CN114029363A - Deformation adjusting and repairing device for end wall of aluminum alloy railway passenger car - Google Patents

Deformation adjusting and repairing device for end wall of aluminum alloy railway passenger car Download PDF

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Publication number
CN114029363A
CN114029363A CN202111331342.8A CN202111331342A CN114029363A CN 114029363 A CN114029363 A CN 114029363A CN 202111331342 A CN202111331342 A CN 202111331342A CN 114029363 A CN114029363 A CN 114029363A
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CN
China
Prior art keywords
clamping mechanism
jack
end wall
sliding
adjusting
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Pending
Application number
CN202111331342.8A
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Chinese (zh)
Inventor
张休巍
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CRRC Changchun Railway Vehicles Co Ltd
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CRRC Changchun Railway Vehicles Co Ltd
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Priority to CN202111331342.8A priority Critical patent/CN114029363A/en
Publication of CN114029363A publication Critical patent/CN114029363A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/12Straightening vehicle body parts or bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/06Removing local distortions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

An aluminum alloy railway passenger car end wall deformation adjusting and repairing device belongs to the field of auxiliary adjusting and repairing devices for welding deformation of railway vehicle end walls and comprises a cross beam, a jack supporting mechanism and two sliding clamping mechanisms; the jack support mechanism comprises a jack fixing seat and a jack; the sliding clamping mechanism comprises a clamping mechanism sliding sleeve, a clamping mechanism and a shaft seat. The adjusting and repairing device can greatly reduce the labor intensity of deformation adjusting and repairing, simplify the operation flow, improve the operation efficiency, improve the adjusting and repairing quality, and thoroughly avoid the old risk of damaging the base metal of the workpiece in the operation process, thereby ensuring the processing quality of the workpiece, ensuring the operation safety of an operator, and obviously saving the production cost.

