CN212893502U - Steel plate tongs for hoisting composite plate - Google Patents
Steel plate tongs for hoisting composite plate Download PDFInfo
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- CN212893502U CN212893502U CN202021053423.7U CN202021053423U CN212893502U CN 212893502 U CN212893502 U CN 212893502U CN 202021053423 U CN202021053423 U CN 202021053423U CN 212893502 U CN212893502 U CN 212893502U
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Abstract
The utility model relates to the technical field of building construction, in particular to a steel plate tongs for hoisting composite plates, which is characterized in that a U-shaped jaw is arranged on a tong body, a mounting groove is arranged on the part of the tong body above the jaw, a tong tongue is arranged in the mounting groove, the tong tongue is rotationally connected with the tong body through a pivot, the lower part of the tong tongue can rotate into the jaw around the pivot, and a metal plate with smooth and flat upper surface is welded at the bottom of the jaw; the composite plate is hoisted by adopting the steel plate tongs, and the tongs body is in surface contact with the composite surface layer, so that the local stress of the composite surface layer is greatly reduced, the defects of scratches, indentations, pits and the like of the composite plate in the hoisting process are avoided, and the performance and the service life of a product are effectively ensured; and then when the composite sheet handling, need not increase other safeguard procedures to the double faced layer, can effectual assurance double faced layer's quality. And the steel plate pliers are simple to manufacture, low in cost and high in practicability.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a steel sheet pincers for handling composite sheet.
Background
The composite board covering layer is a decisive part of the material performance, and the damage to the covering layer greatly influences the performance and the service life of the product. For example, in the process of environment-friendly modification of a concrete chimney, a set of 205m titanium steel composite plate steel inner cylinder needs to be additionally arranged in the concrete chimney. The inner cylinder is made of hot-rolled titanium steel composite plates TA2+ Q235B and Q235B, the thickness of the titanium steel composite plates is four, namely 1.2+12/14/16/18mm, the diameter of the titanium steel composite plates is 7 m, the height of the titanium steel composite plates is 205m, the weight of the titanium steel composite plates is 600t, the weight of the titanium steel composite plates (TA2+ Q235B) is 460t, and the balance of the titanium steel composite plates is common carbon steel (Q235B). The thickness of the titanium layer is only 1.2mm, and the design service life of the steel inner cylinder is 15 years. Therefore, any damage to the titanium surface will become a weak point of corrosion resistance, and the durability of the inner cylinder is greatly reduced.
At present, composite plates such as titanium steel composite plates are generally hoisted by using steel plate tongs, and the steel plate tongs are used as common tools for hoisting steel plates and generate clamping force by using the self weight of the steel plates. In order to ensure that the clamping force can meet the hoisting requirement, the clamp tongue, the clamp body and the steel plate clamping part are not smooth planes, the clamp body and the steel plate clamping part are generally provided with anti-slip pads, and in the process of hoisting the steel plate, the clamp tongue or the clamp body can cause certain damage to the surface of the steel plate, so that the composite layer of the composite plate can be damaged by hoisting the composite plate by using the existing steel plate clamp, the performance and the service life of the product can be greatly influenced, and the clamp tongue and the steel plate clamping part are undesirable to the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the utility model discloses a steel sheet pincers for handling composite sheet, wherein, include: the clamp tongue, the clamp body and the metal plate;
the clamp body is provided with a U-shaped clamp opening, the part of the clamp body above the clamp opening is provided with a mounting groove, the part of the clamp body at two sides of the mounting groove is provided with a connecting hole, the middle part of the clamp tongue is provided with a mounting hole, the clamp tongue is arranged in the mounting groove, and the clamp tongue is rotatably connected with the clamp body through a pivot shaft penetrating through the mounting hole and the connecting hole and enables the lower part of the clamp tongue to rotate into the clamp opening around the pivot shaft;
the upper surface of the metal plate is smooth and flat, and the lower surface of the metal plate is welded on the bottom of the jaw.
The steel plate tongs for hoisting the composite plates are characterized in that the metal plates are steel plates.
The steel plate tongs for hoisting the composite plates are characterized in that the thickness of the metal plate is 3.5-4.5 mm.
