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 PDFInfo
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- 238000005452 bending Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 9
- 230000005571 horizontal transmission Effects 0.000 description 7
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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Abstract
Description
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.
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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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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 |