CN114809677A - Construction method capable of accurately controlling slurry spreading amount during wall building - Google Patents
Construction method capable of accurately controlling slurry spreading amount during wall building Download PDFInfo
- Publication number
- CN114809677A CN114809677A CN202210495593.8A CN202210495593A CN114809677A CN 114809677 A CN114809677 A CN 114809677A CN 202210495593 A CN202210495593 A CN 202210495593A CN 114809677 A CN114809677 A CN 114809677A
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- mortar
- wall body
- thickness control
- top end
- control strip
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000002002 slurry Substances 0.000 title claims description 34
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 96
- 239000011449 brick Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/20—Tools or apparatus for applying mortar
- E04G21/207—Static templates for applying a predefined layer of mortar
Abstract
The invention discloses a construction method capable of accurately controlling the mortar spreading amount during wall masonry, which solves the problems of how to conveniently and regularly spread mortar and perform pointing; the quantitative mould is movably clamped on the top end surface of a masonry wall body, scientific and reasonable mortar spreading thickness is calculated according to the characteristics and stress analysis of the masonry body, a rectangular frame is manufactured according to the thickness, L-shaped bayonets are arranged on the lower bottom surface of the rectangular frame, the rectangular frame movably rides on the top end surface of the masonry wall body through the two L-shaped bayonets, mortar is spread in the rectangular frame, the upper surface of a mortar spreading layer is flush with the upper top surface of the rectangular frame, so that accurate quantitative control of mortar spreading is realized, and after mortar spreading is finished, the rectangular frame slides to an adjacent position along the trend of the wall body, and continuous mortar spreading on the wall body is realized; the vertical flatness, the full mortar joint, the consistent mortar thickness and the beautiful appearance of the wall body during the construction of the wall body are ensured.
Description
Technical Field
The invention relates to a secondary structure masonry wall, in particular to a combined device capable of accurately controlling the mortar spreading thickness of brickwork and moving a pointing in secondary wall masonry, and a construction method for finishing mortar spreading and pointing at one time.
Background
In the construction of the shear wall frame of the high-rise building, secondary structure masonry walls are arranged, and in the wall masonry construction, the uniformity of the mortar spreading thickness of the building blocks and the quality of mortar joint treatment directly influence the appearance of the masonry wall and indirectly influence the stability of the wall; the mortar spreading and mortar joint between the upper building block and the lower building block has the following functions: firstly, the building block has the bonding effect between the building blocks and forms the shear strength between the brickworks; secondly, the pressure transmission function is realized under the compression state of the masonry, so that the compression strength of the masonry is influenced to a certain extent; the plumpness of mortar joints of masonry and the thickness of mortar paving are links which need to be monitored in construction, and the mortar paving thickness of the masonry is not controlled well and the jointing operation is not standard in the construction process, so that the basic requirement of vertical and flat mortar joints of walls cannot be met, and the quality of the whole masonry engineering is influenced to a certain extent; the problem to be solved on site is how to carry out the slurry paving operation conveniently and standardly and finish the pointing work of the mortar joint with high quality.
Disclosure of Invention
A construction method capable of accurately controlling the mortar spreading amount during wall building solves the technical problem of how to conveniently and standardly perform mortar spreading operation and joint pointing.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: the method is characterized in that the traditional method for determining the mortar laying amount of the bricks according to experience is abandoned, the mortar laying amount of the bricks is accurately controlled by a quantitative mold, the quantitative mold is movably clamped on the top end surface of the masonry wall, scientific and reasonable mortar laying thickness is calculated according to the characteristics and stress analysis of the masonry, a rectangular frame is manufactured according to the thickness, L-shaped bayonets are arranged on the lower bottom surface of the rectangular frame, the rectangular frame movably rides on the top end surface of the masonry wall through the two L-shaped bayonets, mortar is laid in the rectangular frame, and the upper surface of a mortar laying layer is flush with the upper top surface of the rectangular frame, so that the accurate quantitative control of mortar laying is realized, and after mortar laying is finished, the rectangular frame slides to adjacent positions along the trend of the wall, and is repeated in such a way, and continuous mortar laying on the wall is realized; and joint pointing frames are respectively arranged on the lower bottom surfaces of the two sides of the rectangular frame, and the rectangular frame is slid to adjacent positions to simultaneously complete the compaction joint pointing of the mortar joints of the lower leather bricks.
A movable mould capable of accurately controlling the mortar spreading amount during wall building comprises a built wall body, a left mortar spreading thickness control strip plate and a right mortar spreading thickness control strip plate, wherein a wall body left side elevation limiting plate is fixedly arranged on the lower bottom surface of the left mortar spreading thickness control strip plate, a wall body right side elevation limiting plate is fixedly arranged on the lower bottom surface of the right mortar spreading thickness control strip plate, a left front screw rod connecting seat is fixedly arranged at the front end of the top end surface of the left mortar spreading thickness control strip plate, a right front screw rod connecting seat is fixedly arranged at the front end of the top end surface of the right mortar spreading thickness control strip plate, a front screw rod is screwed between the left front screw rod connecting seat and the right front screw rod connecting seat, a left rear screw rod connecting seat is fixedly arranged at the rear end of the top end surface of the left mortar spreading thickness control strip plate, and a rear end of the top end surface of the right mortar spreading thickness control strip plate, a right rear screw rod connecting seat is fixedly arranged, a rear screw rod is screwed between the left rear screw rod connecting seat and the right rear screw rod connecting seat, and a rectangular frame is formed by the left side slurry spreading thickness control strip plate, the right side slurry spreading thickness control strip plate, the front screw rod and the rear screw rod; a left side bayonet is formed between the right side vertical face of the wall body left side vertical face limiting plate and the bottom end face of the left side mortar spreading thickness control long strip plate, a right side bayonet is formed between the left side vertical face of the wall body right side vertical face limiting plate and the bottom end face of the right side mortar spreading thickness control long strip plate, and the rectangular frame is movably arranged on the top end face of the built wall body through the left side bayonet and the right side bayonet.
The lower bottom surface of the vertical surface limiting plate on the left side of the wall body is connected with a half-square left side pointing frame, a left pointing bulge is arranged on a lower cross beam of the half-square left side pointing frame, the lower bottom surface of the vertical surface limiting plate on the right side of the wall body is connected with a half-square right side pointing frame, and a right pointing bulge is arranged on a lower cross beam of the half-square right side pointing frame.
And a line weight is hung on the left vertical face of the wall body left vertical face limiting plate.
A construction method capable of accurately controlling the mortar laying amount during wall masonry is characterized by comprising the following steps:
step one, calculating a scientific and reasonable mortar spreading thickness according to the characteristics and stress analysis of a masonry wall, and determining the thickness of a left mortar spreading thickness control strip plate and the thickness of a right mortar spreading thickness control strip plate according to the mortar spreading thickness;
secondly, fixedly arranging a wall body left side elevation limiting plate on the lower bottom surface of the left side slurry spreading thickness control strip plate, fixedly arranging a wall body right side elevation limiting plate on the lower bottom surface of the right side slurry spreading thickness control strip plate, forming a left side bayonet between the right side elevation of the wall body left side elevation limiting plate and the bottom end surface of the left side slurry spreading thickness control strip plate, and forming a right side bayonet between the left side elevation of the wall body right side elevation limiting plate and the bottom end surface of the right side slurry spreading thickness control strip plate;
thirdly, fixedly arranging a left front screw rod connecting seat at the front end of the top end face of the left slurry spreading thickness control long slat, and fixedly arranging a right front screw rod connecting seat at the front end of the top end face of the right slurry spreading thickness control long slat; a left rear screw rod connecting seat is fixedly arranged at the rear end of the top end surface of the left slurry spreading thickness control strip plate, and a right rear screw rod connecting seat is fixedly arranged at the rear end of the top end surface of the right slurry spreading thickness control strip plate;
fourthly, the left side mortar spreading thickness control strip plate is placed on the left side edge of the top end face of the built wall body through the left side bayonet; the right side mortar spreading thickness control strip plate is placed on the right side edge of the top end surface of the built wall body through the right side bayonet; a front screw is connected between the left front screw rod connecting seat and the right front screw rod connecting seat, a rear screw is connected between the left rear screw rod connecting seat and the right rear screw rod connecting seat, and a rectangular frame consisting of a left slurry spreading thickness control strip plate, a right slurry spreading thickness control strip plate, a front screw and a rear screw is movably arranged on the top end surface of the wall body to be spread;
fifthly, spreading the pulp between the left pulp spreading thickness control long strip plate and the right pulp spreading thickness control long strip plate to enable the top end surfaces of the spread pulp to be flush with the top end surfaces of the two long strip plates;
sixthly, sliding the rectangular frame to the next adjacent mortar spreading position needing mortar spreading along the top end surface of the built wall;
and seventhly, repeating the fifth step to finish the pulp paving work of adjacent pulp paving positions.
The lower bottom surface of the vertical surface limiting plate on the left side of the wall body is connected with a half-square left side pointing frame, a left pointing bulge is arranged on a lower cross beam of the half-square left side pointing frame, the lower bottom surface of the vertical surface limiting plate on the right side of the wall body is connected with a half-square right side pointing frame, and a right pointing bulge is arranged on the lower cross beam of the half-square right side pointing frame; the left hooked seam bulge is arranged on the left laid seam of the next brick on the top end face of the built wall body, the right hooked seam bulge is arranged on the right laid seam of the next brick on the top end face of the built wall body, and when the rectangular frame slides to the next adjacent mortar spreading position along the top end face of the built wall body, the hooked seam operation of the left hooked seam bulge and the right hooked seam bulge on the laid seam of the next brick is achieved simultaneously.
The invention solves the reworking and quality defects of the masonry in the floor caused by non-uniform mortar joint thickness, ensures the vertical flatness, full mortar joint mortar, consistent mortar thickness and beautiful wall body during the construction of the wall body, has low mould cost and simple and convenient operation, not only facilitates the construction operation of workers, but also greatly improves the construction efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the movable frame of the present invention in a front view direction;
fig. 3 is a schematic structural diagram of the movable frame of the present invention in a left side view.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a movable mould capable of accurately controlling the mortar spreading amount during wall building comprises a built wall body 1, a left mortar spreading thickness control strip plate 2 and a right mortar spreading thickness control strip plate 5, wherein a wall body left side elevation limiting plate 3 is fixedly arranged on the lower bottom surface of the left mortar spreading thickness control strip plate 2, a wall body right side elevation limiting plate 6 is fixedly arranged on the lower bottom surface of the right mortar spreading thickness control strip plate 5, a left front screw rod connecting seat 8 is fixedly arranged at the front end of the top end surface of the left mortar spreading thickness control strip plate 2, a right front screw rod connecting seat 9 is fixedly arranged at the front end of the top end surface of the right mortar spreading thickness control strip plate 5, a front screw rod 10 is screwed between the left front screw rod connecting seat 8 and the right front screw rod connecting seat 9, a left rear screw rod connecting seat is fixedly arranged at the rear end of the top end surface of the left mortar spreading thickness control strip plate 2, a right rear screw rod connecting seat is fixedly arranged at the rear end of the top end face of the right slurry spreading thickness control strip plate 5, a rear screw rod is screwed between the left rear screw rod connecting seat and the right rear screw rod connecting seat, and the left slurry spreading thickness control strip plate 2, the right slurry spreading thickness control strip plate 5, the front screw rod 10 and the rear screw rod form a rectangular frame; a left bayonet 4 is formed between the right vertical surface of the wall body left vertical surface limiting plate 3 and the bottom end surface of the left slurry spreading thickness control strip plate 2, a right bayonet 7 is formed between the left vertical surface of the wall body right vertical surface limiting plate 6 and the bottom end surface of the right slurry spreading thickness control strip plate 5, and the rectangular frame is movably arranged on the top end surface of the built wall body 1 through the left bayonet 4 and the right bayonet 7; the die is combined, and when the thickness of the wall body changes, the distance between the two long laths can be adjusted only by adjusting the screw rod.
