CN205276138U - Novel roof beam car is transported to tire formula U type roof beam by oneself - Google Patents
Novel roof beam car is transported to tire formula U type roof beam by oneself Download PDFInfo
- Publication number
- CN205276138U CN205276138U CN201620022427.6U CN201620022427U CN205276138U CN 205276138 U CN205276138 U CN 205276138U CN 201620022427 U CN201620022427 U CN 201620022427U CN 205276138 U CN205276138 U CN 205276138U
- Authority
- CN
- China
- Prior art keywords
- car
- tire
- novel
- formula
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a novel roof beam car is transported to tire formula U type roof beam by oneself, front truck and back car including the cooperation use, the front truck includes preceding frame, and back car is including the back frame, preceding, back cross braces correspond respectively arrange in the front, on the frame of back, preceding, back frame through hydraulic pressure hang with the axle joint support, hydraulic pressure hangs, axle, steering mechanism and driving system are connected with electro -hydraulic control system respectively, preceding, back frame all includes vertical girder and a plurality of crossbeams of connection between this is to vertical girder that a pair of bilateral symmetry arranged, install a driver's cabin on at least one frame of preceding, back frame. This fortune roof beam car simple structure, convenient operation improves the efficiency of construction transportation, and the cost of the time of the rail dismantlement after the completion is laid and transports to the rail of having practiced thrift before the conventional transportation before being under construction.
Description
Technical field
The utility model relates to a kind of beam car, especially a kind of novel U-shaped beam beam car of the formula of tire voluntarily.
Background technology
Along with the fast development of China's economy and day by day increasing of population, traffic more and more becomes the problem that people pay close attention to, and the construction of traffic be unable to do without the erection of different types of rridges, and along with going deep into of bridge construction, new U-shaped beam has occurred again in the case beam of bridge construction.
Traditional track traffic all adopts box beam, and box beam is closed thin wall cross section, and its torsional strength is big, and there is the cross section efficiency index that T-shaped cross section is high, simultaneously its top board and base areas are all bigger, can effectively undertake positive hogging moment, and meet the needs of arrangement of reinforcement. Due to the structure properties that box-type section is good so that it is become the normal section form adopted in Bridge Design. U-shaped beam is a kind of novel prefabricated concrete bridge, U-shaped cross section is a kind of Opening Thin Walled Section, it is made up of parts such as base plate, web and crossbeams, belong to base-supporting Prestressed Concrete Bridges, it is compared with case beam, have reduce investment outlay, the advantage such as profile is attractive in appearance, good visual effect, beam body are slim and graceful, sectional space utilization ratio height, safety travel, excellent noise reduction effect.
Use U-shaped beam can improve the security of train driving, on the other hand, the structure formation of U-shaped beam makes it need not install protective grating and sound barrier in addition, greatly reduces the consumption of viaduct sound barrier, therefore uses U-shaped girder construction form will effectively reduce construction and operation cost. Therefore novel U-shaped beam is widely used in urban track traffic. Conventional U-shaped beam transports and sets up general mode is that U-shaped beam is transported to bale handle station, is then mentioned by beam on beam face on the wheel-rail type girder transporting vehicle waited. It is transported to position of setting a roof beam in place again by wheel-rail type girder transporting vehicle.
Existing conventional u-shaped beam beam car generally adopts wheel-track type, and wheel-rail type girder transporting vehicle needs to run on the track laid at the bridge floor set up or roadbed. Complete the transport of the U-shaped beam of various different lengths, before these bridges are transported to bridge formation machine. Meeting reserved steel bar when constructing on the conventional general beam face of prefabricated U-shaped beam, therefore the beam car on beam face generally all adopts wheel-track type, utilizes the reinforcing bar buried in advance first to carry out the track laying of suggestion, waits and removed by temporary track after formally setting a roof beam in place again. Laying the wheel-track type fortune beam mode of track early stage for this kind, rail needs omnidistance laying, also to be removed so that transportation cost and the engineering time of U-shaped beam increase greatly after setting a roof beam in place. Which increase the cost and construction period set a roof beam in place.
