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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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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platform
hydraulic jack
rail
curved rail
track
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CN104624747B (en
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江勇
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China MCC17 Group Co Ltd
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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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

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

一种槽型轨小半径曲线弯轨装置及安装使用方法A grooved rail small-radius curved rail device and its installation and use method

技术领域 technical field

本发明涉及现代有轨电车施工技术领域,尤其涉及一种槽型轨小半径曲线弯轨装置及安装使用方法。适用于轨道施工过程中路口转弯地带狭小空间轨道转弯时的施工。 The invention relates to the technical field of modern tram construction, in particular to a grooved rail small-radius curved rail bending device and an installation and use method. It is suitable for the construction when the track turns in a narrow space in the turning zone of the intersection during the track construction process.

背景技术 Background technique

现代有轨电车作为国内新兴产业其所采用的槽型轨道和位于已有市政道路中央分割带的特征具有其先进性。但是在轨道施工过程中路口转弯地带的狭小空间使得轨道转弯时必须使用小半径曲线,而槽型轨道小半径曲线轨道需要弯轨的技术在国内尚属首例。槽型轨道弯轨无法采用传统工艺施工,容易形成硬弯,即造成曲线不平顺,容易造成有轨电车侧翻。 As a domestic emerging industry, modern trams are advanced because of their trough track and their location in the central partition of existing municipal roads. However, during the track construction process, the narrow space in the turning zone at the intersection makes it necessary to use a small-radius curve when turning the track, and the technology of the small-radius curved track of the trough track that requires a curved track is the first in China. The curved track of the trough track cannot be constructed by the traditional technology, and it is easy to form a hard bend, that is, the curve is not smooth, and the tram is likely to roll over.

发明内容 Contents of the invention

本发明的目的就是针对现有技术存在的问题,首创一种槽型轨小半径曲线弯轨装置及安装使用方法,有效地解决槽型轨道小半径弯轨中存在的硬弯和曲线不平顺现象。 The purpose of the present invention is to solve the problems existing in the prior art, and create a grooved rail small-radius curved rail device and its installation and use method, effectively solving the hard bending and curve irregularities in the grooved rail small-radius curved rail .

本发明的原理是使用特殊定制的弯轨顶升装置配合液压千斤顶进行槽型轨道小半径曲线的弯轨,通过油压表的读数控制曲线正矢。同时配套使用送料装置,使弯轨操作机械化。 The principle of the present invention is to use a specially customized curved rail jacking device in conjunction with a hydraulic jack to bend the small radius curve of the grooved track, and control the positive vector of the curve through the reading of the oil pressure gauge. At the same time, the supporting feeding device is used to mechanize the operation of the curved rail.

本发明的目的是这样实现的:一种槽型轨小半径曲线弯轨装置,包括弯轨平台、液压千斤顶和槽型轨道顶升装置,其特征在于:所述弯轨平台由送料平台、弯轨平台和承接平台组成,其中弯轨平台由平台支架、纵向传动滚轮和横向传动滚轮组成,液压千斤顶放置在平台支架上,槽型轨道顶升装置安放在液压千斤顶的前端,调节液压千斤顶的位置,使槽型轨道顶升装置的中部与槽型轨道的中部对齐。 The object of the present invention is achieved in this way: a small-radius curve curved rail device for grooved rails, including a curved rail platform, a hydraulic jack and a grooved rail jacking device, is characterized in that: the curved rail platform is composed of a feeding platform, a curved rail The curved rail platform is composed of a platform bracket, a longitudinal transmission roller and a horizontal transmission roller. The hydraulic jack is placed on the platform bracket, and the grooved rail lifting device is placed at the front end of the hydraulic jack to adjust the position of the hydraulic jack. , so that the middle of the grooved track jacking device is aligned with the middle of the grooved track.

