CN219754050U - Cambered surface trowel for collecting light from inner side and outer side of shallow round bin wall - Google Patents
Cambered surface trowel for collecting light from inner side and outer side of shallow round bin wall Download PDFInfo
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- CN219754050U CN219754050U CN202321392866.2U CN202321392866U CN219754050U CN 219754050 U CN219754050 U CN 219754050U CN 202321392866 U CN202321392866 U CN 202321392866U CN 219754050 U CN219754050 U CN 219754050U
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- connecting column
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- 238000003306 harvesting Methods 0.000 claims 9
- 238000010276 construction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000001145 finger joint Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of constructional engineering, and discloses a cambered surface trowel for collecting light from the inner side and the outer side of a shallow circular bin wall. Through set up the multistage through-hole on the arc trowel board, according to the condition of the operation face of shallow circular storehouse wall, pass multistage through-hole with limiting plate and spliced pole from the protruding side section or the concave side section of the multistage through-hole of arc trowel board, utilize the bolt fastener to fix arc trowel board and handle on the spliced pole afterwards to form the arc trowel to shallow circular storehouse wall lateral surface or medial surface operation. Compared with the arc trowel in the prior art, the device is convenient to carry, is more convenient to detach and install, and can simultaneously meet the light receiving operation requirements of the inner side and the outer side of the shallow circular bin wall. Compared with the flat trowel in the prior art, the device saves time and labor in the light receiving process of the shallow round bin wall, improves the construction efficiency of field operation personnel, and reduces the labor cost.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a cambered surface trowel for collecting light from the inner side and the outer side of a shallow circular bin wall.
Background
The shallow round bin is a new bin developed vigorously in recent years, and has the characteristics of large storage capacity, low manufacturing cost, short construction period, easy mechanical operation of grain inlet and outlet and the like. The compacting and light receiving are carried out after the concrete is taken out from the mould and before final setting, so that the surface defects such as air holes, dry cracks and the like of the concrete surface are eliminated, the impression quality of the concrete can be effectively improved, and the air tightness of a bin wall structure is improved.
Therefore, the concrete forming look and feel of the shallow round bin wall is greatly dependent on the smooth and light-receiving process of a hanging rack worker in slip form construction, a trowel panel used in site construction is a current common flat trowel, the roundness of the concrete forming of the bin wall is inevitably affected due to tools in light receiving, and workers need repeated calendaring to enable the line of the bin wall to be as smooth as possible.
In the prior art, an arc-shaped iron trowel is disclosed, wherein an arc-shaped flitch and a handle welded on the concave surface of an arc-shaped iron plate are described in the technology, and the iron trowel can only perform light receiving operation on the inner wall surface of a shallow round bin wall, but cannot perform light receiving operation on the outer wall surface of the bin wall.
Disclosure of Invention
Aiming at the defects in the prior art, the cambered surface trowel for collecting light from the inner side and the outer side of the shallow circular bin wall is provided, so that not only can the light collection on the inner side of the shallow circular bin wall be realized, but also the light collection on the outer side of the shallow circular bin can be realized.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a cambered surface trowel that is used for interior outside receipts light of shallow circle storehouse wall, includes arc trowel board and handle, its characterized in that:
the connecting column is fixed on one side surface of the limiting plate; the arc-shaped trowel plate is provided with a multi-step through hole, and the multi-step through hole comprises a concave side section positioned on the concave side surface of the arc-shaped trowel plate, a convex side section positioned on the convex side surface of the arc-shaped trowel plate, and a round hole section positioned between the concave side section and the convex side section; after the connecting column passes through the multi-step through hole, the arc-shaped trowel plate and the handle are fixed on the connecting column by using the fastening bolt;
the cross section shapes of the concave side section and the convex side section are consistent with the shape of the limiting plate, and the size of the connecting column is not larger than the cross section size of the cylindrical section; the shape of the limiting plate is completely the same as that of the concave side section or the convex side section, and when the limiting plate is arranged on the convex side section or the concave side section, the limiting plate does not protrude out of the arc surface of the original arc-shaped trowel plate.
According to the technical scheme, the cross section of the limiting plate, the concave side section and the convex side section adopt regular polygon structures.
According to the technical scheme, one or two multi-step through holes are formed in the arc-shaped trowel plate according to requirements; when a multi-step through hole is formed, the connecting column is connected with the middle part of the grip through a fastening bolt piece; when two multi-step through holes are formed, the connecting posts are connected with the end parts of the two sides of the handle through fastening bolt pieces.
