CN106984969B - EMUs sliding plug door system installation device - Google Patents

EMUs sliding plug door system installation device Download PDF

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Publication number
CN106984969B
CN106984969B CN201710284883.7A CN201710284883A CN106984969B CN 106984969 B CN106984969 B CN 106984969B CN 201710284883 A CN201710284883 A CN 201710284883A CN 106984969 B CN106984969 B CN 106984969B
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positioning
door frame
fixed
shaped
frame
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CN106984969A (en
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徐岩
曲双
宋娇
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CRRC Changchun Railway Vehicles Co Ltd
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CRRC Changchun Railway Vehicles Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Abstract

EMUs sliding plug door system installation device belongs to passenger train sliding plug door system precision installation technical field, and it includes: the device comprises a movable door frame clamping mechanism for clamping and fixing a movable door frame of the sliding plug door, a driving mechanism height positioning mechanism for positioning the driving mechanism of the sliding plug door, an in-vehicle upper positioning mechanism for installing and positioning the upper part of the movable door frame clamping mechanism, an in-vehicle lower positioning mechanism for installing and positioning the lower part of the movable door frame clamping mechanism, and a device frame installing mechanism for installing and positioning a device frame of the sliding plug door. The invention can realize the one-time installation and positioning of the sliding plug door system, and the installation precision and the installation efficiency are both improved; the movable door frame clamping mechanism and the equipment frame mounting mechanism are bilaterally symmetrical structures, and the equipment frame mounting mechanism and the movable door frame clamping mechanism are structurally matched, so that the functions of positioning and mounting the sliding plug door systems on the left and right sides can be realized by one set of device, and the practicability and the universality are enhanced.

Description

EMUs sliding plug door system installation device
Technical Field
The invention belongs to the technical field of precise installation of a sliding plug door system of a railway passenger train, and particularly relates to a mounting device of a sliding plug door system of a motor train unit.
Background
As shown in fig. 1 to 3, a sliding plug door system 1 of a conventional domestic motor train unit includes a movable door frame 1-1, a door panel (not shown) embedded in the movable door frame 1-1, an equipment rack 1-2, and a driving mechanism 1-3, wherein the driving mechanism hanging seat 1-3-1 is connected with a vehicle body through a longitudinal elongated hole 1-3-1-2, and the driving mechanism 1-3 is connected with the driving mechanism hanging seat 1-3-1 through a transverse elongated hole 1-3-1-1. When the sliding plug door system is installed, the spatial positions and the matching relation among the movable door frame 1-1, the equipment frame 1-2 and the driving mechanism 1-3 need to be ensured, so that the quality problem of poor vehicle sealing caused by inaccurate installation positions of the sliding plug door system is avoided.
The existing installation process of the sliding plug door system of the motor train unit is that the movable door frame 1-1, the equipment frame 1-2 and the driving mechanism 1-3 are independently installed, the installation is implemented by adopting a manual measuring scale or a method of measuring a plurality of references by using a simple measuring tool and positioning for a plurality of times, the spatial positions and the matching relation among the movable door frame 1-1, the equipment frame 1-2 and the driving mechanism 1-3 are difficult to ensure, the installation positions of the three are repeatedly adjusted completely depending on experience, great difficulty is brought to the installation of the sliding plug door system, and the installation precision and the installation efficiency are low.
After the sliding plug door system 1 is accurately installed, the relative position relation between the first L-shaped end face 1-2-1, the second L-shaped end face 1-2-2, the third L-shaped end face 1-2-3, the fourth L-shaped end face 1-2-4 and the fifth L-shaped end face 1-2-5 on the equipment frame 1-2 and the movable door frame 1-1 is determined, and the relative position relation between the driving mechanism hanging seat 1-3-1 of the driving mechanism 1-3 and the movable door frame 1-1 is also determined. The invention takes the determined relative position relationship as a positioning reference to ensure the spatial position and the matching relationship among the movable door frame 1-1, the equipment frame 1-2 and the driving mechanism 1-3, and realizes the one-time installation and positioning of the movable door frame 1-1, the equipment frame 1-2 and the driving mechanism hanging seat 1-3-1.
Disclosure of Invention
The invention provides a mounting device for a plug door system of a motor train unit, aiming at solving the technical problems of low mounting precision and low mounting efficiency of the existing single-piece multiple mounting method.
The technical scheme adopted by the invention for solving the technical problem is as follows:
EMUs sliding plug door system installation device, it includes: the device comprises a movable door frame clamping mechanism, a driving mechanism height positioning mechanism, an in-vehicle upper part positioning mechanism, an in-vehicle lower part positioning mechanism and an equipment frame mounting mechanism, wherein the movable door frame clamping mechanism is used for clamping and fixing a movable door frame of the sliding plug door; the device comprises a driving mechanism, a movable door frame clamping mechanism, an equipment frame mounting mechanism, a driving mechanism height positioning mechanism, an upper positioning mechanism in the automobile body, a lower positioning mechanism in the automobile body, a movable door frame clamping mechanism, a lower positioning mechanism in the automobile body, an equipment frame mounting mechanism and a movable door frame clamping mechanism.
