CN106840716A - Pulling equipment - Google Patents
Pulling equipment Download PDFInfo
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- CN106840716A CN106840716A CN201710111944.XA CN201710111944A CN106840716A CN 106840716 A CN106840716 A CN 106840716A CN 201710111944 A CN201710111944 A CN 201710111944A CN 106840716 A CN106840716 A CN 106840716A
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- vertical
- threaded rod
- seat
- component
- pulling equipment
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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
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention proposes a kind of pulling equipment, and for rolling stock rolling test, including traction bar assembly, traction bar assembly includes hook bolt, the draw bar that one end is fixedly connected with hook bolt, and is fixedly connected on the connecting seat of the draw bar other end；Also include the movable fixture that traction bar assembly can be driven to be moved along a straight line along three degree of freedom direction, movable fixture includes laterally adjusting component, longitudinally adjusted component and vertical adjustment component, and connecting seat is connected with movable fixture ball pivot.The present invention can accurately measure vehicle unstability critical speed.
Description
Technical field
It is the invention belongs to rolling stock testing equipment technical field more particularly to a kind of for rolling stock rolling test
Pulling equipment.
Background technology
The rolling test of rolling stock is mainly the critical speed of generation Snakes model when test vehicle runs, rolling test
Safe operation of the result to train it is most important.Rolling stock is carried out during rolling test, and steering framing wheel is to rolling examination
Original place running-in on platform is tested, now needs pulling equipment to limit the vehicle free degree in a longitudinal direction, to prevent the car thing that falls
Therefore.
Chinese invention patent CN102435374A discloses a kind of locomotive fixation rolling test rack traction indicator table, including leads
Pilot measurement power apparatus, decelerator and screw rod, traction device for measuring force include be sequentially connected from inside to outside leading truck, force cell,
Traction bars, hitch, reducer shaft are parallel with screw rod, and nut is screwed with screw rod, on the sprocket wheel on reducer shaft and nut
Sprocket wheel connected by chain, one end of screw rod is connected with device for measuring force is drawn, and during work, reducer shaft rotarily drives spiral shell
Mother's rotation, nut rotarily drives screw rod and makees straight reciprocating motion, pulls traction device for measuring force to move back and forth, while completing locomotive wheel
Measured with rail wheel centering and draw bar pull.
However, above-mentioned pulling equipment can not be simulated due to can only realize traction bars along the motion in one direction
To the true traction working condition of rail vehicle, therefore, the Snakes model motion of vehicle is limited, and then can not accurately measure vehicle mistake
Steady critical speed.
The content of the invention
The present invention can not accurately measure the technical problem of vehicle unstability critical speed for existing pulling equipment, propose a kind of
The pulling equipment of vehicle unstability critical speed can accurately be measured.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of pulling equipment, including traction bar assembly, traction bar assembly include hook bolt, and what one end was fixedly connected with hook bolt leads
Draw bar, and the connecting seat for being fixedly connected on the draw bar other end；Also include driving traction bar assembly along three degree of freedom side
To the movable fixture of linear motion, movable fixture includes laterally adjusting component, longitudinally adjusted component and vertical adjustment component,
Connecting seat is hinged with movable fixture.
Preferably, laterally adjusting component includes the cross slide way for transversely setting, the transverse direction on cross slide way is installed on
Mobile base, and the laterally driven part of transverse shifting seat transverse shifting can be driven；Longitudinally adjusted component includes longitudinally disposed
Longitudinal rail, is installed on the seat that vertically moves on longitudinal rail, and can drive and vertically move the zigzag tread patterns that seat is vertically moved
Part；Vertical adjustment component includes the vertical guide rail for vertically setting, and is installed on the vertical Mobile base on vertical guide rail, and can drive
Move the vertical actuator of the vertical vertical movement of Mobile base.
Preferably, laterally adjusting lateral locking part of the component including lockable transverse shifting seat lateral attitude；Adjust longitudinal direction
Whole group part vertically moves the longitudinally locked part of a lengthwise position including lockable；Vertical adjustment component includes the vertical movement of lockable
The vertical locking piece of seat vertical position.
Preferably, ball pivot connection between connecting seat and movable fixture.
Preferably, draw bar includes thread bush, the first threaded rod being threadedly coupled with thread bush and first can be limited
The locking member of relative position between threaded rod and thread bush, the part that the internal thread of thread bush is connected with the first threaded rod external screw thread
It is consistent with the externally threaded rotation direction of the first threaded rod.