Description

Deformation adjusting and repairing device for end wall of aluminum alloy railway passenger car
Technical Field
The invention belongs to the field of auxiliary adjusting and repairing devices for welding deformation of end walls of railway vehicles, and particularly relates to an adjusting and repairing device for deformation of end walls of aluminum alloy railway carriages.
Background
As shown in fig. 1 to 3, when a vehicle body of the railway passenger vehicle is synthesized, after an end wall 7 is welded with a roof 8, a side wall 9 and an underframe 10, an end wall upright 7-2 and an end wall plate 7-1 of the railway passenger vehicle generate severe welding buckling deformation or dent deformation, so that the flatness of the end wall plate 7-1 and the end wall upright 7-2 exceeds the tolerance acceptance requirement. The existing adjusting and repairing mode for carrying out flame heating and hammering on the end wall upright post 7-2 is complex and tedious, has high labor intensity and low operation efficiency, easily causes damage to the parent metal of the end wall 7, and an operator cannot ensure the operation quality and the production safety, thereby restricting the reduction of the production cost.
Disclosure of Invention
The end wall vertical column and the end wall plate can generate severe welding buckling deformation or sinking deformation after the end wall, the side wall, the bottom frame and the roof are welded during the synthesis of the existing vehicle body, so that the flatness of the end wall plate and the end wall vertical column exceeds the tolerance acceptance requirement; the invention provides an end wall deformation adjusting and repairing device of an aluminum alloy railway passenger car, and the device has the technical problems that the existing adjusting and repairing mode for carrying out flame heating and hammering on an end wall stand column is complex and tedious, high in labor intensity and low in operation efficiency, parent materials of an end wall are easily damaged, an operator cannot guarantee operation quality and production safety, and reduction of production cost is restricted.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the deformation adjusting and repairing device for the end wall of the aluminum alloy railway passenger car comprises a cross beam, a jack supporting mechanism and two sliding clamping mechanisms; the jack support mechanism comprises a jack fixing seat and a jack; the jack fixing seat is fixedly connected to the center of the cross beam, a hydraulic cylinder of the jack is fixedly connected in the jack fixing seat, and a piston end of the hydraulic cylinder is upwards exposed out of the jack fixing seat and is perpendicular to the cross beam; the manual hydraulic pump of the jack is placed on one side of the adjusting and repairing device, and the jack is used for tightly jacking the lower end face of the end wall upright post; the manual hydraulic pump is communicated with the hydraulic cylinder through a hydraulic pipeline;
the sliding clamping mechanism comprises a clamping mechanism sliding sleeve, a clamping mechanism and a shaft seat; the two clamping mechanism sliding sleeves are connected with the cross beam in a sliding manner, and the base of the clamping mechanism is rotationally connected with the tops of the clamping mechanism sliding sleeves through a shaft seat through a rotating shaft;
the two sliding clamping mechanisms are respectively arranged on two sides of the jack supporting mechanism, and each set of sliding clamping mechanism and the cross beam form a sliding block guide rail mechanism through a sliding sleeve of the clamping mechanism.
A transverse threaded through hole is formed in the side wall of the sliding sleeve of the clamping mechanism, and a locking screw penetrates through the transverse threaded through hole and is in threaded connection with the transverse threaded through hole; the axis of the shaft seat is parallel to the axis of the transverse threaded through hole.
The clamping mechanism comprises a vertical pressing screw rod based on a screw rod principle and a base platform, and the bottom of the base platform is detachably connected with the top of a sliding sleeve of the clamping mechanism through a bolt rotating shaft; the axis of the vertical pressing screw rod is perpendicular to the upper end face of the base platform, and the clamping mechanism is used for clamping two ends of the end wall stand column.
The invention has the beneficial effects that: according to the deformation adjusting and repairing device for the end wall of the aluminum alloy railway passenger car, two clamping mechanism sliding sleeves in sliding clamping mechanisms are connected with a cross beam in a sliding mode, and a base of each clamping mechanism is rotatably connected with the top of each clamping mechanism sliding sleeve through a rotating shaft through a shaft seat; the two sliding clamping mechanisms are respectively arranged on two sides of the jack supporting mechanism, and each set of sliding clamping mechanism and the cross beam form a sliding block guide rail mechanism through a sliding sleeve of the clamping mechanism. Based on the vertical lead screw that compresses tightly of lead screw principle, its axis perpendicular to base platform's up end for clamping mechanism can be used for pressing from both ends of tight headwall stand.
The two sets of sliding clamping mechanisms can freely slide on the cross beam and clamp and fix the end wall stand column at any position, so that the cross beam can be fixed below the end wall stand column in parallel, and the jack positioned in the middle section of the cross beam can avoid various accessory components on the end wall stand column and can be freely arranged at any corresponding position below the end wall stand column where the end wall stand column is sunken and deformed.
Arrange the jack of arranging in headwall stand below and be used for applying reverse accent to the sunken deformation zone of headwall stand and repair the holding power, mirror symmetry arranges that two sets of sliding clamping mechanism who arranges in headwall stand sunken deformation zone both sides then are used for providing perpendicular decurrent reaction force through its vertical compression screw rod, thereby convenient and fast ground realizes the cold-dispatching of synthetic welding rear end wall stand of automobile body and headwall deformation zone and repaiies, make sunken deformation reply to the plane, make it accord with the acceptance standard, and then solve the plane degree overproof problem of headwall.
The deformation adjusting and repairing device for the end wall of the aluminum alloy railway passenger car can greatly reduce the labor intensity of deformation adjusting and repairing, simplify the operation process, improve the operation efficiency, improve the adjusting and repairing quality, and thoroughly avoid the old risk of damaging the base metal of the workpiece in the operation process, thereby ensuring the processing quality of the workpiece, ensuring the operation safety of an operator, and remarkably saving the production cost.
In addition, the end wall deformation adjusting and repairing device for the aluminum alloy railway passenger car has the advantages of simple and practical structure, convenience in operation, low cost, convenience in popularization and the like.
Drawings
FIG. 1 is a schematic cross-sectional view of a vehicle body at the front of a headwall of a prior art railway passenger vehicle;
FIG. 2 is a front view of a passenger compartment end wall of a prior art railway car;
FIG. 3 is a side view of a simplified structure of a headwall and headwall post assembly of a prior art railway car;
FIG. 4 is a schematic perspective view of the deformation adjusting device for the end wall of the aluminum alloy railway passenger car;
FIG. 5 is a side view of the deformation adjusting device for the end wall of the aluminum alloy railway passenger car;
FIG. 6 is a schematic illustration of the explosive assembly of FIG. 4;
FIG. 7 is a schematic perspective view of the sliding clamping mechanism of the present invention;
FIG. 8 is a schematic view of the three-dimensional application of the deformation adjustment and repair device for the end wall of the aluminum alloy railway passenger car in the adjustment and repair of the synthetic car body;
FIG. 9 is a front view of FIG. 8;
FIG. 10 is a schematic application diagram of the deformation adjusting and repairing device for the end wall of the aluminum alloy railway passenger car, which is cut along the central axis of the car body;
FIG. 11 is a simplified schematic diagram of the deformation adjustment and repair device for the end wall of the aluminum alloy railway passenger car;
fig. 12 is a side view of fig. 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 4 to 12, the deformation adjusting and repairing device for the end wall of the aluminum alloy railway passenger car comprises a cross beam 1, a jack supporting mechanism and two sliding clamping mechanisms; the jack support mechanism comprises a jack fixing seat 2 and a jack 3; the jack fixing seat 2 is fixedly connected to the center of the cross beam 1, a hydraulic cylinder 3-1 of the jack 3 is fixedly connected in the jack fixing seat 2, and the piston end of the hydraulic cylinder 3-1 is upwards exposed out of the jack fixing seat 2 and is perpendicular to the cross beam 1; a manual hydraulic pump 3-2 of a jack 3 is arranged at one side of the adjusting and repairing device, and the jack 3 is used for tightly propping against the lower end face of an end wall upright post 7-2; the manual hydraulic pump 3-2 is communicated with the hydraulic cylinder 3-1 through a hydraulic pipeline 3-3;
the sliding clamping mechanism comprises a clamping mechanism sliding sleeve 4, a clamping mechanism 5 and a shaft seat 6; the two clamping mechanism sliding sleeves 4 are connected with the cross beam 1 in a sliding mode, and the base of the clamping mechanism 5 is connected with the tops of the clamping mechanism sliding sleeves 4 through a shaft seat 6 in a rotating mode through a rotating shaft;
the two sliding clamping mechanisms are respectively arranged at two sides of the jack supporting mechanism, and each sliding clamping mechanism and the cross beam 1 form a sliding block guide rail mechanism through a sliding sleeve 4 of the clamping mechanism.
A transverse threaded through hole 4-1 is formed in the side wall of the clamping mechanism sliding sleeve 4, and a locking screw 4-2 penetrates through the transverse threaded through hole 4-1 and is in threaded connection with the transverse threaded through hole; the axis of the shaft seat 6 is parallel to the axis of the transverse threaded through hole 4-1.
The clamping mechanism 5 comprises a vertical pressing screw rod 5-1 based on a screw rod principle and a base platform 5-2, and the bottom of the base platform 5-2 is detachably connected with the top of a sliding sleeve 4 of the clamping mechanism through a bolt rotating shaft 6-1; the axis of the vertical pressing screw rod 5-1 is vertical to the upper end face of the base platform 5-2, and the clamping mechanism 5 is used for clamping two ends of the end wall upright post 7-2.
Specifically, when the deformation adjustment and repair device for the end wall of the aluminum alloy railway passenger car is applied, as shown in fig. 7, a hydraulic cylinder 3-1 of a jack 3 is correspondingly arranged below the position with the maximum sunken deformation of an end wall upright post 7-2, then a clamping mechanism sliding sleeve 4 is slid along a cross beam 1, so that two sets of sliding clamping mechanisms are arranged on two sides of a jack fixing seat 2 in a mirror symmetry manner, a base platform 5-2 in each clamping mechanism 5 is correspondingly supported on the lower end surface of the end wall upright post 7-2, a vertical pressing screw rod 5-1 is matched with the base platform 5-2 under the action of a screw rod principle, so that the upper end surface and the lower end surface of the end wall upright post 7-2 are tightened, namely, a piston end of the hydraulic cylinder 3-1 is lifted by operating a manual hydraulic pump 3-2, and a reverse adjustment and repair supporting force is applied to the position with the maximum sunken deformation of the end wall upright post 7-2, the concave deformation is promoted to return to the plane, and the out-of-flatness of the end wall plate 7-1 is eliminated, so that the end wall plate meets the acceptance standard.