The movable door frame clamping mechanism comprises a rectangular frame, a door frame shape-following supporting structure, a plurality of door frame two-side clamping devices, two upper upright posts, two lower upright posts, two lateral clamping devices, two upper vehicle body jacking devices, two lower vehicle body jacking devices, two door frame upper quick clamps, two door frame upper support seats, two door frame lower quick clamps, two door frame lower support seats, two upper quick clamps, two upper positioning support seats, two upper bolts, two height positioning support seats, two height bolts, two fixing seats, two L-shaped bolts, two lower quick clamps, two lower positioning support seats, two lower bolts, four support seats, two pinch roller mechanisms, four positioning seats and two lifting plates; the rectangular frame is supported above the ground through four supports, the door frame shape following support structures are symmetrically fixed on the left side surface and the right side surface of the rectangular frame, and the shape of the support surface of the door frame shape following support structures is the same as that of the supported surface of the movable door frame; the clamping devices on the two sides of the door frame are symmetrically fixed on the left longitudinal beam and the right longitudinal beam of the rectangular frame, and the clamping end of each clamping device on the two sides of the door frame is positioned right above the shape following supporting structure of the door frame; the two upper upright columns are fixed on an upper cross beam of the rectangular frame, the two lower upright columns are fixed on a lower cross beam of the rectangular frame, the two side clamping devices are fixed on the side surfaces of the left longitudinal beam and the right longitudinal beam of the rectangular frame, the two upper car body jacking devices are fixed at two ends of the upper cross beam of the rectangular frame, and the two lower car body jacking devices are fixed at two ends of the lower cross beam of the rectangular frame; the two doorframe upper part supports are fixed on an upper beam of the rectangular frame, the two doorframe upper part quick clamps are fixed on the side end faces opposite to the two upper part upright posts in a one-to-one correspondence manner, and the pressing ends of the two doorframe upper part quick clamps are arranged right above the two doorframe upper part supports in a one-to-one correspondence manner; the two doorframe lower part supports are fixed on the outer end face of the rectangular framework lower beam, the two doorframe lower part quick clamps are fixed on the rectangular framework lower beam, and the pressing ends of the two doorframe lower part quick clamps are correspondingly arranged right above the two doorframe lower part supports one by one; the two upper positioning supports are correspondingly fixed on the side end faces, facing the interior of the rectangular frame, of the two upper stand columns one by one, the two upper quick clamps are correspondingly fixed at one ends of the two upper positioning supports one by one, and the two upper bolts are correspondingly fixed at the other ends of the two upper positioning supports one by one; the two height positioning supports are correspondingly fixed on the side end faces of the two upper upright posts back to the inside of the rectangular frame one by one, and the two height inserting pins are correspondingly fixed on the two height positioning supports one by one; the two fixing seats are fixed on the side end faces, facing the rectangular frame longitudinal beam, of the two upper stand columns in a one-to-one correspondence mode, and the two L-shaped bolts are fixed on the side end faces, facing the outer side, of the rectangular frame upper cross beam; the two lower positioning supports are fixed on the top end surfaces of the two lower upright posts in a one-to-one correspondence manner, the two lower quick clamps are fixed at one ends of the two lower positioning supports in a one-to-one correspondence manner, and the two lower bolts are fixed at the other ends of the two lower positioning supports in a one-to-one correspondence manner; the two pressing wheel mechanisms are fixed on two side end faces opposite to the positions of the two lower upright posts in a one-to-one correspondence manner, and can be rotationally positioned by 90 degrees relative to the lower upright posts; the four positioning seats are symmetrically fixed on two longitudinal beams of the rectangular frame in pairs, and the two lifting plates are fixed at two ends of an upper cross beam of the rectangular frame.
The door frame shape following supporting structure comprises a plurality of shape following supporting blocks, the shape following supporting blocks are symmetrically fixed on the side faces of two longitudinal beams of the rectangular frame, the shape of a supporting face formed by the shape following supporting blocks is the same as that of a supported face of the movable door frame, and the number of the shape following supporting blocks is the same as that of clamping devices on two sides of the door frame.
The pinch roller mechanism comprises a pinch roller limiting seat, a pinch roller, a distance adjusting lead screw structure and a rotary adjusting lead screw structure; a round through hole is formed in one corner of the pinch roller limiting seat, two limiting pins are arranged on the periphery of the round through hole, and the included angle formed by the centers of the two limiting pins and the connecting line of the circle centers of the round through holes is 90 degrees; the pressing wheel is fixed at the bottom of a nut end of the distance adjusting lead screw structure through the shaft seat, the nut of the distance adjusting lead screw structure is of a cuboid structure, the nut of the rotary adjusting lead screw structure is of a cylindrical structure, the nut end of the rotary adjusting lead screw structure is vertically and fixedly connected to the side surface of the nut end of the distance adjusting lead screw structure, and a circular groove is formed in the distance adjusting lead screw structure under the connection position of the distance adjusting lead screw structure and the rotary adjusting lead screw structure; the two lower upright posts are respectively provided with a screw hole on the opposite inner side surfaces, the two lower upright posts are respectively provided with a screw hole on the side surfaces opposite to the respective screw holes, and the screw holes on the same lower upright post are superposed with the axes of the screw holes; the pinch roller limiting seat is fixed on the side surface of the lower upright post, and the axis of the circular through hole is superposed with the axis of the nut hole; the screw end of the rotary adjusting screw structure penetrates through the circular through hole and the screw hole in sequence and then is inserted into the lower upright post, and the screw end of the rotary adjusting screw structure is inserted into the lower upright post through the screw hole and then is in threaded connection with the screw end.
Above-mentioned positioning seat includes vertical board, horizontal plate and round pin, and vertical board is the T font with the horizontal plate and links firmly, and the round pin links firmly on the lateral surface of vertical board one end, and the horizontal plate is fixed on the longeron bottom surface, and the medial surface of the vertical board other end links firmly on the longeron medial surface.
The height positioning mechanism of the driving mechanism comprises a U-shaped beam, two connecting seats and two height positioning quick clamps, wherein two pin holes are formed in the side face of a horizontal beam of the U-shaped beam, one ends of the two connecting seats are fixed to the top end of a vertical beam of the U-shaped beam, and a plurality of screw holes are formed in the other ends of the two connecting seats; the fixed ends of the two height positioning quick clamps are fixed on the bottom surface of the U-shaped beam horizontal beam.
The upper positioning mechanism in the vehicle body is of an I-shaped structure, two groups of upper positioning pin holes are formed in a beam in the middle of the positioning mechanism, and the distance between every two groups of upper positioning pin holes is equal to the distance between every two upper bolts.
The lower positioning mechanism in the vehicle body is of an I-shaped structure, two groups of lower positioning pin holes are formed in a beam in the middle of the positioning mechanism, and the distance between every two groups of lower positioning pin holes is equal to the distance between two lower bolts.
