CN107134215A - A kind of bridge speed limit direction board fixing device - Google Patents
A kind of bridge speed limit direction board fixing device Download PDFInfo
- Publication number
- CN107134215A CN107134215A CN201710124681.6A CN201710124681A CN107134215A CN 107134215 A CN107134215 A CN 107134215A CN 201710124681 A CN201710124681 A CN 201710124681A CN 107134215 A CN107134215 A CN 107134215A
- Authority
- CN
- China
- Prior art keywords
- sliding groove
- pedestal
- direction board
- locking
- trolley shoe
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F2007/1856—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the supporting structure
- G09F2007/186—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the supporting structure suspended, e.g. secured to the ceiling
Abstract
The invention discloses a kind of bridge speed limit direction board fixing device, including pedestal and the direction board portion being arranged on below pedestal, the top of pedestal is provided with hanger bar, pedestal is fixedly connected with hanger bar by connecting rod, cavity is provided with pedestal, what is matched on the inwall of the cavity left and right sides slips groove provided with first, become estranged cavity side at the top of first sliding groove provided with the second sliding groove, slide guide bar in second sliding groove provided with trolley shoe and with the sliding cooperation of trolley shoe, pierced on the inside of trolley shoe in the first sliding groove and sliding cooperation, trolley shoe bottom in first sliding groove is provided with Fastener, cavity inner roof wall is provided with the check lock lever extended downwards, lower section is provided with the lock chambers of zygomorphism in check lock lever, baffle plate is provided between the lock chambers of the left and right sides, the 3rd sliding groove is equipped with the top of each lock chambers, latch segment is provided with lock chambers；The present invention is simple in construction, is easily installed and dismantles, and reduction personnel ascend a height time operation, and it is high to install steadiness, is not likely to produce loosening.
Description
Technical field
The present invention relates to bridge facility technical field, particularly a kind of bridge speed limit direction board fixing device.
Background technology
More speed limit indication plate is provided with some bridge roads, its main function is pacified to ensure to drive a vehicle
Entirely, reduce due to the traffic accident driven over the speed limit and triggered, existing speed limit direction board is typically all to pass through bolt when mounted
Or other fasteners are fixed on the support frame above road, its installation process is relatively complicated, meanwhile, speed limit direction board meeting
Adjusted therewith according to the change of actual bridge road situation, so when speed limit direction board is changed in adjustment, need to first pass through
Extracting tool is dismantled to bolt or other fasteners, and it has that replacing difficulty is larger and changes speed, sternly
Ghost image rings operating efficiency.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of bridge speed limit direction board fixing device, and it can solve the problem that
The problem of stating now in the art.
The present invention is achieved through the following technical solutions：A kind of bridge speed limit direction board fixing device of the present invention,
Including pedestal and the direction board portion being arranged on below the pedestal, the top of the pedestal is provided with hanger bar, the pedestal with
The hanger bar is fixedly connected by connecting rod, is provided with what is matched on cavity, cavity left and right sides inwall in the pedestal
Provided with the first sliding groove, the cavity side is become estranged at the top of the described first sliding groove provided with the second sliding groove, described second slips
Described first is pierced on the inside of slide guide bar in groove provided with trolley shoe and with the sliding cooperation of the trolley shoe, the trolley shoe to slip
Groove is interior and slips cooperation, and the trolley shoe bottom in the described first sliding groove is provided with Fastener, and the cavity inner roof wall is provided with
The check lock lever extended downwards, lower section is provided with the lock chambers of zygomorphism in the check lock lever, the lock chambers of the left and right sides it
Between be provided with the top of baffle plate, each lock chambers and be equipped with the 3rd sliding groove, be provided with latch segment, the locking in the lock chambers
Block inner side end is provided with the second spring element, and the latch segment becomes estranged the second spring element side provided with penetrating the check lock lever bar
Interior jacking block is provided with the inside of body and the locking plagiocephaly pierced into the cavity, the latch segment top end face along side, the described 3rd slides
It is provided with the baffle plate between access slot in motor, the described 3rd sliding groove and is provided with stud, the stud and the motor running
It is connected, spiral line is connected with the outside of junction piece, the junction piece bottom face and is provided with outer top along side on the stud
Block, the direction board portion includes supporting plate and the slotting axle being fixedly installed at the top of the supporting plate, and the supporting plate bottom face is provided with board
Frame, the board inframe is provided with to be provided with scarfing slot, the motor in speed(-)limit sign, the pedestal of the cavity bottom and is provided with
Denoising device.
On the outside of the slide guide bar of the trolley shoe inner top in preferably technical scheme, the described second sliding groove
Provided with hole slot, the slide guide bar outer face above the hole slot is wrapped with the first spring element.
The locking slot being connected with the check lock lever is provided with preferably technical scheme, the slotting axle, it is described to insert
It is provided with to slip with the described first sliding groove along side at the top of the axle left and right sides and is set in the clamping block coordinated, the clamping block top end face
There is the card tieholen being connected with the Fastener, the locking slot inner top is provided with to slip with the locking plagiocephaly along side matches somebody with somebody
Match on the oblique angle groove of conjunction, the locking slot lower inside left and right sides inwall provided with the lock being connected with the locking plagiocephaly
Tieholen.
Preferably technical scheme, sets outside the motor in the denoising device week, the denoising device is by noise reduction cotton
Enrich, the noise reduction cotton can fully reduce the noise produced among the motor operation, lifting device overall performance and quality.
The beneficial effects of the invention are as follows：
1. roof sets the lock chambers that lower section in the check lock lever extended downwards, check lock lever sets zygomorphism, left and right two in transit chamber body
It is baffled between the check lock lever of side, it is all provided with setting on the inside of latch segment, latch segment in the 3rd sliding groove, lock chambers at the top of each lock chambers
End face sets the second spring element, and latch segment becomes estranged the second spring element side provided with penetrating the locking club shaft and pierce into cavity
Lock and set interior jacking block on the inside of plagiocephaly, latch segment top end face along side, set motor in the baffle plate between the 3rd sliding groove, the 3rd slips
Stud is set in groove, stud is connected with motor running, spiral line mating connection junction piece on stud, so as to realize automatic locking
And automatic unlocking, reduce the personnel to operate, improve operating efficiency.
2. leading above solderless wrapped connection apertured groove on the outside of the slide guide bar for passing through the trolley shoe inner top in the second sliding groove, hole slot
The solderless wrapped connection of slide bar outer face sets the first spring element, so as to realize that pedestal and the fastening in direction board portion are installed, prevents from loosening, improves pedestal
Steadiness after being connected with direction board portion.
3. by inserting the locking slot set in axle to be connected with check lock lever, insert and set at the top of the axle left and right sides along side
To the clamping block with the first sliding sliding cooperation of groove, so as to realize that guiding is sliding, improve and accuracy and installation rate be installed,
By setting the card tieholen for being used to be connected with Fastener in clamping block top end face, so that realizing prevents direction board portion from anticipating after unblock
Drop outside, set to the oblique angle groove with the sliding cooperation of locking plagiocephaly, so as to reduce abrasion, led to along side by locking slot inner top
The locking hole for matching on the inwall of the locking slot lower inside left and right sides and setting to be connected with locking plagiocephaly is crossed, so as to realize lock
Fixed connection.
4. the present invention is simple in construction, it is easily installed and dismantles, reduction personnel ascend a height time operation, it is high to install steadiness, no
It is also easy to produce loosening.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiment and accompanying drawing.
Fig. 1 is a kind of bridge speed limit direction board fixing device internal structure schematic diagram of the invention；
Fig. 2 is the upward view of the pedestal of the present invention；
Structural representation when Fig. 3 abuts against for the locking plagiocephaly of the present invention with oblique angle groove；
Structural representation when Fig. 4 abuts against for the clamping block of the present invention with trolley shoe；
Fig. 5 is the internal structure schematic diagram after the pedestal of the present invention and the installation of direction board portion；
Fig. 6 is the top view in direction board portion of the present invention.
Embodiment
As shown in figs 1 to 6, a kind of bridge speed limit direction board fixing device of the invention, including pedestal 3 and be arranged on
The direction board portion 4 of the lower section of pedestal 3, the top of the pedestal 3 is provided with hanger bar 10, the pedestal 3 and the hanger bar 10
It is fixedly connected by connecting rod 11, provided with cavity 31 in the pedestal 3, what is matched on the left and right sides inwall of cavity 31 is provided with
The side of cavity 31 is become estranged provided with the second sliding groove 35, described second in first sliding groove 33, the described first sliding top of groove 33
In slide guide bar 351 in sliding groove 35 provided with trolley shoe 353 and with the sliding cooperation of the trolley shoe 353, the trolley shoe 353
Side is pierced into the described first sliding groove 33 and sliding cooperation, and the bottom of the trolley shoe 353 in the described first sliding groove 33 is provided with
Fastener 3532, the inner roof wall of cavity 31 is provided with lower section in the check lock lever 32 extended downwards, the check lock lever 32 and is provided with left and right
Baffle plate 324, each top of lock chambers 321 are provided between the lock chambers 321 matched, the lock chambers 321 of the left and right sides
It is equipped with the 3rd sliding groove 325, the lock chambers 321 and is provided with latch segment 322, the inner side end of latch segment 322 is provided with the
Two spring elements 323, the latch segment 322 becomes estranged the side of the second spring element 323 provided with penetrating the body of rod of check lock lever 32 simultaneously
On the inside of the locking plagiocephaly 3221 pierced into the cavity 31, the top end face of latch segment 322 interior jacking block 3222, institute are provided with along side
State and motor 326 be provided with the baffle plate 324 between the 3rd sliding groove 325, stud 327 is provided with the described 3rd sliding groove 325,
The stud 327 is operated with the motor 326 and is connected, and spiral line is connected with junction piece 328 on the stud 327,
Outer jacking block 3281 is provided with the outside of the bottom face of junction piece 328 along side, the direction board portion 4 includes supporting plate 41 and fixation is set
The slotting axle 42 at the top of supporting plate 41 is put, the bottom face of supporting plate 41, which is provided with board frame 411, the board frame 411, is provided with speed limit
It is provided with mark 412, the pedestal 3 of the bottom of cavity 31 on scarfing slot 34, the motor 326 and is provided with denoising device
301。
Wherein, the outside of the slide guide bar 351 of the inner top of the trolley shoe 353 in the described second sliding groove 35 is provided with hole
Groove 3531, the outer face of slide guide bar 351 of the top of hole slot 3531 is wrapped with the first spring element 352, passes through the first elastic force
Part 352 prevents from loosening so as to realize that pedestal 3 and the fastening in direction board portion 4 are installed.
Wherein, the locking slot 43 being connected with the check lock lever 32, the slotting axle 42 or so are provided with the slotting axle 42
Two side roof parts are provided with the clamping block 46 with the described first sliding sliding cooperation of groove 33 along side, so as to realize that guiding is sliding, improve
The clamping for being provided with and being connected with the Fastener 3532 in accuracy and installation rate, the top end face of clamping block 46 is installed
Hole 47, so as to prevent direction board portion 4 from inadvertently falling off after realizing unblock, the inner top of locking slot 43 is provided with and the lock along side
The tight sliding oblique angle groove 45 coordinated of plagiocephaly 3221, so that abrasion is reduced, on the lower inside left and right sides inwall of locking slot 43
Match provided with the locking hole 44 being connected with the locking plagiocephaly 3221, so as to realize locking connection.
Wherein, the denoising device is set outside the motor 326 for 301 weeks, and the denoising device 301 is enriched by noise reduction cotton,
The noise reduction cotton can fully reduce the noise that the motor 326 operates central generation, lifting device overall performance and quality.
During original state, top pressure active force of the trolley shoe 353 by the first spring element 352 so that trolley shoe 353 is located at the
The most bottom side position of two sliding grooves 35, now, junction piece 328 are located in the 3rd sliding groove 325 and become estranged the side of motor 326, meanwhile,
Top pressure active force of the latch segment 322 by the second spring element 323 so that latch segment 322 is located in lock chambers 321 and becomes estranged baffle plate
324, now, interior jacking block 3222 is abutted against with outer jacking block 3281, meanwhile, locking plagiocephaly 3221 is pierced into cavity 31.
When needing to install and use, direction board portion 4 is moved to the lower section of pedestal 3 first so that clamping block 46 and first is slided
Access slot 33 is in relative position, and direction board portion 4 is promoted then up so that the clamping block 46 inserted on axle 42 and slotting axle 42 passes through
Scarfing slot 34 is gradually inserted cavity 31 and first and slipped in groove 33 respectively, until oblique angle groove 45 as shown in Figure 3 and locking plagiocephaly
3221 abut against, and continue up promotion direction board portion 4 so that locking plagiocephaly 3221 is gradually overcome institute by the thrust of oblique angle groove 45
The active force of the second spring element 323 is stated towards moving in lock chambers 321, until the locking end face outside of plagiocephaly 3221 with locking slot 43
Side wall is abutted against and sliding cooperation, is further continued for pushing up direction board portion 4, until Fastener 3532 slips into clamping after being squeezed
In hole 47, now, the top end face of clamping block 46 is abutted against with the bottom face of trolley shoe 353 to be referred to as shown in figure 4, finally continuing up promotion
Show board portion 4 so that trolley shoe 353 by direction board portion 4 thrust, so as to overcome the active force of the first spring element 352 along second
Sliding groove 35 is moved up, until as shown in figure 5, trolley shoe 353 is moved to the most top side position of the second sliding groove 35, now
First spring element 352 is entirely retracted to hole slot 3531, meanwhile, locking hole 44 is moved to the locking relative position of plagiocephaly 3221, and locking is oblique
First 3221 are slipped into locking hole 44 by the top pressure active force of the second spring element 323, complete locking connection, now, check lock lever 32
Bottom face is abutted against with the bottom face of locking slot 43, meanwhile, supporting plate 41 is completely embedded into scarfing slot 34, finally, stops promoting.
When needing demolition and maintenance or replacing, control stud 327 to operate by motor 326, junction piece is driven by stud 327
328 move inward along the 3rd sliding groove 325, now, the outer jacking block 3281 of the bottom of junction piece 328 drive interior jacking block 3222 and
The latch segment 322 of the interior bottom of jacking block 3222 overcomes the top pressure active force of the second spring element 323 towards the medial movement of lock chambers 321, together
When, driven by latch segment 322 in the locking retraction check lock lever 32 of plagiocephaly 3221, until the locking end face outside of plagiocephaly 3221 and check lock lever
When 32 end face outsides are in same level, now, trolley shoe 353 is slipped downwards by the top pressure active force of the first spring element 352
And clamping block 46 is pushed down on, by the promotion of trolley shoe 353, now, outside the ejection scarfing slot 34 of supporting plate 41, due to trolley shoe
It is connected, thereby indicate that board portion 4 will not be ejected completely, then will by Fastener 3532 between 353 and clamping block 46
The supporting plate 41 of ejection scarfing slot 34 is pulled downward on so that Fastener 3532 completely disengages from card tieholen 47 and can be taken off direction board portion
4 and change or repair, finally, control the antiport stud 327 of motor 326 so that junction piece 328 is moved to the 3rd sliding groove
325 outermost, meanwhile, latch segment 322 is mobile to the outside of lock chambers 321 by the active force of the second spring element 323, until locking
Plagiocephaly 3221 is at utmost pierced into cavity 31.
The beneficial effects of the invention are as follows：
1. roof sets the lock chambers that lower section in the check lock lever extended downwards, check lock lever sets zygomorphism, left and right two in transit chamber body
It is baffled between the check lock lever of side, it is all provided with setting on the inside of latch segment, latch segment in the 3rd sliding groove, lock chambers at the top of each lock chambers
End face sets the second spring element, and latch segment becomes estranged the second spring element side provided with penetrating the locking club shaft and pierce into cavity
Lock and set interior jacking block on the inside of plagiocephaly, latch segment top end face along side, set motor in the baffle plate between the 3rd sliding groove, the 3rd slips
Stud is set in groove, stud is connected with motor running, spiral line mating connection junction piece on stud, so as to realize automatic locking
And automatic unlocking, reduce the personnel to operate, improve operating efficiency.
2. leading above solderless wrapped connection apertured groove on the outside of the slide guide bar for passing through the trolley shoe inner top in the second sliding groove, hole slot
The solderless wrapped connection of slide bar outer face sets the first spring element, so as to realize that pedestal and the fastening in direction board portion are installed, prevents from loosening, improves pedestal
Steadiness after being connected with direction board portion.
3. by inserting the locking slot set in axle to be connected with check lock lever, insert and set at the top of the axle left and right sides along side
To the clamping block with the first sliding sliding cooperation of groove, so as to realize that guiding is sliding, improve and accuracy and installation rate be installed,
By setting the card tieholen for being used to be connected with Fastener in clamping block top end face, so that realizing prevents direction board portion from anticipating after unblock
Drop outside, set to the oblique angle groove with the sliding cooperation of locking plagiocephaly, so as to reduce abrasion, led to along side by locking slot inner top
The locking hole for matching on the inwall of the locking slot lower inside left and right sides and setting to be connected with locking plagiocephaly is crossed, so as to realize lock
Fixed connection.
4. the present invention is simple in construction, it is easily installed and dismantles, reduction personnel ascend a height time operation, it is high to install steadiness, no
It is also easy to produce loosening.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of bridge speed limit direction board fixing device, including pedestal and the direction board portion that is arranged on below pedestal, its feature
It is；The top of pedestal is provided with hanger bar, and pedestal is fixedly connected with hanger bar by connecting rod, and cavity, cavity are provided with pedestal
Being slipped provided with first for matching on the inwall of the left and right sides becomes estranged cavity side provided with the second sliding groove at the top of groove, the first sliding groove,
Pierced on the inside of slide guide bar in second sliding groove provided with trolley shoe and with the sliding cooperation of trolley shoe, trolley shoe in the first sliding groove
And the trolley shoe bottom slipped in cooperation, the first sliding groove is provided with Fastener, cavity inner roof wall is provided with the check lock lever extended downwards,
Lower section, which is provided between the lock chambers of zygomorphism, the lock chambers of the left and right sides, in check lock lever is provided with baffle plate, at the top of each lock chambers
It is equipped with the 3rd sliding groove, lock chambers and is provided with latch segment, latch segment inner side end is provided with the second spring element, latch segment becomes estranged the
Two spring element sides are provided with the inside of the locking plagiocephaly for penetrating locking club shaft and piercing into cavity, latch segment top end face and set along side
Have to be provided with motor, the 3rd sliding groove in the baffle plate between interior jacking block, the 3rd sliding groove and be provided with stud, stud is matched somebody with somebody with motor running
Spiral line on connection, stud is closed to be connected with the outside of junction piece, junction piece bottom face along side provided with outer jacking block, direction board portion
Including supporting plate and the slotting axle being fixedly installed at the top of supporting plate, supporting plate bottom face is provided with board frame, and board inframe is provided with speed(-)limit sign, chamber
It is provided with the pedestal of body bottom on scarfing slot, the motor and is provided with denoising device.
2. a kind of bridge speed limit direction board fixing device according to claim 1, it is characterised in that：Described second sliding groove
Be provided with the outside of the slide guide bar of the interior trolley shoe inner top slide guide bar outer face above hole slot, the hole slot around
It is connected to the first spring element.
3. a kind of bridge speed limit direction board fixing device according to claim 1, it is characterised in that：It is provided with the slotting axle
It is provided with and is slided with the described first sliding groove along side at the top of the locking slot being connected with the check lock lever, the slotting axle left and right sides
Connect the card tieholen for being provided with and being connected with the Fastener in the clamping block of cooperation, the clamping block top end face, the locking slot
Inner top is provided with and the sliding oblique angle groove coordinated of locking plagiocephaly, the locking slot lower inside left and right sides inwall along side
On match provided with and it is described locking plagiocephaly be connected locking hole.
4. a kind of bridge speed limit direction board fixing device according to claim 1, it is characterised in that：The denoising device week
If outside the motor, the denoising device is enriched by noise reduction cotton, the noise reduction cotton can be fully reduced among the motor operation
The noise of generation, lifting device overall performance and quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124681.6A CN107134215A (en) | 2017-03-03 | 2017-03-03 | A kind of bridge speed limit direction board fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124681.6A CN107134215A (en) | 2017-03-03 | 2017-03-03 | A kind of bridge speed limit direction board fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107134215A true CN107134215A (en) | 2017-09-05 |
Family
ID=59721853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710124681.6A Withdrawn CN107134215A (en) | 2017-03-03 | 2017-03-03 | A kind of bridge speed limit direction board fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107134215A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221684A (en) * | 2017-12-21 | 2018-06-29 | 恒运市政园林建设有限公司 | A kind of steel structure scaffolding structure of municipal construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1736952A2 (en) * | 2005-06-24 | 2006-12-27 | Franz Miederhoff oHG | Overhead suspension for carrier profile and connecting piece therefor |
| CN201535978U (en) * | 2009-06-26 | 2010-07-28 | 河南省电力公司焦作供电公司 | Anti-collision caution casing sleeved on electric pole |
| US20140345176A1 (en) * | 2013-05-21 | 2014-11-27 | Frank L. Okert | Realty signs and yard posts |
| CN105931567A (en) * | 2016-05-09 | 2016-09-07 | 邵潘英 | Road traffic sign fastening assembly simple to operate |
| CN106373484A (en) * | 2016-08-31 | 2017-02-01 | 吕碧倩 | Safe plaque mounting device |
-
2017
- 2017-03-03 CN CN201710124681.6A patent/CN107134215A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1736952A2 (en) * | 2005-06-24 | 2006-12-27 | Franz Miederhoff oHG | Overhead suspension for carrier profile and connecting piece therefor |
| CN201535978U (en) * | 2009-06-26 | 2010-07-28 | 河南省电力公司焦作供电公司 | Anti-collision caution casing sleeved on electric pole |
| US20140345176A1 (en) * | 2013-05-21 | 2014-11-27 | Frank L. Okert | Realty signs and yard posts |
| CN105931567A (en) * | 2016-05-09 | 2016-09-07 | 邵潘英 | Road traffic sign fastening assembly simple to operate |
| CN106373484A (en) * | 2016-08-31 | 2017-02-01 | 吕碧倩 | Safe plaque mounting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221684A (en) * | 2017-12-21 | 2018-06-29 | 恒运市政园林建设有限公司 | A kind of steel structure scaffolding structure of municipal construction |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170905 |
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| WW01 | Invention patent application withdrawn after publication |