所述槽型轨道顶升装置,由一个按照槽型轨道内侧结构形式定制的U型钢锭和一个钢套筒组成,U型钢锭的顶端两侧抛光成弧形,确保弯曲时能与槽型轨道的轨腰密贴,钢套筒的一端与钢锭通过焊接固定,另一端做成圆筒型套在液压千斤顶的顶端。 The jacking device of the trough track is composed of a U-shaped steel ingot customized according to the inner structure of the trough track and a steel sleeve. The top and both sides of the U-shaped steel ingot are polished into arcs to ensure that they can be aligned with the groove track when bending. The rail waist is closely attached, one end of the steel sleeve and the steel ingot are fixed by welding, and the other end is made into a cylindrical sleeve on the top of the hydraulic jack.

一种槽型轨小半径曲线弯轨装置的安装使用方法,其特征在于,按以下步骤进行: A method for installing and using a grooved rail small-radius curved rail device, characterized in that the following steps are performed:

1、搭建弯轨平台,在弯轨前先搭建弯轨平台,第一部分为送料平台,第二部分为弯轨平台,第三部分为承接平台,其中弯轨平台由平台支架、纵向传动滚轮和横向传动滚轮组成; 1. Build the curved rail platform. Before the curved rail, build the curved rail platform. The first part is the feeding platform, the second part is the curved rail platform, and the third part is the receiving platform. The curved rail platform consists of platform brackets, longitudinal transmission rollers and Composition of horizontal drive rollers;

2、安装槽型轨道,将槽型轨道放置在平台支架的横向传动滚轮上,调节纵向传动滚轮使槽型轨道位置固定在横向传动滚轮和纵向传动滚轮形成的凹槽内; 2. Install the grooved track, place the grooved track on the horizontal transmission roller of the platform bracket, adjust the longitudinal transmission roller to fix the position of the grooved track in the groove formed by the horizontal transmission roller and the longitudinal transmission roller;

3、安装槽型轨道顶升装置,将液压千斤顶放置在平台支架上,将槽型轨道顶升装置安放在液压千斤顶的前端,调节液压千斤顶的位置,使槽型轨道顶升装置的中部与槽型轨道的中部对齐; 3. Install the trough track lifting device, place the hydraulic jack on the platform support, place the trough track lifting device on the front end of the hydraulic jack, and adjust the position of the hydraulic jack so that the middle part of the trough track lifting device is in line with the groove Align the middle of the type track;

4、安装油压千斤顶与油泵,将液压千斤顶通过油管与油泵连接,接通油泵的电源; 4. Install the hydraulic jack and the oil pump, connect the hydraulic jack to the oil pump through the oil pipe, and connect the power supply of the oil pump;

5、弯轨操作,弯轨前先根据设计的曲线计算好轨道的曲线半径,然后根据曲线正矢计算液压千斤顶的伸长量对应的油泵上的油表读数;弯轨时按照计算好的油表读数通过油泵控制液压千斤顶的伸长量;每顶升弯曲一个部位,通过横向传动滚轮和纵向传动滚轮将轨道向前传动一部分进行下一个弯曲点的弯曲操作; 5. Operation of curved rails. Before bending rails, calculate the curve radius of the rails according to the designed curve, and then calculate the oil meter reading on the oil pump corresponding to the elongation of the hydraulic jack according to the positive vector of the curves; when bending rails, follow the calculated oil gauge. The meter reading controls the elongation of the hydraulic jack through the oil pump; every time a part is lifted and bent, the track is driven forward through the horizontal drive roller and the longitudinal drive roller to perform the bending operation of the next bending point;

6、检查,重复上述操作步骤,完成整根轨道的弯曲后检查弯曲的曲线正矢是否符合设计要求,如果存在偏差用本装置进行纠偏。 6. Check, repeat the above operation steps, and check whether the curved curve sine vector meets the design requirements after completing the bending of the entire rail. If there is any deviation, use this device to correct the deviation.

与现有技术相比,本发明的优点是:能有效地解决槽型轨道小半径弯轨中存在的硬弯和曲线不平顺现象,节省施工成本。 Compared with the prior art, the invention has the advantages that it can effectively solve the phenomenon of hard bending and uneven curve in the small-radius curved track of the trough track, and save the construction cost.

