CN106984969A - Sliding plug door of motor train unit system installation device - Google Patents
Sliding plug door of motor train unit system installation device Download PDFInfo
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- CN106984969A CN106984969A CN201710284883.7A CN201710284883A CN106984969A CN 106984969 A CN106984969 A CN 106984969A CN 201710284883 A CN201710284883 A CN 201710284883A CN 106984969 A CN106984969 A CN 106984969A
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- 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
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Sliding plug door of motor train unit system installation device belongs to the accurate mounting technique field of door of railway vehicle system, and it includes：Movable doorframe clamping mechanism for the movable doorframe of stopping sliding door to be carried out to clamping fixation, drive mechanism height positioning mechanism for the drive mechanism of stopping sliding door to be carried out to altitude location, car body internal upper part detent mechanism for the top of movable doorframe clamping mechanism install to positioning, for the bottom of movable doorframe clamping mechanism to be carried out to install bottom detent mechanism in the car body of positioning, and for the equipment frame of stopping sliding door install to the equipment frame installing mechanism of positioning.The disposable installation positioning of the achievable sliding plug door system of the present invention, installation accuracy and installation effectiveness are improved；Movable doorframe clamping mechanism and equipment frame installing mechanism are bilateral symmetry, the respective outer side edges of equipment frame installing mechanism and movable doorframe clamping mechanism, set of device positioning can be realized and the function of left and right sides sliding plug door system is installed, practicality and versatility enhancing.
Description
Technical field
The invention belongs to the accurate mounting technique field of door of railway vehicle system, and in particular to a kind of sliding plug door of motor train unit
System installation device.
Background technology
As shown in Figure 1 to Figure 3, the sliding plug door system 1 of existing domestic EMUs includes movable doorframe 1-1, is embedded in activity
Door-plate (being not drawn into figure), equipment frame 1-2 and drive mechanism 1-3 inside doorframe 1-1, drive mechanism flap seat 1-3-1 pass through vertical
It is connected to strip hole 1-3-1-2 with car body, drive mechanism 1-3 passes through horizontal strip hole 1-3-1-1 and drive mechanism flap seat 1-3-1
Connection.During installation, it is necessary to ensure locus between movable doorframe 1-1, equipment frame 1-2 and drive mechanism 1-3 three and its
Matching relationship, to avoid the occurrence of because sliding plug door system installation site is inaccurate and causes the quality problems of vehicle poor sealing.
Existing sliding plug door of motor train unit system mounting process is by movable doorframe 1-1, equipment frame 1-2 and drive mechanism 1-3
Three is individually installed, and implements to pacify using manual gage or using the method for the multiple benchmark of simple gage measuring, multiple bearing
Dress, it is difficult to ensure the locus between movable doorframe 1-1, equipment frame 1-2 and drive mechanism 1-3 three and its matching relationship,
Fully rely on experience to adjust the installation site of three repeatedly, installed to sliding plug door system and bring extreme difficulties, installation accuracy and
Installation effectiveness is low.
After sliding plug door system 1 is accurately installed, a L-shaped end face 1-2-1 on equipment frame 1-2, No. two L-shaped end face 1-2-2,
No. three L-shaped end face 1-2-3, No. four L-shaped end face 1-2-4, the relative positions of No. five L-shaped end face 1-2-5 respectively with movable doorframe 1-1
Relation determines that drive mechanism 1-3 drive mechanism flap seat 1-3-1 and movable doorframe 1-1 relative position relation are also determined.This hair
It is bright by using the relative position relation of above-mentioned determination as positioning datum, to ensure movable doorframe 1-1, equipment frame 1-2 and drive mechanism
Locus and its matching relationship between 1-3 three, realize movable doorframe 1-1, equipment frame 1-2 and drive mechanism flap seat 1-3-
1 disposable installation positioning.
The content of the invention
In order to solve the installation accuracy and the low technical problem of installation effectiveness that the multiple installation method of existing single-piece is present, this hair
It is bright that a kind of sliding plug door of motor train unit system installation device is provided.
The technical solution adopted for solving the technical problem of the present invention is as follows：
Sliding plug door of motor train unit system installation device, it includes：For the movable doorframe of stopping sliding door to be carried out into clamping fixation
Movable doorframe clamping mechanism, the drive mechanism height positioning mechanism for the drive mechanism of stopping sliding door to be carried out to altitude location, is used
In the car body internal upper part detent mechanism that the top of movable doorframe clamping mechanism install to positioning, for by movable doorframe clamping
The bottom of mechanism carries out installing bottom detent mechanism in the car body of positioning, and for carrying out the equipment frame of stopping sliding door to install fixed
The equipment frame installing mechanism of position；On drive mechanism height positioning mechanism is arranged in the top of movable doorframe clamping mechanism, car body
Portion's detent mechanism is arranged on bottom detent mechanism in the top of movable doorframe clamping mechanism, car body and is arranged on movable doorframe clamping machine
The bottom of structure, equipment frame installing mechanism is arranged on the left side or right side of movable doorframe clamping mechanism.
