CN111648225A - Method for mounting circular tube conveyor between mountain tops - Google Patents
Method for mounting circular tube conveyor between mountain tops Download PDFInfo
- Publication number
- CN111648225A CN111648225A CN201911164802.5A CN201911164802A CN111648225A CN 111648225 A CN111648225 A CN 111648225A CN 201911164802 A CN201911164802 A CN 201911164802A CN 111648225 A CN111648225 A CN 111648225A
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- Prior art keywords
- bridge
- stage
- telescopic
- tower
- frame
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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
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention relates to a method for installing a circular tube conveyor between mountain tops, which comprises the following steps: (1) respectively building and fixing a tower frame on the mountain tops on two sides; (2) mounting a telescopic bridge frame; (3) the two telescopic bridges are combined and fixedly connected between the tops of the mountains; (4) and installing a truss and a circular tube conveyor on the bridge frame which is butted. The installation method is reasonable, can improve the installation quality and the working efficiency on the basis of ensuring safe construction, can reduce the use and transportation of hoisting equipment, can accelerate the construction progress, shortens the construction period, reduces the cost and can also reduce the potential safety hazard of construction.
Description
Technical Field
The invention belongs to the technical field of conveyor installation, and particularly relates to a method for installing a circular tube conveyor between mountaintops.
Background
The circular tube belt conveyor is a special belt conveyor developed on the basis of a groove belt conveyor, can realize closed transportation, and effectively avoids the phenomena of material leakage, material sprinkling, dust raising, sundries mixing, rain and snow invasion and the like. The sealing performance is good, and the environmental pollution is low; the conveying inclination angle is large; is suitable for complex terrain arrangement. The ultra-long-distance circular tube belt conveyor is generally built in mountainous areas with extremely complex terrain, and the conveying lines of the circular tube belt conveyor are generally arranged along terrain curves.
The installation and construction difficulty of installing the pipe belt machine between the two mountaintops is high. The existing installation method has the following defects: 1. hoisting equipment and pipe and strip machine steel structural members are difficult to transport to a construction site. In order to transport the hoisting equipment and the steel structure steel parts of the pipe belt conveyor to a construction site, a simple road from the outside of a mountain to a valley needs to be constructed. The road construction needs not to occupy the cultivated land as much, and the house may need to be folded and moved, and the local natural environment is damaged. The civil engineering construction amount is large, and the civil engineering cost is high. 2. The height of the common mountain is 50 m-100 m, and the supporting height of the pipe belt machine is 50 m-100 m. The high support is high in manufacturing cost and difficulty in processing, manufacturing, transporting and installing.
In view of the above, it is desirable to provide a method for quickly installing a circular pipe conveyor between two mountaintop with less difficulty in construction and installation.
Disclosure of Invention
The invention aims to provide a method for quickly installing a circular tube conveyor between two mountaintops, which has low construction and installation difficulty.
The above purpose is realized by the following technical scheme: a method for installing a circular tube conveyor between mountaintops comprises the following steps:
(1) respectively building and fixing a tower frame on the mountain tops on two sides;
(2) installation of the telescopic bridge: the telescopic bridge comprises a basic bridge and a plurality of stages of telescopic bridges, wherein one end of each stage of telescopic bridge, which is far away from the tower, is provided with a connecting seat, the first stage of telescopic bridge is arranged on the basic bridge and can slide along a guide rail on the basic bridge, and the later stage of telescopic bridge is arranged on the former stage of telescopic bridge and can slide along the guide rail on the former stage of telescopic bridge; one end of the basic bridge frame is hinged with the tower frame, the other end of the basic bridge frame is connected with the tower frame through a steel cable, a pull rope on a winch is connected with a connecting seat on a first-stage telescopic bridge frame after passing through a fixed pulley on the tower frame, the winch drives the pull rope to drag the first-stage telescopic bridge frame to move towards the other mountain top direction along a guide rail on the basic bridge frame until the first-stage telescopic bridge frame moves to a preset position, and then the first-stage telescopic bridge frame is connected with the tower frame through a pull rope to pull the first-stage telescopic bridge frame; then connecting a pull rope on the winch after passing through a fixed pulley on the tower frame with a connecting seat on a second-stage telescopic bridge frame, driving the pull rope to drag the second-stage telescopic bridge frame to move along a guide rail on the first-stage telescopic bridge frame to the other mountain top direction until the second-stage telescopic bridge frame moves to a preset position, and then connecting the second-stage telescopic bridge frame with the tower frame by using a pull rope to pull the second-stage telescopic bridge frame; sequentially completing the installation and fixation of all levels of telescopic bridges according to the steps;
(3) the two telescopic bridges are combined and fixedly connected between the tops of the mountains;
(4) and installing a truss and a circular tube conveyor on the bridge frame which is butted.
