CN212130155U - Assembled road temporary maintenance protection isolation device - Google Patents

Assembled road temporary maintenance protection isolation device Download PDF

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Publication number
CN212130155U
CN212130155U CN202020111183.5U CN202020111183U CN212130155U CN 212130155 U CN212130155 U CN 212130155U CN 202020111183 U CN202020111183 U CN 202020111183U CN 212130155 U CN212130155 U CN 212130155U
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CN
China
Prior art keywords
protection
protection plate
plate
isolation device
dovetail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020111183.5U
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Chinese (zh)
Inventor
田昌凤
夏友辉
王威钦
袁明红
刘国君
晏祥智
杨映红
何剑
王玉松
杨成周
陈晓峰
王薇焱
曾庆友
张洲畅
罗兴英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yunnan Real Estate Development Group Co ltd
Yunnan Construction and Investment Holding Group Co Ltd
Original Assignee
Yunnan Real Estate Development Group Co ltd
Yunnan Construction and Investment Holding Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yunnan Real Estate Development Group Co ltd, Yunnan Construction and Investment Holding Group Co Ltd filed Critical Yunnan Real Estate Development Group Co ltd
Priority to CN202020111183.5U priority Critical patent/CN212130155U/en
Application granted granted Critical
Publication of CN212130155U publication Critical patent/CN212130155U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an assembled road temporary maintenance protection and isolation device, which comprises a protection plate and a support piece, wherein, a plurality of buffer bodies are arranged on one end surface of the protection plate, a silencing body is coaxially arranged in each buffer body, and silencing filler is filled in the silencing body; a supporting piece is arranged on the other end face of the protection plate and is hinged with the protection plate through a rotating shaft, and a plurality of dovetail clamps are arranged on one side of the protection plate; and a plurality of dovetail grooves are formed in the other side of the protection plate. The utility model discloses a convenient to use, the security performance is high, has better shock-absorbing capacity and noise cancelling performance and the characteristics that the warning was reminded, effectively reduces the degree that driver and crew received the injury, and when the impact is less, the guard plate cushions, and a plurality of buffers can satisfy the striking to effectively subduct the impact, can reduce the damage to the vehicle, also guaranteed safety when increase of service life, improved protection isolating device's structural strength, make it avoid taking place the damage because of the striking.

