 1 is used for installing and fixing other parts of the device, the engine clamping device 2 is used for positioning and clamping an engine to be tested, the engine conveying device 3 is used for conveying the engine to a testing position, the engine driving device 4 is used for driving the engine to rotate at a rated rotating speed in a testing process, and the torque.
The specific structure of the engine clamping device 2 is shown in fig. 2 and 3, the engine clamping device 2 comprises a clamping device bottom plate 201, a clamping device adjusting plate 202, a clamping device supporting block 203, an engine positioning plate 204, a baffle plate 205, a knob bracket 206, an adjusting knob 207, a clamping cylinder bracket 208, a clamping cylinder 209, a cylinder connecting block 210 and an engine clamping block 211, a trapezoidal processing groove of the clamping device bottom plate 201 is matched with a bulge of the clamping device adjusting plate 202, an upper side mounting surface of the clamping device adjusting plate 202 is mounted with a lower side mounting surface of the clamping device supporting block 203, the two clamping device supporting blocks 203 are distributed on the left side and the right side of the clamping device adjusting plate 202, an upper side mounting surface of the clamping device 203 is mounted with the lower side mounting surface of the engine positioning plate 204, and the front side edge of the engine positioning plate 204 is aligned with the front side edge of, the rear mounting surface of the engine positioning plate 204 is mounted together with the front mounting surface of the dash panel 205, and the lower side edge of the baffle plate 205 is aligned with the lower side edge of the engine positioning plate 204, the left side mounting surface of the clamping device bottom plate 201 and the right side mounting surface of the knob bracket 206 are mounted together, and the knob bracket 206 is close to the bottom of the clamping device base plate 201, the threaded hole of the knob bracket 206 is matched with the external thread of the adjusting knob 207, the upper side mounting surface of the clamping device adjusting plate 202 is mounted with the lower side mounting surface of the clamping cylinder bracket 208, the front side mounting surface of the clamping cylinder bracket 208 is mounted with the rear side mounting surface of the clamping cylinder 209, the end part of the extending shaft of the clamping cylinder 209 is connected with the threaded hole of the cylinder connecting block 210, the upper side mounting surface of the cylinder connecting block 210 is mounted with the lower side mounting surface of the engine clamping block 211, and the rear side edge of the engine clamping block 211 is aligned with the rear side edge of the cylinder connection block 210. The engine clamp block 211 clamps the workpiece under the pulling action of the clamp cylinder 209, and the relative position between the clamp base plate 201 and the clamp adjustment plate 202 can be finely adjusted by rotating the adjustment knob 207.
The specific structure of the engine conveyor 3 is shown in fig. 4 and 5, the engine conveyor 3 comprises a conveyor base plate 301, a conveyor slide rail 302, a conveyor slider 303, a conveyor slide plate 304, a conveyor motor bracket 305, a conveyor motor pulley 306, a belt 307, a conveyor screw pulley 308, a front bearing seat 309, a front bearing 310, a screw 311, a screw nut 312, a rear bearing seat 313, a rear bearing 314, a screw nut connecting block 315, a conveyor motor 316, an upper mounting surface of the conveyor base plate 301 is mounted with a lower mounting surface of the conveyor slide rail 302, an outer side of the conveyor slide rail 302 is fitted with an inner side of the conveyor slider 303, an upper plane of the conveyor slider 303 is mounted with a lower plane of the conveyor slide plate 304, a lower mounting surface of the conveyor base plate 301 is mounted with an upper mounting surface of the conveyor motor bracket 305, the motor bracket 305 of the conveying device is close to the front side of the base plate 301 of the conveying device, the rear plane of the vertical plate of the motor bracket 305 of the conveying device is installed with the front plane of the motor 316 of the conveying device, the excircle of the output shaft of the motor 316 of the conveying device is matched with the inner hole of the motor pulley 306 of the conveying device, the motor pulley 306 of the conveying device is bound with the screw rod pulley 308 of the conveying device through a belt 307, the motor pulley 306 of the conveying device and the screw rod pulley 308 of the conveying device are bound together by the belt 307 to rotate synchronously, the inner hole of the screw rod pulley 308 of the conveying device is matched with the excircle of the front side of a screw rod 311, the upper installation surface of the processing groove of the base plate 301 of the conveying device is installed with the lower installation surface of the front bearing seat 309, the front bearing seat 309 is close to the front side of the, the inner hole of the front bearing 310 is matched with the outer circle of the lead screw 311, the upper mounting surface of the processing groove of the conveying device bottom plate 301 is installed together with the lower mounting surface of the rear bearing seat 313, the rear bearing seat 313 is close to the rear side of the conveying device bottom plate 301, the inner hole of the rear bearing seat 313 is matched with the outer circle of the rear bearing 314, the inner hole of the rear bearing 314 is matched with the outer circle of the lead screw 311, the outer side thread of the lead screw 311 is matched with the inner side thread of the lead screw nut 312, the outer circle of the lead screw nut 312 is matched with the inner hole of the lead screw nut connecting block 315, and the upper mounting surface of the lead screw. Under the rotation action of the conveyor motor 316, the conveyor motor pulley 306 drives the conveyor lead screw pulley 308 to rotate through the belt 307, the conveyor lead screw pulley 308 drives the lead screw 311 to rotate, the lead screw 311 is matched with the lead screw nut 312 to convert the rotation into the linear motion of the conveyor sliding plate 304, and the conveyor sliding plate 304 pushes the engine driving device 4 to a position close to the engine.
