CN104343084A - Trackless lower chord inspection vehicle for steel truss bridges - Google Patents
Trackless lower chord inspection vehicle for steel truss bridges Download PDFInfo
- Publication number
- CN104343084A CN104343084A CN201410653369.2A CN201410653369A CN104343084A CN 104343084 A CN104343084 A CN 104343084A CN 201410653369 A CN201410653369 A CN 201410653369A CN 104343084 A CN104343084 A CN 104343084A
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- Prior art keywords
- traveling
- boots
- roof support
- mobile roof
- hook
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a trackless lower chord inspection vehicle for steel truss bridges and belongs to the field of bridge inspection vehicles. The trackless lower chord inspection vehicle for the steel truss bridges, disclosed by the invention, comprises a main frame, two travelling mechanisms and T girders at the bottom of a steel truss girder; each traveling mechanism comprises a traveling support, a traveling driving mechanism, a traveling shoe, a traveling support hook and a traveling shoe hook; the two travelling mechanisms are symmetrically arranged at two ends of transverse bridge direction of the top face of the main frame; each traveling driving mechanism is fixedly connected with the corresponding travelling support; each traveling shoe is meshed with a driving gear of the corresponding traveling driving mechanism through a rack; the upper ends of the travelling supports and the upper ends of the traveling shoes of the two traveling mechanisms are controlled to be alternately hooked onto the corresponding T girders at the bottom of the steel truss girder respectively through the respective hooks, and the driving gear of each traveling driving mechanism is driven to rotate to drive the traveling shoes and the traveling supports to do alternate motion relative to the T girders at the bottom of the steel truss girder. According to the design, without laying a special traveling track for the inspection vehicle, by utilizing the self-track-laying T girders of the steel truss girder, steady and orderly traveling of the inspection vehicle is realized, and inspection and maintenance on the inspection vehicle are implemented; the trackless lower chord inspection vehicle is widely suitable for various bridge structures of the steel truss girder.
Description
Technical field
The trackless lower edge inspection trolley of a kind of steel purlin bridge of the present invention, belongs to bridge inspection vehicle field, is specifically related to inspection trolley bottom steel truss girder.
Background technology
Lower edge inspection trolley is widely used in preventive inspection and the maintenance of large and medium-sized steel purlin bridge, for the inspection in all directions of each structure of bridge, maintenance provide safety guarantee.At present, the bottom of the steel truss girder bridge of current use is all covered with the equal T girder construction in interval, bottom the bridge of steel purlin, prior art Inspection mainly adopts underslung traveling inspection trolley, corresponding walking rails or adapter need be arranged on bridge bottom, lower edge inspection trolley can only to roll or the mode of crawler type chain drive moves move ahead along being laid on the trapped orbit of steel truss girder bottom or adapter in the process of advancing, for this inspection trolley along trapped orbit or adapter movement, when the distance of steel truss girder bridge maintenance is very large, just need a large amount of rail or adapter are installed, cause cost high like this, and walking rails or adapter installation difficulty higher, labour intensity is high, operating cost is high, spended time is long.Therefore, be badly in need of utilizing steel truss girder existing T girder construction to develop a kind of for the inspection trolley of bridge suitable bottom steel truss girder to rail-free movement, to reduce operating cost, cancel this link of track installation.
Summary of the invention
The object of the invention is to provide the trackless lower edge inspection trolley of a kind of steel purlin bridge, utilize the T beam of certainly laying a railway track of steel truss girder itself, without the need to laying the special walking rails of inspection trolley separately, by the alternately traveling of inspection trolley mobile roof support and traveling boots, realize inspection trolley even running, implement Inspection.
The trackless lower edge inspection trolley of a kind of steel purlin bridge of the present invention, comprise main car frame, T beam bottom walking mechanism and steel truss girder, every portion walking mechanism comprises mobile roof support, hoofing part mechanism, traveling boots, mobile roof support hook and traveling boots hook, and two walking mechanisms are arranged on main car frame end face direction across bridge two ends respectively by the lower end symmetry of its mobile roof support; Hoofing part organization establishes is fixedly connected with mobile roof support in the below of traveling boots, traveling boots bottom it tooth bar engage with the driven wheel of hoofing part mechanism; The upper end of the mobile roof support of described two walking mechanisms respectively by mobile roof support hook corresponding with T beam bottom steel truss girder mount or depart from mount; The traveling boots upper end of described two walking mechanisms respectively by traveling boots hook corresponding with T beam bottom steel truss girder mount or depart from mount; By controlling mobile roof support hook respectively, traveling boots hook T beam corresponding to bottom steel truss girder alternately mounts, and drive the driven wheel of hoofing part mechanism to rotate, order about traveling boots, mobile roof support T beam alternative expression one step one bottom steel truss girder to drive and move, realizing the suitable bridge of inspection trolley to being progressively movably walking in order, implementing maintenance and inspection work bottom steel truss girder.
