CN103940617A - Axle running-in table - Google Patents
Axle running-in table Download PDFInfo
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- CN103940617A CN103940617A CN201410132724.1A CN201410132724A CN103940617A CN 103940617 A CN103940617 A CN 103940617A CN 201410132724 A CN201410132724 A CN 201410132724A CN 103940617 A CN103940617 A CN 103940617A
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- platform
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- vehicle bridge
- hydraulic cylinder
- protective cover
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Abstract
The invention belongs to the field of axle auxiliary tools for passenger cars, and particularly relates to an axle running-in table. The running-in table comprises a T-shaped rack, the T-shaped rack comprises a clamp frame and a transmission frame which are vertically connected, guide rails are arranged at the bottoms of the two ends of the clamp frame respectively, the guide rails are in sliding connection with a clamp seat, main clamps are arranged at the two ends of the top of the clamp seat respectively, an auxiliary clamp is arranged at the midpoint of the top of the clamp seat, and the bottom of the clamp seat is connected with a piston rod of a first hydraulic cylinder at the bottom of the midpoint of the clamp frame. A variable-frequency motor is arranged on the transmission frame, the variable-frequency motor is connected with one end of a transmission shaft, and a flange is arranged at the other end of the transmission shaft. The axle running-in table is reasonable in design, and can be used for running drive axle assemblies of different types, the basic functions of whether axle braking, differentials and main reduction transmission carry out knocking or not and the like are detected, the labor intensity of workers is lowered, and axle running-in efficiency is improved.
Description
Technical field
The invention belongs to passenger vehicle Rear-Axle Test field of tool, be specifically related to a kind of vehicle bridge running-in platform.
Background technology
Vehicle bridge (also chauffeur axle) is the important component part of automobile chassis running gear, and vehicle bridge is mainly made up of main gearbox assembly, axle case assy, brake assembly three parts.The Main Function of main gearbox assembly is transferring power, changes power direction and drives running car; The skeleton that axle case assy is equivalent to vehicle bridge plays a part supporting other parts and carrying carload; The effect of detent is that service brake, regulation speed are to reach the object of safe driving.
Along with the development of Bus Technology, the security of passenger vehicle, reliability, comfortableness improve day by day, manufacturing requirement and technological level to vehicle bridge are also had higher requirement, large batch of production, before dispatching from the factory for product function, must detect particularly important, therefore, by run-in stand, the correlated performance of axle assembly is detected, guarantee product quality.
The performance that need to meet car load must ensure the highly reliable load-carrying properties of passenger vehicle bridge, braking ability and transmission performance, and ensures low noise operation.
At present, there is following shortcoming in traditional vehicle bridge break-in mode:
1) rotating speed of running-in platform transmission shaft is merely able to by manually setting in advance, can not speed governing between running-in period, be difficult to meet the requirement of different speed ratio different rotating speeds break-in;
2) need to manually readjust special frame for the bridge type of different leaf spring centre distance, the flange between transmission shaft and the transmission shaft of axle main speed reducer is by manually moving and fill, tearing open, and labour intensity is large, and efficiency is low;
3) operation of vehicle bridge period of adjustment is not visible, and the control of running-in time is by manual control, and degree of accuracy is poor.
Summary of the invention
The object of this invention is to provide a kind of vehicle bridge running-in platform, the present invention is reasonable in design, for the dissimilar driving axle assembly of break-in, realizes vehicle bridge braking, differential, the main detection that subtracts transmission and whether knock etc. basic function.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of vehicle bridge running-in platform, described running-in platform comprises T-shaped frame, T-shaped frame comprises fixture stand connected vertically and gear frame, bottom, fixture stand two ends is respectively equipped with guide rail, guide rail and clamping fixture seat are slidably connected, two ends, clamping fixture seat top are respectively equipped with main clamp, and clamping fixture seat top midpoint is provided with auxiliary fixture, and clamping fixture seat bottom is connected with the piston rod of the first hydraulic cylinder that is arranged on fixture stand mid point bottom; Gear frame is provided with adjustable frequency motor, and adjustable frequency motor is connected with transmission shaft one end, and the transmission shaft other end is provided with flange.