The specific structure of the engine driving device 4 is shown in fig. 6 and 7, the engine driving device 4 comprises an engine driving device base plate 401, an engine driving device sliding block 402, an engine driving device guide rail 403, a motor mounting bracket 404, a motor mounting plate 405, a driving motor 406, a driving device cylinder bracket 407, a driving device cylinder 408, a driving device cylinder connecting block 409, a torque sensor butt-joint block 410, a buffer spring 411 and a connecting pin 412, wherein the upper mounting surface of the engine driving device base plate 401 is mounted with the lower mounting surface of the engine driving device guide rail 403, the outer side of the engine driving device guide rail 403 is matched with the inner side of the engine driving device sliding block 402, the upper mounting surface of the engine driving device sliding block 402 is mounted with the lower mounting surface of the motor mounting bracket 404, the rear side mounting surface of the vertical plate of the motor mounting bracket 404 is mounted with the front side mounting surface of, the rear mounting surface of the motor mounting plate 405 and the front mounting surface of the driving motor 406 are mounted together, the upper mounting surface of the engine driving device bottom plate 401 and the lower mounting surface of the driving device cylinder bracket 407 are mounted together, the front mounting surface of the driving device cylinder bracket 407 and the rear mounting surface of the driving device cylinder 408 are mounted together, the end part of the extension shaft of the driving device cylinder 408 is connected with a driving device cylinder connecting block 409, the rear plane of the driving device cylinder connecting block 409 and the front plane of the motor mounting bracket 404 are mounted together, the outer circle of the output shaft of the driving motor 406 is matched with the inner hole of the torque sensor butt joint block 410, the driving motor 406 and the torque sensor butt joint block 410 are connected together through a connecting pin 412, and the buffer spring 411 is mounted on the inner side of the torque sensor butt joint block 410. The torque sensor butt-joint block 410 is close to the torque sensor 517 under the pushing action of the driving device cylinder 408, and the torque sensor butt-joint block 410 is inserted into the hole of the torque sensor 517 under the buffering action of the buffer spring 411.