附图说明 Description of drawings

图1:本发明的现场施工示意图。 Fig. 1: On-site construction schematic diagram of the present invention.

图中:1、槽型轨道    2、平台支架  3、纵向传动滚轮    4、横向传动滚轮  5、槽型轨道顶升装置    6、液压千斤顶   7、油管   8、油泵。 In the figure: 1. Groove track 2. Platform support 3. Longitudinal drive roller 4. Horizontal drive roller 5. Groove track jacking device 6. Hydraulic jack 7. Oil pipe 8. Oil pump.

具体实施方式 Detailed ways

为进一步描述本发明,下面结合实施例和附图对本发明作进一步描述。 In order to further describe the present invention, the present invention will be further described below in conjunction with the embodiments and accompanying drawings.

如图所示,本发明一种槽型轨小半径曲线弯轨装置,包括弯轨平台、液压千斤顶6和槽型轨道顶升装置5,其特征在于:所述弯轨平台由送料平台、弯轨平台和承接平台组成,其中弯轨平台由平台支架2、纵向传动滚轮3和横向传动滚轮4组成,液压千斤顶6放置在平台支架2上,槽型轨道顶升装置5安放在液压千斤顶6的前端,调节液压千斤顶6的位置,使槽型轨道顶升装置5的中部与槽型轨道1的中部对齐。 As shown in the figure, a small-radius curved rail bending device for grooved rails of the present invention includes a curved rail platform, a hydraulic jack 6 and a grooved rail lifting device 5, and is characterized in that: the curved rail platform is composed of a feeding platform, a curved rail The curved rail platform is composed of a platform support 2, a longitudinal transmission roller 3 and a transverse transmission roller 4. The hydraulic jack 6 is placed on the platform support 2, and the grooved track lifting device 5 is placed on the hydraulic jack 6. At the front end, adjust the position of the hydraulic jack 6 so that the middle part of the grooved track lifting device 5 is aligned with the middle part of the grooved track 1 .

所述槽型轨道顶升装置5,由一个按照槽型轨道内侧结构形式定制的U型钢锭和一个钢套筒组成,U型钢锭的顶端两侧抛光成弧形,确保弯曲时能与槽型轨道的轨腰密贴,钢套筒的一端与钢锭通过焊接固定,另一端做成圆筒型套在液压千斤顶的顶端。 The trough track lifting device 5 is composed of a U-shaped steel ingot customized according to the inner structure of the trough track and a steel sleeve. The top and both sides of the U-shaped steel ingot are polished into arcs to ensure that they can be aligned with the groove shape when bending. The rail waist of the track is closely attached, one end of the steel sleeve and the steel ingot are fixed by welding, and the other end is made into a cylindrical sleeve on the top of the hydraulic jack.

一种槽型轨小半径曲线弯轨装置的安装使用方法,其特征在于,按以下步骤进行: A method for installing and using a grooved rail small-radius curved rail device, characterized in that the following steps are performed:

1、搭建弯轨平台,在弯轨前先搭建弯轨平台,第一部分为送料平台,第二部分为弯轨平台,第三部分为承接平台,其中弯轨平台由平台支架2、纵向传动滚轮3和横向传动滚轮4组成; 1. Build the curved rail platform. Before the curved rail, build the curved rail platform. The first part is the feeding platform, the second part is the curved rail platform, and the third part is the receiving platform. The curved rail platform consists of platform bracket 2 and longitudinal drive rollers. 3 and the horizontal transmission roller 4;

2、安装槽型轨道,将槽型轨道1放置在平台支架2的横向传动滚轮4上,调节纵向传动滚轮3使槽型轨道1位置固定在横向传动滚轮4和纵向传动滚轮3形成的凹槽内; 2. Install the grooved track, place the grooved track 1 on the horizontal transmission roller 4 of the platform bracket 2, adjust the longitudinal transmission roller 3 so that the position of the grooved track 1 is fixed in the groove formed by the horizontal transmission roller 4 and the longitudinal transmission roller 3 Inside;

3、安装槽型轨道顶升装置,将液压千斤顶6放置在平台支架2上,将槽型轨道顶升装置5安放在液压千斤顶6的前端,调节液压千斤顶6的位置,使槽型轨道顶升装置5的中部与槽型轨道1的中部对齐; 3. Install the trough rail jacking device, place the hydraulic jack 6 on the platform support 2, place the trough rail jacking device 5 on the front end of the hydraulic jack 6, adjust the position of the hydraulic jack 6, and lift the trough rail The middle part of the device 5 is aligned with the middle part of the grooved track 1;

4、安装油压千斤顶与油泵,将液压千斤顶6通过油管7与油泵8连接,接通油泵的电源; 4. Install the hydraulic jack and the oil pump, connect the hydraulic jack 6 to the oil pump 8 through the oil pipe 7, and connect the power supply of the oil pump;

5、弯轨操作,弯轨前先根据设计的曲线计算好轨道的曲线半径,然后根据曲线正矢计算液压千斤顶6的伸长量对应的油泵8上的油表读数;弯轨时按照计算好的油表读数通过油泵8控制液压千斤顶6的伸长量;每顶升弯曲一个部位,通过横向传动滚轮4和纵向传动滚轮3将轨道向前传动一部分进行下一个弯曲点的弯曲操作; 5. Operation of curved rails. Before the curved rails, calculate the curve radius of the rails according to the designed curve, and then calculate the oil meter reading on the oil pump 8 corresponding to the elongation of the hydraulic jack 6 according to the positive vector of the curves; when bending the rails, follow the calculated The reading of the oil gauge controls the elongation of the hydraulic jack 6 through the oil pump 8; every time a part is lifted and bent, a part of the track is driven forward through the horizontal transmission roller 4 and the longitudinal transmission roller 3 to perform the bending operation of the next bending point;

6、检查,重复上述操作步骤,完成整根轨道的弯曲后检查弯曲的曲线正矢是否符合设计要求,如果存在偏差用本装置进行纠偏。 6. Check, repeat the above operation steps, and check whether the curved curve sine vector meets the design requirements after completing the bending of the entire rail. If there is any deviation, use this device to correct the deviation.

辽宁省沈阳市浑南新城现代有轨电车一期工程1号线项目采用本发明进行槽型轨道小半径曲线的弯轨施工,共弯轨196根。借鉴其他轨道弯轨进行本项目操作每根轨道投入(含弯轨不合格的纠偏)人工160,材料费1680元。使用本发明技术投入人工82元,材料费240元,机械台班18元。整个项目共节省施工费用196×(160+1680-82-240-18)=294000元。 The No. 1 line project of the modern tramway first phase project in Hunnan New City, Shenyang City, Liaoning Province adopts the present invention to carry out the curved rail construction of the small-radius curve of the trough track, and there are 196 curved rails in total. Refer to other curved rails to carry out the operation of this project. The labor cost for each rail (including the correction of unqualified curved rails) is 160, and the material cost is 1680 yuan. Use the technology of the present invention to invest 82 yuan in labor, 240 yuan in material costs, and 18 yuan in a mechanical shift. The whole project saved a total construction cost of 196×(160+1680-82-240-18)=294,000 yuan.

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.
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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
CN116000144A (en) * 2022-12-30 2023-04-25 中铁五局集团路桥工程有限责任公司 Tramcar groove rail small-radius curve pre-bending method

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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 section steel bending device

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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
CN116000144A (en) * 2022-12-30 2023-04-25 中铁五局集团路桥工程有限责任公司 Tramcar groove rail small-radius curve pre-bending method

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Application publication date: 20150520

Assignee: 17th Metallurgical Wuhu Construction Co.,Ltd.

Assignor: CHINA MCC17 GROUP Co.,Ltd.

Contract record no.: X2025980000695

Denomination of invention: A groove type track small radius curve bending device and installation and usage method

Granted publication date: 20170919

License type: Common License

Record date: 20250114