The mobile roof support hook controlling the two ends of described mobile roof support mounts fixing with T beam, and departed from T beam by traveling boots traveling boots hook and mount, hoofing part mechanism makes driven wheel rotate by motor, and bottom ordering about traveling boots, tooth bar is movably walking relative to mobile roof support.
The traveling boots hook controlling the two ends of described traveling boots is hung fixing with T beam, the mobile roof support of mobile roof support hook is departed from T beam and mounts, hoofing part mechanism makes driven wheel rotate by motor, order about mobile roof support take the relative traveling boots of inspection trolley main car frame bottom tooth bar be movably walking.
Described hoofing part mechanism is made up of motor and driven wheel, and the output shaft of motor is fixedly connected with driven wheel.
Described mobile roof support hook is connected with hydraulic cylinder mechanism, by the rotary folding of hydraulic jack extension and contraction control mobile roof support hook.
Described traveling boots hook is connected with hydraulic cylinder mechanism, by the rotary folding of hydraulic jack extension and contraction control traveling boots hook.
The present invention designs to adopt and mobile roof support and traveling boots one side is fixed relative to bridge, and the mode that the opposing party is then rotated by drive motors driven wheel moves forward, and mobile roof support and traveling boots leapfrog, thus realize the advance of inspection trolley; When needing traveling boots to fix relative to bridge, link up with traveling boots the hydraulic cylinder mechanism be connected to shrink, traveling boots hook rotates, make the traveling boots at the two ends of traveling boots hook T beam, ensure that traveling boots are fixed relative to bridge, now link up with the hydraulic cylinder mechanism be connected with mobile roof support and extend, mobile roof support hook rotates, mobile roof support departs from T beam, and hoofing part mechanism, by the transmission of drive motors driven wheel, makes mobile roof support move forward on traveling boots.When needing mobile roof support to fix relative to bridge, link up with mobile roof support the hydraulic cylinder mechanism be connected to shrink, mobile roof support hook rotates, make the mobile roof support at the two ends of mobile roof support hook T beam, ensure that mobile roof support is fixed relative to bridge, now link up with the hydraulic cylinder mechanism be connected with traveling boots and extend, traveling boots hook rotates, traveling boots depart from T beam, and hoofing part mechanism, by the transmission of drive motors driven wheel, makes traveling boots move forward on mobile roof support.
A kind of trackless lower edge inspection trolley of the present invention, solve lower edge inspection trolley walking rails or adapter installation difficulty is high, labour intensity is high, operating cost is high problem, the mode of being rotated by drive motors driven wheel drives mobile roof support and traveling boots alternately mobile, and the rail-free realizing inspection trolley moves.When the inspection trolley not used time, inspection trolley and pontic can be fixed together by application mobile roof support hook and traveling boots hook, ensure that the security and stability of whole inspection trolley structure.The present invention is without the need to laying the special walking rails of inspection trolley, utilize the T beam of certainly laying a railway track of steel truss girder itself, by innovation inspection trolley structure design, leapfroging of inspection trolley mobile roof support and traveling boots is realized in gear-driven mode, realize inspection trolley even running, the features such as the present invention is simple and reliable for structure, and integrated cost is low, are widely used in the steel truss girder bridge girder construction of various pattern.
Accompanying drawing explanation
Fig. 1 be the present invention along bridge to schematic front view;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is walking mechanism schematic diagram of the present invention;
Fig. 4 is the traveling boots hook clasp joint T beam at the two ends of traveling boots of the present invention, and mobile roof support is taken main car frame and to be movably walking schematic diagram
Fig. 5 is the mobile roof support hook clasp joint T beam at the two ends of mobile roof support of the present invention, and traveling boots move operation schematic diagram relative to mobile roof support.
Detailed description of the invention
Now further illustrate the present invention by reference to the accompanying drawings how to implement:
The trackless lower edge inspection trolley of a kind of steel purlin bridge of the present invention, comprise main car frame H, T beam bottom walking mechanism Z and steel truss girder, every portion walking mechanism Z comprises mobile roof support 1, hoofing part mechanism 2, traveling boots 3, mobile roof support hook 4 and traveling boots hook 5, two walking mechanism Z are respectively by the lower end of its mobile roof support 1, and symmetry is arranged on main car frame H end face direction across bridge two ends; The below that hoofing part mechanism 2 is arranged on traveling boots 3 is fixedly connected with mobile roof support 1, traveling boots 3 bottom it tooth bar 3-1 engage with the driven wheel 21 of hoofing part mechanism 2; The upper end of the mobile roof support 1 of described two walking mechanism Z respectively by mobile roof support hook 4 corresponding with T beam bottom steel truss girder mount or depart from mount; Traveling boots 3 upper end of described two walking mechanism Z respectively by traveling boots hook 5 corresponding with T beam bottom steel truss girder mount or depart from mount; By controlling mobile roof support hook 4 respectively, traveling boots hook 5 T beams corresponding to bottom steel truss girder alternately mount, and drive the driven wheel 21 of hoofing part mechanism 2 to rotate, traveling boots 3, mobile roof support 1 T beam alternative expression one step one formula of driving bottom steel truss girder of ordering about moves, thus the suitable bridge realizing inspection trolley is to being progressively movably walking in order, implement maintenance and inspection work bottom steel truss girder.
The mobile roof support hook 4 controlling the two ends of described mobile roof support 1 mounts fixing with T beam, traveling boots 3 traveling boots hook 5 is departed from T beam and mounts, hoofing part mechanism 2 makes driven wheel 21 rotate by motor 22, orders about tooth bar 3-1 bottom traveling boots 3 and is movably walking relative to mobile roof support 1.
The traveling boots hook 5 controlling the two ends of described traveling boots 3 is hung fixing with T beam, the mobile roof support of mobile roof support 1 hook 4 is departed from T beam and mounts, hoofing part mechanism 2 makes driven wheel 21 rotate by motor 22, order about mobile roof support 1 take the relative traveling boots 3 of inspection trolley main car frame bottom tooth bar 3-1 be movably walking.
Described hoofing part mechanism 2 is made up of motor 22 and driven wheel 21, and the output shaft of motor 22 is fixedly connected with driven wheel 21.
Described mobile roof support hook 4 is connected with hydraulic cylinder mechanism A, by the rotary folding of hydraulic jack extension and contraction control mobile roof support hook 4.
Described traveling boots hook 5 is connected with hydraulic cylinder mechanism B, by the rotary folding of hydraulic jack extension and contraction control traveling boots hook 5.
Movement about inspection trolley of the present invention is advanced as follows:
The present invention designs to adopt and mobile roof support 1 and traveling boots 3 one side is fixed relative to bridge, and the mode that the opposing party is then rotated by drive motors 22 driven wheel 21 moves forward, and mobile roof support 1 and traveling boots 3 leapfrog, thus realize the advance of inspection trolley; As shown in Figure 3, when needing traveling boots 3 to fix relative to bridge, hydraulic cylinder mechanism B shrinks, and traveling boots hook 5 rotates, and makes the traveling boots at the two ends of traveling boots 3 link up with 5 and hooks T beam, ensure that traveling boots 3 are fixed relative to bridge, now hydraulic cylinder mechanism B extends, and mobile roof support hook 4 rotates, and mobile roof support 1 departs from T beam, hoofing part mechanism 2, by the transmission of drive motors 22 driven wheel 21, makes mobile roof support 1 carry inspection trolley main car frame H and is movably walking on traveling boots 3.
As shown in Figure 4, when needing mobile roof support 1 to fix relative to bridge, hydraulic cylinder mechanism B shrinks, and mobile roof support hook 4 rotates, and makes the mobile roof support at the two ends of mobile roof support 1 link up with 4 and hooks T beam, mobile roof support 1 is kept to fix relative to bridge, now hydraulic cylinder mechanism A extends, and traveling boots hook 5 rotates, and traveling boots 3 depart from T beam, hoofing part mechanism 2, by the transmission of drive motors 22 driven wheel 21, makes traveling boots 3 be movably walking on mobile roof support 1.