Claims (3)

1. The deformation adjustment and repair device for the end wall of the aluminum alloy railway passenger car is characterized by comprising a cross beam (1), a jack supporting mechanism and two sliding clamping mechanisms; the jack support mechanism comprises a jack fixing seat (2) and a jack (3); the jack fixing seat (2) is fixedly connected to the center of the cross beam (1), a hydraulic cylinder (3-1) of the jack (3) is fixedly connected in the jack fixing seat (2), and the piston end of the hydraulic cylinder (3-1) is upwards exposed out of the jack fixing seat (2) and is perpendicular to the cross beam (1); a manual hydraulic pump (3-2) of the jack (3) is arranged on one side of the adjusting and repairing device, and the jack (3) is used for tightly jacking the lower end face of the end wall upright post (7-2); the manual hydraulic pump (3-2) is communicated with the hydraulic cylinder (3-1) through a hydraulic pipeline (3-3);
the sliding clamping mechanism comprises a clamping mechanism sliding sleeve (4), a clamping mechanism (5) and a shaft seat (6); the two clamping mechanism sliding sleeves (4) are connected with the cross beam (1) in a sliding manner, and the base of the clamping mechanism (5) is rotationally connected with the top of the clamping mechanism sliding sleeve (4) through a shaft seat (6) through a rotating shaft;
the two sliding clamping mechanisms are respectively arranged on two sides of the jack supporting mechanism, and each sliding clamping mechanism and the cross beam (1) form a sliding block guide rail mechanism through a sliding sleeve (4) of the clamping mechanism.
2. The aluminum alloy railway passenger car headwall deformation adjusting and repairing device as claimed in claim 1, wherein a transverse threaded through hole (4-1) is formed in the side wall of the clamping mechanism sliding sleeve (4), and a locking screw (4-2) penetrates through the transverse threaded through hole (4-1) and is in threaded connection with the transverse threaded through hole; the axis of the shaft seat (6) is parallel to the axis of the transverse threaded through hole (4-1).
3. The aluminum alloy railway passenger car end wall deformation repair device as claimed in claim 1, wherein the clamping mechanism (5) comprises a vertical pressing screw rod (5-1) based on a screw rod principle and a base platform (5-2), and the bottom of the base platform (5-2) is detachably coupled with the top of the clamping mechanism sliding sleeve (4) through a bolt rotating shaft (6-1); the axis of the vertical pressing screw rod (5-1) is vertical to the upper end surface of the base platform (5-2), and the clamping mechanism (5) is used for clamping two ends of the end wall upright post (7-2).
CN202111331342.8A 2021-11-11 2021-11-11 Deformation adjusting and repairing device for end wall of aluminum alloy railway passenger car Pending CN114029363A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111331342.8A CN114029363A (en) 2021-11-11 2021-11-11 Deformation adjusting and repairing device for end wall of aluminum alloy railway passenger car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111331342.8A CN114029363A (en) 2021-11-11 2021-11-11 Deformation adjusting and repairing device for end wall of aluminum alloy railway passenger car