The equipment rack mounting mechanism comprises a long longitudinal beam, a T-shaped beam, two lifting seats, a plurality of bases, four rectangular plates, a first square upright post, a second square upright post, a third square upright post, a fourth square upright post, a fifth square upright post, four equipment rack quick clamps, two square plates, two first L-shaped plates, two second L-shaped plates, two third L-shaped plates, two fourth L-shaped plates and two fifth L-shaped plates; one end of the long longitudinal beam is fixedly connected with the vertical end of the T-shaped beam, the two lifting seats are fixedly connected with the horizontal end of the T-shaped beam, and the bases are fixedly connected with the bottom surface of the long longitudinal beam; the four rectangular plates are in a group, the two rectangular plates in each group are fixedly connected to the same base in parallel, one side of the middle part of each rectangular plate is provided with a U-shaped pin hole, and the opening directions of the two U-shaped pin holes of each group of rectangular plates are the same; two of the four equipment frame quick clamps form a group, and the two equipment frame quick clamps in each group are fixedly connected to the lower parts of the two rectangular plates in parallel; the first square stand column, the second square stand column, the third square stand column, the fourth square stand column and the fifth square stand column are all fixed on the upper end face of the long longitudinal beam, the two first L-shaped plates are all symmetrically fixed on two sides of the upper portion of the first square stand column through connecting pieces, the two second L-shaped plates are all symmetrically fixed on two sides of the upper portion of the second square stand column through connecting pieces, the two third L-shaped plates are all symmetrically fixed on two sides of the upper portion of the third square stand column through connecting pieces, the two fourth L-shaped plates are all symmetrically fixed on two sides of the upper portion of the fourth square stand column through connecting pieces, and the two fifth L-shaped plates are all symmetrically fixed on two sides of the upper portion of the fifth square stand column through connecting pieces; at least one screw hole is arranged on the short side plate of each L-shaped plate; the distance between the adjacent first L-shaped plate, second L-shaped plate, third L-shaped plate, fourth L-shaped plate and fifth L-shaped plate on the same side and the height position of each L-shaped plate are the same as the distance and the position of the first L-shaped end face, the second L-shaped end face, the third L-shaped end face, the fourth L-shaped end face and the fifth L-shaped end face on the equipment frame; the two square plates are transversely and parallelly fixedly connected to two side faces of the lower part of the second square upright post.
The invention has the beneficial effects that: the installation device of the plug door system of the motor train unit can realize one-time installation and positioning of the plug door system, can ensure the spatial position and the matching relation among the movable door frame, the equipment frame and the driving mechanism, and improves the installation precision and the installation efficiency. The movable door frame clamping mechanism and the equipment frame mounting mechanism are bilaterally symmetrical structures, and the equipment frame mounting mechanism and the movable door frame clamping mechanism are matched in structure, so that the equipment frames on the left side and the right side can be mounted, namely, the functions of positioning and mounting the sliding plug door systems on the left side and the right side of a set of equipment are realized, and the practicability and the universality are enhanced.
Drawings
Fig. 1 is a schematic structural diagram of a plug door system of a motor train unit, which is a schematic structural diagram of a right-side door of a plug door, wherein an equipment rack is installed on the right side of a door frame.
Fig. 2 is a schematic structural diagram of an equipment rack in a plug door system of a motor train unit.
Fig. 3 is a schematic structural view of a driving mechanism hanger of the sliding plug door.
FIG. 4 is a schematic structural diagram of a plug door system mounting device of a motor train unit.
Fig. 5 is a schematic diagram of the exploded structure of fig. 4.
Fig. 6 is a schematic structural view of the movable doorframe clamping mechanism in the present invention.
Fig. 7 is a schematic view of the structure of the equipment rack mounting mechanism of the present invention.
Fig. 8 is a schematic structural diagram of a mounting device of a plug door system of a motor train unit from another view angle.
Fig. 9 is a schematic diagram of the exploded structure of fig. 8.
Fig. 10 is a schematic structural view of the movable doorframe clamping mechanism in another view angle.
Fig. 11 is a schematic view showing the assembling relationship between the pressing wheel mechanism and the lower column in the present invention.
Fig. 12 is a schematic view of a portion of the exploded structure of fig. 11.
Fig. 13 is an exploded view of the pinch roller mechanism of the present invention.
FIG. 14 is a schematic view of the press wheel and distance adjusting screw structure of the present invention at another viewing angle after assembly.
Fig. 15 is a schematic view of the lower column of the present invention from another perspective.
Fig. 16 is a schematic structural view of the movable doorframe clamping mechanism and the equipment rack mounting mechanism of the present invention after being assembled and turned over.
Fig. 17 is a schematic view of the exploded structure of fig. 16.
Fig. 18 is a schematic structural view of a movable doorframe clamped by the movable doorframe clamping apparatus according to the present invention.
FIG. 19 is a schematic view of the mounting relationship of the equipment rack mounting mechanism of the present invention to a sliding plug door equipment rack.
FIG. 20 is a schematic view of an application of the installation device of a sliding plug door system of a motor train unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 4 to 17, the plug door system mounting device for a motor train unit of the present invention includes: the device comprises a movable door frame clamping mechanism 2, a driving mechanism height positioning mechanism 3, an upper positioning mechanism 4 in the vehicle body, a lower positioning mechanism 5 in the vehicle body and a device frame mounting mechanism 6.
The movable door frame clamping mechanism 2 comprises a rectangular frame 2-1, a door frame shape-following supporting structure 2-2, a plurality of door frame two-side clamping devices 2-3, two upper vertical columns 2-4, two lower vertical columns 2-5, two side clamping devices 2-6, two upper vehicle body jacking devices 2-7, two lower vehicle body jacking devices 2-8, two door frame upper quick clamps 2-9, two door frame upper supports 2-10, two door frame lower quick clamps 2-11, two door frame lower supports 2-12, two upper quick clamps 2-13, two upper positioning supports 2-14, two upper bolts 2-15, two height positioning supports 2-17, two height bolts 2-16, two fixing seats 2-18, two L-shaped bolts 2-19, two lower quick clamps 2-20, two lower positioning supports 2-21, two lower bolts 2-22, four supports 2-23, two pressing wheel mechanisms 2-24, four positioning seats 2-25 and two lifting plates 2-26, wherein two lifting plates 2-26 are fixed at two ends of an upper cross beam of the rectangular frame 2-1.
The rectangular frame 2-1 is connected with the cushioning caster through four supports 2-23 and then is supported above the ground, the door frame shape following supporting structure 2-2 comprises a plurality of shape following supporting blocks, the shape following supporting blocks are symmetrically fixed on the side surfaces of two longitudinal beams of the rectangular frame 2-1, and the shape of a supporting surface formed by the shape following supporting blocks is the same as that of a supported surface of the movable door frame 1-1. The number of the door frame two-side clamping devices 2-3 is the same as that of the shape following supporting blocks, the door frame two-side clamping devices 2-3 are symmetrically fixed on the left longitudinal beam and the right longitudinal beam of the rectangular frame 2-1, and the clamping end of each door frame two-side clamping device 2-3 is positioned right above the door frame shape following supporting structure 2-2.
Two upper upright posts 2-4 are fixed on an upper cross beam of the rectangular frame 2-1, two lower upright posts 2-5 are fixed on a lower cross beam of the rectangular frame 2-1, two side clamping devices 2-6 are fixed on the side surfaces of the left and right longitudinal beams of the rectangular frame 2-1, two upper vehicle body jacking devices 2-7 are fixed at two ends of the upper cross beam of the rectangular frame 2-1, and two lower vehicle body jacking devices 2-8 are fixed at two ends of the lower cross beam of the rectangular frame 2-1.
Two doorframe upper part supports 2-10 are fixed on an upper beam of a rectangular framework 2-1, two doorframe upper part quick clamps 2-9 are correspondingly fixed on the side end faces opposite to the positions of two upper part upright posts 2-4 one by one, and the pressing ends of the two doorframe upper part quick clamps 2-9 are correspondingly arranged right above the two doorframe upper part supports 2-10 one by one.
Two doorframe lower part supports 2-12 are fixed on the outer end face of a rectangular framework 2-1 lower beam, two doorframe lower part quick clamps 2-11 are fixed on the rectangular framework 2-1 lower beam, and the pressing ends of the two doorframe lower part quick clamps 2-11 are correspondingly arranged right above the two doorframe lower part supports 2-12 one by one.
The two upper positioning supports 2-14 are correspondingly fixed on the side end faces of the two upper upright posts 2-4 facing the inside of the rectangular frame 2-1 one by one, the two upper quick clamps 2-13 are correspondingly fixed at one ends of the two upper positioning supports 2-14 one by one, and the two upper bolts 2-15 are correspondingly fixed at the other ends of the two upper positioning supports 2-14 one by one.
The two height positioning supports 2-17 are correspondingly fixed on the side end faces of the two upper upright posts 2-4 back to the inside of the rectangular frame 2-1 one by one, and the two height bolts 2-16 are correspondingly fixed on the two height positioning supports 2-17 one by one.
The two fixing seats 2-18 are correspondingly fixed on the side end faces of the two upper upright posts 2-4 facing the longitudinal beam of the rectangular frame 2-1 one by one, and the two L-shaped bolts 2-19 are fixed on the outer side end face of the upper cross beam of the rectangular frame 2-1.
The two lower positioning supports 2-21 are correspondingly fixed on the top end surfaces of the two lower upright posts 2-5 one by one, the two lower quick clamps 2-20 are correspondingly fixed at one ends of the two lower positioning supports 2-21 one by one, and the two lower bolts 2-22 are correspondingly fixed at the other ends of the two lower positioning supports 2-21 one by one.
The two pressing wheel mechanisms 2-24 are correspondingly fixed on two side end faces opposite to the positions of the two lower upright posts 2-5 one by one, and the two pressing wheel mechanisms 2-24 can be positioned after being rotated by 90 degrees horizontally and vertically relative to the lower upright posts 2-5.
The four positioning seats 2-25 are symmetrically fixed on two longitudinal beams of the rectangular frame 2-1 in pairs. The positioning seat 2-25 comprises a vertical plate 2-25-1, a horizontal plate 2-25-2 and a pin 2-25-3, wherein the vertical plate 2-25-1 is fixedly connected with the horizontal plate 2-25-2 in a T shape, the pin 2-25-3 is fixedly connected to the outer side face of one end of the vertical plate 2-25-1, the horizontal plate 2-25-2 is fixed to the bottom face of the longitudinal beam, and the inner side face of the other end of the vertical plate 2-25-1 is fixedly connected to the inner side face of the longitudinal beam.
As shown in fig. 11 to 15, the pinch roller mechanism 2-24 comprises a pinch roller limiting seat 2-24-1, a pinch roller 2-24-2, a distance adjusting screw rod structure 2-24-3 and a rotary adjusting screw rod structure 2-24-4; a round through hole 2-24-1-1 is arranged at one corner of the pinch roller limiting seat 2-24-1, two limiting pins 2-24-1-2 are arranged at the periphery of the round through hole 2-24-1-1, and the included angles between the centers of the two limiting pins 2-24-1-2 and the connecting line of the circle centers of the round through holes 2-24-1-1 are 90 degrees respectively; the pressing wheel 2-24-2 is fixed at the bottom of a nut end of the distance adjusting screw structure 2-24-3 through a shaft seat, the nut of the distance adjusting screw structure 2-24-3 is of a cuboid structure, the nut of the rotary adjusting screw structure 2-24-4 is of a cylindrical structure, the nut end of the rotary adjusting screw structure 2-24-4 is vertically and fixedly connected to the side surface of the nut end of the distance adjusting screw structure 2-24-3, and a circular groove 2-24-3-1 is formed in the distance adjusting screw structure 2-24-3 in a position right below the joint of the distance adjusting screw structure 2-24-4 and the rotary adjusting screw structure 2-24-4; the two lower upright posts 2-5 are respectively provided with a screw hole 2-5-2 on the opposite inner side surfaces, the two lower upright posts 2-5 are respectively provided with a screw rod hole 2-5-1 on the side surfaces opposite to the respective screw holes 2-5-2, and the screw holes 2-5-2 on the same lower upright post 2-5 are superposed with the axis of the screw rod hole 2-5-1; the pinch roller limiting seat 2-24-1 is fixed on the side surface of the lower upright post 2-5, and the axis of the round through hole 2-24-1-1 is superposed with the axis of the nut hole 2-5-2; the nut end of the rotary adjusting screw structure 2-24-4 penetrates through the circular through hole 2-24-1-1 and the nut hole 2-5-2 in sequence and then is inserted into the lower upright post 2-5, and the screw end of the rotary adjusting screw structure 2-24-4 is inserted into the lower upright post 2-5 through the screw rod hole 2-5-1 and then is in threaded connection with the nut end. When the pressing wheel mechanism 2-24 is not used, the distance adjusting lead screw structure 2-24-3 is arranged in parallel with the lower upright post 2-5, in this state, the limiting pin 2-24-1-2 positioned right below the circular through hole 2-24-1-1 is inserted into the circular groove 2-24-3-1, and the distance adjusting lead screw structure 2-24-3 is tightly attached to the pressing wheel limiting seat 2-24-1 by screwing the rotating adjusting lead screw structure 2-24-4, so that the limiting of the pressing wheel mechanism 2-24 in the unused state, namely in the vertical direction, is realized. When the pinch roller mechanism 2-24 is used, the distance adjusting screw rod structure 2-24-3 and the lower upright post 2-5 are required to be vertically arranged, then the telescopic distance of the pinch roller 2-24-2 is adjusted through the distance adjusting screw rod structure 2-24-3, and the operation process is as follows: firstly, loosening the rotary adjusting screw rod structure 2-24-4 to enable the limiting pin 2-24-1-2 located right below the circular through hole 2-24-1-1 to be separated from the circular groove 2-24-3-1, then rotating the distance adjusting screw rod structure 2-24-3 from the vertical direction to the horizontal direction, then inserting the limiting pin 2-24-1-2 located on the side face of the circular through hole 2-24-1-1 into the circular groove 2-24-3-1, and screwing the rotary adjusting screw rod structure 2-24-4 to enable the distance adjusting screw rod structure 2-24-3 to be tightly attached to the pressing wheel limiting seat 2-24-1, so that the using state of the pressing wheel mechanism 2-24, namely limiting in the horizontal direction is achieved; and finally, the stretching distance of the pinch roller 2-24-2 is adjusted through the distance adjusting screw rod structure 2-24-3.
The driving mechanism height positioning mechanism 3 comprises a U-shaped beam 3-1, two connecting seats 3-2 and two height positioning quick clamps 3-3,U, two pin holes are arranged on the side surface of the horizontal beam of the beam 3-1, one ends of the two connecting seats 3-2 are fixed at the top end of the vertical beam of the U-shaped beam 3-1, and a plurality of screw holes are arranged at the other ends of the two connecting seats 3-2; the fixed ends of the two height positioning quick clamps 3-3 are fixed on the bottom surface of the U-shaped beam 3-1 horizontal beam.
The upper positioning mechanism 4 in the vehicle body is of an I-shaped structure, two groups of upper positioning pin holes 4-1 are arranged on a beam in the middle of the positioning mechanism, and the distance between each group of upper positioning pin holes 4-1 is equal to the distance between two upper bolts 2-15. The lower positioning mechanism 5 in the vehicle body is of an I-shaped structure, two groups of lower positioning pin holes 5-1 are arranged on a beam in the middle of the positioning mechanism, and the distance between the lower positioning pin holes 5-1 in each group is equal to the distance between the two lower bolts 2-22.
The equipment frame mounting mechanism 6 comprises a long longitudinal beam 6-1, a T-shaped beam 6-2, two lifting seats 6-3, a plurality of bases 6-4, four rectangular plates 6-5, a first square upright 6-6, a second square upright 6-7, a third square upright 6-8, a fourth square upright 6-9, a fifth square upright 6-10, four equipment frame quick clamps 6-11, two square plates 6-12, two first L-shaped plates 6-13, two second L-shaped plates 6-14, two third L-shaped plates 6-15, two fourth L-shaped plates 6-16 and two fifth L-shaped plates 6-17; one end of the long longitudinal beam 6-1 is fixedly connected with the vertical end of the T-shaped beam 6-2, two lifting seats 6-3 are fixedly connected with the horizontal end of the T-shaped beam 6-2, and a plurality of bases 6-4 are fixedly connected with the bottom surface of the long longitudinal beam 6-1; two square plates 6-12 are transversely and parallelly fixedly connected on two side surfaces of the lower part of the second square upright post 6-7.
Two rectangular plates 6-5 form a group, two rectangular plates 6-5 in each group are fixedly connected on the same base 6-4 in parallel, one side of the middle part of each rectangular plate 6-5 is provided with a U-shaped pin hole 6-5-1, and the opening directions of the two U-shaped pin holes 6-5-1 of each group of rectangular plates 6-5 are the same.
Two of the four equipment rack quick clamps 6-11 form a group, and the two equipment rack quick clamps 6-11 in each group are fixedly connected to the lower parts of the two rectangular plates 6-5 in parallel.
The first square upright 6-6, the second square upright 6-7, the third square upright 6-8, the fourth square upright 6-9 and the fifth square upright 6-10 are all fixed on the upper end surface of the long longitudinal beam 6-1, two first L-shaped plates 6-13 are all symmetrically fixed on two sides of the upper part of the first square upright 6-6 through connecting pieces, two second L-shaped plates 6-14 are all symmetrically fixed on two sides of the upper part of the second square upright 6-7 through connecting pieces, two third L-shaped plates 6-15 are all symmetrically fixed on two sides of the upper part of the third square upright 6-8 through connecting pieces, two fourth L-shaped plates 6-16 are all symmetrically fixed on two sides of the upper part of the fourth square upright 6-9 through connecting pieces, and two fifth L-shaped plates 6-17 are all symmetrically fixed on two sides of the upper part of the fifth square upright 6-10 through connecting pieces; at least one screw hole is arranged on the short side plate of each L-shaped plate; the distance between the adjacent first L-shaped plate 6-13, second L-shaped plate 6-14, third L-shaped plate 6-15, fourth L-shaped plate 6-16 and fifth L-shaped plate 6-17 on the same side and the height position of each L-shaped plate are uniformly and correspondingly the same as the distance and position of the first L-shaped end face 1-2-1, the second L-shaped end face 1-2-2, the third L-shaped end face 1-2-3, the fourth L-shaped end face 1-2-4 and the fifth L-shaped end face 1-2-5 on the equipment frame 1-2.
As shown in fig. 18 to 20, the process of installing the sliding plug door system when the equipment rack is on the right side by using the sliding plug door system installation device for the motor train unit of the invention is as follows:
firstly, assembling a movable door frame 1-1 and a movable door frame clamping mechanism 2 under a vehicle, wherein the operation process is as follows: the movable doorframe clamping mechanism 2 is placed on a flat ground, the movable doorframe 1-1 is placed on the supporting surfaces of a doorframe conformal supporting structure 2-2, a doorframe upper supporting seat 2-10 and a doorframe lower supporting seat 2-12, and then the movable doorframe 1-1 is clamped by a plurality of doorframe two-side clampers 2-3, two doorframe upper supporting seats 2-10 and two doorframe lower supporting seats 2-12, so that the assembly of the movable doorframe 1-1 and the movable doorframe clamping mechanism 2 is completed.