According to the technical scheme, the bolt fastener comprises a first nut used for fixing the arc-shaped trowel plate and a second nut used for fixing the handle; the connecting column is close to the column shaft of the limiting plate and provided with a first external thread matched with the first nut, the end, far away from the limiting plate, of the connecting column is provided with a stepped column, the stepped column consists of an original coaxial connecting column and a small-size threaded column, and the small-size threaded column is provided with a second external thread matched with the second nut; the handle is provided with a first through hole, and the inner diameter of the first through hole is matched with the outer diameter of the small-size threaded column.
According to the technical scheme, the bolt fastener comprises a first nut used for fixing the arc-shaped trowel plate and a second nut used for fixing the handle; the connecting column is close to the column shaft of the limiting plate and is provided with a first external thread matched with the first nut, the end of the connecting column far away from the limiting plate is provided with a second external thread matched with the second nut, the handle is provided with a threaded hole matched with the second external thread, and the threaded hole does not penetrate through the handle.
According to the technical scheme, the arc-shaped trowel plate is an arc-shaped panel with a large curvature radius, and the curvature radius is 20 m+/-0.27 m.
According to the technical scheme, the connecting column and the limiting plate are arranged into an integral piece, or the connecting column and the limiting plate are fixedly connected in a welded and fixed mode.
According to the technical scheme, the side edges of the arc-shaped trowel plates are all provided with edge chamfers.
According to the technical scheme, four finger grooves are pressed in advance on the inner side of the grip.
According to the technical scheme, the handles are vertically arranged, and the multi-step through holes are positioned on the same vertical line on the arc-shaped trowel plate.
The utility model has the following beneficial effects:
1. according to the condition of the working face (whether the working face is an outer side face or an inner side face) of the shallow circular bin wall, the limiting plate and the connecting column penetrate through the multi-step through hole from the convex side section or the concave side section of the multi-step through hole of the arc-shaped trowel plate, and then the arc-shaped trowel plate and the handle are fixed on the connecting column by using the bolt fasteners, so that the arc-shaped trowel working on the outer side face or the inner side face of the shallow circular bin wall is formed.
In addition, the limiting plate is arranged to be completely matched with the concave side section, and the arc surface of the original arc-shaped trowel plate is not protruded by the limiting plate at the convex side section; or is arranged to be completely matched with the convex side section, and the limiting plate does not protrude from the arc surface of the original arc trowel plate at the concave side section. As long as the arc-shaped surface of the limiting plate and the original arc-shaped trowel plate are not protruded, plastering can be filled in the concave positions of the limiting plate and the convex side section or the concave side section in the light receiving process, so that the working surface of the arc-shaped trowel plate is in a complete state. Meanwhile, as the multi-step through hole is positioned at the middle position of the arc-shaped trowel board, the complete working surface at the edge can also be received again in the area after the multi-step through hole receives light.
Finally, because each part of this device adopts this kind of detachable construction, each component can be separately deposited, and the arc trowel board can carry out simple stacking, has practiced thrift storage space in traditional flat trowel, also is convenient for transport simultaneously.
Based on the above measure, compare in the arc trowel among the prior art, this device convenient to carry dismantles and installs more convenient, can satisfy the receipts light operation requirement of the inside and outside of shallow circular storehouse wall simultaneously. Compared with the flat trowel in the prior art, the device saves time and labor in the light receiving process of the shallow round bin wall, improves the construction efficiency of field operation personnel, and reduces the labor cost. And secondly, the device can be customized for production, is matched with standards, and saves labor and time. Finally, the device can be assembled and disassembled at will, is convenient for stacking and transportation, and can be allocated and used during construction of the shallow round bins of different projects, so that the cost is reduced.
2. In order to avoid that the edge of the arc-shaped trowel plate is completely attached to the bin wall to hang surface primary pulp or concrete, edge chamfers are arranged on corners of the arc-shaped trowel plate, so that the purposes of reducing concrete waste and cleaning and abrasion of trowels are achieved.
3. In order to improve the holding comfort during construction, four finger grooves are pressed in advance on the inner side of the grip. The finger grooves of the grip arranged on the inner side of the grip conform to the design of ergonomics, so that on-site constructors feel more comfortable when using the grip, fatigue of finger joints is relieved, and construction efficiency is further improved.