Publications (1)

Publication Number Publication Date
CN114029363A true CN114029363A (en) 2022-02-11

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CN202111331342.8A Pending CN114029363A (en) 2021-11-11 2021-11-11 Deformation adjusting and repairing device for end wall of aluminum alloy railway passenger car

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002307107A (en) * 2001-04-13 2002-10-22 Daifuku Co Ltd Apparatus for straightening bar-shaped member
CN200948473Y (en) * 2006-09-04 2007-09-19 曾柏林 Machine for regulating the deformation and shift of the crossbeam of automobile
CN201978969U (en) * 2010-12-14 2011-09-21 曾柏林 Torsion correcting machine for automobile crossbeam
CN202479273U (en) * 2012-03-19 2012-10-10 中国水利水电第二工程局有限公司 Hand-held combined type hydraulic truss shape straightening machine
CN205702944U (en) * 2016-05-18 2016-11-23 山东华樱轨道装备有限公司 Side wall assembly line
CN108327736A (en) * 2018-02-13 2018-07-27 中车贵阳车辆有限公司 A kind of comprehensive modulating device
CN108655209A (en) * 2018-05-31 2018-10-16 哈尔滨锅炉厂有限责任公司 A kind of cold calibration device of Novel portable elbow and its application method
CN211990345U (en) * 2020-01-23 2020-11-24 江苏天之印信息技术有限公司 Road guardrail maintenance device
CN212384323U (en) * 2020-05-20 2021-01-22 中车长春轨道客车股份有限公司 Aluminum alloy city rail car headwall leveling auxiliary device
CN213052169U (en) * 2020-08-30 2021-04-27 芜湖市皖创管业有限公司 Leveling device for machining comprehensive steel pipe
CN112893523A (en) * 2021-01-31 2021-06-04 中车石家庄车辆有限公司 Railway gondola car side wall indent deformation orthotic devices

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002307107A (en) * 2001-04-13 2002-10-22 Daifuku Co Ltd Apparatus for straightening bar-shaped member
CN200948473Y (en) * 2006-09-04 2007-09-19 曾柏林 Machine for regulating the deformation and shift of the crossbeam of automobile
CN201978969U (en) * 2010-12-14 2011-09-21 曾柏林 Torsion correcting machine for automobile crossbeam
CN202479273U (en) * 2012-03-19 2012-10-10 中国水利水电第二工程局有限公司 Hand-held combined type hydraulic truss shape straightening machine
CN205702944U (en) * 2016-05-18 2016-11-23 山东华樱轨道装备有限公司 Side wall assembly line
CN108327736A (en) * 2018-02-13 2018-07-27 中车贵阳车辆有限公司 A kind of comprehensive modulating device
CN108655209A (en) * 2018-05-31 2018-10-16 哈尔滨锅炉厂有限责任公司 A kind of cold calibration device of Novel portable elbow and its application method
CN211990345U (en) * 2020-01-23 2020-11-24 江苏天之印信息技术有限公司 Road guardrail maintenance device
CN212384323U (en) * 2020-05-20 2021-01-22 中车长春轨道客车股份有限公司 Aluminum alloy city rail car headwall leveling auxiliary device
CN213052169U (en) * 2020-08-30 2021-04-27 芜湖市皖创管业有限公司 Leveling device for machining comprehensive steel pipe
CN112893523A (en) * 2021-01-31 2021-06-04 中车石家庄车辆有限公司 Railway gondola car side wall indent deformation orthotic devices

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Application publication date: 20220211

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