A half-square left side jointing frame 11 is connected to the lower bottom surface of the wall body left side elevation limiting plate 3, a left side jointing bulge 12 is arranged on a lower cross beam of the half-square left side jointing frame 11, a half-square right side jointing frame 13 is connected to the lower bottom surface of the wall body right side elevation limiting plate 6, and a right side jointing bulge 14 is arranged on the lower cross beam of the half-square right side jointing frame 13; the heights of the half-square left side jointing frame 11 and the half-square right side jointing frame 13 are determined according to the thickness of the building block, so that a lower beam is ensured to be arranged at the position of a joint of a lower leather brick, and the left joint hook bulge 12 is embedded into the gap to play a role in compacting and spreading mortar in the gap; the left pointing framework 11 and the right pointing framework 13 in the shape of the half square can be made of elastic materials, so that the pointing function is more complete, and the right pointing bulge 14 can be movably sleeved with a scraper type sleeve body to further compact the gap and spread the slurry.
A wire pendant 15 is hung on the left vertical surface of the wall body left vertical surface limit plate 3; in the leveling die frame, the observation of the line weight 15 can be conveniently realized.
A construction method capable of accurately controlling the mortar laying amount during wall masonry is characterized by comprising the following steps:
step one, calculating the scientific and reasonable mortar spreading thickness according to the characteristics and stress analysis of the masonry wall, and determining the thickness of the left mortar spreading thickness control strip plate 2 and the thickness of the right mortar spreading thickness control strip plate 5 according to the mortar spreading thickness;
secondly, fixedly arranging a wall body left side elevation limiting plate 3 on the lower bottom surface of the left side mortar spreading thickness control strip plate 2, fixedly arranging a wall body right side elevation limiting plate 6 on the lower bottom surface of the right side mortar spreading thickness control strip plate 5, forming a left side bayonet 4 between the right side elevation of the wall body left side elevation limiting plate 3 and the bottom end surface of the left side mortar spreading thickness control strip plate 2, and forming a right side bayonet 7 between the left side elevation of the wall body right side elevation limiting plate 6 and the bottom end surface of the right side mortar spreading thickness control strip plate 5;
thirdly, a left front screw rod connecting seat 8 is fixedly arranged at the front end of the top end face of the left slurry spreading thickness control strip plate 2, and a right front screw rod connecting seat 9 is fixedly arranged at the front end of the top end face of the right slurry spreading thickness control strip plate 5; a left rear screw rod connecting seat is fixedly arranged at the rear end of the top end surface of the left slurry spreading thickness control strip plate 2, and a right rear screw rod connecting seat is fixedly arranged at the rear end of the top end surface of the right slurry spreading thickness control strip plate 5;
fourthly, the left side mortar spreading thickness control strip plate 2 is placed on the left side edge of the top end face of the built wall body 1 through the left side bayonet 4; the right side mortar spreading thickness control strip plate 5 is placed on the right side edge of the top end surface of the built wall body 1 through a right side bayonet 7; a front screw 10 is connected between a left front screw connecting seat 8 and a right front screw connecting seat 9, a rear screw is connected between a left rear screw connecting seat and a right rear screw connecting seat, and a rectangular frame consisting of a left slurry spreading thickness control strip plate 2, a right slurry spreading thickness control strip plate 5, the front screw 10 and the rear screw is movably arranged on the top end face of the wall body to be spread;
fifthly, spreading the pulp between the left pulp spreading thickness control strip plate 2 and the right pulp spreading thickness control strip plate 5 to enable the top end surfaces of the spread pulp to be flush with the top end surfaces of the two strip plates;
sixthly, sliding the rectangular frame to the next adjacent mortar spreading position needing mortar spreading along the top end surface of the built wall body 1;
and seventhly, repeating the fifth step to finish the pulp paving work of adjacent pulp paving positions.
A half-square left side jointing frame 11 is connected to the lower bottom surface of the wall left side elevation limiting plate 3, a left side jointing bulge 12 is arranged on the lower cross beam of the half-square left side jointing frame 11, a half-square right side jointing frame 13 is connected to the lower bottom surface of the wall right side elevation limiting plate 6, and a right side jointing bulge 14 is arranged on the lower cross beam of the half-square right side jointing frame 13; the left hooked seam bulge 12 is arranged on the left-side seam of the next brick on the top end face of the built wall body 1, the right hooked seam bulge 14 is arranged on the right-side seam of the next brick on the top end face of the built wall body 1, and when the rectangular frame slides to the next adjacent mortar spreading position along the top end face of the built wall body 1, the hooked seam operation of the left hooked seam bulge 12 and the right hooked seam bulge 14 on the next brick is realized; the simultaneous completion of pulp paving and pointing is realized.
Claims (3)
1. A construction method capable of accurately controlling the mortar laying amount during wall masonry is characterized by comprising the following steps:
step one, calculating the scientific and reasonable mortar spreading thickness according to the characteristics and stress analysis of the masonry wall, and determining the thickness of the left mortar spreading thickness control strip plate (2) and the thickness of the right mortar spreading thickness control strip plate (5) according to the mortar spreading thickness;
secondly, fixedly arranging a wall body left side elevation limiting plate (3) on the lower bottom surface of the left side mortar spreading thickness control strip plate (2), fixedly arranging a wall body right side elevation limiting plate (6) on the lower bottom surface of the right side mortar spreading thickness control strip plate (5), forming a left side bayonet (4) between the right side elevation of the wall body left side elevation limiting plate (3) and the bottom end surface of the left side mortar spreading thickness control strip plate (2), and forming a right side bayonet (7) between the left side elevation of the wall body right side elevation limiting plate (6) and the bottom end surface of the right side mortar spreading thickness control strip plate (5);
thirdly, a left front screw rod connecting seat (8) is fixedly arranged at the front end of the top end face of the left slurry spreading thickness control strip plate (2), and a right front screw rod connecting seat (9) is fixedly arranged at the front end of the top end face of the right slurry spreading thickness control strip plate (5); a left rear screw rod connecting seat is fixedly arranged at the rear end of the top end surface of the left slurry spreading thickness control strip plate (2), and a right rear screw rod connecting seat is fixedly arranged at the rear end of the top end surface of the right slurry spreading thickness control strip plate (5);
fourthly, the left side mortar spreading thickness control strip plate (2) is placed on the left side edge of the top end face of the built wall body (1) through a left side bayonet (4); the right side mortar spreading thickness control strip plate (5) is placed on the right side edge of the top end surface of the built wall body (1) through a right side bayonet (7); a front screw (10) is connected between a left front screw connecting seat (8) and a right front screw connecting seat (9), a rear screw is connected between a left rear screw connecting seat and a right rear screw connecting seat, and a rectangular frame consisting of a left slurry spreading thickness control strip plate (2), a right slurry spreading thickness control strip plate (5), a front screw (10) and a rear screw is movably arranged on the top end surface of a wall body needing slurry spreading;
fifthly, spreading the pulp between the left pulp spreading thickness control strip plate (2) and the right pulp spreading thickness control strip plate (5) to enable the top end surfaces of the spread pulp to be flush with the top end surfaces of the two strip plates;
sixthly, sliding the rectangular frame to the next adjacent mortar paving position needing mortar paving along the top end surface of the built wall body (1);
and seventhly, repeating the fifth step to finish the pulp paving work of adjacent pulp paving positions.
2. The construction method capable of accurately controlling the mortar spreading amount during wall masonry according to claim 1, characterized in that a half-square left side pointing frame (11) is connected to the lower bottom surface of the wall left side elevation limiting plate (3), a left pointing protrusion (12) is arranged on the lower cross beam of the half-square left side pointing frame (11), a half-square right side pointing frame (13) is connected to the lower bottom surface of the wall right side elevation limiting plate (6), and a right pointing protrusion (14) is arranged on the lower cross beam of the half-square right side pointing frame (13); the left hooked seam bulge (12) is arranged on the left laid seam of the next brick on the top end face of the built wall body (1), the right hooked seam bulge (14) is arranged on the right laid seam of the next brick on the top end face of the built wall body (1), and when the rectangular frame slides to the next adjacent mortar spreading position along the top end face of the built wall body (1), the hooked seam operation of the left hooked seam bulge (12) and the right hooked seam bulge (14) on the laid seam of the next brick is achieved simultaneously.
3. The construction method capable of accurately controlling the mortar spreading amount during wall masonry according to claim 2, characterized in that a line weight (15) is hung on the left side vertical face of the wall left side vertical face limiting plate (3), and the line weight (15) can be used for horizontally adjusting a rectangular frame erected on the top end face of the masonry-finished wall (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210495593.8A CN114809677A (en) | 2022-05-09 | 2022-05-09 | Construction method capable of accurately controlling slurry spreading amount during wall building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210495593.8A CN114809677A (en) | 2022-05-09 | 2022-05-09 | Construction method capable of accurately controlling slurry spreading amount during wall building |
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| CN114809677A true CN114809677A (en) | 2022-07-29 |
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| CN202210495593.8A Pending CN114809677A (en) | 2022-05-09 | 2022-05-09 | Construction method capable of accurately controlling slurry spreading amount during wall building |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892747A (en) * | 2009-05-20 | 2010-11-24 | 上海奥伯应用技术工程有限公司 | Mortar spreader for building wall and using method thereof |
| CN203947788U (en) * | 2014-07-02 | 2014-11-19 | 宋仲华 | A kind of integrated apparatus of laying bricks fast, spreading slurry, joint filling |
| CN206737446U (en) * | 2017-04-28 | 2017-12-12 | 中建八局第三建设有限公司 | A kind of portable masonry panel paving slurry instrument |
| CN108193889A (en) * | 2017-12-25 | 2018-06-22 | 中冶天工集团有限公司 | A kind of masonry wall quickly spread slurry, jointing device |
| CN207892258U (en) * | 2017-12-25 | 2018-09-21 | 中冶天工集团有限公司 | A kind of masonry wall quickly spread slurry, jointing device |
| CN214740067U (en) * | 2021-05-07 | 2021-11-16 | 河南五建建设集团有限公司 | Device of adjustable brickwork mortar joint width and thickness |
| CN214885671U (en) * | 2021-07-23 | 2021-11-26 | 山西建筑工程集团有限公司 | Masonry mortar spreading mold |
-
2022
- 2022-05-09 CN CN202210495593.8A patent/CN114809677A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892747A (en) * | 2009-05-20 | 2010-11-24 | 上海奥伯应用技术工程有限公司 | Mortar spreader for building wall and using method thereof |
| CN203947788U (en) * | 2014-07-02 | 2014-11-19 | 宋仲华 | A kind of integrated apparatus of laying bricks fast, spreading slurry, joint filling |
| CN206737446U (en) * | 2017-04-28 | 2017-12-12 | 中建八局第三建设有限公司 | A kind of portable masonry panel paving slurry instrument |
| CN108193889A (en) * | 2017-12-25 | 2018-06-22 | 中冶天工集团有限公司 | A kind of masonry wall quickly spread slurry, jointing device |
| CN207892258U (en) * | 2017-12-25 | 2018-09-21 | 中冶天工集团有限公司 | A kind of masonry wall quickly spread slurry, jointing device |
| CN214740067U (en) * | 2021-05-07 | 2021-11-16 | 河南五建建设集团有限公司 | Device of adjustable brickwork mortar joint width and thickness |
| CN214885671U (en) * | 2021-07-23 | 2021-11-26 | 山西建筑工程集团有限公司 | Masonry mortar spreading mold |
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Application publication date: 20220729 |
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