CN103419015A - Screwing device for nuts at shaft ends of wheel pairs of motor train unit - Google Patents
Screwing device for nuts at shaft ends of wheel pairs of motor train unit Download PDFInfo
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- CN103419015A CN103419015A CN2012101632476A CN201210163247A CN103419015A CN 103419015 A CN103419015 A CN 103419015A CN 2012101632476 A CN2012101632476 A CN 2012101632476A CN 201210163247 A CN201210163247 A CN 201210163247A CN 103419015 A CN103419015 A CN 103419015A
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Abstract
The invention relates to a screwing device for nuts at shaft ends of wheel pairs of a motor train unit. The screwing device comprises a fixed frame, screwing mechanisms used for screwing the nuts at the shaft ends, a braking and positioning mechanism used for braking and positioning the wheel pairs in the directions of an X axis and a Y axis, and an operating system used for controlling actions of the screwing mechanisms and/or the braking and positioning mechanism. The screwing mechanisms and the braking and positioning mechanism are fixed on the fixed frame. The screwing device is simple in structure, high in anatomization degree and convenient to operate, operating time is shortened greatly, and operating difficulty is reduced. The screwing device allows for automatic screwing and disassembling of large torques of the nuts at the shaft ends, positioning is accurate and rapid, operating difficulty is reduced, a torque value and screwing angle can be preset and controlled automatically, and the assembling requirements can be met even on wheel pairs in different types; the device is free of foundations and convenient to mount, and pipeline operations are facilitated through a gantry passing structure.
Description
Technical field
The present invention relates to a kind of motor train unit wheel set shaft end nut tightening device, belong to rail vehicle manufacturing technology field.
Background technology
Along with the fast development of EMU industry, EMU is more and more come in people's life, and wheel, to being the traveling section of EMUs, is the critical component of EMUs, and relation the safety of car load.The motor train unit wheel set shaft end locking nut is used for fixing and the lock shaft end bearing, guarantee that bearing is not moved in maximum speed 3000rpm situation, for meeting this requirement, axle head locking nut assembling torque must guarantee in (1960～2940) Nm scope, and after locking nut screwing, must tighten angle adjusted to locking nut, conveniently locking nut is fixed.
Current EMUs are newly made and are adopted the conventional manual mounting means, this mounting means is for when prefastening torque reaches 1960Nm, one people's control wheel is controlled frock, the 3rd people to, the second people and is used the high pulling torque spanner to utilize the moment recoil strength to carry out fastening, then according to actual conditions, carry out the axle head locking nut and tighten angle adjustment.The problems such as this kind of method can't guarantee the size of final tightening torque, and exists operation easier large in installation process, and labour intensity is large.
Overhaul of train-set requires lower than newly making, so adopt the shaft end nut assembly machine to be assembled, shaft end nut assembly machine complex structure, automaticity are low more, operating difficulties, and assembly machine can not carry out angle adjustment.With assembly machine installation time and handwork around, so that the shaft end nut assembly machine can not be applied to precision prescribed is high, and require the large batch of EMUs production of newly making.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, provides a kind of simple in structure, easy to operate, and the motor train unit wheel set shaft end nut tightening device of high pulling torque torsion can be provided.
For achieving the above object, technical scheme of the present invention is:
A kind of motor train unit wheel set shaft end nut tightening device, comprise fixed frame, for tighten shaft end nut tighten mechanism, for to wheel to the braking detent mechanism that carries out location on X-axis and Y direction and braking, for controlling the described control system that tightens mechanism and/or the action of braking detent mechanism, describedly tighten mechanism and the braking detent mechanism is fixed on described fixed frame.
Further, described fixed frame is the planer-type truss structure, is provided with the track vertical with described fixed frame below described fixed frame, the described wheel along described track, passing in and out operation area.
Further, the described mechanism that tightens is by tightener, for the axial-adjustment unit of regulating described tightener axial distance with form for the vertical adjusting device of regulating the vertical distance of described tightener.
Further, be provided with detachable replacing at the leading section of described tightener with the supporting swivel nut of described shaft end nut.
Further, described axial-adjustment unit is that take turns axially extended slide rail on the edge be fixed on described fixed frame, described vertical adjusting device is electric hoist or lift, one end and the described slide rail of described electric hoist or lift are slidably connected, and the other end of described electric hoist or lift is connected with described tightener.