Practical novel content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, a kind of novel U-shaped beam beam car of the formula of tire voluntarily is provided, this beam car structure is simple, easy to operate, improve the efficiency of construction transport, saved the steel rail laying before the conventional transport before construction and transport complete after the cost of time of rail dismounting.
For achieving the above object, the utility model adopts following technical proposals:
A kind of novel U-shaped beam beam car of the formula of tire voluntarily, comprise with the use of front car and rear car, described front car comprises front frame, rear car comprises Rear frame, before, rear carrying crossbeam is before correspondence is arranged in respectively, in Rear frame, before, Rear frame is connected support by hydraulic suspension with vehicle bridge, hydraulic suspension, vehicle bridge, turning device and power system are connected with electro-hydraulic control system respectively, before, Rear frame includes one and to the longitudinal girder being symmetrically arranged and is connected to this to the some crossbeams between longitudinal girder, before described, at least one vehicle frame of Rear frame is provided with a wheel house.
The axis number of described forward and backward car is 10, and weight and size are close, easy disassembly and transition shipping, and drive axle is distributed in rear car, and braking bridge and driven bridge are distributed on forward and backward car, and the hanging oil cylinder of forward and backward car hydraulic suspension is connected into some groups respectively.
Each hanging oil cylinder is provided with explosion relief valve.
Total two groups matched with forward and backward car of described turning device, Mei Zu turning device comprises four steering cylinders and four groups of steering links, steering cylinder is in a symmetrical arrangement, two ends are connected on corresponding described vehicle frame and on the hydraulic suspension that is connected with drag link group, the drag link composition Eight characters and the layout of falling the Eight characters. Two-way traveling can be realized, turn to flexibly, place strong adaptability.
Being connected with single tire on each drive axle being connected with hydraulic suspension, each tire configures a driving oil motor and step-down gear respectively, and multiple CD-ROM drive motor is for being arranged in parallel.
The hanger bracket of each hydraulic suspension is " L " type structure, is provided with single tire below each hydraulic suspension.
Described vehicle control system is that row control walked by telepilot, and there is Function for Automatic Pilot, can travel at the steel nail middle security that buries in advance in beam face, the traveling of U-shaped beam in beam face can be realized, greatly improve the efficiency of construction transport, saved the steel rail laying before the conventional transport before construction and transport complete after the cost of time of rail dismounting.
Described forward and backward carrying crossbeam forms the supported at three point mechanism to U-shaped beam.
Described electro-hydraulic control system comprises hydraulic control system and electrical control system.
Drive axle of the present utility model is all positioned in rear car, the hanging oil cylinder of the hydraulic suspension of the car left and right sides, front and back is divided into several groups and is connected in series together, the steering link of front and back car becomes the Eight characters and the layout of falling the Eight characters respectively, two-way traveling can be realized, turn to flexibly, place strong adaptability, it is configured with Function for Automatic Pilot, can travel at the steel nail middle security that buries in advance in beam face, the traveling of U-shaped beam in beam face can be realized, greatly improve the efficiency of construction transport, saved the steel rail laying before the conventional transport before construction and transport complete after the cost of time of rail dismounting. The mode of transport of front and back two chassis, better adapts to little curve and sets a roof beam in place.
The utility model is applied to the transport of the U-shaped beam of urban light rail, well played bridge erection convenient, transport advantage safe and reliable, that equipment transition is economical and practical. Urban light rail U beam transport from now on and erection has higher promotional value.
Compared with traditional rail mounted beam car, the designing and employing of the U-shaped beam beam car of Novel tire type has the advantage of the following aspects in rig-site utilization.
1, the circulation material in fortune beam and transportation cost is saved;
Traditional wheel-rail type girder transporting vehicle needs to carry out fortune beam operation along rail, it is necessary to a large amount of instrument rail is as circulation material. Applicant's construction task of being responsible for setting a roof beam in place is example, and maximum fortune, interval of setting a roof beam in place are 2.7 kilometers. Need to purchase 270 tons, 50 rail, clamping plate 870 polylith, clamping plate bolt more than 1700 cover. According to the calculation of price of 2800 yuan/ton. The acquisition expenses of rail is approximately 756000 yuan. The acquisition expenses of clamping plate and bolt is probably 90000 yuan. It is 846000 yuan that two expenses add up to. The turnover field trucking costs of rail and clamping plate, according to One-way transport distances 500 kilometers calculating, is approximately 100000 yuan. Owing to erection bridge is in 9 intervals, period, 8 transition trucking costs were approximately 70000 yuan. Amount to material purchase commodity and freight charges about 1016000 yuan such as saving rail.