The torque sensor clamping device 5 is specifically structured as shown in fig. 8, the torque sensor clamping device 5 comprises a torque sensor mounting bracket 501, a torque sensor clamping slide rail 502, a horizontal pushing cylinder bracket 503, a horizontal pushing cylinder 504, a horizontal pushing cylinder connecting block 505, a moving bracket 506, a swinging cylinder mounting plate 507, a swinging cylinder 508, a swinging cylinder connector 509, a swinging cylinder hinge pin 510, a rotating shaft 511, a sensor clamping cylinder bracket 512, a sensor clamping cylinder 513, a sensor clamping cylinder connector 514, a connecting rod 515, a sensor clamping block 516, a torque sensor 517, a torque sensor clamping slide block 518 and a swinging bracket 519, wherein an upper mounting surface of the torque sensor mounting bracket 501 is mounted together with a lower mounting surface of the torque sensor clamping slide rail 502, an outer side of the torque sensor clamping slide rail 502 is matched with an inner side of the torque sensor clamping slide block 518, the rear side mounting surface of a torque sensor mounting bracket 501 is mounted with the front side mounting surface of a horizontal pushing cylinder bracket 503, the front side mounting surface of the horizontal pushing cylinder bracket 503 is mounted with the rear side mounting surface of a horizontal pushing cylinder 504, the end part of an extension shaft of the horizontal pushing cylinder 504 is mounted with a horizontal pushing cylinder connecting block 505, the right side mounting surface of the horizontal pushing cylinder connecting block 505 is mounted with the left side mounting surface of a movable bracket 506, the upper mounting surface of a left side welding block of the movable bracket 506 is mounted with the lower mounting surface of a swinging cylinder mounting plate 507, the upper mounting surface of the swinging cylinder mounting plate 507 is mounted with the lower mounting surface of a swinging cylinder 508, the end part of the extension shaft of the swinging cylinder 508 is connected with a swinging cylinder connector 509, the excircle of the upper end cylindrical surface of the swinging cylinder connector 509 is matched with the inner hole of a, the rear cylindrical surface of the swing cylinder hinge pin 510 is matched with the long hole of the swing support 519, the inner circle of the circular hole of the swing support 519 is matched with the outer circle of the rotating shaft 511, the rear plane of the rotating shaft 511 is installed with the front plane of the moving support 506, the front installation surface of the swing support 519 is installed with the rear installation surface of the sensor clamping cylinder support 512, the left installation surface of the sensor clamping cylinder support 512 is installed with the right installation surface of the sensor clamping cylinder 513, the end part of the extending shaft of the sensor clamping cylinder 513 is connected with the sensor clamping cylinder joint 514, the sensor clamping cylinder joint 514 is coaxially connected with the connecting rod 515, the right end surface of the connecting rod 515 is connected with the left end surface of the sensor clamping block 516, and the outer circle of the torque sensor 517 is clamped by the V-shaped processing groove of the. Under the pushing action of the swinging cylinder 508, the torque sensor 517 moves downwards, under the pushing action of the sensor clamping cylinder 513, the torque sensor 517 and a crankshaft of the engine are kept in a coaxial position, under the pushing action of the horizontal pushing cylinder 504, the torque sensor 517 is sleeved at the end part of the crankshaft of the engine, the swinging support (519) freely rotates around the rotating shaft (511), and the swinging cylinder 508 controls the rotating angle and the speed.
The cylindrical surface of the front shaft of the torque sensor butt-joint block 410 is provided with a key groove matched with an engine input shaft, the torque sensor butt-joint block 410 is made of brass, and the surface is smooth and has no burrs.
The clamping device bottom plate 201 is matched with the clamping device adjusting plate 202 through a processing groove, and the position of the engine positioning plate 204 in the left-right direction is finely adjusted by rotating an adjusting knob 207. The engine clamping block 211 has a smooth surface without edges and corners, is made of bearing steel, and is plated with hard chrome for surface treatment. The inner surface of the belt 307 is made of wear-resistant material, namely high-molecular polyethylene. The material of the sensor clamping block 516 is bearing steel, the surface is treated by chemical nickel plating, and the heat treatment is HRC sixty degrees.
