CN219909841U - One-time forming auxiliary device for concrete terrace - Google Patents
One-time forming auxiliary device for concrete terrace Download PDFInfo
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- CN219909841U CN219909841U CN202321266689.3U CN202321266689U CN219909841U CN 219909841 U CN219909841 U CN 219909841U CN 202321266689 U CN202321266689 U CN 202321266689U CN 219909841 U CN219909841 U CN 219909841U
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- scraping
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- 238000007790 scraping Methods 0.000 claims abstract description 66
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 238000007493 shaping process Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model provides a one-time molding auxiliary device for a concrete terrace, and belongs to the field of building construction auxiliary equipment. The technical proposal is as follows: comprises a main plastering panel, a scraping mechanism and an auxiliary flattening component; a rotary operating rod is arranged on the main wiping panel; the scraping mechanism comprises a through sliding groove arranged on the main plastering panel, the through sliding groove is arranged along the length direction of the main plastering panel and is arranged at the middle position of the width direction of the main plastering panel, a scraping rod matched with the through sliding groove is arranged in the through sliding groove, a T-shaped sliding groove is arranged on the upper surface of the main plastering panel on one side of the through sliding groove, a T-shaped sliding block is arranged in the T-shaped sliding groove, a horizontal plate is arranged on the upper side surface of the T-shaped sliding block, a through hole is formed in the horizontal plate, a round rod matched with the through hole is arranged on the scraping rod, and a handle I is arranged after the scraping rod upwards penetrates out of the through hole. The beneficial effects of the utility model are as follows: the device has simple structure and convenient use, increases the scraping mechanism of the concrete adhered to the main plastering panel, and improves the working efficiency.
Description
Technical Field
The utility model relates to the field of building construction auxiliary equipment, in particular to a one-time forming auxiliary device for a concrete terrace.
Background
The floor is the floor which is constructed and treated by using specific materials and processes and presents certain decoration and functionality, is the part of the bottom room which is contacted with the soil layer, bears the load of the bottom room, and is required to have certain strength and rigidity and has the performances of moisture resistance, water resistance, heat preservation and wear resistance.
The common terrace is formed by casting planar concrete. In planar concrete pouring, the final flatness of concrete is a critical ring, so that the concrete is vibrated after the concrete pouring of the terrace is formed at one time, and then the concrete needs to be manually smoothed by using a simple template frame, and then a film is paved.
The patent 202320061504.9-a control device for the casting quality of planar concrete provides a device for solving the problem that air bubbles in concrete cannot be extruded in the trowelling process, but the device needs to manually clean the glued concrete on a main trowelling panel after trowelling construction is completed, lacks a mechanism convenient for scraping and is relatively laborious, so the utility model provides a one-time molding auxiliary device for a concrete terrace, and solves the problems.
Disclosure of Invention
The utility model aims to provide a one-time molding auxiliary device for a concrete terrace, which is simple to operate and convenient for scraping viscous concrete.
The utility model is realized by the following measures:
the one-time molding auxiliary device for the concrete terrace is characterized by comprising a main plastering panel, a scraping mechanism arranged on the main plastering panel and an auxiliary flattening assembly arranged on one side of the main plastering panel;
a rotary operating rod is arranged on the main wiping panel;
the scraping mechanism comprises a through chute arranged on the main plastering panel, the through chute is arranged along the length direction of the main plastering panel and is arranged at the middle position of the width direction of the main plastering panel, and a matched scraping rod is arranged in the through chute;
the upper surface of the main wiping panel at one side of the through chute is provided with a T-shaped chute, a T-shaped sliding block is arranged in the T-shaped chute, the upper side surface of the T-shaped sliding block is provided with a horizontal plate, the horizontal plate is provided with a through hole, the scraping rod is provided with a round rod matched with the through hole, and a first handle is arranged after the scraping rod passes through the through hole upwards;
an annular plate is arranged on the outer side face of the scraping rod between the first handle and the horizontal plate, a spring is arranged on the periphery of the scraping rod between the horizontal plate and the annular plate, the spring is movably connected with the horizontal plate and the annular plate, the scraping rod is positioned in the through sliding groove in the initial state, the lower surface of the scraping rod is flush with the lower surface of the main plastering panel, when the concrete on the main plastering panel needs to be scraped, the first handle is pressed down firstly, so that the scraping rod is separated from the through sliding groove downwards, then the handle is rotated for ninety degrees, so that the scraping rod is perpendicular to the through sliding groove, and then the horizontal plate slides along the through sliding groove.
The utility model has the specific characteristics that:
the handle I is provided with a through threaded hole, the corresponding horizontal plate is provided with a matched limiting hole, a matched limiting screw rod penetrates through the threaded hole, the lower end of the limiting screw rod is arranged in the limiting hole, the upper end of the limiting screw rod is provided with a handle II, and when the handle is pressed down and then rotated ninety degrees, the limiting screw rod is screwed in the limiting hole.
Limiting rods are arranged on the side surfaces of the two inner sides of the through sliding groove, when the concrete is scraped, the first handle is rotated to enable the scraping rod to correspond to the through sliding groove, and then the scraping rod slides upwards along the through sliding groove under the action of the spring, and the limiting rod is used for limiting the position of the scraping rod, so that the lower surface of the scraping rod is ensured to be flush with the lower surface of the main plastering panel, and concrete can be conveniently smoothed.
The length of the scraping rod is the same as the width of the main plastering panel, the scraping rod comprises a rectangular long rod matched with the through sliding groove, a triangular long rod is arranged on the upper surface of the rectangular long rod, the top edge of the triangular long rod is matched with the lower surface of the main plastering panel and used for scraping concrete, and the scraping mechanism is arranged on one side of the through sliding groove when in an initial position.
One side end face in the through sliding groove is communicated with the main plastering panel, one sliding groove is arranged on each of two side faces in the through sliding groove, one side end face in the first sliding groove on two sides is communicated with the main plastering panel, the through end face of the first sliding groove and the through end face of the first sliding groove are positioned on the same side, an auxiliary rod matched with the first sliding groove is arranged on the first sliding groove on two sides, the lower surface of the auxiliary rod is flush with the main plastering panel, when concrete is smoothed, the auxiliary rod and the scraping rod are filled in the through sliding groove together to ensure the integrity and smoothness of the lower surface of the main plastering panel, a side plate is arranged on the side face of the auxiliary rod, the side plate is attached to the upper surface of the main plastering panel, a pre-tightening bolt is arranged on the side plate, the lower end of the pre-tightening bolt is pressed on the main plastering panel in a propping mode and is used for fixing the auxiliary rod, after concrete is smoothed, the auxiliary rod is slid out of the through sliding groove to one side to be fixed, and concrete is scraped;
be close to link up the spout terminal surface link up department be provided with on the main panel of wiping with curb plate complex stopper, the stopper is used for restricting the slip of auxiliary rod is spacing, avoids the roll-off link up the spout.
The upper surface of the auxiliary rod is provided with a handle III through which the auxiliary rod slides;
a handle is arranged on one side of the horizontal plate, and the scraping mechanism is slid by the handle to scrape concrete.
The auxiliary flattening assembly comprises a main mounting rod arranged on the side surface of the main plastering plate, the main mounting rod is arranged along the length direction of the main plastering plate, the main mounting rod is arranged on the side surface of the main plastering plate through a pair of connecting rods, limit baffles are arranged at two ends of the main mounting rod, a first roller is arranged on the periphery of the main mounting rod between the connecting rods, and second rollers are arranged between the connecting rods and the limit baffles at two ends of the main mounting rod.
The novel multifunctional mop is characterized in that a U-shaped mounting frame is arranged on the upper surface of the main mop panel, a cross rod is arranged between side plates on two sides of the U-shaped mounting frame, a sleeve is arranged at the end of the rotating operation rod, and the sleeve is arranged on the periphery of the cross rod.