The steel plate tongs for hoisting the composite plates are characterized in that the tong tongue is provided with a suspension end and a clamping end which are oppositely arranged, the suspension end is provided with a suspension hole, the clamping end is provided with an arc-shaped clamping surface, and the clamping surface is uniformly provided with teeth.
The steel plate tongs for hoisting the composite plates are characterized in that the upper surfaces of the metal plates are parallel to the bottom plane of the U-shaped tongs mouth.
Above-mentioned utility model has following advantage or beneficial effect:
the utility model discloses a steel plate tongs for hoisting composite plates, which is characterized in that a U-shaped jaw is arranged on a tongs body, a mounting groove is arranged on the part of the tongs body above the jaw, a tongs tongue is arranged in the mounting groove, the tongs tongue is rotationally connected with the tongs body through a pivot, the lower part of the tongs tongue can rotate to the jaw around the pivot, and a metal plate with smooth and flat upper surface is welded at the bottom of the jaw; the composite plate is hoisted by adopting the steel plate tongs, and the tongs body is in surface contact with the composite surface layer, so that the local stress of the composite surface layer is greatly reduced, the defects of scratches, indentations, pits and the like of the composite plate in the hoisting process are avoided, and the performance and the service life of a product are effectively ensured; and then when the composite sheet handling, need not increase other safeguard procedures to the double faced layer, can effectual assurance double faced layer's quality. And the steel plate pliers are simple to manufacture, low in cost and high in practicability.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a schematic structural view of a steel plate tongs in an embodiment of the present invention;
fig. 2 is an application structure schematic diagram of a steel plate clamp in the embodiment of the present invention.
Detailed Description
As is well known, the clamping contact parts of the steel plate pliers and the steel plate are pliers tongues and pliers bodies, and the pliers tongues are main stress points and cannot be changed randomly. However, the contact part between the conventional steel plate pliers body and the steel plate is not a smooth plane, and is easy to damage the surface of a clamped component (particularly a composite layer).
Based on the above problem, the utility model discloses a steel plate tongs for handling composite sheet, include: the clamp tongue, the clamp body and the metal plate; the clamp body is provided with a U-shaped clamp opening, the part of the clamp body above the clamp opening is provided with a mounting groove, the part of the clamp body at two sides of the mounting groove is provided with a connecting hole, the middle part of the clamp tongue is provided with a mounting hole, the clamp tongue is arranged in the mounting groove, and the clamp tongue is rotatably connected with the clamp body through a pivot shaft penetrating through the mounting hole and the connecting hole and enables the lower part of the clamp tongue to rotate into the clamp opening around the pivot shaft; the upper surface of the metal plate is smooth and flat, and the lower surface of the metal plate is welded on the bottom of the jaw.
The present invention will be further described with reference to the accompanying drawings and specific examples, which should not be construed as limiting the invention.
As shown in fig. 1 and 2, the present embodiment relates to a steel plate tongs for hoisting composite plates, and specifically, the steel plate tongs comprises: the clamp tongue 1, the clamp body 2 and the steel plate 3; the pliers body 2 is provided with a U-shaped jaw 21, the part of the pliers body 2 above the jaw 21 is provided with a mounting groove (specifically, the mounting groove is positioned in the middle of the part of the pliers body 2 above the jaw 21), the part of the pliers body 2 at two sides of the mounting groove is provided with a connecting hole, the middle of the pliers tongue 1 is provided with a mounting hole, the pliers tongue 1 is arranged in the mounting groove, the pliers tongue 1 is rotatably connected with the pliers body 2 through a pivot 4 penetrating the mounting hole and the connecting hole and enables the lower part of the pliers tongue 1 to rotate around the pivot 4 to the jaw 21 so as to clamp a plate together with the pliers body 2, the upper surface of the steel plate 3 is smooth and flat, the lower surface of the steel plate 3 is welded on the bottom of the jaw 21, when in use, the surface contact between the pliers body 2 and the surface layer 51 can be realized only by placing the surface layer 51 of the composite plate 5 (such as a titanium steel composite plate, thereby increase the area of contact of the steel sheet pincers body with the compound surface course 51, very big reduction compound surface course 51 local atress, and because the smooth level of steel sheet 3 upper surface to can effectual protection composite sheet 5's compound surface course 51's quality.