2, improve operating efficiency, reduce Financial cost;
Tire type beam conveying vehicle eliminates steel rail laying, welding after substituting rail mounted beam car, and rail reclaims, and saves equipment transition times. Well improve operating efficiency, reduce construction cost. Understand according to scene and measuring and calculating, the identical engineering time, set a roof beam in place by traditional rail mounted beam car fortune. Single class completes the erection of 3-4 sheet bridge, and after adopting tire type beam conveying vehicle, single class completes the erection of 4-5 sheet bridge. Efficiency of comprehensively setting a roof beam in place improves more than 20%. With the erection task computation of applicant company 1200 beams, save cost of labor greatly about 1,200,000 yuan. The time that interval rail reclaims every time in addition is generally at 5-10 days. Labour cost and equipment fuel oil consumption expense greatly about more than 20000 yuan, about 160000 yuan of the expense of 8 times. On rail, bridge and transition lifting crane cost about about 2500 yuan every time, need crane One-Shift Costs about 20000 yuan for 8 times altogether. The application of tire type beam conveying vehicle saves this expense completely.
3, reduce the operation in U-shaped beam prefabricated process and reduce materials consumption;
In the use of conventional rails beam car, walking the fixing of row rail is a problem being not easy to solve. General way increases by a procedure when beam field is prefabricated: buries the Deformed Steel Bars of 12 in advance, according to the density of one meter one group, is embedded in away the both sides of row rail uniformly. Bury reinforcing bar length in advance between 15-20 centimetre. 1200 beams bury reinforcing bar total amount in advance at about 10 tons. Add the increase of labour cost. Increase cost greatly about 30000 yuan. In addition, when steel rail laying, also weld a block plate with welding machine and it is connected with rail. Also with gas cutting, solder joint is all sliced off when reclaiming rail. Add welding electrode, oxygen, the consumption of acetylene and power consumption.
4, optimize construction organization, reduce personnel's manual work;
Use after tire type beam conveying vehicle, eliminate the operations such as loading and unloading steel rails car, welding, laying, eliminate the complicated manual work such as the connection of rail, welding, gas cutting. Decrease the step of the manual works such as artificial carrying. The optimization of equipment is really allowed to have liberated heavy manual work. It is achieved the construction organization technique of hommization.
5, the security strengthen steep gradient fortune, setting a roof beam in place and constructing.
After substituting rail mounted beam car by tire type beam conveying vehicle, due to the brake systems design of tire type beam conveying vehicle. Add that the stopping distance of tire formula transportation equipment itself to be far smaller than rail mounted transportation equipment. When setting up the steep gradient bridge of more than 15 ��, the security of fortune beam is greatly improved, and operational security when beam fed by beam car and bridge formation machine simultaneously have also been obtained raising. Reduce the security risk that beam car collides bridge formation machine. In addition, selecting of novel appts makes construction organization scheme obtain optimization. Greatly reduce the operations such as loading and unloading steel rails, electric welding, gas cutting. Decrease security risk potential in this type of construction process.
6, reduce materials consumption, it be beneficial to energy-saving and emission-reduction
By analyzing it can be seen that after utilizing tire type beam conveying vehicle, reduce all kinds of steel and use nearly 300 tons, be beneficial to the production reducing highly energy-consuming, high pollution Industrial products; Decrease the use of welding electrode and oxygen-acetylene, decrease the fuel oil consumption in transport, welding power consumption process, be beneficial to minimizing energy-saving and emission-reduction, reduce the discharge of hazardous contaminant in air simultaneously, positive effect is served for environment protection.
