CN106638272B - A kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor - Google Patents
A kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor Download PDFInfo
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- CN106638272B CN106638272B CN201710108291.XA CN201710108291A CN106638272B CN 106638272 B CN106638272 B CN 106638272B CN 201710108291 A CN201710108291 A CN 201710108291A CN 106638272 B CN106638272 B CN 106638272B
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- bridge
- lifting hydraulic
- hydraulic cylinder
- main
- travelling crane
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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
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/10—Travelling bridges, i.e. roller bridges; Sliding bridges; Rotary cylinder bridges, i.e. rotating about longitudinal axis to invert and raise the road
-
- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- 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
- E01D19/04—Bearings; Hinges
-
- 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
-
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor, belong to surface mining technical field, the bridge of overhead travelling crane includes main bridge and secondary pontic, secondary pontic one end is fixed with power transmission shaft, both ends of the drive shaft sets the first sprocket wheel, the relative both ends of main bridge length direction are hinged by power transmission shaft and secondary pontic, form arc bridge floor, the relative both ends of main bridge width respectively set two reducing motors, reducing motor output end sets the second sprocket wheel, second sprocket wheel is connected with adjacent first sprocket wheel by driving chain, the relative both ends of main bridge length direction are respectively and fixedly provided with the first lifting hydraulic cylinder, first lifting hydraulic cylinder bottom sets bridge pier bearing pad, main bridge lower surface is fixed with main lifting hydraulic cylinder at center, distance is available for adhesive tape conveyor to pass through between main lifting hydraulic cylinder and the first lifting hydraulic cylinder, main lifting hydraulic cylinder lower rotation is connected to tracked carrier.Bridge of overhead travelling crane conveniently moving of the present invention, it can be set for that mobile and that changes bridge of overhead travelling crane sets up position according to different transit routes.
Description
Technical field
The invention belongs to surface mining technical field, is used to drive a vehicle across the automatic moving type of adhesive tape conveyor more particularly to a kind of
Bridge.
Background technology
Mining industry is the basis of national economy, and it, which carries, provides coal and various mineral, the task of raw material.With
China's expanding economy, the technological transformation to original mining equiment is also very urgent, uses high quality, high-effect, high economic effect
The mining machine equipment of benefit equips mine, improves the development level of China's mining industry technology with this.Wherein, have an opencast mining of
Production efficiency compared with pit mining is higher by 3~7 times, and has the advantages that production safety, working condition are good, makes it have wide
Development prospect, enjoy the concern of countries in the world.In the late four decades, external strip coal mining has obtained larger development, and the world is main
Producing coal country, strip coal mining proportion by the sixties in last century 20~30% increase till now 40~50%, make great efforts expand
While mining area capacity, more advanced large-scale winning apparatus is constantly manufactured and used.
With the maximization of China's opencast mining scale, winning apparatus maximization and the serialization of production practice, influence to reveal
The global transportation system's route problem of its ore deposit exploitation is particularly important, and adhesive tape conveyor is then to influence transit route problem
Key factor.The circuit of the haulage vehicle such as China's open coal mine dump truck is set due to being obstructed by adhesive tape conveyor at present
And use and arranged around line, this line arrangement mode make it that the transportation range of haulage vehicle greatly increases, and haul distance reasonability is low,
The conevying efficiency of coal is also reduced, and long-distance transportation can cause tire wear to be accelerated, so that motor transport cost increases,
And then the production cost of ton coal is raised.It is typically to cross over adhesive tape conveyor using rigid bridge of overhead travelling crane is manually overlapped at present, from
And make haulage vehicle from rigid bridge of overhead travelling crane by shortening the transit route of haulage vehicle with this.But the rigidity manually overlapped
Bridge of overhead travelling crane mobility is poor, can not change its installation site, if transit route changes, needs to overlap bridge of overhead travelling crane ability again
Enough meet the arrangement requirement of transit route.In addition, also a kind of patent of Application No. 2015110255016, there is provided
A kind of removable pontic for being used in road construction field, for providing the temporary traffic of dilly, but the pontic
Unpowered source, the dragging of towing vehicle is needed in moving process, it is inconvenient for use；Use and tear open in the junction of major and minor pontic
Formula connection is unloaded, but at opencut field, because the load-carrying of haulage vehicle is larger, easily pontic is damaged, even results in
The generation of accident；And the support of pontic is fixed and needs to use bolt to be fixed, but consolidate in opencut onsite application foundation bolt
It is fixed also comparatively laborious.Therefore, it is necessary to which a kind of brand-new structure solves the above problems.
