CN114457680B - Counterweight system for trailer mechanized bridge and use method thereof - Google Patents
Counterweight system for trailer mechanized bridge and use method thereof Download PDFInfo
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- CN114457680B CN114457680B CN202111557073.7A CN202111557073A CN114457680B CN 114457680 B CN114457680 B CN 114457680B CN 202111557073 A CN202111557073 A CN 202111557073A CN 114457680 B CN114457680 B CN 114457680B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000003137 locomotive effect Effects 0.000 claims description 20
- 230000000670 limiting effect Effects 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 230000008275 binding mechanism Effects 0.000 description 8
- 230000007774 longterm Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D37/00—Stabilising vehicle bodies without controlling suspension arrangements
- B62D37/04—Stabilising vehicle bodies without controlling suspension arrangements by means of movable masses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/06—Trailers
- B62D63/08—Component parts or accessories
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a counterweight system for a trailer mechanized bridge and a use method thereof, wherein the counterweight system comprises: two connecting structures and a counterweight mechanism; two hanging rings are arranged on a cross beam at the front end of a trailer chassis of the trailer mechanized bridge; the counterweight mechanism is connected with two hanging rings arranged on a cross beam at the front end of the trailer chassis through two connecting structures. Under the working condition of carrying out rescue operation on the rescue and relief work site, the connecting structures comprise a tightening tool and a fixed hook, and the counterweight mechanism is a traction headstock; under the working condition of daily erection and withdrawal training of the mechanized bridge of the trailer, the connecting structure is a fastening tool, and the counterweight mechanism is a counterweight. The invention ensures the provision of the balance moment required by the mechanized bridge erection and retraction process of the trailer, and avoids carrying a large amount of counterweights in the rescue and relief transportation process.
Description
Technical Field
The invention belongs to the technical field of emergency bridge erection, and particularly relates to a counterweight system for a trailer mechanized bridge and a use method thereof.
Background
The existing trailer mechanized bridge has the defects that the chassis is a trailer chassis, and the transferring process is required to be completed by a traction head. External force is required to provide balance moment in the process of erecting and withdrawing the mechanized bridge of the trailer, the balance weight is directly arranged on the chassis of the trailer, the system is complex and is unfavorable for transferring the mechanized bridge, and a balance weight mode is required to be designed for the purpose, so that the long-term configuration of the balance weight on the chassis of the trailer is avoided, and the balance moment required in the process of erecting and withdrawing can be provided.
Disclosure of Invention
In view of the above, the invention provides a counterweight system and a connecting method for a trailer mechanized bridge, which not only ensure the provision of the balance moment required by the trailer mechanized bridge during the erection and withdrawal process, but also avoid carrying a large amount of counterweights during the rescue, relief and transportation process.
The invention is realized by the following technical scheme:
A counterweight system for a mechanized axle of a trailer, comprising: two connecting structures and a counterweight mechanism;
The front end cross beam of the trailer chassis of the trailer mechanized bridge is provided with two hanging rings;
The counterweight mechanism is connected with two hanging rings arranged on a cross beam at the front end of the trailer chassis through two connecting structures.
Further, under the working condition that the rescue operation is carried out on the rescue and relief work site, each connecting structure comprises a fastening tool and a fixing hook, and the counterweight mechanism is a traction head;
one end of the tightening tool is connected with a hanging ring arranged on the cross beam at the front end of the trailer chassis, and the other end of the tightening tool is connected with the fixed hook; the fixed hook is connected with a main beam of the traction head.
Furthermore, under the working condition of daily erection, withdrawal and training of the mechanized bridge of the trailer, the connecting structure is a fastening tool, the counterweight mechanism is a counterweight,
The balancing weight is connected with two hanging rings arranged on the cross beam at the front end of the trailer chassis through two fastening tools.
Further, the fixed hook comprises two hook plates, a transverse rib plate, a vertical rib plate and a limiting spring pin;
Each hook plate is a U-shaped plate, two vertical plates of the U-shaped plate are a first vertical plate and a second vertical plate, and a through hole A is formed in the first vertical plate of each hook plate;
the two hook plates are oppositely arranged in parallel, two through holes A of the two hook plates are coaxially opposite, the transverse rib plates are fixedly connected between the transverse plates of the two U-shaped plates, the vertical rib plates are fixedly connected between the two second vertical plates, and a through hole B is formed in the vertical rib plates;
the limiting spring pin penetrates through the through hole B of the vertical rib plate, and the fastening tool is connected with the hook plate at the through hole A.