In sum, replace traditional rail mounted beam car by novel tire type beam conveying vehicle, from the safe handling promoting equipment, ensure site safety construction; Optimize construction scheme, reduces heavy physical labor; Raise labour efficiency, create considerable economic benefit; Promote energy-saving and emission-reduction, it is beneficial to all many-sides such as environment protection and all embodies its unrivaled advantage. At present, Qingdao blue Silicon Valley test property utilizes Novel tire type beam car to coordinate fortune to set a roof beam in place 600 multi-discs, equipment transition 5 times. By company's economic activity analysis monthly, its economic benefit is embodied. Meanwhile, construction of setting a roof beam in place have also been obtained the accreditation of owner.
Accompanying drawing explanation
Fig. 1 (a) is car owner's view before the utility model;
Fig. 1 (b) is the utility model rear car front view;
Fig. 2 is fortune beam operating mode schematic diagram of the present utility model;
Fig. 3 is that row sectional schematic diagram is walked in beam face of the present utility model;
Fig. 4 is vehicle frame schematic diagram of the present utility model;
Fig. 5 is hydraulic suspension schematic diagram of the present utility model;
Fig. 6 is turning device of the present utility model schematic diagram;
Wherein, 1. front frame, 2. before carry crossbeam, 8. Rear frame, 9. hydraulic control system, 10. electrical control system, 11. power systems, 12. longitudinal girder, 13. crossbeams, 18.U type beam, 21. drag links, 22. steering cylinders, 31. hanger brackets, 32. hanging oil cylinder after carrying crossbeam, 3. vehicle bridge, 4. hydraulic suspension, 5. breaking system, 6. turning device, 7.
Embodiment
Below in conjunction with drawings and Examples, the utility model is illustrated further.
As shown in Fig. 1 (a), Fig. 1 (b)-Fig. 6, the U-shaped beam beam car of tire formula voluntarily, with the use of front car and rear car, the axis number of forward and backward car is for being 10, and weight and size are close, easy disassembly and transition shipping. Braking bridge and driven bridge are distributed on forward and backward car. Described front car comprises front frame 1, rear car comprises Rear frame 8, forward and backward carrying crossbeam 2,7 respectively correspondence be arranged on forward and backward vehicle frame 1,8, forward and backward vehicle frame 1,8 is connected support by hydraulic suspension 4 with vehicle bridge 3, and hydraulic suspension 4, vehicle bridge 3, breaking system 5, turning device 6 and power system 11 are connected with electro-hydraulic control system respectively. Electro-hydraulic control system comprises hydraulic control system 9 and electrical control system 10.
Forward and backward vehicle frame 1,8 includes one and to the longitudinal girder 12 being symmetrically arranged and is connected to this to the some crossbeams 13 between longitudinal girder 12, longitudinal girder 12 and some crossbeams 13 connect to form frame mechanism, enough spaces are had, it is possible to make vehicle at the enterprising walking row of the U-shaped beam 18 in two, left and right below beam car crossbeam 13. The front and back car of beam car is all furnished with telepilot or drivers' cab, it is possible to make vehicle carry out bidirectional driving, enables the actions such as beam car carrying out freely advances, retrogressing.
As shown in Figures 2 and 3, due to the restriction of Twisted Steel reserved on beam face when the both sides height of U-shaped beam and beam processed, the passage that vehicle can only adopt single side single-wheel tyre walking narrow in centre, and cross over traveling on the flank of two width beams.
Voluntarily the front and back vehicle frame 1,8 of the U-shaped beam beam car of tire formula is placed with carrying crossbeam respectively, the supported at three point of the capable paired U-shaped beam 18 of fulcrum above front carrying crossbeam 2 and rear carrying crossbeam 7, for supporting U-shaped beam 18 above, the mechanism of this kind of supported at three point can ensure that the U-shaped beam transported is at 3 and is subject to power above, ensures not turned round.
As shown in Figure 1, the U-shaped beam beam car of tire formula adopts hydraulic suspension 4 voluntarily, hydraulic suspension 4 on the car of front and back divides into groups to be formed the supported at three point mechanism of bicycle separately, the hanging oil cylinder 32 of forward and backward car hydraulic suspension 4 is all be connected into some groups, ensures to be the most stable support mechanism below the forward and backward carrying crossbeam 2,7 on every each car.
Each hanging oil cylinder 32 is provided with safety explosion-proof valve, described safety explosion-proof valve can close the oil inlet and outlet of hanging oil cylinder 32 after pipe breakage, make hanging oil cylinder 32 remain on certain height location, car body can not be made to tilt, ensure that the security of the U-shaped beam of transport.