The content of the invention
The problem of existing for prior art, the present invention provide a kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor,
The bridge of overhead travelling crane conveniently moving, it can be set for that mobile and that changes bridge of overhead travelling crane sets up position according to different transit routes.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor, including main bridge and two secondary pontics, the secondary pontic
One end be fixed with power transmission shaft, the both ends of the power transmission shaft are equipped with the first sprocket wheel, relative on host bridge body length direction
Both ends are hinged by power transmission shaft and two secondary pontics respectively, form arc bridge floor, and power transmission shaft can rotate relative to main bridge, main bridge
Relative both ends are respectively provided with two reducing motors on width, and the output end of the reducing motor is connected with the second sprocket wheel, institute
State and connected by driving chain between the second sprocket wheel the first sprocket wheel adjacent thereto, the driving chain can drive secondary pontic to fold
On main bridge；Relative both ends have been fixedly connected with the first lifting hydraulic cylinder on host bridge body length direction, and described
One lifting hydraulic cylinder is located at the lower surface of main bridge and power transmission shaft hinged place, and the bottom of the first lifting hydraulic cylinder is provided with bridge pier branch
Seat, the center of host bridge body lower surface are fixedly connected with main lifting hydraulic cylinder, the main lifting hydraulic cylinder and both sides the
The distance between one lifting hydraulic cylinder is available for adhesive tape conveyor by the way that the lower rotation of main lifting hydraulic cylinder is connected to crawler belt fortune
Defeated car, one end of the tracked carrier are provided with driver cage, and host bridge body can be relative with main lifting hydraulic cylinder
Tracked carrier rotates.
The lower surface of the secondary pontic is fixedly connected with the second lifting hydraulic cylinder, and the bottom of second lifting hydraulic cylinder is set
There is bridge pier bearing pad.
The bridge pier bearing pad lower surface is provided with shock-absorbing buffer pad, is provided between the main lifting hydraulic cylinder and tracked carrier
Shock-absorbing buffer pad.
Stress controller is provided with the bridge pier bearing pad.
The upper surface of host bridge body and secondary pontic is equipped with skid resistant course.
Host bridge body or the relative both ends of secondary pontic width are equipped with the pontic guardrail higher than pontic upper surface.
Protective cover is provided with outside first sprocket wheel.
Beneficial effects of the present invention：
The present invention provides a kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor, because pontic bottom is provided with crawler belt fortune
Defeated car, the bridge of overhead travelling crane is moved freely, and can be set for according to the transit route of reality mobile and change bridge of overhead travelling crane
Position is set up, and realizes the automatic overlap joint of bridge of overhead travelling crane pontic, haulage vehicle can be made interim across adhesive tape conveyor on bridge of overhead travelling crane
Current, the transportation range during transport is detoured of haulage vehicle caused by effectively solving the problems, such as adhesive tape conveyor is larger,
And haulage vehicle is on bridge of overhead travelling crane when passing through, following adhesive tape conveyor can normal work, do not interfere with the normal operation of production,
Further improve operating efficiency.Due to the shortening of haulage vehicle haul distance, there is the transport capacity of vehicle and be substantially improved, and then
The Effec-tive Function of other process procedures of opencut is driven, greatly reduces the ton ore deposit production cost of opencut.Due to the bridge of overhead travelling crane
Mobility so that after the traffic route change of haulage vehicle, bridge of overhead travelling crane is repeatable to be utilized, and improves the utilization of bridge of overhead travelling crane
Rate, avoid and build caused waste again in process of production.And the secondary pontic of the bridge of overhead travelling crane may be folded in main bridge
On, the trouble of the space taken needed for transportation and assembly and disassembly pair pontic is reduced, makes the movement of the bridge of overhead travelling crane more
It is convenient, and the lower surface of main bridge Yu secondary pontic hinged end is provided with the first lifting hydraulic cylinder, can there is connecting portion
Enough stabilized soil pavements, it thereby may be ensured that traffic safety of the haulage vehicle on bridge of overhead travelling crane.Crossed over according to bridge of overhead travelling crane
The height of material on belt conveyer and transporter, can form the different gradients between secondary pontic and ground.
