CN110303332A - A kind of sleeper fastening nut dismounting vehicle - Google Patents
A kind of sleeper fastening nut dismounting vehicle Download PDFInfo
- Publication number
- CN110303332A CN110303332A CN201910744264.0A CN201910744264A CN110303332A CN 110303332 A CN110303332 A CN 110303332A CN 201910744264 A CN201910744264 A CN 201910744264A CN 110303332 A CN110303332 A CN 110303332A
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- car body
- disassembling
- assembling
- downside
- fastening nut
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- 241001669679 Eleotris Species 0.000 title claims abstract description 56
- 238000005183 dynamical system Methods 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of sleeper fastening nut dismounting vehicles, including car body and set on the electric control system of the car body, the car body is equipped with bogie on the downside of both ends along its length, the car body is equipped with track on the downside of middle section along its length, the first driving device being connected with the electric control system is equipped on the upside of the track, it is equipped with the mechanism for assembling-disassembling being connected with the first driving device on the downside of the track, is equipped with liftable impact wrench on the downside of the mechanism for assembling-disassembling.Above-mentioned sleeper fastening nut dismounting vehicle carries out automated job to sleeper fastening nut by mechanism for assembling-disassembling, improves the operating efficiency of dismounting nut, reduces the operating cost of dismounting nut.
Description
Technical field
The present invention relates to road maintainance machinery technical field, in particular to a kind of sleeper fastening nut dismounting vehicle.
Background technique
On the track of city railway vehicle operation, rail is fixed on sleeper surface by fastener, screws on fastener
There is the nut for fastening.
Now at home and abroad, the installation and removal of sleeper fastening nut generally use artificial mode, or further by
The small machines manual teardown such as electric wrench, the labour needed is more, and operating efficiency is extremely low.With the continuous increasing of human cost
Factors, the automated job such as height and highly intensive labour recruitment difficulty have had changed into a kind of development trend.
Therefore, how to provide and a kind of solve existing sleeper fastening nut dismounting operation low efficiency and operating cost height is asked
The technical issues of sleeper fastening nut dismounting vehicle of the automated job of topic is those skilled in the art's urgent need to resolve.
Summary of the invention
The object of the present invention is to provide a kind of sleeper fastening nut dismounting vehicle, by mechanism for assembling-disassembling to sleeper fastening nut into
Row automated job improves the operating efficiency of dismounting nut, reduces the operating cost of dismounting nut.
To achieve the above object, the present invention provides a kind of sleeper fastening nut dismounting vehicle, including car body and is set to described
The electric control system of car body, the car body are equipped with bogie on the downside of both ends along its length, and the car body is along its length
Middle section on the downside of be equipped with track, the first driving device being connected with the electric control system is equipped on the upside of the track, it is described
The mechanism for assembling-disassembling being connected with the first driving device is slidably connected on the downside of track, is equipped with liftable on the downside of the mechanism for assembling-disassembling
Impact wrench.
Preferably, the both ends of the car body along its length are connected with the first drivers' cab and the second drivers' cab respectively, described
The bogie is equipped on the downside of first drivers' cab and second drivers' cab.
Preferably, at least one described bogie is power truck.
Preferably, first drivers' cab and second drivers' cab downside are additionally provided with and are connected with the electric control system
First positioning image processing system, be additionally provided with the fine positioning image being connected with the electric control system on the downside of the mechanism for assembling-disassembling
Processing system.
Preferably, two pairs of impacts are equipped with as axial symmetry using the vehicle body longitudinal direction on the downside of the mechanism for assembling-disassembling to pull
Hand.
Preferably, the end of the impact wrench is equipped with guide sleeve and electromagnet.
Preferably, be equipped on the downside of the mechanism for assembling-disassembling stripper being located between two pairs of impact wrench and with it is described
Electric control system is connected, fills to drive the stripper to stretch out along the width of the carbody direction with the second driving withdrawn
It sets.
Preferably, second driving device is oil cylinder or electric cylinders.
Preferably, the quantity of the mechanism for assembling-disassembling is multiple, and multiple mechanism for assembling-disassembling are arranged along the track to realize
Individually carry out dismounting nut operation.
It preferably, further include set on the car body, the dynamical system being connected with the electric control system and braking system
System, the dynamical system includes that diesel generating set and/or contact net take motor group.