Drawings
FIG. 1 is a schematic diagram of a construction of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a provided embodiment of the present utility model;
FIG. 3 is an enlarged view at B in FIG. 2;
fig. 4 is an enlarged view at a in fig. 2;
FIG. 5 is a schematic cross-sectional view of a wall inside trowel according to an embodiment of the present utility model;
FIG. 6 is a schematic cross-sectional view of a wall outside trowel according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a connecting screw structure according to an embodiment of the present utility model;
FIG. 8 is a schematic plan view of a trowel panel in accordance with an embodiment of the present utility model;
in the figure, 1, an arc-shaped trowel plate; 1-1, chamfering; 2. a grip; 2-1, finger grooves; 3. a limiting plate; 4. a connecting column; 4-1, first external threads; 4-2, second external threads; 5. fastening a bolt member; 5-1, a first nut; 5-2, a second nut; 6. a multi-step through hole; 6-1, concave side sections; 6-2, convex side sections; 6-3, a round hole section.
Detailed Description
The utility model will now be described in detail with reference to the drawings and examples.
Referring to fig. 1 to 8, the cambered surface trowel for collecting light from the inner side and the outer side of the wall of a shallow circular bin provided by the utility model comprises a cambered surface trowel plate 1 and a handle 2,
the device also comprises a limiting plate 3, a connecting column 4 and a fastening bolt piece 5, wherein the limiting plate is polygonal, and the connecting column is fixed on one side surface of the limiting plate; the arc-shaped trowel plate is provided with a multi-step through hole 6, and the multi-step through hole comprises a concave side section 6-1 positioned on the concave side surface of the arc-shaped trowel plate, a convex side section 6-2 positioned on the convex side surface of the arc-shaped trowel plate, and a round hole section 6-3 positioned between the concave side section and the convex side section; after the connecting column passes through the multi-step through hole, the arc-shaped trowel plate and the handle are fixed on the connecting column by using the fastening bolt;
the cross section shapes of the concave side section and the convex side section are consistent with the shape of the limiting plate, and the size of the connecting column is not larger than the cross section size of the cylindrical section; the shape of the limiting plate is completely the same as that of the concave side section or the convex side section, and when the limiting plate is arranged on the convex side section or the concave side section, the limiting plate does not protrude out of the arc surface of the original arc-shaped trowel plate.
According to the embodiment, the multistage through holes are formed in the arc-shaped trowel plates, the limiting plates and the connecting columns penetrate through the multistage through holes from the convex side sections or the concave side sections of the multistage through holes of the arc-shaped trowel plates according to the condition of the working face (whether the working face is the outer side face or the inner side face) of the shallow circular bin wall, and then the arc-shaped trowel plates and the handles are fixed on the connecting columns through the bolt fasteners, so that the arc-shaped trowel working on the outer side face or the inner side face of the shallow circular bin wall is formed.
In addition, the limiting plate is arranged to be completely matched with the concave side section, and the arc surface of the original arc-shaped trowel plate is not protruded by the limiting plate at the convex side section; or is arranged to be completely matched with the convex side section, and the limiting plate does not protrude from the arc surface of the original arc trowel plate at the concave side section. As long as the arc-shaped surface of the limiting plate and the original arc-shaped trowel plate are not protruded, plastering can be filled in the concave positions of the limiting plate and the convex side section or the concave side section in the light receiving process, so that the working surface of the arc-shaped trowel plate is in a complete state. In addition, as the multi-step through holes are positioned in the middle of the arc-shaped trowel board, the complete working surface at the edge can also be received again in the area after the multi-step through holes receive light.
Finally, because each part of this device adopts this kind of detachable construction, each component can be separately deposited, and the arc trowel board can carry out simple stacking, has practiced thrift storage space in traditional flat trowel, also is convenient for transport simultaneously.
Example 2
The structure and principle of embodiment 2 are similar to those of embodiment 1, except that: a preferred limiting plate, and the structural forms of the concave side section and the convex side section are provided; specifically, the cross-sectional shapes of the limiting plate, the concave side section and the convex side section adopt regular polygon structures. However, the limiting plate, the concave side section and the convex side section of the utility model can also adopt other irregular polygons, such as trapezoids; non-circular arc-shaped structures, such as ellipses, may also be used.
Example 3
The structure and principle of embodiment 3 are similar to those of embodiments 1 and 2, except that: the multi-step through holes are arranged in various forms on the arc-shaped trowel board.
Specifically, one or two multi-step through holes are arranged on the arc-shaped trowel board according to the requirements; when a multi-step through hole is formed, the connecting column is connected with the middle part of the grip through a fastening bolt piece; when two multi-step through holes are formed, the connecting posts are connected with the end parts of the two sides of the handle through fastening bolt pieces. In this embodiment, when the spliced pole passes through fastening bolt spare and the end connection use of handle both sides, the light dynamics of receiving is more easily mastered when on-the-spot workman's operation.
Example 4
The structure and principle of embodiment 4 is similar to those of embodiments 1-3, except that: a first preferred construction of the bolt fastener is given.