Further, described tighten mechanism also comprise one be fixedly mounted on described tightener below for the counter-force wall bracing or strutting arrangement of opposing torque is provided.
Further, described braking detent mechanism comprises positioner and clamps brake apparatus, the telescopic arm that described positioner is a pair of symmetrical setting, the end of each described telescopic arm is connected with and acts on described wheel tread to carry out the contact site of self-centering operation, described clamping brake apparatus is that the other end of described telescopic arm and described clamp are fixedly connected on described fixed frame for clamping described clamp of taking turns brake disc.
Further, described contact site has an arc surface, and described arc surface is in when location and describedly take turns right tread close contact.
Further: between described telescopic arm and described fixed frame, be rotatably connected.
Further, include moment of torsion detection and control module, windup-degree detection and control module, circular arc self-centering control module in described control system, clamp brak control unit, tightener location and driving control unit, data input and output control module, the real-time display unit of data, data storage cell and fault alarm unit.
Content to sum up, a kind of motor train unit wheel set shaft end nut tightening device of the present invention, simple in structure, automaticity is high, easy to operate, can reduce the activity duration in a large number, reduces operation intensity.This device can realize that the high pulling torque of shaft end nut automatically tightens and dismantles, and accurate positioning is quick, has reduced operation intensity, can set in advance torque value and windup-degree and automatically control, even the different model wheel is right, all can guarantee to assemble requirement.This device is without basis, easy for installation, and gantry through type structure is convenient to pipelining.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the front view of Fig. 1.
As depicted in figs. 1 and 2, fixed frame 1, tighten mechanism 2, braking detent mechanism 3, display unit 4, wheel is to 5, tightener 6, counter-force arm bracing or strutting arrangement 7, swivel nut 8, axial-adjustment unit 9, vertical adjusting device 10, positioner 11, clamp brake apparatus 12, telescopic arm 13, contact site 14, wheel tread 15, brake disc 16, clamp 17.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
As depicted in figs. 1 and 2, a kind of motor train unit wheel set shaft end nut tightening device, comprise fixed frame 1, tighten mechanism 2, brake detent mechanism 3, control system.
Wherein, fixed frame 1 is the planer-type truss structure, be provided with the track (not shown) vertical with fixed frame 1 below fixed frame 1, wheel enters operation area along track from a side to 5, after tightening the end of job, wheel flows out operation area along track from opposite side to 5, realizes taking turns the pipelining to 5, improve operating efficiency, reduce workman's labour intensity.And fixed frame 1 adopts the planer-type truss structure, monoblock type is landed installations, without basic, easy for installation.
As depicted in figs. 1 and 2, tightening mechanism 2 is two groups, and symmetry is installed on the fixed frame 1 of wheel to 5 both sides, for tightening respectively the shaft end nut (not shown) of wheel to 5 two ends, can be tightened installation exercise in two ends simultaneously, also can be tightened separately operation by an end.
Every group tightens mechanism 2 and forms by tightener 6, counter-force arm bracing or strutting arrangement 7, axial-adjustment unit 9, vertical adjusting device 10.After wheel clamps 5 location, according to wheel, 5 model is determined to axle length and wheel are to 5 diameters, regulate the axial distance of tightener 6 by axial-adjustment unit 9, tightener 6 and wheel are coordinated suitable to 5 two ends, the vertical distance of regulating tightener 6 by vertical adjusting device 10 again, further tightener 6 is adjusted to the job position of wheel to 5 two ends, vertical adjusting device 10 also provides auxiliary force to tightener 6 simultaneously.
Wherein, as shown in Figure 2, axial-adjustment unit 9 is taken turns 5 axially extended slide rails for the edge be fixed on fixed frame 1, in the present embodiment, vertical adjusting device 10 preferably adopts electric hoist, and an end and the slide rail of electric hoist are slidably connected, and the other end of electric hoist is connected with tightener 6.Electric hoist is along the slide rail transverse shifting, and electric hoist drives the axial distance that tightener 6 moved and then regulated tightener 6, the vertical distance that the lifting of electric hoist drives tightener 6 liftings and then regulates tightener 6.Vertical adjusting device 10 also can adopt the lift (not shown), and the stiff end of lift and slide rail 9 are slidably connected, and the movable end of lift is connected with tightener 6.
