CN107964886B - Movable connecting device of net barrier body - Google Patents
Movable connecting device of net barrier body Download PDFInfo
- Publication number
- CN107964886B CN107964886B CN201810022618.6A CN201810022618A CN107964886B CN 107964886 B CN107964886 B CN 107964886B CN 201810022618 A CN201810022618 A CN 201810022618A CN 107964886 B CN107964886 B CN 107964886B
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- Prior art keywords
- pin
- barrier
- barrier frame
- frame
- seat
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates
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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
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
- E04H17/161—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using wire panels
- E04H17/163—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using wire panels using wired panels with frame
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The utility model provides a swing joint device of net barrier, net barrier includes a plurality of barrier units, every barrier unit includes left and right barrier, left barrier comprises left barrier frame and the left net piece of fixing on left barrier frame, right barrier comprises right barrier frame and the right net piece of fixing on right barrier frame, swing joint device includes upper and lower hinge mechanism, upper hinge mechanism connects the upper portion between left and right barrier frame, lower hinge mechanism connects the lower part between left and right barrier frame. Because the movable connecting device is composed of the upper hinge mechanism and the lower hinge mechanism, the upper hinge mechanism is connected to the upper part between the left barrier frame and the right barrier frame, and the lower hinge mechanism is connected to the lower part between the left barrier frame and the right barrier frame, when the left barrier body is unfolded relative to the right barrier body and meets the condition that the terrace is sunken or raised, the left frame body can realize self-adjustment of longitudinal adaptability under the synergistic action of the upper hinge mechanism and the lower hinge mechanism, the picking performance of the terrace in a barrier arrangement place can be avoided, and the integral strength of the isolation barrier is ensured.
Description
Technical Field
The invention belongs to the technical field of road isolation facilities, and particularly relates to a movable connecting device of a net barrier body.
Background
The barrier body is usually equipped on a barrier work vehicle or a special vehicle in military and police departments for isolating areas where there is a fear of impact, such as areas where people are troubled due to small-scale sudden events, areas where parties, administrative agencies, colleges and universities, military restricted areas, and the like, are concerned with large-scale mass events, areas where major accident sites are temporarily isolated, areas where the criminal case emergency sites are temporarily isolated from the outside, and the like.
As is known in the art, the entire barrier is formed by a plurality of barrier bodies and by means of a cyclic connection of movable connection means, the connection between barrier bodies in the prior art generally uses a rotating shaft as the movable connection means, around which the adjacent barrier bodies rotate. The structure has the following problems in the actual barrier laying process: when one of the two adjacent barriers lands on the ground, and the other barrier rotates to open, if the terrace is concave, the bottom of the other barrier is suspended in the air and can not land on the ground, so that the strength of the whole isolation barrier is influenced, and if the terrace is raised, the lower edge of the other barrier can not be unfolded due to the obstruction of the terrace, so that barrier arrangement failure is caused. In addition, in the case of the aforementioned situation, the shaft can be severely damaged, for example by deformation of the shaft or even by damage to the barrier, for example by tearing. Therefore, the problem of how to enable the barrier to realize adaptive change according to the concave-convex condition of the floor on the obstacle arrangement site through the movable connecting device with reasonable structure is always troubled and expected to be solved, but no reference technical inspiration is found in the traditional patent and non-patent documents disclosed so far. The applicant has made an advantageous search and design for this purpose, and finally has developed the technical solution described below and has conducted computer simulation deduction tests with security measures, and the results have proved to be feasible.
Disclosure of Invention
The invention aims to provide a movable connecting device of a barrier body, which is beneficial to realizing longitudinal adaptive self-adjustment of the barrier body according to the concave-convex condition of a terrace, so that the optimality of the terrace of a barrier distribution place can be avoided, and the integral strength of an isolation barrier after barrier distribution is ensured.
The invention aims to accomplish the task by the aid of the movable connecting device of the barrier body, the barrier body comprises a plurality of barrier body units, each barrier body unit comprises a left barrier body and a right barrier body, the left barrier body is composed of a left barrier frame and a left net piece fixed on the left barrier frame, the right barrier body is composed of a right barrier frame and a right net piece fixed on the right barrier frame, the movable connecting device comprises an upper hinge mechanism and a lower hinge mechanism, the upper hinge mechanism is connected to the upper portion between the left barrier frame and the right barrier frame, and the lower hinge mechanism is connected to the lower portion between the left barrier frame and the right barrier frame.
In a specific embodiment of the invention, a left barrier frame upper hinge cavity is formed at the upper part of the left barrier frame facing the height direction of the side of the right barrier frame, a right barrier frame upper hinge cavity is formed at the upper part of the right barrier frame facing the height direction of the side of the left barrier frame, the upper hinge mechanism is connected between the left barrier frame upper hinge cavity and the right barrier frame upper hinge cavity, and the lower hinge mechanism is connected between the lower part of the right side surface of the left barrier frame and the lower part of the left side surface of the right barrier frame.
In another specific embodiment of the present invention, the upper hinge mechanism includes an upper pin sliding seat and an upper pin seat, the upper pin sliding seat is fixed to the left barrier frame at a position corresponding to the upper hinge cavity of the left barrier frame, a slot plate extends from the upper portion of the upper pin sliding seat and in a direction toward the upper pin seat, the slot plate protrudes out of the right side surface of the left barrier frame and is provided with an upper pin sliding groove, the upper pin seat is fixed to the right barrier frame at a position corresponding to the upper hinge cavity of the right barrier frame, one end of the upper pin seat, which faces the upper pin sliding seat, protrudes out of the left side surface of the right barrier frame and is fixed with an upper pin shaft at an upward side, and the upper pin shaft protrudes into the upper pin sliding groove from below the slot plate; the lower hinge mechanism comprises a cross shaft pin seat, a vertical shaft pin fixing seat, a vertical shaft pin, a hinge seat and a cross shaft pin, the cross shaft pin seat is fixed with the lower part of the right side surface of the left barrier frame, the main shaft pin fixing seat is fixed with the lower part of the left side surface of the right barrier frame, the vertical shaft pin is fixed with the upward side of the vertical shaft pin fixing seat, the hinge seat is rotatably sleeved on the vertical shaft pin, and the cross shaft pin is fixed on one side of the hinge seat facing the cross shaft pin seat and is in pivot fit with the cross shaft pin seat.
In yet another embodiment of the present invention, the cross-axis pin boss is formed with a cross-axis pin boss bending portion, and the cross-axis pin is pivotally engaged with the cross-axis pin boss bending portion.
In a further specific embodiment of the present invention, a cross shaft pin bushing is sheathed on the cross shaft pin seat bending part, the cross shaft pin is in pivot fit with the cross shaft pin bushing, and a cross shaft pin limiting nut is arranged at the end part of the cross shaft pin extending out of the cross shaft pin bushing.
In a further embodiment of the invention, a vertical shaft pin bush is sheathed on the hinge base and at a position corresponding to the vertical shaft pin, the vertical shaft pin is pivotally engaged with the vertical shaft pin bush and a vertical shaft pin limiting nut is provided at the end of the vertical shaft pin protruding out of the vertical shaft pin bush.
In a more specific embodiment of the invention, a cross-axis pin washer is disposed on the cross-axis pin and in a position corresponding to between the cross-axis pin defining nut and the end surface of the cross-axis pin bushing.
In a further particular embodiment of the invention, a vertical pin washer is provided on the vertical pin and in a position corresponding to between the vertical pin delimiting nut and the end face of the vertical pin bush.
In a more specific embodiment of the invention, a left barrier frame guiding rotary wheel is arranged at the bottom of the left barrier frame and far away from one end of the right barrier frame.
In a further specific embodiment of the present invention, the left mesh sheet and the left barrier frame are fixed on the outward side in the use state, and the right mesh sheet and the right barrier frame are fixed on the outward side in the use state.
According to the technical scheme provided by the invention, the movable connecting device is composed of the upper hinge mechanism and the lower hinge mechanism, the upper hinge mechanism is connected to the upper part between the left barrier frame of the left frame body and the right barrier frame of the right barrier body, and the lower hinge mechanism is connected to the lower part between the left barrier frame and the right barrier frame, so that when a terrace is sunken or raised in the process of unfolding the left barrier body relative to the right barrier body, the left frame body can realize self-adjustment of longitudinal adaptability under the synergistic action of the upper hinge mechanism and the lower hinge mechanism, the problem of picking the terrace of a barrier arrangement place can be avoided, and the integral strength of an isolation barrier can be guaranteed.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention.
FIG. 2 is a schematic diagram of the left barrier shown in FIG. 1 in an expanded state relative to the right barrier.
Detailed description of the preferred embodiments
In order to clearly understand the technical spirit and the advantages of the present invention, the applicant below describes in detail by way of example, but the description of the example is not intended to limit the technical scope of the present invention, and any equivalent changes made according to the present inventive concept, which are merely in form and not in material, should be considered as the technical scope of the present invention.
In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the position state shown in fig. 1, and thus, it should not be understood as a particular limitation to the technical solution provided by the present invention.
Referring to fig. 1, one barrier unit 1 of a plurality of barrier units 1 of a structural system of a barrier net is shown, the barrier unit 1 includes a left barrier 11 and a right barrier 12, the left barrier 11 is composed of a left barrier frame 111 and a left mesh 112 fixed on the left barrier frame 111, that is, fixed on one side of the left barrier frame 111, and the right barrier 12 is composed of a right barrier frame 121 and a right mesh 122 fixed on the right barrier frame 121, that is, fixed on one side of the right barrier frame 121. An upper hinge mechanism 2 and a lower hinge mechanism 3 of the structural system of the movable connecting device are shown, wherein the upper hinge mechanism 2 is connected with the upper part between the left barrier frame 111 and the right barrier frame 121, and the lower hinge mechanism 3 is connected with the lower part between the left barrier frame 111 and the right barrier frame 121. That is, the upper hinge mechanism 2 is connected between the upper portions of the left and right frames 111 and 121, and the lower hinge mechanism 3 is connected between the lower portions of the left and right frames 111 and 121.
Continuing with fig. 1, a left barrier frame upper hinge chamber 1111 is formed at a side of the left barrier frame 111 facing the right barrier frame 121, i.e., at an upper portion in the height direction of the right side in the state shown in fig. 1, and a right barrier frame upper hinge chamber 1211 is formed at a side of the right barrier frame 121 facing the left barrier frame 111, i.e., at an upper portion in the height direction of the left side in the state shown in fig. 1, the upper hinge mechanism 2 is connected between the left and right barrier frame upper hinge chambers 1111, 1211, and the lower hinge mechanism 3 is connected between a lower portion of the right side surface of the left barrier frame 111 and a lower portion of the left side surface of the right barrier frame 121.
The upper hinge mechanism 2 includes an upper pin shaft sliding fitting seat 21 and an upper pin shaft seat 22, the upper pin shaft sliding fitting seat 21 is welded and fixed to the left barrier frame 111 at a position corresponding to the left barrier frame upper hinge cavity 1111, a groove plate 211 extends above the pin shaft sliding fitting seat 21 and toward the upper pin shaft seat 22, the groove plate 211 protrudes out of the right side surface of the left barrier frame 111 and is provided with an upper pin shaft sliding groove 2111 on the groove plate 211, the upper pin shaft seat 22 is welded and fixed to the right barrier frame 121 at a position corresponding to the right barrier frame upper hinge cavity 1211, one end of the upper pin shaft sliding fitting seat 22 protrudes out of the left side surface of the right barrier frame 121 toward the upper pin shaft sliding fitting seat 21 and is fixed with an upper pin shaft 221 at an upward side, and the upper pin shaft 221 protrudes into the upper pin shaft sliding groove 2111 from a lower side of the groove plate 211.
The lower hinge mechanism 3 includes a horizontal axis pin seat 31, a vertical axis pin seat 32, a vertical axis pin 33, a hinge seat 34 and a horizontal axis pin 35, the horizontal axis pin seat 31 is fixed to the lower portion of the right side surface of the left barrier frame 111, the main axis pin seat 32 is welded to the lower portion of the left side surface of the right barrier frame 121, the vertical axis pin 33 is fixed (preferably welded) to the upward side of the vertical axis pin seat 32, the hinge seat 34 is rotatably fitted over the vertical axis pin 33, and the horizontal axis pin 35 is fixed to the side of the hinge seat 34 facing the horizontal axis pin seat 31 and pivotally engaged with the horizontal axis pin seat 31. The hinge base 34 maintains a moving range or a displacement margin of the vertical displacement on the vertical shaft pin 33.
As shown in fig. 1, the horizontal axis pin boss 31 is formed with a horizontal axis pin boss bent portion 311, and the horizontal axis pin 35 is pivotally engaged with the horizontal axis pin boss bent portion 311.
A horizontal shaft pin boss 3111 is sheathed in the horizontal shaft pin boss bent portion 311, the horizontal shaft pin 35 is pivotally engaged with the horizontal shaft pin boss 3111, and a horizontal shaft pin restricting nut 351 is disposed at an end portion of the horizontal shaft pin 35 protruding out of the horizontal shaft pin boss 3111.
Continuing to refer to fig. 1, a vertical shaft pin sleeve 341 is sheathed on the hinge base 34 at a position corresponding to the vertical shaft pin 33, the vertical shaft pin 33 is pivotally engaged with the vertical shaft pin sleeve 341, and a vertical shaft pin limiting nut 331 is provided at an end of the vertical shaft pin 33 protruding out of the vertical shaft pin sleeve 341.
Preferably, a transverse pin washer 352 is provided on the transverse pin 35 at a position corresponding to between the transverse pin limiting nut 351 and the end surface of the transverse pin sleeve 3111; a vertical pin washer 332 is provided on the vertical pin 33 at a position corresponding to between the vertical pin restricting nut 331 and the end surface of the vertical pin boss 341.
As shown in fig. 2, a left barrier frame guiding rotary wheel 1112 is provided at a bottom of the left barrier frame 111 and at a position away from an end of the right barrier frame 121, where the end away from the right barrier frame 121 is referred to as a state where the left barrier frame 111 is in an unfolded state and forms a straight line with the right barrier frame 121 as shown in fig. 2.
Referring to fig. 2, the left mesh sheet 112 and the left barrier frame 11 are fixed to face outward in a use state, and the right mesh sheet 122 and the right barrier frame 12 are fixed to face outward in a use state.
When the obstacles are arranged, namely, when the obstacles are arranged, the plurality of obstacle units 1 are taken down from the vehicle such as the above-mentioned barrier control operation vehicle or special vehicle. When the left barrier frame 111 is to be unfolded and brought into the state shown in fig. 2, the left barrier frame 111 is pulled by a sealing operator such as a military or police officer, and in the process, the left barrier frame 111 is unfolded in a guiding state where the left barrier frame guide turn wheel 1112 is attached to the floor. When encountering a bump on a floor, the left barrier frame 111 is jacked up by the bump, the upper pin shaft sliding matching seat 21 of the upper hinge mechanism 2 and the cross shaft pin seat 31 of the lower hinge mechanism 3 correspondingly move upwards along with the left barrier frame 111, so that the bottom of the left barrier frame 111 is ensured to be in contact with the floor, otherwise, the same example is adopted.
In conclusion, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the invention task and truly realizes the technical effects of the applicant in the technical effect column.
Claims (8)
1. A movable connecting device of a net barrier body is characterized in that the net barrier body comprises a plurality of barrier body units (1), each barrier body unit (1) comprises a left barrier body (11) and a right barrier body (12), the left barrier body (11) is composed of a left barrier frame (111) and a left net piece (112) fixed on the left barrier frame (111), the right barrier body (12) is composed of a right barrier frame (121) and a right net piece (122) fixed on the right barrier frame (121), the movable connecting device comprises an upper hinge mechanism (2) and a lower hinge mechanism (3), the upper hinge mechanism (2) is connected to the upper portion between the left barrier frame (111) and the right barrier frame (121), and the lower hinge mechanism (3) is connected to the lower portion between the left barrier frame (111) and the right barrier frame (121); a left barrier frame upper hinge cavity (1111) is formed at the upper part of the left barrier frame (111) facing to the right barrier frame (121) in the height direction, a right barrier frame upper hinge cavity (1211) is formed at the upper part of the right barrier frame (121) facing to the left barrier frame (111) in the height direction, the upper hinge mechanism (2) is connected between the left barrier frame upper hinge cavity (1111) and the right barrier frame upper hinge cavity (1211), and the lower hinge mechanism (3) is connected between the lower part of the right side surface of the left barrier frame (111) and the lower part of the left side surface of the right barrier frame (121); the upper hinge mechanism (2) comprises an upper pin shaft sliding matching seat (21) and an upper pin shaft seat (22), the upper pin shaft sliding matching seat (21) is fixed with the left barrier frame (111) at a position corresponding to the upper hinge cavity (1111) of the left barrier frame, a groove plate (211) extends on the upper part of the pin shaft sliding matching seat (21) and faces the direction of the upper pin shaft seat (22), the groove plate (211) extends out of the right side surface of the left barrier frame (111) and is provided with an upper pin shaft sliding groove (2111) on the groove plate (211), the upper pin shaft seat (22) is fixed with the right barrier frame (121) at a position corresponding to the upper hinge cavity (1211) of the right barrier frame, the upper pin shaft seat (22) extends out of the left side surface of the right barrier frame (121) and is fixed with an upper pin shaft (221) at one upward side, and the upper pin shaft (221) enters the upper pin shaft sliding matching seat (211) from the upper shaft sliding groove (2111) of the upper groove plate; the lower hinge mechanism (3) comprises a transverse shaft pin seat (31), a vertical shaft pin fixing seat (32), a vertical shaft pin (33), a hinge seat (34) and a transverse shaft pin (35), the transverse shaft pin seat (31) is fixed with the lower portion of the right side face of the left barrier frame (111), the main shaft pin fixing seat (32) is fixed with the lower portion of the left side face of the right barrier frame (121), the vertical shaft pin (33) is fixed with the upward side of the vertical shaft pin fixing seat (32), the hinge seat (34) is rotatably sleeved on the vertical shaft pin (33), and the transverse shaft pin (35) is fixed on the side, facing the transverse shaft pin seat (31), of the hinge seat (34) and is in pivot fit with the transverse shaft pin seat (31).
2. The flexible attachment system for a barrier net according to claim 1 wherein said cross-axis pin mount (31) is formed with a cross-axis pin mount bend (311) and said cross-axis pin (35) is pivotally engaged with said cross-axis pin mount bend (311).
3. The removable connection of a barrier net according to claim 2, wherein a cross pin boss (3111) is sheathed on the cross pin boss bending part (311), the cross pin (35) is pivotally engaged with the cross pin boss (3111), and a cross pin limiting nut (351) is provided at the end of the cross pin (35) extending out of the cross pin boss (3111).
4. The articulated connection of barrier members according to claim 1, wherein a stud bush (341) is sheathed on the hinge seat (34) at a position corresponding to the stud pin (33), the stud pin (33) being in pivotal engagement with the stud bush (341) and a stud pin limiting nut (331) being provided at the end of the stud pin (33) projecting out of the stud bush (341).
5. The articulated connection of barrier net according to claim 3, characterized in that a cross pin washer (352) is provided on the cross pin (35) and in a position corresponding between the cross pin limiting nut (351) and the end face of the cross pin bushing (3111).
6. The articulated attachment of barrier net according to claim 4, characterized in that a stud washer (332) is provided on the stud pin (33) and in a position corresponding to between the stud pin limiting nut (331) and the end face of the stud pin sleeve (341).
7. The movable connection device of net barrier body according to claim 1, characterized in that a left barrier frame guiding rotary wheel (1112) is arranged at the bottom of the left barrier frame (111) and at a position far away from one end of the right barrier frame (121).
8. The device for movably connecting a barrier as claimed in claim 1, wherein said left mesh (112) is fixed to an outwardly facing side of said left barrier frame (111) in a use state, and said right mesh (122) is fixed to an outwardly facing side of said right barrier frame (121) in a use state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022618.6A CN107964886B (en) | 2018-01-10 | 2018-01-10 | Movable connecting device of net barrier body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022618.6A CN107964886B (en) | 2018-01-10 | 2018-01-10 | Movable connecting device of net barrier body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107964886A CN107964886A (en) | 2018-04-27 |
| CN107964886B true CN107964886B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810022618.6A Active CN107964886B (en) | 2018-01-10 | 2018-01-10 | Movable connecting device of net barrier body |
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| CN (1) | CN107964886B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3611304B1 (en) * | 2018-08-15 | 2023-07-05 | Allied Tube & Conduit Corporation | Razor panel barrier |
| CN110106804A (en) * | 2019-05-17 | 2019-08-09 | 重庆德旭企业管理有限公司 | A kind of environmental protection is in the way device |
| CN112627008A (en) * | 2020-12-17 | 2021-04-09 | 陈文涛 | Emergency danger avoiding device for highway bridge |
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|---|---|---|---|---|
| CN1888318A (en) * | 2006-07-14 | 2007-01-03 | 常熟华东汽车有限公司 | Road barricade vehicle |
| CN103015790A (en) * | 2013-01-16 | 2013-04-03 | 明光市浩淼消防科技发展有限公司 | Mesh laying and collecting device of barbed wire mesh |
| CN106382067A (en) * | 2015-07-26 | 2017-02-08 | 李江平 | Refrigerator door hinge chain |
| CN207714195U (en) * | 2018-01-10 | 2018-08-10 | 常熟华东汽车有限公司 | The articulating device of net barrier barrier body |
-
2018
- 2018-01-10 CN CN201810022618.6A patent/CN107964886B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888318A (en) * | 2006-07-14 | 2007-01-03 | 常熟华东汽车有限公司 | Road barricade vehicle |
| CN103015790A (en) * | 2013-01-16 | 2013-04-03 | 明光市浩淼消防科技发展有限公司 | Mesh laying and collecting device of barbed wire mesh |
| CN106382067A (en) * | 2015-07-26 | 2017-02-08 | 李江平 | Refrigerator door hinge chain |
| CN207714195U (en) * | 2018-01-10 | 2018-08-10 | 常熟华东汽车有限公司 | The articulating device of net barrier barrier body |
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| CN107964886A (en) | 2018-04-27 |
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