Specifically, the bolt fastener comprises a first nut for fixing the arc-shaped trowel plate and a second nut for fixing the grip; the connecting column is close to the column shaft of the limiting plate and provided with a first external thread matched with the first nut, the end, far away from the limiting plate, of the connecting column is provided with a stepped column, the stepped column consists of an original coaxial connecting column and a small-size threaded column, and the small-size threaded column is provided with a second external thread matched with the second nut; the handle is provided with a first through hole, and the inner diameter of the first through hole is matched with the outer diameter of the small-size threaded column. In this embodiment, the arc-shaped trowel plate is fixed on the connecting column (between the limiting plate and the first nut) through the first nut, and the handle is fixed on the small-size threaded column of the connecting column through the second nut.
Example 5
The structure and principle of embodiment 5 is similar to those of embodiments 1-3, except that: a second preferred form of construction of the bolt fastener is given.
As shown in fig. 1-8, the bolt fastener includes a first nut 5-1 for securing the arcuate trowel plate, and a second nut 5-2 for securing the grip (in this embodiment, the second nut may be omitted); the connecting column is provided with a first external thread 4-1 matched with the first screw cap on the column shaft close to the limiting plate, the end of the connecting column far away from the limiting plate is provided with a second external thread 4-2 matched with the second screw cap, the handle is provided with a threaded hole matched with the second external thread, and the threaded hole does not penetrate through the handle. In this embodiment, the end of the connecting post far away from the limiting plate passes through the multi-step through hole, and then is screwed with the threaded hole of the grip (in this process, the limiting plate is not placed in the multi-step through hole), and then the second nut is screwed, so that the fixed connection between the grip and the connecting post is realized. And then, placing the limiting plate of the connecting column in the multi-step through hole, and screwing the first nut (the first nut is sleeved on the connecting column before the handle is connected with the connecting column) so as to realize the fixed connection of the arc-shaped trowel plate and the connecting column.
Example 6
The structure and principle of embodiment 6 is similar to those of embodiments 1-3, except that: a third preferred construction of the bolt fastener is given.
Specifically, the bolt fastener comprises a first nut for fixing the arc-shaped trowel plate and a first bolt for fixing the grip; a first external thread matched with the first nut is arranged on a column shaft of the connecting column, which is close to the limiting plate, and a threaded hole matched with the first bolt is arranged on the end of the connecting column, which is far away from the limiting plate; the handle is provided with a second through hole, and the inner diameter of the second through hole is matched with the outer diameter of the first bolt; the first bolt passes through the second through hole and is connected with the threaded hole on the spliced pole. In this embodiment, the grip is fixed by using the end face of the connecting post and the end face of the first bolt, and the key point is that the diameter of the second through hole is smaller than the dimensions of the end face of the connecting post and the first bolt.
Example 7
The structure and principle of embodiment 7 is similar to those of embodiments 1 to 6, except that: a preferred specification of an arcuate trowel surface is given; specifically, the arc-shaped trowel board is an arc-shaped panel with a large curvature radius, and the curvature radius is 20 m+/-0.27 m. The arc-shaped trowel board with the specification can meet the requirements of the light collecting operation of the wall of a shallow circular bin with the size of most specifications.
Example 8
The structure and principle of embodiment 8 is similar to those of embodiments 1 to 7, except that: two structural forms of the connecting column and the limiting plate are provided; specifically, the connecting column and the limiting plate are arranged as an integral piece, or the connecting column and the limiting plate are fixedly connected in a welded and fixed mode. According to the requirements, the structural forms of the corresponding connecting column and the limiting plate are selected.
Example 9
The structure and principle of embodiment 9 are similar to those of embodiments 1 to 8, except that: in order to prevent the surface primary pulp or concrete from being hung on the edge when the arc-shaped trowel plates are completely attached to the bin wall, the side edges of the arc-shaped trowel plates are provided with edge chamfers 1-1, so that the purposes of reducing concrete waste and cleaning and abrasion of trowels are achieved.
Example 10
The structure and principle of embodiment 10 is similar to those of embodiments 1 to 9, except that: in order to improve the holding comfort during construction, four finger grooves 2-1 are pressed in advance on the inner side of the grip. The finger grooves of the grip arranged on the inner side of the grip conform to the design of ergonomics, so that on-site constructors feel more comfortable when using the grip, fatigue of finger joints is relieved, and construction efficiency is further improved.
In embodiments 1-10 above, preferably the grips are vertically disposed with the multi-step through holes located on the same vertical line on the arcuate trowel plate.
The foregoing is merely illustrative of the present utility model and is not intended to limit the scope of the utility model, which is defined by the claims and their equivalents.