Relative to above-mentioned background technique, sleeper fastening nut dismounting vehicle provided by the present invention include car body and be set to vehicle
The electric control system of body, along the length direction of car body, on the downside of car body both ends be equipped with bogie, along car body length direction,
It is equipped with track on the downside of car body middle section, the first driving device being connected with electric control system, track downside are equipped on the upside of track
Equipped with the mechanism for assembling-disassembling being slidably connected with track, mechanism for assembling-disassembling is connected with first driving device, and being equipped on the downside of mechanism for assembling-disassembling can rise
The impact wrench of drop, the sleeper fastening nut dismounting vehicle by setting of the car body to realize corresponding component, by bogie with
Realize that car body passes through first driving device by track to realize movement of the mechanism for assembling-disassembling along track in the movement of ground rail
To realize the driving moved to mechanism for assembling-disassembling, by electric control system to realize control mechanism for assembling-disassembling movement control impact
Spanner moves to the top of sleeper fastening nut, by impact wrench to realize screwing installation or screwing and tear open for sleeper fastening nut
It unloads, in the operation process of the sleeper fastening nut dismounting vehicle, electric control system controls first driving device and drives changer
Structure orbital motion, and then the top that impact wrench is located at sleeper fastening nut to be dismounted is controlled, impact wrench is directed at sleeper
Decline after fastener nut, and then rotate realization and screw installation or screw disassembly, to sum up, by mechanism for assembling-disassembling to sleeper fastening nut
Automated job is carried out, the operating efficiency of dismounting nut is improved, reduces the operating cost of dismounting nut.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of sleeper fastening nut dismounting vehicle provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of mechanism for assembling-disassembling in Fig. 1.
Wherein:
1- just positions image processing system, 2- bogie, the first drivers' cab of 3-, 4- car body, 5- fine positioning image procossing system
System, 6- mechanism for assembling-disassembling, 7- gauge adjustment mechanism, 8- impact wrench, 9- track, 10- first driving device, the second drivers' cab of 11-,
12- dynamical system, 13- braking system, 14- electric control system, the second driving device of 15-, 16- stripper, 17- electromagnet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 is that the structure of sleeper fastening nut dismounting vehicle provided in an embodiment of the present invention is shown
It is intended to, Fig. 2 is the structural schematic diagram of mechanism for assembling-disassembling in Fig. 1.
In the first specific embodiment, sleeper fastening nut dismounting vehicle provided by the invention include car body 4 and
Set on the electric control system 14 of car body 4, wherein along the length direction of car body 4, be equipped with bogie on the downside of the both ends of car body 4
2, along the length direction of car body 4, it is equipped with track 9 on the downside of the middle section of car body 4, is equipped with and electric control system 14 on the upside of track 9
The first driving device 10 of connection, is equipped with the mechanism for assembling-disassembling 6 connecting with first driving device 10 on the downside of track 9, under mechanism for assembling-disassembling 6
Side is equipped with impact wrench 8, and impact wrench 8 can be with respect to 6 vertical lifting of mechanism for assembling-disassembling.
In the present embodiment, car body 4 is moved by bogie 2 in ground rail, and the control of electric control system 14 first is driven
Dynamic device 10, first driving device 10 drive mechanism for assembling-disassembling 6 under the control of electric control system 14, and mechanism for assembling-disassembling 6 is first
The top of sleeper fastening nut is moved under the driving of driving device 10 along track 9, impact wrench 8 declines after being directed at nut, revolves
Turn to realize dismounting.
Compared to existing artificial dismounting, the sleeper fastening nut dismounting vehicle is by mechanism for assembling-disassembling 6 to sleeper fastening nut
Automated job is carried out, the operating efficiency of dismounting nut is improved, reduces the operating cost of dismounting nut.
Illustratively, the drive form of electric cylinders or cylinder can be used to drive mechanism for assembling-disassembling 6 along rail in first driving device 10
The drive form of electric cylinders or cylinder can also be used to drive the vertical lifting of impact wrench 8 in the movement in road 9, mechanism for assembling-disassembling 6.Except this
In addition, impact wrench 8 is pneumatic impact wrench, and rotation is realized in the form of pneumatic actuation, and then realizes the rotation dismounting of nut.
It should be noted that impact wrench 8 is not belonging to core of the invention improvement, the prior art is please referred to, which is not described herein again.
It in addition to this, further include the dynamical system 12 and system for being set to car body 4 and being connect respectively with electric control system 14
Dynamic system 13.In the present embodiment, electric control system 14 controls dynamical system 12 and moves with motor vehicles bodies 4 in ground rail, electricity
Gas control system 14 controls braking system 13 and realizes car body 4 in the braking of ground rail.