Above-mentioned movable doorframe clamping mechanism include rectangular frame, the profile-followed supporting construction of doorframe, multiple doorframe both sides binding clasp,
Two top columns, two lower poles, two sidepiece binding clasps, two top car body top-fasteners, two bottom car bodies are held out against
Device, two doorframe top active grabs, two doorframe upper seats, two doorframe bottom active grabs, two doorframe bottom branch
Seat, two top active grabs, two top positioning supports, two upper latch, two altitude location bearings, two height are inserted
Pin, two fixed seats, two L-shaped latches, two bottom active grabs, two bottom positioning supports, two bottom latches, four
Bearing, two pressing wheel mechanisms, four positioning seats and two hoisting boards；Rectangular frame is square on the ground by four seat supports,
The profile-followed supporting construction of doorframe is symmetrically fixed on the side of left and right two of rectangular frame, the shape of the profile-followed supporting construction supporting surface of doorframe
Shape is identical by the shape of supporting surface with movable doorframe；Multiple doorframe both sides binding clasp is symmetrically fixed on the left and right two of rectangular frame
On longeron, the pinching end of each doorframe both sides binding clasp is respectively positioned on the surface of the profile-followed supporting construction of doorframe；Two top columns
It is fixed on the entablature of rectangular frame, two lower poles are fixed on the sill of rectangular frame, two sidepiece binding clasps
It is fixed on the longeron side of left and right two of rectangular frame, two top car body top-fasteners are fixed on the two of rectangular frame entablature
End, two bottom car body top-fasteners are fixed on the two ends of rectangular frame sill；Two doorframe upper seats are fixed on rectangle frame
On the entablature of frame, two doorframe top active grabs, which are corresponded, is fixed on two relative side end faces of top stud
On, the compression end of two doorframe top active grabs corresponds the surface for being placed in two doorframe upper seats；Two doorframes
Lower seat is fixed in the end face outside of rectangular frame sill, and two doorframe bottom active grabs are fixed on rectangular frame
On sill, the compression end of two doorframe bottom active grabs corresponds the surface for being placed in two doorframe lower seats；Two
Individual top positioning support, which is corresponded, is fixed on two top columns towards on the side end face inside rectangular frame, and two tops are fast
Fast clamp corresponds the one end for being fixed on two top positioning supports, and two upper latch, which are corresponded, is fixed on two tops
The other end of positioning support；Two altitude location bearings, which are corresponded, is fixed on two top columns dorsad inside rectangular frame
On side end face, two height latches, which are corresponded, to be fixed on two altitude location bearings；Two fixed seats, which are corresponded, fixes
In two top columns towards on the side end face of rectangular frame longeron, two L-shaped latches are fixed on the outer of rectangular frame entablature
On side end face；Two bottom positioning supports, which are corresponded, to be fixed on the top end face of two lower poles, two bottom quick clips
Pincers correspond the one end for being fixed on two bottom positioning supports, and two bottom latches, which are corresponded, is fixed on two bottom positioning
The other end of bearing；Two pressing wheel mechanisms, which are corresponded, to be fixed on two relative side end faces of two lower pole positions, and two
Individual pressing wheel mechanism can be relative to 90 degree of rotational positionings of lower pole；Four positioning seats are symmetrically fixed on two of rectangular frame two-by-two
On longeron, two hoisting boards are fixed on the entablature two ends of rectangular frame.
The above-mentioned profile-followed supporting construction of doorframe includes multiple profile-followed support blocks, and multiple profile-followed support blocks are symmetrically fixed on rectangle frame
On the side of two longerons of frame, the shape of the supporting surface that multiple profile-followed support blocks are constituted is with movable doorframe by the shape phase of supporting surface
Together, the number of multiple profile-followed support blocks is identical with the number of multiple doorframe both sides binding clasp.
Above-mentioned pressing wheel mechanism includes pinch roller limit base, pinch roller, apart from adjusting screw structure and rotation adjusting screw structure；Pressure
Limit base is taken turns at one angle provided with manhole, on the periphery of manhole provided with two spacer pins, two spacer pins
Center is respectively 90 degree with the angle of manhole circle center line connecting；Pinch roller is fixed on apart from adjusting screw structure screw by axle bed
The bottom at end, is rectangular parallelepiped structure apart from the screw profile of adjusting screw structure, and the screw profile of rotation adjusting screw structure is
Cylindrical structural, the screw end of rotation adjusting screw structure is vertically fixed in the screw end side surface of adjusting screw structure,
Apart from adjusting screw structure a circular groove is being provided with rotation adjusting screw structural attachments position directly below；Two bottoms
Column is respectively provided with a wire master hole on its relative inner face, and two lower poles are each on the side relative with respective wire master hole
Provided with a screw hole, the wire master hole in same lower pole is overlapped with the axis of screw hole；Pinch roller limit base is fixed on
On lower pole side, and the axis of manhole is set to be overlapped with the axis of wire master hole；Rotate the screw end of adjusting screw structure
Sequentially pass through and lower pole is inserted after manhole and wire master hole, the screw mandrel end of rotation adjusting screw structure is inserted by screw hole
It is threadedly coupled after lower pole with screw end.
Above-mentioned positioning seat includes vertical plate, level board and pin, and vertical plate is in T shape connected with level board, and pin is connected in perpendicular
On the lateral surface of straight panel one end, level board is fixed on longeron bottom surface, and the medial surface of the vertical plate other end is connected in side rail inner
On face.
Above-mentioned drive mechanism height positioning mechanism includes U-shaped beam, two connecting seats and two altitude location active grabs, U
The horizontal beam sides of ellbeam is provided with two pin-and-holes, and one end of two connecting seats is fixed on the top of the vertical beam of U-shaped beam, two companies
The other end of joint chair is provided with multiple screws；The fixing end of two altitude location active grabs is fixed on the bottom surface of U-shaped beam horizontal beam
On.
Above-mentioned car body internal upper part detent mechanism is I-shape construction, and the beam in the middle of it is provided with two groups of top dowel holes,
The spacing of every group of top dowel hole is equal to the spacing of two upper latch.
Bottom detent mechanism is I-shape construction in above-mentioned car body, and the beam in the middle of it is provided with two groups of bottom dowel holes,
The spacing of every group of bottom dowel hole is equal to the spacing of two bottom latches.
The said equipment frame installing mechanism includes long longeron, tee girder, two flap seats, multiple bases, four rectangular slabs, one
Number square column, No. two square columns, No. three square columns, No. four square columns, No. five square columns, four equipment frames are quick
Clamp, two square plates, two L shaped plates, two No. two L shaped plates, two No. three L shaped plates, two No. four L shaped plates, two five
Number L shaped plate；One end of long longeron and the vertical end of tee girder are connected, and two are played the horizontal ends that flap seat is connected in tee girder, multiple bottoms
Seat is connected on the bottom surface of long longeron；Four rectangular slabs two for one group, every group of two rectangular slabs it is parallel be connected in it is same
On base, each rectangular slab is provided with a U-shaped pin-and-hole, the openings of two U-shaped pin-and-holes of every group of rectangular slab in the side at middle part
To identical；Four equipment frame active grabs two are connected in two squares for one group, every group of two equipment frame active grabs are parallel
The bottom of shape plate；Number square column, No. two square columns, No. three square columns, No. four square columns, No. five square columns are equal
On the upper surface for being fixed on long longeron, two L shaped plates are symmetrically fixed on the top of a square column by connector
Both sides, two No. two L shaped plates are symmetrically fixed on the top both sides of No. two square columns, two No. three L shaped plates by connector
The top both sides of No. three square columns are symmetrically fixed on by connector, two No. four L shaped plates are symmetrically solid by connector
It is scheduled on the top both sides of No. four square columns, two No. five L shaped plates are symmetrically fixed on No. five square columns by connector
Top both sides；The short side plate of each L shaped plate is provided with least one screw；A number L shaped plate of the same side, No. two L shaped plates, No. three
L shaped plate, No. four L shaped plates, No. five adjacent spacing between the two of L shaped plate, and each height and position of L shaped plate, homogeneous a pair
Should with a L-shaped end face on equipment frame, No. two L-shaped end faces, No. three L-shaped end faces, between No. four L-shaped end faces, No. five L-shaped end faces
Away from and position it is identical；Two square plates are horizontally-parallel to be connected on the bottom two sides of No. two square columns.
