CN112857301A - Differential mechanism row half gear meshing clearance detection device - Google Patents
Differential mechanism row half gear meshing clearance detection device Download PDFInfo
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- CN112857301A CN112857301A CN202110334408.2A CN202110334408A CN112857301A CN 112857301 A CN112857301 A CN 112857301A CN 202110334408 A CN202110334408 A CN 202110334408A CN 112857301 A CN112857301 A CN 112857301A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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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
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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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
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a differential row half gear meshing clearance detection device which comprises an upright post assembly device, an upper measurement device, a torque detection device, a lower measurement device and a conveying line, wherein a positioning tool for bearing a product workpiece of the clearance detection device is arranged on the conveying line. The invention aims to provide a differential gear half-gear meshing clearance detection device, which is used for improving the performance of a whole vehicle, prolonging the service life of a differential, ensuring the production quality of workpieces and reducing the labor intensity.
Description
Technical Field
The invention relates to the technical field of half axle gear clearance detection, in particular to a differential transmission half gear meshing clearance detection device.
Background
In the whole automobile field, the comfort of the whole automobile of a domestic vehicle and a commercial vehicle is ensured, the comfort of the whole automobile is also ensured by the off-road vehicle in addition to the off-road performance, so the requirement on the meshing precision of a transmission gear in a rear axle is higher, if the meshing clearance of the gears is larger, larger noise is generated in the whole transmission process, and meanwhile, the gears are damaged due to knocking among the gears, so the service life of the gears is shortened; if the gear meshing clearance is small, the gear is not stable in the transmission process, heat generated in the operation process is too large, and poor working conditions such as gear ablation and the like are caused, so that the reasonable gear meshing clearance is very important for the whole transmission system.
In traditional measuring methods, the majority is manual measurement, and most of the dial indicators are used as measuring and counting tools, so the measuring precision is insufficient, the precision is poor, the repeatability of the manual measurement is poor, the repair rate is high, the repeated measurement of the differential is not facilitated, the manual measurement is slower, and the manual labor intensity is high.
Disclosure of Invention
The invention aims to provide a differential gear half-gear meshing clearance detection device, which is used for improving the performance of a whole vehicle, prolonging the service life of a differential, ensuring the production quality of workpieces and reducing the labor intensity.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention discloses a differential row half gear meshing clearance detection device which comprises an upright post assembly device, an upper measuring device, a torque detection device, a lower measuring device and a conveying line, wherein a positioning tool for bearing a product workpiece of the clearance detection device is arranged on the conveying line;
the upright post component device is mainly used for strength support and matched installation of the whole device;
the upper measuring device is arranged on the upright post and is connected by a linear guide rail so as to move up and down, and comprises an upper driving cylinder, the upper driving cylinder is connected with a tensioning shaft, and the tensioning shaft is connected with an upper half shaft gear of a workpiece of the tensioning tool through an upper tensioning; the upper driving cylinder pushes the upper displacement sensor to perform gap detection;
the torque detection device is rotatably arranged on the upper measuring device; the torque detection device comprises a driving motor, the driving motor is connected with a speed reducer, is connected with a coupling and a dynamic torque sensor, and is simultaneously connected with a synchronous belt pulley to provide power for the upper measurement device and monitor the rotating torque of a product through the dynamic torque sensor;
the lower measuring device is arranged on the stand column and used for tensioning a lower shell of a workpiece, the lower measuring device comprises a lower measuring slide seat, the lower measuring slide seat is connected with a lower driving cylinder, the lower driving cylinder is connected with a tensioning shaft, the tensioning shaft is connected with a lower tensioning sleeve, the workpiece is tensioned through the lower tensioning sleeve, and meanwhile, the power is transmitted to a torque detecting device on the upper measuring device through the meshing of a half shaft gear and a planetary gear in the workpiece and the output power of the upper measuring device so as to detect the rotating torque.
Furthermore, the upright post component device comprises an upright post arranged on the base, the upright post is connected with a top plate, the top plate is provided with the upper driving cylinder, the side edge of the upright post is provided with the lower driving cylinder, the base is provided with a floating support column, and the upright post, the base and the top plate are arranged in a welding type frame structure so as to effectively ensure the integral rigidity and stability of the equipment; the upper driving cylinder is used for driving the upper measuring device, and the lower driving cylinder is used for driving the lower measuring device.