Claims (6)
1. the trackless lower edge inspection trolley of steel purlin bridge, comprise main car frame, T beam bottom walking mechanism and steel truss girder, it is characterized in that, every portion walking mechanism comprises mobile roof support, hoofing part mechanism, traveling boots, mobile roof support hook and traveling boots hook, and two walking mechanisms are arranged on main car frame end face direction across bridge two ends respectively by the lower end symmetry of its mobile roof support; Hoofing part organization establishes is fixedly connected with mobile roof support in the below of traveling boots, traveling boots bottom it tooth bar engage with the driven wheel of hoofing part mechanism; The upper end of the mobile roof support of described two walking mechanisms respectively by mobile roof support hook corresponding with T beam bottom steel truss girder mount or depart from mount; The traveling boots upper end of described two walking mechanisms respectively by traveling boots hook corresponding with T beam bottom steel truss girder mount or depart from mount; By controlling mobile roof support hook respectively, traveling boots hook T beam corresponding to bottom steel truss girder alternately mounts, and drive the driven wheel of hoofing part mechanism to rotate, order about traveling boots, mobile roof support T beam alternative expression one step one bottom steel truss girder to drive and move, realizing the suitable bridge of inspection trolley to being progressively movably walking in order, implementing maintenance and inspection work bottom steel truss girder.
2. the trackless lower edge inspection trolley of a kind of steel purlin bridge according to claim 1, it is characterized in that, the mobile roof support hook controlling the two ends of described mobile roof support mounts fixing with T beam, traveling boots traveling boots hook is departed from T beam and mounts, hoofing part mechanism makes driven wheel rotate by motor, and bottom ordering about traveling boots, tooth bar is movably walking relative to mobile roof support.
3. the trackless lower edge inspection trolley of a kind of steel purlin bridge according to claim 1, it is characterized in that, the traveling boots hook controlling the two ends of described traveling boots is hung fixing with T beam, the mobile roof support of mobile roof support hook is departed from T beam and mounts, hoofing part mechanism makes driven wheel rotate by motor, order about mobile roof support take the relative traveling boots of inspection trolley main car frame bottom tooth bar be movably walking.
4. the trackless lower edge inspection trolley of a kind of steel purlin bridge according to claim 1, it is characterized in that, hoofing part mechanism is made up of motor and driven wheel, and the output shaft of motor is fixedly connected with driven wheel.
5. the trackless lower edge inspection trolley of a kind of steel purlin bridge according to claim 1, is characterized in that, mobile roof support hook is connected with hydraulic cylinder mechanism, by the rotary folding of hydraulic jack extension and contraction control mobile roof support hook.
6. the trackless lower edge inspection trolley of a kind of steel purlin bridge according to claim 1, is characterized in that, traveling boots hook is connected with hydraulic cylinder mechanism, by the rotary folding of hydraulic jack extension and contraction control traveling boots hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653369.2A CN104343084B (en) | 2014-11-14 | 2014-11-14 | The trackless lower edge inspection trolley of a kind of steel purlin bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653369.2A CN104343084B (en) | 2014-11-14 | 2014-11-14 | The trackless lower edge inspection trolley of a kind of steel purlin bridge |
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| Publication Number | Publication Date |
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| CN104343084A true CN104343084A (en) | 2015-02-11 |
| CN104343084B CN104343084B (en) | 2016-04-13 |