The beneficial effects of the invention are as follows：The sliding plug door of motor train unit system installation device can realize sliding plug door system once
Property install positioning, it is ensured that locus and its matching relationship between movable doorframe, equipment frame and drive mechanism three, peace
Dress precision and installation effectiveness are improved.The movable doorframe clamping mechanism and equipment frame installing mechanism of the present invention is that left and right is right
Claim the respective outer side edges of structure, equipment frame installing mechanism and movable doorframe clamping mechanism, it is possible to achieve the peace of left and right sides equipment frame
Dress, that is, realize set of device positioning and install the function of left and right sides sliding plug door system, practicality and versatility enhancing.
Brief description of the drawings
Fig. 1 is the structural representation of sliding plug door of motor train unit system, and this figure is the structural representation opened the door on the right side of stopping sliding door, figure
Middle equipment frame is arranged on the right side of doorframe.
Fig. 2 is the structural representation of sliding plug door of motor train unit devices in system frame.
Fig. 3 is the structural representation of stopping sliding door drive mechanism flap seat.
Fig. 4 is the structural representation of sliding plug door of motor train unit system installation device of the present invention.
Fig. 5 is Fig. 4 configuration schematic diagram.
Fig. 6 is the structural representation of the movable doorframe clamping mechanism in the present invention.
Fig. 7 is the structural representation of the equipment frame installing mechanism in the present invention.
Fig. 8 is the structural representation under another visual angle of sliding plug door of motor train unit system installation device of the present invention.
Fig. 9 is Fig. 8 configuration schematic diagram.
Figure 10 is the structural representation under another visual angle of movable doorframe clamping mechanism in the present invention.
Figure 11 is the pressing wheel mechanism and lower pole assembly relation schematic diagram in the present invention.
Figure 12 is Figure 11 part configuration schematic diagram.
Figure 13 is the configuration schematic diagram of the pressing wheel mechanism in the present invention.
Figure 14 is the pinch roller in the present invention and the structural representation under another visual angle after adjusting screw Standard.
Figure 15 is the structural representation under another visual angle of lower pole in the present invention.
Figure 16 is that the structure after overturning after movable doorframe clamping mechanism and the assembling of equipment frame installing mechanism in the present invention is shown
It is intended to.
Figure 17 is Figure 16 configuration schematic diagram.
Figure 18 is to utilize movable doorframe clamping mechanism of the invention by the structural representation after movable doorframe clamping.
Figure 19 is assembly relation schematic diagram of the equipment frame installing mechanism with stopping sliding door equipment frame of the present invention.
Figure 20 is the application schematic diagram of sliding plug door of motor train unit system installation device of the present invention.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
As shown in Fig. 4 to Figure 17, sliding plug door of motor train unit system installation device of the invention includes：Movable doorframe clamping mechanism
2nd, drive mechanism height positioning mechanism 3, car body internal upper part detent mechanism 4, bottom detent mechanism 5 and equipment frame fitting machine in car body
Structure 6.
Movable doorframe clamping mechanism 2 includes rectangular frame 2-1, the profile-followed supporting construction 2-2 of doorframe, the clamping of multiple doorframe both sides
Device 2-3, two top column 2-4, two lower pole 2-5, two sidepiece binding clasp 2-6, two top car body top-fastener 2-
7th, two bottom car body top-fastener 2-8, two doorframe top active grab 2-9, two doorframe upper seat 2-10, two doorframes
Bottom active grab 2-11, two doorframe lower seat 2-12, two top active grab 2-13, two top positioning support 2-
14th, two upper latch 2-15, two altitude location bearing 2-17, two height latch 2-16, two fixed seat 2-18, two
L-shaped latch 2-19, two bottom active grab 2-20, two bottom positioning support 2-21, two bottom latch 2-22, four branch
Seat 2-23, two pressing wheel mechanism 2-24, four positioning seat 2-25 and two hoisting boards 2-26, two hoisting board 2-26 are fixed on square
Shape framework 2-1 entablature two ends.
Rectangular frame 2-1 is square on the ground by four bearing 2-23 connection bradyseism castors rear supports, and doorframe is supported with the shape
Structure 2-2 includes multiple profile-followed support blocks, and multiple profile-followed support blocks are symmetrically fixed on the side of two longerons of rectangular frame 2-1
On, the shape for the supporting surface that multiple profile-followed support blocks are constituted is identical by the shape of supporting surface with movable doorframe 1-1.Multiple doorframes two
Side binding clasp 2-3 number is identical with the number of multiple profile-followed support blocks, and multiple doorframe both sides binding clasp 2-3 are symmetrically fixed on square
On the shape framework 2-1 longeron of left and right two, each doorframe both sides binding clasp 2-3 pinching end is respectively positioned on the profile-followed supporting construction of doorframe
2-2 surface.
Two top column 2-4 are fixed on rectangular frame 2-1 entablature, and two lower pole 2-5 are fixed on rectangle
On framework 2-1 sill, two sidepiece binding clasp 2-6 are fixed on the rectangular frame 2-1 longeron side of left and right two, two
Top car body top-fastener 2-7 is fixed on the two ends of rectangular frame 2-1 entablatures, and two bottom car body top-fastener 2-8 are fixed on square
The two ends of shape framework 2-1 sills.