The further technical scheme is that the telescopic bridge frame in the step (2) is replaced by a folding bridge frame, the folding bridge frame comprises a plurality of stages of folding bridge frames, two stages of folding bridge frames are connected and hinged, one end of a first stage of folding bridge frame is provided with a hinged support, the hinged support of the first stage of folding bridge frame in the step (2) is hinged with the tower frame, the other end of the first stage of folding bridge frame is connected with the tower frame through a steel cable, after the position of the first stage of folding bridge frame is adjusted, the folded second stage of folding bridge frame is connected with the tower frame through a connecting rod, then a pull rope of a winch is loosened and fixed on a third stage of folding bridge frame, then the third stage of folding bridge frame is rotated and unfolded by taking the hinged support as the center through an auxiliary hydraulic cylinder, when the third stage of folding bridge frame is erected, the pull rope passes through a fixed pulley on the tower frame, then the winch is slowly placed in a horizontal, sequentially completing the installation and fixation of each stage of folding bridges according to the steps; and (4) combining and fixedly connecting the two folding type bridges between the tops of the mountains in the step (3).
Because the whole bridge frame adopts a folding structure, and the bridge frames are connected by the pin shafts, the structure is simple, and the on-site hoisting and dismounting are convenient. When the installation is carried out between two disconnected mountains, a winding road is not required to be built, installation tasks can be carried out on two sides of the mountains with the passage way, the construction cost is reduced, the installation time is saved, and the construction progress is improved. And large-scale hoisting equipment is not needed in the installation process. The weight of each component of the folding bridge is light, and an overlong lifting arm is not needed.
The further technical scheme is that at least the tail ends of the guide rails of the basic bridge frame and the multi-stage telescopic bridge frame are in a slope shape, the tail ends of the guide rails are provided with stop blocks, each stage of telescopic bridge frame is provided with a sliding wheel, the sliding wheel of each stage of telescopic bridge frame in the step (2) rolls along the guide rails, and the sliding wheels stop moving after rolling to the stop blocks.
The technical scheme is that the stop block is provided with a limit groove, and in the step (2), the sliding wheel rolls to the stop block and then is clamped into the limit groove to be clamped and limited.
The further technical scheme is that in the step (3), after each stage of telescopic bridge moves to a preset position, two ends of each stage of telescopic bridge are connected with the tower through inhaul cables.
The further technical scheme is that the basic bridge comprises a bridge body, a guide rail and a hinged support, the hinged support is fixed at one end of the bridge body, the guide rail is fixed on the bridge body and extends towards one end far away from the hinged support, and the hinged support of the basic bridge and the hinged support of the tower are connected through a pin shaft in the step (2).
The further technical scheme is that each stage of telescopic bridge is composed of a bridge body, a guide rail and a sliding wheel, the first stage of telescopic bridge can be moved along the guide rail, and the next stage of telescopic bridge can be moved along the guide rail.
The further technical scheme is that the bridge ends of the last stage of the two telescopic bridges in the step (3) are connected through a connecting plate by using high-strength bolts.
The further technical scheme is that in the step (1), the tower is fixed by a ground anchor bolt, and then the steel tower is fixed on a ground anchor box by a stay cable, wherein the ground anchor box is arranged on one side of the tower far away from the valley.
The further technical scheme is that the winch is arranged on one side, far away from the valley, of the tower, the pulley support is arranged on the top of the tower, and the fixed pulley is arranged on the pulley support.
The further technical scheme is that in the step (2), each stage of telescopic bridge moves to a preset position and then is connected with the tower through a zipper; or one end of the zipper is connected with each stage of telescopic bridge frame, the other end of the zipper winds around the steel cable fixing seat on the tower frame and reserves the surplus length, and the zipper is fastened and then cut off the steel cable fixing seat fixed on the tower frame after each stage of telescopic bridge frame moves to the preset position.