By the adjusting of axial-adjustment unit 9 and vertical adjusting device 10, make the axle center of tightener 6 identical to 5 axle center with wheel, finally by tightener 6, tightened operation, and guaranteed to tighten quality.Axial-adjustment unit 9 and vertical adjusting device 10 can manual operations, also can be connected with control system, in the present embodiment, preferably, by the control system automatic operation, carry out axial adjustment distance and vertical adjusting height.
Be provided with detachable replacing at the leading section of tightener 6 with the supporting swivel nut 8 of shaft end nut, can be according to the wheel of different model to 5 shaft end nut specification, change the different swivel nuts 8 that tighten, realize the tightening of different nuts further improved to the versatility of this device.
As shown in Figure 1, a pair of counter-force arm bracing or strutting arrangement 7 is installed below each tightener 6, in tightening process, counter-force arm bracing or strutting arrangement 7 provides opposite force for tightener 6, and restriction tightener 6 motion in the other direction, make to tighten process safety, steadily.
Tightener 6 adopts hydraulic pressure or electronic all can, tightener 6 is connected with control system, controlled the moment of torsion of tightener 6 by control system, realize that wheel tightens function automatically to 5 both sides shaft end nuts, take turns the design requirement to 5 according to difference, moment of torsion generally all will guarantee in (1960～2940) Nm scope, by the control of control system, can design the high pulling torque needed, and then automatically tighten or dismantle shaft end nut according to the moment of torsion arranged.After nut is tightened, need to carry out inching to the windup-degree of shaft end nut, now, can control the required angle of tightener 6 rotation by control system, make shaft end nut meet wheel fully to 5 designing requirements.
As depicted in figs. 1 and 2, braking detent mechanism 3 comprises two groups of positioners 11 and clamps brake apparatus 12, and corresponding wheel arranges each wheel in 5.Positioner 11 is for limiting the displacement of wheel to 5 Y direction, clamp brake apparatus 12 for limiting the displacement of wheel to 5 X-direction, wheel to 5 from a thruster enters operation area, positioner 11 can position 5 wheel automatically, then clamps brake apparatus 12 and automatically wheel is clamped to braking to 5.
As shown in Figure 1, every group of positioner 11 comprises the telescopic arm 13 of two symmetrical settings, in the present embodiment, telescopic arm 13 preferably adopts the fluid pressure type telescopic arm, the end of telescopic arm 13 is one to have the contact site 14 of arc surface, the arc surface of contact site 14 acts on the tread 15 of taking turns 5, with circular arc tread 15 close contacts of taking turns 5.Positioner 11 has the self-centering function, two contact sites 14 are divided into wheel to 5 two circumferential side positions, trailing wheel to 5 circumferential locking wheel to 5, the center of circle of the formed circle of arc surface of two contact sites 14 is identical to 5 the center of circle with wheel, the self-centering of common formation circular arc, guarantee that wheel is consistent with the axis of this tightening device to 5, without human assistance, reduce operation easier.
Four telescopic arms 13 are connected with control system, according to difference wheel, to 5 diameter dimension, by control system, control four telescopic arm 13 synchronization telescopes, thus the wheel of locking different-diameter size to 5 the fixed position on Y direction.
Be rotatably connected between telescopic arm 13 and fixed frame 1, guarantee the arc surface and circular arc tread 15 close contacts of taking turns 5 of contact site 14.
As shown in Figure 2, clamping brake apparatus 12 is the pneumatic or hydraulic clamp 17 to brake disc 16 for pinch wheels, clamp 17 is connected with control system, by the control system control action, behind positioner 11 location, control system is controlled clamp 17 actions, and brake disc 16 is clamped, and apply clamping force, prevent that the operation hour wheel is to 5 rotations.Tighten between operational period at shaft end nut, clamp brake apparatus 12 and all the time wheel is carried out to effective brake to 5, until nut tightens the end of job.
Wheel after 5 two end axles end nuts are tightened operation and complete resets tightener 6, clamps brake apparatus 12 and discharges clamping forces, and positioner 11 lifts, and wheel can be released operation area to 5, carries out next step circulation.
As depicted in figs. 1 and 2, control system mainly consists of Industrial Control Computer, PLC, display unit 4 etc., by the software of special exploitation, realizes the automation of the whole course of work is controlled.Adopt Industrial Control Computer can guarantee the stable of control system, control system disposes the data input/output interface of standard, carries out data typing and data output, to the data of preserving, can be called and check at any time.