Preferably, draw bar also includes the second threaded rod being threadedly coupled with thread bush, the second threaded rod and locking member
Connection, to limit relative position between the second threaded rod and thread bush, the screw thread rotation of the second threaded rod screw thread and the first threaded rod
To conversely, thread bush internal thread is consistent with the externally threaded rotation direction of the second threaded rod with the part that the second threaded rod external screw thread is connected.
Preferably, offering fabrication hole on thread bush outer circumference surface.
Compared with prior art, advantages and positive effects of the present invention are：
Pulling equipment of the present invention enables that traction bar assembly is vertical, transverse direction and longitudinal direction three by setting movable fixture
Displacement on direction is adjustable, to meet the traction requirements of different in width and height vehicle, meanwhile, farthest analog orbit car
The real working condition of connection, and then ensure that the critical Snakes model velocity amplitude measured during vehicle rolling test more truly has
Effect.
Brief description of the drawings
Fig. 1 is the overall structure diagram of pulling equipment of the present invention；
Fig. 2 is the structural representation of hook bolt of the present invention；
Fig. 3 is the internal structure schematic diagram of draw bar of the present invention；
Fig. 4 is the work sheet of pulling equipment of the present invention；
Above in each figure：1st, bar assembly is drawn；11st, hook bolt；111st, the first backing plate；112nd, the second backing plate；113rd, suspension ring；
12nd, draw bar；121st, thread bush；122nd, the first threaded rod；123rd, the second threaded rod；124th, spanner；125th, locking member；13rd, even
Joint chair；2nd, movable fixture；3rd, component is laterally adjusted；31st, cross slide way；32nd, transverse shifting seat；33rd, laterally driven part；34、
Lateral locking part；4th, longitudinally adjusted component；41st, longitudinal rail；42nd, seat is vertically moved；43rd, zigzag tread patterns part；44th, it is longitudinally locked
Part；5th, vertical adjustment component；51st, vertical guide rail；52nd, vertical Mobile base；53rd, vertical actuator；54th, vertical locking piece；6th, quilt
Measuring car；7th, testing stand.
Specific embodiment
Below, the present invention is specifically described by exemplary implementation method.It should be appreciated, however, that not entering one
In the case of step narration, element, structure and features in an implementation method can also be advantageously incorporated into other embodiment
In.
In the description of the invention, it is necessary to explanation, the horizontal direction shown in Fig. 4 is the vertical of pulling equipment of the present invention
To perpendicular to the transverse direction that the direction of Fig. 4 is pulling equipment of the present invention, the vertical direction shown in Fig. 4 is pulling equipment of the present invention
It is vertical；Term " on ", the orientation of the instruction such as D score or position relationship be based on the position relationship shown in accompanying drawing 4, merely to just
Described in the description present invention and simplifying, rather than indicate imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second ", "
Three " it is only used for describing purpose, and it is not intended that indicating or implying relative importance.
Referring to the overall structure diagram that Fig. 1 and Fig. 4, Fig. 1 are pulling equipment of the present invention, Fig. 4 is pulling equipment of the present invention
Work sheet.As shown in Figure 1 and Figure 4, the present invention relates to a kind of pulling equipment, for rolling stock rolling test, including can lead
Draw the traction bar assembly 1 of railway car, and can drive traction bar assembly 1 along three degree of freedom direction move along a straight line can
Mobile device 2, traction bar assembly 1 includes the hook bolt 11 that can be connected with the hook tail of tested vehicle 6, and one end is fixedly connected with hook bolt 11
Draw bar 12, and be fixedly connected on the connecting seat 13 of the other end of draw bar 12, connecting seat 13 is hinged with movable fixture 2；
Movable fixture 2 laterally adjusts component 3 including horizontal (i.e. perpendicular to the direction of Fig. 4) displacement of adjustable traction bar assembly 1, can
The longitudinally adjusted component 4 of longitudinal direction (the horizontal direction i.e. as shown in Figure 4) displacement of regulation traction bar assembly 1, and adjustable traction
The vertical adjustment component 5 of vertical (the vertical direction i.e. as shown in Figure 4) displacement of bar assembly 1.