The installation method is reasonable, can improve the installation quality and the working efficiency on the basis of ensuring safe construction, can reduce the use and transportation of hoisting equipment, can accelerate the construction progress, shortens the construction period, reduces the cost and can also reduce the potential safety hazard of construction.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural view of a tower mount according to an embodiment of the present invention;
fig. 2 is a schematic view of a winch installation structure after a tower is fixed according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a telescopic crane span structure installation process according to an embodiment of the present invention;
FIG. 4 is a schematic view of a telescopic bridge according to an embodiment of the present invention after being butted;
FIG. 5 is a schematic view of a connection structure of two retractable bridges according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a retractable bridge according to an embodiment of the present invention;
fig. 7 and 8 are front and side views, respectively, of a base bridge according to an embodiment of the present invention;
FIGS. 9 and 10 are front and side views, respectively, of a first stage telescoping bridge of a telescoping bridge according to an embodiment of the present invention;
FIG. 11 is a schematic view of a folding bridge according to one embodiment of the present invention;
FIG. 12 is a schematic diagram of a folding bridge installation process according to one embodiment of the present invention;
fig. 13 is a schematic view of a folded bridge according to an embodiment of the present invention after docking;
FIG. 14 is a schematic view of a connection structure of two folding bridges according to an embodiment of the present invention.
In the figure:
1 tower 2 tower column base 3 ground anchor bolt 4 hoist engine
5 ground anchor case 6 cable 7 fixed pulley 8 stay cord
9 telescopic crane span structure 10 basic crane span structure 11 multistage telescopic crane span structure 12 connecting plate
13 valley 14 first stage telescopic bridge 15 second stage telescopic bridge 16 third stage telescopic bridge
17 slide wheel 18 bridge frame body 19 guide rail 20 hinged support
21 high-strength bolt 22 steel cable fixing seat 23 folding type bridge frame 24 connecting rod
25 hydraulic cylinder 26 connecting pin 27 pin baffle
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the invention provides a method for installing a circular tube conveyor between mountain tops, which comprises the following steps of:
(1) respectively building and fixing a tower frame 1 at the tops of two mountains;
(2) installation of the telescopic bridge 9: the telescopic bridge 9 comprises a base bridge 10 and a plurality of stages of telescopic bridges 11, wherein one end of each stage of telescopic bridge of the plurality of stages of telescopic bridges 11, which is far away from the tower 1, is provided with a connecting seat, a first stage of telescopic bridge 14 is arranged on the base bridge 10 and can slide along a guide rail 19 on the base bridge 10, and a later stage of telescopic bridge is arranged on the former stage of telescopic bridge and can slide along the guide rail 19 on the former stage of telescopic bridge; one end of the basic bridge frame 10 is hinged with the tower frame 1, the other end of the basic bridge frame 10 is connected with the tower frame 1 through a steel cable, a pull rope 8 on a winch 4 is connected with a connecting seat on a first-stage telescopic bridge frame 14 after passing through a fixed pulley 7 on the tower frame 1, the winch 4 drives the pull rope 8 to drag the first-stage telescopic bridge frame 14 to move towards the direction of the other mountain top along a guide rail 19 on the basic bridge frame 10 until the first-stage telescopic bridge frame 14 moves to a preset position, and then the first-stage telescopic bridge frame 14 is connected with the tower frame 1 through a pull rope 6 to pull the first-stage telescopic; then, a pull rope 8 on the winch 4 after passing through a fixed pulley 7 on the tower 1 is connected with a connecting seat on a second-stage telescopic bridge frame 15, the winch 4 drives the pull rope 8 to drag the second-stage telescopic bridge frame 15 to move towards the other mountain top direction along a guide rail 19 on the first-stage telescopic bridge frame 14 until the second-stage telescopic bridge frame 15 moves to a preset position, and then the second-stage telescopic bridge frame 15 is connected with the tower 1 by a pull rope 6 to pull the second-stage telescopic bridge frame 15; sequentially completing the installation and fixation of all levels of the telescopic bridges 11 according to the steps;
(3) the two telescopic bridges 9 are combined and fixedly connected between the tops of the mountains;
(4) and installing a truss and a circular tube conveyor on the bridge frame which is butted.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 11 to 14, in the step (2), the telescopic crane span 9 is replaced by a folding crane span 23, the folding crane span 23 includes multiple stages of folding crane spans, the two stages of folding crane spans are connected to each other in a hinged manner, one end of the first stage of folding crane span is provided with a hinge base, in the step (2), the hinge base of the first stage of folding crane span is hinged to the tower 1, the other end of the first stage of folding crane span is connected to the tower 1 through a steel cable, after the position of the first stage of folding crane span is adjusted, the second stage of folding crane span is connected to the tower 1 through a connecting rod 24, then a pull rope 8 of a winch 4 is loosened, the pull rope 8 is fixed to the third stage of folding crane span, then the third stage of folding crane span is rotated and unfolded by using the hinge base as a center through, dragging the third-stage folding bridge frame by the winch 4 to slowly place the horizontal water level, fixing the third-stage folding bridge frame with the tower frame 1 by the connecting rod 24 after the installation position of the third-stage folding bridge frame is adjusted, and sequentially completing the installation and fixation of each stage of folding bridge frame according to the steps; in the step (3), the two folding type bridges 23 are converged and fixedly connected between the tops of the mountains.