Description

Assembled road temporary maintenance protection isolation device
Technical Field
The utility model relates to a road temporary maintenance protects isolating device, specificly is a road temporary maintenance protects isolating device who relates to an assembled, is mainly used for building job sites such as highway or bridge to carry out safety protection, plays the safety construction, plays when realizing the construction and reminds or the interception crowd or the vehicle is current, plays the safety protection effect, belongs to road traffic management construction technical field.
Background
Generally, road isolation devices are common public facilities, which are often arranged in the middle or at two sides of a road to separate the road and allow different pedestrians or vehicles to pass through the specified road. At present, the reflecting markers are not usually arranged on the domestic isolating devices, the isolating devices are not easy to see when vehicles pass at night, the safe driving of the vehicles is not facilitated, the types of the isolating devices used in various big cities are different, the isolating devices with a plurality of types are complex in structure and high in manufacturing cost, the wide popularization and the use are not facilitated, and the standard unified management of the isolating devices is not facilitated.
At present, access & exit of job site or other public occasions, the place that the limited car passes through often adopts the safety cone to keep apart, but the safety cone is too little, and the sign is not obvious, and the safety cone quantity that long distance isolation road needs is great, and manual handling is inconvenient, and the removal roadblock that uses at present is bulky be unfavorable for carrying, folding on-vehicle folding roadblock folding back small-size car still can't load, carry inconvenient while also can not carry out the ann according to actual construction situation's needs and tear the equipment open, in a word, often very inconvenient.
Therefore, it is a key point to solve the above technical problems to develop an assembled temporary road maintenance protection and isolation device with high practicability and safety.
Disclosure of Invention
To a great deal of defect and not enough that exist among the above-mentioned background art, the utility model discloses improve and the innovation to this, aim at provides one kind can effectively solve among the prior art that the construction speed that the fence exists is slow, construction cost is high, the installation is dismantled multiple shortcoming such as inflexible, can not recycle, provides an installation dismantles equipment convenience, installation effectiveness is higher, cyclic utilization's interim safety protection isolating device for building site.
The other purpose of the utility model is to realize simple and light structure, convenient operation, temporary closure of bridge or road, effective and reliable protection, prevention of potential safety hazard, realization of tool and repeated utilization of the protection device, and accordance with the requirement of green construction;
the utility model discloses still another invention purpose can realize that the job site recycles many times, reaches material saving, uses in a flexible way, has the mobility, also realizes furthest's assurance constructor personal safety when protective effect preferred, wholeness are looked well.
In order to solve the above problems and achieve the above object, the present invention provides an assembled temporary road maintenance protection and isolation device, which is realized by adopting the following design structure and the following technical scheme:
as the improvement of the assembled temporary road maintenance protective isolation device of the utility model, the device comprises a protection plate (1) and a support piece (2), wherein, a plurality of buffer bodies (3) are arranged on one end surface of the protection plate (1), a silencing body (4) is coaxially arranged in each buffer body (3), and silencing filler is filled in the silencing body (4); a supporting piece (2) is arranged on the other end face of the protection plate (1), the supporting piece (2) is hinged with the protection plate (1) through a rotating shaft, and a plurality of dovetail clamps (11) are arranged on one side of the protection plate (1); the other side of the protection plate (1) is provided with a plurality of dovetail grooves (12).
As the improvement of the utility model, the whole protection plate (1) is a plate-shaped member, the bottom of the plate-shaped member is in contact with the ground, the top of the plate-shaped member is provided with a sleeve (5), and the sleeve (5) is hinged with the protection plate (1) through a shaft.
As the further improvement of the utility model, the protection plate (1) is also provided with a hollow-out handle (13), and the handle (13) is arranged in the middle of the upper end of the protection plate (1); the sleeve (5) is a hollow tubular component with internal threads inside.
As the above further improvement of the present invention, the supporting member (2) is an integral bracket made of square steel and having an "omega" shape, a "U" shape or a "T" shape.
As the above mentioned further improvement of the present invention, the whole of the buffer body (3) is a semi-tubular member made of plastic or rubber, and the semi-annular part on the outer surface of the semi-tubular member is provided with a plurality of granular rubber protection protrusions (31).
As the utility model discloses foretell further improvement again, the whole semitubular component that forms for moulding or rubber preparation of amortization body (4), the cavity intussuseption at this semitubular component is filled with the amortization filler, and the amortization filler is foam or rubber grain or is the air bag ball.
As a still further improvement of the above structure of the present invention, the dovetail clip (11) extends outward from one side edge of the protection plate (1); the dovetail groove (12) extends inwards from the edge of the other side of the protection plate (1).
As a still further improvement of the above structure of the present invention, the dovetail clip (11) is a trapezoidal component, and the trapezoidal component is welded to the protection plate (1) or directly processed into an integrally formed structure; the dovetail groove (12) is of a trapezoidal structure as a whole, and the dovetail groove (12) of the trapezoidal structure is matched with the dovetail card (11) in shape and size.
As the utility model discloses foretell still further improvement again, this interim road maintenance protection isolating device is formed by connecting according to the preface in bank a plurality of guard plates (1), wherein, is connected as a whole through dovetail card (11) and dovetail (12) kiss the block between two adjacent guard plates (1).
As the utility model discloses the foretell still further improvement more, all from interior to outer according to the preface spraying have injection moulding layer and antirust coat and warning layer on the surface of guard plate (1), support piece (2) and the buffering body (3) and the amortization body (4), scribble phosphor powder on the warning layer.
The working principle is as follows: an assembled road temporary maintenance protection isolation device with the design structure needs to be installed for standby before being used.
During installation, firstly, a route on a road (7) where the protective and isolating device needs to be placed is planned, meanwhile, the total number of temporary road maintenance protective and isolating devices needing to be paved is calculated according to the route of the protective and isolating device, and then the temporary road maintenance protective and isolating devices are transported to a construction site to be assembled for standby.
When in assembly, an operator assembles from a near to far sequence, a plurality of protection plates (1) are connected in rows in sequence, and the dovetail card (11) in two adjacent protection plates (1) is vertically placed in the dovetail groove (12), so that the two adjacent protection plates (1) are matched, clamped and connected into a whole by the dovetail card (11) and the dovetail groove (12), the support piece (2) at the lower end of one side of each protection plate (1) is opened to enable the free end to be contacted with the ground to form a stable support, the temporary maintenance protection and isolation device of the whole road can be paved by the same method, then the operator detachably installs a pre-manufactured warning plate (6) on the sleeve (5) by the warning plate fixing piece at the lower end and screws the warning plate (6) by the internal and external threads to enable the warning plate to be stable and firm, can put a plurality ofly according to the width of road (7) according to the coaxial line of the width in proper order in rows according to foretell method the utility model relates to a safety protection is realized to the interim maintenance of road protection isolating device of structure, and the interim maintenance of road protection isolating device that should pour at last can use.
During the use, operating personnel only need through this safe space scope of being formed by a plurality of guard plates (1) equipment isolation carry on corresponding construction work such as road maintenance can.
Finally, as time goes on, after the road construction work is finished, the device needs to be taken away, before the device is taken away, an operator needs to unscrew the warning board (6) in advance to enable the warning board to be in a separated state with the sleeve (5), finally the warning board (6) is unscrewed and pulled out from the sleeve (5) to enable the warning board to be separated from the protection plate (1), then the isolation device is taken away, when the warning board is taken away, the two adjacent channel plate dovetail cards (11) are vertically pulled out from the dovetail grooves (12) to be separated, all the protection plates (1) on the road temporary maintenance protection isolation device can be separated by the same method, after separation, the support piece (2) is folded to be attached to the protection plates (1) into a whole, then after cleaning, tidying and repairing, the isolation device can be carried to a storage warehouse for storage through manpower or carrying equipment, for the next circulation.
Compared with the prior art, the utility model produced beneficial effect is:
1. the utility model has the advantages of simple structure, convenient operation, mobility, convenient device transportation, convenient placement of warning boards or warning boards through the matching of the sleeve and the warning board fixing piece, traffic safety publicity, and the temporary road plugging isolation protection device has the characteristics of reasonable structure, good safety, convenient movement and transportation, and wide application;