In the embodiment of the present invention, the thickness of the steel plate 3 is 3.5-4.5 mm (e.g., 3.5mm, 3.8mm, or 4 mm).
In the embodiment of the present invention, the clamp tongue 1 has a hanging end 11 and a clamping end 12 which are oppositely disposed, the hanging end 11 has a hanging hole, the clamping end 12 has an arc-shaped clamping surface, and the clamping surface is uniformly provided with teeth 121 to increase the friction force between the clamp tongue 1 and the composite board 5.
It should be noted that, when the steel plate pliers are used, the portion of the pliers body 2 of the newly added steel plate 3 which is in contact with the surface covering layer 51 must be ensured, and the portion of the pliers tongue 1 with teeth cannot be ensured.
In the embodiment of the present invention, the upper surface of the metal plate is parallel to the bottom plane of the U-shaped jaw 21 to ensure that the upper surface of the metal plate is in surface contact with the surface layer 51 of the composite plate 5.
Specifically, the steel plate tongs for hoisting the composite plates in the embodiment are simple to manufacture, and the specific manufacturing method comprises the following steps: firstly, preparing a flat and smooth 4mm thick steel plate with the size similar to that of a clamp body; then removing the anti-slip pad of the steel plate pliers body; placing the newly added steel plate to a proper position of the clamp body; then, pre-clamping a steel plate, and spot-welding the periphery of the newly-added steel plate (which is to ensure that the newly-added steel plate is in overall contact with a component during hoisting) so as to ensure that the steel plate is in surface contact after being clamped; then, welding comprehensively; and after welding, loosening the steel plate pliers, removing the pre-clamped steel plate, and polishing and flattening the newly-added steel plate.
To sum up, the utility model discloses a steel sheet pincers for handling composite sheet can solve the composite sheet at the in-process of handling, and the pincers body is to the damage problem of composite sheet. After the composite plate hoisting composite surface layer is used for protecting the steel plate tongs, the tongs body is in surface contact with the composite surface layer, point contact and line contact are avoided, local stress of the composite surface layer is greatly reduced, the surface quality of the composite surface layer is effectively guaranteed, and the composite plate hoisting composite surface layer has a very wide market application prospect.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention, and are not described herein.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (5)
1. The utility model provides a steel plate tongs for handling composite sheet which characterized in that includes: the clamp tongue, the clamp body and the metal plate;
the clamp body is provided with a U-shaped clamp opening, the part of the clamp body above the clamp opening is provided with a mounting groove, the part of the clamp body at two sides of the mounting groove is provided with a connecting hole, the middle part of the clamp tongue is provided with a mounting hole, the clamp tongue is arranged in the mounting groove, and the clamp tongue is rotatably connected with the clamp body through a pivot shaft penetrating through the mounting hole and the connecting hole and enables the lower part of the clamp tongue to rotate into the clamp opening around the pivot shaft;
the upper surface of the metal plate is smooth and flat, and the lower surface of the metal plate is welded on the bottom of the jaw.
2. The steel plate tongs for handling composite plates according to claim 1 wherein the metal plates are steel plates.
3. The steel plate tongs for lifting composite plates according to claim 1, wherein the thickness of the metal plate is 3.5 to 4.5 mm.
4. The steel plate tongs for lifting composite plates according to claim 1, wherein the tong tongue has a hanging end and a tong pressing end which are oppositely arranged, the hanging end is provided with a hanging hole, the tong pressing end is provided with an arc-shaped tong pressing surface, and the tong pressing surface is uniformly provided with teeth.
5. Steel vise for lifting composite plates according to claim 1 having an upper surface of the metal plate parallel to the plane of the base of the U shaped jaws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021053423.7U CN212893502U (en) | 2020-06-09 | 2020-06-09 | Steel plate tongs for hoisting composite plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021053423.7U CN212893502U (en) | 2020-06-09 | 2020-06-09 | Steel plate tongs for hoisting composite plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212893502U true CN212893502U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021053423.7U Active CN212893502U (en) | 2020-06-09 | 2020-06-09 | Steel plate tongs for hoisting composite plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212893502U (en) |
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2020
- 2020-06-09 CN CN202021053423.7U patent/CN212893502U/en active Active
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