CN218116072U - Wire hanging device for structural layer wiring method construction - Google Patents

Wire hanging device for structural layer wiring method construction Download PDF

Info

Publication number
CN218116072U
CN218116072U CN202222040999.5U CN202222040999U CN218116072U CN 218116072 U CN218116072 U CN 218116072U CN 202222040999 U CN202222040999 U CN 202222040999U CN 218116072 U CN218116072 U CN 218116072U
Authority
CN
China
Prior art keywords
sliding
vertical rod
sleeve
flat plate
fixedly connected
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.)
Active
Application number
CN202222040999.5U
Other languages
Chinese (zh)
Inventor
王培昆
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.)
Shaanxi Xijian Road And Bridge Engineering Co ltd
Original Assignee
Shaanxi Xijian Road And Bridge Engineering 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 Shaanxi Xijian Road And Bridge Engineering Co ltd filed Critical Shaanxi Xijian Road And Bridge Engineering Co ltd
Priority to CN202222040999.5U priority Critical patent/CN218116072U/en
Application granted granted Critical
Publication of CN218116072U publication Critical patent/CN218116072U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The application relates to the technical field of building construction, and discloses a wire hanging device for structural layer wiring method construction, which comprises a vertical rod, a supporting flat plate, a sliding assembly, a sliding part, a supporting rod and a first level bubble; the sliding component is connected to the outer side of the vertical rod in a sliding manner along the length direction of the vertical rod and can be fixedly connected with the vertical rod through a fixing bolt; a supporting flat plate is hinged to the side face of the sliding assembly, a wire hanging groove is formed in one end, away from the vertical rod, of the top end of the supporting flat plate, and a first level bubble is installed on the supporting flat plate; the sliding part is connected to the outer side of the sliding assembly in a sliding manner along the length direction of the vertical rod and can be fixedly connected with the sliding assembly through a fixing bolt; one end of the supporting rod is fixedly connected with the sliding part, and the other end of the supporting rod is hinged with one end, far away from the vertical rod, of the supporting flat plate. The problem of hanging wire height be difficult to quick adjustment, and be difficult to guarantee its elevation control's accuracy and thickness of paving is solved in this application, improved string efficiency and construction quality greatly.

Description

Wire hanging device for structural layer wiring method construction
Technical Field
The application relates to the technical field of building construction, in particular to a line hanging device for structural layer line routing construction.
Background
With the vigorous development of the building industry, the national requirements on the construction quality of buildings are more strict, the pavement evenness is one of the measurement standards of the construction quality of municipal roads, the importance of the pavement evenness is not negligible, and the hanging-line paving is the most common construction method in the current pavement construction.
Traditional string formula is paved and is piled piles through the manual work earlier, and then paves for the elevation data scale and carry out manual regulation according to the measurement of every stake, then the manual work is directly binded the wire on the steel bar nail stake with the ligature according to the elevation data that paves of measurement in proper order, or installs a screw rod additional on the steel bar nail stake, directly puts the wire on the screw rod, and the slide bar sensor of paver paves along the wire forward pavement.
The traditional wire hanging type paving device has the defects that the height of a wire hanging pile is difficult to quickly adjust, so that the wire hanging efficiency is low, and because a wire for controlling the elevation is bound on a steel bar nail pile, the wire or a screw rod easily slides up and down in the construction process, and the accuracy of elevation control and the paving thickness are difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
This application has solved the problem that highly being difficult to the quick adjustment of hanging wire stake among the current string line formula spreading technique, and be difficult to guarantee its elevation control's accuracy and the thickness of spreading through providing a hanging wire device of structural layer wiring method construction, has realized the quick adjustment of hanging wire height to guarantee its elevation control's accuracy and the thickness of spreading, improved string line efficiency greatly, improved construction quality.
In order to realize the purpose, the utility model discloses a following technical scheme realizes:
a wire hanging device for structural layer wiring method construction comprises a vertical rod, a supporting flat plate, a sliding assembly, a sliding piece, a supporting rod and a first leveling bubble; the sliding assembly is connected to the outer side of the vertical rod in a sliding mode along the length direction of the vertical rod and can be fixedly connected with the vertical rod through a fixing bolt; the side face of the sliding assembly is hinged with the supporting flat plate, a wire hanging groove is formed in one end, far away from the vertical rod, of the top end of the supporting flat plate, and the first leveling bubble is mounted at the top end of the supporting flat plate; the sliding part is connected to the outer side of the sliding assembly in a sliding mode along the length direction of the vertical rod and can be fixedly connected with the sliding assembly through a fixing bolt; one end of the supporting rod is fixedly connected with the outer side of the sliding part, and the other end of the supporting rod is hinged to one end, far away from the vertical rod, of the supporting flat plate.
Further, the sliding part comprises a second sleeve, the second sleeve is connected to the outer side of the sliding assembly in a sliding mode along the length direction of the vertical rod, the second sleeve can be fixedly connected with the sliding assembly through a fixing bolt, and the outer side of the second sleeve is fixedly connected with the supporting rod.
Further, the sliding assembly still includes the fixed block, the outside of sliding assembly is close to the fixed block that is provided with in one side of support flat board, the fixed block deviates from T type groove has been seted up to one side of montant, the slider includes first slider and second slider and fastening bolt, T type inslot is followed the length direction in T type groove is provided with first slider with the second slider, the second slider with first slider fixed connection, first slider is kept away from the one end in T type groove with bracing piece fixed connection, fastening bolt stretches into T type groove and with second slider threaded connection, just fastening bolt can with the second slider is fixed in the T type groove.
Further, the surface of montant is provided with the size scale, the surface of slip subassembly is provided with the scale and observes the mouth.
Further, the sliding assembly comprises a first sleeve, the first sleeve is connected to the outer side of the vertical rod in a sliding mode along the length direction of the vertical rod, the first sleeve can be connected with the vertical rod in a fixed mode through a fixing bolt, the side face of the first sleeve is hinged to the supporting flat plate, the sliding piece is connected to the outer side of the first sleeve in a sliding mode along the length direction of the vertical rod, and the sliding piece can be connected with the outer side of the first sleeve in a fixed mode through the fixing bolt.
Further, a hanging wire device of line method construction is walked to structural layer still includes second level bubble, second level bubble sets up the top of montant.
Furthermore, the bottom section of the vertical rod is conical.
Furthermore, the vertical rod is made of steel fiber.
To sum up, the utility model discloses following beneficial effect has:
the application provides a pair of hanging wire device of structural layer wiring method construction drives the support flat board through reciprocating the slip subassembly and reciprocates to accomplish the quick adjustment of hanging wire height. In addition, treat that the slip subassembly is fixed the back, can be parallel with the horizontal plane through first level bubble real-time accurate monitoring support flat board, when supporting flat board and horizontal plane nonparallel, upwards or the slider that moves down, support flat board upwards or downwards rotate for the slip subassembly under the drive of bracing piece, survey first level bubble in real time, the dull and stereotyped levelness is supported in calibration that can be accurate, quick, has guaranteed hanging wire elevation control's accuracy and thickness of paving, has improved construction quality and efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structural diagram of a wire hanging device constructed by a structural layer wire routing method according to a first embodiment of the present application;
fig. 2 is a schematic overall structural diagram of a wire hanging device constructed by a structural layer wire routing method according to a second embodiment of the present application;
FIG. 3 is an enlarged view of area A of FIG. 2;
fig. 4 is a top view of the connection structure of the second slider and the T-shaped groove in fig. 2.
Reference numerals: 1-vertical rod; 11-size scale; 2-a support plate; 21-hanging wire grooves; 22-first level bubble; 3-a sliding assembly; 31-a first sleeve; 311-a first threaded hole; 32-scale observation port; 33-fixing block; 331-T type groove; 4-a slide; 41-a second sleeve; 411-a second threaded hole; 42-a first slider; 43-a second slide; 44-fastening bolts; 5-a support rod; 6-second level bubble.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
a wire hanging device for structural layer wire-routing construction is shown in figure 1 and comprises a vertical rod 1, a supporting flat plate 2, a sliding component 3, a sliding component 4, a supporting rod 5 and a first level bubble 22; the vertical rod 1 is made of steel fiber, and the bottom section of the steel fiber can be conical, so that the steel fiber can be conveniently nailed into the ground during construction.
The sliding component 3 is connected to the outer side of the vertical rod 1 in a sliding mode along the length direction of the vertical rod 1, and the sliding component 3 can be fixedly connected with the vertical rod 1 through a fixing bolt; a supporting flat plate 2 is hinged to the side face of the sliding assembly 3, a wire hanging groove 21 is formed in one end, far away from the vertical rod 1, of the top end of the supporting flat plate 2, and a first leveling bubble 22 is installed at the top end of the supporting flat plate 2; the sliding part 4 is connected to the outer side of the sliding component 3 in a sliding manner along the length direction of the vertical rod 1, and the sliding part 4 can be fixedly connected with the sliding component 3 through a fixing bolt; one end of the support rod 5 is fixedly connected with the outer side of the sliding part 4, and the other end of the support rod 5 is hinged with one end of the support flat plate 2 far away from the vertical rod 1.
Specifically, as shown in fig. 1, the sliding assembly 3 includes a first sleeve 31, the first sleeve 31 is sleeved on the outer side of the vertical rod 1, the first sleeve 31 can slide up and down along the length direction of the vertical rod 1, the outer surface of the first sleeve 31 is provided with a plurality of first threaded holes 311, the first sleeve 31 can be fixedly connected with the vertical rod 1 through fixing bolts installed in the first threaded holes 311, and the side surface of the first sleeve 31 is hinged with the support plate 2. The surface of montant 1 is provided with size scale 11, and the surface of first sleeve 31 still is provided with scale observation mouth 32, utilizes the size scale 11 of self, observes the scale that mouth 32 can convenient accurate control need be adjusted through the scale.
Specifically, as shown in fig. 1, the sliding member 4 includes a second sleeve 41, the second sleeve 41 is slidably connected to the outer side of the first sleeve 31 along the length direction of the vertical rod 1, the outer surface of the second sleeve 41 is provided with a plurality of second threaded holes 411, the second sleeve 41 can be fixedly connected to the first sleeve 31 through fixing bolts installed in the second threaded holes 411, and the outer side of the second sleeve 41 is fixedly connected to the supporting rod 5.
Further, as shown in fig. 1, the wire hanging device for structural layer wire-routing method construction provided in the first embodiment further includes a second leveling bubble 6, and the second leveling bubble 6 is disposed at the top end of the vertical rod 1. The second leveling bubble 6 can adjust the verticality of the vertical rod 1.
The working principle of the wire hanging device constructed by the structural layer wiring method provided by the embodiment of the application is as follows:
through reciprocating first sleeve 31, thereby it reciprocates to drive the support flat plate 2, thereby accomplish the quick adjustment of hanging line height, treat that the support flat plate 2 height reaches when required height, screw up fixing bolt, fix first sleeve 31 in the outside of montant 1, then whether parallel with the horizontal plane through the real-time accurate monitoring of first level bubble 22 support flat plate, when supporting flat plate 2 and horizontal plane nonparallel, upwards or move down second sleeve 41, support flat plate 2 upwards or rotate downwards for first sleeve 31 under the drive of bracing piece 5, survey first level bubble in real time, can be accurate, quick calibration supports flat plate 2's levelness, the accuracy and the thickness of paving of hanging line elevation control have been guaranteed, construction quality and efficiency have been improved.
Example two:
a wire hanging device for structural layer wiring method construction is shown in figure 2 and comprises a vertical rod 1, a supporting flat plate 2, a sliding component 3, a sliding part 4, a supporting rod 5 and a first leveling bubble 22; the vertical rod 1 is made of steel fiber, and the bottom section of the steel fiber can be conical, so that the steel fiber can be conveniently nailed into the ground during construction.
The sliding component 3 is connected to the outer side of the vertical rod 1 in a sliding mode along the length direction of the vertical rod 1, and the sliding component 3 can be fixedly connected with the vertical rod 1 through a fixing bolt; a supporting flat plate 2 is hinged to the side face of the sliding assembly 3, a wire hanging groove 21 is formed in one end, far away from the vertical rod 1, of the top end of the supporting flat plate 2, and a first leveling bubble 22 is installed at the top end of the supporting flat plate 2; the sliding part 4 is connected to the outer side of the sliding component 3 in a sliding manner along the length direction of the vertical rod 1, and the sliding part 4 can be fixedly connected with the sliding component 3 through a fixing bolt; one end of the support rod 5 is fixedly connected with the outer side of the sliding part 4, and the other end of the support rod 5 is hinged with one end, far away from the vertical rod 1, of the support flat plate 2.
Specifically, as shown in fig. 2, the sliding assembly 3 includes a first sleeve 31, the first sleeve 31 is sleeved on the outer side of the vertical rod 1, the first sleeve 31 is slidably connected to the outer side of the vertical rod 1 along the length direction of the vertical rod 1, the outer surface of the first sleeve 31 is provided with a plurality of first threaded holes 311, the first sleeve 31 can be fixedly connected with the vertical rod 1 through fixing bolts installed in the first threaded holes 311, and the side surface of the first sleeve 31 is hinged to the support plate 2. The surface of montant 1 is provided with size scale 11, and the surface of first sleeve 31 still is provided with scale observation mouth 32, utilizes the size scale 11 of self, observes the scale that mouth 32 can convenient accurate control need be adjusted through the scale.
As shown in fig. 2 to 4, the sliding assembly 3 further includes a fixed block 33, the fixed block 33 is fixedly disposed on one side of the outside of the first sleeve 31, which is close to the support plate 2, a T-shaped groove 331 is formed in one side of the fixed block 33, which is away from the vertical rod 1, the sliding member 4 includes a first sliding block 42, a second sliding block 43 and a fastening bolt 44, the first sliding block 42 and the second sliding block 43 are disposed in the T-shaped groove 331 along the length direction of the T-shaped groove 331, the second sliding block 43 is fixedly connected with the first sliding block 42, one end of the first sliding block 42, which is away from the T-shaped groove 331, is fixedly connected with the support rod 5, the fastening bolt 44 extends into the T-shaped groove 331 and is in threaded connection with the second sliding block 43, and the fastening bolt 44 can fix the second sliding block 43 in the T-shaped groove 331.
Further, as shown in fig. 2, the wire hanging device for structural layer wire-routing method construction provided in this embodiment 2 further includes a second leveling bubble 6, where the second leveling bubble 6 is disposed at the top end of the vertical rod 1. The second leveling bubble 6 can adjust the verticality of the vertical rod 1.
The working principle of the wire hanging device constructed by the structural layer wiring method provided by the embodiment of the application is as follows:
through reciprocating first sleeve 31, thereby drive the support flat plate 2 and reciprocate, thereby accomplish the quick adjustment of hanging line height, when treating that the support flat plate 2 height reaches required height, screw up fixing bolt, fix first sleeve 31 in the outside of montant 1, then through whether the real-time accurate monitoring of first level bubble supports flat plate and horizontal plane and is parallel, when supporting flat plate 2 and horizontal plane nonparallel, upwards or move first slider 42 downwards, support flat plate 2 upwards or downwards rotates for first sleeve 31 under the drive of bracing piece 5, observe first level bubble in real time, can be accurate, quick calibration support flat plate 2's levelness, when treating that support flat plate 2 and horizontal plane are parallel, screw up fastening bolt 44, thereby fix first slider 42 in T type inslot, guaranteed hanging line elevation control's accuracy and paving thickness, construction quality and efficiency have been improved.
Before the structural layer wiring method paving construction, the device is uniformly fixed along the traveling crane direction according to the distance of 10-15 m, and the wiring height and the levelness of the wiring device for the structural layer wiring method construction provided by the first embodiment or the second embodiment of the application are adjusted according to the design elevation and the virtual paving thickness determined on site, so that the paving construction operation is completed.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment is described with emphasis on the difference from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims (8)

1. A wire hanging device for structural layer wiring method construction is characterized by comprising a vertical rod (1), a supporting flat plate (2), a sliding assembly (3), a sliding part (4), a supporting rod (5) and a first leveling bubble (22);
the sliding component (3) is connected to the outer side of the vertical rod (1) in a sliding mode along the length direction of the vertical rod (1), and the sliding component (3) can be fixedly connected with the vertical rod (1) through a fixing bolt;
the side surface of the sliding component (3) is hinged with the supporting flat plate (2), one end, far away from the vertical rod (1), of the top end of the supporting flat plate (2) is provided with a wire hanging groove (21), and the first level air bubble (22) is installed at the top end of the supporting flat plate (2);
the sliding part (4) is connected to the outer side of the sliding component (3) in a sliding mode along the length direction of the vertical rod (1), and the sliding part (4) can be fixedly connected with the sliding component (3) through a fixing bolt;
one end of the supporting rod (5) is fixedly connected with the outer side of the sliding part (4), and the other end of the supporting rod (5) is hinged to one end, far away from the vertical rod (1), of the supporting flat plate (2).
2. A wire hanging device constructed by a structural layer routing method according to claim 1, wherein the sliding member (4) comprises a second sleeve (41), the second sleeve (41) is slidably connected to the outer side of the sliding assembly (3) along the length direction of the vertical rod (1), the second sleeve (41) can be fixedly connected to the sliding assembly (3) through a fixing bolt, and the outer side of the second sleeve (41) is fixedly connected to the supporting rod (5).
3. The wire hanging device for structural layer routing method construction according to claim 1, wherein the sliding assembly (3) further comprises a fixing block (33), the fixing block (33) is fixedly arranged on one side, close to the supporting flat plate (2), of the outer portion of the sliding assembly (3), a T-shaped groove (331) is formed in one side, away from the vertical rod (1), of the fixing block (33), the sliding member (4) comprises a first sliding block (42), a second sliding block (43) and a fastening bolt (44), the first sliding block (42) and the second sliding block (43) are arranged in the T-shaped groove (331) along the length direction of the T-shaped groove (331), the second sliding block (43) is fixedly connected with the first sliding block (42), one end, far away from the T-shaped groove (331), of the first sliding block (42) is fixedly connected with the supporting rod (5), the fastening bolt (44) extends into the T-shaped groove (331) and is in threaded connection with the second sliding block (43), and the fastening bolt (44) can fix the second sliding block (43) in the T-shaped groove (331).
4. The wire hanging device constructed by a structural layer routing method according to claim 1, wherein the outer surface of the vertical rod (1) is provided with a dimension scale (11), and the outer surface of the sliding component (3) is provided with a scale observation opening (32).
5. A hanging wire device constructed by a structural layer routing method according to any one of claims 1-4, wherein the sliding component (3) comprises a first sleeve (31), the first sleeve (31) is slidably connected to the outer side of the vertical rod (1) along the length direction of the vertical rod (1), the first sleeve (31) can be fixedly connected with the vertical rod (1) through a fixing bolt, the supporting plate (2) is hinged to the side surface of the first sleeve (31), the sliding component (4) is slidably connected to the outer side of the first sleeve (31) along the length direction of the vertical rod (1), and the sliding component (4) can be fixedly connected with the outer side of the first sleeve (31) through a fixing bolt.
6. A wire hanging device for structural layer routing construction according to claim 1, further comprising a second leveling bubble (6), wherein said second leveling bubble (6) is disposed on the top end of said vertical rod (1).
7. A wire hanging device constructed by a structural layer routing method according to claim 1, wherein the bottom section of the vertical rod (1) is conical.
8. The wire hanging device constructed by a structural layer routing method according to claim 1, wherein the vertical rod (1) is made of steel fiber.
CN202222040999.5U 2022-08-04 2022-08-04 Wire hanging device for structural layer wiring method construction Active CN218116072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222040999.5U CN218116072U (en) 2022-08-04 2022-08-04 Wire hanging device for structural layer wiring method construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222040999.5U CN218116072U (en) 2022-08-04 2022-08-04 Wire hanging device for structural layer wiring method construction

Publications (1)

Publication Number Publication Date
CN218116072U true CN218116072U (en) 2022-12-23

Family

ID=84522275

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222040999.5U Active CN218116072U (en) 2022-08-04 2022-08-04 Wire hanging device for structural layer wiring method construction

Country Status (1)

Country Link
CN (1) CN218116072U (en)

Similar Documents

Publication Publication Date Title
US5328295A (en) Torsional automatic grade control system for concrete finishing
EP3699358B1 (en) Automatic paver system having a measuring and positioning structure
CN203430003U (en) Infrared projection tile laying machine
CA2320811A1 (en) Method of forming a structural block or brick wall
WO2020087666A1 (en) Digitized paving equipment and paving method
CN218116072U (en) Wire hanging device for structural layer wiring method construction
CN108560369A (en) A kind of setting-out construction method to pave for high speed circuit curved surface
CN204531310U (en) A kind of metope leveling mechanism
CN204139036U (en) A kind of floating head of laser trowelling machine promotes pendulous device
CN206800142U (en) Bituminous pavement paving elevation lofting tools
CN215803300U (en) Ground leveling auxiliary device for building construction
CN212925698U (en) Pavement cement mortar layer leveling tool
CN110409248B (en) Road construction method
CN207878943U (en) A kind of foundation ground flatness and elevation control device
CN211171515U (en) Automatic leveling structure of paver
CN209975325U (en) Asphalt concrete pavement construction equipment based on 3D digital control system
CN220747735U (en) Mortar joint control device for masonry
CN206706854U (en) A kind of pile penetration detection means of steel-pipe pile hammer piling
CN221000504U (en) Road water stability and asphalt elevation measurement control device
CN218175524U (en) Highway surveys design and route construction laying-out with automatic device of strickleing off
CN109853581A (en) A kind of mechanism and its application method improving open trench tunnel foundation pit steel lattice column verticality qualification rate
CN217710217U (en) Elevation and thickness control device for joint of double-machine combined paving
CN217231397U (en) Increase auxiliary assembly of precision of mating formation in gardens
CN217326520U (en) Concrete slab thickness control device with vibrating function
CN214143167U (en) Floating device of building construction

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant