CN216865174U - Axial force auxiliary device is applyed to deep basal pit steel pipe support - Google Patents
Axial force auxiliary device is applyed to deep basal pit steel pipe support Download PDFInfo
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- CN216865174U CN216865174U CN202122511000.6U CN202122511000U CN216865174U CN 216865174 U CN216865174 U CN 216865174U CN 202122511000 U CN202122511000 U CN 202122511000U CN 216865174 U CN216865174 U CN 216865174U
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Abstract
The utility model relates to an auxiliary device for applying axial force to a steel pipe support of a deep foundation pit, which comprises a jack body, wherein a base is arranged at the bottom of the jack body, a sleeve is arranged on the base, the jack body is arranged in the sleeve in a vertically sliding manner, a power mechanism for driving the jack body to slide is arranged in the base and the sleeve, a plurality of reinforcing rib plates fixedly connected with the base are uniformly distributed on the circumference of the side wall of the sleeve, an annular plate with an L-shaped section is arranged at the top of the side wall of the jack body, an extension cylinder is connected onto the annular plate in a threaded manner, an extension column is arranged on the inner wall of the extension cylinder in a vertically sliding manner, a stroke rod on the jack body is abutted against the bottom of the extension column, and an adjusting rod is arranged at the center of the top of the extension column. The utility model can effectively solve the problem of insufficient stroke of the jack and is flexible and convenient to use.
Description
Technical Field
The utility model relates to the field of deep foundation pit steel pipe supports, in particular to an axial force application auxiliary device for a deep foundation pit steel pipe support.
Background
In recent years, some structures with complex geological conditions and deep burial depth are frequently encountered in the engineering design process, so that a great amount of geotechnical engineering problems of deep foundation pit excavation and supporting are caused.
The steel pipe support as the pressed rod piece has the advantages of lower strength and rigidity than the reinforced concrete support, high construction speed, timely function, no need of blasting for demolition, high recycling rate and slightly lower comprehensive cost than the reinforced concrete support.
The key of the steel pipe support construction lies in applying prestress. The prestressing should be applied immediately after the steel pipe support is installed in place. After the steel pipe support is placed in place, the jack is placed in the jacking position of the movable end, and prestress is applied step by step according to design requirements. The problem that the prestressing force process exists is supported to present steel pipe is, often can meet the jack stroke not enough problem, and present solution is exactly to fill up the steel sheet in jack one side, but general breach size is unknown, so need fill up the steel sheet of different specifications, lead to the construction inconvenient, influence the efficiency of construction.
Disclosure of Invention
The utility model aims to solve the problems and provides an axial force application auxiliary device for a steel pipe support of a deep foundation pit.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a deep basal pit steel pipe supports and applys axial force auxiliary device, including the jack body, jack body bottom is equipped with the base, be equipped with the sleeve on the base, slide from top to bottom and locate in the sleeve the jack body, and be equipped with the gliding power unit of drive jack body in base and the sleeve, sleeve lateral wall circumference equipartition has a plurality of deep floor with the base rigid coupling, jack body lateral wall top is equipped with the annular slab that the cross-section is L shape, threaded connection has an extension section of thick bamboo on the annular slab, the extension section of thick bamboo inner wall slides from top to bottom and is equipped with the extension post, stroke pole and extension bottom of the column butt on the jack body, extension top of the column center is equipped with the regulation pole.
Particularly, the bottom of the jack body is provided with a lifting plate, and the lifting plate is arranged on the inner wall of the sleeve in a sliding manner.
Particularly, the inner wall of the sleeve is provided with a mounting ring, two ends of the bottom in the sleeve are rotatably connected with lead screws, the tops of the lead screws are rotatably connected to the bottoms of the mounting ring, the lead screws are in threaded connection with a movable plate, the bottom of the lifting plate is fixedly connected with a connecting block fixedly connected with the top of the movable plate, and the movable plate is driven to move through a power mechanism.
The base is hollow, the bottom of the screw rod penetrates into the base and is rotatably connected to the bottom of the base, the power mechanism comprises a first gear arranged on the screw rod, the first gear is located in the base, a supporting column is arranged at the bottom of the base, a second gear is rotatably connected to the supporting column and is located between the first gear and meshed with the second gear, a rotating shaft is rotatably connected to one end of the bottom of the base, a third gear is arranged on the rotating shaft and meshed with the first gear, and a hand wheel penetrates out of the top of the rotating shaft and is arranged on the base.
Particularly, a plurality of sliding blocks are uniformly distributed on the circumference of the side wall of the extension column, a plurality of sliding grooves corresponding to the sliding blocks are formed in the inner wall of the extension cylinder, and the sliding blocks are arranged in the sliding grooves in a sliding mode.
Particularly, the center of the top of the extension column is provided with a groove, the adjusting rod is in threaded connection with the groove, and the top of the adjusting rod is provided with a base plate.
The utility model has the beneficial effects that: the jack can reciprocate in the sleeve, can highly adjust the jack, and the setting of extension section of thick bamboo, extension post and regulation pole can further prolong the jack and rise the height, can effectively improve work efficiency, and it is nimble convenient to use.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a schematic view of the location of the stiffener plate of the present invention;
in the figure: 1-a base; 2, a first gear; 3-gear two; 4-a sleeve; 5-reinforcing rib plate; 6-mounting a ring; 7-connecting blocks; 8-jack body; 9-a ring plate; 10-an extension cylinder; 11-a slide block; 12-an elongated post; 13-a backing plate; 14-adjusting the rod; 15-a travel bar; 16-a lifter plate; 17-moving the plate; 18-a lead screw; 19-a hand wheel; 20-a rotating shaft; 21-gear three;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in FIGS. 1-3, an auxiliary device for applying axial force to a steel pipe support of a deep foundation pit comprises a jack body 8, wherein a base 1 is arranged at the bottom of the jack body 8, a sleeve 4 is arranged on the base 1, the jack body 8 is arranged in the sleeve 4 in a vertical sliding manner, a power mechanism for driving the jack body 8 to slide is arranged in the base 1 and the sleeve 4, a lifting plate 16 is arranged at the bottom of the jack body 8, the lifting plate 16 is arranged on the inner wall of the sleeve 4 in a sliding manner, a mounting ring 6 is arranged on the inner wall of the sleeve 4, two ends of the bottom in the sleeve 4 are rotatably connected with lead screws 18, the tops of the lead screws 18 are rotatably connected to the bottoms of the mounting rings 6, a movable plate 17 is connected to the bottom of the lifting plate 16 through threads, a connecting block 7 fixedly connected to the tops of the movable plate 17 is fixedly connected to the bottoms of the movable plate 16, the movable plate 17 is driven to move by the power mechanism, the inner portion of the base 1 is hollow, the bottoms of the lead screws 18 penetrate into the base 1 and are rotatably connected to the bottom in the base 1, the power mechanism comprises a first gear 2 arranged on the lead screw 18, the first gear 2 is located in the base 1, a support column is arranged at the bottom in the base 1, a second gear 3 is connected to the support column in a rotating mode, the second gear 3 is located between the first gear 2 and meshed with the first gear 2 and the second gear 3, one end of the bottom in the base 1 is connected with a rotating shaft 20 in a rotating mode, a third gear 21 is arranged on the rotating shaft 20, the third gear 21 is meshed with the first gear 2, and the top of the rotating shaft 20 penetrates out of the base 1 and is provided with a hand wheel 19.
4 lateral wall circumference equipartitions of sleeve have a plurality of deep floor 5 with 1 rigid coupling of base, 8 lateral wall tops of jack body are equipped with the annular slab 9 that the cross-section is L shape, threaded connection has an extension section of thick bamboo 10 on the annular slab 9, it is equipped with extension post 12 to slide from top to bottom on the 10 inner walls of extension section of thick bamboo, stroke pole 15 and extension post 12 bottom butt on the jack body 8, extension post 12 top center is equipped with adjusts pole 14, extension post 12 lateral wall circumference equipartition has a plurality of sliders 11, be equipped with a plurality of spouts that correspond with slider 11 on the 10 inner walls of extension section of thick bamboo, slider 11 slides and locates in the spout, extension post 12 top center is equipped with the recess, adjust pole 14 threaded connection in the recess, and it is equipped with backing plate 13 to adjust pole 14 top.
When the device works, the device is placed at a position to be supported by a steel pipe, the jack starts to work, the travel rod 15 pushes the extension column 12 to move when moving until the extension column 12 is in contact with the steel pipe support and generates pressure, after prestress is applied in place, the movable end of the steel pipe support can be fixed, if the travel is insufficient after jacking, the adjusting rod 14 can be further adjusted, the part can be screwed out, and meanwhile, the hand wheel 19 can be rotated to improve the initial height of the jack so as to be abutted to the steel pipe support. The utility model can further prolong the jack lifting height, can effectively improve the working efficiency and is flexible and convenient to use.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.
Claims (6)
1. An auxiliary device for applying axial force to a steel pipe support of a deep foundation pit comprises a jack body (8), it is characterized in that the bottom of the jack body (8) is provided with a base (1), the base (1) is provided with a sleeve (4), the jack body (8) is arranged in the sleeve (4) in a vertical sliding manner, and be equipped with gliding power unit of drive jack body (8) in base (1) and sleeve (4), sleeve (4) lateral wall circumference equipartition has deep floor (5) a plurality of and base (1) rigid coupling, jack body (8) lateral wall top is equipped with annular slab (9) that the cross-section is L shape, threaded connection has an extension section of thick bamboo (10) on annular slab (9), it is equipped with extension post (12) to slide from top to bottom on extension section of thick bamboo (10) inner wall, stroke pole (15) and extension post (12) bottom butt on jack body (8), extension post (12) top center is equipped with regulation pole (14).
2. The deep foundation pit steel pipe support axial force application auxiliary device is characterized in that a lifting plate (16) is arranged at the bottom of the jack body (8), and the lifting plate (16) is arranged on the inner wall of the sleeve (4) in a sliding mode.
3. The auxiliary device for applying the axial force to the steel pipe support of the deep foundation pit according to claim 2, wherein a mounting ring (6) is arranged on the inner wall of the sleeve (4), two ends of the bottom in the sleeve (4) are rotatably connected with lead screws (18), the top of each lead screw (18) is rotatably connected to the bottom of the mounting ring (6), a moving plate (17) is connected to each lead screw (18) in a threaded manner, a connecting block (7) fixedly connected to the top of the moving plate (17) is fixedly connected to the bottom of the lifting plate (16), and the moving plate (17) is driven to move through a power mechanism.
4. The auxiliary device for applying the axial force to the steel pipe support of the deep foundation pit according to claim 3, wherein the base (1) is hollow, the bottom of the lead screw (18) penetrates into the base (1) and is rotatably connected to the inner bottom of the base (1), the power mechanism comprises a first gear (2) arranged on the lead screw (18), the first gear (2) is positioned in the base (1), a support column is arranged at the inner bottom of the base (1), a second gear (3) is rotatably connected to the support column, the second gear (3) is positioned between the first gears (2), the first gear (2) is meshed with the second gear (3), one end of the bottom in the base (1) is rotatably connected with a rotating shaft (20), a third gear (21) is arranged on the rotating shaft (20), the third gear (21) is meshed with the first gear (2), and the top of the rotating shaft (20) penetrates out of the base (1) and is provided with a hand wheel (19).
5. The auxiliary device for applying the axial force to the steel pipe support of the deep foundation pit according to claim 4, wherein a plurality of sliding blocks (11) are uniformly distributed on the circumference of the side wall of the extension column (12), a plurality of sliding grooves corresponding to the sliding blocks (11) are formed in the inner wall of the extension cylinder (10), and the sliding blocks (11) are slidably arranged in the sliding grooves.
6. The deep foundation pit steel pipe support axial force application auxiliary device is characterized in that a groove is formed in the center of the top of the extension column (12), the adjusting rod (14) is connected into the groove in a threaded mode, and the base plate (13) is arranged on the top of the adjusting rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122511000.6U CN216865174U (en) | 2021-10-19 | 2021-10-19 | Axial force auxiliary device is applyed to deep basal pit steel pipe support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122511000.6U CN216865174U (en) | 2021-10-19 | 2021-10-19 | Axial force auxiliary device is applyed to deep basal pit steel pipe support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216865174U true CN216865174U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122511000.6U Active CN216865174U (en) | 2021-10-19 | 2021-10-19 | Axial force auxiliary device is applyed to deep basal pit steel pipe support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216865174U (en) |
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2021
- 2021-10-19 CN CN202122511000.6U patent/CN216865174U/en active Active
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