Furthermore, the upper measuring device comprises a first measuring seat, the first measuring seat is connected with the linear slide rail, a hoisting seat is fixed on the first measuring seat, the hoisting seat is connected with a cylinder joint, a shaft sleeve is connected to the first measuring seat 32 and then connected with a third side shaft through a bearing, and the third side shaft is connected with a driven belt pulley; the first support is arranged on the first measuring seat, and an upper displacement sensor is arranged on the first support; two sides of the measuring seat are provided with upper detection cylinders for driving the measuring seat to move, the upper detection cylinders are connected with the upper self-control cylinder through the cylinder pull seat, the upper self-control cylinder is connected with the tensioning shaft, and the upper half shaft gear of the workpiece is tensioned through the upper tensioning tool; the self-made air cylinder retracts to tension a half shaft gear in a workpiece through an upward tensioning tool, a third side shaft is connected with a first shaft sleeve through a bearing, and then is connected with a driven belt wheel, is connected with a torque detection device through a synchronous belt, and detects rotating torque through rotary motion; the upper self-control cylinder is connected with the cylinder pull seat I, the upper detection cylinder is fixed between the cylinder pull seat I and the measurement seat I, and the expansion shaft connected with the upper self-control cylinder is driven by the expansion of the upper detection cylinder to touch the upper displacement sensor, so that the gap between the upper half shaft gear and the lower half shaft gear in the workpiece is measured.
Further, the torque detection device comprises a motor mounting seat, the motor mounting seat is fixed to the first measuring seat and connected with the main seat, a driving motor is connected with a speed reducer and fixed to the main seat, a coupling and a torque sensor are connected, and a side shaft is connected with the motor mounting seat and drives a synchronous belt pulley to rotate; when the device is used, the driving motor drives the speed reducer to rotate to drive the connecting coupling and the torque sensor to rotate, the connecting side shaft drives the synchronous belt pulley to rotate, the rotating power is transmitted to the driven belt pulley through the synchronous belt, and the rotating torque of a workpiece is detected through the torque sensor.
Further, the lower measuring device comprises a lower measuring sliding seat, a lower sliding table pull plate is arranged on the lower measuring sliding seat, a second measuring seat is connected with the lower measuring sliding seat and fixes a second shaft sleeve, and the second measuring seat is transited to the tensioning shaft through a second bearing connecting side shaft; the lower self-control cylinder is connected with a tensioning shaft and retracts to tension a lower half axle gear of a workpiece through a lower tensioning tool; the lower self-control cylinder is connected with a cylinder pull seat I, and a lower detection cylinder is fixed between the cylinder pull seat I and the lower measurement sliding seat; when the self-control tensioning device is used, the lower self-control cylinder is connected with a tensioning shaft, and the lower self-control cylinder retracts to tension a lower half axle gear in a workpiece through the lower tensioning tool; the rotating power in the upper measuring device is transmitted to the lower tensioning tool through a planetary gear mechanism in the workpiece, the tensioning shaft is connected with the second shaft to rotate, and the rotating torque is detected by matching with the upper measuring device; the lower self-control cylinder is connected with the cylinder pull seat I, and the lower self-control cylinder is connected with the tensioning shaft to touch the lower displacement sensor through the telescopic driving of the lower detection cylinder between the cylinder pull seat I and the lower measurement sliding seat, so that the gap of the lower half axle gear in the workpiece is measured.
The device is further characterized by also comprising a control device, a transmission device and a control device, wherein the control device is used for controlling effective transmission matching of the stand column assembly device, the upper measuring device, the torque detecting device, the lower measuring device and the conveying line; meanwhile, the control device records the gap data of qualified products and the detected rotation moment information on the equipment, so that data check and data tracing of future products are facilitated.
Further, the device also comprises an alarm device; the control device is also used for controlling the torque output by the torque detection device according to the set assembly technical requirements, feeding back the rotation torque of the workpiece through the torque sensor, triggering the upper displacement sensor and the lower displacement sensor by controlling the up-and-down movement of the upper detection cylinder and the lower detection cylinder, detecting the actual gap of the half axle gear in the product, comparing the actual gap with the actually set process theoretical value, if the detected data is in the set numerical range, the workpiece is qualified, and a qualified prompt is made, and if the workpiece is unqualified, a unqualified workpiece prompt is made, and an alarm is made through the alarm device.