Two doorframe upper seat 2-10 are fixed on rectangular frame 2-1 entablature, two doorframe top active grabs
2-9 is corresponded and is fixed on the relative side end face in two top column 2-4 positions, two doorframe top active grab 2-9's
Compression end corresponds the surface for being placed in two doorframe upper seat 2-10.
Two doorframe lower seat 2-12 are fixed in the end face outside of rectangular frame 2-1 sills, two doorframe bottoms
Active grab 2-11 is fixed on rectangular frame 2-1 sill, and two doorframe bottom active grab 2-11 compression end is one by one
Correspondence is placed in two doorframe lower seat 2-12 surface.
Two top positioning support 2-14, which are corresponded, is fixed on two top column 2-4 towards inside rectangular frame 2-1
Side end face on, two top active grab 2-13 correspond the one end for being fixed on two top positioning support 2-14, two
Upper latch 2-15 corresponds the other end for being fixed on two top positioning support 2-14.
Two altitude location bearing 2-17, which are corresponded, is fixed on two top column 2-4 dorsad inside rectangular frame 2-1
Side end face on, two height latch 2-16 are corresponded and are fixed on two altitude location bearing 2-17.
Two fixed seat 2-18, which are corresponded, is fixed on sides of two top column 2-4 towards rectangular frame 2-1 longerons
On face, two L-shaped latch 2-19 are fixed in the end face outside of rectangular frame 2-1 entablatures.
Two bottom positioning support 2-21, which are corresponded, to be fixed on two lower pole 2-5 top end face, two bottoms
Active grab 2-20 corresponds the one end for being fixed on two bottom positioning support 2-21, and two bottom latch 2-22 are corresponded
It is fixed on the two bottom positioning support 2-21 other end.
Two pressing wheel mechanism 2-24, which are corresponded, to be fixed on two relative side end faces of two lower pole 2-5 positions,
Two pressing wheel mechanism 2-24 can be positioned relative to lower pole 2-5 after 90 degree of rotations horizontally and vertically.
Four positioning seat 2-25 are symmetrically fixed on rectangular frame 2-1 two longerons two-by-two.Positioning seat 2-25 includes perpendicular
Straight panel 2-25-1, level board 2-25-2 and pin 2-25-3, vertical plate 2-25-1 and level board 2-25-2 are in T shape connected, sell 2-
25-3 is connected on the lateral surface of vertical plate 2-25-1 one end, and level board 2-25-2 is fixed on longeron bottom surface, vertical plate 2-25-
The medial surface of 1 other end is connected on side rail inner face.
As shown in Figure 11 to Figure 15, pressing wheel mechanism 2-24 includes pinch roller limit base 2-24-1, pinch roller 2-24-2, distance adjustment
Screw structure 2-24-3 and rotation adjusting screw structure 2-24-4；Pinch roller limit base 2-24-1 leads at one angle provided with a circle
Hole 2-24-1-1, on manhole 2-24-1-1 periphery provided with two spacer pins 2-24-1-2, two spacer pin 2-24-1-2
Center be respectively 90 degree with the angle of manhole 2-24-1-1 circle center line connectings；Pinch roller 2-24-2 is fixed on distance by axle bed
The bottom of adjusting screw structure 2-24-3 screw ends, is rectangular parallelepiped structure apart from adjusting screw structure 2-24-3 screw profile,
The screw profile for rotating adjusting screw structure 2-24-4 is cylindrical structural, and rotation adjusting screw structure 2-24-4 screw end is hung down
Directly it is fixed in adjusting screw structure 2-24-3 screw end side surface, is adjusted apart from adjusting screw structure 2-24-3 with rotation
Whole screw structure 2-24-4 junctions position directly below is provided with a circular groove 2-24-3-1；Two lower pole 2-5 are at it
A wire master hole 2-5-2 is respectively provided with relative inner face, two lower pole 2-5 are in the side relative with respective wire master hole 2-5-2
A screw hole 2-5-1 is respectively provided with face, the wire master hole 2-5-2 on same lower pole 2-5 and screw hole 2-5-1 axle
Line is overlapped；Pinch roller limit base 2-24-1 is fixed on lower pole 2-5 sides, and makes manhole 2-24-1-1 axis and silk
Female hole 2-5-2 axis is overlapped；Rotate adjusting screw structure 2-24-4 screw end sequentially through manhole 2-24-1-1 and
Lower pole 2-5 is inserted after wire master hole 2-5-2, rotation adjusting screw structure 2-24-4 screw mandrel end is inserted by screw hole 2-5-1
It is threadedly coupled after entering lower pole 2-5 with screw end.When pressing wheel mechanism 2-24 is not used, apart from adjusting screw structure 2-24-3
It is be arranged in parallel with lower pole 2-5, under this state, the spacer pin 2-24-1-2 insertions immediately below manhole 2-24-1-1
In circular groove 2-24-3-1, and make to paste apart from adjusting screw structure 2-24-3 by rotating adjusting screw structure 2-24-4 and screwing
Press wheel limit base 2-24-1, and then realize the spacing of the i.e. vertical direction of pressing wheel mechanism 2-24 unused states.Work as pressing wheel mechanism
2-24 is in use, need first adjust after adjusting screw structure 2-24-3 and lower pole 2-5 are vertically arranged, then by distance
Whole screw structure 2-24-3 adjusts the flexible distances of pinch roller 2-24-2, and operating process is：Need first to unscrew rotation adjusting screw knot
Structure 2-24-4, makes to be located at the spacer pin 2-24-1-2 immediately below manhole 2-24-1-1 and departs from circular groove 2-24-3-1, so
After will go to horizontal direction from vertical direction apart from adjusting screw structure 2-24-3, then manhole 2-24-1-1 sides will be located at
Spacer pin 2-24-1-2 insertions circular groove 2-24-3-1 in, then by rotating adjusting screw structure 2-24-4 and screwing make distance
Adjusting screw structure 2-24-3 is adjacent to pinch roller limit base 2-24-1, and then realizes pressing wheel mechanism 2-24 use states i.e. horizontal direction
It is spacing；Finally again by adjusting the flexible distances of pinch roller 2-24-2 apart from adjusting screw structure 2-24-3.
Drive mechanism height positioning mechanism 3 includes U-shaped beam 3-1, two connecting seat 3-2 and two altitude location active grabs
3-3, U-shaped beam 3-1 horizontal beam sides are provided with two pin-and-holes, and two connecting seat 3-2 one end is fixed on the vertical of U-shaped beam 3-1
The top of beam, the two connecting seat 3-2 other end is provided with multiple screws；Two altitude location active grab 3-3 fixing end is consolidated
On the bottom surface for being scheduled on U-shaped beam 3-1 horizontal beams.
Car body internal upper part detent mechanism 4 is I-shape construction, and the beam in the middle of it is provided with two groups of top dowel hole 4-1,
Every group of top dowel hole 4-1 spacing is equal to two upper latch 2-15 spacing.Bottom detent mechanism 5 is work in car body
Character form structure, the beam in the middle of it is provided with two groups of bottom dowel hole 5-1, and every group of bottom dowel hole 5-1 spacing is equal to
Two bottom latch 2-22 spacing.
Equipment frame installing mechanism 6 include long longeron 6-1, tee girder 6-2, two rise flap seat 6-3, multiple base 6-4, four
Rectangular slab 6-5, square column 6-6, No. two square column 6-7, No. three square column 6-8, No. four square column 6-9, five
Number square column 6-10, four equipment frame active grab 6-11, two square plate 6-12, two L shaped plate 6-13, two No. two
L shaped plate 6-14, two No. three L shaped plate 6-15, two No. four L shaped plate 6-16, two No. five L shaped plate 6-17；The one of long longeron 6-1
End and tee girder 6-2 vertical end are connected, and two are played the horizontal ends that flap seat 6-3 is connected in tee girder 6-2, and multiple base 6-4 are connected
On long longeron 6-1 bottom surface；Two square plate 6-12 are horizontally-parallel to be connected on No. two square column 6-7 bottom two sides.
Four rectangular slab 6-5 two are connected on same base 6-4 for one group, every group of two rectangular slab 6-5 are parallel,
Side two U-shaped pin-and-hole 6-5-1s provided with U-shaped pin-and-hole a 6-5-1, every group rectangular slab 6-5 of each rectangular slab 6-5 at middle part
Opening direction it is identical.
Four equipment frame active grab 6-11 two are parallel connected for one group, every group of two equipment frame active grab 6-11
In two rectangular slab 6-5 bottom.
Number square column 6-6, No. two square column 6-7, No. three square column 6-8, No. four square column 6-9, No. five
Square column 6-10 is each attached on long longeron 6-1 upper surface, and two L shaped plate 6-13 are symmetrically fixed by connector
In square column 6-6 top both sides, two No. two L shaped plate 6-14 be symmetrically fixed on by connector No. two it is square vertical
Post 6-7 top both sides, two No. three L shaped plate 6-15 are symmetrically fixed on No. three square column 6-8 top by connector
Both sides, two No. four L shaped plate 6-16 are symmetrically fixed on No. four square column 6-9 top both sides, two five by connector
Number L shaped plate 6-17 is symmetrically fixed on No. five square column 6-10 top both sides by connector；The short side plate of each L shaped plate
It is provided with least one screw；A number L shaped plate 6-13 of the same side, No. two L shaped plate 6-14, No. three L shaped plate 6-15, No. four L-shaped
Plate 6-16, No. five adjacent spacing between the two of L shaped plate 6-17, and each height and position of L shaped plate, correspond and set
A L-shaped end face 1-2-1, No. two L-shaped end face 1-2-2, No. three L-shaped end face 1-2-3, No. four L-shaped end face 1-2- on standby frame 1-2
4th, No. five L-shaped end face 1-2-5 spacing and position are identical.
As shown in Figure 18 to Figure 20, using the present invention sliding plug door of motor train unit system installation device to equipment frame at right side
The process installed of sliding plug door system it is as follows：
The first step, under car movable doorframe 1-1 and movable doorframe clamping mechanism 2 assembled, operating process is：Will be living
Dynamic doorframe clamping mechanism 2 is placed in ground grading, then movable doorframe 1-1 is placed on into the profile-followed supporting construction 2-2 of doorframe, doorframe
On upper seat 2-10, doorframe lower seat 2-12 supporting surface, multiple doorframe both sides binding clasp 2-3, two doors are then utilized
Frame upper seat 2-10, two doorframe lower seat 2-12 clamp movable doorframe 1-1, complete movable doorframe 1-1 and dodge gate
The assembling of frame clamping mechanism 2.
Second step, using overhead traveling crane by two hoisting board 2-26 by the movable doorframe 1-1 and movable doorframe clamping after assembling
At the integral hoisting of mechanism 2 to the doorway of Motor train unit body, four gaps up and down on regulation movable doorframe 1-1 and doorway are to equal
It is even, two pressing wheel mechanism 2-24 two pinch roller 2-24-2 are rotated by 90 ° rear locking positioning to two pinch roller 2-24-2 and are pressed in door
On mouth floor, then, pass through two top positioning support 2-14, two upper latch 2-15 and two top active grab 2-13
By car body internal upper part detent mechanism 4 be arranged on movable doorframe clamping mechanism 2 top, by two bottom positioning support 2-21,
Bottom detent mechanism 5 in car body is arranged on movable doorframe clamping by two bottom latch 2-22 and two bottom active grab 2-20
The bottom of mechanism 2, then, by two top car body top-fastener 2-7 outside car body and two bottom car body top-fastener 2-8
Be torqued-up to the outer top for withstanding on car body and low outside put, so far, movable doorframe clamping mechanism 2 and car body relation it has been determined that and
The relative position relation of movable doorframe 1-1 and car body is also determined in company with together with movable doorframe clamping mechanism 2.
3rd step, drive mechanism height positioning mechanism 3 is installed on movable doorframe clamping mechanism 2, process is：Will height
In two pin-and-holes of the latch 2-16 insertion horizontal beam sides of U-shaped beam 3-1, and U-shaped beam 3-1 is placed on altitude location bearing 2-17
On, then two altitude location active grab 3-3 are clamped to two fixed seat 2-18 of movable doorframe clamping mechanism 2, and then will
Drive mechanism height positioning mechanism 3 is arranged on the top of movable doorframe clamping mechanism 2.
4th step, drive mechanism flap seat 1-3-1 by horizontal strip hole 1-3-1-1 is installed to drive mechanism altitude location
On the connecting seat 3-2 of mechanism 3, then drive mechanism flap seat 1-3-1 is installed on car body by longitudinal strip hole 1-3-1-2
Portion, so far, the relation of drive mechanism flap seat 1-3-1 and car body have determined that.Treat movable doorframe 1-1 and equipment frame 1-2 respectively with car
Body is installed, and movable doorframe clamping mechanism 2 of dismantling, drive mechanism height positioning mechanism 3, car body internal upper part detent mechanism 4,
In car body after bottom detent mechanism 5, equipment frame installing mechanism 6, drive mechanism 1-3 is directly installed on drive mechanism flap seat 1-
On 3-1, you can complete the accurate installation of drive mechanism 1-3 and car body.
5th step, under car equipment frame installing mechanism 6 and equipment frame 1-2 assembled, operating process is：By equipment frame
Installing mechanism 6 is placed in ground grading, then equipment frame 1-2 is hoisted near equipment frame installing mechanism 6, and equipment frame is pacified
A number L shaped plate 6-13 on the right side of mounting mechanism 6, No. two L shaped plate 6-14, No. three L shaped plate 6-15, No. four L shaped plate 6-16, No. five L-shaped
Plate 6-17 is corresponded and a L-shaped end face 1-2-1 above equipment frame 1-2, No. two L-shaped end face 1-2-2, No. three L-shaped end faces
1-2-3, No. four L-shaped end face 1-2-4, No. five L-shaped end face 1-2-5 are bolted fixation, complete the He of equipment frame installing mechanism 6
Equipment frame 1-2 assembling.
6th step, using overhead traveling crane by playing flap seat 6-3 by the equipment frame installing mechanism 6 after assembling and equipment frame 1-2 handlings
To car body doorway, two U-shaped pin-and-hole 6-5-1 correspondences on the right side of equipment frame installing mechanism 6 are enclosed on movable doorframe clamping mechanism 2
On two pin 2-25-3 on right side, and two equipment frame active grab 6-11 on the right side of equipment frame installing mechanism 6 are clamped in work
On two vertical plate 2-25-1 on the dynamic right side of doorframe clamping mechanism 2, then, the sidepiece on the right side of movable doorframe clamping mechanism 2 is pressed from both sides
The square plate 6-12 on the tight right side of device 2-6 apparatus for fastening framves installing mechanism 6, so far, the rigging position relation of equipment frame 1-2 and car body is
It is determined that, then equipment frame 1-2 is connected with car body by bolt.
To sum up, sliding plug door of motor train unit system installation device of the invention can realize the disposable installation of sliding plug door system 1
Positioning, installation accuracy is improved, and installation effectiveness is improved.
1 point of the sliding plug door system of EMUs is that left side is opened the door and two kinds of structure types of right side enabling, when left side is opened the door, equipment
Frame 1-2 is arranged on the left of car body, when right side is opened the door, and equipment frame 1-2 is arranged on the right side of car body, the equipment frame 1-2's of the left and right sides
Symmetrical configuration.The movable doorframe clamping mechanism 2 and equipment frame installing mechanism 6 of the present invention is bilateral symmetry, equipment frame peace
The respective outer side edges of mounting mechanism 6 and movable doorframe clamping mechanism 2, it is possible to achieve the installation of left and right sides equipment frame, practicality and logical
Strengthened with property.
Claims (9)
1. sliding plug door of motor train unit system installation device, it is characterised in that the device includes：For by the dodge gate of sliding plug door system
Frame (1-1) carries out the movable doorframe clamping mechanism (2) of clamping fixation, for the drive mechanism (1-3) of sliding plug door system to be carried out
The drive mechanism height positioning mechanism (3) of altitude location, for the top of movable doorframe clamping mechanism (2) to be carried out into installation positioning
Car body internal upper part detent mechanism (4), for the bottom of movable doorframe clamping mechanism (2) being carried out under installing in the car body of positioning
Portion's detent mechanism (5), and for the equipment frame (1-2) of sliding plug door system install to the equipment frame installing mechanism of positioning
(6)；Drive mechanism height positioning mechanism (3) is arranged on the top of movable doorframe clamping mechanism (2), car body internal upper part detent mechanism
(4) it is arranged on bottom detent mechanism (5) in the top of movable doorframe clamping mechanism (2), car body and is arranged on movable doorframe clamping machine
The bottom of structure (2), equipment frame installing mechanism (6) is arranged on the left side or right side of movable doorframe clamping mechanism (2).