Being connected with single tire on each drive axle being connected with hydraulic suspension 4, each tire configures a driving oil motor and step-down gear respectively, and multiple CD-ROM drive motor is for being arranged in parallel.
The hanger bracket 31 of each hydraulic suspension 4 is " L " type structure, is provided with single tire below each hydraulic suspension.
Hanging oil cylinder 32 can with hanger bracket 31 turning device 6 steering cylinder 22 with turn to draw cylinder 21 to act under be connected and rotate, it is achieved the rotation of hydraulic suspension 4 and vehicle bridge 3.
As shown in Figure 6, the turning device 6 of tire formula U-shaped beam beam car is total and front voluntarily, match two groups of rear car, before and after turning device 6, two chassis control separately, the turning device 6 of each chassis is by being installed on hydraulic suspension 4 and front, Rear frame 1, four steering cylinders 22 and four groups of drag links 21 on 8 form, steering cylinder 22 is in a symmetrical arrangement, two ends are connected on corresponding described vehicle frame and with on drag link 21 groups of hydraulic suspensions being connected, the drag link composition Eight characters and the layout of falling the Eight characters, the turning device 6 of every chassis can realize keeping straight on, the Eight characters turns to, Small angle diagonal, two-way traveling can be realized, turn to flexibly, place strong adaptability.
As shown in Figure 1, the U-shaped beam beam car drive axle of tire formula is all configured in rear car (away from bridge formation machine direction) voluntarily, each drive axle and hydraulic suspension 4 link together, and hydraulic suspension 4 is connected with single tire, the throat walking that to be convenient on beam face reserved.
The control that tire formula U-shaped beam beam car adopts telepilot to carry out various action voluntarily (can also be installed drivers' cab additional, control in drivers' cab. The U-shaped beam beam car of tire formula has Function for Automatic Pilot voluntarily, can travel at the steel nail middle security that buries in advance in beam face, the traveling of U-shaped beam in beam face can be realized, greatly improve the efficiency of construction transport, saved the steel rail laying before the conventional transport before construction and transport complete after the cost of time of rail dismounting.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but not to the restriction of the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (9)
1. the novel U-shaped beam beam car of the formula of tire voluntarily, it is characterized in that, comprise with the use of front car and rear car, described front car comprises front frame, rear car comprises Rear frame, before, rear carrying crossbeam is before correspondence is arranged in respectively, in Rear frame, before, Rear frame is connected support by hydraulic suspension with vehicle bridge, hydraulic suspension, vehicle bridge, turning device and power system are connected with electro-hydraulic control system respectively, before, Rear frame includes one and to the longitudinal girder being symmetrically arranged and is connected to this to the some crossbeams between longitudinal girder, before described, at least one vehicle frame of Rear frame is provided with a wheel house.
2. the novel U-shaped beam beam car of the formula of tire voluntarily as claimed in claim 1, it is characterized in that, the axis number of described forward and backward car is 10, and drive axle is distributed in rear car, braking bridge and driven bridge are distributed on forward and backward car, and the hanging oil cylinder of forward and backward car hydraulic suspension is connected into some groups respectively.
3. the novel U-shaped beam beam car of the formula of tire voluntarily as claimed in claim 2, is characterized in that, each hanging oil cylinder is provided with explosion relief valve.
4. the novel U-shaped beam beam car of the formula of tire voluntarily as claimed in claim 1, it is characterized in that, total two groups matched with forward and backward car of described turning device, Mei Zu turning device comprises four steering cylinders and four groups of steering links, steering cylinder is in a symmetrical arrangement, two ends are connected on corresponding described vehicle frame and on the hydraulic suspension that is connected with drag link group, the drag link composition Eight characters and the layout of falling the Eight characters.
5. the novel U-shaped beam beam car of the formula of tire voluntarily as claimed in claim 1, it is characterized in that, being connected with single tire on each drive axle being connected with hydraulic suspension, each tire configures a driving oil motor and step-down gear respectively, and multiple CD-ROM drive motor is for being arranged in parallel.