Secondly, integrally hoisting the assembled movable door frame 1-1 and the movable door frame clamping mechanism 2 to a door opening of a motor train unit body by using a crown block through two hoisting plates 2-26, adjusting four gaps of the movable door frame 1-1 and the door opening up, down, left and right to be uniform, rotating two pressing wheels 2-24-2 of two pressing wheel mechanisms 2-24 by 90 degrees, locking and positioning the two pressing wheels 2-24-2 until the two pressing wheels 2-24-2 are pressed on a door opening floor, then installing an inner upper positioning mechanism 4 of the motor train body on the upper part of the movable door frame clamping mechanism 2 through two upper positioning supports 2-14, two upper bolts 2-15 and two upper quick clamps 2-13, installing an inner lower positioning mechanism 5 of the motor train body on the lower part of the movable door frame clamping mechanism 2 through two lower positioning supports 2-21, two lower bolts 2-22 and two lower quick clamps 2-20, then screwing two upper vehicle body lifters 2-7 and two lower vehicle body lifters 2-8 positioned outside the motor train body to be abutted against the upper part and the outer lower part of the motor train body, and the movable door frame clamping mechanism 2-1 and the movable door frame clamping mechanism are determined together with the movable door frame clamping mechanism.
Thirdly, the driving mechanism height positioning mechanism 3 is arranged on the movable door frame clamping mechanism 2, and the process is as follows: inserting the height inserted pins 2-16 into two pin holes on the side surface of the horizontal beam of the U-shaped beam 3-1, placing the U-shaped beam 3-1 on the height positioning support 2-17, then clamping the two fixed seats 2-18 of the movable doorframe clamping mechanism 2 by the two height positioning quick clamps 3-3, and further installing the driving mechanism height positioning mechanism 3 on the top of the movable doorframe clamping mechanism 2.
Fourthly, the driving mechanism hanging seat 1-3-1 is installed on the connecting seat 3-2 of the driving mechanism height positioning mechanism 3 through the transverse long-strip hole 1-3-1-1, then the driving mechanism hanging seat 1-3-1 is installed on the upper portion of the vehicle body through the longitudinal long-strip hole 1-3-1-2, and therefore the relation between the driving mechanism hanging seat 1-3-1 and the vehicle body is determined. After the movable door frame 1-1 and the equipment frame 1-2 are respectively installed on the vehicle body, and the movable door frame clamping mechanism 2, the driving mechanism height positioning mechanism 3, the vehicle body upper portion positioning mechanism 4, the vehicle body lower portion positioning mechanism 5 and the equipment frame installation mechanism 6 are removed, the driving mechanism 1-3 is directly installed on the driving mechanism hanging seat 1-3-1, and then the driving mechanism 1-3 and the vehicle body can be accurately installed.
Fifthly, assembling the equipment rack mounting mechanism 6 and the equipment racks 1-2 under the vehicle, wherein the operation process is as follows: the equipment frame mounting mechanism 6 is placed on a flat ground, the equipment frame 1-2 is lifted to the position near the equipment frame mounting mechanism 6, and the first L-shaped plate 6-13, the second L-shaped plate 6-14, the third L-shaped plate 6-15, the fourth L-shaped plate 6-16 and the fifth L-shaped plate 6-17 on the right side of the equipment frame mounting mechanism 6 are in one-to-one correspondence with the first L-shaped end face 1-2-1, the second L-shaped end face 1-2-2, the third L-shaped end face 1-2-3, the fourth L-shaped end face 1-2-4 and the fifth L-shaped end face 1-2-5 on the equipment frame 1-2 and are fixedly connected through bolts, so that the equipment frame mounting mechanism 6 and the equipment frame 1-2 are assembled.
Sixthly, the assembled equipment frame installation mechanism 6 and the assembled equipment frame 1-2 are hoisted to the door opening of the vehicle body through the hoisting seat 6-3 by using the crown block, the two U-shaped pin holes 6-5-1 on the right side of the equipment frame installation mechanism 6 are correspondingly sleeved on the two pins 2-25-3 on the right side of the movable door frame clamping mechanism 2, the two equipment frame quick clamps 6-11 on the right side of the equipment frame installation mechanism 6 are clamped on the two vertical plates 2-25-1 on the right side of the movable door frame clamping mechanism 2, then the side clamping devices 2-6 on the right side of the movable door frame clamping mechanism 2 are used for clamping the square plates 6-12 on the right side of the equipment frame installation mechanism 6, and therefore, the assembling position relation of the equipment frame 1-2 and the vehicle body is determined, and then the equipment frame 1-2 is fixedly connected with the vehicle body through bolts.
In conclusion, the installation device for the plug door system of the motor train unit can realize one-time installation and positioning of the plug door system 1, improves the installation precision and improves the installation efficiency.
The plug door system 1 of the motor train unit comprises two structural forms of a left side door and a right side door, when the left side door is opened, the equipment racks 1-2 are installed on the left side of the motor train unit, when the right side door is opened, the equipment racks 1-2 are installed on the right side of the motor train unit, and the structures of the equipment racks 1-2 on the left side and the right side are symmetrical. The movable door frame clamping mechanism 2 and the equipment frame mounting mechanism 6 are bilaterally symmetrical structures, and the equipment frame mounting mechanism 6 is matched with the movable door frame clamping mechanism 2 in structure, so that the equipment frames on the left side and the right side can be mounted, and the practicability and the universality are enhanced.

Claims (6)

1. EMUs sliding plug door system installation device, its characterized in that, the device includes: the device comprises a movable door frame clamping mechanism (2) for clamping and fixing a movable door frame (1-1) of the sliding plug door system, a driving mechanism height positioning mechanism (3) for positioning the driving mechanism (1-3) of the sliding plug door system, an in-vehicle upper part positioning mechanism (4) for mounting and positioning the upper part of the movable door frame clamping mechanism (2), an in-vehicle lower part positioning mechanism (5) for mounting and positioning the lower part of the movable door frame clamping mechanism (2), and an equipment frame mounting mechanism (6) for mounting and positioning an equipment frame (1-2) of the sliding plug door system; the driving mechanism height positioning mechanism (3) is arranged at the top of the movable door frame clamping mechanism (2), the upper positioning mechanism (4) in the vehicle body is arranged at the upper part of the movable door frame clamping mechanism (2), the lower positioning mechanism (5) in the vehicle body is arranged at the lower part of the movable door frame clamping mechanism (2), and the equipment frame mounting mechanism (6) is arranged at the left side or the right side of the movable door frame clamping mechanism (2);
the movable door frame clamping mechanism (2) comprises a rectangular frame (2-1), a door frame shape-following supporting structure (2-2), a plurality of door frame two-side clamping devices (2-3), two upper upright posts (2-4), two lower upright posts (2-5), two side clamping devices (2-6), two upper vehicle body jacking devices (2-7), two lower vehicle body jacking devices (2-8), two door frame upper quick clamps (2-9), two door frame upper supports (2-10), two door frame lower quick clamps (2-11), two door frame lower supports (2-12) and two upper quick clamps (2-13), the device comprises two upper positioning supports (2-14), two upper bolts (2-15), two height bolts (2-16), two height positioning supports (2-17), two fixing seats (2-18), two L-shaped bolts (2-19), two lower quick clamps (2-20), two lower positioning supports (2-21), two lower bolts (2-22), four supports (2-23), two pressing wheel mechanisms (2-24), four positioning seats (2-25) and two lifting plates (2-26);
the rectangular frame (2-1) is supported above the ground through four supports (2-23), the door frame shape following support structures (2-2) are symmetrically fixed on the left side surface and the right side surface of the rectangular frame (2-1), and the shape of the support surface of the door frame shape following support structures (2-2) is the same as that of the supported surface of the movable door frame (1-1);
the door frame shape following supporting structure comprises a rectangular frame (2-1), a plurality of door frame shape following supporting structures and a plurality of door frame shape following supporting structures, wherein the door frame shape following supporting structures are arranged on the rectangular frame (2-1);
two upper upright posts (2-4) are fixed on an upper cross beam of a rectangular frame (2-1), two lower upright posts (2-5) are fixed on a lower cross beam of the rectangular frame (2-1), two side clamping devices (2-6) are fixed on the side surfaces of a left longitudinal beam and a right longitudinal beam of the rectangular frame (2-1), two upper vehicle body jacking devices (2-7) are fixed at two ends of the upper cross beam of the rectangular frame (2-1), and two lower vehicle body jacking devices (2-8) are fixed at two ends of the lower cross beam of the rectangular frame (2-1);
two door frame upper part supports (2-10) are fixed on an upper beam of a rectangular frame (2-1), two door frame upper part quick clamps (2-9) are fixed on the side end faces of two upper part upright posts (2-4) in opposite positions in a one-to-one correspondence manner, and the pressing ends of the two door frame upper part quick clamps (2-9) are arranged right above the two door frame upper part supports (2-10) in a one-to-one correspondence manner;
two doorframe lower part supports (2-12) are fixed on the outer end face of a rectangular framework (2-1) lower beam, two doorframe lower part quick clamps (2-11) are fixed on the rectangular framework (2-1) lower beam, and the pressing ends of the two doorframe lower part quick clamps (2-11) are correspondingly arranged right above the two doorframe lower part supports (2-12) one by one;
the two upper positioning supports (2-14) are fixed on the side end faces, facing the inside of the rectangular frame (2-1), of the two upper upright columns (2-4) in a one-to-one correspondence manner, the two upper quick clamps (2-13) are fixed at one ends of the two upper positioning supports (2-14) in a one-to-one correspondence manner, and the two upper bolts (2-15) are fixed at the other ends of the two upper positioning supports (2-14) in a one-to-one correspondence manner;
the two height positioning supports (2-17) are fixed on the side end faces of the two upper upright posts (2-4) back to the inside of the rectangular frame (2-1) in a one-to-one correspondence manner, and the two height bolts (2-16) are fixed on the two height positioning supports (2-17) in a one-to-one correspondence manner;
two fixing seats (2-18) are fixed on the side end faces of two upper upright posts (2-4) facing to the longitudinal beam of the rectangular frame (2-1) in a one-to-one correspondence manner, and two L-shaped bolts (2-19) are fixed on the side end faces of the outer side of the upper cross beam of the rectangular frame (2-1);
the two lower positioning supports (2-21) are fixed on the top end surfaces of the two lower upright posts (2-5) in a one-to-one correspondence manner, the two lower quick clamps (2-20) are fixed at one ends of the two lower positioning supports (2-21) in a one-to-one correspondence manner, and the two lower bolts (2-22) are fixed at the other ends of the two lower positioning supports (2-21) in a one-to-one correspondence manner;
the two pressing wheel mechanisms (2-24) are correspondingly fixed on two side end faces opposite to the positions of the two lower upright columns (2-5) one by one, and the two pressing wheel mechanisms (2-24) can be rotationally positioned by 90 degrees relative to the lower upright columns (2-5);
the four positioning seats (2-25) are symmetrically fixed on two longitudinal beams of the rectangular frame (2-1) in pairs, and the two lifting plates (2-26) are fixed at two ends of an upper cross beam of the rectangular frame (2-1);
the driving mechanism height positioning mechanism (3) comprises a U-shaped beam (3-1), two connecting seats (3-2) and two height positioning quick clamps (3-3), two pin holes are formed in the side face of a horizontal beam of the U-shaped beam (3-1), one ends of the two connecting seats (3-2) are fixed to the top end of a vertical beam of the U-shaped beam (3-1), and a plurality of screw holes are formed in the other ends of the two connecting seats (3-2); the fixed ends of the two height positioning quick clamps (3-3) are fixed on the bottom surface of the horizontal beam of the U-shaped beam (3-1);
the equipment frame mounting mechanism (6) comprises a long longitudinal beam (6-1), a T-shaped beam (6-2), two lifting seats (6-3), a plurality of bases (6-4), four rectangular plates (6-5), a first square upright (6-6), a second square upright (6-7), a third square upright (6-8), a fourth square upright (6-9), a fifth square upright (6-10), four equipment frame quick clamps (6-11), two square plates (6-12), two first L-shaped plates (6-13), two second L-shaped plates (6-14), two third L-shaped plates (6-15), two fourth L-shaped plates (6-16) and two fifth L-shaped plates (6-17);