2. sliding plug door of motor train unit system installation device as claimed in claim 1, it is characterised in that the movable doorframe clamping machine
Structure (2) includes rectangular frame (2-1), the profile-followed supporting construction of doorframe (2-2), multiple doorframe both sides binding clasp (2-3), two tops
Column (2-4), two lower poles (2-5), two sidepiece binding clasps (2-6), two top car body top-fasteners (2-7), two
Bottom car body top-fastener (2-8), two doorframe top active grabs (2-9), two doorframe upper seats (2-10), two doorframes
Bottom active grab (2-11), two doorframe lower seats (2-12), two top active grabs (2-13), two top positioning
Bearing (2-14), two upper latch (2-15), two height latches (2-16), two altitude location bearings (2-17), two
Fixed seat (2-18), two L-shaped latches (2-19), two bottom active grabs (2-20), two bottom positioning supports (2-21),
Two bottom latches (2-22), four bearings (2-23), two pressing wheel mechanisms (2-24), four positioning seats (2-25) and two rise
Boatswain chair (2-26)；
Rectangular frame (2-1) is supported on above the ground by four bearings (2-23), and the profile-followed supporting construction of doorframe (2-2) is symmetrically solid
It is scheduled on the side of left and right two of rectangular frame (2-1), the shape and movable doorframe of the profile-followed supporting construction of doorframe (2-2) supporting surface
(1-1) is identical by the shape of supporting surface；
Multiple doorframe both sides binding clasp (2-3) are symmetrically fixed on the longeron of left and right two of rectangular frame (2-1), each doorframe two
The pinching end of side binding clasp (2-3) is respectively positioned on the surface of the profile-followed supporting construction of doorframe (2-2)；
Two top columns (2-4) are fixed on rectangular frame (2-1) entablature, and two lower poles (2-5) are fixed on square
On the sill of shape framework (2-1), two sidepiece binding clasps (2-6) are fixed on the stringer sides of left and right two of rectangular frame (2-1)
On face, two tops car body top-fastener (2-7) are fixed on the two ends of rectangular frame (2-1) entablature, and two bottom car bodies are held out against
Device (2-8) is fixed on the two ends of rectangular frame (2-1) sill；
Two doorframe upper seats (2-10) are fixed on rectangular frame (2-1) entablature, two doorframe top active grabs
(2-9) is corresponded and is fixed on the relative side end face in two top column (2-4) positions, two doorframe top active grabs
The compression end of (2-9) corresponds the surface for being placed in two doorframe upper seats (2-10)；
Two doorframe lower seats (2-12) are fixed in the end face outside of rectangular frame (2-1) sill, two doorframe bottoms
Active grab (2-11) is fixed on rectangular frame (2-1) sill, the compression of two doorframe bottom active grabs (2-11)
End one-to-one corresponding is placed in the surface of two doorframe lower seats (2-12)；
It is interior towards rectangular frame (2-1) that two top positioning supports (2-14) one-to-one corresponding are fixed on two top columns (2-4)
On the side end face in portion, two top active grabs (2-13), which correspond, is fixed on the one of two top positioning supports (2-14)
End, two upper latch (2-15) correspond the other end for being fixed on two top positioning supports (2-14)；
Two altitude location bearings (2-17) one-to-one corresponding are fixed on two top columns (2-4), and dorsad rectangular frame (2-1) is interior
On the side end face in portion, two height latches (2-16), which correspond, to be fixed on two altitude location bearings (2-17)；
Two fixed seats (2-18), which correspond, is fixed on two top columns (2-4) towards the side of rectangular frame (2-1) longeron
On end face, two L-shaped latches (2-19) are fixed in the end face outside of rectangular frame (2-1) entablature；
Two bottom positioning supports (2-21), which correspond, to be fixed on the top end face of two lower poles (2-5), two bottoms
Active grab (2-20) corresponds the one end for being fixed on two bottom positioning supports (2-21), two bottom latches (2-22) one
One correspondence is fixed on the other end of two bottom positioning supports (2-21)；
Two pressing wheel mechanisms (2-24), which correspond, to be fixed on two relative side end faces of two lower pole (2-5) positions,
Two pressing wheel mechanisms (2-24) can be relative to 90 degree of rotational positionings of lower pole (2-5)；
Four positioning seats (2-25) are symmetrically fixed on two longerons of rectangular frame (2-1) two-by-two, two hoisting boards (2-26)
It is fixed on the entablature two ends of rectangular frame (2-1).
3. sliding plug door of motor train unit system installation device as claimed in claim 2, it is characterised in that the doorframe supports knot with the shape
Structure (2-2) includes multiple profile-followed support blocks, and multiple profile-followed support blocks are symmetrically fixed on the side of rectangular frame (2-1) two longerons
On, the shape for the supporting surface that multiple profile-followed support blocks are constituted is identical by the shape of supporting surface with movable doorframe (1-1), multiple profile-followed
The number of support block is identical with the number of multiple doorframe both sides binding clasp (2-3).
4. sliding plug door of motor train unit system installation device as claimed in claim 2, it is characterised in that the pressing wheel mechanism (2-24)
Including pinch roller limit base (2-24-1), pinch roller (2-24-2), apart from adjusting screw structure (2-24-3) and rotation adjusting screw knot
Structure (2-24-4)；Pinch roller limit base (2-24-1) is provided with a manhole (2-24-1-1) at one angle, in manhole (2-
Periphery 24-1-1) is provided with two spacer pins (2-24-1-2), and the center of two spacer pins (2-24-1-2) is logical with circle respectively
The angle of hole (2-24-1-1) circle center line connecting is 90 degree；Pinch roller (2-24-2) is fixed on apart from adjusting screw structure by axle bed
The bottom of (2-24-3) screw end, is rectangular parallelepiped structure, rotation adjustment apart from the screw profile of adjusting screw structure (2-24-3)
The screw profile of screw structure (2-24-4) is cylindrical structural, and the screw end of rotation adjusting screw structure (2-24-4) is vertically solid
It is connected in the screw end side surface of adjusting screw structure (2-24-3), is adjusted apart from adjusting screw structure (2-24-3) with rotation
Whole screw structure (2-24-4) junction position directly below is provided with a circular groove (2-24-3-1)；Two lower pole (2-
5) be respectively provided with a wire master hole (2-5-2) on its relative inner face, two lower poles (2-5) with respective wire master hole (2-
A screw hole (2-5-1), the wire master hole (2-5- in same lower pole (2-5) 5-2) are respectively provided with relative side
2) axis with screw hole (2-5-1) is overlapped；Pinch roller limit base (2-24-1) is fixed on lower pole (2-5) side, and is made
The axis of manhole (2-24-1-1) is overlapped with the axis of wire master hole (2-5-2)；Rotate adjusting screw structure (2-24-4)
Screw end sequentially inserts lower pole (2-5), rotation adjustment silk afterwards through manhole (2-24-1-1) and wire master hole (2-5-2)
The screw mandrel end of bumper structure (2-24-4) is inserted lower pole (2-5) by screw hole (2-5-1) and is threadedly coupled afterwards with screw end.
5. sliding plug door of motor train unit system installation device as claimed in claim 2, it is characterised in that positioning seat (2-25) bag
Vertical plate (2-25-1), level board (2-25-2) and pin (2-25-3) are included, vertical plate (2-25-1) is in T with level board (2-25-2)
Font is connected, and pin (2-25-3) is connected on the lateral surface of vertical plate (2-25-1) one end, and level board (2-25-2) is fixed on vertical
On soffit, the medial surface of vertical plate (2-25-1) other end is connected on side rail inner face.