Further, the device also comprises a display device which is used for displaying the rotation torque value and automatically drawing a rotation torque curve chart; and displaying the actual gap of the measured workpiece.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention fixes the workpiece by adopting a tensioning mode, drives the tensioned workpiece to rotate by using the driving motor, detects the rotating moment and simulates the normal working state of the differential mechanism by rotation, detects the up-and-down motion of the detection cylinder, detects the clearance of the row half gear by the displacement of the sensor, ensures that each detected qualified product reaches the required process parameters, and detects the rotating moment when the product rotates by the torque sensor, thereby accurately detecting whether the rotating moment value and the clearance meet the set requirements when the workpiece works, and improving the dynamic quality detection effect of the product.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic structural diagram of a differential row half-gear backlash detecting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a pillar assembly apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an upper measuring device according to an embodiment of the present invention, in which the left side drawing is a front view and the right side drawing is a left side view;
FIG. 4 is a schematic structural diagram of a torque detection device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a lower measuring device according to an embodiment of the present invention, in which the left side drawing is a front view and the right side drawing is a left side view;
description of reference numerals: 1-a column assembly device; 2-upper measuring device; 3-torque detection means; 4-lower measuring device; 5-conveying line; 6, a workpiece clamp; 7-a workpiece; a second 8-side shaft; 9-a linear slide; 10-self-control the cylinder; 11-a first tensioning shaft; 12-rising and tightening the tool; 13-upper detection cylinder; 14-an upper displacement sensor; 15-driving the motor; 16-a speed reducer; 17-a coupling; 18-a torque sensor; a 19-side shaft; 20-a synchronous pulley; 21-making a cylinder by oneself; 22-a second tensioning shaft; 23-a lower expansion tool; 24-lower sensing cylinder; 25-lower displacement sensor; 26-upright post; 27-a base; 28-a top plate; 29-upper driving cylinder; 30-lower driving cylinder; 31-floating support columns; 32-measuring seat one; 33-hoisting a base; 34-a cylinder joint; 35-a first shaft sleeve; 36-side shaft three; 37-a driven pulley; 38-support one; 39-cylinder pull seat I; 40-a motor mounting seat; 41-main seat; 42-a synchronous belt; 43-lower measuring slide; 44-a lower sliding table pulling plate; 45-measuring seat two; 46-shaft sleeve two.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1, fig. 1 is a schematic structural diagram illustrating a differential row half gear backlash detecting device according to an embodiment of the present invention.
The embodiment of the invention provides a device for detecting the meshing clearance of half gears of a differential mechanism row, which comprises: the device comprises a column assembly device 1, an upper measuring device 2, a torque detection device 3, a lower measuring device 4 and a conveying line 5, wherein 5 large modules are arranged, and a workpiece clamp 6 used for bearing a detected workpiece 7 is arranged on the conveying line 5.
The upper measuring device 2 is arranged on an upright post 26 in the upright post component device and is connected by a linear slide rail 9, an upper self-made cylinder 10 is controlled to be connected with a first tensioning shaft 11, and an upper half shaft gear of the workpiece 7 is tensioned by an upper tensioning tool 12; the upper detection cylinder 13 is pushed up and down to touch the upper displacement sensor 14, thereby detecting the gap.
A driving motor 15 in the torque detection device 3 drives a speed reducer 16 to rotate, a connecting shaft 17 and a torque sensor 18 are connected to rotate, a side shaft 19 is connected to drive a synchronous belt pulley 20 to rotate, and the rotation torque of the workpiece 7 is detected.
The lower measuring device 4 is arranged on an upright post 26 in the upright post component device and is connected by a linear slide rail 9, a lower self-control cylinder 21 is controlled to be connected with a second tensioning shaft 22, and a lower half axle gear of the workpiece 7 is tensioned by a lower tensioning tool 23; the lower displacement sensor 25 is touched by the vertical pushing of the lower detection cylinder 24, and gap detection is performed.
In the above embodiment, the upper measuring device 2 and the lower measuring device 4 are used for tensioning the workpiece 7, the torque detecting device 3 in the upper measuring device 2 is used for detecting the rotation torque of the workpiece 7, and the detected rotation torque is recorded by feedback of the torque sensor 18, so that the workpiece can be accurately assembled according to the process requirements, the positive real-time rotation torque of the workpiece in the working process can be accurately detected, and the quality of the workpiece is improved.