Preferably, the two folding bridges 23 meet between the mountaintops, as shown in fig. 14, with the last stage of folding bridges connected by connecting pins 26 and pin stops 27.
In another embodiment of the present invention, as shown in fig. 8 and 10, at least the ends of the rails 19 of the base bridge 10 and the multi-stage telescopic bridges 11 are sloped, the ends of the rails 19 are provided with stoppers, each stage of telescopic bridges is provided with a sliding wheel 17, the sliding wheel 17 of each stage of telescopic bridges 11 rolls along the rail 19 in step (2), and the sliding wheel 17 rolls to the stoppers to stop moving.
On the basis of the above embodiment, in another embodiment of the present invention, the stop block is provided with a limit groove, and in the step (2), the sliding wheel 17 rolls to the stop block and then is clamped into the limit groove to perform clamping limit.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3, after each stage of the telescopic crane span structure moves to the predetermined position in step (3), both ends of each stage of the telescopic crane span structure are connected to the tower 1 by using the guy cables 6.
In addition to the above embodiments, in another embodiment of the present invention, as shown in fig. 7 and 8, the base bridge 10 includes a bridge body 18, a guide rail 19 and a hinge base 20, the hinge base 20 is fixed to one end of the bridge body 18, the guide rail 19 is fixed to the bridge body 18 and extends to an end away from the hinge base 20, and the hinge base 20 of the base bridge 10 and the hinge base of the tower 1 are connected by a pin in the step (2).
In addition to the above embodiments, in another embodiment of the present invention, as shown in fig. 9 and 10, each stage of the telescopic bridges is composed of a bridge body 18, a guide rail 19 and a sliding wheel 17, the first stage of the telescopic bridges 14 can move along the guide rail 19, and the next stage of the telescopic bridges can move along the guide rail 19.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 5, in the step (3), the bridge ends of the last stage of the two telescopic bridges 9 are connected by the connecting plate 12 using the high-strength bolt 21.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 2, in the step (1), the tower 1 is fixed by the ground anchor bolt 3, and then the steel tower 1 is fixed to the ground anchor box 5 by the stay cable 6, wherein the ground anchor box 5 is arranged on the side of the tower 1 far from the valley 13.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2 and 4, the hoist 4 is disposed on the side of the tower 1 away from the valley 13, the pulley bracket is disposed on the top of the tower 1, and the fixed pulley 7 is disposed on the pulley bracket.
On the basis of the above embodiment, in another embodiment of the present invention, in the step (2), each stage of the telescopic bridge moves to a predetermined position, and then is connected to the tower 1 by using a zipper; or one end of the zipper is connected with each stage of telescopic bridge frame, the other end of the zipper winds around the steel cable fixing seat 22 on the tower frame 1 and reserves the surplus length, and the zipper is fastened and then cut off the steel cable fixing seat 22 fixed on the tower frame 1 after each stage of telescopic bridge frame moves to the preset position.