The rotary operating rod comprises an inner operating rod and an outer operating rod, one end of the inner operating rod is provided with a sleeve, the other end of the inner operating rod is sleeved inside the outer operating rod, a fixing bolt is arranged on the outer surface of the outer operating rod, one end of the fixing bolt penetrates through the rod wall of the outer operating rod to prop against the inner operating rod, and the other end of the fixing bolt is arranged outside the outer operating rod and provided with a rotating button.
When the concrete is screeded, the scraping mechanism is positioned at one side of the through sliding groove, the auxiliary rod is propped against the end part of the scraping rod, the main screeding plate is placed at the front side of a constructor in use, the constructor holds the rotating operation rod to move backwards (move backwards) to screede the concrete surface, the center of gravity is deviated to the auxiliary screeding assembly in the process of holding the rotating operation rod to move backwards, the main screeding plate is utilized to screede the concrete on a plane layer, and meanwhile, the first roller and the second roller are utilized to firstly press and fix the concrete, so that air in the concrete is extruded, and the situation that air bubbles are broken in the concrete is avoided when the follow-up film is covered;
when the concrete is scraped, firstly unscrewing the pre-tightening bolt, then sliding the auxiliary rod out of the main plastering panel through the handle III until the side plate is abutted against the limiting block, then screwing the pre-tightening bolt to fix the auxiliary rod, then pressing down the handle I, rotating the handle until the limiting screw rod is aligned with the limiting hole after the scraping rod is separated from the through sliding groove, then rotating the limiting screw rod into the limiting hole, and then scraping the concrete on the main plastering panel by sliding the handle III.
The beneficial effects of the utility model are as follows: the device has simple structure and convenient use, increases the scraping mechanism of the concrete adhered to the main plastering panel, and improves the working efficiency.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is an enlarged view of a in fig. 1.
Fig. 3 is a schematic view of a portion of a scraping mechanism according to an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of an auxiliary rod and other components in an embodiment of the present utility model.
Fig. 5 is an enlarged view of B in fig. 1.
Wherein, the reference numerals are as follows: 1. t-shaped sliding grooves; 2. a through chute; 3. a main plastering panel; 4. a second drum; 5. an inner lever; 6. an outer lever; 7. a first roller; 9. an auxiliary lever; 10. a U-shaped mounting rack; 11. a limit rod; 12. a scraping rod; 13. a second handle; 14. a limit screw; 15. a first handle; 16. a spring; 17. a horizontal plate; 18. a handle; 19. an annular plate; 20. a round bar; 21. a triangular long rod; 22. a rectangular long rod; 23. a third handle; 24. pre-tightening a bolt; 25. a side plate; 26. and a limiting block.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
Referring to fig. 1-5, a one-time molding auxiliary device for a concrete terrace comprises a main plastering panel 3, a scraping mechanism arranged on the main plastering panel 3 and an auxiliary flattening assembly arranged on one side of the main plastering panel 3;
a rotary operation rod is arranged on the main plastering plate 3;
the scraping mechanism comprises a through chute 2 arranged on the main plastering panel 3, the through chute 2 is arranged along the length direction of the main plastering panel 3 and is arranged at the middle position of the width direction of the main plastering panel 3, and a matched scraping rod 12 is arranged in the through chute 2;
the upper surface of the main plastering plate 3 which penetrates through one side of the chute 2 is provided with a T-shaped chute 1, a T-shaped sliding block is arranged in the T-shaped chute 1, the upper side surface of the T-shaped sliding block is provided with a horizontal plate 17, the horizontal plate 17 is provided with a through hole, the scraping rod 12 is provided with a round rod 20 matched with the through hole, and the scraping rod 12 passes through the through hole upwards and then is provided with a first handle 15;
the outer side face of the scraping rod 12 between the handle I15 and the horizontal plate 17 is provided with an annular plate 19, the periphery of the scraping rod 12 between the horizontal plate 17 and the annular plate 19 is provided with a spring 16, the spring 16 is movably connected with the horizontal plate 17 and the annular plate 19, the scraping rod 12 is positioned in the through chute 2 in an initial state, the lower surface of the scraping rod 12 is flush with the lower surface of the main plastering plate 3, when concrete on the main plastering plate 3 needs to be scraped, the handle I15 is pressed down, the scraping rod 12 is separated from the through chute 2 downwards, the handle I15 is rotated for ninety degrees, the scraping rod 12 is vertical to the through chute 2, and then the horizontal plate 17 is slid along the through chute 2, and due to the elastic force of the spring 16, the scraping rod 12 is tightly pressed on the main plastering plate 3, so that the concrete is convenient to scrape.