6. the novel U-shaped beam beam car of the formula of tire voluntarily as claimed in claim 1, is characterized in that, the hanger bracket of each hydraulic suspension is " L " type structure, is provided with single tire below each hydraulic suspension.
7. the novel U-shaped beam beam car of the formula of tire voluntarily as claimed in claim 1, is characterized in that, vehicle control system is that row control walked by telepilot, and has Function for Automatic Pilot.
8. the novel U-shaped beam beam car of the formula of tire voluntarily as claimed in claim 1, is characterized in that, described forward and backward carrying crossbeam forms the supported at three point mechanism to U-shaped beam.
9. the novel U-shaped beam beam car of the formula of tire voluntarily as claimed in claim 1, is characterized in that, described electro-hydraulic control system comprises hydraulic control system and electrical control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620022427.6U CN205276138U (en) | 2016-01-11 | 2016-01-11 | Novel roof beam car is transported to tire formula U type roof beam by oneself |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620022427.6U CN205276138U (en) | 2016-01-11 | 2016-01-11 | Novel roof beam car is transported to tire formula U type roof beam by oneself |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205276138U true CN205276138U (en) | 2016-06-01 |
Family
ID=56060722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620022427.6U Active CN205276138U (en) | 2016-01-11 | 2016-01-11 | Novel roof beam car is transported to tire formula U type roof beam by oneself |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205276138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826022A (en) * | 2017-10-27 | 2018-03-23 | 合肥正浩机械科技有限公司 | A kind of fortune beam gun carriage at a high speed |
| CN108118619A (en) * | 2017-12-29 | 2018-06-05 | 上海市机械施工集团有限公司 | A kind of U beams installation structure and method |
-
2016
- 2016-01-11 CN CN201620022427.6U patent/CN205276138U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826022A (en) * | 2017-10-27 | 2018-03-23 | 合肥正浩机械科技有限公司 | A kind of fortune beam gun carriage at a high speed |
| CN108118619A (en) * | 2017-12-29 | 2018-06-05 | 上海市机械施工集团有限公司 | A kind of U beams installation structure and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201003145Y (en) | Upward and self-walking type mobile die carrier | |
| CN203601274U (en) | Combined type single-rail public transport system | |
| CN100427345C (en) | Metric rail flat car | |
| CN204282185U (en) | A kind of armful rail magnetic levitation track traffic bridge | |
| CN201635012U (en) | Bridge box girder erection machine | |
| CN202264689U (en) | Tunnel construction transport vehicle | |
| CN104594173A (en) | Rail holding type electromagnetic suspension track traffic box girder | |
| CN201907505U (en) | Double-layered and two-way rail compatible green public transit | |
| CN205276138U (en) | Novel roof beam car is transported to tire formula U type roof beam by oneself | |
| CN103253177A (en) | Self-propelled channel beam transport vehicle | |
| CN201634332U (en) | Heavy girder gantry crane | |
| CN203213637U (en) | Roadbed box for walking on floor of larger crawler crane | |
| CN107244534A (en) | Prefabricated box culvert transport vehicle | |
| CN104533471A (en) | Trackless carrier of heavy hydraulic support and trackless caging method of support | |
| CN202611714U (en) | Tunnel assembly type construction trolley without welding | |
| CN205591116U (en) | A two roof beam travelling car operation platform that is used for overpass steel case breast portion to be under construction | |
| CN110561996A (en) | multifunctional bidirectional driving transport vehicle | |
| CN203878476U (en) | Tracklayer reconstructed by DJ180 bridge girder erection machine | |
| CN201745475U (en) | Girder transporter capable of passing through tunnel on ultra-low mountain terrain | |
| CN109707407B (en) | Mortar tank truck, auxiliary transfer device of mortar tank truck and tunnel construction transportation method | |
| CN113622310A (en) | Method for transporting beam and frame beam suitable for small-radius curve section | |
| CN202986919U (en) | Underground trackless transportation dump truck | |
| CN205474639U (en) | A rail travelling bogie that is used for bridge floor railway to lay rail welding rail production line | |
| WO2022193200A1 (en) | Rapid construction method for secondary lining of small-section tunnel | |
| CN210066384U (en) | Urban rail scattered paving method mechanical construction equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |