CN207974019U - A kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car - Google Patents
A kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car Download PDFInfo
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- CN207974019U CN207974019U CN201820384849.7U CN201820384849U CN207974019U CN 207974019 U CN207974019 U CN 207974019U CN 201820384849 U CN201820384849 U CN 201820384849U CN 207974019 U CN207974019 U CN 207974019U
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- bridge erector
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- 230000010354 integration Effects 0.000 title claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 72
- 238000012544 monitoring process Methods 0.000 claims description 19
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000010485 coping Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 241001314948 Bursaria incana Species 0.000 description 1
- 241001513282 Bursaria spinosa Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model discloses a kind of integration of transporting and building formula Bridge Erectors of three skate tire of rear car, including girder, front truck, rear car, main supporting leg, auxiliary supporting leg, beam-hanging traveling crane, the rear car includes the rear car crossbeam being connect with girder bottom, it is equipped with rear car longeron in rear car crossbeam both sides bottom, it is connect with rear car intermediate row wheel by rear car intermediate row wheel group suspension hydraulic cylinder in the center bottom of rear car crossbeam, rear car longeron bottom is connect by rear car both sides wheel group suspension hydraulic cylinder with rear car both sides wheel respectively, the rear car intermediate row wheel group suspension hydraulic cylinder and rear car both sides wheel group suspension hydraulic cylinder are connected by the output end of hydraulic tube and hydraulic pump respectively, the input terminal of hydraulic pump is connect by gearbox with engine, it is respectively equipped with pressure regulator valve on the hydraulic tube.The utility model solves the increasing with concrete box beam length, existing Bridge Erector to girder rigidity, take beam unfavorable problem deposited by tunnel, the construction load set a roof beam in place and operability.
Description
Technical field
The utility model is related to a kind of Bridge Erectors, and in particular to a kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car.
Background technology
As China railways constantly develop, the span for the precast pier that rail route is set up is increasing, sets up coagulation
The length of native box beam is also higher and higher to Bridge Erector requirement also with increasing.Such as：A kind of typical type fortune frame one
Formula Bridge Erector is played, with the increasing of concrete box beam length, the length of girder also increases therewith, can thus make the whole of Bridge Erector
Captain's degree and weight increase, and it is unfavorable that girder is just deposited to spending, take beam by tunnel, the construction load set a roof beam in place and operability.
Invention content
The utility model solves the deficiencies in the prior art, provide one kind can under the premise of span of setting a roof beam in place is constant,
Increase the stress that row's wheel shares both sides tire among rear car, rear car length shortens, and then shortens crane's major girder length；
Increase the stress that row's wheel shares both sides tire, the contracting of rear car length under the premise of crane's major girder overall length is constant, among rear car
It is short, improve the integration of transporting and building formula Bridge Erector of the fortune frame three skate tire of rear car of the span of setting a roof beam in place of formula Bridge Erector together.
Used technical solution is the utility model to achieve the goals above：
A kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car, including girder, one side bottom of the girder are equipped with main branch
Leg is equipped with auxiliary supporting leg in the center of girder, and the bottom that the girder is in main supporting leg side is equipped with front truck, in another side bottom of girder
Equipped with rear car, it is equipped with rear car in another side bottom of girder, the girder of the auxiliary supporting leg with the rear car is equipped with to be waited for for hanging
The beam-hanging traveling crane of box girder erection, the preceding car bottom is connect by front vehicle wheel group suspension hydraulic cylinder with front vehicle wheel, after described
Vehicle includes the rear car crossbeam being connect with girder bottom, rear car longeron is equipped in rear car crossbeam both sides bottom, in rear car crossbeam
Centre bottom is connect by rear car intermediate row wheel group suspension hydraulic cylinder with rear car intermediate row wheel, rear car longeron bottom difference
It is connect with rear car both sides wheel by rear car both sides wheel group suspension hydraulic cylinder, the rear car intermediate row wheel group suspension hydraulic cylinder
And rear car both sides wheel group suspension hydraulic cylinder is connected by the output end of hydraulic tube and hydraulic pump respectively, the input terminal of hydraulic pump is logical
It crosses gearbox to connect with engine, pressure regulator valve is respectively equipped on the hydraulic tube.Rear car independent suspension hydraulic system is using a set of
Hydraulic device, engine drive hydraulic pump, hydraulic pump output to flow to intermediate row and both sides independent suspension liquid respectively by gearbox
Cylinder pressure, and each fluid pressure line is respectively arranged with pressure regulator valve to control hydraulic cylinder output pressure, prevents Bridge Erector in frame concrete box girder
It stress and deforms more than strength and stiffness allowable value when upper walking and damages in the middle part of concrete box girder top plate.
