CN112726408B - Front swing frame mechanism of mechanized bridge is established to flat push frame - Google Patents
Front swing frame mechanism of mechanized bridge is established to flat push frame Download PDFInfo
- Publication number
- CN112726408B CN112726408B CN202011585553.XA CN202011585553A CN112726408B CN 112726408 B CN112726408 B CN 112726408B CN 202011585553 A CN202011585553 A CN 202011585553A CN 112726408 B CN112726408 B CN 112726408B
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- swing frame
- assembly
- oil cylinder
- upper swing
- hinged
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E01D15/12—Portable or sectional bridges
- E01D15/124—Folding or telescopic bridges; Bridges built up from folding or telescopic sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a front swing frame mechanism of a flat push frame mechanical bridge, which comprises a base assembly, an upper swing frame assembly, a swing arm oil cylinder, a swing frame pin assembly and a bolt assembly, wherein the base assembly is connected with the upper swing frame assembly through a pin shaft assembly; the bottom of the base component is fixedly arranged on the chassis truck and is provided with two swing frame hinging seats which are arranged at intervals along the horizontal direction; the bottom end of the upper swing frame assembly is hinged to two swing frame hinging seats through a swing frame pin shaft assembly, two pin assemblies which are oppositely arranged are fixedly arranged at the top end of the upper swing frame assembly, and an oil cylinder support is arranged in the middle of the upper swing frame assembly; the bottom end of the swing arm oil cylinder is hinged to the chassis truck, and the top end of the swing arm oil cylinder is hinged to the oil cylinder support through a hinge shaft and is used for controlling the upper swing frame assembly to swing relative to the base assembly between an upright state and a horizontal state; the two bolt assemblies are provided with bolts which can extend and retract along the horizontal direction, and the bolts are used for being in plug-in fit with the pin holes of the bridge joints. The front swing frame mechanism has the characteristics of high space utilization rate, high reliability and high safety, and has the function of controlling the lifting of the upper bridge.
Description
Technical Field
The invention relates to the technical field of mechanized bridges, in particular to a front swing frame mechanism for horizontally pushing and erecting a mechanized bridge.
Background
When the mechanized bridge is erected by the flat pushing frame, the upper bridge section and the lower bridge section are in a stacked state at the beginning, in order to realize the connection of the upper bridge section and the lower bridge section, the two bridge sections in the stacked state are required to be converted into an unfolding state, namely, the lower bridge section is required to be pushed out from the bottom of the upper bridge section, and the lower bridge section and the upper bridge section are arranged side by side, so that the subsequent bridge erection process is completed. Therefore, there is an urgent need to provide a device capable of lifting and lowering the upper bridge section in the process of erecting the mechanized bridge by the flat pushing frame.
Disclosure of Invention
In view of the above, the invention provides a front swing frame mechanism for a horizontal pushing and erecting a mechanized bridge, which has the functions of controlling the lifting of an upper bridge section, and has high space utilization rate, high reliability and high safety.
The invention adopts the following specific technical scheme:
A front swing frame mechanism of a flat push frame mechanical bridge comprises a base assembly, an upper swing frame assembly, a swing arm oil cylinder, a swing frame pin assembly and a bolt assembly;
The base component and the upper swing frame component are of a frame structure;
The bottom of the base component is fixedly arranged on the chassis, and two swing frame hinging seats are arranged at intervals along the horizontal direction;
the bottom end of the upper swing frame assembly is hinged to two swing frame hinging seats through a swing frame pin shaft assembly, two pin assemblies which are oppositely arranged are fixedly arranged at the top end of the upper swing frame assembly, and an oil cylinder support is arranged in the middle of the upper swing frame assembly;
The bottom end of the swing arm oil cylinder is hinged to the chassis truck, and the top end of the swing arm oil cylinder is hinged to the oil cylinder support through a hinge shaft and is used for controlling the upper swing frame assembly to swing relative to the base assembly between an upright state and a horizontal state;
The two bolt assemblies are provided with bolts which can extend and retract along the horizontal direction, and the bolts are used for being in plug-in fit with the pin holes of the bridge joints.