Control system all is equipped with display unit 4 at wheel to 5 shaft end nut both sides, and display unit 4 is fixed on the fixed frame 1 of both sides, convenient operation and real time inspection, and control system can carry out the operator scheme that two ends tighten or an end tightens and select.
Include moment of torsion detection and control module, windup-degree detection and control module, circular arc self-centering control module in described control system, clamp brak control unit, tightener location and driving control unit, data input and output control module, the real-time display unit of data, data storage cell and fault alarm unit, to realize that the reality of moment of torsion and windup-degree is advanced to detection and control, reach realization demonstration in real time, store, inquire about and export related data, moment of torsion self checking, reverse the functions such as control and fault alarm step by step.
The wheel that presets different model in control system to 5 needed standard torque values, tighten the technical parameters such as angle, this predefined parameter can be the required number range of Wheelset design requirement, when being tightened operation, control system can the Automatically invoked relevant parameter.
There is user interface on display unit 4, on user interface, wheel for inputting is to technical parameters such as 5 model, numbering, diameters, the predefined relevant parameter of control system Automatically invoked, the user inputs the technical data such as the needed torque value of this subjob, windup-degree by user interface simultaneously, start and tighten mechanism 2 and braking detent mechanism 3, wheel is positioned, clamps and tighten operation automatically to 5.In operation process, control system can detect torque value and windup-degree value in real time, and automatically shows in real time change in torque at user interface, after operation completes, the overall process torque curve is kept in the Industrial Control Computer hard disk automatically, and prints as required output.
Control system, in the windup-degree adjustment process, can automatically detect, shows and preserve lashing force curve, final torque value and adjust angle.In angle fine setting operation task process, when torque value surpasses the requirement of moment of torsion maximum, tighten operation and automatically stop, and reported to the police.
The position that tightens that keeps tightener 6 enters shaft end nut and moves back and unload interface on the user interface of control system, according to interface prompt, can be moved back and unload operation.
Control system is automated system, and operating personnel only need push operation area to 5 by wheel, from user interface, will take turns 5 numbering inputs, and the process of can starting working, the course of work participates in without personnel.
As depicted in figs. 1 and 2, below describe the course of work tightened of this device in detail.
1, by pre-group of shaft end nut at wheel to 5 two ends.
2, to 5, along track from fixed frame, a thruster of 1 enters operation area to the wheel that will organize in advance shaft end nut.
3, will take turns model, the numbering to 5 and the diameter of taking turns 5 inputs in control system by user interface, control system will, according to wheel to the predefined number range of taking turns technical parameters such as torque value, windup-degrees of model Automatically invoked, and be presented on user interface.
4, operating personnel set the needed torque value of this subjob by user interface, as the input torque value is 1960Nm.
5, after starting start button, circular arc self-centering control module in control system is automatically controlled 11 pairs of wheels of positioner and is carried out self-centering to 5, clamping brak control unit in control system is controlled hydraulic clamp 17 actions and is held wheel brake disk mounted 16 tightly immediately, and then pinch wheels is to 5, and apply constant clamping force.In this process, when brake pressure descends, control system can be supplied pressure automatically, until nut tightens the end of job.
6, after wheel clamps 5 location, control system is determined the length of taking turns 5 according to wheel to 5 model, and by wheel, 5 diameter is determined to wheel is to 5 centre-heights, then control system to adjusting device 9 and vertical adjusting device 10, is meshed tightener 6 adjustable axle automatically to 5 two axial ends nuts with wheel.
7, wheel is ready to 5, and control system can drive tightener 6 automatically according to the torque value of input, and shaft end nut is tightened, and automatically detects torque value in operation process and shows in real time change in torque.Tightener 6, when being tightened operation, can pass through counter-force arm bracing or strutting arrangement 7, provides and tightens countertorque.
8, after moment of torsion reaches input requirements, the user interface automatic-prompting shows next step operation, and operating personnel as required, select " work completes " or next step " angle adjustment " function.
9, under " angle adjustment " interface, the personnel that control input the angle trim values needed by user interface, as to input required windup-degree be 1 °, again start tightener 6, until, after moment of torsion and angle all meet to set require, system just can show " work completes " dialog box.
In angle fine setting operation task process, when torque value surpasses the requirement of moment of torsion maximum, tighten operation and automatically stop, and reported to the police.
10,, after operation completes, the operation process information such as torque curve and adjustment angle will be kept in the control system storage device automatically, and print output as required.