An operator places an engine on an engine positioning plate 204, under the action of pulling of a clamping cylinder 209, an engine clamping block 211 clamps a workpiece, under the pushing action of a swinging cylinder 508, a torque sensor 517 moves downwards, under the pushing action of a sensor clamping cylinder 513, the torque sensor 517 and a crankshaft of the engine keep a coaxial position, under the pushing action of a horizontal pushing cylinder 504, the torque sensor 517 is sleeved at the end part of the crankshaft of the engine, under the rotating action of a conveying device motor 316, a conveying device motor belt pulley 306 drives a conveying device screw rod belt pulley 308 to rotate through a belt 307, the conveying device screw rod belt pulley 308 drives a screw rod 311 to rotate, the screw rod 311 is matched with a screw rod nut 312 to convert the rotation into the linear motion of a conveying device sliding plate 304, and the conveying device sliding plate 304 pushes an engine driving device 4 to a position close to the engine, under the pushing action of the driving device cylinder 408, the torque sensor butt-joint block 410 is close to the torque sensor 517, under the buffering action of the buffer spring 411, the torque sensor butt-joint block 410 is inserted into a hole of the torque sensor 517, after the test is completed, the driving motor 406 starts to drive the engine to perform the test, and after the test is completed, each component returns to the original position to start the next cycle.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any modification, equivalent replacement, or improvement made within the scope of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides an engine crankshaft gyroscopic moment testing arrangement, includes equipment bed frame (1), its characterized in that: the upper mounting surface of the upper plate of the equipment pedestal (1) is mounted together with the lower mounting surface of a clamping device bottom plate (201) in an engine clamping device (2), the front side edge of the clamping device bottom plate (201) is aligned with the front side edge of the upper plate of the equipment pedestal (1), the upper mounting surface of the upper plate of the equipment pedestal (1) is mounted together with the lower mounting surface of a conveyor bottom plate (301) in an engine conveyor (3), the rear side edge of the conveyor bottom plate (301) is aligned with the rear side edge of the upper plate of the equipment pedestal (1), the upper mounting surface of the conveyor bottom plate (301) in the engine conveyor (3) is mounted together with the lower mounting surface of an engine driving device bottom plate (401) in an engine driving device (4), and the front side edge of the engine driving device bottom plate (401) is aligned with the front side edge of the conveyor bottom plate (301), the left side mounting surface of the equipment pedestal (1) and the right side mounting surface of a torque sensor mounting bracket (501) in the torque sensor clamping device (5) are mounted together, and the upper side plane of the torque sensor mounting bracket (51) is aligned with the upper side plane of the equipment pedestal (1);
the engine clamping device (2) comprises a clamping device bottom plate (201), a clamping device adjusting plate (202), a clamping device supporting block (203), an engine positioning plate (204), a baffle plate (205), a knob bracket (206), an adjusting knob (207), a clamping cylinder bracket (208), a clamping cylinder (209), a cylinder connecting block (210) and an engine clamping block (211), wherein a trapezoidal processing groove of the clamping device bottom plate (201) is matched with a bulge of the clamping device adjusting plate (202), an upper side mounting surface of the clamping device adjusting plate (202) is mounted with a lower side mounting surface of the clamping device supporting block (203), the two clamping device supporting blocks (203) are distributed on the left side and the right side of the clamping device adjusting plate (202), an upper side mounting surface of the clamping device supporting block (203) is mounted with the lower side mounting surface of the engine positioning plate (204), the front side edge of the engine positioning plate (204) is aligned with the front side edge of the clamping device supporting block (203), the rear side mounting surface of the engine positioning plate (204) is mounted with the front side mounting surface of the baffle plate (205), the lower side edge of the baffle plate (205) is aligned with the lower side edge of the engine positioning plate (204), the left side mounting surface of the clamping device bottom plate (201) is mounted with the right side mounting surface of the knob bracket (206), the knob bracket (206) is close to the bottom of the clamping device bottom plate (201), the threaded hole of the knob bracket (206) is matched with the external thread of the adjusting knob (207), the upper side mounting surface of the clamping device adjusting plate (202) is mounted with the lower side mounting surface of the clamping cylinder bracket (208), and the front side mounting surface of the clamping cylinder bracket (208) is mounted with the rear side mounting surface of the clamping cylinder (209), the end part of the extending shaft of the clamping cylinder (209) is connected with a threaded hole of a cylinder connecting block (210), the upper side mounting surface of the cylinder connecting block (210) is mounted with the lower side mounting surface of an engine clamping block (211), and the rear side edge of the engine clamping block (211) is aligned with the rear side edge of the cylinder connecting block (210);
the engine conveying device (3) comprises a conveying device bottom plate (301), a conveying device sliding rail (302), a conveying device sliding block (303), a conveying device sliding plate (304), a conveying device motor support (305), a conveying device motor belt pulley (306), a belt (307), a conveying device screw rod belt pulley (308), a front bearing seat (309), a front bearing (310), a screw rod (311), a screw rod nut (312), a rear bearing seat (313), a rear bearing (314), a screw rod nut connecting block (315) and a conveying device motor (316), wherein an upper mounting surface of the conveying device bottom plate (301) is installed with a lower mounting surface of the conveying device sliding rail (302), the outer side of the conveying device sliding rail (302) is matched with the inner side of the conveying device sliding block (303), and the upper side plane of the conveying device sliding block (303) is installed with the lower side plane of the conveying device sliding plate (304), the lower side mounting surface of the conveying device bottom plate (301) is mounted with the upper side mounting surface of a conveying device motor support (305), the conveying device motor support (305) is close to the front side of the conveying device bottom plate (301), the rear side plane of a vertical plate of the conveying device motor support (305) is mounted with the front side plane of a conveying device motor (316), the excircle of an output shaft of the conveying device motor (316) is matched with the inner hole of a conveying device motor belt pulley (306), the conveying device motor belt pulley (306) and a conveying device screw belt pulley (308) are bound together through a belt (307), the inner hole of the conveying device screw belt pulley (308) is matched with the excircle of the front side of a screw (311), the upper mounting surface of a processing groove of the conveying device bottom plate (301) is mounted with the lower mounting surface of a front bearing seat (309), and the front bearing seat (309) is close to the front side of the conveying device bottom plate (301), the inner circular hole of the front bearing seat (309) is matched with the outer circle of the front bearing (310), the inner hole of the front bearing (310) is matched with the excircle of the screw rod (311), the upper mounting surface of the processing groove of the bottom plate (301) of the conveying device is installed with the lower mounting surface of the rear bearing seat (313), and the rear bearing seat (313) is close to the rear side of the bottom plate (301) of the conveying device, the inner hole of the rear bearing seat (313) is matched with the excircle of the rear bearing (314), the inner hole of the rear bearing (314) is matched with the excircle of the screw rod (311), the outer side thread of the screw rod (311) is matched with the inner side thread of the screw rod nut (312), the excircle of the screw nut (312) is matched with the inner hole of the screw nut connecting block (315), the upper side mounting surface of the lead screw nut connecting block (315) and the lower side mounting surface of the conveying device sliding plate (304) are mounted together;
the engine driving device (4) comprises an engine driving device bottom plate (401), an engine driving device sliding block (402), an engine driving device guide rail (403), a motor mounting bracket (404), a motor mounting plate (405), a driving motor (406), a driving device cylinder bracket (407), a driving device cylinder (408), a driving device cylinder connecting block (409), a torque sensor butt-joint block (410), a buffer spring (411) and a connecting pin (412), wherein the upper mounting surface of the engine driving device bottom plate (401) is mounted with the lower mounting surface of the engine driving device guide rail (403), the outer side of the engine driving device guide rail (403) is matched with the inner side of the engine driving device sliding block (402), the upper mounting surface of the engine driving device sliding block (402) is mounted with the lower mounting surface of the motor mounting bracket (404), the rear side mounting surface of the vertical plate of the motor mounting bracket (404) is mounted with the front side mounting surface of a motor mounting plate (405), the rear side mounting surface of the motor mounting plate (405) is mounted with the front side mounting surface of a driving motor (406), the upper side mounting surface of the engine driving device bottom plate (401) is mounted with the lower side mounting surface of a driving device cylinder bracket (407), the front side mounting surface of the driving device cylinder bracket (407) is mounted with the rear side mounting surface of a driving device cylinder (408), the end part of the extension shaft of the driving device cylinder (408) is connected with a driving device cylinder connecting block (409), the rear side plane of the driving device cylinder connecting block (409) is mounted with the front side plane of the motor mounting bracket (404), the excircle of the output shaft of the driving motor (406) is matched with the inner hole of a torque sensor butt-connecting block (410), the driving motor (406) is connected with the torque sensor butt joint block (410) through a connecting pin (412), and a buffer spring (411) is installed on the inner side of the torque sensor butt joint block (410);