Furthermore, the main beams of the traction head are two channel steels which are arranged in parallel, and the openings of the channel steels are opposite; the lower wing plate of each channel steel of the main beam of the traction locomotive is positioned between the transverse plate of the hook plate and the limiting spring pin, and the opening direction of the channel steel is the direction in which the vertical rib plate is positioned.
Further, the limit spring pin includes: the device comprises a limit spring pin shaft, a spring, a limit nut and a manual pull ring;
The limiting spring pin shaft penetrates through the through hole B on the vertical rib plate, the spring is arranged outside the limiting spring pin shaft, and two ends of the spring respectively abut against the head of the limiting spring pin shaft and the vertical rib plate; the tail of the limit spring pin shaft is provided with an external thread, the limit nut is in threaded connection with the limit spring pin shaft at the outer side of the vertical rib plate, and the manual pull ring penetrates through an inserting hole arranged at the tail of the limit spring pin shaft.
Further, the rings are arranged at the two ends of the fastening tool, the rings at one end of the fastening tool are connected with the hanging rings arranged on the corresponding cross beam at the front end of the trailer chassis through shackles, and the rings at the other end of the fastening tool are positioned between the two through holes A of the hook plate and are connected with the hook plate through pin shafts and bolts.
Further, one end of each fastening tool is connected with a hanging ring arranged on a cross beam at the front end of the trailer chassis through a shackle, and the other end of each fastening tool is connected with the balancing weight through the shackle.
Furthermore, the use method of the counterweight system for the mechanized bridge of the trailer is characterized in that under the working conditions of daily erection and withdrawal training of the mechanized bridge of the trailer, the counterweight is connected with the front end cross beam of the chassis of the trailer, and the counterweight provides the required balancing moment for erection and withdrawal of the mechanized bridge;
Under the working condition that the trailer mechanized bridge is transported to the rescue and relief site by the traction head for rescue operation, the connecting structure is connected with the trailer chassis and the traction head; specifically, be connected the girder of fixation hook and traction locomotive, tightly fix the utensil both ends and be connected the back with fixation hook and trailer chassis front end crossbeam respectively, through adjusting tightly fix the utensil, make connection structure tensioning, accomplish the connection of traction locomotive and trailer chassis, provide mechanized bridge by traction locomotive's dead weight and erect, remove the required balancing moment.
The beneficial effects are that:
(1) When the mechanized bridge of the trailer is transported to the rescue and relief site for rescue operation by the traction head, the binding mechanism can realize quick binding connection of the trailer and the main beam of the traction head, the dead weight of the traction head serves as a counterweight after connection, long-term configuration of the counterweight on the ground disc of the trailer is avoided, balance moment can be provided for setting and withdrawing the mechanized bridge, and the mechanized bridge of the trailer is assisted to complete quick rescue operation.
(2) When the trailer mechanized bridge is erected daily and withdrawn for training, the suspension counterweight is connected with the trailer, so that the trailer can replace a traction locomotive to provide a balancing moment, the training erection operation is completed, and the long-term occupation of traction locomotive resources during training is avoided.
(3) The fastening tool is connected with the hook plate through the pin shaft, and is connected with the front end cross beam of the trailer chassis and the balancing weight through the shackle, so that the fastening tool is convenient to connect and detach.
(4) The system is simple, the method is convenient to operate, the manufacturing cost is low, and the safety and high efficiency of the mechanized bridge of the trailer can be ensured to finish emergency rescue and daily training operations.
Drawings
FIG. 1 is a binding mechanism assembly schematic;
fig. 2 is a front view of the fixing hook;
FIG. 3 is a side view of the fixation hook;
FIG. 4 is a top view of the stationary hook;
FIG. 5 is a schematic view of a hanging weight assembly;
The device comprises a 1-tightening tool, a 2-fixing hook, a 3-hook plate, a 4-limit spring pin shaft, a 5-spring, a 6-manual pull ring, a 7-limit nut, an 8-pin shaft, a 9-transverse rib plate, a 10-vertical rib plate, a 11-balancing weight, a 12-trailer chassis front end cross beam, a 13-traction head main beam and a 14-bolt.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
Example 1:
The embodiment provides a counterweight system for a trailer mechanized bridge, and under the working condition of emergency operation in an emergency rescue scene, referring to fig. 1, the counterweight system includes: two binding mechanisms and a traction head; one end of each binding mechanism is connected with a cross beam 12 at the front end of a trailer chassis of the trailer mechanized bridge, and the other end of each binding mechanism is connected with a main beam 13 of a traction locomotive, so that a balancing moment is provided for erection and withdrawal of the trailer mechanized bridge;
Two hanging rings are arranged on a cross beam (12) at the front end of a trailer chassis of the trailer mechanized bridge;
the main beam 13 of the traction head is two channel steels which are arranged in parallel, and the openings of the channel steels are opposite;
each binding mechanism comprises a fastening tool 1 and a fixing hook 2;
one end of the tightening tool 1 is connected with a hanging ring arranged on a cross beam 12 at the front end of the trailer chassis, and the other end of the tightening tool is connected with a fixed hook 2; the fixed hook 2 is connected with a main beam 13 of the traction locomotive;
Referring to fig. 2-4, the fixed hook 2 comprises two hook plates 3, a transverse rib plate 9, a vertical rib plate 10, a limit spring pin, a pin shaft 8 and a bolt 14;
Each hook plate 3 is a U-shaped plate, two vertical plates of the U-shaped plate are a first vertical plate and a second vertical plate, and a through hole A is formed in the first vertical plate of each hook plate 3;
the two hook plates 3 are oppositely arranged in parallel, two through holes A of the two hook plates 3 are coaxially opposite, the transverse rib plates 9 are fixedly connected between transverse plates of the two U-shaped plates, the vertical rib plates 10 are fixedly connected between two second vertical plates, and a through hole B is formed in the vertical rib plates 10;
The limiting spring pins penetrate through the through holes B of the vertical rib plates 10, the lower wing plate of each channel steel of the main beam 13 of the tractor is positioned between the transverse plate of the hook plate 3 and the limiting spring pins, the opening direction of the channel steel is the direction of the vertical rib plate 10, and the limiting spring pins limit the main beam 13 of the tractor in the vertical direction; the traction head is connected with the chassis of the trailer, and the dead weight of the traction head provides a balancing moment required by erecting and withdrawing the mechanized bridge;
the limit spring pin comprises a limit spring pin shaft 4, a spring 5, a limit nut 7 and a manual pull ring 6; the limiting spring pin shaft 4 passes through a through hole B on the vertical rib plate 10, the spring 5 is arranged outside the limiting spring pin shaft 4, and two ends of the spring 5 respectively collide with the head of the limiting spring pin shaft 4 and the vertical rib plate 10; the tail part of the limit spring pin shaft 4 is provided with external threads, the limit nut 7 is in threaded connection with the limit spring pin shaft 4 at the outer side of the vertical rib plate 10, and the limit spring pin shaft 4 is limited by adjusting the position of the limit spring pin shaft 4 through the limit nut 7; the manual pull ring 6 passes through an insertion hole formed at the tail part of the limit spring pin shaft 4, and is loosened after being manually pulled towards the outer side direction of the vertical rib plate 10, the limit spring pin 4 can automatically reset under the action of the spring 5, and contacts with a main beam 13 of the traction locomotive to bear force after reset, so that the fixing and limiting effects on the traction locomotive are realized;
The two ends of the tightening tool 1 are respectively provided with a circular ring, the circular ring at one end of the tightening tool 1 is connected with the corresponding hanging ring arranged on the cross beam 12 at the front end of the trailer chassis through a shackle, and the circular ring at the other end is positioned between the two through holes A of the hook plate 3 and is connected with the hook plate 3 through the pin shaft 8 and the bolt 14.
Example 2:
The embodiment provides a counter weight system for trailer mechanized bridge, under the working condition of trailer mechanized bridge daily erection, withdraw training, see fig. 5, the counter weight system includes: two tightening tools 1 and a balancing weight 11;
One end of each tightening tool 1 is connected with one hanging ring arranged on a cross beam 12 at the front end of the trailer chassis through a shackle, and the other end of each tightening tool is connected with the balancing weight 11 through the shackle; the balancing weight 11 is hung and installed on the chassis of the trailer through the two fastening tools 1 and the shackle, and a balancing moment is provided for erecting and withdrawing the mechanized bridge of the trailer.
Example 3:
The present embodiment provides a method for using a counterweight system for a trailer mechanized bridge, and is applicable to different working conditions of the trailer mechanized bridge, referring to fig. 1 and fig. 5.
Under the working condition that the trailer mechanized bridge is transported to the rescue and relief site by the traction head for rescue operation, the trailer chassis is connected with the traction head by the binding mechanism; specifically, after the fixed hook 2 is connected with the main beam 13 of the traction locomotive, two ends of the tightening tool 1 are respectively connected with the fixed hook 2 and the front end cross beam 12 of the trailer chassis, the tightening tool 1 is adjusted to tension the binding mechanism, the connection of the traction locomotive and the trailer chassis is completed, the self weight of the traction locomotive provides balance moment required by erection and withdrawal of the mechanized bridge, and the mechanized bridge of the auxiliary trailer completes quick rush-through operation.
Under the working conditions of daily erection and withdrawal training of the trailer mechanized bridge, the trailer mechanized bridge is not required to be transported frequently, and the balancing weight 11 is connected with the trailer to replace a traction locomotive to provide a balancing moment, so that the training erection operation is completed, and the long-term occupation of the traction locomotive resource during the training is avoided.
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 (7)
1. A counterweight system for a mechanized axle of a trailer, comprising: two connecting structures and a counterweight mechanism;
Two hanging rings are arranged on a cross beam (12) at the front end of a trailer chassis of the trailer mechanized bridge;
The counterweight mechanism is connected with two hanging rings arranged on a cross beam (12) at the front end of the trailer chassis through two connecting structures;
under the working condition of carrying out rescue operation on a rescue and relief scene, each connecting structure comprises a fastening tool (1) and a fixed hook (2), and the counterweight mechanism is a traction headstock;
One end of the tightening tool (1) is connected with a hanging ring arranged on a cross beam (12) at the front end of the trailer chassis, and the other end of the tightening tool is connected with the fixed hook (2); the fixed hook (2) is connected with a main beam (13) of the traction locomotive;
The fixed hook (2) comprises two hook plates (3), a transverse rib plate (9), a vertical rib plate (10) and a limiting spring pin;
each hook plate (3) is a U-shaped plate, two vertical plates of the U-shaped plate are a first vertical plate and a second vertical plate, and a through hole A is formed in the first vertical plate of each hook plate (3);
The two hook plates (3) are oppositely arranged in parallel, two through holes A of the two hook plates (3) are coaxially opposite, the transverse rib plates (9) are fixedly connected between transverse plates of the two U-shaped plates, the vertical rib plates (10) are fixedly connected between two second vertical plates, and a through hole B is formed in the vertical rib plates (10);
The limiting spring pin penetrates through a through hole B of the vertical rib plate (10), and the fastening tool (1) is connected with the hook plate (3) at the through hole A.
2. A counterweight system for a mechanized axle of a trailer as claimed in claim 1, wherein said connection structure is a tightening tool (1) and said counterweight mechanism is a counterweight (11) during daily erection and withdrawal training of the mechanized axle of the trailer,
The balancing weight (11) is connected with two hanging rings arranged on a cross beam (12) at the front end of the trailer chassis through two fastening tools (1).
3. A counterweight system for a mechanized bridge of a trailer according to claim 1, characterized in that the main beam (13) of the towing vehicle head is two parallel-arranged channels with opposite openings; the lower wing plate of each channel steel of the main beam (13) of the traction locomotive is positioned between the transverse plate of the hook plate (3) and the limiting spring pin, and the opening direction of the channel steel is the direction of the vertical rib plate (10).
4. A counterweight system for a mechanized axle of a trailer as in claim 1 or 3, wherein said stop spring pin comprises: the device comprises a limit spring pin shaft (4), a spring (5), a limit nut (7) and a manual pull ring (6);
The limiting spring pin shaft (4) passes through a through hole B on the vertical rib plate (10), the spring (5) is arranged outside the limiting spring pin shaft (4), and two ends of the spring (5) are respectively abutted against the head of the limiting spring pin shaft (4) and the vertical rib plate (10); the tail of the limit spring pin shaft (4) is provided with an external thread, the limit nut (7) is arranged on the outer side of the vertical rib plate (10) and is in threaded connection with the limit spring pin shaft (4), and the manual pull ring (6) penetrates through an inserting hole formed in the tail of the limit spring pin shaft (4).
5. A counterweight system for a mechanized bridge of a trailer according to claim 4, characterized in that the two ends of the tightening tool (1) are respectively provided with a ring, the ring at one end of the tightening tool (1) is connected with the corresponding hanging ring arranged on the cross beam (12) at the front end of the chassis of the trailer through a shackle, and the ring at the other end is positioned between the two through holes a of the two hook plates (3) and is connected with the hook plates (3) through a pin shaft (8) and a bolt (14).
6. A counterweight system for a mechanized axle of a trailer according to claim 2, characterized in that one end of each tightening tool (1) is connected to a suspension ring arranged on the front end beam (12) of the chassis of the trailer by means of a shackle, and the other end is connected to the counterweight (11) by means of a shackle.
7. The use method of the counterweight system for the mechanized bridge of the trailer is based on the counterweight system of claim 2, and is characterized in that under the working conditions of daily erection and withdrawal training of the mechanized bridge of the trailer, the counterweight (11) is used for connecting with a cross beam (12) at the front end of a chassis of the trailer, and the counterweight (11) provides the required balancing moment for erection and withdrawal of the mechanized bridge;
Under the working condition that the trailer mechanized bridge is transported to the rescue and relief site by the traction head for rescue operation, the connecting structure is connected with the trailer chassis and the traction head; specifically, be connected fixed hook (2) and girder (13) of traction locomotive, tightly fix behind utensil (1) both ends are connected with fixed hook (2) and trailer chassis front end crossbeam (12) respectively, through adjusting tightly fix utensil (1), make connection structure tensioning, accomplish the connection of traction locomotive and trailer chassis, provide mechanized bridge erection, remove the required balancing moment of receipts by traction locomotive's dead weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111557073.7A CN114457680B (en) | 2021-12-18 | 2021-12-18 | Counterweight system for trailer mechanized bridge and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111557073.7A CN114457680B (en) | 2021-12-18 | 2021-12-18 | Counterweight system for trailer mechanized bridge and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114457680A CN114457680A (en) | 2022-05-10 |
| CN114457680B true CN114457680B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111557073.7A Active CN114457680B (en) | 2021-12-18 | 2021-12-18 | Counterweight system for trailer mechanized bridge and use method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1907164A1 (en) * | 1968-02-13 | 1969-10-23 | Poclain Sa | Vehicle to be used especially in the construction sector, consisting of a tractor and a trailer |
| BR0004946A (en) * | 2000-10-13 | 2002-06-11 | Jacto Maquinas Agricolas | Dynamic counterweight mechanism for one-sided sprayers |
| CA2388075A1 (en) * | 2001-06-02 | 2002-12-02 | Ewk Eisenwerke Kaiserslautern Gmbh | Military quick launching bridge system |
| RU65503U1 (en) * | 2007-03-05 | 2007-08-10 | Федеральное государственное унитарное предприятие Конструкторское бюро транспортного машиностроения | BRIDGE MECHANICAL COMPLEX |
| CN109137743A (en) * | 2018-09-30 | 2019-01-04 | 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 vehicle frame separate type super-span emergency machine gantry sets vehicle and method |
| KR102007670B1 (en) * | 2018-12-12 | 2019-10-21 | 주식회사 해민중공업 | Floating Pier having Aluminum Structure |
| CN113356020A (en) * | 2021-05-31 | 2021-09-07 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Trailer bridge and erection method thereof |
-
2021
- 2021-12-18 CN CN202111557073.7A patent/CN114457680B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1907164A1 (en) * | 1968-02-13 | 1969-10-23 | Poclain Sa | Vehicle to be used especially in the construction sector, consisting of a tractor and a trailer |
| BR0004946A (en) * | 2000-10-13 | 2002-06-11 | Jacto Maquinas Agricolas | Dynamic counterweight mechanism for one-sided sprayers |
| CA2388075A1 (en) * | 2001-06-02 | 2002-12-02 | Ewk Eisenwerke Kaiserslautern Gmbh | Military quick launching bridge system |
| RU65503U1 (en) * | 2007-03-05 | 2007-08-10 | Федеральное государственное унитарное предприятие Конструкторское бюро транспортного машиностроения | BRIDGE MECHANICAL COMPLEX |
| CN109137743A (en) * | 2018-09-30 | 2019-01-04 | 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 vehicle frame separate type super-span emergency machine gantry sets vehicle and method |
| KR102007670B1 (en) * | 2018-12-12 | 2019-10-21 | 주식회사 해민중공업 | Floating Pier having Aluminum Structure |
| CN113356020A (en) * | 2021-05-31 | 2021-09-07 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Trailer bridge and erection method thereof |
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| CN114457680A (en) | 2022-05-10 |
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