Claims (10)
1. A cambered surface trowel that is used for interior outside receipts light of shallow circle storehouse wall, includes arc trowel board and handle, its characterized in that:
the connecting column is fixed on one side surface of the limiting plate; the arc-shaped trowel plate is provided with a multi-step through hole, and the multi-step through hole comprises a concave side section positioned on the concave side surface of the arc-shaped trowel plate, a convex side section positioned on the convex side surface of the arc-shaped trowel plate, and a round hole section positioned between the concave side section and the convex side section; after the connecting column passes through the multi-step through hole, the arc-shaped trowel plate and the handle are fixed on the connecting column by using the fastening bolt;
the cross section shapes of the concave side section and the convex side section are consistent with the shape of the limiting plate, and the size of the connecting column is not larger than the cross section size of the cylindrical section; the shape of the limiting plate is completely the same as that of the concave side section or the convex side section, and when the limiting plate is arranged on the convex side section or the concave side section, the limiting plate does not protrude out of the arc surface of the original arc-shaped trowel plate.
2. The cambered surface trowel for light harvesting on the inner and outer sides of a shallow circular bin wall according to claim 1, wherein: the cross section of the limiting plate, the concave side section and the convex side section adopts a regular polygon structure.
3. The cambered surface trowel for light harvesting on the inner and outer sides of a shallow circular bin wall according to claim 1, wherein: one or two multi-step through holes are arranged on the arc-shaped trowel board according to requirements; when a multi-step through hole is formed, the connecting column is connected with the middle part of the grip through a fastening bolt piece; when two multi-step through holes are formed, the connecting posts are connected with the end parts of the two sides of the handle through fastening bolt pieces.
4. A cambered surface trowel for light harvesting on the inner and outer sides of a shallow circular bin wall according to any one of claims 1-3, characterized in that: the bolt fastener comprises a first nut used for fixing the arc-shaped trowel plate and a second nut used for fixing the grip; the connecting column is close to the column shaft of the limiting plate and provided with a first external thread matched with the first nut, the end, far away from the limiting plate, of the connecting column is provided with a stepped column, the stepped column consists of an original coaxial connecting column and a small-size threaded column, and the small-size threaded column is provided with a second external thread matched with the second nut; the handle is provided with a first through hole, and the inner diameter of the first through hole is matched with the outer diameter of the small-size threaded column.
5. A cambered surface trowel for light harvesting on the inner and outer sides of a shallow circular bin wall according to any one of claims 1-3, characterized in that: the bolt fastener comprises a first nut used for fixing the arc-shaped trowel plate and a second nut used for fixing the grip; the connecting column is close to the column shaft of the limiting plate and is provided with a first external thread matched with the first nut, the end of the connecting column far away from the limiting plate is provided with a second external thread matched with the second nut, the handle is provided with a threaded hole matched with the second external thread, and the threaded hole does not penetrate through the handle.
6. The cambered surface trowel for light harvesting on the inner and outer sides of a shallow circular bin wall according to claim 1, wherein: the arc trowel board is an arc panel with a large curvature radius, and the curvature radius is 20 m+/-0.27 m.
7. The cambered surface trowel for light harvesting on the inner and outer sides of a shallow circular bin wall according to claim 1, wherein: the connecting column and the limiting plate are arranged as an integral piece, or the connecting column and the limiting plate are fixedly connected in a welded and fixed mode.
8. The cambered surface trowel for light harvesting on the inner and outer sides of a shallow circular bin wall according to claim 1, wherein: the side edges of the arc trowel plates are all provided with edge chamfers.
9. The cambered surface trowel for light harvesting on the inner and outer sides of a shallow circular bin wall according to claim 1, wherein: four finger grooves are pressed in advance on the inner side of the grip.
10. The cambered surface trowel for light harvesting on the inner and outer sides of a shallow circular bin wall according to claim 1, wherein: the handles are vertically arranged, and the multi-step through holes are positioned on the same vertical line on the arc-shaped trowel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392866.2U CN219754050U (en) | 2023-05-31 | 2023-05-31 | Cambered surface trowel for collecting light from inner side and outer side of shallow round bin wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392866.2U CN219754050U (en) | 2023-05-31 | 2023-05-31 | Cambered surface trowel for collecting light from inner side and outer side of shallow round bin wall |
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| Publication Number | Publication Date |
|---|---|
| CN219754050U true CN219754050U (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321392866.2U Active CN219754050U (en) | 2023-05-31 | 2023-05-31 | Cambered surface trowel for collecting light from inner side and outer side of shallow round bin wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219754050U (en) |
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2023
- 2023-05-31 CN CN202321392866.2U patent/CN219754050U/en active Active
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