Brief description of the drawings
Fig. 1 is that the present invention is used for the front view across the automatic moving type bridge of overhead travelling crane of adhesive tape conveyor；
Fig. 2 is that the present invention is used for the top view across the automatic moving type bridge of overhead travelling crane of adhesive tape conveyor；
Fig. 3 is that the present invention is used for the left view across the automatic moving type bridge of overhead travelling crane of adhesive tape conveyor；
Fig. 4 is the structural representation that the present invention is used for after the automatic moving type bridge of overhead travelling crane pair pontic of adhesive tape conveyor folds；
In figure：1- main bridges, 2- pair pontics, 3- power transmission shafts, the sprocket wheels of 4- first, 5- reducing motors, the sprocket wheels of 6- second, 7- are passed
Dynamic chain, the lifting hydraulic cylinders of 8- first, 9- bridge pier bearing pads, the main lifting hydraulic cylinders of 10-, 11- tracked carriers, 12- second are lifted
Hydraulic cylinder, 13- pontic guardrails, 14- protective covers, 15- driver cages.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor, surface mining transport is belonged to
Auxiliary equipment, in surface mining hauling operation, bridge of overhead travelling crane to be set up across adhesive tape conveyor, for haulage vehicle by,
So as to shorten the transit route of haulage vehicle.
The present invention is used to include main bridge 1 and two secondary pontics 2, secondary pontic 2 across the automatic moving type bridge of overhead travelling crane of adhesive tape conveyor
One end be fixed with power transmission shaft 3, the both ends of power transmission shaft 3 are equipped with the first sprocket wheel 4, relative both ends on the length direction of main bridge 1
It is be hinged by power transmission shaft 3 and two secondary pontics 2 respectively, arc bridge floor is formed, power transmission shaft 3 can rotate relative to main bridge 1.Main bridge
1 is equipped with skid resistant course with the upper surface of secondary pontic 2, can effectively prevent haulage vehicle on bridge of overhead travelling crane by when slide, keep away
Exempt to cause unnecessary damage, while friction resistance can be increased during haulage vehicle sails out of bridge of overhead travelling crane from secondary pontic 2 again
Power, prevent the too fast initiation accident of speed during Xia Qiao.In the present embodiment, main bridge 1 or the width of secondary pontic 2 are relative
Both ends be equipped with pontic guardrail 13 higher than pontic upper surface, pontic guardrail 13 can effectively avoid haulage vehicle in driving conditions
In fall from bridge of overhead travelling crane, avoid the generation of accident.Relative both ends are respectively provided with two reducing motors on the width of main bridge 1
5, the output end of reducing motor 5 is connected with the second sprocket wheel 6, passes through driving-chain between the second sprocket wheel 6 first sprocket wheel 4 adjacent thereto
Bar 7 is connected, and reducing motor 5 can be driven by the first sprocket wheel 4 and be fixed on by the transmission of the second sprocket wheel 6 and driving chain 7
Secondary pontic 2 on power transmission shaft 3 rotates with respect to main bridge 1, secondary pontic 2 is folded on main bridge 1, this has also reduced row
Space shared by the pontic of vehicle bridge, make the movement of bridge of overhead travelling crane more convenient.In other embodiments, can also be in main bridge 1
Relative both ends are respectively provided with a reducing motor 5 on width, and the output shaft of reducing motor 5 is set with two by unilateral bearing
Individual second sprocket wheel 6, the unilateral bearing in two the second sprocket wheels 6 is oppositely arranged, each second sprocket wheel 6 and the first sprocket wheel 4 of side
Connected by driving chain 7.In the present embodiment, be provided with protective cover 14 outside the first sprocket wheel 4, when the bridge of overhead travelling crane after folding
When moving, situations such as protective cover 14 can effectively prevent the first sprocket wheel 4 caused by the collision in moving process to be damaged
Occur.
Relative both ends have been fixedly connected with the first lifting hydraulic cylinder 8, the first lifting hydraulic cylinder on the length direction of main bridge 1
8 are provided with bridge pier bearing pad 9 positioned at main bridge 1 and the lower surface of the hinged place of power transmission shaft 3, the bottom of the first lifting hydraulic cylinder 8, and first lifts
Rise hydraulic cylinder 8 can effectively support and consolidate the pontic of the bridge of overhead travelling crane, and ensure bridge of overhead travelling crane bridge floor have car by when, main bridge
1 connecting portion being hinged with secondary pontic 2 has enough stabilized soil pavements.The lower surface of secondary pontic 2 is fixedly connected with second
Lifting hydraulic cylinder 12, the bottom of the second lifting hydraulic cylinder 12 are provided with bridge pier bearing pad 9, the support strength of secondary pontic 2 are improved with this.
In the present embodiment, stress controller is provided with bridge pier bearing pad 9, in the pontic build process of bridge of overhead travelling crane, stress controller
The contact stress between bridge pier bearing pad 9 and ground can be measured in real time, to control the first lifting hydraulic cylinder 8 or the second lifting hydraulic cylinder
12 flexible reaches setting value, so that the pontic of the bridge of overhead travelling crane is in steady status.The lower surface of bridge pier bearing pad 9, which is provided with, to be subtracted
Cushion pad is shaken, shock-absorbing buffer pad can reduce haulage vehicle and be shaken on bridge of overhead travelling crane by caused to caused by bridge pier bearing pad 9
Stress rupture.In the present embodiment, the center of the lower surface of main bridge 1 is fixedly connected with main lifting hydraulic cylinder 10, main act
Rise the distance between hydraulic cylinder 10 and first lifting hydraulic cylinder of both sides 8 and be available for adhesive tape conveyor and pass through.In other embodiments,
Main lifting hydraulic cylinder 10 also can amesiality first lifting hydraulic cylinder 8 set, ensure opposite side the first lifting hydraulic cylinder 8 and main act
Rise the distance between hydraulic cylinder 10 and be available for adhesive tape conveyor by and setting close to the main side of lifting hydraulic cylinder 10 main bridge 1 inclined
Core structure, to ensure stability of the bridge of overhead travelling crane in moving process, the accidents such as overturning will not occur.The bottom of main lifting hydraulic cylinder 10
Portion is rotationally connected with tracked carrier 11, and main bridge 1 can rotate with the main opposing tracks transport vehicle 11 of lifting hydraulic cylinder 10, carries out
One end with transport vehicle 11 is provided with driver cage 15, and operating personnel can drive tracked carrier 11 in driver cage 15
With building for manipulation bridge of overhead travelling crane.Tracked carrier 11 can preferably adapt to opencut out-of-flatness surface vehicle movement, and with master
Lifting hydraulic cylinder 10 provides firm support for pontic together, and can provide power resources for pontic.In the present embodiment, it is main
Shock-absorbing buffer pad is provided between lifting hydraulic cylinder 10 and tracked carrier 11, shock-absorbing buffer pad can reduce haulage vehicle in bridge of overhead travelling crane
It is upper to be shaken by caused to the stress rupture caused by tracked carrier 11.
Illustrate the first use process of the present invention below in conjunction with the accompanying drawings.
