CN104624747A - Small-radius-curve groove rail bending device and installing and using method - Google Patents

Small-radius-curve groove rail bending device and installing and using method Download PDF

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Publication number
CN104624747A
CN104624747A CN201510002019.4A CN201510002019A CN104624747A CN 104624747 A CN104624747 A CN 104624747A CN 201510002019 A CN201510002019 A CN 201510002019A CN 104624747 A CN104624747 A CN 104624747A
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China
Prior art keywords
platform
curved rail
hydraulic jack
rail
grooved
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Granted
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CN201510002019.4A
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Chinese (zh)
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CN104624747B (en
Inventor
江勇
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
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Priority to CN201510002019.4A priority Critical patent/CN104624747B/en
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Publication of CN104624747B publication Critical patent/CN104624747B/en
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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
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/06Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies

Abstract

The invention discloses a small-radius-curve groove rail bending device. The small-radius-curve groove rail bending device comprises a rail bending platform, a hydraulic jack and a groove rail jacking device, and is characterized in that the rail bending platform is composed of a feeding platform, a rail bending platform body and a bearing platform, and the rail bending platform body is composed of a platform support, longitudinal transmission rollers and a transverse transmission roller. The groove rail jacking device is composed of a U-shaped steel ingot and a steel sleeve, wherein the U-shaped steel ingot is customized according to the inner structural form of a groove rail. An installing and using method of the small-radius-curve groove rail bending device is characterized by including the first step of setting up the rail bending platform, the second step of installing the groove rail, the third step of installing the groove rail jacking device, the fourth step of installing the hydraulic jack and an oil pump, the fifth step of conducting rail bending operation, and the sixth step of inspecting. The small-radius-curve groove rail bending device and the installing and using method have the advantages that the problems of hard bending and curve irregularity existing during small-radius-curve groove rail bending can be solved effectively, and construction cost is saved.

Description

A kind of grooved curved rail device of rail sharp radius curve and installation and application
Technical field
The present invention relates to modern tram technical field of construction, particularly relate to the curved rail device of a kind of grooved rail sharp radius curve and installation and application.Be applicable to construction during crossing turning area small space track turn in track construction process.
Background technology
The modern tram grooved track that it adopts as domestic new industry has its advance with the feature being positioned at existing town road central authorities segmentation band.But the small space in crossing turning area makes must use sharp radius curve during track turn in track work progress, and grooved track track with small-radius curve needs the technology of curved rail still to belong to the first at home.The curved rail of grooved track cannot adopt traditional handicraft to construct, and is easily formed firmly curved, namely causes curve irregularity, easily cause tramcar to turn on one's side.
Summary of the invention
Object of the present invention is exactly for prior art Problems existing, and the pioneering curved rail device of a kind of grooved rail sharp radius curve and installation and application, solve the firmly curved and curve irregularity phenomenon existed in the curved rail of grooved track minor radius effectively.
Principle of the present invention uses the curved rail jacking apparatus of specific customization to coordinate hydraulic jack to carry out the curved rail of grooved track sharp radius curve, by the reading controlling curve versed sine of oil pressure gauge.Support the use pay-off simultaneously, make curved operating machine of rail.
The object of the present invention is achieved like this: the curved rail device of a kind of grooved rail sharp radius curve, comprise curved rail platform, hydraulic jack and grooved track jacking device, it is characterized in that: described curved rail platform is by material conveying platform, curved rail platform and bearing platform composition, wherein curved rail platform is by platform support, longitudinal live roller and horizontal live roller composition, hydraulic jack is placed on platform support, grooved track jacking device is placed in the front end of hydraulic jack, regulate the position of hydraulic jack, alignd with the middle part of grooved track in the middle part of grooved track jacking device.
Described grooved track jacking device, be made up of a U-shaped steel ingot according to the customization of grooved track inside structure form and a steel bushing, the both sides, top of U-shaped steel ingot are polished to arc, can be closely connected with the web of the rail of grooved track when guaranteeing bending, one end of steel bushing and steel ingot are by being welded and fixed, and the other end makes the top that cylinder type is enclosed within hydraulic jack.
An installation and application for the curved rail device of grooved rail sharp radius curve, is characterized in that, carry out according to the following steps:
1, build curved rail platform, first build curved rail platform before curved rail, Part I is material conveying platform, and Part II is curved rail platform, and Part III is bearing platform, and wherein curved rail platform is made up of platform support, longitudinal live roller and horizontal live roller;
2, grooved track is installed, grooved track is placed on the horizontal live roller of platform support, regulate longitudinal live roller to make grooved orbital position be fixed in the groove of horizontal live roller and the formation of longitudinal live roller;
3, grooved track jacking device is installed, hydraulic jack is placed on platform support, grooved track jacking device is placed in the front end of hydraulic jack, regulates the position of hydraulic jack, alignd with the middle part of grooved track in the middle part of grooved track jacking device;
4, hydraulic jack and oil pump are installed, hydraulic jack is connected with oil pump by oil pipe, connect the power supply of oil pump;
5, curved rail operation, first calculates the sweep of track according to the curve of design before curved rail, then calculate the oil meter reading on oil pump corresponding to the elongation of hydraulic jack according to curve versine; According to the elongation of the oil meter reading calculated by oil pump control hydraulic jack during curved rail; Every jacking bending position, carries out the bending operation of next bending point by horizontal live roller and longitudinal live roller by a track Forward drive part;
6, check, repeat aforesaid operations step, complete the bending rear of whole track and check whether bending curve versine meets designing requirement, rectifies a deviation if there is this device of deviation.
Compared with prior art, advantage of the present invention is: effectively can solve in the curved rail of grooved track minor radius the firmly curved and curve irregularity phenomenon existed, and saves construction cost.
Accompanying drawing explanation
Fig. 1: site operation schematic diagram of the present invention.
In figure: 1, grooved track 2, platform support 3, longitudinal live roller 4, horizontal live roller 5, grooved track jacking device 6, hydraulic jack 7, oil pipe 8, oil pump.
Detailed description of the invention
For further describing the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described.
As shown in the figure, the curved rail device of a kind of grooved rail sharp radius curve of the present invention, comprise curved rail platform, hydraulic jack 6 and grooved track jacking device 5, it is characterized in that: described curved rail platform is by material conveying platform, curved rail platform and bearing platform composition, wherein curved rail platform is by platform support 2, longitudinal live roller 3 and horizontal live roller 4 form, hydraulic jack 6 is placed on platform support 2, grooved track jacking device 5 is placed in the front end of hydraulic jack 6, regulate the position of hydraulic jack 6, alignd with the middle part of grooved track 1 in the middle part of grooved track jacking device 5.
Described grooved track jacking device 5, be made up of a U-shaped steel ingot according to the customization of grooved track inside structure form and a steel bushing, the both sides, top of U-shaped steel ingot are polished to arc, can be closely connected with the web of the rail of grooved track when guaranteeing bending, one end of steel bushing and steel ingot are by being welded and fixed, and the other end makes the top that cylinder type is enclosed within hydraulic jack.
An installation and application for the curved rail device of grooved rail sharp radius curve, is characterized in that, carry out according to the following steps:
1, build curved rail platform, first build curved rail platform before curved rail, Part I is material conveying platform, and Part II is curved rail platform, and Part III is bearing platform, and wherein curved rail platform is made up of platform support 2, longitudinal live roller 3 and horizontal live roller 4;
2, grooved track is installed, grooved track 1 is placed on the horizontal live roller 4 of platform support 2, regulate longitudinal live roller 3 to make grooved track 1 position be fixed in the groove of horizontal live roller 4 and longitudinal live roller 3 formation;
3, grooved track jacking device is installed, hydraulic jack 6 is placed on platform support 2, grooved track jacking device 5 is placed in the front end of hydraulic jack 6, regulates the position of hydraulic jack 6, alignd with the middle part of grooved track 1 in the middle part of grooved track jacking device 5;
4, hydraulic jack and oil pump are installed, hydraulic jack 6 is connected with oil pump 8 by oil pipe 7, connect the power supply of oil pump;
5, curved rail operation, first calculates the sweep of track according to the curve of design before curved rail, then calculate the oil meter reading on oil pump 8 corresponding to the elongation of hydraulic jack 6 according to curve versine; According to the elongation of the oil meter reading calculated by oil pump 8 hydraulic control jack 6 during curved rail; Every jacking bending position, carries out the bending operation of next bending point by horizontal live roller 4 and longitudinal live roller 3 by a track Forward drive part;
6, check, repeat aforesaid operations step, complete the bending rear of whole track and check whether bending curve versine meets designing requirement, rectifies a deviation if there is this device of deviation.
Hun Nan, Shenyang City, Liaoning Province new city modern tram first stage of the project Line 1 project adopts the present invention to carry out the curved rail construction of grooved track sharp radius curve, 196, curved rail altogether.Use for reference the curved rail of other tracks and carry out (containing the underproof correction of curved rail) artificial 160 of this project operation every root track input, fee of material 1680 yuan.The technology of the present invention is used to drop into artificial 82 yuan, fee of material 240 yuan, mechanical one-shift 18 yuan.Whole project saves operating expenses 196 × (160+1680-82-240-18)=294000 yuan altogether.

Claims (3)

1. the curved rail device of grooved rail sharp radius curve, comprise curved rail platform, hydraulic jack (6) and grooved track jacking device (5), it is characterized in that: described curved rail platform is by material conveying platform, curved rail platform and bearing platform composition, wherein curved rail platform is by platform support (2), longitudinal live roller (3) and horizontal live roller (4) composition, hydraulic jack (6) is placed on platform support (2), grooved track jacking device (5) is placed in the front end of hydraulic jack (6), regulate the position of hydraulic jack (6), alignd with the middle part of grooved track (1) in the middle part of grooved track jacking device (5).
2. the curved rail device of a kind of grooved rail sharp radius curve according to claim 1, it is characterized in that: described grooved track jacking device (5), be made up of a U-shaped steel ingot according to the customization of grooved track inside structure form and a steel bushing, the both sides, top of U-shaped steel ingot are polished to arc, can be closely connected with the web of the rail of grooved track when guaranteeing bending, one end of steel bushing and steel ingot are by being welded and fixed, and the other end makes the top that cylinder type is enclosed within hydraulic jack.
3. the installation and application of the curved rail device of a kind of grooved rail sharp radius curve according to claim 1, is characterized in that, carry out according to the following steps:
1), curved rail platform is built, before curved rail, first build curved rail platform, Part I is material conveying platform, and Part II is curved rail platform, Part III is bearing platform, and wherein curved rail platform is made up of platform support (2), longitudinal live roller (3) and horizontal live roller (4);
2), grooved track is installed, grooved track (1) is placed on the horizontal live roller (4) of platform support (2), in regulate longitudinal live roller (3) that grooved track (1) position is fixed on groove that horizontal live roller (4) and longitudinal live roller (3) formed;
3), grooved track jacking device is installed, hydraulic jack (6) is placed on platform support (2), grooved track jacking device (5) is placed in the front end of hydraulic jack (6), regulate the position of hydraulic jack (6), alignd with the middle part of grooved track (1) in the middle part of grooved track jacking device (5);
4), hydraulic jack and oil pump are installed, hydraulic jack (6) is connected with oil pump (8) by oil pipe (7), connect the power supply of oil pump;
5), the operation of curved rail, first calculate the sweep of track before curved rail according to the curve of design, then calculate the oil meter reading on oil pump (8) corresponding to the elongation of hydraulic jack (6) according to curve versine; According to the elongation of the oil meter reading calculated by oil pump (8) hydraulic control jack (6) during curved rail; Every jacking bending position, carries out the bending operation of next bending point by horizontal live roller (4) and longitudinal live roller (3) by a track Forward drive part;
6), check, repeat aforesaid operations step, complete the bending rear of whole track and check whether bending curve versine meets designing requirement, rectifies a deviation if there is this device of deviation.
CN201510002019.4A 2015-01-05 2015-01-05 A kind of curved rail device of grooved track sharp radius curve and installation and application Active CN104624747B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105170729A (en) * 2015-09-21 2015-12-23 中铁一局集团有限公司 Curve shape pre-bending construction method for channel rail of tramcar
CN105834272A (en) * 2016-04-14 2016-08-10 中国十七冶集团有限公司 Method for mounting large aluminum plate drawing mill equipment in confined space

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59120322A (en) * 1982-12-27 1984-07-11 Nippon Kokan Kk <Nkk> Method and device for bending pipe
US4506535A (en) * 1982-12-03 1985-03-26 Eubanks Bobby G Device having power means for re-arching or de-arching a leaf spring
CN2066454U (en) * 1990-03-27 1990-11-28 苏州铁路机械学校实习工厂 Hydraulic vertical rail bender
CN203370884U (en) * 2013-06-28 2014-01-01 宁波华业钢结构有限公司 Section steel rolling device
CN203484456U (en) * 2013-10-09 2014-03-19 山东洁晶集团股份有限公司 Profile steel cold-bending device
CN203890820U (en) * 2014-06-13 2014-10-22 葛洲坝集团第二工程有限公司 Simple pre-bending device for steel rail
CN203991834U (en) * 2014-09-02 2014-12-10 中国十九冶集团有限公司 Simple profile steel bending apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506535A (en) * 1982-12-03 1985-03-26 Eubanks Bobby G Device having power means for re-arching or de-arching a leaf spring
JPS59120322A (en) * 1982-12-27 1984-07-11 Nippon Kokan Kk <Nkk> Method and device for bending pipe
CN2066454U (en) * 1990-03-27 1990-11-28 苏州铁路机械学校实习工厂 Hydraulic vertical rail bender
CN203370884U (en) * 2013-06-28 2014-01-01 宁波华业钢结构有限公司 Section steel rolling device
CN203484456U (en) * 2013-10-09 2014-03-19 山东洁晶集团股份有限公司 Profile steel cold-bending device
CN203890820U (en) * 2014-06-13 2014-10-22 葛洲坝集团第二工程有限公司 Simple pre-bending device for steel rail
CN203991834U (en) * 2014-09-02 2014-12-10 中国十九冶集团有限公司 Simple profile steel bending apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105170729A (en) * 2015-09-21 2015-12-23 中铁一局集团有限公司 Curve shape pre-bending construction method for channel rail of tramcar
CN105170729B (en) * 2015-09-21 2017-03-15 中铁一局集团有限公司 The linear pre-bending construction method of tramcar grooved rail curve
CN105834272A (en) * 2016-04-14 2016-08-10 中国十七冶集团有限公司 Method for mounting large aluminum plate drawing mill equipment in confined space
CN105834272B (en) * 2016-04-14 2018-07-17 中国十七冶集团有限公司 A kind of large aluminium-board stretching-machine equipment installation method under restricted clearance

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