Illustratively, dynamical system 12 either using diesel generation diesel generating set, be also possible to using connecing
It touches net and the contact net of electricity is taken to take motor group, can also be the double acting force mode for taking electricity to combine with contact net using diesel generation.
It should be noted that diesel generating set and contact net take motor group to be not belonging to core of the invention improvement, please refer to existing
Technology, which is not described herein again.
For superior technique effect, along the length direction of car body 4, car body 4 both ends respectively with the first drivers' cab 3 and
Two drivers' cabs 11 are connected, and are equipped with bogie 2 on the downside of the first drivers' cab 3 and the second drivers' cab 11.
In the present embodiment, dynamical system 12 is moved with motor vehicles bodies 4 in ground rail, and the forward direction of car body 4 both may be implemented
Movement, also may be implemented the counter motion of car body 4.On the basis of the direction that car body 4 moves, in 4 forward motion of car body, first
Drivers' cab 3 is located at the head end of car body 4, and the second drivers' cab 11 is located at the tail end of car body 4；In 4 counter motion of car body, the first driver
Room 3 is located at the tail end of car body 4, and the second drivers' cab 11 is located at the head end of car body 4.Under bidirectional-movement, which is torn open
Entrucking has the function of two-way operation, and when switching tracks operation, the sleeper fastening nut dismounting vehicle forward motion is old to complete before switching tracks
The disassembly of fastener nut, the sleeper fastening nut dismounting vehicle counter motion is after switching tracks to complete tightening for new fastener nut.
For superior technique effect, at least one bogie 2 is power truck.In the present embodiment, the first driver
The bogie 2 of 11 downside of room 3 and/or the second drivers' cab is power truck, and electronic-controlled power steering is provided with traction electric machine, so that sleeper
Fastener nut dismounting vehicle has walking power.Power truck can also use hydraulic motor in addition to that can use motor driven
Driving.It should be noted that power truck, which is not belonging to core of the invention, improves content, the prior art is please referred to, here not
It repeats again.
For superior technique effect, it is additionally provided on the downside of the first drivers' cab 3 and the second drivers' cab 11 and electric control system
The first positioning image processing systems 1 of 14 connections, are additionally provided with the fine positioning figure connecting with electric control system 14 on the downside of mechanism for assembling-disassembling 6
As processing system 5.In the present embodiment, the position of 1 Primary Location sleeper fastening nut of image processing system, electric-controlled are just positioned
14 coarse adjustment of system processed moves to rough location to control mechanism for assembling-disassembling 6, and fine positioning image processing system 5 is accurately positioned sleeper fastening
The alignment of impact wrench 8 and sleeper fastening nut is realized in the position of nut, further fine tuning.
Specifically, the downside of the first drivers' cab 3 and the second drivers' cab 11, which is equipped with, just positions image processing system 1,
Just position head end and tail end that image processing system 1 is located at car body 4.Because vehicle may move on the rail of curve, respectively
Position offset is different, just position image processing system 1 can only initial alignment, cannot act as dismounting accurate positionin, with car body 4
The direction of motion on the basis of, the rail two sides of the first positioning image processing system 1 of 4 head end of car body scanning car body, 4 lower section, by sleeper
The approximate location of bolt is transferred to electric control system 14, and electric control system 14 controls mechanism for assembling-disassembling 6 and moves to sleeper bolt
Near, recycle the fine positioning image processing system 5 of 6 downside of mechanism for assembling-disassembling to be accurately positioned sleeper bolt, nut and spiral shell
Bolt is coaxial, further realizes the positioning to sleeper fastening nut.The sleeper fastening nut dismounting vehicle has used image processing techniques
Cooperate dismounting operation, improves Vehicular intelligent degree.
In another specific embodiment, the quantity of mechanism for assembling-disassembling 6 be it is multiple, multiple mechanism for assembling-disassembling 6 are along 9 cloth of track
It sets individually to carry out dismounting nut operation.
In the present embodiment, no matter car body 4 moves forward or backwards, and the first positioning image processing system 1 of 4 head end of car body is swept
The rail two sides for retouching 4 lower section of car body, are transferred to electric control system 14, electrical control system for the approximate location of multiple sleeper bolts
System 14 carries out the intelligent division of labor, and it is attached that electric control system 14 controls the sleeper bolt that multiple mechanism for assembling-disassembling 6 move to corresponding position
Closely, it then is utilized respectively the fine positioning image processing system 5 of 6 downside of multiple mechanism for assembling-disassembling essence is carried out to the sleeper bolt of corresponding position
It determines position, finds out sleeper bolt center, nut is coaxial with bolt, realizes the positioning to multiple sleeper fastening nuts.Further, electric
The impact wrench 8 that gas control system 14 controls mechanism for assembling-disassembling 6 reaches above sleeper bolt, and 8 front end of impact wrench is equipped with guide sleeve,
Nut can be directed to wherein, to overcome small position error to fulfil assignment.
In addition to this, there are two types of work patterns for the tool of mechanism for assembling-disassembling 6 of the sleeper fastening nut dismounting vehicle.In the first mode
In, mechanism for assembling-disassembling 6 follows car body 4 to advance, and every advance certain distance car body 4 just stops, and mechanism for assembling-disassembling 6 starts under car body 4
Side operation, each mechanism for assembling-disassembling 6 are responsible for a certain range of dismounting operation, after each mechanism for assembling-disassembling 6 fulfils assignment, car body
4 move on, and complete a work cycle.In second of mode, car body 4 is low always at the uniform velocity to advance, and mechanism for assembling-disassembling 6 is relatively
Face is static and in 4 downside operation of car body, between the mechanism for assembling-disassembling 6 of 4 tail end of car body and the bogie 2 of tail end there are it is certain away from
From when bogie 2 is close to mechanism for assembling-disassembling 6, mechanism for assembling-disassembling 6 just completes dismounting operation, and mechanism for assembling-disassembling 6 is larger with one at this time
Acceleration fast forwarded through on track 9 by first driving device 10, when proceeding to certain distance, and start to carry out operation,
Complete a work cycle.
In the present embodiment, 6 downside of mechanism for assembling-disassembling is equipped with two pairs of impact wrench 8 by axial symmetry of 4 length direction of car body, changes
Sentence is talked about, and is set altogether on the downside of mechanism for assembling-disassembling 6 there are four impact wrench 8, carries out dismounting operation to two groups of nuts of rail two sides.With
This is similar, and using the set-up mode of such as three pairs six, the four pairs different numbers such as eight, should belong to the present embodiment together illustrates model
It encloses.
For superior technique effect, the end of impact wrench 8 is additionally provided with electromagnet 17, is powered by electromagnet 17 to inhale
Old fastener after attached disassembly nut.
Be equipped with for superior technique effect, on the downside of mechanism for assembling-disassembling 6 stripper 16 that is located between two pairs of impact wrench 8 with
And to drive stripper 16 along 4 width direction of car body stretch out with the second driving device 15 for withdrawing, the second driving device 15 with
Electric control system 14 connects.
Illustratively, the second driving device 15 is the oil cylinder of hydraulic-driven or the electric cylinders of electric drive.
In the present embodiment, when carrying out disassembly operation, old fastener can be automatically placed in using magnetic force or other means
Among route.Specifically, 8 front end electromagnet 17 of impact wrench is powered, magnetic-adsorption irony fastener after having dismantled nut, it will
Irony fastener rises with impact wrench 8, after rising to certain distance, drives stripper 16 to stretch below by the second driving device 15
8 lower part of impact wrench is arrived out, at this time 17 power loss of electromagnet, irony fastener is fallen on stripper 16,15 band of the second driving device
Dynamic stripper 16 is withdrawn, and stripper 16 is mobile to centre, and fastener is placed among route, and subsequent rewinding is facilitated to work.
In installation exercise, just the opposite with the process of disassembly operation, which is not described herein again.Before being tightened in order to ensure nut
Gauge is accurate, gauge adjustment mechanism 7 is increased within the scope of certain distance, gauge adjustment mechanism 7 is according to fine positioning image procossing
The calculated result of system 5 is placed on accurate position after laterally adjusting rail, further ensures the accurate fixed of nut
Position.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Sleeper fastening nut dismounting vehicle provided by the present invention is described in detail above.It is used herein specifically
Principle and implementation of the present invention are described for a example, the present invention that the above embodiments are only used to help understand
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from original of the invention
, can be with several improvements and modifications are made to the present invention under the premise of reason, these improvement and modification also fall into right of the present invention and want
In the protection scope asked.
Claims (10)
1. a kind of sleeper fastening nut dismounting vehicle, which is characterized in that including car body (4) and be set to the electrical of the car body (4)
Control system (14), the car body (4) are equipped with bogie (2) on the downside of both ends along its length, and the car body (4) is along length side
To middle section on the downside of be equipped with track (9), the first drive being connected with the electric control system (14) is equipped on the upside of the track (9)
Dynamic device (10), track (9) downside slidably connect the mechanism for assembling-disassembling (6) being connected with the first driving device (10),
Liftable impact wrench (8) are equipped on the downside of the mechanism for assembling-disassembling (6).
2. sleeper fastening nut dismounting vehicle according to claim 1, which is characterized in that the car body (4) is along its length
Both ends be connected respectively with the first drivers' cab (3) and the second drivers' cab (11), first drivers' cab (3) and second driver
The bogie (2) are equipped on the downside of room (11).
3. sleeper fastening nut dismounting vehicle according to claim 2, which is characterized in that at least one described bogie (2)
For power truck.
4. sleeper fastening nut dismounting vehicle according to claim 2, which is characterized in that first drivers' cab (3) and institute
It states and is additionally provided with the first positioning image processing system (1) being connected with the electric control system (14) on the downside of the second drivers' cab (11),
The fine positioning image processing system (5) being connected with the electric control system (14) is additionally provided on the downside of the mechanism for assembling-disassembling (6).
5. sleeper fastening nut dismounting vehicle according to claim 1, which is characterized in that on the downside of the mechanism for assembling-disassembling (6) with
Car body (4) length direction is that axial symmetry is equipped with two pairs of impact wrench (8).
6. sleeper fastening nut dismounting vehicle according to claim 5, which is characterized in that the end of the impact wrench (8)
Equipped with guide sleeve and electromagnet (17).
7. sleeper fastening nut dismounting vehicle according to claim 5, which is characterized in that set on the downside of the mechanism for assembling-disassembling (6)
Have the stripper (16) being located between two pairs of impact wrench (8) and be connected with the electric control system (14), to
The stripper (16) is driven to stretch out the second driving device (15) with withdrawal along the car body (4) width direction.
8. sleeper fastening nut dismounting vehicle according to claim 7, which is characterized in that second driving device (15) is
Oil cylinder or electric cylinders.
9. sleeper fastening nut dismounting vehicle according to any one of claims 1 to 8, which is characterized in that the mechanism for assembling-disassembling
(6) quantity be it is multiple, multiple mechanism for assembling-disassembling (6) are arranged along the track (9) to realize individually carries out dismounting spiral shell
Female operation.
10. sleeper fastening nut dismounting vehicle according to any one of claims 1 to 8, which is characterized in that further include being set to institute
The dynamical system (12) and braking system (13) stating car body (4), being connected with the electric control system (14), the dynamical system
System (12) includes that diesel generating set and/or contact net take motor group.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744264.0A CN110303332A (en) | 2019-08-13 | 2019-08-13 | A kind of sleeper fastening nut dismounting vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744264.0A CN110303332A (en) | 2019-08-13 | 2019-08-13 | A kind of sleeper fastening nut dismounting vehicle |
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| CN110303332A true CN110303332A (en) | 2019-10-08 |
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| CN201910744264.0A Pending CN110303332A (en) | 2019-08-13 | 2019-08-13 | A kind of sleeper fastening nut dismounting vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360524A (en) * | 2020-03-26 | 2020-07-03 | 中扭科技(重庆)有限公司 | Intelligent fastener bolt torque-fixing robot |
| CN111877066A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper fastener bolt operation device and operation method |
| CN111877065A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper bolt operation vehicle and operation method thereof |
| CN111877064A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper bolt operation device and method |
| CN112779829A (en) * | 2021-01-05 | 2021-05-11 | 中国铁建重工集团股份有限公司 | Control method and control device for fastener operating robot |
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| RU2385377C1 (en) * | 2009-01-11 | 2010-03-27 | Федеральное государственное унитарное предприятие Научно-внедренческий центр "Путевые машины" Федерального агентства железнодорожного транспорта | Device for screwing and unscrewing nuts (screws) of intermediate rail fastening of railroad |
| CN101718066A (en) * | 2009-11-23 | 2010-06-02 | 株洲新通铁路装备有限公司 | Fast rail-exchanging vehicle for jointless track and rail-exchanging method |
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| CN111360524A (en) * | 2020-03-26 | 2020-07-03 | 中扭科技(重庆)有限公司 | Intelligent fastener bolt torque-fixing robot |
| CN111360524B (en) * | 2020-03-26 | 2021-08-06 | 中扭科技(重庆)有限公司 | Intelligent fastener bolt torque-fixing robot |
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| CN111877065A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper bolt operation vehicle and operation method thereof |
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