With further reference to Fig. 1 and Fig. 4, laterally adjusting component 3 includes the cross slide way 31 for transversely setting, and can transversely lead
The transverse shifting seat 32 of the transverse movement of rail 31, and the laterally driven part 33 of transverse shifting 32 transverse shiftings of seat can be driven, laterally
Mobile base 32 is installed on cross slide way 31；Longitudinally adjusted component 4 includes longitudinally disposed longitudinal rail 41, can be led along longitudinal direction
The lengthwise movement of rail 41 vertically moves seat 42, and can drive and vertically move the zigzag tread patterns part 43 that seat 42 is vertically moved, longitudinal direction
Mobile base 42 is installed on longitudinal rail 41；Vertical adjustment component 5 includes the vertical guide rail 51 for vertically setting, and can vertically lead
The vertical Mobile base 52 of the catenary motion of rail 51, and the vertical actuator 53 of the vertical movement of vertical Mobile base 52 can be driven, it is vertical
Mobile base 52 is installed on vertical guide rail 51.
With further reference to Fig. 1 and Fig. 4, component 3 is laterally adjusted including lockable transverse shifting seat 32 on cross slide way
Lateral locking part 34；Longitudinally adjusted component 4 vertically moves seat 42 in the longitudinally locked part 44 on longitudinal rail 41 including lockable；
Vertical adjustment component 5 includes the vertical Mobile base 52 of lockable in the vertical locking piece 54 on vertical guide rail 51.
For above-mentioned cross slide way 31 and the structure of laterally driven part 33, Ke Yiwei：As shown in figure 1, cross slide way 31 is wrapped
The horizontal grooved rail for transversely setting is included, and is arranged at the horizontal leading screw in horizontal grooved rail groove, horizontal leading screw and horizontal grooved rail
Parallel, transverse shifting seat 32 is slidably connected with horizontal grooved rail, and transverse shifting seat 32 is connected with leading screw by lead screw pair；Now, it is horizontal
Can be the handwheel being fixedly connected with leading screw to actuator 33, with 32 transverse movements of seat of manual actuation transverse shifting, or, laterally
Actuator 33 can also be one kind of for servomotor, stepper motor or hydraulic motor, to drive transverse shifting seat 32 automatically
Transverse movement.
In addition, cross slide way 31 can also be horizontal slide rail, transverse shifting seat 32 is slidably connected with horizontal slide rail；Now,
Laterally driven part 33 can be one kind of for cylinder, hydraulic cylinder or linear electric motors.
For the structure of above-mentioned lateral locking part 34, Ke Yiwei：As shown in figure 1, lateral locking part 34 includes being arranged at horizontal stroke
Direction guiding rail 31 along longitudinal side coil the first T-slot rail, the first bolt that head and the first T-slot rail are slidably connected, Yi Jiyu
First nut of the first bolt thread connection, the first T-slot rail is transversely set, the top surface and transverse shifting of the first T-slot rail
The bottom surface contact of seat 32, the notch that 32 bottoms of transverse shifting seat correspond to the first T-slot rail offers first through hole, so that first
The screw rod of bolt is connected through the first T-slot track slot mouthful and first through hole with the first nut thread；When using, by the first bolt head
Portion is stretched in the groove of the first T-slot rail, and the first bolt screw rod passes through the first T-slot track slot mouthful and first through hole and the first spiral shell
Box thread is connected, and tightens the first nut, so that the first nut is crimped on transverse shifting seat 32, now, transverse shifting seat 32 exists
The without motion free degree on cross slide way 31.
For above-mentioned longitudinal rail 41 and the structure of zigzag tread patterns part 43, Ke Yiwei：Longitudinal rail 41 includes being set along longitudinal direction
The longitudinal grooved rail put, and the longitudinal leadscrew in longitudinal grooved rail groove is arranged at, longitudinal leadscrew is parallel with longitudinal grooved rail, and longitudinal direction is moved
Dynamic seat 42 is slidably connected with longitudinal grooved rail, vertically moves seat 42 and is connected by lead screw pair with leading screw；Now, zigzag tread patterns part 43 can
Think the handwheel being fixedly connected with leading screw, the lengthwise movement of seat 42 is vertically moved with manual actuation, or, zigzag tread patterns part 43 may be used also
Think that servomotor, stepper motor or hydraulic motor are one kind of, the lengthwise movement of seat 42 is vertically moved with automatic driving.
In addition, longitudinal rail 41 can also be longitudinal slide rail, vertically move seat 42 and be slidably connected with longitudinal slide rail；Now,
Zigzag tread patterns part 43 can be one kind of for cylinder, hydraulic cylinder or linear electric motors.
For the structure of above-mentioned longitudinally locked part 44, Ke Yiwei：As shown in figure 1, longitudinally locked part 44 is vertical including being arranged at
Second T-slot rail of the transversely side coil of direction guiding rail 41, the second bolt that head and the second T-slot rail are slidably connected, Yi Jiyu
Second nut of the second bolt thread connection, the second T-slot rail is longitudinally disposed, the top surface of the second T-slot rail with vertically move
The bottom surface contact of seat 42, the notch for vertically moving the bottom of seat 42 corresponding to the second T-slot rail offers the second through hole, so that second
The screw rod of bolt is connected through the second T-slot track slot mouthful and the second through hole with the second nut thread；When using, by the second bolt head
Portion is stretched in the groove of the second T-slot rail, and the second bolt screw rod passes through the second T-slot track slot mouthful and the second through hole and the second spiral shell
Box thread is connected, and tightens the second nut, so as to the second nut is crimped on vertically move on seat 42, now, is vertically moved seat 42 and is existed
The without motion free degree on longitudinal rail 41.
For above-mentioned vertical guide rail 51 and the structure of vertical actuator 53, Ke Yiwei：As shown in figure 1, vertical guide rail 51 is wrapped
The vertical grooved rail for vertically setting is included, and is arranged at the vertical leading screw in vertical grooved rail groove, vertical leading screw and vertical grooved rail
Parallel, vertical Mobile base 52 is slidably connected with vertical grooved rail, and vertical Mobile base 52 is connected with leading screw by lead screw pair；Now, hang down
Can be the handwheel being fixedly connected with leading screw to actuator 53, with the vertical catenary motion of Mobile base 52 of manual actuation, or, it is vertical
Actuator 53 can also be one kind of for servomotor, stepper motor or hydraulic motor, to drive vertical Mobile base 52 automatically
Catenary motion.
In addition, vertical guide rail 51 can also be vertical slide rail, vertical Mobile base 52 is slidably connected with vertical slide rail；Now,
Vertical actuator 53 can be one kind of for cylinder, hydraulic cylinder or linear electric motors.
For the structure of above-mentioned vertical locking piece 54, Ke Yiwei：As shown in figure 1, vertical locking piece 34 is vertical including being arranged at
3rd T-slot rail of the transversely side coil of direction guiding rail 51, the 3rd bolt that head and the 3rd T-slot rail are slidably connected, Yi Jiyu
3rd nut of the 3rd bolt thread connection, the 3rd T-slot rail is vertically set, top surface and the vertical movement of the 3rd T-slot rail
The bottom surface contact of seat 52, the notch that the bottom of vertical Mobile base 52 corresponds to the 3rd T-slot rail offers third through-hole, so that the 3rd
The screw rod of bolt is connected through the 3rd T-slot track slot mouthful and third through-hole with the 3rd nut thread；When using, by the 3rd bolt head
Portion is stretched in the groove of the 3rd T-slot rail, and the 3rd bolt screw rod passes through the 3rd T-slot track slot mouthful and third through-hole and the 3rd spiral shell
Box thread is connected, and tightens the 3rd nut, so that the 3rd nut is crimped on vertical Mobile base 52, now, vertical Mobile base 52 exists
The without motion free degree on vertical guide rail 51.
The structure of above-mentioned movable fixture 2 can be：As shown in figure 1, longitudinally adjusted component 4 is arranged at and laterally adjusts component
3 top, longitudinal rail 41 is fixedly connected with transverse shifting seat 32；Vertical adjustment component 5 is arranged at the upper of longitudinally adjusted component 4
Portion, vertical guide rail 51 is fixedly connected with seat 42 is vertically moved, and vertical Mobile base 52 is hinged with the connecting seat 13 of traction bar assembly 1.
It should be noted that on the basis of above-mentioned connected mode, as long as can realize driving traction bar assembly 1 along three
The technique effect of free degree direction linear motion, laterally adjusting can between component 3, longitudinally adjusted component 4 and vertical adjustment component 5
In any combination.
Preferably, the connecting seat 13 of traction bar assembly 1 is connected by ball pivot with movable fixture 2, can be fitted very well with this
Answer head shaking movement during rail vehicle Snakes model, and be likely to occur nod, the action such as side-sway, and then can be more accurate
Measure the critical speed of vehicle unstability.
Referring to Fig. 2, Fig. 2 is the structural representation of hook bolt of the present invention.As shown in Fig. 2 hook bolt 11 is preferably technique hook bolt (such as
Shown in Fig. 2, the hook bolt main part of technique hook bolt keeps the contour curve consistent with the actual hook bolt of rail vehicle), with this entering
One step truly reflects the snakelike unstable motion of vehicle, and then can exactly measure the critical speed of vehicle unstability.
Further as shown in Fig. 2 the preferred structure based on above-mentioned hook bolt, in order to eliminate and the connection of vehicle hook tail after between
Gap, hook bolt 11 is towards being provided with multiple first backing plates 111 on the end face of tested vehicle 6 (broken line construction as shown in Figure 4) hook tail
With the second backing plate 112, combined by first backing plate 111 and the second backing plate 112 of different-thickness with this, reach hook bolt 1 and hook tail
Most compact fiting effect.Further, it is also possible to suspension ring 113 are fixedly installed at the middle part of hook bolt 11, it is easy to hook bolt 11 with this
Lifting.
Referring to Fig. 3, Fig. 3 is the internal structure schematic diagram of draw bar of the present invention.As the improvement of above-mentioned implementation method, this hair
The structure of bright draw bar 12 can be：As shown in figure 3, draw bar 12 includes thread bush 121, it is threadedly coupled with thread bush 121
First threaded rod 122, the second threaded rod 123 being threadedly coupled with thread bush 121, and the first threaded rod 122, second can be limited
The locking member 125 of relative position between threaded rod 123 and thread bush 121, the first threaded rod 122 and the second threaded rod screw thread 123
Thread rotary orientation conversely, the part that is connected with the external screw thread of the first threaded rod 122 of the internal thread of thread bush 121 and the first threaded rod 122
Externally threaded rotation direction is consistent, the part that the internal thread of thread bush 121 is connected with the external screw thread of the second threaded rod 123 and the second threaded rod
123 externally threaded rotation directions are consistent, and fabrication hole is offered on the outer circumference surface of thread bush 121；When using, spanner 124 is stretched into screw thread
In set fabrication hole, spanner 124 is pulled, to drive thread bush 121 to rotate, it is achieved thereby that the adjustment to the length of draw bar 12；This
Outward, locking member 125 can be the locking nut for being arranged at the two ends of thread bush 121, with this when the length adjustment of draw bar 12 is appropriate
Afterwards, by the locking of locking nut, it is ensured that the safety that draw bar 12 is used.
Based on above-mentioned, the operation principle of pulling equipment of the present invention is：As shown in Figure 1 and Figure 4, (such as Fig. 4 of tested vehicle 6 is treated
Shown broken line construction) be positioned on testing stand 7 after, respectively by laterally driven part 33, zigzag tread patterns part 43 and vertical driving
Part 53 drives transverse shifting seat 32, vertically moves seat 42 and vertical Mobile base 52 on vertical, three directions of transverse direction and longitudinal direction
Motion, untill the hook bolt 11 of traction bar assembly 1 effectively connects extension with the hook tail of tested vehicle 6；Respectively by lateral locking part 34,
Longitudinally locked part 44 and the locking transverse shifting of vertical locking piece 54 seat 32, the position for vertically moving seat 42 and vertical Mobile base 52.
From the foregoing, pulling equipment of the present invention by setting movable fixture 2, enables, and traction bar assembly 1 is vertical, horizontal stroke
To and longitudinal direction three directions on displacement it is adjustable, to meet the traction requirements of different in width and height vehicle, meanwhile, at utmost
The real working condition of simulation rail vehicle connection, and then ensure that the critical Snakes model velocity amplitude measured during vehicle rolling test
It is more authentic and valid.
Claims (7)
1. a kind of pulling equipment, including traction bar assembly (1), traction bar assembly (1) include hook bolt (11), one end and hook bolt (11)
The draw bar (12) being fixedly connected, and it is fixedly connected on the connecting seat (13) of draw bar (12) other end, it is characterised in that：Also
Including the movable fixture (2) that traction bar assembly (1) can be driven to be moved along a straight line along three degree of freedom direction, movable fixture (2)
Including laterally adjusting component (3), longitudinally adjusted component (4) and vertical adjustment component (5), connecting seat (13) and movable fixture
(2) it is hinged.
2. pulling equipment according to claim 1, it is characterised in that：Component (3) is laterally adjusted including what is transversely set
Cross slide way (31), is installed on transverse shifting seat (32) on cross slide way (31), and transverse shifting seat (32) can be driven horizontal
To mobile laterally driven part (33)；Longitudinally adjusted component (4) includes longitudinally disposed longitudinal rail (41), is installed on longitudinal direction
Seat (42) is vertically moved on guide rail (41), and can be driven and vertically moved the zigzag tread patterns part (43) that seat (42) is vertically moved；
Vertical adjustment component (5) includes the vertical guide rail (51) for vertically setting, and is installed on the vertical Mobile base on vertical guide rail (51)
(52), and the vertical actuator (53) of vertical Mobile base (52) vertical movement can be driven.
3. pulling equipment according to claim 2, it is characterised in that：Component (3) is laterally adjusted laterally to be moved including lockable
The lateral locking part (34) of dynamic seat (32) lateral attitude；Longitudinally adjusted component (4) vertically moves seat (42) longitudinal direction including lockable
The longitudinally locked part (44) of position；Vertical lock of the vertical adjustment component (5) including lockable vertical Mobile base (52) vertical position
Determine part (54).
4. the pulling equipment according to any one of claim 1-3, it is characterised in that：Connecting seat (13) and movable fixture
(2) ball pivot connection between.
5. the pulling equipment according to any one of claim 1-3, it is characterised in that：Draw bar (12) is including thread bush
(121) the first threaded rod (122) for, being threadedly coupled with thread bush (121) and the first threaded rod (122) and thread bush can be limited
(121) locking member (125) of relative position between, the internal thread of thread bush (121) is connected with the first threaded rod (122) external screw thread
Part it is consistent with the first threaded rod (122) externally threaded rotation direction.
6. pulling equipment according to claim 5, it is characterised in that：Draw bar (12) also includes and thread bush (121) spiral shell
Second threaded rod (123) of line connection, the second threaded rod (123) is connected with locking member (125), to limit the second threaded rod
(123) thread rotary orientation of the relative position and thread bush (121) between, the second threaded rod screw thread (123) and the first threaded rod (122)
Conversely, the part that is connected with the second threaded rod (123) external screw thread of thread bush (121) internal thread and the second threaded rod (123) outer spiral shell
The rotation direction of line is consistent.
7. pulling equipment according to claim 6, it is characterised in that：Technique is offered on thread bush (121) outer circumference surface
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710111944.XA CN106840716B (en) | 2017-02-28 | 2017-02-28 | Traction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710111944.XA CN106840716B (en) | 2017-02-28 | 2017-02-28 | Traction equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106840716A true CN106840716A (en) | 2017-06-13 |
| CN106840716B CN106840716B (en) | 2020-03-06 |
Family
ID=59137075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710111944.XA Active CN106840716B (en) | 2017-02-28 | 2017-02-28 | Traction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106840716B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108438904A (en) * | 2018-04-11 | 2018-08-24 | 中山市鸿菊自动化设备制造有限公司 | A kind of press plate mechanism of disengaging pallet |
| CN108663223A (en) * | 2018-06-21 | 2018-10-16 | 中车青岛四方车辆研究所有限公司 | Pulling test platform |
| CN108731934A (en) * | 2018-07-27 | 2018-11-02 | 中车青岛四方车辆研究所有限公司 | Hitch even hangs range test tool and method |
| CN110954346A (en) * | 2018-09-26 | 2020-04-03 | 株洲中车时代电气股份有限公司 | Traction positioning device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108438904A (en) * | 2018-04-11 | 2018-08-24 | 中山市鸿菊自动化设备制造有限公司 | A kind of press plate mechanism of disengaging pallet |
| CN108438904B (en) * | 2018-04-11 | 2023-03-28 | 浙江华企正邦自动化科技有限公司 | Pressing plate mechanism for plate feeding and discharging table |
| CN108663223A (en) * | 2018-06-21 | 2018-10-16 | 中车青岛四方车辆研究所有限公司 | Pulling test platform |
| CN108731934A (en) * | 2018-07-27 | 2018-11-02 | 中车青岛四方车辆研究所有限公司 | Hitch even hangs range test tool and method |
| CN108731934B (en) * | 2018-07-27 | 2024-03-05 | 中车青岛四方车辆研究所有限公司 | Coupler coupling range test tool and method |
| CN110954346A (en) * | 2018-09-26 | 2020-04-03 | 株洲中车时代电气股份有限公司 | Traction positioning device |
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|---|---|
| CN106840716B (en) | 2020-03-06 |
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