CN113561881A - Trailer type explosion-proof device, system and method - Google Patents
Trailer type explosion-proof device, system and method Download PDFInfo
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- CN113561881A CN113561881A CN202110861316.XA CN202110861316A CN113561881A CN 113561881 A CN113561881 A CN 113561881A CN 202110861316 A CN202110861316 A CN 202110861316A CN 113561881 A CN113561881 A CN 113561881A
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- wall body
- vehicle body
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- main wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/40—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying long loads, e.g. with separate wheeled load supporting elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/42—Vehicles adapted to transport, to carry or to comprise special loads or objects convertible from one use to a different one
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- 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
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- 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
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
- E04H9/10—Independent shelters; Arrangement of independent splinter-proof walls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
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- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
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- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a trailer type explosion-proof device, system and method, the technical scheme is as follows: comprises a vehicle body and an explosion-proof wall arranged on the vehicle body; the explosion-proof wall comprises a main wall body, one side of the main wall body is connected with a roll-over stand in a sliding manner, and the roll-over stand is connected with a vehicle body through a jacking oil cylinder; under the action of the jacking oil cylinder, the main wall body can be in a horizontal state or a vertical state relative to the vehicle body; and the support column is arranged on the vehicle body and used for supporting the main wall body in a horizontal state. The invention can realize the rapid and stable transportation of the blast wall, can be rapidly built and improves the protection performance.
Description
Technical Field
The invention relates to the field of emergency rescue, in particular to a trailer type explosion-proof device, system and method.
Background
The explosion-proof device is used for protecting equipment or production devices from safe operation, the life safety of people and the like, and explosion is prevented under abnormal conditions. Such as blast walls, are widely used in the areas of perimeter security, personnel and material shelters, border checkpoints, and the like. The explosion-proof device most importantly has outstanding quick response characteristic so as to play an effective protection role.
The inventor finds that the existing explosion-proof device is usually directly connected with a vehicle in the transportation process, namely loaded behind the vehicle, so that the whole vehicle body is easy to be unstable; and the device has larger volume and has bearing requirements on vehicles. For example, the prior art discloses a mobile anti-terrorist and anti-explosion car-blocking retaining wall, which comprises an anti-explosion wall body, wherein a fixed connecting rod is arranged on the back surface of the anti-explosion wall body, and the fixed connecting rod is used for fixing the anti-explosion wall body on a mobile carrier; although the anti-explosion wall body can realize the moving function through the moving carrier, the anti-explosion wall body is fixedly connected with the moving carrier, so that the gravity center of the moving carrier is unstable, and the anti-explosion wall body can only be transversely unfolded, so that the size is large, the running speed of a vehicle is influenced, and the stability in the moving process cannot be ensured.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a trailer type explosion-proof device, system and method, which can realize the rapid and stable transportation of an explosion-proof wall, can be rapidly built and improve the protection performance.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, embodiments of the present invention provide a trailer type explosion-proof device, including a vehicle body and an explosion-proof wall mounted on the vehicle body;
the explosion-proof wall comprises a main wall body, one side of the main wall body is connected with a roll-over stand in a sliding manner, and the roll-over stand is connected with a vehicle body through a jacking oil cylinder; under the action of the jacking oil cylinder, the main wall body can be in a horizontal state or a vertical state relative to the vehicle body;
and the support column is arranged on the vehicle body and used for supporting the main wall body in a horizontal state.
As a further implementation manner, one end of the main wall body is hinged with the first side wall body, and the other end of the main wall body is hinged with the second side wall body;
side-opening oil cylinders are respectively connected between the main wall body and the first side wall body and between the main wall body and the second side wall body, and the first side wall body and the second side wall body can be kept horizontal or vertical to the main wall body under the action of the side-opening oil cylinders.
As a further implementation mode, a lifting oil cylinder is connected between the main wall body and the vehicle body, and the lifting oil cylinder is rotationally connected with the main wall body and the vehicle body; the lifting oil cylinder can lower the main wall body in a vertical state of the main wall body.
As a further implementation manner, guide wheels are mounted at two ends of the roll-over stand and matched with a slide rail fixed on the main wall body, so that the roll-over stand can move along the main wall body.
As a further implementation mode, two ends of the roll-over stand are respectively connected with a jacking oil cylinder, and the jacking oil cylinder is hinged with a first support vertical to the vehicle body;
and for the roll-over stand, a position which is set to be away from the connecting point of the roll-over stand and the jacking oil cylinder is provided with a protruding part, and the protruding part is hinged with a second support which is vertical to the vehicle body.
As a further implementation mode, the number of the support columns is at least two, the support columns are rotatably connected with the vehicle body through the supports and can be parallel to or perpendicular to the upper surface of the vehicle body.
As a further implementation manner, an explosion-proof component is arranged on one side of each of the main wall body, the first side wall body and the second side wall body, which is opposite to the vehicle body.
As a further implementation mode, the explosion-proof wall is installed on one side of the upper portion of the vehicle body, and the other side of the upper portion of the vehicle body is provided with the weight box.
In a second aspect, the embodiment of the invention also provides a trailer type explosion-proof system, which comprises the explosion-proof device, wherein a plurality of explosion-proof devices are connected in series.
In a third aspect, an embodiment of the present invention further provides a method for using a trailer type explosion-proof device, including:
in a non-use state, the main wall body is parallel to the vehicle body, and the first side wall body and the second side wall body are vertical to the vehicle body;
starting the jacking oil cylinder, turning the main wall body by 90 degrees under the action of the turning frame to be vertical to the vehicle body, and stopping the jacking oil cylinder;
starting the side-opening oil cylinder until the first side wall body and the second side wall body are parallel to the vehicle body, and stopping;
and starting the lifting oil cylinder to enable the main wall body to descend to be in contact with the ground.
The invention has the following beneficial effects:
(1) the explosion-proof wall is arranged on the upper part of the vehicle body and is connected with the motor vehicle through the vehicle body, so that the explosion-proof wall can be rapidly transported; the main structure of the blast wall and the vehicle body are manufactured in advance to form an integral structure of the blast wall and the vehicle body, the structure is compact, and the occupied space under the non-use state is reduced.
(2) The blast wall is composed of a main wall body, a first side wall body and a second side wall body, and can be folded on a vehicle body when not in use, so that the blast wall is convenient to transport; under the use state, through the power effect of hydro-cylinder, first lateral wall body, second lateral wall body can expand fast and form the protection face with the main wall body, play the guard action.
(3) According to the invention, through the matching of the jacking oil cylinder, the side-opening oil cylinder and the lifting oil cylinder, the explosion-proof wall can be rapidly unfolded from a folded state and put down to the ground, so that the protection area can be increased, and the building time of the explosion-proof wall can be shortened.
(4) The support column is arranged on the vehicle body, so that the protective wall can be stably supported, and the shaking in the transportation process is avoided; the vehicle body is also provided with a weight box, so that the overall stability of the explosion-proof wall in the unfolding process is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a perspective view of the present invention according to one or more embodiments;
FIG. 2 is a rear view of the present invention according to one or more embodiments;
FIG. 3 is a top view of the present disclosure according to one or more embodiments;
FIG. 4 is a schematic view of a roll-over stand configuration according to one or more embodiments of the present invention;
the anti-explosion vehicle comprises a vehicle body 1, a main wall body 2, a main wall body 3, a first side wall body 4, a second side wall body 5, an anti-explosion component 6, a roll-over stand 7, a guide wheel 8, a slide rail 9, a lifting oil cylinder 10, a jacking oil cylinder 11, a side opening oil cylinder 12, a hook 13, a support column 14, a second support 15, a first support 16, a hydraulic station 17, a weight box 18, a wedge block 19, an extension part 20 and a support part.
Detailed Description
The first embodiment is as follows:
the embodiment provides a trailer type explosion-proof device, as shown in fig. 1-3, comprising a vehicle body 1 and an explosion-proof wall mounted on the vehicle body 1, wherein the explosion-proof wall can be rapidly transported to a use place through the vehicle body 1; the explosion-proof wall is of a folding structure and can be quickly built to form a protective surface.
Specifically, the explosion-proof wall comprises a main wall body 2, a first side wall body 3 and a second side wall body 4, wherein the first side wall body 3 is arranged at one end of the main wall body 2, and the second side wall body 4 is arranged at the other end of the main wall body 2; the first side wall body 3 and the second side wall body 4 can rotate relative to the main wall body 2, and when the first side wall body 3, the second side wall body 4 and the main wall body 2 are positioned in the same plane, a protection surface is formed; when the first side wall body 3 and the second side wall body 4 are perpendicular to the main wall body 2, the folding car is folded on the car body 1, and transportation is facilitated.
In the embodiment, in order to ensure that the protection area is enough, the main wall 2, the first side wall 3 and the second side wall 4 are all arranged into a rectangular frame structure; the length direction of the main wall body 2 is consistent with the transportation direction of the vehicle body 1. The outer side surfaces of the main wall body 2, the first side wall body 3 and the second side wall body 4 (the side back to the vehicle body 1 is taken as the outer side) are all provided with the explosion-proof components 5, when the main wall body 2, the first side wall body 3 and the second side wall body 4 are positioned on the same plane, the end surfaces of the adjacent explosion-proof components 5 are contacted with each other, and the explosion-proof function is realized through the explosion-proof components 5.
In this embodiment, first lateral wall 3, second lateral wall 4 are equipped with and hang the knot, and automobile body 1 articulates there is couple 12, and when first lateral wall 3, second lateral wall 4 were perpendicular with main wall body 2, automobile body 1, with couple 12 with hang the knot lock, make the blast wall can keep fold condition in the transportation.
Further, slide rails 8 are symmetrically arranged on the inner side surface of the main wall 2, and the slide rails 8 are close to the end part of the main wall 2 and are arranged along the width direction of the main wall 2; be equipped with leading wheel 7 in the slide rail 8, leading wheel 7 can move along slide rail 8. The guide wheel 7 is arranged at the end part of the roll-over stand 6, and the roll-over stand 6 can realize state transition when the guide wheel 7 moves along the slide rail 8.
In this embodiment, as shown in fig. 4, the roll-over stand 6 is a rectangular frame structure, and guide wheels 7 are installed at both ends thereof; the side opposite to the guide wheel 7 is rotatably connected with a cylinder rod of the jacking oil cylinder 10, and the fixed end of the jacking oil cylinder 10 is hinged with the first support 15; the first support 15 is vertical to the upper surface of the vehicle body 1, and the roll-over stand 6 moves along the slide rail 8 under the power action of the jacking oil cylinder 10, so that the conversion between the vertical state and the horizontal state is realized.
Furthermore, the roll-over stand 6 is formed by connecting the first tie beam, the second tie beam, the third tie beam and the fourth tie beam which form a closed structure end to end in sequence, wherein the first tie beam and the third tie beam are arranged along the length direction of the main wall body 2, and the second tie beam and the fourth tie beam are arranged along the width direction of the main wall body 2.
In the embodiment, the connecting ends of the jacking oil cylinder 10 and the roll-over stand 6 are positioned at two ends of the first connecting beam; and a set position away from the end part of the third connecting beam is provided with a protruding part 19, the protruding part 19 is vertical to the third connecting beam, and the protruding part 19 is hinged with the second support 14 vertical to the vehicle body 1. The main wall 2 is kept stably supported in a horizontal state through four connection points (connection points of the jacking oil cylinder 10, the extension part and the roll-over stand 6) of the roll-over stand 6.
And a supporting part 20 vertical to the third connecting beam is arranged at the bottom of the third connecting beam, and the supporting part 20 is hinged with the vehicle body 1.
Further, the first side wall body 3 and the second side wall body 4 are connected with the main wall body 2 through hinges respectively, and side-opening oil cylinders 11 are connected between the main wall body 2 and the first side wall body 3 and between the main wall body 2 and the second side wall body 4 respectively. The axial direction of the side-opening oil cylinder 11 is consistent with the length direction of the main wall body 2, and the included angles of the first side wall body 3, the second side wall body 4 and the main wall body 2 can be changed through the side-opening oil cylinder 11.
In this embodiment, the main wall 2 is disposed near one side of the vehicle body 1, and in order to further ensure that the main wall 2 and the first and second side walls 3 and 4 are stably supported on the vehicle body after being folded, the vehicle body 1 is disposed near the other side of the vehicle body and provided with a plurality of supporting pillars 13. The support column 13 is rotatably connected with the vehicle body 1 through a support, and can be parallel to or perpendicular to the upper surface of the vehicle body 1, and when the main wall body 2 is parallel to the vehicle body 1, the support column 13 is adjusted to be in a vertical state so as to support the main wall body 2.
Preferably, two support columns 13 are provided, each arranged near an end of the main wall 2.
Furthermore, a lifting oil cylinder 9 is connected between the main wall body 2 and the vehicle body 1, and the lifting oil cylinder 9 is rotatably connected with the main wall body 2 and the vehicle body 1. In this embodiment, the lift cylinder 9 is disposed along the width direction of the main wall 2, a cylinder rod of the lift cylinder 9 is connected to the middle position of the main wall 2 far away from the installation end, and the fixed end of the lift cylinder 9 is connected to the vehicle body 1. When the explosion-proof wall is unfolded to be in a horizontal state, the explosion-proof wall is lowered to the ground through contraction of the lifting oil cylinder 9.
Further, in order to increase the contact points of the main wall 2, the first side wall 3 and the second side wall 4 with the vehicle body 1, a wedge block 18 is arranged at the position, close to the bottom, of the rear side (the side far away from the explosion-proof component) of the main wall 2, the first side wall 3 and the second side wall 4; so as to avoid interference to the side surface of the vehicle body 1 when the shock wave generated by explosion impacts the wall body.
In order to prevent the vehicle body 1 from sliding when the explosion-proof wall is unfolded and descends to one side of the vehicle body 1, an anti-sliding frame is arranged on one side far away from the explosion-proof wall; the anti-sliding frame is hinged with the vehicle body, is folded on the vehicle body 1 when not in use, and is inclined at a set angle with the vehicle body 1 when in use; prevent the carriage bottom surface and ground contact.
The blast wall of the embodiment is arranged on one side of the vehicle body 1, the center of gravity of the blast wall is outside the trailer after the blast wall is turned in place and in the falling and rising processes, and the risk of side turning can be caused after the blast wall is erected due to the influence of speed; therefore, in order to avoid unstable gravity center of the vehicle body after the explosion-proof wall is unfolded, the weight box 17 is arranged on one side of the vehicle body 1 far away from the explosion-proof wall; the weighting can be performed by water or soil.
Meanwhile, the vehicle body 1 is also provided with a hydraulic station 16, and oil is supplied to each oil cylinder through the hydraulic station 16. In this embodiment, the vehicle body 1 is a trailer, and can be towed or transported to a designated place by a motor vehicle when in use.
The using method of the explosion-proof device comprises the following steps:
in a non-use state, the main wall 2 is parallel to the vehicle body 1, the first side wall 3 and the second side wall 4 are perpendicular to the vehicle body 1, and the main wall is stably supported on the vehicle body 1 through the first support 15, the second support 14 and the support column 13.
When in use, the explosion-proof device is dragged or transported to a designated place through a motor vehicle; and starting the jacking oil cylinder 10, turning the main wall body 2 by 90 degrees under the matching action of the turning frame 6, the guide wheels 7 and the slide rails 8 to be vertical to the vehicle body 1, and stopping the jacking oil cylinder 10.
And starting the side-opening oil cylinder 11 to enable the first side wall body 3, the second side wall body 4 and the vehicle body 1 to be unfolded and to be stopped after being on the same plane with the main wall body 2.
Starting the lifting oil cylinder 9 to enable the anti-collision wall to descend to be in contact with the ground; thereby realizing the quick construction of the explosion-proof device.
Example two:
the embodiment also provides a trailer type explosion-proof system which comprises the explosion-proof device in the first embodiment, wherein a plurality of explosion-proof devices are connected in series, and the end parts of the explosion-proof components of the adjacent explosion-proof devices are contacted in an expansion state of the explosion-proof wall, so that the explosion-proof area is increased.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A trailer type explosion-proof device is characterized by comprising a vehicle body and an explosion-proof wall arranged on the vehicle body;
the explosion-proof wall comprises a main wall body, one side of the main wall body is connected with a roll-over stand in a sliding manner, and the roll-over stand is connected with a vehicle body through a jacking oil cylinder; under the action of the jacking oil cylinder, the main wall body can be in a horizontal state or a vertical state relative to the vehicle body;
and the support column is arranged on the vehicle body and used for supporting the main wall body in a horizontal state.
2. The trailer type explosion-proof device as claimed in claim 1, wherein one end of the main wall is hinged with the first side wall, and the other end is hinged with the second side wall;
side-opening oil cylinders are respectively connected between the main wall body and the first side wall body and between the main wall body and the second side wall body, and the first side wall body and the second side wall body can be kept horizontal or vertical to the main wall body under the action of the side-opening oil cylinders.
3. The trailer type explosion-proof device as claimed in claim 1, wherein a lift cylinder is connected between the main wall body and the trailer body, and the lift cylinder is rotatably connected with both the main wall body and the trailer body; the lifting oil cylinder can lower the main wall body in a vertical state of the main wall body.
4. The trailer type explosion-proof device as claimed in claim 1, wherein the roll-over stand is provided with guide wheels at both ends thereof, and the guide wheels are matched with slide rails fixed on the main wall body so that the roll-over stand can move along the main wall body.
5. The trailer type explosion-proof device according to claim 1 or 4, wherein two ends of the roll-over stand are respectively connected with a jacking cylinder, and the jacking cylinder is hinged with a first support vertical to the vehicle body;
and for the roll-over stand, a position which is set to be away from the connecting point of the roll-over stand and the jacking oil cylinder is provided with a protruding part, and the protruding part is hinged with a second support which is vertical to the vehicle body.
6. The trailer type explosion-proof device as claimed in claim 1, wherein there are at least two supporting columns, and the supporting columns are rotatably connected with the vehicle body through a support, and can be parallel or perpendicular to the upper surface of the vehicle body.
7. The trailer type explosion-proof device as claimed in claim 1, wherein the main wall, the first side wall and the second side wall are provided with an explosion-proof component on the side opposite to the vehicle body.
8. The trailer type explosion-proof device as claimed in claim 1, wherein the explosion-proof wall is installed on one side of the upper part of the vehicle body, and a weight box is arranged on the other side of the upper part of the vehicle body.
9. A trailer explosion protection system comprising an explosion protection device according to any one of claims 1 to 8, a plurality of explosion protection devices being connected in series.
10. The use method of the trailer type explosion-proof device according to any one of claims 1 to 8, which is characterized by comprising the following steps:
in a non-use state, the main wall body is parallel to the vehicle body, and the first side wall body and the second side wall body are vertical to the vehicle body;
starting the jacking oil cylinder, turning the main wall body by 90 degrees under the action of the turning frame to be vertical to the vehicle body, and stopping the jacking oil cylinder;
starting the side-opening oil cylinder until the first side wall body and the second side wall body are parallel to the vehicle body, and stopping;
and starting the lifting oil cylinder to enable the main wall body to descend to be in contact with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861316.XA CN113561881B (en) | 2021-07-29 | 2021-07-29 | Trailer type explosion-proof device, system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861316.XA CN113561881B (en) | 2021-07-29 | 2021-07-29 | Trailer type explosion-proof device, system and method |
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| Publication Number | Publication Date |
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| CN113561881A true CN113561881A (en) | 2021-10-29 |
| CN113561881B CN113561881B (en) | 2022-05-03 |
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| CN202110861316.XA Active CN113561881B (en) | 2021-07-29 | 2021-07-29 | Trailer type explosion-proof device, system and method |
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| WO2004106843A2 (en) * | 2003-05-26 | 2004-12-09 | Sema | Anti-explosion screen |
| CN1888318A (en) * | 2006-07-14 | 2007-01-03 | 常熟华东汽车有限公司 | Road barricade vehicle |
| CN204252308U (en) * | 2014-11-13 | 2015-04-08 | 江苏利峰安防科技有限公司 | A kind of multi-functional quick moving protection wall |
| CN105781204A (en) * | 2016-04-18 | 2016-07-20 | 李钢 | Mobile anti-terrorism anti-explosion vehicle stopping guard wall |
| KR101644161B1 (en) * | 2015-03-26 | 2016-07-29 | 삼성중공업 주식회사 | Blast wall |
| CN206736778U (en) * | 2017-04-28 | 2017-12-12 | 江苏和为警用器材制造有限公司 | A kind of trailer-type explosiveproof isolation roadblock |
| CN109708527A (en) * | 2019-01-25 | 2019-05-03 | 广东邑安实业有限公司 | Electric foldable wall to impede bullets |
| CN112252500A (en) * | 2020-11-30 | 2021-01-22 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Light-duty modularization blast wall |
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2021
- 2021-07-29 CN CN202110861316.XA patent/CN113561881B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004106843A2 (en) * | 2003-05-26 | 2004-12-09 | Sema | Anti-explosion screen |
| CN1888318A (en) * | 2006-07-14 | 2007-01-03 | 常熟华东汽车有限公司 | Road barricade vehicle |
| CN204252308U (en) * | 2014-11-13 | 2015-04-08 | 江苏利峰安防科技有限公司 | A kind of multi-functional quick moving protection wall |
| KR101644161B1 (en) * | 2015-03-26 | 2016-07-29 | 삼성중공업 주식회사 | Blast wall |
| CN105781204A (en) * | 2016-04-18 | 2016-07-20 | 李钢 | Mobile anti-terrorism anti-explosion vehicle stopping guard wall |
| CN206736778U (en) * | 2017-04-28 | 2017-12-12 | 江苏和为警用器材制造有限公司 | A kind of trailer-type explosiveproof isolation roadblock |
| CN109708527A (en) * | 2019-01-25 | 2019-05-03 | 广东邑安实业有限公司 | Electric foldable wall to impede bullets |
| CN112252500A (en) * | 2020-11-30 | 2021-01-22 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Light-duty modularization blast wall |
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| CN113561881B (en) | 2022-05-03 |
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