Further, the bolt assembly comprises an oil cylinder fixedly arranged on the upper swing frame assembly and a bolt fixedly connected with a piston rod of the oil cylinder;
the oil cylinder is used for driving the bolt to stretch out and draw back.
Further, the swing frame pin shaft assembly comprises a swing frame pin shaft extending along the horizontal direction and a self-lubricating bearing sleeved on the outer peripheral surface of the swing frame pin shaft;
The upper swing frame assembly further comprises an upper swing frame structure, two cylinder sleeve seats arranged at the top end of the upper swing frame structure and two hinged supports arranged at the bottom end of the upper swing frame structure;
The oil cylinder sleeve seat and the hinged support are provided with axial through holes;
the bolt can be slidably arranged in an axial through hole of the cylinder sleeve seat along the axial direction of the cylinder sleeve seat;
the swing frame pin shaft and the self-lubricating bearing can be rotatably arranged in the axial through hole of the hinged support.
Further, the upper swing frame structure comprises two vertical beams extending along the vertical direction and arranged in parallel, and a top cross beam and a bottom cross beam fixedly connected between the two vertical beams and arranged in parallel;
The oil cylinder support is fixedly connected to the surface of one side of the bottom cross beam, which faces the swing arm oil cylinder;
The cylinder sleeve seat is embedded at the top ends of the two vertical beams;
The hinged support is embedded in the bottom ends of the two vertical beams.
Further, the upper swing frame structure further comprises a plurality of reinforcing ribs and two safety stops;
the plurality of reinforcing ribs are arranged at the joints of the vertical beams, the top cross beams and the bottom cross beams and used for enhancing the structural strength of the vertical beams, the top cross beams and the bottom cross beams;
and the safety stop blocks are fixedly connected to the surface of one side of each vertical beam, which faces away from the top cross beam.
Further, the base assembly further comprises a frame-shaped base, a limit stop and a fixed seat;
the swing frame hinging seat and the limit stop block are fixedly connected to the frame-shaped base;
The fixed seat is fixedly connected to the bottom end of the frame-shaped base.
Still further, the rocker hinge seat is formed by a binaural seat.
Further, the double-lug seat is provided with two lug plates which are arranged in parallel;
The self-lubricating bearing is positioned between the two lug plates;
The swing frame pin shaft assembly further comprises a reinforcing end plate sleeved on the outer peripheral surface of the swing frame pin shaft and fixedly connected with each lug plate.
Further, each bolt assembly further comprises a reinforcing ring plate fixedly connected with the outer peripheral surface of the oil cylinder support and the vertical beam.
Further, the oil cylinder is fixedly arranged on the surface of one side, away from the top cross beam, of the vertical beam through bolts.
The beneficial effects are that:
The front swing frame mechanism of the flat push frame mechanical bridge is supported on a chassis through a base component and a swing arm oil cylinder, an upper swing frame component is hinged to the base component and the swing arm oil cylinder, and two bolt components are arranged at the top end of the upper swing frame component; when bridging, the upper swing frame assembly is connected with the upper bridge joint through the plug-in fit of the telescopic plug pin and the pin hole of the bridge joint, and the swing arm oil cylinder drives the upper swing frame assembly to swing, so that the lifting and the descending of the upper bridge joint can be realized, the lower bridge joint can be pushed out from the bottom of the upper bridge joint, and the smooth erection of the mechanized bridge for the flat pushing and erecting is ensured; the upper swing frame assembly is hinged to the base assembly and the swing arm oil cylinder, so that the front swing frame mechanism occupies small space and has high space utilization rate; the swing arm oil cylinder drives the upper swing frame assembly to swing, and meanwhile, the upper swing frame assembly is hinged to the base assembly, so that the upper swing frame assembly works reliably and safely; therefore, the front swing frame mechanism has the function of controlling the upper bridge to lift, and has high space utilization rate, high reliability and high safety.