Further, the rear car intermediate row wheel group suspension hydraulic cylinder connects with rear car intermediate row wheel group suspension
It connects, rear car both sides wheel group suspension hydraulic cylinder is connect with rear car both sides wheel group suspension, the rear car intermediate row wheel group
Suspension and rear car both sides wheel group suspension are all made of open type load sensitive control system.All wheel group suspensions of rear car
System is all made of open type load sensitive control system, and suspension cylinder uses double acting cylinder, complete machine suspension to use four-point supporting by vehicle frame,
Automatic Balance Regulation can be achieved in each point suspension.
Preferably, the model of the rear car intermediate row wheel group suspension hydraulic cylinder and rear car both sides wheel group suspension hydraulic cylinder
It is different.
Further, the front vehicle wheel, rear car both sides wheel, rear car intermediate row wheel, front vehicle wheel group suspension hydraulic
It is respectively equipped with pressure sensor on cylinder, rear car intermediate row wheel group suspension hydraulic cylinder and rear car both sides wheel group suspension hydraulic cylinder,
Bridge Erector real-time monitoring system is additionally provided on Bridge Erector, the Bridge Erector real-time monitoring system includes main control unit, the master
Control unit is connect with pressure regulator valve, pressure sensor, display and alarm respectively.
Real-time monitoring system is configured on the Bridge Erector, forward and backward vehicle wheel and independent suspension hydraulic cylinder configure pressure biography
Sensor, in operation process, the pressure sensor of wheel and the pressure sensor of hydraulic cylinder in real time pass pressure value Bridge Erector
In main control unit.Main control unit realizes the adjusting exported to suspension hydraulic cylinder power by adjusting pressure regulator valve, makes three groups of wheel stress
Reach a certain proportional balancing method.Main control unit connects display, pressure value can real-time display, front and back vehicle often arranges the wheel load of wheel group
It is all provided with nominal threshold value, prompting is sent out when wheel load reaches nominal threshold value 90%, and be adjusted；When wheel load reaches the specified threshold of wheel load
When value, alarm is sent out, and stop operation.
Further, the Bridge Erector real-time monitoring system by wirelessly be built-in with Bridge Erector monitor in real time application program
Terminal connection, the terminal be mobile phone.The utility model is by monitoring cell phone application, the main control unit on bridge formation locomotive in real time
The core parameter of monitoring（Including wheel group wheel load and independent suspension cylinder pressure etc.）, while display and monitoring on mobile phone,
It is adjusted convenient for user's real time inspection.
Further, the wheel of rear car both sides wheel and rear car intermediate row wheel is pressed in rear car walking in frame box beam
The stress and deformations that generated to frame box beam are respectively less than the working strength value and Admissible rigidity value of concrete box girder, and in rear car
Between row's wheel and number of rear car both sides wheel and to organize number equal.Bridge Erector rear car tire number and group number design：Bridge formation rack
Beam flow is periodic job, therefore forward and backward vehicle stress has periodically.The longest concrete box girder that can be set up by Bridge Erector is set
The maximum load that meter rear car is born（Maximum support reaction）, rear car tire number and group number are configured, is existed with reaching rear wheel tyre walking
The stress generated in frame box beam is less than the working strength of box beam, and generation deforms less than Admissible rigidity.