one end of the long longitudinal beam (6-1) is fixedly connected with the vertical end of the T-shaped beam (6-2), the two hoisting seats (6-3) are fixedly connected with the horizontal end of the T-shaped beam (6-2), and the plurality of bases (6-4) are fixedly connected with the bottom surface of the long longitudinal beam (6-1);
two rectangular plates (6-5) are in a group, two rectangular plates (6-5) in each group are fixedly connected to the same base (6-4) in parallel, one side of the middle part of each rectangular plate (6-5) is provided with a U-shaped pin hole (6-5-1), and the opening directions of the two U-shaped pin holes (6-5-1) of each group of rectangular plates (6-5) are the same;
two of the four equipment rack quick clamps (6-11) form a group, and the two equipment rack quick clamps (6-11) in each group are fixedly connected to the lower parts of the two rectangular plates (6-5) in parallel;
the first square upright post (6-6), the second square upright post (6-7), the third square upright post (6-8), the fourth square upright post (6-9) and the fifth square upright post (6-10) are all fixed on the upper end surface of the long longitudinal beam (6-1), two first L-shaped plates (6-13) are all symmetrically fixed on two sides of the upper part of the first square upright post (6-6) through connecting pieces, two second L-shaped plates (6-14) are all symmetrically fixed on two sides of the upper part of the second square upright post (6-7) through connecting pieces, two third L-shaped plates (6-15) are all symmetrically fixed on two sides of the upper part of the third square upright post (6-8) through connecting pieces, two fourth L-shaped plates (6-16) are all symmetrically fixed on two sides of the upper part of the fourth square upright post (6-9) through connecting pieces, and two fifth L-shaped plates (6-17) are all symmetrically fixed on two sides of the upper part of the fifth square upright post (6-10) through connecting pieces; at least one screw hole is arranged on the short edge plate of each L-shaped plate; the distance between the adjacent first L-shaped plate (6-13), second L-shaped plate (6-14), third L-shaped plate (6-15), fourth L-shaped plate (6-16) and fifth L-shaped plate (6-17) on the same side, and the height position of each L-shaped plate are uniformly and correspondingly the same as the distance and position of the first L-shaped end face (1-2-1), second L-shaped end face (1-2-2), third L-shaped end face (1-2-3), fourth L-shaped end face (1-2-4) and fifth L-shaped end face (1-2-5) on the equipment frame (1-2);
the two square plates (6-12) are transversely and parallelly fixedly connected on two side surfaces of the lower part of the second square upright post (6-7).
2. The installation device of the plug door system of the motor train unit according to claim 1, wherein the door frame conformal support structure (2-2) comprises a plurality of conformal support blocks, the conformal support blocks are symmetrically fixed on the side surfaces of two longitudinal beams of the rectangular frame (2-1), the shape of a support surface formed by the conformal support blocks is the same as that of a supported surface of the movable door frame (1-1), and the number of the conformal support blocks is the same as that of the clampers (2-3) on the two sides of the door frame.
3. The motor train unit sliding plug door system mounting device as claimed in claim 1, wherein the pinch roller mechanism (2-24) comprises a pinch roller limiting seat (2-24-1), a pinch roller (2-24-2), a distance adjusting screw structure (2-24-3) and a rotary adjusting screw structure (2-24-4); a round through hole (2-24-1-1) is formed in one corner of the pinch roller limiting seat (2-24-1), two limiting pins (2-24-1-2) are arranged on the periphery of the round through hole (2-24-1-1), and the included angles between the centers of the two limiting pins (2-24-1-2) and the connecting line of the circle centers of the round through holes (2-24-1-1) are 90 degrees; the pinch roller (2-24-2) is fixed at the bottom of a nut end of the distance adjusting screw structure (2-24-3) through a shaft seat, the nut of the distance adjusting screw structure (2-24-3) is of a cuboid structure, the nut of the rotary adjusting screw structure (2-24-4) is of a cylindrical structure, the nut end of the rotary adjusting screw structure (2-24-4) is vertically and fixedly connected to the side surface of the nut end of the distance adjusting screw structure (2-24-3), and a circular groove (2-24-3-1) is formed in the distance adjusting screw structure (2-24-3) in the position right below the joint of the distance adjusting screw structure (2-24-4); the two lower upright posts (2-5) are respectively provided with a screw hole (2-5-2) on the opposite inner side surfaces, the two lower upright posts (2-5) are respectively provided with a screw rod hole (2-5-1) on the side surfaces opposite to the respective screw holes (2-5-2), and the screw holes (2-5-2) on the same lower upright post (2-5) are superposed with the axis of the screw rod holes (2-5-1); the pinch roller limiting seat (2-24-1) is fixed on the side surface of the lower upright post (2-5), and the axis of the round through hole (2-24-1-1) is overlapped with the axis of the screw hole (2-5-2); the nut end of the rotary adjusting screw structure (2-24-4) penetrates through the circular through hole (2-24-1-1) and the nut hole (2-5-2) in sequence and then is inserted into the lower upright post (2-5), and the screw end of the rotary adjusting screw structure (2-24-4) is inserted into the lower upright post (2-5) through the screw rod hole (2-5-1) and then is in threaded connection with the nut end.
4. The mounting device for the plug door system of the motor train unit according to claim 1, wherein the positioning seat (2-25) comprises a vertical plate (2-25-1), a horizontal plate (2-25-2) and a pin (2-25-3), the vertical plate (2-25-1) is fixedly connected with the horizontal plate (2-25-2) in a T shape, the pin (2-25-3) is fixedly connected with the outer side face of one end of the vertical plate (2-25-1), the horizontal plate (2-25-2) is fixedly connected with the bottom face of the longitudinal beam, and the inner side face of the other end of the vertical plate (2-25-1) is fixedly connected with the inner side face of the longitudinal beam.
5. The motor train unit sliding plug door system mounting device as claimed in claim 1, wherein the upper positioning mechanism (4) in the motor train unit body is of an I-shaped structure, two groups of upper positioning pin holes (4-1) are formed in a beam in the middle of the positioning mechanism, and the distance between each group of upper positioning pin holes (4-1) is equal to the distance between two upper bolts (2-15).
6. The mounting device for the plug door system of the motor train unit according to claim 1, wherein the lower positioning mechanism (5) in the motor train unit is in an I-shaped structure, two groups of lower positioning pin holes (5-1) are formed in a beam in the middle of the mounting device, and the distance between the lower positioning pin holes (5-1) in each group is equal to the distance between the two lower bolts (2-22).
CN201710284883.7A 2017-04-27 2017-04-27 EMUs sliding plug door system installation device Active CN106984969B (en)

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