Specifically, as shown in fig. 1, the tower 1 is formed by assembling H-shaped steel, a connecting plate 12 and high-strength bolts 21, and a tower column base 2 is fastened on a foundation through anchor bolts 3. As shown in fig. 4, a winch is installed on the ground foundation on the side of the tower 1 far away from the valley 13, two pulley supports and two pulleys are installed on the tower 1, and a steel wire rope on the winch drags the telescopic bridge 9 through the pulleys.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A method for installing a circular tube conveyor between mountaintops is characterized by comprising the following steps:
(1) respectively building and fixing a tower frame on the mountain tops on two sides;
(2) installation of the telescopic bridge: the telescopic bridge comprises a basic bridge and a plurality of stages of telescopic bridges, wherein one end of each stage of telescopic bridge, which is far away from the tower, is provided with a connecting seat, the first stage of telescopic bridge is arranged on the basic bridge and can slide along a guide rail on the basic bridge, and the later stage of telescopic bridge is arranged on the former stage of telescopic bridge and can slide along the guide rail on the former stage of telescopic bridge; one end of the basic bridge frame is hinged with the tower frame, the other end of the basic bridge frame is connected with the tower frame through a steel cable, a pull rope on a winch is connected with a connecting seat on a first-stage telescopic bridge frame after passing through a fixed pulley on the tower frame, the winch drives the pull rope to drag the first-stage telescopic bridge frame to move towards the other mountain top direction along a guide rail on the basic bridge frame until the first-stage telescopic bridge frame moves to a preset position, and then the first-stage telescopic bridge frame is connected with the tower frame through a pull rope to pull the first-stage telescopic bridge frame; then connecting a pull rope on the winch after passing through a fixed pulley on the tower frame with a connecting seat on a second-stage telescopic bridge frame, driving the pull rope to drag the second-stage telescopic bridge frame to move along a guide rail on the first-stage telescopic bridge frame to the other mountain top direction until the second-stage telescopic bridge frame moves to a preset position, and then connecting the second-stage telescopic bridge frame with the tower frame by using a pull rope to pull the second-stage telescopic bridge frame; sequentially completing the installation and fixation of all levels of telescopic bridges according to the steps;
(3) the two telescopic bridges are combined and fixedly connected between the tops of the mountains;
(4) and installing a truss and a circular tube conveyor on the bridge frame which is butted.
2. The method of installing a pipe conveyor between the mountaintops as claimed in claim 1, wherein the telescopic bridges in step (2) are replaced with folding bridges comprising a plurality of stages of folding bridges, the two stages of folding bridges are connected to each other by hinges, one end of the first stage of folding bridge is provided with a hinge base, the hinge base of the first stage of folding bridge is hinged to the tower and the other end is connected to the tower by a wire rope, after the position of the folding bridge is adjusted, the second stage of folding bridge is connected to the tower by a connecting rod, then a pull rope of a winch is released to fix the pull rope on the third stage of folding bridge, then the third stage of folding bridge is rotated and unfolded by centering on the hinge base by an auxiliary hydraulic cylinder, when the third stage of folding bridge is erected, the pull rope drags a fixed pulley on the tower and then the third stage of folding bridge is slowly placed at a horizontal water level by the winch, after the installation position of the third-stage folding bridge frame is adjusted, fixing the third-stage folding bridge frame with the tower frame by using a connecting rod, and sequentially completing the installation and fixation of each stage of folding bridge frame according to the steps; and (4) combining and fixedly connecting the two folding type bridges between the tops of the mountains in the step (3).
3. The method for installing a circular pipe conveyor between mountaintops as claimed in claim 2, wherein the guide rails of the base bridge and the multi-stage telescopic bridges are at least provided with slope-shaped ends, the ends of the guide rails are provided with stop blocks, each stage of telescopic bridges is provided with a sliding wheel, the sliding wheel of each stage of telescopic bridges in the step (2) rolls along the guide rails, and the sliding wheel stops moving after rolling to the stop blocks.
4. The method for installing the circular tube conveyor between the mountaintops as claimed in claim 3, wherein the stop block is provided with a limiting groove, and in the step (2), the sliding wheel rolls to the stop block and then is clamped into the limiting groove for clamping limiting.
5. The method for installing a circular pipe conveyor between mountaintops as claimed in any one of claims 3 or 4, wherein in the step (3), after each stage of telescopic bridges moves to the preset position, both ends of each stage of telescopic bridges are connected with the towers by cables.
6. The method of installing a pipe conveyor between mountaintops of claim 5, wherein the base bridge comprises a bridge body, a guide rail and a hinge base, the hinge base is fixed at one end of the bridge body, the guide rail is fixed on the bridge body and extends to the end far away from the hinge base, and the base bridge hinge base and the tower hinge base are connected through a pin in the step (2).
7. The method of installing a pipe conveyor between mountaintops of claim 6, wherein each stage of the telescopic bridges is composed of a bridge body, a rail along which a first stage of the telescopic bridges is movable, and a sliding wheel along which a next stage of the telescopic bridges is movable.