6. sliding plug door of motor train unit system installation device as claimed in claim 2, it is characterised in that the drive mechanism is highly fixed
Position mechanism (3) includes U-shaped beam (3-1), two connecting seats (3-2) and two altitude location active grabs (3-3), U-shaped beam (3-1)
Horizontal beam sides provided with two pin-and-holes, one end of two connecting seats (3-2) is fixed on the top of the vertical beam of U-shaped beam (3-1),
The other end of two connecting seats (3-2) is provided with multiple screws；The fixing end of two altitude location active grabs (3-3) is fixed on U
On the bottom surface of ellbeam (3-1) horizontal beam.
7. sliding plug door of motor train unit system installation device as claimed in claim 2, it is characterised in that the car body internal upper part positioning
Mechanism (4) is I-shape construction, and the beam in the middle of it is provided with two groups of top dowel holes (4-1), every group of top dowel hole (4-
1) spacing is equal to the spacing of two upper latch (2-15).
8. sliding plug door of motor train unit system installation device as claimed in claim 2, it is characterised in that bottom is positioned in the car body
Mechanism (5) is I-shape construction, and the beam in the middle of it is provided with two groups of bottom dowel holes (5-1), every group of bottom dowel hole (5-
1) spacing is equal to the spacing of two bottom latches (2-22).
9. sliding plug door of motor train unit system installation device as claimed in claim 2, it is characterised in that the equipment frame installing mechanism
(6) include long longeron (6-1), tee girder (6-2), two rise flap seat (6-3), multiple bases (6-4), four rectangular slabs (6-5),
Number square column (6-6), No. two square columns (6-7), No. three square columns (6-8), No. four square columns (6-9), No. five
Square column (6-10), four equipment frame active grabs (6-11), two square plates (6-12), two L shaped plate (6-13), two
Individual No. two L shaped plates (6-14), two No. three L shaped plates (6-15), two No. four L shaped plates (6-16), two No. five L shaped plate (6-
17)；
One end of long longeron (6-1) is connected with the vertical end of tee girder (6-2), and two are played flap seat (6-3) and are connected in tee girder (6-2)
Horizontal ends, multiple bases (6-4) are connected on long longeron (6-1) bottom surface；
Four rectangular slabs (6-5) two are connected in same base (6-4) for one group, every group of two rectangular slabs (6-5) are parallel
On, each rectangular slab (6-5) is provided with a U-shaped pin-and-hole (6-5-1), two U-shapeds of every group of rectangular slab (6-5) in the side at middle part
The opening direction of pin-and-hole (6-5-1) is identical；
Four equipment frame active grabs (6-11) two are parallel connected for one group, every group of two equipment frame active grabs (6-11)
In the bottom of two rectangular slabs (6-5)；
Number square column (6-6), No. two square columns (6-7), No. three square columns (6-8), No. four square columns (6-9),
No. five square columns (6-10) are each attached on long longeron (6-1) upper surface, and two L shaped plates (6-13) pass through connection
Part is symmetrically fixed on the top both sides of a square column (6-6), and two No. two L shaped plates (6-14) are symmetrically solid by connector
The top both sides of No. two square columns (6-7) are scheduled on, two No. three L shaped plates (6-15) are symmetrically fixed on No. three by connector
The top both sides of square column (6-8), two No. four L shaped plates (6-16) are symmetrically fixed on No. four square columns by connector
The top both sides of (6-9), two No. five L shaped plates (6-17) are symmetrically fixed on No. five square columns (6-10) by connector
Top both sides；The short side plate of each L shaped plate is provided with least one screw；A number L shaped plate (6-13) of the same side, No. two L-shaped
Plate (6-14), No. three L shaped plates (6-15), No. four L shaped plates (6-16), No. five adjacent spacing between the two of L shaped plate (6-17), with
And the height and position of each L shaped plate, correspond and a L-shaped end face (1-2-1) on equipment frame (1-2), No. two L-shaped ends
Face (1-2-2), No. three L-shaped end faces (1-2-3), No. four L-shaped end faces (1-2-4), the spacing of No. five L-shaped end faces (1-2-5) and position
Put identical；
Two square plates (6-12) are horizontally-parallel to be connected on the bottom two sides of No. two square columns (6-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284883.7A CN106984969B (en) | 2017-04-27 | 2017-04-27 | EMUs sliding plug door system installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284883.7A CN106984969B (en) | 2017-04-27 | 2017-04-27 | EMUs sliding plug door system installation device |
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| CN106984969A true CN106984969A (en) | 2017-07-28 |
| CN106984969B CN106984969B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710284883.7A Active CN106984969B (en) | 2017-04-27 | 2017-04-27 | EMUs sliding plug door system installation device |
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| CN107932378A (en) * | 2017-11-28 | 2018-04-20 | 中车长春轨道客车股份有限公司 | For framework and the positioning tool of its axle box drawbar seat group pair |
| CN109278776A (en) * | 2018-11-23 | 2019-01-29 | 中车长春轨道客车股份有限公司 | Positioning device is used in the built-in door weather strip of bullet train and the assembly of doorsill pedal mechanism |
| CN109500566A (en) * | 2018-12-14 | 2019-03-22 | 中车长春轨道客车股份有限公司 | Automatic assembling apparatus for train front end energy absorption device |
| CN109834626A (en) * | 2018-12-19 | 2019-06-04 | 中车唐山机车车辆有限公司 | It is a kind of for installing the tooling of the doorframe of stopping sliding door |
| CN112207733A (en) * | 2020-09-22 | 2021-01-12 | 中车长春轨道客车股份有限公司 | Motor train unit sliding plug door cover plate auxiliary positioning device and positioning method thereof |
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| CN109500566B (en) * | 2018-12-14 | 2021-07-27 | 中车长春轨道客车股份有限公司 | Automatic assembling device for front end energy absorption device of train |
| CN109834626A (en) * | 2018-12-19 | 2019-06-04 | 中车唐山机车车辆有限公司 | It is a kind of for installing the tooling of the doorframe of stopping sliding door |
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| CN112207733A (en) * | 2020-09-22 | 2021-01-12 | 中车长春轨道客车股份有限公司 | Motor train unit sliding plug door cover plate auxiliary positioning device and positioning method thereof |
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