Drawings
FIG. 1 is a front view of a front swing frame mechanism of the present invention;
FIG. 2 is a left side view of the front swing frame mechanism of FIG. 1;
FIG. 3 is a schematic view of an upper swing frame assembly of the front swing frame mechanism of FIG. 1;
FIG. 4 is a schematic view of a base assembly of the front swing frame mechanism of FIG. 1;
FIG. 5 is a schematic view of the latch assembly of the front swing frame mechanism of FIG. 1;
fig. 6 is a schematic view of a swing frame pin assembly connection structure of the front swing frame mechanism of fig. 1.
Wherein, 1-base assembly, 2-upper swing frame assembly, 3-swing arm cylinder, 4-swing frame pin assembly, 5-bolt assembly, 6-hinge shaft, 11-swing frame hinge seat, 12-frame base, 13-limit stop, 14-fixed seat, 15-ear plate, 21-cylinder support, 22-cylinder sleeve seat, 23-hinge support, 24-axial through hole, 25-vertical beam, 26-top beam, 27-bottom beam, 28-reinforcing rib, 29-safety stop, 41-swing frame pin, 42-self-lubricating bearing, 43-reinforcing end plate, 51-bolt, 52-cylinder, 53-reinforcing ring plate
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The invention provides a front swing frame mechanism of a horizontal pushing frame mechanical bridge, which is shown in the structure of fig. 1 and 2, and comprises a base component 1, an upper swing frame component 2, a swing arm oil cylinder 3, a swing frame pin shaft component 4 and a bolt component 5; as shown in the structures of fig. 3 and 4, the base assembly 1 and the upper swing frame assembly 2 are both in a frame structure;
as shown in fig. 2 and 3, the bottom of the base assembly 1 is fixedly mounted on a chassis (not shown in the drawings), and is provided with two swing frame hinge seats 11 which are arranged at intervals along the horizontal direction;
as shown in the structures of fig. 1 and 3, the bottom end of an upper swing frame assembly 2 is hinged to two swing frame hinging seats 11 through a swing frame pin assembly 4, two pin assemblies 5 which are oppositely arranged are fixedly arranged at the top end, and an oil cylinder support 21 is arranged in the middle;
as shown in the structure of fig. 2, the bottom end of the swing arm cylinder 3 is hinged to the chassis, and the top end of the swing arm cylinder is hinged to the cylinder support 21 through a hinge shaft 6, so as to control the swing arm assembly 2 to swing relative to the base assembly 1 between an upright state and a horizontal state; the swing arm cylinder 3 drives the upper swing frame assembly 2 to do circular motion around the hinge joint of the upper swing frame assembly and the base assembly 1 in the extending and retracting process;
as shown in the structure of fig. 5, both the latch assemblies 5 are provided with a latch 51 capable of extending and contracting in the horizontal direction, and the latch 51 is used for being in plug-in fit with a pin hole of a bridge (not shown in the figure). In the configuration of fig. 5, the latch 51 is in a retracted state and retracted within the upper swing frame assembly 2. The latch assembly 5 may include an oil cylinder 52 fixedly installed to the upper swing frame assembly 2 and a latch 51 fixedly connected to a piston rod of the oil cylinder 52; the oil cylinder 52 is used for driving the bolt 51 to stretch and retract. The bolt assembly 5 can control the extension and retraction of the bolt 51 through the oil cylinder 52, and is matched with the pin hole of the bridge joint to realize the bolt 51 and the pushing action of the bridge joint.
The concrete working principle of the front swing frame mechanism is as follows: when the two bridge joints are in a stacked state, the upper swing frame assembly 2 is in a position II in fig. 2, the pin holes of the upper bridge joints are aligned with the pin assemblies 5, and the oil cylinders 52 in the pin assemblies 5 drive the pins 51 to extend out to complete the action of the pins 51; along with the extension of the swing frame oil cylinder 52, the upper swing frame assembly 2 moves anticlockwise and circularly by taking the swing frame pin shaft assembly 4 as the circle center, and stops when the position I is reached, and the upper bridge joint lifts along with the upper swing of the upper swing frame assembly 2; the other end of the upper bridge joint can be provided with a roller wheel and the like, so that the upper bridge joint slides on the lower bridge joint when the lower bridge joint is pushed out; when the lower bridge is pushed out, the swing frame oil cylinder 52 is retracted, the upper swing frame assembly 2 moves clockwise circularly by taking the swing frame pin shaft assembly 4 as a circle center, and stops when the swing frame pin shaft assembly reaches the position III, and after the connection of the two bridge sections is completed, the oil cylinder 52 in the pin assembly 5 drives the pin 51 to retract to complete the pin withdrawing action.
The front swing frame mechanism is supported on a chassis through a base component 1 and a swing arm oil cylinder 3, an upper swing frame component 2 is hinged on the base component 1 and the swing arm oil cylinder 3, and two bolt components 5 are arranged at the top end of the upper swing frame component 2; when bridging, the upper swing frame assembly 2 is in plug-in fit with the pin holes of the bridge sections through the telescopic bolts 51, and the upper swing frame assembly 2 is driven to swing through the swing arm oil cylinder 3, so that the upper bridge sections can be lifted and lowered, the lower bridge sections can be pushed out from the bottoms of the upper bridge sections, and the smooth erection of the mechanized bridge for the flat pushing and erecting is ensured; the upper swing frame assembly 2 is hinged to the base assembly 1 and the swing arm oil cylinder 3, so that the front swing frame mechanism occupies small space and has high space utilization rate; the swing arm oil cylinder 3 drives the upper swing frame assembly 2 to swing, and meanwhile, the upper swing frame assembly 2 is hinged to the base assembly 1, so that the upper swing frame assembly 2 works reliably and safely; therefore, the front swing frame mechanism has the function of controlling the upper bridge to lift, and has high space utilization rate, high reliability and high safety.
As shown in the structure of fig. 6, the swing frame pin assembly 4 includes a swing frame pin 41 extending in the horizontal direction and a self-lubricating bearing 42 sleeved on the outer peripheral surface of the swing frame pin 41; as shown in the structure of fig. 3, the upper swing frame assembly 2 further comprises an upper swing frame structure, two cylinder sleeve seats 22 arranged at the top end of the upper swing frame structure, and two hinged supports 23 arranged at the bottom end of the upper swing frame structure; the cylinder sleeve seat 22 and the hinged support 23 are provided with axial through holes 24; the bolt 51 is slidably mounted in the axial through hole 24 of the cylinder liner seat 22 along the axial direction of the cylinder liner seat 22; the rocker pin 41 and the self-lubricating bearing 42 are rotatably mounted in the axial through-hole 24 of the articulated support 23. The cylinder sleeve seat 22 can be further provided with a stepped surface, axial limiting and radial limiting between the cylinder sleeve seat 22 and the cross beam of the upper swing frame structure are realized through the stepped surface, and the connection strength between the cylinder sleeve seat 22 and the upper swing frame structure is improved.
As shown in the structure of fig. 3, the upper swing frame structure includes two vertical beams 25 extending in the vertical direction and arranged in parallel, and a top beam 26 and a bottom beam 27 fixedly connected between the two vertical beams 25 and arranged in parallel; the oil cylinder support 21 is fixedly connected to the surface of one side of the bottom cross beam 27, which faces the swing arm oil cylinder 3; the cylinder sleeve seat 22 is embedded at the top ends of the two vertical beams 25; the hinge supports 23 are embedded in the bottom ends of the two vertical beams 25.
As shown in the structure of fig. 3, the upper swing frame structure further includes a plurality of reinforcing ribs 28 and two safety stops 29; a plurality of reinforcing ribs 28 are provided at the joints of the vertical beams 25 with the top and bottom beams 26 and 27 for reinforcing the structural strength of the vertical beams 25 with the top and bottom beams 26 and 27; a safety block 29 is fixedly connected to the surface of the side of each vertical beam 25 facing away from the top cross beam 26.
Because the vertical beam 25 deviates from the side surface of the top cross beam 26 and is fixedly connected with the safety stop block 29, the safety stop block 29 of the upper swing frame structure can play a role in protecting a cab when the bridge joint freely falls due to unexpected pin removal of the pin assembly 5 in the process of moving the upper swing frame assembly 2 from the position I to the position II.
As shown in fig. 4, the base assembly 1 further includes a frame-shaped base 12, a limit stop 13, and a fixing base 14; the swing frame hinging seat 11 and the limit stop 13 are fixedly connected to the frame-shaped base 12, and the limit stop 13 is used for limiting the upper swing frame; the fixed seat 14 is fixedly connected to the bottom end of the frame-shaped base 12, and the fixed seat 14 is used for fixedly mounting the base assembly 1 on a chassis.
As shown in the structure of fig. 4, the swing hinge seat 11 may be formed of a binaural seat; the double ear seat is provided with two ear plates 15 which are arranged in parallel; the self-lubricating bearing 42 is located between the two lugs 15; as shown in the structure of fig. 6, the swing frame pin assembly 4 further includes a reinforcing end plate 43 sleeved on the outer peripheral surface of the swing frame pin 41 and fixedly connected to each ear plate 15. The reinforcing end plate 43 is located between the end face of the self-lubricating bearing 42 and the ear plate 15, and the structural strength of the swing frame hinge seat 11 of the base assembly 1 can be improved through the reinforcing end plate 43, so that the safety of the front swing frame mechanism in the bridge erection process is improved.
As shown in fig. 5, each latch assembly 5 further includes a reinforcing ring plate 53 fixedly connecting the outer circumferential surface of the cylinder support 21 with the vertical beam 25, and the cylinder 52 is fixedly mounted to a side surface of the vertical beam 25 facing away from the top cross member 26 by bolts or screws.
Because the oil cylinder 52 is fixedly arranged on the vertical beam 25, the bolt 51 can be driven to stretch and retract along the horizontal direction through the oil cylinder 52, so that the hinge between the front swing frame mechanism and the bridge joint is realized, and the bridge joint can be connected with the bridge joint while the bridge joint has a rotational degree of freedom.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The front swing frame mechanism of the horizontal pushing frame mechanized bridge is characterized by comprising a base assembly, an upper swing frame assembly, a swing arm oil cylinder, a swing frame pin shaft assembly and a pin assembly;
The base component and the upper swing frame component are of a frame structure;
The bottom of the base component is fixedly arranged on the chassis, and two swing frame hinging seats are arranged at intervals along the horizontal direction;
the bottom end of the upper swing frame assembly is hinged to two swing frame hinging seats through a swing frame pin shaft assembly, two pin assemblies which are oppositely arranged are fixedly arranged at the top end of the upper swing frame assembly, and an oil cylinder support is arranged in the middle of the upper swing frame assembly;
The bottom end of the swing arm oil cylinder is hinged to the chassis truck, and the top end of the swing arm oil cylinder is hinged to the oil cylinder support through a hinge shaft and is used for controlling the upper swing frame assembly to swing relative to the base assembly between an upright state and a horizontal state;
The two bolt assemblies are respectively provided with a bolt which can extend and retract along the horizontal direction, and the bolts are used for being in plug-in fit with bolt holes of the bridge joints;
The bolt assembly comprises an oil cylinder fixedly arranged on the upper swing frame assembly and a bolt fixedly connected with a piston rod of the oil cylinder;
the oil cylinder is used for driving the bolt to stretch out and draw back;
the swing frame pin shaft assembly comprises a swing frame pin shaft extending along the horizontal direction and a self-lubricating bearing sleeved on the outer peripheral surface of the swing frame pin shaft;
The upper swing frame assembly further comprises an upper swing frame structure, two cylinder sleeve seats arranged at the top end of the upper swing frame structure and two hinged supports arranged at the bottom end of the upper swing frame structure;
The oil cylinder sleeve seat and the hinged support are provided with axial through holes;
the bolt can be slidably arranged in an axial through hole of the cylinder sleeve seat along the axial direction of the cylinder sleeve seat;
The swing frame pin shaft and the self-lubricating bearing can be rotatably arranged in the axial through hole of the hinged support;
The upper swing frame structure comprises two vertical beams which extend along the vertical direction and are arranged in parallel, and a top cross beam and a bottom cross beam which are fixedly connected between the two vertical beams and are arranged in parallel;
The oil cylinder support is fixedly connected to the surface of one side of the bottom cross beam, which faces the swing arm oil cylinder;
The cylinder sleeve seat is embedded at the top ends of the two vertical beams;
The hinged support is embedded at the bottom ends of the two vertical beams;
The upper swing frame structure further comprises a plurality of reinforcing ribs and two safety stops;
the plurality of reinforcing ribs are arranged at the joints of the vertical beams, the top cross beams and the bottom cross beams and used for enhancing the structural strength of the vertical beams, the top cross beams and the bottom cross beams;
and the safety stop blocks are fixedly connected to the surface of one side of each vertical beam, which faces away from the top cross beam.
2. The front swing frame mechanism according to claim 1, wherein said base assembly further comprises a frame-shaped base, a limit stop, and a fixed mount;
the swing frame hinging seat and the limit stop block are fixedly connected to the frame-shaped base;
The fixed seat is fixedly connected to the bottom end of the frame-shaped base.
3. The front swing frame mechanism according to claim 2, wherein said swing frame hinge mount is formed of a binaural mount.
4. A front swing frame mechanism according to claim 3, wherein said binaural base is provided with two ear plates arranged in parallel;
The self-lubricating bearing is positioned between the two lug plates;
The swing frame pin shaft assembly further comprises a reinforcing end plate sleeved on the outer peripheral surface of the swing frame pin shaft and fixedly connected with each lug plate.
5. The front swing frame mechanism according to claim 4, wherein each of said latch assemblies further comprises a reinforcing ring plate fixedly connecting an outer peripheral surface of said cylinder mount with said vertical beam.
6. The front swing frame mechanism according to any one of claims 1 to 5, wherein said cylinder is fixedly mounted to a side surface of said vertical beam facing away from said top cross beam by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011585553.XA CN112726408B (en) | 2020-12-28 | 2020-12-28 | Front swing frame mechanism of mechanized bridge is established to flat push frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011585553.XA CN112726408B (en) | 2020-12-28 | 2020-12-28 | Front swing frame mechanism of mechanized bridge is established to flat push frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112726408A CN112726408A (en) | 2021-04-30 |
| CN112726408B true CN112726408B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011585553.XA Active CN112726408B (en) | 2020-12-28 | 2020-12-28 | Front swing frame mechanism of mechanized bridge is established to flat push frame |
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| CN (1) | CN112726408B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116377833A (en) * | 2022-12-29 | 2023-07-04 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Rear swing frame for impact bridge erection |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214831941U (en) * | 2020-12-28 | 2021-11-23 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Front swing frame mechanism for horizontally pushing and erecting mechanical bridge |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3217435A1 (en) * | 1982-05-08 | 1983-11-17 | IBEK Ingenieurbüro Echtler Kaiserslautern GmbH, 6750 Kaiserslautern | MOTOR VEHICLE FOR TRANSPORTING AND LAYING A FIXED BRIDGE |
| JP3009324B2 (en) * | 1994-03-16 | 2000-02-14 | 防衛庁技術研究本部長 | Emergency bridge and its erection method |
| CN107489092A (en) * | 2017-07-26 | 2017-12-19 | 湖北华舟重工应急装备股份有限公司 | A kind of long-span highway mechanized bridge erecting device |
| CN107542033A (en) * | 2017-07-26 | 2018-01-05 | 湖北华舟重工应急装备股份有限公司 | A kind of whole Transporting track type multifunctional mechanization fast obstacle bridge |
| CN109505253A (en) * | 2018-12-20 | 2019-03-22 | 中国船舶重工集团应急预警与救援装备股份有限公司 | A kind of erecting device of super-span mechanized bridge |
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- 2020-12-28 CN CN202011585553.XA patent/CN112726408B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214831941U (en) * | 2020-12-28 | 2021-11-23 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Front swing frame mechanism for horizontally pushing and erecting mechanical bridge |
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| CN112726408A (en) | 2021-04-30 |
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