CN210922557U - Coating thickness gauge for engineering supervision - Google Patents

Coating thickness gauge for engineering supervision Download PDF

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Publication number
CN210922557U
CN210922557U CN201922408161.5U CN201922408161U CN210922557U CN 210922557 U CN210922557 U CN 210922557U CN 201922408161 U CN201922408161 U CN 201922408161U CN 210922557 U CN210922557 U CN 210922557U
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plate
clamping
thickness gauge
spring
clamping plate
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CN201922408161.5U
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Chinese (zh)
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蔡美琳
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Zhongyun Sifang Construction Group Co ltd
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Chengdu Sifang Construction Project Management Co ltd
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Abstract

The utility model relates to a measuring tool for building supervision, in particular to a coating thickness gauge for engineering supervision, which comprises a thickness gauge body, a probe arranged on the thickness gauge body, a connecting plate and a clamp for clamping the connecting plate, wherein the connecting plate is detachably arranged on the thickness gauge body, and the left side and the right side of the connecting plate are provided with clamping grooves; the clamp comprises a first clamping component, a second clamping component, a connector and a telescopic rod, one end of the telescopic rod is connected with the connector, the other end of the telescopic rod is provided with a handle, the first clamping component is fixedly installed on the connector, the second clamping component is movably installed on the connector, the first clamping component and the second clamping component are connected through a spring component, and when the clamp clamps the connecting plate, the first clamping component and the second clamping component are respectively clamped in clamping grooves in the left side and the right side of the connecting plate. The problem of coating thickness gauge when measuring higher position, still need stair or elevating platform to assist, make the eminence measure very inconvenient is solved.

Description

Coating thickness gauge for engineering supervision
Technical Field
The utility model relates to a building is monitored and is used measuring tool, concretely relates to coating calibrator that engineering was monitored and is used.
Background
Coating thickness gauge can the nondestructive measurement coating thickness gauge, the wide application is in building supervision, the coating thickness gauge has measuring error little, advantages such as reliability height, be the control with guarantee the indispensable detecting instrument of product quality ratio, the coating thickness gauge that uses at present is when measuring higher position, still need stair or elevating platform to assist, it is very inconvenient to make the eminence measure, so need a coating thickness gauge that engineering supervision used to solve this technical problem urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coating calibrator that engineering supervision used, solve the coating calibrator that uses at present and when measuring higher position, still need stair or elevating platform to assist, make the eminence measure very inconvenient problem.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a coating thickness gauge for engineering supervision comprises a thickness gauge body, a probe arranged on the thickness gauge body, a connecting plate and a clamp for clamping the connecting plate, wherein the connecting plate is detachably arranged on the thickness gauge body, and clamping grooves are formed in the left side and the right side of the connecting plate;
the fixture comprises a first clamping assembly, a second clamping assembly, a connector and a telescopic rod, one end of the telescopic rod is connected with the connector, the other end of the telescopic rod is provided with a handle, the first clamping assembly is fixedly installed on the connector, the second clamping assembly is movably installed on the connector, the first clamping assembly and the second clamping assembly are connected through a spring assembly, and when the fixture clamps the connecting plate, the first clamping assembly and the second clamping assembly are respectively clamped in clamping grooves in the left side and the right side of the connecting plate.
The further technical proposal is that the telescopic rod comprises a plurality of telescopic joints which are connected in sequence.
A further technical scheme is that the first clamping assembly is an upper clamping plate, the second clamping assembly is a lower clamping plate, the upper clamping plate comprises a first clamping plate and a first mounting plate which are integrally formed, one end of the first mounting plate is fixedly connected with the connector, the other end of the first mounting plate is connected with the first clamping plate, a first connecting column used for connecting the clamping groove is arranged on the lower side of the first clamping plate, the lower clamping plate comprises a second clamping plate and a second mounting plate which are integrally formed, one end of the second mounting plate is rotatably connected with the connector, the other end of the second mounting plate is connected with the second clamping plate, and a second connecting column used for connecting the clamping groove is arranged on the upper side of the second clamping plate;
the spring assembly is a second spring, and two ends of the second spring are respectively connected with the lower side of the first mounting plate and the upper side of the second mounting plate.
According to a further technical scheme, the first clamping assembly is a left clamping plate, the second clamping assembly is a right clamping plate, a connecting groove is formed in the other side, connected with the telescopic rod, of the connecting head, the left clamping plate is fixedly installed in the connecting groove, the right clamping plate is installed in the connecting groove in a sliding mode, a third connecting column used for being connected with the clamping groove is arranged on the right side of the left clamping plate, and a fourth connecting column used for being connected with the clamping groove is arranged on the left side of the right clamping plate;
the spring assembly is a third spring, one end of the third spring is connected with the right side of the left clamping plate, and the other end of the third spring is connected with the left side of the right clamping plate.
According to a further technical scheme, one side of the connecting plate is in screw connection with one side of the thickness gauge body, and a hanging buckle assembly is arranged on the other side of the connecting plate.
The further technical scheme is that the hanging buckle assembly comprises a transverse plate, a rotating plate and a hanging plate;
the hitch plate includes horizontal portion and perpendicular portion, the one end of horizontal portion links to each other with the connecting plate, and the other end links to each other with the upper end of perpendicular portion, the diaphragm is located the below of perpendicular portion, the vertical rotation of rotor plate is installed on the diaphragm, one side of rotor plate is hugged closely with the inboard of perpendicular portion, the opposite side of rotor plate passes through elastomeric element and links to each other with the connecting plate.
According to a further technical scheme, the elastic part is an elastic sheet, the elastic sheet is arc-shaped, and two ends of the elastic sheet are respectively connected with the rotating plate and the connecting plate.
According to a further technical scheme, the elastic component is a first spring, the first spring is transversely arranged, and two ends of the first spring are connected with the rotating plate and the connecting plate respectively.
Compared with the prior art, the beneficial effects of the utility model are that: probe on the calibrator body is used for detecting the thickness of coating, set up the connecting plate on the calibrator body, and set up the draw-in groove in the left and right sides of connecting plate, set up an anchor clamps simultaneously, anchor clamps include first centre gripping subassembly, the second centre gripping subassembly, connector and telescopic link, when needs are measured the eminence, the draw-in groove of connecting plate left and right sides is established through first centre gripping subassembly and second centre gripping subassembly card, and the card that makes the connecting plate stable through spring assembly is established between first centre gripping subassembly and second centre gripping subassembly, then the extension through the telescopic link, the calibrator body that makes can directly measure the coating of eminence, very convenient and fast.
Drawings
Fig. 1 is a front view of a coating thickness gauge used by the project manager of the present invention.
Fig. 2 is a side view of one embodiment of a coating thickness gauge for use by project supervision according to the present invention.
Fig. 3 is a side view of another embodiment of a coating thickness gauge for use by project supervision according to the present invention.
Fig. 4 is a schematic structural view of a first embodiment of the middle clamp of the present invention.
Fig. 5 is a schematic structural view of a second embodiment of the middle clamp according to the present invention.
Fig. 6 is a schematic structural view of a third embodiment of the middle clamp according to the present invention.
Icon: 1-thickness gauge body, 2-probe, 3-connecting plate, 4-transverse plate, 5-rotating plate, 6-hanging plate, 7-transverse part, 8-vertical part, 9-elastic sheet, 10-first spring, 11-clamp, 12-clamping groove, 13-connector, 14-telescopic rod, 15-handle, 16-upper clamping plate, 17-lower clamping plate, 18-first clamping plate, 19-first mounting plate, 20-first connecting column, 21-second clamping plate, 22-second mounting plate, 23-second connecting column, 24-second spring, 25-left clamping plate, 26-right clamping plate, 27-connecting groove, 28-third connecting column, 29-fourth connecting column and 30-third spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b):
fig. 1-6 show a preferred embodiment of the coating thickness gauge for engineering supervision of the present invention, the coating thickness gauge for engineering supervision in this embodiment specifically includes a thickness gauge body 1, a probe 2 disposed on the thickness gauge body 1, a connecting plate 3 and a clamp 11 for clamping the connecting plate 3, the connecting plate 3 is detachably mounted on the thickness gauge body 1, and the left and right sides of the connecting plate 3 are provided with clamping grooves 12; anchor clamps 11 include first centre gripping subassembly, the second centre gripping subassembly, connector 13 and telescopic link 14, the one end of telescopic link 14 links to each other with connector 13, the other end is equipped with handle 15, first centre gripping subassembly fixed mounting is on connector 13, second centre gripping subassembly movable mounting is on connector 13, first centre gripping subassembly and second centre gripping subassembly pass through spring assembly and link to each other, when 11 centre gripping connecting plates of anchor clamps 3, first centre gripping subassembly and second centre gripping subassembly block respectively and establish in draw-in groove 12 of the 3 left and right sides of connecting plate.
Probe 2 on calibrator body 1 is used for detecting the thickness of coating, set up connecting plate 3 on calibrator body 1, and set up draw-in groove 12 in the left and right sides of connecting plate 3, set up an anchor clamps 11 simultaneously, anchor clamps 11 include first centre gripping subassembly, the second centre gripping subassembly, connector 13 and telescopic link 14, when needs are measured the eminence, draw-in groove 12 of 3 left and right sides of connecting plate is established through first centre gripping subassembly and the card of second centre gripping subassembly card, and establish between first centre gripping subassembly and the second centre gripping subassembly through the stable card of spring assembly messenger connecting plate 3, then through the extension of telescopic link 14, make calibrator body 1 can directly measure the coating of eminence, very convenient and fast.
When using, the handheld handle 15 of measurement personnel will be earlier with the 3 centre gripping of connecting plate on the calibrator body 1 between first centre gripping subassembly and second centre gripping subassembly, then extension telescopic link 14, through the position of the 14 other ends of handle 15 control telescopic link, and then control the position of calibrator body 1 to the coating thickness to the eminence is measured.
The telescopic rod 14 comprises a plurality of telescopic joints which are connected in sequence. Namely, the telescopic rod 14 is similar to the telescopic part of an umbrella, the telescopic part of an old radio antenna or the telescopic part of a fishing rod.
As shown in fig. 4 and 5, the first clamping assembly is set as an upper clamping plate 16, the second clamping assembly is set as a lower clamping plate 17, the upper clamping plate 16 comprises a first clamping plate 18 and a first mounting plate 19 which are integrally formed, one end of the first mounting plate 19 is fixedly connected with the connector 13, the other end of the first mounting plate 19 is connected with the first clamping plate 18, a first connecting post 20 for connecting the clamping groove 12 is arranged on the lower side of the first clamping plate 18, the lower clamping plate 17 comprises a second clamping plate 21 and a second mounting plate 22 which are integrally formed, one end of the second mounting plate 22 is rotatably connected with the connector 13, the other end of the second mounting plate 22 is connected with the second clamping plate 21, and a second connecting post 23 for connecting the clamping groove 12 is arranged on the upper side of the second clamping; the spring assembly is a second spring 24, and two ends of the second spring 24 are respectively connected with the lower side of the first mounting plate 19 and the upper side of the second mounting plate 22. When using, will push down lower plate 17 earlier, make and form great connection breach between punch holder 16 and the lower plate 17, then place calibrator body 1 and connecting plate 3 in breach department, reset lower plate 17 through second spring 24 gradually, and make first spliced pole 20 on punch holder 16's the first grip block 18 and the second spliced pole 23 of the second grip block 21 of lower plate 17 block respectively in the draw-in groove 12 of connecting plate 3 both sides, thereby make connecting plate 3 and calibrator body 1 block establish between punch holder 16 and lower plate 17, realize stable the placing of connecting plate 3 and calibrator body 1. Set up the punch holder 16 into integrated into one piece's first grip block 18 and first mounting panel 19, make punch holder 16 have good structural stability and connection stability, first mounting panel 19 plays the effect of connecting connector 13, and play the effect of connecting second spring 24, first grip block 18 cooperates first spliced pole 20 to play the effect of connecting plate 3, set up punch holder 17 into integrated into one piece's second grip block 21 and second mounting panel 22, make punch holder 17 have good structural stability and connection stability, second mounting panel 22 plays the effect of rotating connection connector 13, and play the effect of connecting second spring 24, second grip block 21 cooperates second spliced pole 23 to play the effect of connecting plate 3.
In other embodiments of the present invention, the first clamping assembly is a left clamping plate 25, the second clamping assembly is a right clamping plate 26, the other side of the connecting head 13 connected to the telescopic rod 14 is provided with a connecting groove 27, the left clamping plate 25 is fixedly installed in the connecting groove 27, the right clamping plate 26 is slidably installed in the connecting groove 27, the right side of the left clamping plate 25 is provided with a third connecting post 28 for connecting the clamping groove 12, and the left side of the right clamping plate 26 is provided with a fourth connecting post 29 for connecting the clamping groove 12; the spring assembly is a third spring 30, one end of the third spring 30 is connected to the right side of the left clamping plate 25, and the other end is connected to the left side of the right clamping plate 26. When using, pull right splint 26 to the right earlier, form great connecting gap between left splint 25 and the right splint 26, then place calibrator body 1 and connecting plate 3 in breach department, make right splint 26 slide that resets to the left through third spring 30 gradually, make and make third spliced pole 28 on the left splint 25 and the fourth spliced pole 29 on the right splint 26 block respectively and establish in the draw-in groove 12 of the 3 left and right sides of connecting plate, thereby make connecting plate 3 and calibrator body 1 block establish between left splint 25 and right splint 26, realize stable the placing of connecting plate 3 and calibrator body 1. Sliding connection between right splint 26 and the connecting groove 27 is for can transversely setting up penetrating connecting hole through the position that is close to the downside at right splint 26, transversely sets up the connecting rod in connecting groove 27, makes the connecting rod set up in the connecting rod, alright messenger's right splint 26 slides along the length direction of connecting rod.
One side of connecting plate 3 and one side screw connection of calibrator body 1, the opposite side of connecting plate 3 is equipped with hangs the knot subassembly. The hanging buckle assembly comprises a transverse plate 4, a rotating plate 5 and a hanging plate 6; the hitch plate 6 comprises a transverse portion 7 and a vertical portion 8, one end of the transverse portion 7 is connected with the connecting plate 3, the other end of the transverse portion is connected with the upper end of the vertical portion 8, the transverse plate 4 is located below the vertical portion 8, the rotating plate 5 is vertically rotated and installed on the transverse plate 4, one side of the rotating plate 5 is tightly attached to the inner side of the vertical portion 8, and the other side of the rotating plate 5 is connected with the connecting plate 3 through an elastic component.
The connecting plate 3 can be dismantled with the calibrator body 1 through the mode of screwed connection and link to each other, and is concrete, all is provided with a plurality of connecting holes on connecting plate 3 and calibrator body 1, and the screw hole on the connecting plate 3 is the same with screw hole quantity and the position one-to-one on the calibrator body 1, then screws into screw hole on connecting plate 3 and the screw hole on the calibrator body 1 in proper order through the screw, makes connecting plate 3 and calibrator body 1 form screwed connection.
Set up diaphragm 4 at the opposite side of connecting plate 3, rotor plate 5 and hitch plate 6, set up hitch plate 6 into horizontal portion 7 and vertical portion 8, hitch plate 6 approximately is "L" font promptly, alright hang calibrator body 1 on the clothing through hitch plate 6, be convenient for place and carry of calibrator body 1 when using, rotor plate 5 is with the shutoff of the opening of hitch plate 6 downside, and the keysets passes through elastomeric element and links to each other with connecting plate 3, and then utilize elastomeric element's elasticity to make rotor plate 5 can rotate by oneself and reset.
When articulating thickness gauge body 1 on trousers buckle, earlier with 5 inwards pressings of rotor plate, elastomeric element is inwards shrink, make the opening of hitch plate 6 downside open, alright make the belt buckle set up in hitch plate 6, then automatic return function through elastomeric element makes rotor plate 5 rotate that resets, rotor plate 5 is again with the opening shutoff of hitch plate 6 downside, and then make hitch plate 6 firmly hang on trousers belt buckle, the carrying of the very thickness gauge body 1 of being convenient for.
When needing to be taken down from trousers belt buckle, inwards press into rotor plate 5 earlier in the same time, and elastic component inwards contracts this moment, makes the opening of hitch plate 6 downside open, alright light take down calibrator body 1 and detect the coating thickness.
When the thickness gauge body 1 is hung on a pocket of clothes or trousers, the same operation method is adopted, the rotating plate 5 is pressed inwards, the elastic component shrinks inwards, an opening on the lower side of the hanging plate 6 is opened, then the thickness gauge body 1 is hung on the pocket of the clothes or trousers, the rotating plate 5 is opened, the elasticity of the elastic component can be utilized to enable the rotating plate 5 and the vertical part 8 of the hanging plate 6 to be matched to play a clamping role, and the thickness gauge body 1 can be placed conveniently and firmly.
Aforementioned diaphragm 4 and connecting plate 3 are integrated into one piece's structure, or can realize being connected between diaphragm 4 and the connecting plate 3 through the mode of screw connection, and rotation between diaphragm 4 and the rotor plate 5 is connected and is realized through bearing frame and pivot complex mode, and the horizontal part 7 and the perpendicular 8 structure that are integrated into one piece of fishplate bar 6 can make fishplate bar 6 have fine structural stability like this.
Wherein elastic component, diaphragm 4, rotor plate 5 and hitch plate 6 all set up to two to equal height and parallel arrangement are all had to two elastic component, diaphragm 4, rotor plate 5 and hitch plate 6.
The elastic component is an elastic sheet 9, the elastic sheet 9 is arc-shaped, and two ends of the elastic sheet 9 are respectively connected with the rotating plate 5 and the connecting plate 3. The section of the elastic sheet 9 is arc-shaped, the elastic sheet 9 can be set into an upward bending shape shown in the attached drawing, one end of the elastic sheet 9 can be fixed on the connecting plate 3, and the other end of the elastic sheet abuts against the inner side of the rotating plate 5, or one end of the elastic sheet 9 can be fixed on the inner side of the rotating plate 5, and the other end of the elastic sheet abuts against the connecting plate 3; the utility model discloses an in other embodiments, can also set up flexible sheet 9 into the shape of downwarping, the same one end that can make flexible sheet 9 is fixed on connecting plate 3, and the other end supports and leans on the inboard at rotor plate 5, or can make the one end of flexible sheet 9 fix the inboard at rotor plate 5, and the other end supports and leans on connecting plate 3 the utility model discloses an in other embodiments, elastomeric element is first spring 10, and first spring 10 transversely sets up, and the both ends of first spring 10 are fixed continuous with rotor plate 5 and connecting plate 3 respectively, after rotor plate 5 inwards presses and loosens, alright drive rotor plate 5 antiport through the reply function of first spring 10 self, realize the vertical reset of rotor plate 5.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (8)

1. The utility model provides a coating calibrator that engineering was managed and was used, includes calibrator body (1) and sets up probe (2) on calibrator body (1), its characterized in that: the thickness gauge is characterized by further comprising a connecting plate (3) and a clamp (11) used for clamping the connecting plate (3), wherein the connecting plate (3) is detachably mounted on the thickness gauge body (1), and clamping grooves (12) are formed in the left side and the right side of the connecting plate (3);
anchor clamps (11) include first centre gripping subassembly, second centre gripping subassembly, connector (13) and telescopic link (14), the one end of telescopic link (14) links to each other with connector (13), and the other end is equipped with handle (15), first centre gripping subassembly fixed mounting is on connector (13), second centre gripping subassembly movable mounting is on connector (13), first centre gripping subassembly and second centre gripping subassembly pass through spring assembly and link to each other during anchor clamps (11) centre gripping connecting plate (3), first centre gripping subassembly and second centre gripping subassembly block respectively and establish in draw-in groove (12) of connecting plate (3) the left and right sides.
2. A coating thickness gauge for use by project supervision according to claim 1, characterized in that: the telescopic rod (14) comprises a plurality of telescopic joints which are connected in sequence.
3. A coating thickness gauge for use by project supervision according to claim 1, characterized in that: the clamping device comprises a first clamping assembly, a second clamping assembly, a connecting head (13), a first clamping plate (18) and a first mounting plate (19), wherein the first clamping assembly is an upper clamping plate (16), the second clamping assembly is a lower clamping plate (17), the upper clamping plate (16) comprises the first clamping plate (18) and the first mounting plate (19) which are integrally formed, one end of the first mounting plate (19) is fixedly connected with the connecting head (13), the other end of the first clamping plate is connected with the first clamping plate (18), a first connecting column (20) used for connecting a clamping groove (12) is arranged on the lower side of the first clamping plate (18), the lower clamping plate (17) comprises a second clamping plate (21) and a second mounting plate (22) which are integrally formed, one end of the second mounting plate (22) is rotatably connected with the connecting head (13), the other end of the second clamping plate is connected with the second clamping plate (21), and a second connecting column;
the spring assembly is a second spring (24), and two ends of the second spring (24) are respectively connected with the lower side of the first mounting plate (19) and the upper side of the second mounting plate (22).
4. A coating thickness gauge for use by project supervision according to claim 1, characterized in that: the first clamping assembly is a left clamping plate (25), the second clamping assembly is a right clamping plate (26), a connecting groove (27) is formed in the other side, connected with the telescopic rod (14), of the connector (13), the left clamping plate (25) is fixedly installed in the connecting groove (27), the right clamping plate (26) is slidably installed in the connecting groove (27), a third connecting column (28) used for being connected with the clamping groove (12) is arranged on the right side of the left clamping plate (25), and a fourth connecting column (29) used for being connected with the clamping groove (12) is arranged on the left side of the right clamping plate (26);
the spring assembly is a third spring (30), one end of the third spring (30) is connected with the right side of the left clamping plate (25), and the other end of the third spring is connected with the left side of the right clamping plate (26).
5. A coating thickness gauge for use by project supervision according to any one of claims 1 to 4, characterized in that: one side of the connecting plate (3) is in screw connection with one side of the thickness gauge body (1), and the other side of the connecting plate (3) is provided with a hanging buckle assembly.
6. A coating thickness gauge for use by project supervision according to claim 5, characterized in that: the hanging buckle assembly comprises a transverse plate (4), a rotating plate (5) and a hanging plate (6);
hitch plate (6) include horizontal portion (7) and perpendicular portion (8), the one end of horizontal portion (7) links to each other with connecting plate (3), and the other end links to each other with the upper end of perpendicular portion (8), diaphragm (4) are located the below of perpendicular portion (8), the vertical rotation of rotor plate (5) is installed on diaphragm (4), one side of rotor plate (5) is hugged closely with the inboard of perpendicular portion (8), the opposite side of rotor plate (5) passes through elastomeric element and links to each other with connecting plate (3).
7. A coating thickness gauge for use by project supervision according to claim 6, characterized in that: the elastic component is an elastic sheet (9), the elastic sheet (9) is arc-shaped, and two ends of the elastic sheet (9) are respectively connected with the rotating plate (5) and the connecting plate (3).
8. A coating thickness gauge for use by project supervision according to claim 6, characterized in that: the elastic component is a first spring (10), the first spring (10) is transversely arranged, and two ends of the first spring (10) are respectively connected with the rotating plate (5) and the connecting plate (3).
CN201922408161.5U 2019-12-28 2019-12-28 Coating thickness gauge for engineering supervision Active CN210922557U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922408161.5U CN210922557U (en) 2019-12-28 2019-12-28 Coating thickness gauge for engineering supervision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922408161.5U CN210922557U (en) 2019-12-28 2019-12-28 Coating thickness gauge for engineering supervision

Publications (1)

Publication Number Publication Date
CN210922557U true CN210922557U (en) 2020-07-03

Family

ID=71346924

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922408161.5U Active CN210922557U (en) 2019-12-28 2019-12-28 Coating thickness gauge for engineering supervision

Country Status (1)

Country Link
CN (1) CN210922557U (en)

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Address after: No. 1301, 13th floor, unit 1, building 3, No. 155, West 1st section of 2nd Ring Road, Qingyang District, Chengdu, Sichuan 610000

Patentee after: Zhongyun Sifang Construction Group Co.,Ltd.

Address before: No. 1301, 13th floor, unit 1, building 3, No. 155, West 1st section of 2nd Ring Road, Qingyang District, Chengdu, Sichuan 610000

Patentee before: Chengdu Sifang Construction Project Management Co.,Ltd.

CP01 Change in the name or title of a patent holder