In order to facilitate understanding of the detection apparatus provided in the embodiments of the present invention, the following detailed description is made with reference to the accompanying drawings and embodiments.
With continued reference to fig. 1, fig. 1 shows a schematic structural diagram of a differential row half-gear backlash detecting device according to an embodiment of the present invention. The device mainly comprises an upright post assembly device 1, an upper measuring device 2, a torque detecting device 3, a lower measuring device 4, a conveying line 5 and the like;
in the detection of the workpiece 7 by the differential row half gear backlash detecting device, first, the conveyor line 5 transfers the workpiece 7 and the workpiece holder 6 to be detected into the detection mechanism. And the lower measuring device 4 is lifted to position the workpiece clamp 6, the workpiece 7 is lifted to a set position and separated from the workpiece clamp 6, the workpiece 7 is tensioned by tensioning tools in the upper measuring device 2 and the lower measuring device 4, the workpiece 7 is driven to rotate by the torque detecting device 3, the actual working state of the workpiece 7 is simulated, the rotating torque detection is carried out, and the gap detection is carried out through the upper displacement sensor and the lower displacement sensor.
Referring to fig. 1 and 2, the column assembly apparatus 1 includes a column 26 mounted above a base 27, a top plate 28 disposed on the column 26, a top driving cylinder 29 mounted on the top plate, a bottom driving cylinder 30 mounted on the side of the column, and a floating support column 31 disposed on the base 27, wherein the column 26, the base 27 and the top plate 28 are arranged in a welded frame structure, and the overall rigidity and stability of the apparatus are effectively ensured.
Referring to fig. 1 and 3 together, the upper measuring device 2 includes: the first measuring seat 32 is connected with the linear slide rail 9, a hoisting seat 33 is fixedly connected with a cylinder joint 34 on the first measuring seat 32, a first shaft sleeve 35 is connected with the first measuring seat 32 and then connected with a third side shaft 36 through a bearing, and the third side shaft 36 is further connected with a driven belt wheel 37; the first support 38 is arranged on the first measuring seat 32, and the upper displacement sensor 14 is arranged on the first support 38; the upper detection cylinders 13 are arranged on two sides of the first measurement seat 32, the first cylinder pull seat 39 is connected with the upper self-control cylinder 10, the upper self-control cylinder 10 is connected with the first tensioning shaft 11, and the upper half shaft gear of the workpiece 7 is tensioned through the upper tensioning tool 12.
When the self-control tensioning device is used specifically, the self-control cylinder 10 is connected with a tensioning shaft I11, and the self-control cylinder 10 retracts to tension a half axle gear in a workpiece 7 through an upper tensioning tool 12; the third side shaft 36 is connected with the first shaft sleeve 35 through a bearing, is connected with a driven pulley 37 and is connected with the torque detection device 3 through a synchronous belt, and detects rotating torque through rotating motion; the self-control cylinder 10 is connected with the cylinder pull seat I39, the upper detection cylinder 13 is fixed between the cylinder pull seat I39 and the measurement seat I32, the expansion shaft I11 connected with the self-control cylinder 10 is driven by the expansion of the upper detection cylinder 13, and the upper displacement sensor 14 is touched to measure the clearance of the upper half shaft gear in the workpiece 7.
Referring to fig. 1, 3 and 4, the torque detection device 3 includes: the motor mounting seat 40 is fixed on the first measuring seat 32, connected with the main seat 41, connected with the speed reducer 16 by the driving motor 15 and fixed on the main seat 41, connected with the coupling 17 and the torque sensor 18, and the connecting side shaft 19 drives the synchronous pulley 20 to rotate.
When the device is used specifically, the driving motor 15 drives the speed reducer 16 to rotate, the connecting coupling 17 and the torque sensor 18 rotate, the connecting side shaft 19 drives the synchronous belt pulley 20 to rotate, the rotating power is transmitted to the driven belt pulley 37 through the synchronous belt 42, and the torque sensor 18 detects the rotating torque of the workpiece 7.
The measuring device 4 with reference to fig. 1 and 5 comprises: a lower sliding table pulling plate 44 is arranged on the lower measuring sliding seat 43, a second measuring seat 45 is connected with the lower measuring sliding seat 43 and a second fixed shaft sleeve 46, and the lower measuring sliding seat is connected with the second side shaft 8 through a bearing and transited to a second tensioning shaft 22; the lower self-control cylinder 21 is connected with the second tensioning shaft 22, and the lower self-control cylinder 21 retracts to tension the lower half-axle gear of the workpiece 7 through the lower tensioning tool 23; the lower self-control cylinder 21 is connected with a cylinder pull seat I39, and a lower detection cylinder 24 is fixed between the cylinder pull seat I39 and the lower measurement sliding seat 43.
When the self-control tensioning device is used specifically, the lower self-control cylinder 21 is connected with the second tensioning shaft 22, and the lower self-control cylinder 21 retracts to tension the lower half axle gear in the workpiece 7 through the lower tensioning tool 23; the rotating power in the upper measuring device 2 is transmitted to the lower tensioning tool 23 through a planetary gear mechanism in the workpiece 7, the tensioning shaft II 22 is connected with the side shaft II 8 to rotate, and the rotating torque is detected by matching with the upper measuring device 2; the lower self-control cylinder 21 is connected with a cylinder pull seat I39, a lower detection cylinder 24 is fixed between the cylinder pull seat I39 and a lower measurement sliding seat 43, the lower self-control cylinder 21 is driven by the lower detection cylinder 24 to be connected with a second tensioning shaft 22, and the lower displacement sensor 25 is touched to measure the gap of the lower half axle gear in the workpiece 7.
As a preferred technical solution, the differential row half-gear meshing gap detection device provided in this embodiment further includes a control device, and the control device can integrally control all the mechanisms in the above mentioned requirements, so that the mechanisms are effectively combined to realize quick and effective work;
still include controlling means, through controlling means stand subassembly device 1, go up measuring device 2, torque detection device 3, measuring device 4, the effective transmission cooperation of transfer chain 5 down to the degree of automation of whole device has been improved. The method specifically comprises the following steps: controlling a drive (an air cylinder or an oil cylinder) in the upright post component device to drive the upper measuring device to slide up and down and drive the torque detecting device to move, controlling the lower measuring device to move up and down, lifting a workpiece to be separated from the tray, and positioning a workpiece clamp by a positioning post pin in the lower measuring device; controlling a floating support in the upright post component device to support the lower measuring device; and the driving motor is controlled to rotate, so that the workpiece is ground in and the rotating torque of the workpiece is detected, and the gap of the workpiece is detected through the detection cylinder.
When the device is used, firstly, the conveying line 5 is controlled to convey the workpiece clamp 6 and the workpiece 7 to a set position of the device; secondly, controlling the lower measuring device 4 to drive the lower measuring device 4 to ascend to a set position through the lower driving cylinder 30, pushing the floating support column 31 to the set position for supporting the lower measuring device 4, controlling the lower self-control cylinder 21 to retract, and tightening the lower half axle gear in the workpiece 7 of the tool 23 through lower expansion; thirdly, controlling the upper driving cylinder 29 to extend out, driving the upper measuring device 2 downwards to a set position, and retracting the upper self-control cylinder 10 to tension the side gear in the workpiece 7 through the upper tensioning tool 12; fourthly, controlling a driving motor 15 in the torque detection device 3 to rotate to drive a planetary gear mechanism in the workpiece 7 to rotate, simulating a working state, and detecting torque through a torque sensor 18; and fifthly, controlling the upper detection cylinder and the lower detection cylinder to stretch and retract to drive the tensioning shaft to touch the upper displacement sensor and the lower displacement sensor, and respectively detecting the clearance between the upper half axle gear and the lower half axle gear in the workpiece 7.
More preferably, the method further comprises the following steps: an alarm device; in some of the above-described actions, when any one of the actions is not qualified, the workpiece 7 is not qualified, and the detection effect of the workpiece 7 is improved. The control device records the qualified gap data of the product 7 and the detected rotation moment information on the equipment, so that the data of the product 7 in the future can be conveniently checked and traced; the control device is also used for controlling the torque output by the torque detection device according to the set assembly technical requirements, feeding back the rotation torque of the workpiece through the torque sensor, triggering the upper displacement sensor and the lower displacement sensor by controlling the up-and-down movement of the upper detection cylinder and the lower detection cylinder, detecting the actual gap of the half axle gear in the product, comparing the actual gap with the actually set process theoretical value, if the detected data is in the set numerical range, the workpiece is qualified, and a qualified prompt is made, and if the workpiece is unqualified, a unqualified workpiece prompt is made, and an alarm is made;
in addition, the device also comprises a display device for displaying the clearance data and the rotating torque; and displaying the rotation torque value and the rotation curve of the workpiece 7 detected by screwing. Therefore, the detection result can be visually observed by the staff.
The control device automatically draws a curve chart of the rotating torque and displays the number of the gap data through the interface, and prompts the qualified window and the unqualified window in the interface through comparison with the set ranges of the rotating torque and the gap data value.
After the detection process is finished, the upper detection cylinder 13 and the lower detection cylinder 24 return to the initial positions; the lower self-control cylinder 21 extends out, the upper self-control cylinder 10 extends out, the floating support column 31 resets, the lower measuring device 4 runs downwards to the original position, the upper measuring device 2 resets, and the workpiece 7 is placed back on the workpiece clamp 6;
the control device is used for controlling the operation of the device according to a preset program: releasing the workpiece clamp 6 bearing the qualified workpiece 7 to the offline position of the qualified product, and taking out the workpiece 7 by a hoisting tool and placing the workpiece 7 into a specified qualified product storage position; and releasing the workpiece clamp 6 bearing the unqualified workpiece 7 to an unqualified product station, and repairing the unqualified product.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. The device for detecting the meshing clearance of the half gears of the differential row is characterized by comprising an upright post assembly device, an upper measuring device, a torque detecting device, a lower measuring device and a conveying line, wherein a positioning tool for bearing a product workpiece of the clearance detecting device is arranged on the conveying line;
the upright post component device is mainly used for strength support and matched installation of the whole device;
the upper measuring device is arranged on the upright post and is connected by a linear guide rail so as to move up and down, and comprises an upper driving cylinder, the upper driving cylinder is connected with a tensioning shaft, and the tensioning shaft is connected with an upper half shaft gear of a workpiece of the tensioning tool through an upper tensioning; the upper driving cylinder pushes the upper displacement sensor to perform gap detection;
the torque detection device is rotatably arranged on the upper measuring device; the torque detection device comprises a driving motor, the driving motor is connected with a speed reducer, is connected with a coupling and a dynamic torque sensor, and is simultaneously connected with a synchronous belt pulley to provide power for the upper measurement device and monitor the rotating torque of a product through the dynamic torque sensor;
the lower measuring device is arranged on the stand column and used for tensioning a lower shell of a workpiece, the lower measuring device comprises a lower measuring slide seat, the lower measuring slide seat is connected with a lower driving cylinder, the lower driving cylinder is connected with a tensioning shaft, the tensioning shaft is connected with a lower tensioning sleeve, the workpiece is tensioned through the lower tensioning sleeve, and meanwhile, the power is transmitted to a torque detecting device on the upper measuring device through the meshing of a half shaft gear and a planetary gear in the workpiece and the output power of the upper measuring device so as to detect the rotating torque.
2. The differential row half gear backlash detecting device according to claim 1, wherein the column assembly device includes a column disposed on a base, the column is further connected to a top plate, the top plate is provided with the upper driving cylinder, a lower driving cylinder is disposed on a side of the column, and a floating support column is disposed on the base, wherein the column, the base and the top plate are disposed by using a welded frame structure to effectively ensure overall rigidity and stability of the device; the upper driving cylinder is used for driving the upper measuring device, and the lower driving cylinder is used for driving the lower measuring device.
3. The differential row half gear backlash detecting device according to claim 2, wherein the upper measuring device includes a first measuring seat connected to the linear slide rail, the first measuring seat is fixed with a lifting seat, the lifting seat is connected to a cylinder joint, a first shaft sleeve is connected to the first measuring seat 32 and then connected to a third side shaft through a bearing, and the third side shaft is connected to a driven pulley; the first support is arranged on the first measuring seat, and an upper displacement sensor is arranged on the first support; two sides of the measuring seat are provided with upper detection cylinders for driving the measuring seat to move, the upper detection cylinders are connected with the upper self-control cylinder through the cylinder pull seat, the upper self-control cylinder is connected with the tensioning shaft, and the upper half shaft gear of the workpiece is tensioned through the upper tensioning tool; the self-made air cylinder retracts to tension a half shaft gear in a workpiece through an upward tensioning tool, a third side shaft is connected with a first shaft sleeve through a bearing, and then is connected with a driven belt wheel, is connected with a torque detection device through a synchronous belt, and detects rotating torque through rotary motion; the upper self-control cylinder is connected with the cylinder pull seat I, the upper detection cylinder is fixed between the cylinder pull seat I and the measurement seat I, and the expansion shaft connected with the upper self-control cylinder is driven by the expansion of the upper detection cylinder to touch the upper displacement sensor, so that the gap between the upper half shaft gear and the lower half shaft gear in the workpiece is measured.
4. The differential row half gear backlash detecting device according to claim 3, wherein the torque detecting device includes a motor mounting seat, the motor mounting seat is fixed to the first measuring seat and connected to the main seat, a driving motor is connected to a speed reducer and fixed to the main seat, a coupling and a torque sensor are connected, and a side shaft is connected to drive the synchronous pulley to rotate; when the device is used, the driving motor drives the speed reducer to rotate to drive the connecting coupling and the torque sensor to rotate, the connecting side shaft drives the synchronous belt pulley to rotate, the rotating power is transmitted to the driven belt pulley through the synchronous belt, and the rotating torque of a workpiece is detected through the torque sensor.
5. The device for detecting the meshing clearance of the traveling half gear of the differential as claimed in claim 4, wherein the lower measuring device comprises a lower measuring slide seat, a lower slide platform pulling plate is arranged on the lower measuring slide seat, a second measuring seat is connected with the lower measuring slide seat and fixes a second shaft sleeve, and the second measuring seat is transited to the tensioning shaft through a second bearing connecting side shaft; the lower self-control cylinder is connected with a tensioning shaft and retracts to tension a lower half axle gear of a workpiece through a lower tensioning tool; the lower self-control cylinder is connected with a cylinder pull seat I, and a lower detection cylinder is fixed between the cylinder pull seat I and the lower measurement sliding seat; when the self-control tensioning device is used, the lower self-control cylinder is connected with a tensioning shaft, and the lower self-control cylinder retracts to tension a lower half axle gear in a workpiece through the lower tensioning tool; the rotating power in the upper measuring device is transmitted to the lower tensioning tool through a planetary gear mechanism in the workpiece, the tensioning shaft is connected with the second shaft to rotate, and the rotating torque is detected by matching with the upper measuring device; the lower self-control cylinder is connected with the cylinder pull seat I, and the lower self-control cylinder is connected with the tensioning shaft to touch the lower displacement sensor through the telescopic driving of the lower detection cylinder between the cylinder pull seat I and the lower measurement sliding seat, so that the gap of the lower half axle gear in the workpiece is measured.
6. The differential row pinion backlash detection device of any one of claims 1 to 5, further comprising control means for controlling the operative drive engagement of the column assembly means, the upper measuring means, the torque detection means, the lower measuring means, and the conveyor line; meanwhile, the control device records the gap data of qualified products and the detected rotation moment information on the equipment, so that data check and data tracing of future products are facilitated.
7. The differential row half gear backlash detecting device according to claim 6, further comprising an alarm device; the control device is also used for controlling the torque output by the torque detection device according to the set assembly technical requirements, feeding back the rotation torque of the workpiece through the torque sensor, triggering the upper displacement sensor and the lower displacement sensor by controlling the up-and-down movement of the upper detection cylinder and the lower detection cylinder, detecting the actual gap of the half axle gear in the product, comparing the actual gap with the actually set process theoretical value, if the detected data is in the set numerical range, the workpiece is qualified, and a qualified prompt is made, and if the workpiece is unqualified, a unqualified workpiece prompt is made, and an alarm is made through the alarm device.
8. The differential row half gear backlash detecting device according to claim 6 or 7, further comprising a display device for displaying the turning torque value and automatically plotting a turning torque graph; and displaying the actual gap of the measured workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110334408.2A CN112857301A (en) | 2021-03-29 | 2021-03-29 | Differential mechanism row half gear meshing clearance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN113310449A (en) * | 2021-06-30 | 2021-08-27 | 浙江联宜电机有限公司 | Gear box meshing clearance detection device and detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113310449A (en) * | 2021-06-30 | 2021-08-27 | 浙江联宜电机有限公司 | Gear box meshing clearance detection device and detection method |
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