the torque sensor clamping device (5) comprises a torque sensor mounting bracket (501), a torque sensor clamping slide rail (502), a horizontal pushing cylinder bracket (503), a horizontal pushing cylinder (504), a horizontal pushing cylinder connecting block (505), a moving bracket (506), a swinging cylinder mounting plate (507), a swinging cylinder (508), a swinging cylinder connecting head (509), a swinging cylinder hinge pin (510), a rotating shaft (511), a sensor clamping cylinder bracket (512), a sensor clamping cylinder (513), a sensor clamping cylinder connecting head (514), a connecting rod (515), a sensor clamping block (516), a torque sensor (517), a torque sensor clamping slide block (518) and a swinging bracket (519), wherein the upper side mounting surface of the torque sensor mounting bracket (501) and the lower side mounting surface of the torque sensor clamping slide rail (502) are mounted together, the outer side of the torque sensor clamping slide rail (502) is matched with the inner side of a torque sensor clamping slide block (518), the rear side mounting surface of the torque sensor mounting bracket (501) is mounted with the front side mounting surface of a horizontal pushing cylinder bracket (503), the front side mounting surface of the horizontal pushing cylinder bracket (503) is mounted with the rear side mounting surface of a horizontal pushing cylinder (504), the end part of an extension shaft of the horizontal pushing cylinder (504) is mounted with a horizontal pushing cylinder connecting block (505), the right side mounting surface of the horizontal pushing cylinder connecting block (505) is mounted with the left side mounting surface of a moving bracket (506), the upper mounting surface of a left side welding block of the moving bracket (506) is mounted with the lower mounting surface of a swinging cylinder mounting plate (507), the upper mounting surface of the swinging cylinder mounting plate (507) is mounted with the lower mounting surface of a swinging cylinder (508), the end part of an extension shaft of the swing cylinder (508) is connected with a swing cylinder connector (509), the excircle of the cylindrical surface at the upper end of the swing cylinder connector (509) is matched with the inner hole of a swing cylinder hinge pin (510), the cylindrical surface at the rear side of the swing cylinder hinge pin (510) is matched with a long hole of a swing bracket (519), the inner circle of a circular hole of the swing bracket (519) is matched with the excircle of a rotating shaft (511), the rear side plane of the rotating shaft (511) is installed with the front side plane of a moving bracket (506), the front side installation surface of the swing bracket (519) is installed with the rear side installation surface of a sensor clamping cylinder bracket (512), the left side installation surface of the sensor clamping cylinder bracket (512) is installed with the right side installation surface of a sensor clamping cylinder (513), the end part of the extension shaft of the sensor clamping cylinder (513) is connected with a sensor clamping cylinder connector (514), the sensor clamping cylinder joint (514) is coaxially connected with the connecting rod (515), the right end face of the connecting rod (515) is connected with the left end face of the sensor clamping block (516), and the V-shaped processing groove of the sensor clamping block (516) clamps the excircle of the torque sensor (517).
2. The apparatus for testing engine crankshaft gyroscopic torque according to claim 1, wherein: a key groove is formed in the cylindrical surface of a shaft on the front side of the torque sensor butt joint block (410) and matched with an engine input shaft, brass is selected as the material of the torque sensor butt joint block (410), and the surface is smooth and free of burrs.
3. The apparatus for testing engine crankshaft gyroscopic torque according to claim 1, wherein: a machining groove is formed between the clamping device bottom plate (201) and the clamping device adjusting plate (202) in a matched mode, and the position of the engine positioning plate (204) in the left-right direction is finely adjusted by rotating an adjusting knob (207).
4. The apparatus for testing engine crankshaft gyroscopic torque according to claim 1, wherein: the engine clamping block (211) is smooth in surface and free of edges and corners, bearing steel is selected as a material, and hard chromium plating is adopted for surface treatment.
5. The apparatus for testing engine crankshaft gyroscopic torque according to claim 1, wherein: the inner surface of the belt (307) is made of wear-resistant material high-molecular polyethylene.
6. The apparatus for testing engine crankshaft gyroscopic torque according to claim 1, wherein: the material of the sensor clamping block (516) is bearing steel, chemical nickel plating is performed on the surface, and HRC sixty degrees is performed on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341182.0A CN112539860A (en) | 2020-11-25 | 2020-11-25 | Engine crankshaft gyroscopic moment testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341182.0A CN112539860A (en) | 2020-11-25 | 2020-11-25 | Engine crankshaft gyroscopic moment testing arrangement |
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| Publication Number | Publication Date |
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| CN112539860A true CN112539860A (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011341182.0A Withdrawn CN112539860A (en) | 2020-11-25 | 2020-11-25 | Engine crankshaft gyroscopic moment testing arrangement |
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| CN (1) | CN112539860A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113418715A (en) * | 2021-06-22 | 2021-09-21 | 孔祥江 | Automobile engine crankshaft torsional vibration testing device |
| CN114199430A (en) * | 2021-11-19 | 2022-03-18 | 东阳市联宜机电有限公司 | Multi-angle torque measuring device and measuring method thereof |
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