The tire pressure of the rear car intermediate row wheel is less than the tire pressure of rear car both sides wheel.In operation process, Bridge Erector takes beam
Walking is in frame box beam, and tyre walking is taken turns above concrete box beam web in rear car both sides, and tire is born compared with big load, rear car
Intermediate row wheel tyre walking top, tire in the middle part of concrete box girder top plate are born compared with side crops industry.
The utility model compares existing integration of transporting and building formula Bridge Erector, under the premise of span of setting a roof beam in place is constant, among rear car
Increase the load that row's wheel group shares both sides wheel group, shortens rear car length, and then shorten crane's major girder length, structure is more
Good compact, girder weight reduces, and rigidity is opposite to be promoted, and operation is more preferably convenient, and economy gets a promotion；In crane's major girder overall length
Increase the stress that row's wheel group shares both sides wheel group under the premise of constant, among rear car, reaches and shorten rear car length, to reach
To the span of setting a roof beam in place for improving integration of transporting and building formula Bridge Erector, meet multiple types concrete box erection.The utility model can also
In real time by the core parameter of the main control unit monitoring on bridge formation locomotive（Including wheel group wheel load and suspension hydraulic cylinder output pressure
Deng）, while display and monitoring in monitoring cell phone application, it is adjusted convenient for user's real time inspection.
Description of the drawings
The utility model is further described referring now to the drawings, wherein：
Fig. 1 is a kind of fortune frame of three skate tire of rear car of the utility model formula Bridge Erector positive structure schematic together；
Fig. 2 is a kind of fortune frame of three skate tire of rear car of the utility model formula Bridge Erector rear car positive structure schematic together；
Fig. 3 is a kind of fortune frame of three skate tire of rear car of the utility model formula Bridge Erector rear car side structure schematic diagram together；
Fig. 4 is that 90 degree of formula Bridge Erector rear car wheel group turns to just a kind of fortune frame of three skate tire of rear car of the utility model together
Face structural schematic diagram；
Fig. 5 is a kind of fortune frame of three skate tire of rear car of the utility model 90 degree of turn sides of formula Bridge Erector rear car wheel group together
Face structural schematic diagram；
Fig. 6 is operation process chart one of setting a roof beam in place；
Fig. 7 is operation process chart two of setting a roof beam in place；
Fig. 8 is operation process chart three of setting a roof beam in place；
Fig. 9 is operation process chart four of setting a roof beam in place；
Figure 10 is operation process chart five of setting a roof beam in place；
Figure 11 is operation process chart six of setting a roof beam in place；
Figure 12 is operation process chart seven of setting a roof beam in place；
Reference sign：1 is main supporting leg, and 2 be front truck, and 3 be girder, and 4 be auxiliary supporting leg, and 5 be beam-hanging traveling crane, and 6 be to wait for frame
If box beam, 7 be rear car, and 8 be frame box beam, and 9 be rear car crossbeam, and 10 be rear car longeron, and 11 be rear car both sides wheel group suspension liquid
Cylinder pressure, 12 be rear car both sides wheel, and 13 be rear car intermediate row wheel group suspension hydraulic cylinder, and 14 be rear car intermediate row wheel.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
As shown in FIG. 1 to 3, a kind of integration of transporting and building formula Bridge Erector of 7 three skate tire of rear car, including girder 3, the girder
3 one side bottoms are equipped with main supporting leg 1, are equipped with auxiliary supporting leg 4 in the center of girder 3, the bottom that the girder 3 is in main supporting leg side is equipped with
Front truck 2 is equipped with rear car 7 in 3 another side bottom of girder, and the girder 3 between the auxiliary supporting leg 4 and rear car 7 is equipped with for hanging
Wait for that the beam-hanging traveling crane 5 of box girder erection 6,2 bottom of the front truck are connect by front vehicle wheel group suspension hydraulic cylinder with front vehicle wheel, institute
It includes the rear car crossbeam 9 being connect with 3 bottom of girder to state rear car 7, rear car longeron 10 is equipped in 9 liang of side bottoms of rear car crossbeam, rear
The center bottom of car crossbeam 9 is connect by rear car intermediate row wheel group suspension hydraulic cylinder 13 with rear car intermediate row wheel, after described
10 bottom of vehicle longeron is connect by rear car both sides wheel group suspension hydraulic cylinder 11 with rear car both sides wheel respectively, among the rear car
Row's wheel group suspension hydraulic cylinder 13 and rear car both sides wheel group suspension hydraulic cylinder 11 pass through the output of hydraulic tube and hydraulic pump respectively
End connection, the input terminal of hydraulic pump are connect by gearbox with engine, and pressure regulator valve is respectively equipped on the hydraulic tube.Rear car is only
Vertical suspension hydraulic system uses a set of hydraulic device, engine to drive hydraulic pump, hydraulic pump output to flow to respectively by gearbox
Intermediate row and both sides independent suspension hydraulic cylinder, and each fluid pressure line is respectively arranged with pressure regulator valve to control hydraulic cylinder output pressure, prevents
Bridge Erector stress and to deform more than strength and stiffness allowable in the middle part of concrete box girder top plate when walking on frame concrete box girder
Value damages.
Further, the rear car intermediate row wheel group suspension hydraulic cylinder 13 connects with rear car intermediate row wheel group suspension
It connects, rear car both sides wheel group suspension hydraulic cylinder 11 is connect with rear car both sides wheel group suspension, the rear car intermediate row wheel
Group suspension and rear car both sides wheel group suspension are all made of open type load sensitive control system.All wheel groups of rear car are outstanding
Extension system is all made of open type load sensitive control system, and suspension cylinder uses double acting cylinder, complete machine suspension to use four point branch by vehicle frame
Automatic Balance Regulation can be achieved in support, each point suspension.
Preferably, the rear car intermediate row wheel group suspension hydraulic cylinder 13 and rear car both sides wheel group suspension hydraulic cylinder 11
Model is different.
Further, the front vehicle wheel, rear car both sides wheel 12, rear car intermediate row wheel 14, the suspension of front vehicle wheel group
It is respectively equipped with pressure on hydraulic cylinder, rear car intermediate row wheel group suspension hydraulic cylinder 13 and rear car both sides wheel group suspension hydraulic cylinder 11
Sensor is additionally provided with Bridge Erector real-time monitoring system on Bridge Erector, and the Bridge Erector real-time monitoring system includes main control unit,
The main control unit is connect with pressure regulator valve, pressure sensor, display and alarm respectively.Prison in real time is configured on the Bridge Erector
Control system, forward and backward vehicle wheel and the equal pressure sensor of independent suspension hydraulic cylinder, Bridge Erector in operation process, wheel
The pressure sensor of pressure sensor and hydraulic cylinder in real time passes pressure value in main control unit.Main control unit is by adjusting pressure regulation
Valve realizes the adjusting exported to suspension hydraulic cylinder power, and three groups of wheel stress is made to reach a certain proportional balancing method.Main control unit connection is aobvious
Show device, pressure value can real-time display, the wheel load that front and back vehicle often arranges wheel group is all provided with nominal threshold value, when wheel load reaches nominal threshold value
Prompting is sent out when 90%, and is adjusted；When wheel load reaches wheel load nominal threshold value, alarm is sent out, and stop operation.
Further, the Bridge Erector real-time monitoring system by wirelessly be built-in with Bridge Erector monitor in real time application program
Terminal connection, the terminal be mobile phone.The utility model is by monitoring cell phone application, the main control unit on bridge formation locomotive in real time
The core parameter of monitoring（Including wheel group wheel load and independent suspension cylinder pressure etc.）, while display and monitoring on mobile phone,
It is adjusted convenient for user's real time inspection.
Further, the wheel of rear car both sides wheel 12 and rear car intermediate row wheel 14 is pressed in rear car walking in frame case
The working strength value and Admissible rigidity value of frame box beam 8 is generated on beam 8 stress and deformation respectively less than concrete box girder, and after
Vehicle intermediate row wheel 14 is equal with the number of rear car both sides wheel 12 and group number.Bridge Erector rear car tire number and group number design：
Girder erection by bridging machine flow is periodic job, therefore 7 stress of forward and backward vehicle has periodically.The longest that can be set up by Bridge Erector is mixed
The maximum load that solidifying soil box beam casting rear car 7 is born（Maximum support reaction）, rear car tire number and group number are configured, to reach rear car
The stress that wheel tyre walking generates in frame box beam 8 is less than the working strength of box beam, and generation deforms less than Admissible rigidity.
The tire pressure of the rear car intermediate row wheel 14 is less than the tire pressure of rear car both sides wheel 12.In operation process, Bridge Erector
Beam walking is taken in frame box beam 8, rear car both sides wheel 12 is walked above concrete box beam web, and tire bears larger load
Lotus, the walking of rear car intermediate row wheel 14 top, tire in the middle part of concrete box girder top plate are born compared with side crops industry.
As shown in Figure 4 and Figure 5, Bridge Erector returns to Liang Chang and transports beam, and concrete box girder is placed on precalculated position, Bridge Erector and coagulation
Native box beam keeps certain distance parallel row to go to hanging beam position, the 90 degree of steerings of front truck 2 and 7 wheel group of rear car（Its 7 wheel group of rear car
Wheel does not interfere in 90 degree of steering procedures）, walking to concrete box girder top lifting box beam, front truck 2,7 wheel group of rear car
90 degree of steerings, fortune Liang Zhiyi set a roof beam in place end.
It will wait for that box girder erection 6 transports precalculated position to be set up as Fig. 6~Figure 12 is shown, be first placed in main supporting leg 1
A pier coping portion for waiting for box girder erection for frame box beam 8, mobile Bridge Erector, makes 3 side of girder of Bridge Erector be in case to be set up
Another pier coping portion of beam lifts main supporting leg and mobile main supporting leg 1, so that auxiliary supporting leg 4 is at the top of frame box beam, then move at this time
Moving main supporting leg to another pier coping portion for waiting for box girder erection and makes auxiliary supporting leg 4 lift, while mobile girder 3, until waiting setting up
6 both ends of box beam are in two pier coping portions, then a work flow is completed.
It above disclosure is merely preferred embodiments of the utility model, certainly cannot be new to limit this practicality with this
The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered
Range.It should be appreciated that above description be intended to it is illustrative and not limiting.For example, above-described embodiment (and/or its aspect) can
With in combination with one another.In addition, enlightenment according to the present utility model, which can make many remodeling, is suitable for specific situation or material
Material is without departing from the scope of the utility model.By reading foregoing description, in scope and spirit of the claims it is many its
Its embodiment and remodeling it will be apparent to those skilled in the art that.
Claims (8)
1. a kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car, including girder, one side bottom of the girder is equipped with main supporting leg,
It is equipped with auxiliary supporting leg in the center of girder, the bottom that the girder is in main supporting leg side is equipped with front truck, is set in another side bottom of girder
There are rear car, the girder of the auxiliary supporting leg to be with the rear car equipped with for hanging the beam-hanging traveling crane for waiting for box girder erection, the front truck
Bottom is connect by front vehicle wheel group suspension hydraulic cylinder with front vehicle wheel, it is characterised in that：The rear car includes and girder bottom
The rear car crossbeam of connection is equipped with rear car longeron in rear car crossbeam both sides bottom, passes through in rear car in the center bottom of rear car crossbeam
Between row wheel group suspension hydraulic cylinder connect with rear car intermediate row wheel, rear car longeron bottom passes through rear car both sides wheel respectively
Group suspension hydraulic cylinder is connect with rear car both sides wheel, the rear car intermediate row wheel group suspension hydraulic cylinder and rear car both sides wheel group
Suspension hydraulic cylinder is connected by the output end of hydraulic tube and hydraulic pump respectively, and the input terminal of hydraulic pump passes through gearbox and engine
It connects, pressure regulator valve is respectively equipped on the hydraulic tube.
2. the integration of transporting and building formula Bridge Erector of three skate tire of rear car according to claim 1, which is characterized in that in the rear car
Between row wheel group suspension hydraulic cylinder connect with rear car intermediate row wheel group suspension, rear car both sides wheel group suspension hydraulic cylinder and
The wheel group suspension connection of rear car both sides, the rear car intermediate row wheel group suspension and rear car both sides wheel group suspension system
System is all made of open type load sensitive control system.
3. the integration of transporting and building formula Bridge Erector of three skate tire of rear car according to any one of claim 1 to 2, feature exist
In the model of the rear car intermediate row wheel group suspension hydraulic cylinder and rear car both sides wheel group suspension hydraulic cylinder is different.
4. the integration of transporting and building formula Bridge Erector of three skate tire of rear car according to claim 1, which is characterized in that the front truck vehicle
Wheel, rear car both sides wheel, rear car intermediate row wheel, front vehicle wheel group suspension hydraulic cylinder, rear car intermediate row wheel group suspension hydraulic
It is respectively equipped with pressure sensor on cylinder and rear car both sides wheel group suspension hydraulic cylinder, Bridge Erector is additionally provided on Bridge Erector and is supervised in real time
Control system, the Bridge Erector real-time monitoring system includes main control unit, the main control unit respectively with pressure regulator valve, pressure sensing
Device, display and alarm connection.
5. the integration of transporting and building formula Bridge Erector of three skate tire of rear car according to claim 4, which is characterized in that the Bridge Erector
Real-time monitoring system with the terminal for being built-in with Bridge Erector real time monitoring application program by wirelessly connecting.
6. the integration of transporting and building formula Bridge Erector of three skate tire of rear car according to claim 5, which is characterized in that the terminal is
Mobile phone.
7. the integration of transporting and building formula Bridge Erector of three skate tire of rear car according to claim 1, which is characterized in that the rear car two
The wheel of side wheel and rear car intermediate row wheel is pressed in the stress and deformation that rear car walking generates frame box beam in frame box beam
The respectively less than working strength value and Admissible rigidity value of concrete box girder, and the number of rear car intermediate row wheel and rear car both sides wheel
And group number is equal.
8. the integration of transporting and building formula Bridge Erector of three skate tire of rear car according to claim 1, which is characterized in that in the rear car
Between row wheel tire pressure be less than rear car both sides wheel tire pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820384849.7U CN207974019U (en) | 2018-03-21 | 2018-03-21 | A kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820384849.7U CN207974019U (en) | 2018-03-21 | 2018-03-21 | A kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car |
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| Publication Number | Publication Date |
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| CN207974019U true CN207974019U (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820384849.7U Withdrawn - After Issue CN207974019U (en) | 2018-03-21 | 2018-03-21 | A kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203933A (en) * | 2018-03-21 | 2018-06-26 | 太原科技大学 | A kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car |
| CN110485301A (en) * | 2019-08-01 | 2019-11-22 | 中铁十六局集团有限公司 | A kind of Bridge Erector constructed by cross for beam sections |
-
2018
- 2018-03-21 CN CN201820384849.7U patent/CN207974019U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203933A (en) * | 2018-03-21 | 2018-06-26 | 太原科技大学 | A kind of integration of transporting and building formula Bridge Erector of three skate tire of rear car |
| CN108203933B (en) * | 2018-03-21 | 2024-01-26 | 太原科技大学 | Frame-transporting integrated bridge girder erection machine for rear vehicle three-row tires |
| CN110485301A (en) * | 2019-08-01 | 2019-11-22 | 中铁十六局集团有限公司 | A kind of Bridge Erector constructed by cross for beam sections |
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Granted publication date: 20181016 Effective date of abandoning: 20240126 |