2. the utility model discloses a convenient to use, the security performance is high, has better shock-absorbing capacity and noise cancelling performance and the characteristics of warning, effectively reduces the degree that driver and crew are hurt, and when the impact is less, the guard plate cushions, and a plurality of buffers can satisfy the striking to effectively subduct the impact, can reduce the damage to the vehicle, have guaranteed safety when prolonging service life, have improved the structural strength who protects isolating device, make it avoid taking place the damage because of the striking, the setting of reflective paint can remind driving personnel to pay attention to safety at night;
3. the utility model can be temporarily assembled according to the need during construction, which can prevent foreign matters from entering or flying out to obstruct the operation, and the outside of the protection plate is provided with a buffer body, thereby reducing the damage degree caused by accidents and the noise pollution generated during construction operation;
4. the utility model discloses a warning sign has the warning function to vehicle and pedestrian that pass by, prevents that vehicle and pedestrian from appearing the traffic accident, has very big practicality, and can warn the vehicle of coming and going under the condition of night or sight blurring, and the practicality is strong, and the value is used widely, and simultaneously, the warning lacquer that sets up on the protector has reflection of light sign, and the vehicle of coming and going can clearly see the position that protection isolating device is located through the warning lacquer at night;
5. the utility model has reasonable structure, beautiful appearance, long service life, convenient carrying and transportation, small occupied space area when being folded, saved construction time, improved construction efficiency, long service life, improved road traffic safety, and meets the use requirements of safety protection and isolation in the current road or bridge construction;
6. the utility model is simple to use and easy to be understood by workers; the protection and isolation effects are obvious; the maintenance and the replacement are convenient; the steel can be repeatedly used, and part of components can be processed by using waste steel in a construction site, so that the steel accords with green construction;
7. the utility model discloses an scribble anti-rust paint on the outside, consequently also prolonged the life of whole device when can prevent to rust, also saved the resource when realizing the environmental protection, simultaneously, scribble the fluorescent material that can self-luminous in the outside of device, can clearly mark the position of this protection isolating device in night or darkroom and underground construction environment, send the warning for pedestrian and vehicle, can play the effect of safety prompt effectively;
8. the utility model adopts the utility model which is made by the uniform specification and the making method, can keep the standardized construction to the maximum extent, and is beneficial to the cleanness and tidiness of the construction environment of the construction site; moreover, the utility model discloses a device can reuse many times, also can satisfy economic rationality's requirement.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a rear view of the present invention;
fig. 4 is one of the schematic views of the usage state of the present invention;
fig. 5 is a second schematic view illustrating the usage state of the present invention;
wherein, the reference numbers in the figures: 1-protective plate, 11-dovetail card, 12-dovetail groove, 13-handle;
2-a support member;
3-buffer, 31-protective protrusion;
4, a silencing body;
5, sleeving a sleeve;
6-warning board;
7-road.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description, and it should be noted that the embodiments and the features of the embodiments in the present application can be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The assembled temporary road maintenance protection and isolation device comprises a protection plate 1 and a support member 2, wherein a plurality of buffer bodies 3 are arranged on one end surface of the protection plate 1, a silencing body 4 is coaxially arranged in each buffer body 3, and silencing filler is filled in each silencing body 4; the other end face of the protection plate 1 is provided with a support piece 2, the support piece 2 is hinged with the protection plate 1 through a rotating shaft, and one side of the protection plate 1 is provided with a plurality of dovetail clamps 11; the other side of the protection plate 1 is provided with a plurality of dovetail grooves 12.
Further, the whole protection plate 1 is a plate-shaped body member, the bottom of the plate-shaped body member is in contact with the ground, the top of the plate-shaped body member is provided with a sleeve 5, and the sleeve 5 is hinged with the protection plate 1 through a shaft.
The utility model discloses in, all from interior to outer according to the preface spraying have the layer of moulding plastics and antirust coat and warning layer on sleeve 5's surface, scribble phosphor powder on the warning layer.
Specifically, a high-molecular wear-resistant material is injected on the injection molding layer; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint; the warning layer is a yellow or black reflective warning tape or a reflective color film or reflective paint.
Specifically, a hollow-out handle 13 is further arranged on the protection plate 1, and the handle 13 is arranged in the middle of the upper end of the protection plate 1; the sleeve 5 is a hollow tubular member with internal threads inside.
Furthermore, the supporting member 2 is an integral bracket which is made of square steel and is in an omega shape or a U shape or a T shape.
Further, the whole of the cushion body 3 is a semi-tubular member made of plastic or rubber, and a plurality of granular rubber protection protrusions 31 are annularly arranged on the upper half of the outer surface of the semi-tubular member.
Further, the cushion body 3 is provided along the length direction or the width direction of the protection plate 1.
Specifically, the utility model discloses in, the buffering body 3 sets up transversely along the width direction of guard plate 1 and sets up.
Furthermore, the whole body of the silencing body 4 is a semi-tubular member made of plastic or rubber, a cavity of the semi-tubular member is filled with silencing filler, and the silencing filler is foam or rubber particles or air bag balls.
Further, the dovetail card 11 extends outwards from one side edge of the protection plate 1; the dovetail groove 12 extends inwards from the edge of the other side of the protection plate 1.
Furthermore, the dovetail card 11 is a trapezoidal component as a whole, and the trapezoidal component and the protection plate 1 are connected by welding or directly processed into an integrally formed structure; the dovetail groove 12 is of a trapezoidal structure as a whole, and the dovetail groove 12 of the trapezoidal structure is matched with the dovetail card 11 in shape and size.
More specifically, four dovetail clips 11 are arranged on one side of the protection plate 1, and the distances between the adjacent dovetail clips 11 are the same; four dovetail grooves 12 are formed in the other side of the protection plate 1, and the distances between the adjacent dovetail grooves 12 are the same.
Further, the road temporary maintenance protection isolation device is formed by connecting a plurality of protection plates 1 in a row in sequence, wherein two adjacent protection plates 1 are connected into a whole through a dovetail card 11 and a dovetail groove 12 in a matched clamping manner.
Further, all from interior to outer spraying according to the preface has injection moulding layer and antirust coat and warning layer on the surface of guard plate 1, support piece 2 and the buffer 3 and the amortization body 4, scribbles phosphor powder on the warning layer.
Specifically, a high-molecular wear-resistant material is injected on the injection molding layer; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint; the warning layer is a yellow or black reflective warning tape or a reflective color film or reflective paint.
To sum up, the utility model discloses more specific embodiment is:
an assembled road temporary maintenance protection isolation device with the design structure needs to be installed for standby before being used.
During installation, firstly, a route on the road 7 where the protective and isolating device needs to be placed is planned, meanwhile, the total number of the temporary road maintenance protective and isolating devices needing to be paved is calculated according to the route of the protective and isolating device, and then the temporary road maintenance protective and isolating devices are transported to a construction site to be assembled for standby.
During the equipment, operating personnel from nearly gradually distant order equipment, a plurality of guard plates 1 are connected in a row in proper order and form, and make two piece adjacent guard plates 1 in forked tail card 11 place perpendicularly with in the dovetail 12, thereby make between two adjacent guard plates 1 through forked tail card 11 with dovetail 12 match block connect for a whole, and with its support piece 2 that is located every guard plate 1 one side lower extreme open it and make its free end contact with ground and form firm support, can lay whole road temporary maintenance protection isolating device with same method, afterwards, operating personnel again with the warning sign 6 of having made in advance through the warning sign mounting detachably of lower extreme install on sleeve 5, and screw it through the mode of internal and external screw thread, make it firm, can according to foretell method according to the width of road 7 according to the preface in a row ground coaxial line put a plurality of the utility model relates to a road temporary protection maintenance isolating device of structure realizes safety And (4) protecting, and finally using the poured temporary road maintenance protection isolating device.
During the use, operating personnel only need through this safe space scope of forming by the equipment isolation of a plurality of guard plates 1 carry out corresponding construction work such as road maintenance can.
Finally, as time goes on, after the road construction work is finished, the device needs to be taken away, before the device is taken away, an operator needs to unscrew the warning board 6 in advance to enable the warning board 6 to be in a separated state from the sleeve 5, finally, the warning board 6 is unscrewed and pulled out from the sleeve 5 to enable the warning board to be separated from the protection plate 1, then, the isolation device is taken away, when the warning board is taken away, the two adjacent channel plate dovetail cards 11 are pulled out and separated from the dovetail grooves 12 vertically, all the protection plates 1 on the road temporary maintenance protection isolation device can be separated in the same method, after separation, the support piece 2 is folded to be attached to the protection plates 1 into a whole, and then, after the isolation device is cleaned, arranged and repaired, the isolation device can be carried to a storage warehouse for storage through manpower or carrying equipment to be recycled for the next time.
It is right above the utility model provides an assembled road interim maintenance protection isolating device has carried out detailed introduction, and is right herein the utility model discloses a principle has described, and the explanation of above theory of operation is only used for helping to understand the utility model discloses a core thought. It should be noted that, for those skilled in the art, the present invention can be modified and modified without departing from the principle of the present invention, and the modified and modified embodiments also fall into the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides an assembled road temporary maintenance protects isolating device which characterized in that: the novel noise reduction plate comprises a protection plate (1) and a support piece (2), wherein a plurality of buffer bodies (3) are arranged on one end face of the protection plate (1), a noise reduction body (4) is coaxially arranged in each buffer body (3), and noise reduction filler is filled in each noise reduction body (4); a supporting piece (2) is arranged on the other end face of the protection plate (1), the supporting piece (2) is hinged with the protection plate (1) through a rotating shaft, and a plurality of dovetail clamps (11) are arranged on one side of the protection plate (1); the other side of the protection plate (1) is provided with a plurality of dovetail grooves (12).
2. The assembled road temporary maintenance protective isolation device of claim 1, wherein: the whole protection plate (1) is a plate-shaped member, the bottom of the plate-shaped member is in contact with the ground, a sleeve (5) is arranged at the top of the plate-shaped member, and the sleeve (5) is hinged to the protection plate (1) through a shaft.
3. The assembled road temporary maintenance protective isolation device of claim 2, wherein: the protective plate (1) is further provided with a hollow-out handle (13), and the handle (13) is arranged in the middle of the upper end of the protective plate (1); the sleeve (5) is a hollow tubular component with internal threads inside.
4. The assembled road temporary maintenance protective isolation device of claim 1, wherein: the support piece (2) is an integral bracket which is in an omega shape or a U shape or a T shape and is made of square steel.
5. The assembled road temporary maintenance protective isolation device of claim 1, wherein: the whole buffer body (3) is a semi-tubular component made of plastics or rubber, and a plurality of granular rubber protection protrusions (31) are annularly arranged on the upper half of the outer surface of the semi-tubular component.
6. The assembled road temporary maintenance protective isolation device of claim 1, wherein: the whole of the silencing body (4) is a semi-tubular member made of plastics or rubber, silencing filler is filled in a cavity of the semi-tubular member, and the silencing filler is foam or rubber particles or air bag balls.
7. The assembled road temporary maintenance protective isolation device of claim 1, wherein: the dovetail card (11) extends outwards from the edge of one side of the protection plate (1); the dovetail groove (12) extends inwards from the edge of the other side of the protection plate (1).
8. An assembled temporary road repair protection and isolation device according to claim 7, wherein: the dovetail card (11) is integrally a trapezoidal component, and the trapezoidal component is welded with the protection plate (1) or directly processed into an integrally formed structure; the dovetail groove (12) is of a trapezoidal structure as a whole, and the dovetail groove (12) of the trapezoidal structure is matched with the dovetail card (11) in shape and size.
9. The assembled road temporary maintenance protective isolation device of claim 1, wherein: the road temporary maintenance protection isolation device is formed by connecting a plurality of protection plates (1) in rows in sequence, wherein two adjacent protection plates (1) are connected into a whole through a dovetail card (11) and a dovetail groove (12) in a matched clamping manner.
10. The assembled road temporary maintenance protective isolation device of claim 1, wherein: all from interior to outer spraying according to the preface has injection moulding layer and antirust coat and warning layer on the surface of guard plate (1), support piece (2) and the buffering body (3) and the amortization body (4), scribbles phosphor powder on the warning layer.
CN202020111183.5U 2020-01-17 2020-01-17 Assembled road temporary maintenance protection isolation device Expired - Fee Related CN212130155U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020111183.5U CN212130155U (en) 2020-01-17 2020-01-17 Assembled road temporary maintenance protection isolation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020111183.5U CN212130155U (en) 2020-01-17 2020-01-17 Assembled road temporary maintenance protection isolation device

Publications (1)

Publication Number Publication Date
CN212130155U true CN212130155U (en) 2020-12-11

Family

ID=73675912

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020111183.5U Expired - Fee Related CN212130155U (en) 2020-01-17 2020-01-17 Assembled road temporary maintenance protection isolation device

Country Status (1)

Country Link
CN (1) CN212130155U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201211

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CF01 Termination of patent right due to non-payment of annual fee