Preferably, described gear frame two ends are provided with the slide bar vertical with fixture stand, and slide bar and protective cover are slidably connected, and protective cover is positioned at transmission shaft outside, and protective cover outer wall is provided with handle.
Preferably, on described gear frame vertical direction, be also provided with the second hydraulic cylinder, the piston rod of the second hydraulic cylinder is connected with the bracket of flange below.
Preferably, described transmission shaft is universal shaft coupling.
Preferably, described auxiliary fixture comprises two parallel brackets that set firmly on clamping fixture seat, and two stands connects by rotating shaft, is arranged with chuck in rotating shaft, and chuck one end is fixedly connected with jump ring one end, and the jump ring other end is fixedly connected with clamping fixture seat.
Preferably, described main clamp comprises dop, and dop is installed on the support of auxiliary fixture, and dop is connected with hydraulic pump.
Preferably, be also provided with distance measuring equipment on described clamping fixture seat, distance measuring equipment comprises scale.
Preferably, described running-in platform also comprise control device and add, oil pumping system, control device respectively with the first hydraulic cylinder, the second hydraulic cylinder, hydraulic pump, adjustable frequency motor and add, oil pumping system is connected.
Preferably, described running-in platform also comprises protective cover, and protective cover is arranged on fixture stand two ends.
When work, by overhead traveling crane, axle assembly is hung onto in fixture stand, according to the length of vehicle bridge, control device control the first hydraulic cylinder works, the piston rod of the first hydraulic cylinder promotes corresponding clamping fixture seat, make the pitch enlargement of two clamping fixture seats, vehicle bridge two ends are dropped on respectively between two parallel brackets of auxiliary fixture on clamping fixture seat, the transmission shaft flange that simultaneously ensures axle main speed reducer drops on the bracket of the second hydraulic cylinder piston rod connection, now the chuck of auxiliary fixture rotates around the axis under the pulling of jump ring, axially block vehicle bridge, then control device control hydraulic pump works, make two dops of main clamp radially block vehicle bridge, control device control the second hydraulic cylinder works, the second hydraulic cylinder piston rod raises bracket and rises, bracket drives the transmission shaft flange of main reducing gear and the flange of universal shaft coupling end to rise, make both axial alignment, then the bolt that manually completes two flanges connects, after installing, control device control the second hydraulic cylinder drives bracket to reset.Then manually pull protective cover by the handle on protective cover outer wall, protective cover is slided along slide bar, cover the flange connections of universal shaft coupling and universal shaft coupling and axle main speed reducer transmission shaft.Control device control fuel loading system is added after lubricating oil in vehicle bridge, controls adjustable frequency motor and rotates, and adjustable frequency motor drives universal shaft coupling to rotate, and indirectly drives the main gearing-down axle of vehicle bridge to rotate, and carries out break-in.Operating personnel can detect by hand-held speed instrument the rotating speed on vehicle bridge two side wheel limits, the noise of axle assembly can be detected by sound meter; Detect the temperature rise of vehicle bridge by infrared thermometer, and detect the functions such as vehicle bridge braking and differential.
After running-in test finishes, the stall of control device control adjustable frequency motor, pull open protective cover and make its reset, control device control the second hydraulic cylinder drives bracket to rise, control hydraulic pump closes simultaneously, main clamp stops clamping, the bolt of the flange connections of manually dismantle universal shaft coupling and axle main speed reducer transmission shaft; Control device control oil pumping system fast lubricating oil in vehicle bridge is extracted out and after filtering lubricating oil wait for and reusing; By overhead traveling crane, the vehicle bridge after break-in is transported, waited for subsequent treatment.
The setting of protective cover and protective cover, prevents that vehicle bridge is in the period of adjustment, and part is not firmly thrown away and hurts sb.'s feelings at a high speed because screwing up.The design of distance measuring equipment, can show the displacement of clamping fixture seat under the first Hydraulic Cylinder by scale on it, these data can be combined with the vehicle bridge model of institute break-in record, in the time again measuring this model vehicle bridge, without debugging, can directly manipulate control device control the first Hydraulic Cylinder clamping fixture seat and move this displacement, increase work efficiency.
The present invention compared with prior art, tool has the following advantages: the present invention is reasonable in design, can be used for the dissimilar driving axle assembly of break-in, realizes vehicle bridge braking, differential, the main detection that subtracts transmission and whether knock etc. basic function, reduce labor strength, improve vehicle bridge break-in efficiency.
Brief description of the drawings
Fig. 1 is structural upright schematic diagram of the present invention;
Fig. 2 is T-shaped frame and bindiny mechanism's structural representation thereof in the present invention;
Fig. 3 is fixture stand and bindiny mechanism's structural representation thereof in the present invention;
Fig. 4 is main and auxiliary clamp structure schematic diagram on clamping fixture seat in the present invention;
Fig. 5 is T-shaped frame and bindiny mechanism's structure schematic top plan view thereof in the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As Figure 1-5, a kind of vehicle bridge running-in platform, described running-in platform comprises T-shaped frame, T-shaped frame comprises fixture stand 1 connected vertically and gear frame 2, fixture stand 1 bottom, two ends is respectively equipped with guide rail 3, guide rail 3 is slidably connected with clamping fixture seat 4, clamping fixture seat 4 two ends, top are respectively equipped with main clamp 6, clamping fixture seat 4 top midpoint are provided with auxiliary fixture 5, auxiliary fixture 5 comprises two parallel brackets 20 that set firmly on clamping fixture seat 4, two stands 20 connects by rotating shaft 22, in rotating shaft 22, be arranged with chuck 21, chuck 21 one end are fixedly connected with jump ring 23 one end, jump ring 23 other ends are fixedly connected with clamping fixture seat 4, described main clamp 6 comprises dop 24, dop 24 is installed on the support 20 of auxiliary fixture 5, dop 24 is connected with hydraulic pump 25, on clamping fixture seat 4, be also provided with distance measuring equipment 15, distance measuring equipment 15 comprises scale 19, and clamping fixture seat 4 bottoms are connected with the piston rod of the first hydraulic cylinder 7 that is arranged on fixture stand 1 mid point bottom, gear frame 2 is provided with adjustable frequency motor 13, adjustable frequency motor 13 is connected with universal shaft coupling 10 one end, universal shaft coupling 10 other ends are provided with flange 11, gear frame 2 two ends are provided with the slide bar vertical with fixture stand 19, slide bar 9 is slidably connected with protective cover 17, and protective cover 17 is positioned at universal shaft coupling 10 outsides, and protective cover 17 outer walls are provided with handle 18, the piston rod that is also provided with the second hydraulic cylinder 14, the second hydraulic cylinders 14 on gear frame 2 vertical directions is connected with the bracket 12 of flange 11 belows.
Running-in platform also comprise control device and add, oil pumping system, control device respectively with the first hydraulic cylinder 7, the second hydraulic cylinder 14, hydraulic pump 25, adjustable frequency motor 13 and add, oil pumping system is connected.
Running-in platform also comprises protective cover 16, and protective cover 16 is arranged on fixture stand 1 two ends.
When work, by overhead traveling crane, axle assembly is hung onto in fixture stand 1, according to the length of vehicle bridge, control device control the first hydraulic cylinder 7 is worked, the piston rod of the first hydraulic cylinder 7 promotes corresponding clamping fixture seat 4, make the pitch enlargement of two clamping fixture seats 4, make vehicle bridge two ends drop on respectively 20 of two parallel brackets of auxiliary fixture 5 on clamping fixture seat 4, the transmission shaft flange that simultaneously ensures axle main speed reducer drops on the bracket 12 of the second hydraulic cylinder 14 piston rods connections, now the chuck 21 of auxiliary fixture 5 22 rotates around the shaft under the pulling of jump ring 23, axially block vehicle bridge, then control device control hydraulic pump 25 is worked, make two dops 24 of main clamp 6 radially block vehicle bridge, control device control the second hydraulic cylinder 14 is worked, the second hydraulic cylinder 14 piston rods raise bracket 12 and rise, bracket 12 drives the transmission shaft flange of main reducing gear and the flange 11 of universal shaft coupling 10 ends to rise, make both axial alignment, then the bolt that manually completes two flanges connects, after installing, control device control the second hydraulic cylinder 14 drives bracket 12 to reset.Then manually pull protective cover 17 by the handle 18 on protective cover 17 outer walls, protective cover 17 is slided along slide bar 9, cover flange 11 junctions of universal shaft coupling 10 and universal shaft coupling 10 and axle main speed reducer transmission shaft.Control device control fuel loading system is added after lubricating oil in vehicle bridge, controls adjustable frequency motor 13 and rotates, and adjustable frequency motor 13 drives universal shaft coupling 10 to rotate, and indirectly drives the main gearing-down axle of vehicle bridge to rotate, and carries out break-in.Operating personnel can detect by hand-held speed instrument the rotating speed on vehicle bridge two side wheel limits, the noise of axle assembly can be detected by sound meter; Detect the temperature rise of vehicle bridge by infrared thermometer, and detect the functions such as vehicle bridge braking and differential.
After running-in test finishes, 13 stalls of control device control adjustable frequency motor, pull open protective cover 17 and make its reset, control device control the second hydraulic cylinder 14 drives bracket 12 to rise, control hydraulic pump 25 closes simultaneously, main clamp 6 stops clamping, the bolt of flange 11 junctions of manually dismantle universal shaft coupling 10 and axle main speed reducer transmission shaft; Control device control oil pumping system fast lubricating oil in vehicle bridge is extracted out and after filtering lubricating oil wait for and reusing; By overhead traveling crane, the vehicle bridge after break-in is transported, waited for subsequent treatment.
The setting of protective cover 17 and protective cover 16, prevents that vehicle bridge is in the period of adjustment, and part is not firmly thrown away and hurts sb.'s feelings at a high speed because screwing up.The design of distance measuring equipment 15, can show the displacement of clamping fixture seat 4 under the first hydraulic cylinder 7 promotes by scale on it 19, these data can be combined with the vehicle bridge model of institute break-in record, in the time again measuring this model vehicle bridge, without debugging, can directly manipulate control device control the first hydraulic cylinder 7 and promote clamping fixture seat 4 and move this displacement, increase work efficiency.
Claims (9)
1. a vehicle bridge running-in platform, it is characterized in that, described running-in platform comprises T-shaped frame, T-shaped frame comprises fixture stand connected vertically and gear frame, bottom, fixture stand two ends is respectively equipped with guide rail, and guide rail and clamping fixture seat are slidably connected, and two ends, clamping fixture seat top are respectively equipped with main clamp, clamping fixture seat top midpoint is provided with auxiliary fixture, and clamping fixture seat bottom is connected with the piston rod of the first hydraulic cylinder that is arranged on fixture stand mid point bottom; Gear frame is provided with adjustable frequency motor, and adjustable frequency motor is connected with transmission shaft one end, and the transmission shaft other end is provided with flange.
2. a kind of vehicle bridge running-in platform as claimed in claim 1, is characterized in that, described gear frame two ends are provided with the slide bar vertical with fixture stand, and slide bar and protective cover are slidably connected, and protective cover is positioned at transmission shaft outside, and protective cover outer wall is provided with handle.