11, after wheel tightens operation and completes 5 two end axles end nuts, tightener 6 is resetted, hydraulic clamp 17 discharges clamping forces, and positioner 11 lifts, and wheel can be released operation area along track to 5, carries out next step circulation.
As depicted in figs. 1 and 2, below describe the course of work that this device unclamps in detail.
1, by pre-group of shaft end nut at wheel to 5 two ends.
2, to 5, along track from fixed frame, a thruster of 1 enters operation area to the wheel that will organize in advance shaft end nut.
3, will take turns model to 5, numbering and wheel 5 diameter is inputed in control system by user interface, control system will be according to wheel to the predefined number range of taking turns torque value of model Automatically invoked, and is presented on user interface.
4, operating personnel set the needed torque value of this subjob by user interface.
5, after starting start button, positioner 11 will take turns and be carried out self-centering to 5, control immediately hydraulic clamp 17 and hold tightly and take turns brake disk mountedly 16, and then pinch wheels is to 5, and applies constant clamping force.In this process, when brake pressure descends, control system can be supplied pressure automatically, until nut tightens the end of job.
6, after wheel clamps 5 location, control system is determined the length of taking turns 5 according to wheel to 5 model, and by wheel, 5 diameter is determined to wheel is to 5 centre-heights, then control system to adjusting device 9 and vertical adjusting device 10, is meshed tightener 6 adjustable axle automatically to 5 two axial ends nuts with wheel.
7, wheel is to 5 ready, and shaft end nut tightener 6 can require to carry out shaft end nut according to control system and move back and unload operation, and while unclamping, unclamping moment of torsion can slowly increase, until nut is unclamped.
8, after operation completes, control system can unclamp maximum moment of torsion, unclamp the operation process information such as angle will be kept in system memory device automatically, and print output as required.
9, after wheel tightens operation and completes 5 two end axles end nuts, tightener 6 is resetted, hydraulic clamp 17 discharges clamping forces, and positioner 11 lifts, and wheel can be released operation area along track to 5, carries out next step circulation.
As mentioned above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not break away from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a motor train unit wheel set shaft end nut tightening device, it is characterized in that: comprise fixed frame, for tighten shaft end nut tighten mechanism, for to wheel to the braking detent mechanism that carries out location on X-axis and Y direction and braking, for controlling the described control system that tightens mechanism and/or the action of braking detent mechanism, describedly tighten mechanism and the braking detent mechanism is fixed on described fixed frame.
2. motor train unit wheel set shaft end nut tightening device according to claim 1, it is characterized in that: described fixed frame is the planer-type truss structure, be provided with the track vertical with described fixed frame below described fixed frame, the described wheel along described track, passing in and out operation area.
3. motor train unit wheel set shaft end nut tightening device according to claim 1 is characterized in that: the described mechanism that tightens is by tightener, for the axial-adjustment unit of regulating described tightener axial distance with form for the vertical adjusting device of regulating the vertical distance of described tightener.
4. motor train unit wheel set shaft end nut tightening device according to claim 3 is characterized in that: be provided with detachable replacing at the leading section of described tightener with the supporting swivel nut of described shaft end nut.
5. motor train unit wheel set shaft end nut tightening device according to claim 3, it is characterized in that: described axial-adjustment unit is that take turns axially extended slide rail on the edge be fixed on described fixed frame, described vertical adjusting device is electric hoist or lift, one end and the described slide rail of described electric hoist or lift are slidably connected, and the other end of described electric hoist or lift is connected with described tightener.
6. motor train unit wheel set shaft end nut tightening device according to claim 3 is characterized in that: described tighten mechanism also comprise one be fixedly mounted on described tightener below for the counter-force wall bracing or strutting arrangement of opposing torque is provided.
7. motor train unit wheel set shaft end jack panel tightening device according to claim 1, it is characterized in that: described braking detent mechanism comprises positioner and clamps brake apparatus, the telescopic arm that described positioner is a pair of symmetrical setting, the end of each described telescopic arm is connected with and acts on described wheel tread to carry out the contact site of self-centering operation, described clamping brake apparatus is that the other end of described telescopic arm and described clamp are fixedly connected on described fixed frame for clamping described clamp of taking turns brake disc.
8. motor train unit wheel set shaft end nut tightening device according to claim 7, it is characterized in that: described contact site has an arc surface, and described arc surface is when location and describedly take turns right tread close contact.
9. motor train unit wheel set shaft end nut tightening device according to claim 7, is characterized in that: between described telescopic arm and described fixed frame, be rotatably connected.
10. motor train unit wheel set shaft end jack panel tightening device according to claim 1, is characterized in that: include moment of torsion detection and control module, windup-degree detection and control module, circular arc self-centering control module in described control system, clamp brak control unit, tightener location and driving control unit, data input and output control module, the real-time display unit of data, data storage cell and fault alarm unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210163247.6A CN103419015B (en) | 2012-05-24 | 2012-05-24 | Motor train unit wheel set shaft end nut tightening device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210163247.6A CN103419015B (en) | 2012-05-24 | 2012-05-24 | Motor train unit wheel set shaft end nut tightening device |
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| CN103419015A true CN103419015A (en) | 2013-12-04 |
| CN103419015B CN103419015B (en) | 2015-08-19 |
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| CN201210163247.6A Active CN103419015B (en) | 2012-05-24 | 2012-05-24 | Motor train unit wheel set shaft end nut tightening device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108436512A (en) * | 2018-03-03 | 2018-08-24 | 滁州市成业机械制造有限公司 | A kind of clamping device of achievable lathe automatic open-close |
| CN110125650A (en) * | 2019-06-06 | 2019-08-16 | 航天云网科技发展有限责任公司 | Wheel fixing device and wheel are to assembly tooling |
| CN110958563A (en) * | 2019-11-29 | 2020-04-03 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Multi-axis robot intelligent fastening workshop networking system |
| CN110961898A (en) * | 2019-11-29 | 2020-04-07 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Full-automatic intelligent fastening system and method for multi-axis robot |
| CN111982191A (en) * | 2020-08-11 | 2020-11-24 | 苏州市艾西依钣金制造有限公司 | Automatic detection assembly line for precise metal plate cabinet body |
| CN112657209A (en) * | 2020-12-03 | 2021-04-16 | 云和县双尖玩具配件有限公司 | Device for preventing motor stall collision of toy car |
| CN113043001A (en) * | 2019-12-26 | 2021-06-29 | 齐齐哈尔四达铁路设备有限责任公司 | Intelligent shaft end bolt decomposing device |
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| CN102152106A (en) * | 2011-03-21 | 2011-08-17 | 山东同力达智能机械有限公司 | Shaft end nut assembling system of CRH2 motor train unit |
| CN202804617U (en) * | 2012-05-24 | 2013-03-20 | 南车青岛四方机车车辆股份有限公司 | Screwing device for screw nuts at shaft ends of wheel set of motor train unit |
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| CN101247984A (en) * | 2005-06-06 | 2008-08-20 | 欧洲巴尔纳锅炉公司 | Machine for fixing wheels on vehicles |
| RU2404040C1 (en) * | 2009-05-26 | 2010-11-20 | Общество с ограниченной ответственностью "Транс-Атом" | Installation for dismantling wheel and motor locomotive unit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436512A (en) * | 2018-03-03 | 2018-08-24 | 滁州市成业机械制造有限公司 | A kind of clamping device of achievable lathe automatic open-close |
| CN110125650A (en) * | 2019-06-06 | 2019-08-16 | 航天云网科技发展有限责任公司 | Wheel fixing device and wheel are to assembly tooling |
| CN110958563A (en) * | 2019-11-29 | 2020-04-03 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Multi-axis robot intelligent fastening workshop networking system |
| CN110961898A (en) * | 2019-11-29 | 2020-04-07 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Full-automatic intelligent fastening system and method for multi-axis robot |
| CN110961898B (en) * | 2019-11-29 | 2021-09-10 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Full-automatic intelligent fastening system and method for multi-axis robot |
| CN113043001A (en) * | 2019-12-26 | 2021-06-29 | 齐齐哈尔四达铁路设备有限责任公司 | Intelligent shaft end bolt decomposing device |
| CN111982191A (en) * | 2020-08-11 | 2020-11-24 | 苏州市艾西依钣金制造有限公司 | Automatic detection assembly line for precise metal plate cabinet body |
| CN112657209A (en) * | 2020-12-03 | 2021-04-16 | 云和县双尖玩具配件有限公司 | Device for preventing motor stall collision of toy car |
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| Publication number | Publication date |
|---|---|
| CN103419015B (en) | 2015-08-19 |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |