CN207812967U - A kind of cement apparatus for leveling - Google Patents

A kind of cement apparatus for leveling Download PDF

Info

Publication number
CN207812967U
CN207812967U CN201820161771.2U CN201820161771U CN207812967U CN 207812967 U CN207812967 U CN 207812967U CN 201820161771 U CN201820161771 U CN 201820161771U CN 207812967 U CN207812967 U CN 207812967U
Authority
CN
China
Prior art keywords
pressure roller
cement
guide rod
scraper plate
leveling
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
CN201820161771.2U
Other languages
Chinese (zh)
Inventor
雷智勇
徐略
何涛
刘雪妹
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.)
Guangdong Liang Liang Building Engineering Co Ltd
Original Assignee
Guangdong Liang Liang Building 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 Guangdong Liang Liang Building Engineering Co Ltd filed Critical Guangdong Liang Liang Building Engineering Co Ltd
Priority to CN201820161771.2U priority Critical patent/CN207812967U/en
Application granted granted Critical
Publication of CN207812967U publication Critical patent/CN207812967U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The utility model is related to construction machines, relate to a kind of cement apparatus for leveling, solve the problems, such as that pressure roller is easy to slide in the width direction of guide rod, it includes two guide rods being layed on cement flooring and the pressure roller across two guide rods, the guide rod is arranged above sliding slot, it is arranged with rolling bearing on the pressure roller, the inner ring of the rolling bearing is connect with pressure roller, the outer ring of the rolling bearing is provided with the sliding block being slidably connected with sliding slot, sliding block on housing washer slides on sliding slot, the outer ring of rolling bearing can only be slided along the length direction of guide rod, so that pressure roller is rolled along the length direction of guide rod on the guide bar, and it can more steadily flatten cement flooring.

Description

A kind of cement apparatus for leveling
Technical field
The utility model is related to construction machine, more particularly to a kind of cement apparatus for leveling.
Background technology
To flatness requirement height, existing is mostly using first in the cement flooring that needs flatten for building ground concrete construction Upper laying guide rod, then pressure roller is placed on the guide bar, the artificial method for pushing pressure roller is struck off and is smeared to cement flooring Light, during being flattened to cement flooring, pressure roller is easy that sliding occurs and influences in the width direction of guide rod Leveling work of the pressure roller on cement flooring, to influence the flatness of cement flooring.
Utility model content
The purpose of this utility model is to provide a kind of cement apparatus for leveling, the sliding block on housing washer slides on cunning The outer ring of slot, rolling bearing can only be slided along the length direction of guide rod so that pressure roller is on the guide bar along the length of guide rod Direction rolls, and can more steadily flatten cement flooring.
The above-mentioned technical purpose of the utility model technical scheme is that:
A kind of cement apparatus for leveling, including two guide rods being layed on cement flooring and the pressure across two guide rods Roller, the guide rod are arranged above sliding slot, are arranged with rolling bearing on the pressure roller, the inner ring of the rolling bearing with Pressure roller connects, and the outer ring of the rolling bearing is provided with the sliding block being slidably connected with sliding slot.
Using the above structure, pressure roller is placed on the guide bar, and the inner ring of rolling bearing is rotated with the rotation of pressure roller, sliding block It is slid into from one end of sliding slot, and the outer ring of rolling bearing is slided on the guide bar with sliding of the sliding block in sliding slot, due to The restriction effect of sliding slot, pressure roller will not slide in the width direction of guide rod, and pressure roller can be along guide rod more steadily Simultaneously grade is rolled, the flatness of cement flooring is improved.
The utility model is further arranged to the cement apparatus for leveling:Scraper plate on the guide bar is set, it is described The first connecting plate is provided on scraper plate, the outer ring of the rolling bearing is provided with the second connecting plate, is set on first connecting plate It is equipped with the connecting rod that vertical sliding motion is arranged in the second connecting plate, driving scraper plate is additionally provided on the cement apparatus for leveling in guide rod Width direction on the driving mechanism that reciprocatingly slides.
Using the above structure, the connecting rod of the second connecting plate is arranged in by vertical sliding motion on the first connecting plate, by pressure roller It is connected with scraper plate, drives scraper plate to be slided on cement flooring to be flattened when pressure roller rolls;And since cement exists centainly Adsorptivity, when scraper plate is slided with the rotating direction of pressure roller, the cement on uneven cement flooring is pushed and is deposited in by scraper plate The front of scraper plate, the resistance that scraper plate sliding is subject to increase, and cause manually to push pressure roller rolling time-consuming and laborious, pass through driving mechanism Effect is so that width direction while scraper plate is slided along pressure roller rotating direction in guide rod reciprocatingly slides so that scraper plate more holds It is easily slided on cement flooring, improves working efficiency.
The utility model is further arranged to the driving mechanism:
The supporting rod being fixedly installed on any rolling bearing, on the supporting rod rotation connection be parallel to guide rod Shaft;
The cam being fixedly installed on shaft one end is fixedly connected with push plate, the long axis of the cam on the scraper plate Scraper plate is pushed to be slided along the width direction of guide rod when end is abutted with push plate;
It is provided with elastic component between first connecting plate and the second connecting plate.
Using the above structure, rotating shaft, cam rotate therewith, and when cam turns to its longitudinal end and abutted with push plate, scrape Plate is pushed and is slided in the width direction of guide rod, and cam is rotated further, when the longitudinal end of cam is no longer abutted with push plate, Resilient element urges scraper plate reverse slide in the width direction of guide rod, is rotated further shaft, to realize scraper plate in guide rod Width direction on reciprocatingly slide, it is easy to operate, quick.
The utility model is further arranged to be provided with linkage mechanism between the scraper plate and pressure roller, which is pressing Double-linked cam rotates when roller rolls and flattens cement flooring.
Using the above structure, it in pressure roller rolling process, is rotated by linkage mechanism double-linked cam so that the longitudinal end of cam Constantly abuts and detach with push plate, it is easy to operate, fast to drive scraper plate to reciprocatingly slide in the width direction of guide rod It is prompt.
The utility model is further arranged to be provided through the pressure roller shaft in the pressure roller both ends of the surface center of circle on the pressure roller, described Pressure roller shaft is stretched out from the both ends of the surface of pressure roller, and the linkage mechanism includes:Be fixedly installed on respectively the other end of the shaft with Bevel gear in pressure roller shaft, two bevel gears are meshed.
Using the above structure, it when pressure roller shaft is rotated with the rolling of pressure roller, is meshed by two in pressure roller shaft and shaft Bevel gear, linkage shaft rotation, to drive be arranged in shaft cam rotation, it is easy to operate.
It further includes two push rods, one end connection of the push rod that the utility model, which is further arranged to the cement apparatus for leveling, There are sleeve, the side connection of the push rod and sleeve, the sleeve to be sheathed on the part that pressure roller shaft stretches out pressure roller end face.
Using the above structure, sleeve is set in pressure roller shaft, and sleeve can rotate in pressure roller shaft, according to the body of operator Angle between high adjustable push rod and pressure roller shaft is easy to operate with the height for the person that adapts to different operation.
The part that the utility model is further arranged to pressure roller shaft stretching pressure roller end face is provided with screw thread, the pressure roller Nut is threaded on the thread segment of axis, the area of the nut cross section outer profile inscribed circle is more than sleeve cross section foreign steamer The area of exterior feature circle.
Using the above structure, the area of the tightening nut in pressure roller shaft, nut cross section outer profile inscribed circle is more than sleeve The area of cross section outer profile circle, prevents sleeve from deviating from from the end of pressure roller shaft so that when operator pushes pressure roller using push rod, Pressure roller can be rolled more steadily.
The utility model is further arranged to connect by a fixed link between the push rod.
Using the above structure, in actual mechanical process, relatively far apart due to two push rods, in order to which pressure roller can steadily exist It is rolled on cement flooring, two push rods are respectively necessary for operator's control, and are connected by fixed link between two push rods, only need A bit manipulation person is wanted to control fixed link, you can to push pressure roller that it is made to be rolled on cement flooring, save labour.
In conclusion the utility model has the advantages that:It is arranged with rolling bearing outside pressure roller, is set on rolling bearing It is equipped with sliding block, sliding block is slidably connected in the sliding slot being set to right over guide rod, and the inner ring of rolling bearing is fixed with pressure roller to be connected It connects, outer ring is slided on the guide bar by sliding of the sliding block in sliding slot so that pressure roller is not easy the width direction in guide rod It is upper to slide, so that pressure roller can more smoothly flatten cement flooring;Pass through vertical sliding motion between pressure roller and scraper plate The connecting rod connection for being arranged in the second connecting plate and being set on the first connecting plate, and the first connecting plate is arranged in rolling bearing On outer ring, scraper plate is driven to be slided on cement flooring and further flatten cement flooring when pressure roller rolls.
Description of the drawings
Fig. 1 is the overall structure figure in the present embodiment;
Fig. 2 is the structure chart at a driving mechanism and a linkage mechanism in the present embodiment.
Reference numeral:1, guide rod;2, sliding slot;3, pressure roller;4, sliding block;5, rolling bearing;6, scraper plate;7, the first connection Plate;8, the second connecting plate;9, connecting rod;10, pressure roller shaft;11, driving mechanism;111, supporting rod;112, shaft;113, cam; 114, push plate;115, spring;12, linkage mechanism;121, bevel gear;13, push rod;14, sleeve;15, hex nut;16, fixed Bar.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
The following specific examples of the utility model is only the explanation to the utility model, is not new to this practicality The limitation of type, those skilled in the art can as needed make without creativeness the present embodiment after reading this specification The modification of contribution, but as long as all being protected by Patent Law in the right of the utility model.
A kind of cement apparatus for leveling, as depicted in figs. 1 and 2, including be layed in the steel bar layer of cement flooring two guiding Bar 1 and across the pressure roller 3 on two guide rods 1, and pressure roller 3 is perpendicular to two guide rods 1, the surface of two guide rods 1 Sliding slot 2 is removably connected with by bolt, 3 both ends of pressure roller are arranged with rolling bearing 5, inner ring and the pressure roller 3 of rolling bearing 5 It is fixedly connected, is fixedly installed the sliding block 4 being slidably connected on sliding slot 2 on outer ring, the cross section of sliding block 4 is transversal with sliding slot 2 The " T " shape setting in face.
Pressure roller 3 is placed on two guide rods 1, and the sliding block 4 on 5 outer ring of rolling bearing is slidably connected on sliding slot 2, pressure Roller 3 is not easy to slide in the width direction of guide rod 1, pressure roller 3 can more steadily on guide rod 1 roll and it is whole Flat cement flooring.
It is set on two guide rods 1 and is crossed with scraper plate 6, the first connecting plate 7, the axis of rolling of pressure roller 3 are fixedly connected on scraper plate 6 It holds and has been fixedly connected with the second connecting plate 8 on 5, connecting rod 9 is fixedly connected on the first connecting plate 7,9 vertical sliding motion of connecting rod is worn Set on the second connecting plate 8.
When pressure roller 3 rolls, drives scraper plate 6 to be slided on cement flooring and make the further leveling cement flooring of scraper plate 6.
The cement apparatus for leveling further includes that driving scraper plate 6 is arranged between pressure roller 3 and scraper plate 6 in the width side of guide rod 1 The driving mechanism 11 to reciprocatingly slide upwards.The driving mechanism 11 includes:The supporting rod being fixedly connected on any rolling bearing 5 111, on the supporting rod 111 rotation connection be parallel to the shaft 112 of guide rod 1;It is fixedly connected on 112 one end of shaft Cam 113 is fixedly connected with push plate 114 on scraper plate 6, and when the longitudinal end of cam 113 is abutted with push plate 114, cam 113 pushes away Width direction of the plate 114 together with scraper plate 6 in 1 upper edge guide rod 1 of guide rod is slided;It is arranged with elastic component in connecting rod 9, the elasticity Part is specially spring 115, and one end of spring 115 is fixedly connected with the first connecting plate 7, and the other end and the second connecting plate 8 are fixed and connected It connects;When the short axle end of cam 113 is abutted with push plate 114, push plate 114 is together with scraper plate 6 in guide rod 1 under the action of spring 115 The width direction reverse slide of upper edge guide rod 1.
Linkage mechanism 12 is provided between scraper plate 6 and pressure roller 3, which rolls in pressure roller 3 and flatten concrete floor Cam 113 is interlocked when face to rotate.
It is fixedly connected with the pressure roller shaft 10 across the 3 both ends of the surface center of circle of pressure roller on pressure roller 3, and pressure roller shaft 10 is from pressure roller 3 Both ends of the surface are stretched out.The linkage mechanism 12 includes being respectively fixedly connected with to stretch out pressure roller 3 in the other end of shaft 112 and pressure roller shaft 10 The bevel gear 121 of end face part, two bevel gears 121 are meshed.
The cement apparatus for leveling further includes two push rods 13, and one end of two push rods 13 is both provided with sleeve 14, push rod 13 It is fixedly connected with the side of sleeve 14, two sleeves 14 are sheathed on the part that pressure roller shaft 10 stretches out 3 both ends of the surface of pressure roller respectively;And two It is fixedly connected by fixed link 16 between push rod 13.
Sleeve 14 is set in pressure roller shaft 10, and sleeve 14 can rotate in pressure roller shaft 10, can according to the height of operator Angle between adjustment push rod 13 and pressure roller shaft 10 is with the height for the person that adapts to different operation;And push pressure roller 3 that it is made to be oriented to It is rolled on bar 1, it is only necessary to which a bit manipulation person pushes fixed link 16, easy to operate, saves labour.
The part that pressure roller shaft 10 stretches out 3 end face of pressure roller is provided with screw thread, and the thread segment of pressure roller shaft 10 is threaded with nut, The nut is specially hex nut 15, and the outer profile of 15 cross section of hex nut is in regular hexagon, the foreign steamer of 14 cross section of sleeve Wide rounded, the area of above-mentioned regular hexagon inscribed circle is more than the area of 14 cross section outer profile circle of sleeve.
Prevent sleeve 14 from deviating from from the end of pressure roller shaft 10 so that when operator pushes pressure roller 3 using push rod 13, pressure roller 3 It can more steadily be rolled on guide rod 1.
Specific work process:When flattening cement flooring using the cement apparatus for leveling, steel bar layer is first laid on concrete floor On face, the joints cement on cement flooring re-lays guide rod 1, and sliding block 4 is slid into from one end of sliding slot 2 in sliding slot 2 so that Pressure roller 3 and scraper plate 6 are across two guide rods 1, then sliding slot 2 is installed on guide rod 1.
Sleeve 14 is inserted in pressure roller shaft 10, and tightening nut so that sleeve 14 is not easy de- from the end of pressure roller shaft 10 Go out.Adjust the angle between push rod 13 and pressure roller shaft 10 so that push rod 13 adapts to the height of operator, pushes fixed link 16, makes It obtains sliding block 4 to slide on sliding slot 2, pressure roller 3 rolls on guide rod 1 and flattens cement flooring.
Pressure roller shaft 10 is rotated with the rotation of pressure roller 3, and pressure roller shaft 10 is nibbled with two 121 phases of bevel gear in shaft 112 It closes, and shaft 112 is driven to rotate, cam 113 rotates therewith;When the longitudinal end of cam 113 is abutted with push plate 114, push plate is pushed 114 and scraper plate 6 slided in the width direction of guide rod 1;When the longitudinal end of cam 113 is disengaged with push plate 114, spring 115 push push plate 114 and scraper plate 6 reverse slide in the width direction of guide rod 1 so that scraper plate 6 can be more easily whole Flat cement flooring.

Claims (8)

1. a kind of cement apparatus for leveling, including two guide rods (1) being layed on cement flooring and across two guide rods (1) Pressure roller (3), it is characterized in that:It is both provided with sliding slot (2) right over the guide rod (1), rolling is arranged on the pressure roller (3) The inner ring of dynamic bearing (5), the rolling bearing (5) is connect with pressure roller (3), and the outer ring of the rolling bearing (5) is provided with and slides The sliding block (4) that slot (2) is slidably connected.
2. a kind of cement apparatus for leveling according to claim 1, it is characterized in that:The cement apparatus for leveling further includes:Setting Scraper plate (6) on guide rod (1) is provided with the first connecting plate (7), the outer ring of the rolling bearing (5) on the scraper plate (6) It is provided with the second connecting plate (8), the company that vertical sliding motion is arranged in the second connecting plate (8) is provided on first connecting plate (7) Extension bar (9), the scraper plate(6)With pressure roller(3)Between to be provided with driving scraper plate (6) reciprocal in the width direction of guide rod (1) The driving mechanism (11) of sliding.
3. a kind of cement apparatus for leveling according to claim 2, it is characterized in that:The driving mechanism (11) includes:
The supporting rod (111) being fixedly installed on any rolling bearing (5) is rotatably connected on the supporting rod (111) parallel In guide rod(1)Shaft (112);
The cam (113) being fixedly installed on shaft (112) one end is fixedly connected with push plate (114) on the scraper plate (6), Scraper plate (6) is pushed to be slided along the width direction of guide rod (1) when the longitudinal end of the cam (113) is abutted with push plate (114);
It is provided with elastic component between first connecting plate (7) and the second connecting plate (8).
4. a kind of cement apparatus for leveling according to claim 3, it is characterized in that:It is set between the scraper plate (6) and pressure roller (3) It is equipped with linkage mechanism (12), the linkage mechanism (12) double-linked cam (113) when pressure roller (3) rolls and flattens cement flooring turns It is dynamic.
5. a kind of cement apparatus for leveling according to claim 4, it is characterized in that:It is provided through pressure on the pressure roller (3) The pressure roller shaft in roller (3) both ends of the surface center of circle(10), the pressure roller shaft(10)It is stretched out from the both ends of the surface of pressure roller (3), the linkage mechanism (12) include:It is fixedly installed on the other end and the pressure roller shaft of the shaft (112) respectively(10)On bevel gear (121), two Bevel gear (121) is meshed.
6. a kind of cement apparatus for leveling according to claim 5, it is characterized in that:The cement apparatus for leveling, which further includes two, to be pushed away One end of bar (13), the push rod (13) is connected with sleeve (14), and the push rod (13) connect with the side of sleeve (14), described Sleeve (14) is sheathed on pressure roller shaft(10)Stretch out the part of pressure roller (3) both ends of the surface.
7. a kind of cement apparatus for leveling according to claim 6, it is characterized in that:The pressure roller shaft(10)Stretch out the portion of end face Divide and is both provided with screw thread, the pressure roller shaft(10)Thread segment on be threaded with nut (15), nut (15) cross section The area of outer profile inscribed circle is more than the area of sleeve (14) cross section outer profile circle.
8. a kind of cement apparatus for leveling according to claim 6, it is characterized in that:Pass through fixed link between the push rod (13) (16) it connects.
CN201820161771.2U 2018-01-29 2018-01-29 A kind of cement apparatus for leveling Active CN207812967U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820161771.2U CN207812967U (en) 2018-01-29 2018-01-29 A kind of cement apparatus for leveling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820161771.2U CN207812967U (en) 2018-01-29 2018-01-29 A kind of cement apparatus for leveling

Publications (1)

Publication Number Publication Date
CN207812967U true CN207812967U (en) 2018-09-04

Family

ID=63322860

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820161771.2U Active CN207812967U (en) 2018-01-29 2018-01-29 A kind of cement apparatus for leveling

Country Status (1)

Country Link
CN (1) CN207812967U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374074A (en) * 2019-07-17 2019-10-25 姚磊 A kind of cement is poured with compressing levelling means
CN110485728A (en) * 2019-08-30 2019-11-22 郭庆业 A kind of rubber plastic blend waterproof coiled material construction method
CN111119459A (en) * 2019-12-09 2020-05-08 王勇 Cement leveling device
CN111535561A (en) * 2020-05-27 2020-08-14 衢州学院 Cast-in-place cement ground leveling device
CN113210187A (en) * 2021-04-13 2021-08-06 刘雪妹 Coating method of non-film fireproof paint for preparing fireproof metal plate

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374074A (en) * 2019-07-17 2019-10-25 姚磊 A kind of cement is poured with compressing levelling means
CN110485728A (en) * 2019-08-30 2019-11-22 郭庆业 A kind of rubber plastic blend waterproof coiled material construction method
CN111119459A (en) * 2019-12-09 2020-05-08 王勇 Cement leveling device
CN111535561A (en) * 2020-05-27 2020-08-14 衢州学院 Cast-in-place cement ground leveling device
CN111535561B (en) * 2020-05-27 2021-09-21 衢州学院 Cast-in-place cement ground leveling device
CN113210187A (en) * 2021-04-13 2021-08-06 刘雪妹 Coating method of non-film fireproof paint for preparing fireproof metal plate

Similar Documents

Publication Publication Date Title
CN207812967U (en) A kind of cement apparatus for leveling
CN203830228U (en) Scraping knife mechanism for cementing decorating machine
CN108100724A (en) A kind of quick wrap-up of construction site environmental protection Dense mesh screen
CN204770063U (en) Novel steel pipe channelling machine autoloading device
CA2896506C (en) Roller cleaner
DE60002842T2 (en) bulldozer
CN103334578B (en) Semi-automatic multifunction wall surface mortar strikes off trowelling machine
CN107792726A (en) A kind of Yarn winding device of elasticizer
CN214885599U (en) Wall plastering device
CN207126737U (en) Cement products cleaning brush sizing device
CN114293743B (en) Mobile floor tile joint construction device
CN112177359B (en) Masonry mortar joint thickness control device and method
CN212956038U (en) Environment-friendly plastic course solvent-free glue laying device
CN211915092U (en) Plate rolling machine
CN108193582A (en) A kind of highway repairs quick pressuring flat device with small crack
CN209670374U (en) A kind of pressure roller convenient for laying water-proof coiled material
CN207806268U (en) A kind of adjustable type bending mechanism
CN207391766U (en) A kind of multi-functional device for sizing
CN220538334U (en) Cement trowelling device is repaired to road
CN216809479U (en) Anti-cracking base cloth paving vehicle
CN213062804U (en) Painting device for ceiling wallboard decoration
CN220449224U (en) Automatic winding mechanism for waterproof coiled material production
CN216503936U (en) Hand mill
CN204525145U (en) Steel pipe polishing pay-off
CN220487026U (en) Ground leveling equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Cement leveling device

Effective date of registration: 20191030

Granted publication date: 20180904

Pledgee: China Construction Bank Co.,Ltd. Guangzhou Haizhu Branch

Pledgor: GUANGDONG LIANG LIANG CONSTRUCTION ENGINEERING CO.,LTD.

Registration number: Y2019440000155

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230310

Granted publication date: 20180904

Pledgee: China Construction Bank Co.,Ltd. Guangzhou Haizhu Branch

Pledgor: GUANGDONG LIANG LIANG CONSTRUCTION ENGINEERING CO.,LTD.

Registration number: Y2019440000155

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A cement leveling device

Effective date of registration: 20230316

Granted publication date: 20180904

Pledgee: China Construction Bank Co.,Ltd. Guangzhou Haizhu Branch

Pledgor: GUANGDONG LIANG LIANG CONSTRUCTION ENGINEERING CO.,LTD.

Registration number: Y2023980035167

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20180904

Pledgee: China Construction Bank Co.,Ltd. Guangzhou Haizhu Branch

Pledgor: GUANGDONG LIANG LIANG CONSTRUCTION ENGINEERING CO.,LTD.

Registration number: Y2023980035167