The handle one 15 is provided with a through threaded hole, the corresponding horizontal plate 17 is provided with a matched limiting hole, the matched limiting screw 14 is arranged through the threaded hole, the lower end of the limiting screw 14 is arranged in the limiting hole, the upper end of the limiting screw 14 is provided with the handle two 13, and when the handle one 15 is pressed down and then rotated ninety degrees, the limiting screw 14 is screwed in the limiting hole.
All be provided with gag lever post 11 on link up the spout 2 medial surface both sides, after the concrete is scraped and is accomplished, rotate handle one 15 for scrape pole 12 and link up spout 2 and correspond, later scrape pole 12 and follow link up spout 2 and slide upwards under the effect of spring 16, gag lever post 11 is used for restricting the position of scraping pole 12, guarantees the lower surface parallel and level of scraping pole 12 and the lower surface of main panel 3, the concrete of being convenient for trowelling.
The length of the scraping rod 12 is the same as the width of the main plastering plate 3, the scraping rod 12 comprises a rectangular long rod 22 matched with the through chute 2, a triangular long rod 21 is arranged on the upper surface of the rectangular long rod 22, the top edge of the triangular long rod 21 is matched with the lower surface of the main plastering plate 3 and used for scraping concrete, and the scraping mechanism is arranged on one side of the through chute 2 in the initial position.
One side end surface in the through chute 2 is communicated with the main plastering plate 3, the two side surfaces in the through chute 2 are respectively provided with a chute I, one side end surface in the two side chute I is communicated with the main plastering plate 3, the through end surface of the chute I and the through end surface of the through chute 2 are positioned on the same side, an auxiliary rod 9 matched with the through chute I is penetrated into the two side chute I, the lower surface of the auxiliary rod 9 is flush with the main plastering plate 3, when concrete is screeded, the auxiliary rod 9 and the scraping rod 12 are filled into the through chute 2 together to ensure the integrity and smoothness of the lower surface of the main plastering plate 3, the side surface of the auxiliary rod 9 is provided with a side plate 25, the side plate 25 is attached to the upper surface of the main plastering plate 3, the side plate 25 is provided with a pre-tightening bolt 24 through a thread structure, the lower end of the pre-tightening bolt 24 is pressed against the main plastering plate 3 for fixing the auxiliary rod 9, and after concrete screeding is finished, the auxiliary rod 9 is slid out of the through chute 2 to one side for fixing, and then concrete is scraped;
a limiting block 26 matched with the side plate 25 is arranged on the main plastering panel 3 near the end surface through-hole of the through chute 2, and the limiting block 26 is used for limiting the sliding limit of the auxiliary rod 9 and avoiding sliding out of the through chute 2.
The upper surface of the auxiliary rod 9 is provided with a handle III 23, and the auxiliary rod 9 is slid through the handle III 23;
a handle 18 is provided on one side of the horizontal plate 17, and concrete is scraped by sliding the scraping mechanism by the handle 18.
The auxiliary flattening assembly comprises a main mounting rod arranged on the side surface of the main plastering panel 3, the main mounting rod is arranged along the length direction of the main plastering panel 3, the main mounting rod is arranged on the side surface of the main plastering panel 3 through a pair of connecting rods, limit baffles are arranged at two ends of the main mounting rod, a first roller 7 is arranged on the periphery of the main mounting rod between the pair of connecting rods, and a second roller 4 is arranged between the connecting rods at two sides and the limit baffles at two ends of the main mounting rod.