8. The method for installing a circular pipe conveyor between mountaintops as claimed in claim 5, wherein in the step (3), the bridge ends of the last stage of the two telescopic bridges are connected through a connecting plate by using high-strength bolts.
9. The method for installing a circular pipe conveyor between mountaintops as claimed in claim 8, wherein in the step (1), the tower is firstly fixed by an earth anchor bolt, and then the steel tower is fixed on an earth anchor box by a stay cable, and the earth anchor box is arranged on one side of the tower far away from the valley.
10. The method of installing a pipe conveyor between mountaintops of claim 9, wherein the hoist is provided on a side of a tower away from the valley, a sheave bracket is provided on a top of the tower, and the fixed sheave is provided on the sheave bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164802.5A CN111648225A (en) | 2019-11-25 | 2019-11-25 | Method for mounting circular tube conveyor between mountain tops |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164802.5A CN111648225A (en) | 2019-11-25 | 2019-11-25 | Method for mounting circular tube conveyor between mountain tops |
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| CN111648225A true CN111648225A (en) | 2020-09-11 |
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| CN201911164802.5A Pending CN111648225A (en) | 2019-11-25 | 2019-11-25 | Method for mounting circular tube conveyor between mountain tops |
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| JPH03253602A (en) * | 1990-03-01 | 1991-11-12 | Kawasaki Steel Corp | Erection of suspended type bridge for pipe |
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| CN204184963U (en) * | 2014-10-15 | 2015-03-04 | 湖南德邦重工机械有限公司 | A kind of multi link hydraulic foldable conveying arm transporting the protection of sand self-unloading oceangoing ship band door frame |
| CN204265034U (en) * | 2014-10-21 | 2015-04-15 | 益阳建阳机械制造有限公司 | Boats and ships modified form hydraulic foldable conveying arm structure |
| KR20160048472A (en) * | 2014-10-24 | 2016-05-04 | 이도희 | tactical bridge |
| CN108104062A (en) * | 2017-12-05 | 2018-06-01 | 重庆交通大学 | Suspension bridge intercepts anti-collision system |
| US20190016536A1 (en) * | 2017-07-13 | 2019-01-17 | 1875452 Alberta Ltd. | Proppant conveyor systems and methods of use |
| CN109928139A (en) * | 2019-04-24 | 2019-06-25 | 焦作科瑞森重装股份有限公司 | Large span suspension bridge circular pipe belt type conveyer |
| CN110485255A (en) * | 2019-08-12 | 2019-11-22 | 三峡大学 | A kind of collapsible emergency bridge and application method |
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2019
- 2019-11-25 CN CN201911164802.5A patent/CN111648225A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03253602A (en) * | 1990-03-01 | 1991-11-12 | Kawasaki Steel Corp | Erection of suspended type bridge for pipe |
| CN101949127A (en) * | 2010-09-29 | 2011-01-19 | 王贵宣 | Movable type rescue auxiliary bridge vehicle |
| CN101974882A (en) * | 2010-11-01 | 2011-02-16 | 吉林恒安电子机械有限公司 | Movable cable stayed bridge with retractile bridge floor and #-shaped vertical multilevel lift bridge |
| CN204184963U (en) * | 2014-10-15 | 2015-03-04 | 湖南德邦重工机械有限公司 | A kind of multi link hydraulic foldable conveying arm transporting the protection of sand self-unloading oceangoing ship band door frame |
| CN204265034U (en) * | 2014-10-21 | 2015-04-15 | 益阳建阳机械制造有限公司 | Boats and ships modified form hydraulic foldable conveying arm structure |
| KR20160048472A (en) * | 2014-10-24 | 2016-05-04 | 이도희 | tactical bridge |
| US20190016536A1 (en) * | 2017-07-13 | 2019-01-17 | 1875452 Alberta Ltd. | Proppant conveyor systems and methods of use |
| CN108104062A (en) * | 2017-12-05 | 2018-06-01 | 重庆交通大学 | Suspension bridge intercepts anti-collision system |
| CN109928139A (en) * | 2019-04-24 | 2019-06-25 | 焦作科瑞森重装股份有限公司 | Large span suspension bridge circular pipe belt type conveyer |
| CN110485255A (en) * | 2019-08-12 | 2019-11-22 | 三峡大学 | A kind of collapsible emergency bridge and application method |
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Application publication date: 20200911 |
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