CN215717511U - Double-piston unloading sandbox for steel structure support - Google Patents
Double-piston unloading sandbox for steel structure support Download PDFInfo
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- CN215717511U CN215717511U CN202121465659.6U CN202121465659U CN215717511U CN 215717511 U CN215717511 U CN 215717511U CN 202121465659 U CN202121465659 U CN 202121465659U CN 215717511 U CN215717511 U CN 215717511U
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Abstract
The utility model particularly relates to a double-piston unloading sandbox for steel structure support; including outer staving, inner barrel body, the upper end carrier plate, piston plate and steel sand, inner barrel body cover is established in outer staving, the bottom of inner barrel body sets up the piston plate, seal structure has between the inner wall of piston plate and outer staving and sets up the steel sand between the inner chamber of piston plate and outer staving, arrange the husky valve in the lateral part of outer staving, the top of inner barrel body sets up the upper end carrier plate, the switching through arranging the husky valve makes the inside steel sand of outer staving discharge or pack into, thereby inner barrel body and upper end carrier plate are along with how much and realize the fluctuation of steel sand quantity. This uninstallation sandbox forms firm whole after adorning the steel sand through the connection of increase high strength bolt to outer staving, interior staving, keeps the better closely knit degree of steel sand. Meanwhile, a small piston formed by combining an inner guide cylinder and a guide rod is further added, so that the eccentric stress deviation rectifying effect in the sand flowing process of the sand box is achieved.
Description
Technical Field
The utility model relates to the field of civil engineering, in particular to a double-piston unloading sandbox for steel structure support.
Background
The steel structure is an excellent building structure form which is continuously developed to the present in the building industry. Often adopt interim support in large-span, the steel construction of encorbelmenting, after the structure construction is accomplished, before demolising interim support, need unload to interim support for the steel construction supports the stress state that the stress state gently transits to the designing requirement from the area. In the past, because the temporary supports are rigid parts, jacks are required to be used more when the temporary supports are unloaded. Thus, it is necessary to arrange a jack and a synchronizer in advance, and thus, there is a problem that the work is troublesome when the temporary support is unloaded.
Disclosure of Invention
The utility model aims to overcome the defects and provides a passive temporary support for a steel structure, which can realize the unloading function and can be recycled.
In order to achieve the above object, the present invention is realized by:
the utility model provides a double-piston uninstallation sandbox for steel construction support, including outer staving (6), interior staving (5), upper end carrier plate (1), piston plate (9) and steel sand (13), interior staving (5) cover is established in outer staving (6), the bottom of interior staving (5) sets up piston plate (9), seal structure (11) have between the inner wall of piston plate (9) and outer staving (6) set up steel sand (13) between the inner chamber of piston plate (9) and outer staving (6), arrange husky valve (10) are seted up to the lateral part of outer staving (6), top including staving (5) sets up upper end carrier plate (1), make inside steel sand (13) of outer staving (6) discharge or pack into through the switching of arranging husky valve, thereby interior staving (5) and upper end carrier plate (1) are along with how much and realize floating from top to steel sand (13) quantity.
A two piston uninstallation sandboxes for steel construction support still include guide cylinder (8) and guide post (7), guide cylinder (8), guide post (7) overlap each other and overlap the cover setting to guide cylinder (8), guide post (7) are connected with the bottom or the top of outer staving (6), interior staving (5) respectively, guide cylinder (8) still pass piston plate (9), and have seal structure (11) between piston plate (9) and guide cylinder (8).
A two piston uninstallation sandboxes for steel construction supports set up connecting bolt (4) and first bolt fastening board (2), second bolt fastening board (3) between outer staving (6) and interior staving (5) to through connecting bolt (4) and first bolt fastening board (2), threaded connection between second bolt fastening board (3) come to do the use of interim highly fixed to outer staving (6), interior staving (5).
A four corners sets up the hole for hoist for steel construction supported double piston uninstallation sandbox, upper end carrier plate (1).
The double-piston unloading sandbox for the steel structure support is characterized in that a lower end bearing plate (12) is arranged at the bottom of an outer sleeve.
Unloading buckets with steel sand as a carrier have appeared on the market, but the unloading sandbox disclosed by the technical scheme of the application has the following advantages compared with the existing unloading device:
1. the connection of the high-strength bolts to the outer barrel body and the inner barrel body is increased, a stable whole is formed after steel sand is filled, and the better compactness of the steel sand is kept.
2. The small piston combined by the guide cylinder and the guide rod inside is added, so that the eccentric stress deviation rectifying effect in the sand flowing process of the sand box is achieved.
Drawings
Figure 1 is a cross-sectional view of the present unloading sandbox.
Fig. 2 is a schematic perspective view of the unloading sandbox.
Fig. 3 is a schematic view of the working state of the unloading sandbox.
Detailed Description
The utility model is further illustrated by the following specific examples.
As shown in figures 1 to 3, the double-piston unloading sandbox for the steel structure support comprises an outer barrel body (6), an inner barrel body (5), an upper end bearing plate (1), a piston plate (9) and steel sand (13), wherein the inner barrel body (5) is sleeved in the outer barrel body (6), a piston plate (9) is arranged at the bottom of the inner barrel body (5), a sealing structure (11) is arranged between the piston plate (9) and the inner wall of the outer barrel body (6), steel sand (13) is arranged between the piston plate (9) and the inner cavity of the outer barrel body (6), a sand discharge valve (10) is arranged at the side part of the outer barrel body (6), an upper end bearing plate (1) is arranged at the top part of the inner barrel body (5), the steel sand (13) in the outer barrel body (6) is discharged or filled by opening and closing the sand discharge valve, thereby the inner barrel body (5) and the upper end bearing plate (1) float up and down along with the amount of the steel sand (13).
A two piston uninstallation sandboxes for steel construction support still include guide cylinder (8) and guide post (7), guide cylinder (8), guide post (7) overlap each other and overlap the setting to guide cylinder (8), guide post (7) are connected with the bottom or the top of outer staving (6), interior staving (5) respectively, guide cylinder (8) still pass piston plate (9), and have seal structure (11) between piston plate (9) and guide cylinder (8) so, realize outside, inboard two piston structure between outer staving (6), interior staving (5), open the back in blast gate (10), upper end carrier plate (1) receives pressure, makes the steel sand uniform flow sand, plays the effect of eccentric atress rectifying.
A two piston uninstallation sandboxes for steel construction support, set up connecting bolt (4) and first bolt fastening board (2) between outer staving (6) and interior staving (5), second bolt fastening board (3), thereby come outer staving (6) through connecting bolt (4) and first bolt fastening board (2), threaded connection between second bolt fastening board (3), interior staving (5) are made to face fixedly, so, can pass through connecting bolt (4) and first bolt fastening board (2) after filling the steel sand in outer staving (6), threaded connection between second bolt fastening board (3) comes to realize compressing tightly the purpose of closely knit steel sand, can ensure like this in, the urceolus forms firm whole. And under the condition that the sand box has no upper pressure, the better compactness of the steel sand is kept.
A four corners sets up the hole for hoist for steel construction supported double piston uninstallation sandbox, upper end carrier plate (1).
The double-piston unloading sandbox for the steel structure support is characterized in that a lower end bearing plate (12) is arranged at the bottom of an outer sleeve.
In the double-piston unloading sandbox structure, scales are marked on the outer wall of the inner barrel body (5), so that the unloading displacement can be accurately operated and monitored.
Claims (5)
1. The utility model provides a two piston uninstallation sandboxs for steel construction supports which characterized by: including outer staving (6), inner barrel body (5), upper end carrier plate (1), piston plate (9) and steel sand (13), inner barrel body (5) cover is established in outer staving (6), bottom including staving (5) sets up piston plate (9), seal structure (11) have between the inner wall of piston plate (9) and outer staving (6) set up steel sand (13) between the inner chamber of piston plate (9) and outer staving (6), arrange husky valve (10) is seted up to the lateral part of outer staving (6), top including staving (5) sets up upper end carrier plate (1), make inside steel sand (13) of outer staving (6) discharge or pack into through the switching of arranging husky valve, thereby inner barrel body (5) and upper end carrier plate (1) are along with how much of steel sand (13) quantity and realize the vertical floating.
2. The double piston unloading sandbox for steel structural support according to claim 1, wherein: still include guide cylinder (8) and guide post (7), guide cylinder (8), guide post (7) overlap each other and overlap the cover setting to guide cylinder (8), guide post (7) are connected with the bottom or the top of outer staving (6), interior staving (5) respectively, guide cylinder (8) still pass piston plate (9), and have seal structure (11) between piston plate (9) and guide cylinder (8).
3. A double piston unloading sandbox for steel structure support according to claim 1 or claim 2, wherein: set up connecting bolt (4) and first bolt fixed plate (2), second bolt fixed plate (3) between outer staving (6) and interior staving (5) to through connecting bolt (4) and first bolt fixed plate (2), threaded connection between second bolt fixed plate (3) come to do the use of interim highly fixed to outer staving (6), interior staving (5).
4. The double piston unloading sandbox for steel structural support according to claim 1, wherein: four corners of the upper end bearing plate (1) are provided with hoisting holes.
5. The double piston unloading sandbox for steel structural support according to claim 1, wherein: the bottom of the outer sleeve is provided with a lower end bearing plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121465659.6U CN215717511U (en) | 2021-06-30 | 2021-06-30 | Double-piston unloading sandbox for steel structure support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121465659.6U CN215717511U (en) | 2021-06-30 | 2021-06-30 | Double-piston unloading sandbox for steel structure support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215717511U true CN215717511U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121465659.6U Active CN215717511U (en) | 2021-06-30 | 2021-06-30 | Double-piston unloading sandbox for steel structure support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215717511U (en) |
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2021
- 2021-06-30 CN CN202121465659.6U patent/CN215717511U/en active Active
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