The upper surface of the main plastering plate 3 is provided with a U-shaped installation frame 10, a cross rod is arranged between side plates 25 on two sides of the U-shaped installation frame 10, the end part of the rotating operation rod is provided with a sleeve, and the sleeve is arranged on the periphery of the cross rod.
The rotation operation lever comprises an inner operation lever 5 and an outer operation lever 6, a sleeve is arranged at one end of the inner operation lever 5, the other end of the inner operation lever 5 is sleeved inside the outer operation lever 6, a fixing bolt is arranged on the outer surface of the outer operation lever 6, one end of the fixing bolt penetrates through the wall of the outer operation lever 6 to abut against the inner operation lever 5, and the other end of the fixing bolt is arranged outside the outer operation lever 6 and provided with a rotating button.
When the concrete is screeded, the scraping mechanism is positioned at one side of the through chute 2, the auxiliary rod 9 is abutted against the end part of the scraping rod 12, the main screeding plate 3 is placed at the front side of a constructor in use, the constructor holds the rotary operating rod to move backwards (move backwards), screeding is carried out on the concrete surface, the gravity center is deviated to the auxiliary screeding component in the process of holding the rotary operating rod to move backwards, the main screeding plate 3 is utilized to screeding the concrete on a plane layer, the concrete is firstly pressed and fixed through the first roller 7 and the second roller 4, and air in the concrete is extruded, so that the condition that air bubbles are broken in the concrete is avoided in the process of subsequent film coating;
when the concrete is scraped, firstly, the pre-tightening bolt 24 is unscrewed, then the auxiliary rod 9 is slid out of the main plastering panel 3 through the handle III 23 until the side plate 25 abuts against the limiting block 26, then the pre-tightening bolt 24 is screwed to fix the auxiliary rod 9, then the handle I15 is pressed down, after the scraping rod 12 is separated from the through chute 2, the handle I15 is rotated until the limiting screw 14 is aligned with the limiting hole, then the limiting screw 14 is rotated into the limiting hole, and then the concrete on the main plastering panel 3 is scraped through the sliding handle III 23.
The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.
Claims (9)
1. The one-time molding auxiliary device for the concrete terrace is characterized by comprising a main plastering panel (3), a scraping mechanism arranged on the main plastering panel (3) and an auxiliary flattening assembly arranged on one side of the main plastering panel (3);
a rotary operating rod is arranged on the main wiping panel (3);
the scraping mechanism comprises a through chute (2) arranged on the main plastering panel (3), the through chute (2) is arranged along the length direction of the main plastering panel (3) and is arranged at the middle position of the width direction of the main plastering panel (3), and a matched scraping rod (12) is arranged in the through chute (2);
the novel scraper knife comprises a main plastering panel (3) and is characterized in that a T-shaped sliding groove (1) is formed in the upper surface of one side of the through sliding groove (2), a T-shaped sliding block is arranged in the T-shaped sliding groove (1), a horizontal plate (17) is arranged on the upper side surface of the T-shaped sliding block, a through hole is formed in the horizontal plate (17), a round rod (20) matched with the through hole is arranged on a scraper rod (12), and a first handle (15) is arranged after the scraper rod (12) upwards penetrates out of the through hole;
an annular plate (19) is arranged on the outer side face of the scraping rod (12) between the first handle (15) and the horizontal plate (17), a spring (16) is arranged on the periphery of the scraping rod (12) between the horizontal plate (17) and the annular plate (19), and the spring (16) is movably connected with the horizontal plate (17) and the annular plate (19).
2. The one-time molding auxiliary device of the concrete terrace according to claim 1, wherein a through threaded hole is formed in the first handle (15), a matched limiting hole is formed in the corresponding horizontal plate (17), a matched limiting screw (14) is arranged through the threaded hole, the lower end of the limiting screw (14) is arranged in the limiting hole, and a second handle (13) is arranged at the upper end of the limiting screw (14).
3. The one-time molding auxiliary device of the concrete terrace according to claim 2, wherein limit rods (11) are arranged on the side surfaces of the inner two sides of the through chute (2).
4. A concrete floor disposable shaping aid according to claim 3, characterized in that the length of the scraping rod (12) is the same as the width of the main plastering plate (3), the scraping rod (12) comprises a rectangular long rod (22) matched with the through sliding groove (2), the upper surface of the rectangular long rod (22) is provided with a triangular long rod (21), and the top edge of the triangular long rod (21) is matched with the lower surface of the main plastering plate (3).
5. The one-time molding auxiliary device for the concrete terrace according to claim 4, wherein one side end surface in the through sliding groove (2) penetrates through the main plastering plate (3), two side surfaces in the through sliding groove (2) are respectively provided with a sliding groove I, one side end surface in the two side sliding grooves I penetrates through the main plastering plate (3), the through end surface of the sliding groove I and the through end surface of the through sliding groove (2) are positioned on the same side, two matched auxiliary rods (9) penetrate through the two side sliding grooves I, the lower surface of each auxiliary rod (9) is flush with the main plastering plate (3), the side surfaces of each auxiliary rod (9) are provided with side plates (25), the side plates (25) are attached to the upper surface of the main plastering plate (3), and pre-tightening bolts (24) are arranged on the side plates (25) through a threaded structure;
and a limiting block (26) matched with the side plate (25) is arranged on the main plastering panel (3) close to the through position of the end face of the through chute (2).
6. The one-time forming auxiliary device for the concrete terrace according to claim 5, characterized in that the upper surface of the auxiliary rod (9) is provided with a handle III (23);
a handle (18) is arranged on one side of the horizontal plate (17).
7. The one-time molding auxiliary device of the concrete terrace according to claim 1, wherein the auxiliary flattening component comprises a main mounting rod arranged on the side surface of the main plastering panel (3), the main mounting rod is arranged along the length direction of the main plastering panel (3), the main mounting rod is arranged on the side surface of the main plastering panel (3) through a pair of connecting rods, limit baffles are arranged at two ends of the main mounting rod, a first roller (7) is arranged on the periphery of the main mounting rod between the pair of connecting rods, and a second roller (4) is arranged between the connecting rods and the limit baffles at two ends of the main mounting rod at two sides.
8. The one-time molding auxiliary device for the concrete terrace according to claim 1, wherein a U-shaped mounting frame (10) is arranged on the upper surface of the main plastering panel (3), a cross rod is arranged between side plates (25) on two sides of the U-shaped mounting frame (10), a sleeve is arranged at the end part of the rotating operation rod, and the sleeve is arranged on the periphery of the cross rod.
9. The one-time molding auxiliary device for the concrete terrace according to claim 8, wherein the rotating operation rod comprises an inner operation rod (5) and an outer operation rod (6), one end of the inner operation rod (5) is provided with the sleeve, the other end of the inner operation rod (5) is sleeved inside the outer operation rod (6), the outer surface of the outer operation rod (6) is provided with a fixing bolt, one end of the fixing bolt penetrates through the rod wall of the outer operation rod (6) to be propped against the inner operation rod (5), and the other end of the fixing bolt is arranged outside the outer operation rod (6) and is provided with a rotating button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321266689.3U CN219909841U (en) | 2023-05-22 | 2023-05-22 | One-time forming auxiliary device for concrete terrace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321266689.3U CN219909841U (en) | 2023-05-22 | 2023-05-22 | One-time forming auxiliary device for concrete terrace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219909841U true CN219909841U (en) | 2023-10-27 |
Family
ID=88434739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321266689.3U Active CN219909841U (en) | 2023-05-22 | 2023-05-22 | One-time forming auxiliary device for concrete terrace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219909841U (en) |
-
2023
- 2023-05-22 CN CN202321266689.3U patent/CN219909841U/en active Active
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