CN220035445U - Movable support system for foundation pit cross brace dismantling - Google Patents
Movable support system for foundation pit cross brace dismantling Download PDFInfo
- Publication number
- CN220035445U CN220035445U CN202321453812.2U CN202321453812U CN220035445U CN 220035445 U CN220035445 U CN 220035445U CN 202321453812 U CN202321453812 U CN 202321453812U CN 220035445 U CN220035445 U CN 220035445U
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- platform
- steel pipe
- cross brace
- support base
- foundation pit
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- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 14
- 239000010935 stainless steel Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 44
- 239000010959 steel Substances 0.000 claims description 44
- 238000003466 welding Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 abstract description 8
- 230000008093 supporting effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 241000288140 Gruiformes Species 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 241000124872 Grus grus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
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- Working Measures On Existing Buildindgs (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a movable support system for dismantling a foundation pit cross brace, which is characterized in that a support base is movably connected to a guide rail, a platform is arranged above the support base, two hydraulic cylinders are arranged between the support base and the platform, a cylinder body of each hydraulic cylinder is fixed with the base, a telescopic piston of each hydraulic cylinder is connected with a lifting stainless steel pipe, the upper end of each lifting stainless steel pipe is connected with the platform, the platform is driven by each hydraulic cylinder to lift and support the cross brace, the cross brace is moved to a lifting position after being cut, the cross brace can be dismantled in a traditional dismantling mode, the supporting effect on the cross brace can be achieved in the cutting process, the safety is improved, the influence of a lifting distance is avoided, and the dismantling efficiency can be improved.
Description
Technical Field
The utility model belongs to the field of concrete cross brace dismantling tools, and particularly relates to a movable support system for dismantling a foundation pit cross brace.
Background
At present, in urban construction, more and more buildings such as underground complexes, underground garages, subway stations, underground passages and the like are built. For the construction of the deep foundation pit of the underground structure, a concrete cross brace is often required to be used for guaranteeing stability of the foundation pit, and the dismantling requirement of the concrete cross brace is more common.
For concrete wales, especially large span concrete wales, the current dismantling mode is: the large lifting appliance is required to be used in the dismantling process, certain safety risks exist in the cutting and dismantling process for workers, such as automobile lifting instability, temporary support component overturning, sudden strong wind weather and the like caused by overlong lifting distance, lifting tools are required to be always on standby, efficiency is low, and the problem that the lifting distance is insufficient, a structural top plate on a crane and the like are also faced in the dismantling of a large-span cross brace, so that a simple lifting mode is adopted to dismantle the large-span cross brace, and some limitations exist.
Disclosure of Invention
The utility model aims at: a movable support for concrete cross brace dismantling is provided, which can be matched with a traditional dismantling mode.
The technical scheme adopted by the utility model is as follows:
a movable support system for foundation ditch cross brace is demolishd, includes support base and guide rail, and support base movable connection is on the guide rail, and support base top sets up the platform, is provided with two pneumatic cylinders between support base and the platform, and the cylinder body and the base of pneumatic cylinder are fixed, and the flexible piston of pneumatic cylinder is connected and is gone up and down nonrust steel pipe, goes up and down nonrust steel pipe upper end and platform connection.
The further technical scheme is that the universal wheels are arranged at the bottom of the support base, the guide rail is a channel steel, and the universal wheels are located in the channel steel.
Further technical scheme lies in, support base bilateral symmetry be provided with the reservation recess, set up movable heel brace in the reservation recess, movable heel brace includes the stabilizer blade steel pipe, the stabilizer blade steel pipe is articulated through fixed pin with the support base, the support base sets up the fixed plate, is connected with the connecting rod between stabilizer blade steel pipe middle part and the fixed plate, the connecting rod is articulated with the stabilizer blade steel pipe, the connecting rod passes through connecting bolt with the fixed plate and is connected.
The further technical scheme is that limiting angle steel is arranged on two sides of the top of the platform.
The further technical scheme is that a steel pipe column is arranged between the platform and the lifting stainless steel pipe, a welding plate is arranged at the top of the steel pipe column, the welding plate is fixed with the platform, and the steel pipe column is connected with the lifting stainless steel pipe through a flange.
The further technical scheme is that the platform comprises a platform steel plate and a platform framework fixed at the bottom of the platform steel plate, and the welding plate is connected with the platform framework.
The further technical scheme is that the front section of the base is provided with a movable hook.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. through with support base removal connection on the guide rail, support base top sets up the platform, be provided with two pneumatic cylinders between support base and the platform, the cylinder body and the base of pneumatic cylinder are fixed, the flexible piston connection of pneumatic cylinder goes up and down the stainless steel pipe, it is connected with the platform to go up and down the stainless steel pipe upper end, lift up and support the stull through pneumatic cylinder drive platform, treat after the stull cutting with it remove to lifting by crane the position, can cooperate traditional demolishment mode, demolish the stull, and can play the supporting role to the stull at the in-process of cutting, promote the security, not receive the influence of hanging the distance, can improve the efficiency of demolishing moreover.
2. The safety is high: a portable support for concrete stull is demolishd, compare and demolish while hanging, adopt temporary support to support concrete beam and demolish again, portable support basis is stable, and bearing capacity is high, has higher stability when concrete stull cuts demolishs, is difficult for taking place to hang potential safety hazards such as unstability, temporary support unstability.
3. Demolishing efficiency is high: the movable support plays roles of temporary support and section transportation after the section is removed in the process of removing the concrete cross brace, and can rapidly transport the removed section to the edge of a foundation pit, so that a common crane can conveniently lift out. For large-span foundation pit, centralized transportation is higher in efficiency.
4. The applicability is strong: for different underground projects, the height difference between the concrete cross braces and the top plate of the underground structure is different, and the height of the support can be adjusted according to different field conditions, so that the support is suitable for various foundation pits.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic view of the structure of the movable heel brace of the present utility model;
FIG. 4 is a schematic view of the movable heel brace according to the present utility model
FIG. 5 is a schematic view showing the structure of the movable heel stand in the accommodated state of the present utility model;
FIG. 6 is a schematic view of a rail mount of the present utility model;
FIG. 7 is a schematic diagram of a first implementation step of the present utility model;
FIG. 8 is a schematic diagram of a second embodiment of the present utility model;
FIG. 9 is a schematic diagram of a third embodiment of the present utility model;
fig. 10 is a schematic diagram of a fourth implementation step of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1-10.
A movable support system for foundation ditch cross brace is demolishd, includes support base 10 and guide rail 14, and support base 10 movable connection is on guide rail 14, and support base 10 top sets up platform 15, is provided with two pneumatic cylinders 9 between support base 10 and the platform 15, and the cylinder body and the base of pneumatic cylinder 9 are fixed, and the flexible piston of pneumatic cylinder 9 is connected and is gone up and down nonrust steel pipe 8, goes up and down nonrust steel pipe 8 upper end and platform 15 to be connected. The bracket base 10 and the guide rail 14 can be connected in a sliding or rolling manner.
The support base 10 bottom sets up universal wheel 11, guide rail 14 is the channel-section steel, and universal wheel 11 is located the channel-section steel, adopts rolling mode to block the power less, and guide rail 14 both sides are arranged steel sheet 21 according to certain interval, and steel sheet 21 trompil adopts expansion bolts 23 to be fixed in roof upper portion, and universal wheel 11 takes the self-locking function, locking brake before the bearing, and universal wheel 11 is fixed in support base 10, support base 10 whole machine is steel construction, has high-strength bearing capacity, and integrated hydraulic control system in inside, control pneumatic cylinder 9's pressure for adjust the stainless steel pipe 8, and then adapt to the concrete stull 1 of various heights, support base 10 both sides symmetry is provided with reservation recess 22, sets up movable foot rest 12 in the reservation recess 22, movable foot rest 12 includes foot steel pipe 16, and support base 10 pass through fixed pin 17 and articulate, and support base 10 sets up fixed plate 20, is connected with connecting rod 18 between foot steel pipe 16 middle part and the fixed plate 20, and connecting rod 18 and foot 16 are articulated, and connecting rod 18 passes through connecting bolt 19 with fixed plate 20 and is connected, and foot 16 forms stable triangle-shaped structure 16 bottom of foot pad 19 with foot pad 16. Limiting angle steel 2 is arranged on two sides of the top of the platform 15, and the concrete cross brace 1 is guaranteed to be always positioned in the center of the support in the transportation process. A steel pipe column 6 is arranged between the platform 15 and the lifting stainless steel pipe 8, a welding plate 5 is arranged at the top of the steel pipe column 6, the welding plate 5 is fixed with the platform 15, and the steel pipe column 6 is connected with the lifting stainless steel pipe 8 through a flange 7. The platform 15 comprises a platform steel plate 3 and a platform framework 4 fixed at the bottom of the platform steel plate 3, and the welding plate 5 is connected with the platform framework 4. The front section of the base is provided with a movable hook 13.
As shown in fig. 7-10, when the structural roof reaches the design strength, firstly, before the concrete cross brace 1 is dismantled, the lifting stainless steel pipe 8 is adjusted to the lowest height, the bracket is moved to the lower part of the first stage of the concrete cross brace 1, before the dismantling and cutting are started, the lifting stainless steel pipe 8 is adjusted to the platform steel plate 3 to be in close contact with the bottom of the concrete cross brace 1, and the first section cross brace is dismantled; 2. lifting the removed first section cross brace out, wherein the second support is used for supporting the rest section cross brace, adjusting the lifting stainless steel tube 8 of the first support to the lowest height, and moving the first support to the lower part of the second section cross brace; 3. moving the second support to the lower part of the third section cross brace, and cutting and dismantling the second section cross brace after the second support is in close contact with the third section cross brace; 4. after cutting is completed, the first support is moved to the edge of the foundation pit, and the second section cross braces are convenient to hang out. The steps are repeated to finish the cutting and dismantling of the cross braces at the subsequent stage, the method can be widely applied, is convenient to operate, high in construction efficiency and low in risk, and the movable foot braces can be tied on the hydraulic cylinder to be fixed after the connecting bolts 19 are dismantled
The foregoing is only illustrative of the preferred embodiments of the present utility model.
Claims (7)
1. A movable support system for foundation ditch cross brace is demolishd, a serial communication port, including support base (10) and guide rail (14), support base (10) movable connection is on guide rail (14), support base (10) top sets up platform (15), be provided with two pneumatic cylinders (9) between support base (10) and platform (15), the cylinder body and the base of pneumatic cylinders (9) are fixed, the flexible piston connection of pneumatic cylinders (9) goes up and down nonrust steel pipe (8), go up and down nonrust steel pipe (8) upper end and platform (15) are connected.
2. A movable support system for foundation pit cross brace removal according to claim 1, wherein the bottom of the support base (10) is provided with universal wheels (11), the guide rail (14) is a channel steel, and the universal wheels (11) are located in the channel steel.
3. The movable support system for foundation pit cross brace dismantling according to claim 2, wherein the support base (10) is symmetrically provided with reserved grooves (22), movable support legs (12) are arranged in the reserved grooves (22), each movable support leg (12) comprises a support leg steel pipe (16), each support leg steel pipe (16) is hinged with the support base (10) through a fixing pin (17), the support base (10) is provided with a fixing plate (20), a connecting rod (18) is connected between the middle part of each support leg steel pipe (16) and the fixing plate (20), the connecting rod (18) is hinged with each support leg steel pipe (16), and the connecting rod (18) is connected with the fixing plate (20) through a connecting bolt (19).
4. A movable support system for foundation pit cross brace removal according to claim 3, wherein limiting angle steel (2) is arranged on both sides of the top of the platform (15).
5. The movable support system for foundation pit cross brace removal according to claim 4, wherein a steel pipe column (6) is arranged between the platform (15) and the lifting stainless steel pipe (8), a welding plate (5) is arranged at the top of the steel pipe column (6), the welding plate (5) is fixed with the platform (15), and the steel pipe column (6) is connected with the lifting stainless steel pipe (8) through a flange (7).
6. The movable support system for foundation pit cross brace removal according to claim 5, wherein the platform (15) comprises a platform steel plate (3) and a platform framework (4) fixed at the bottom of the platform steel plate (3), and the welding plate (5) is connected with the platform framework (4).
7. A movable support system for foundation pit cross brace removal according to claim 6, characterized in that the base front section is provided with a movable hook (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453812.2U CN220035445U (en) | 2023-06-08 | 2023-06-08 | Movable support system for foundation pit cross brace dismantling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453812.2U CN220035445U (en) | 2023-06-08 | 2023-06-08 | Movable support system for foundation pit cross brace dismantling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220035445U true CN220035445U (en) | 2023-11-17 |
Family
ID=88726733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321453812.2U Active CN220035445U (en) | 2023-06-08 | 2023-06-08 | Movable support system for foundation pit cross brace dismantling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220035445U (en) |
-
2023
- 2023-06-08 CN CN202321453812.2U patent/CN220035445U/en active Active
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