3. a kind of vehicle bridge running-in platform as claimed in claim 1, is characterized in that, on described gear frame vertical direction, is also provided with the second hydraulic cylinder, and the piston rod of the second hydraulic cylinder is connected with the bracket of flange below.
4. a kind of vehicle bridge running-in platform as claimed in claim 1, is characterized in that, described transmission shaft is universal shaft coupling.
5. a kind of vehicle bridge running-in platform as claimed in claim 1, is characterized in that, described auxiliary fixture comprises two parallel brackets that set firmly on clamping fixture seat, two stands connects by rotating shaft, in rotating shaft, be arranged with chuck, chuck one end is fixedly connected with jump ring one end, and the jump ring other end is fixedly connected with clamping fixture seat.
6. a kind of vehicle bridge running-in platform as described in claim 1 or 5, is characterized in that, described main clamp comprises dop, and dop is installed on the support of auxiliary fixture, and dop is connected with hydraulic pump.
7. a kind of vehicle bridge running-in platform as claimed in claim 1, is characterized in that, is also provided with distance measuring equipment on described clamping fixture seat, and distance measuring equipment comprises scale.
8. a kind of vehicle bridge running-in platform as claimed in claim 1, it is characterized in that, described running-in platform also comprise control device and add, oil pumping system, control device respectively with the first hydraulic cylinder, the second hydraulic cylinder, hydraulic pump, adjustable frequency motor and add, oil pumping system is connected.
9. a kind of vehicle bridge running-in platform as claimed in claim 1, is characterized in that, described running-in platform also comprises protective cover, and protective cover is arranged on fixture stand two ends.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410132724.1A CN103940617B (en) | 2014-04-03 | 2014-04-03 | A kind of vehicle bridge running-in platform |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410132724.1A CN103940617B (en) | 2014-04-03 | 2014-04-03 | A kind of vehicle bridge running-in platform |
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CN103940617A true CN103940617A (en) | 2014-07-23 |
CN103940617B CN103940617B (en) | 2016-12-07 |
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CN201410132724.1A Expired - Fee Related CN103940617B (en) | 2014-04-03 | 2014-04-03 | A kind of vehicle bridge running-in platform |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105890906A (en) * | 2014-12-23 | 2016-08-24 | 青岛豪利达汽车设备制造有限公司 | Vehicle axle running-in test bench |
CN106441844A (en) * | 2016-09-22 | 2017-02-22 | 淮南国力液压装备有限公司 | High-speed rice transplanting machine chassis assembly running-in test stand |
CN106482946A (en) * | 2016-09-22 | 2017-03-08 | 淮南国力液压装备有限公司 | A kind of propons loading running-in testing stand |
CN106525414A (en) * | 2016-09-22 | 2017-03-22 | 淮南国力液压装备有限公司 | Loading and running-in test stand for general bridge of farm machinery equipment |
CN106679996A (en) * | 2017-03-09 | 2017-05-17 | 湖北车桥有限公司 | Automobile front axle running-in test bed |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105890906A (en) * | 2014-12-23 | 2016-08-24 | 青岛豪利达汽车设备制造有限公司 | Vehicle axle running-in test bench |
CN106441844A (en) * | 2016-09-22 | 2017-02-22 | 淮南国力液压装备有限公司 | High-speed rice transplanting machine chassis assembly running-in test stand |
CN106482946A (en) * | 2016-09-22 | 2017-03-08 | 淮南国力液压装备有限公司 | A kind of propons loading running-in testing stand |
CN106525414A (en) * | 2016-09-22 | 2017-03-22 | 淮南国力液压装备有限公司 | Loading and running-in test stand for general bridge of farm machinery equipment |
CN106679996A (en) * | 2017-03-09 | 2017-05-17 | 湖北车桥有限公司 | Automobile front axle running-in test bed |
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