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| CN201410653369.2A Active CN104343084B (en) | 2014-11-14 | 2014-11-14 | The trackless lower edge inspection trolley of a kind of steel purlin bridge |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105714677A (en) * | 2016-04-27 | 2016-06-29 | 衡水橡胶股份有限公司 | Trackless bridge inspection vehicle traveling device |
| CN105799718A (en) * | 2016-03-16 | 2016-07-27 | 武汉优凯检测技术有限公司 | Double-purpose rotary mechanism for rail-defect detector car for road and rail |
| CN106835976A (en) * | 2017-02-23 | 2017-06-13 | 武汉武桥交通装备技术有限公司 | A kind of top chord check car heavy grade climbing walking mechanism |
| CN107938506A (en) * | 2017-10-17 | 2018-04-20 | 中铁工程设计咨询集团有限公司 | One kind can Self-loading-unloading top chord check car |
| CN110131589A (en) * | 2019-04-19 | 2019-08-16 | 成都市新筑路桥机械股份有限公司 | A kind of towed main push-towing rope inspection vehicle of stepping |
| CN114182631A (en) * | 2021-12-24 | 2022-03-15 | 成都市新筑交通科技有限公司 | Track-distance-variable crawler-type traveling mechanism for bridge maintenance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3386785B2 (en) * | 2000-08-18 | 2003-03-17 | 株式会社ブリッジ・エンジニアリング | Scaffolding support device and scaffold device in bridge structure |
| CN201778284U (en) * | 2010-08-17 | 2011-03-30 | 中铁二院工程集团有限责任公司 | Inspection vehicle for bridge with steel truss |
| CN102733300A (en) * | 2012-06-07 | 2012-10-17 | 中铁大桥勘测设计院集团有限公司 | Novel bridge inspection vehicle |
| WO2013098590A1 (en) * | 2011-12-29 | 2013-07-04 | Dini Piattaforme Sas Di Dini Franco & C. | Equipment for the inspection of the metallic girders of railway bridges and a procedure for installing this equipment |
| CN103255712A (en) * | 2013-05-29 | 2013-08-21 | 株洲时代新材料科技股份有限公司 | Device and method suitable for inspecting and maintaining different steel arch bridge arches |
| CN203639826U (en) * | 2014-01-03 | 2014-06-11 | 株洲时代新材料科技股份有限公司 | Steel truss girder bridge inspection vehicle |
| CN204224988U (en) * | 2014-11-14 | 2015-03-25 | 武桥重工集团股份有限公司 | The trackless lower edge inspection trolley of a kind of steel purlin bridge |
-
2014
- 2014-11-14 CN CN201410653369.2A patent/CN104343084B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3386785B2 (en) * | 2000-08-18 | 2003-03-17 | 株式会社ブリッジ・エンジニアリング | Scaffolding support device and scaffold device in bridge structure |
| CN201778284U (en) * | 2010-08-17 | 2011-03-30 | 中铁二院工程集团有限责任公司 | Inspection vehicle for bridge with steel truss |
| WO2013098590A1 (en) * | 2011-12-29 | 2013-07-04 | Dini Piattaforme Sas Di Dini Franco & C. | Equipment for the inspection of the metallic girders of railway bridges and a procedure for installing this equipment |
| CN102733300A (en) * | 2012-06-07 | 2012-10-17 | 中铁大桥勘测设计院集团有限公司 | Novel bridge inspection vehicle |
| CN103255712A (en) * | 2013-05-29 | 2013-08-21 | 株洲时代新材料科技股份有限公司 | Device and method suitable for inspecting and maintaining different steel arch bridge arches |
| CN203639826U (en) * | 2014-01-03 | 2014-06-11 | 株洲时代新材料科技股份有限公司 | Steel truss girder bridge inspection vehicle |
| CN204224988U (en) * | 2014-11-14 | 2015-03-25 | 武桥重工集团股份有限公司 | The trackless lower edge inspection trolley of a kind of steel purlin bridge |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799718A (en) * | 2016-03-16 | 2016-07-27 | 武汉优凯检测技术有限公司 | Double-purpose rotary mechanism for rail-defect detector car for road and rail |
| CN105714677A (en) * | 2016-04-27 | 2016-06-29 | 衡水橡胶股份有限公司 | Trackless bridge inspection vehicle traveling device |
| CN106835976A (en) * | 2017-02-23 | 2017-06-13 | 武汉武桥交通装备技术有限公司 | A kind of top chord check car heavy grade climbing walking mechanism |
| CN107938506A (en) * | 2017-10-17 | 2018-04-20 | 中铁工程设计咨询集团有限公司 | One kind can Self-loading-unloading top chord check car |
| CN107938506B (en) * | 2017-10-17 | 2023-09-15 | 中铁工程设计咨询集团有限公司 | Can load and unload last string inspection vehicle certainly |
| CN110131589A (en) * | 2019-04-19 | 2019-08-16 | 成都市新筑路桥机械股份有限公司 | A kind of towed main push-towing rope inspection vehicle of stepping |
| CN114182631A (en) * | 2021-12-24 | 2022-03-15 | 成都市新筑交通科技有限公司 | Track-distance-variable crawler-type traveling mechanism for bridge maintenance |
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| CN104343084B (en) | 2016-04-13 |
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