The build process of bridge of overhead travelling crane：
Operating personnel enter in driver cage 15, drive tracked carrier 11 by bridge of overhead travelling crane with the folded form in Fig. 4
The operating position of bridge of overhead travelling crane is built needed for being transported to, tracked carrier 11 is rested in the side of adhesive tape conveyor, and adjust shoe
The transporting direction of direction of travel and adhesive tape conveyor with transport vehicle 11 is consistent.Main lifting hydraulic cylinder 10 is made to be raised up to main bridge
The lower surface of body 1 may span across the height of the conveyor belt of adhesive tape conveyor, and afterwards, main lifting hydraulic cylinder 10 drives main bridge 1 relative
Tracked carrier 11 rotates, and makes one end of main bridge 1 across conveyor belt, and adjust the angle between main bridge 1 and conveyor belt
Degree, in order to passing through for haulage vehicle.After position adjustment well, start reducing motor 5, pass through the second sprocket wheel 6, driving chain 7
And first sprocket wheel 4, secondary pontic 2 is put down from main bridge 1, the free end of secondary pontic 2 is contacted with ground, then make the first lifting
Hydraulic cylinder 8 stretches out simultaneously with the second lifting hydraulic cylinder 12, and when the stress value that stress controller measures is consistent with setting value, protects
It is constant to hold pressure, bridge of overhead travelling crane builds completion.
The folding process of bridge of overhead travelling crane：
When the bridge of overhead travelling crane of state shown in Fig. 1 needs to be moved to other operating positions, the operator in driver cage 15
Member first retracts the first lifting hydraulic cylinder 8 and the second lifting hydraulic cylinder 12, afterwards, starts reducing motor 5, passes through the second sprocket wheel
6th, the sprocket wheel 4 of driving chain 7 and first, by secondary pontic 2 from raked floor, and it is folded on main bridge 1, as shown in figure 4, and driving
Bridge of overhead travelling crane is transported to the required operating position for building bridge of overhead travelling crane by tracked carrier 11.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be appreciated by those skilled in the art that technical scheme can be modified or waited
With replacing, without departing from the objective and scope of the technical program, it all should cover in scope of the presently claimed invention.
Claims (7)
- A kind of 1. automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor, it is characterised in that including：Main bridge and two secondary pontics, One end of the secondary pontic is fixed with power transmission shaft, and the both ends of the power transmission shaft are equipped with the first sprocket wheel, host bridge body length side Relative both ends are hinged by power transmission shaft and two secondary pontics respectively upwards, form arc bridge floor, power transmission shaft can be with respect to main bridge Rotate, relative both ends are respectively provided with two reducing motors on main bridge width, and the output end of the reducing motor is connected with Second sprocket wheel, connected by driving chain between second sprocket wheel the first sprocket wheel adjacent thereto, the driving chain can band Secondary pontic is moved to be folded on main bridge；Relative both ends have been fixedly connected with the first lifting liquid on host bridge body length direction Cylinder pressure, first lifting hydraulic cylinder are located at the lower surface of main bridge and power transmission shaft hinged place, the bottom of the first lifting hydraulic cylinder Provided with bridge pier bearing pad, the center of host bridge body lower surface is fixedly connected with main lifting hydraulic cylinder, the main lifting hydraulic pressure The distance between cylinder and the lifting hydraulic cylinder of both sides first are available for adhesive tape conveyor by the way that the lower rotation of main lifting hydraulic cylinder connects Tracked carrier is connected to, one end of the tracked carrier is provided with driver cage, and host bridge body can be with main lifting hydraulic pressure Opposing tracks transport vehicle rotates cylinder together.
- 2. the automatic moving type bridge of overhead travelling crane according to claim 1 being used for across adhesive tape conveyor, it is characterised in that：The secondary pontic Lower surface be fixedly connected with the second lifting hydraulic cylinder, the bottom of second lifting hydraulic cylinder is provided with bridge pier bearing pad.
- 3. the automatic moving type bridge of overhead travelling crane according to claim 1 or 2 being used for across adhesive tape conveyor, it is characterised in that：The bridge Pier bearing lower surface is provided with shock-absorbing buffer pad, and shock-absorbing buffer pad is provided between the main lifting hydraulic cylinder and tracked carrier.
- 4. the automatic moving type bridge of overhead travelling crane according to claim 1 or 2 being used for across adhesive tape conveyor, it is characterised in that：The bridge Stress controller is provided with pier bearing.
- 5. the automatic moving type bridge of overhead travelling crane according to claim 1 being used for across adhesive tape conveyor, it is characterised in that：Host bridge body Skid resistant course is equipped with the upper surface of secondary pontic.
- 6. the automatic moving type bridge of overhead travelling crane according to claim 1 being used for across adhesive tape conveyor, it is characterised in that：Host bridge body Or the relative both ends of secondary pontic width are equipped with the pontic guardrail higher than pontic upper surface.
- 7. the automatic moving type bridge of overhead travelling crane according to claim 1 being used for across adhesive tape conveyor, it is characterised in that：First chain Wheel is outer to be provided with protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108291.XA CN106638272B (en) | 2017-02-27 | 2017-02-27 | A kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108291.XA CN106638272B (en) | 2017-02-27 | 2017-02-27 | A kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor |
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| Publication Number | Publication Date |
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| CN106638272A CN106638272A (en) | 2017-05-10 |
| CN106638272B true CN106638272B (en) | 2018-04-06 |
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| CN201710108291.XA Active CN106638272B (en) | 2017-02-27 | 2017-02-27 | A kind of automatic moving type bridge of overhead travelling crane being used for across adhesive tape conveyor |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018773B (en) * | 2017-12-13 | 2019-08-30 | 李清花 | A kind of self-propelled telescopic interim overline bridge |
| CN107974918A (en) * | 2017-12-15 | 2018-05-01 | 曾正扬 | A kind of telescopic timesharing viaduct of scissors type elevating |
| CN110331651B (en) * | 2019-07-24 | 2021-03-02 | 辽宁工程技术大学 | Self-moving type travelling crane bridge for connecting open-pit mine stope and inner soil discharge field |
| CN111794079B (en) * | 2020-07-02 | 2022-04-01 | 邱磊 | Temporary bridge capable of passing through vehicles based on bridge construction |
| CN112030773B (en) * | 2020-09-17 | 2021-12-14 | 王建鑫 | Construction method for bridging between open pit coal mine stope and refuse dump |
| CN113026527A (en) * | 2021-03-16 | 2021-06-25 | 江苏建筑职业技术学院 | Emergent bridge is used in road construction of easily installing |
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| CN201574349U (en) * | 2010-01-08 | 2010-09-08 | 余波 | Low pressure grounding trestle |
| EP2625092A1 (en) * | 2010-10-05 | 2013-08-14 | Offshore Solutions B.V. | A gangway construction having a guiding assembly with pulley wheels and guiding cables |
| CN205295910U (en) * | 2015-12-29 | 2016-06-08 | 广东技术师范学院 | A portable bridge type vehicle system of passing for road construction |
| CN205370595U (en) * | 2016-03-17 | 2016-07-06 | 湖南五新机械有限公司 | Automatic hydraulic pressure inverted arch landing stage platform truck |
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| US7814599B2 (en) * | 2007-10-12 | 2010-10-19 | ThyssenKrupp Fördertechnik GmbH | Travel support mechanism for movable conveyor bridge |
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|---|---|---|---|---|
| CN201574349U (en) * | 2010-01-08 | 2010-09-08 | 余波 | Low pressure grounding trestle |
| EP2625092A1 (en) * | 2010-10-05 | 2013-08-14 | Offshore Solutions B.V. | A gangway construction having a guiding assembly with pulley wheels and guiding cables |
| CN205295910U (en) * | 2015-12-29 | 2016-06-08 | 广东技术师范学院 | A portable bridge type vehicle system of passing for road construction |
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