CN220132918U - Long-stroke axial force servo supporting device - Google Patents
Long-stroke axial force servo supporting device Download PDFInfo
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- CN220132918U CN220132918U CN202320358065.8U CN202320358065U CN220132918U CN 220132918 U CN220132918 U CN 220132918U CN 202320358065 U CN202320358065 U CN 202320358065U CN 220132918 U CN220132918 U CN 220132918U
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- jacking cylinder
- adjusting washer
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 102
- 239000010959 steel Substances 0.000 claims abstract description 102
- 238000009434 installation Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a long-stroke axial force servo supporting device which comprises a steel support, a steel sleeve box, an adjusting washer, a jacking cylinder and a base, wherein the base is fixedly connected with the side wall of a foundation pit, the steel sleeve box is arranged on the base, one end, far away from the side wall of the foundation pit, of the steel sleeve box is provided with an end plate and is fixedly connected with the steel support, the adjusting washer and the jacking cylinder are arranged in the steel sleeve box, the adjusting washer is positioned between the end plate and the jacking cylinder, the adjusting washer is in a ring shape, the outer diameter of the adjusting washer is identical to the outer diameter of the jacking cylinder, first supporting pieces for supporting the adjusting washer are arranged on a bottom plate of the steel sleeve box at intervals, the side surfaces of the first supporting pieces are attached to the end plate, the top of the first supporting pieces is provided with an arc-shaped mounting surface matched with the outer contour of the adjusting washer, and the length of the long-stroke axial force servo supporting device is adjusted by arranging the adjusting washer with required thickness between the end plate and the jacking cylinder.
Description
Technical Field
The utility model belongs to the technical field of engineering construction, and relates to a foundation pit excavation axial force servo supporting device.
Background
Currently, with the increasing importance of safety, the axial force servo support device is widely applied to foundation pit excavation. The conventional axial force servo supporting device adopts a steel pipe and a steel sleeve box, and a jacking oil cylinder is arranged in the steel sleeve box to realize the control of supporting axial force. The supporting device designed according to the drawing generally adopts a standardized mode to determine the length of the steel pipe in application, and the rest lengths are matched through the expansion and contraction of the jacking cylinder. However, because the construction on the project site is rough, the length deviation of the supporting device required by the foundation pit is larger, the problem that the length requirement cannot be met even if the oil cylinder stretches to the maximum position is sometimes encountered, if the stroke of the oil cylinder is increased, the project cost and the control difficulty are increased, and if a section of steel pipe is added, the construction is repeated, and the workload is larger is solved. Meanwhile, for foundation pit supporting platforms which are slowly developed to be applied at present, axial force servo devices are generally arranged around the supporting platforms to support axial force, so that stroke increase cannot be conveniently realized by adding a section of steel pipe, and adjustment is needed to be realized by adopting a method in a steel sleeve box.
Disclosure of Invention
The utility model aims to provide a long-stroke axial force servo supporting device, which is used for quickly realizing the length adjustment of the supporting device by adding an adjusting washer in a steel sleeve box to be matched with the combined application of a jacking cylinder, and solving the problem of inconvenient length adjustment of the existing supporting device.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a long stroke axial force servo strutting arrangement, includes steel support, steel jacket case, adjusting washer, jacking cylinder and base, base and foundation ditch lateral wall fixed connection, steel jacket case set up in on the base, the one end that keeps away from the foundation ditch lateral wall on the steel jacket case set up the end plate and with steel support fixed connection, adjusting washer and jacking cylinder set up in the steel jacket case, adjusting washer is located between end plate and the jacking cylinder, adjusting washer is the ring form, adjusting washer external diameter is the same with the external diameter of jacking cylinder, sets up the interval on the bottom plate of steel jacket case and sets up the first support piece that is used for supporting adjusting washer, the side of first support piece the end plate is laminated mutually, the top of first support piece have with adjusting washer's external profile assorted arc installation face, through set up the length of the long stroke axial force servo strutting arrangement of the adjusting washer of required thickness between end plate and jacking cylinder.
Preferably, in the long-stroke axial force servo supporting device, an eye bolt is mounted on the upper portion of the adjusting washer, so that the adjusting washer is convenient to mount.
Preferably, in the long-stroke axial force servo supporting device, a pressure sensor is arranged in the jacking cylinder, and the pressure sensor is located between the end plate and the adjusting washer or between the adjusting washer and the jacking cylinder.
Preferably, in the long-stroke axial force servo supporting device, a second supporting member for supporting the jacking cylinder is further arranged on the bottom plate of the steel sleeve box, the second supporting member is arranged at intervals with the first supporting member, and an arc-shaped mounting surface matched with the outer contour of the jacking cylinder is arranged at the top of the second supporting member.
Preferably, in the long-stroke axial force servo supporting device, the base is welded with the side wall of the foundation pit and is used for placing the steel sleeve box.
Preferably, in the long-stroke axial force servo supporting device, the adjusting washer is a ring made of steel plate, the outer diameter of the adjusting washer is the same as that of the jacking cylinder, and the thickness of the ring of the adjusting washer can be set according to the stress condition, and is preferably 30mm.
Preferably, in the long-stroke axial force servo support device, the thickness of the adjusting washer comprises 100mm, 50mm and 20mm, and the length of the long-stroke axial force servo support device is adjusted by combining adjusting washers with different thicknesses.
Preferably, in the long-stroke axial force servo supporting device, the steel sleeve box further comprises two side plates, the lower ends of the two side plates are fixedly connected with the bottom plate respectively, one ends of the two side plates are fixedly connected with the end plate respectively, and the two side plates are located on two sides of the jacking cylinder and used for placing the adjusting gasket and the jacking cylinder.
Preferably, in the long-stroke axial force servo support device, the steel support is a support steel pipe.
Preferably, in the long-stroke axial force servo supporting device, the steel support comprises a steel enclosing purlin and a plurality of corner horizontal diagonal braces arranged at four corners of the steel enclosing purlin, connecting beams are arranged between the adjacent corner horizontal diagonal braces of each corner, the number of the steel sleeve boxes is multiple, the steel sleeve boxes are arranged on the outer side face of the steel enclosing purlin along the circumferential interval of the steel enclosing purlin, and end plates of the steel sleeve boxes are attached to the outer side face of the steel enclosing purlin.
Compared with the prior art, the technical scheme disclosed by the utility model has the following beneficial effects:
the utility model provides a long-stroke axial force servo supporting device which comprises a steel support, a steel sleeve box, an adjusting washer, a jacking cylinder and a base, wherein the base is fixedly connected with the side wall of a foundation pit, the steel sleeve box is arranged on the base, one end, far away from the side wall of the foundation pit, of the steel sleeve box is provided with an end plate and is fixedly connected with the steel support, the adjusting washer and the jacking cylinder are arranged in the steel sleeve box, the adjusting washer is arranged between the end plate and the jacking cylinder, the adjusting washer is in a ring shape, the outer diameter of the adjusting washer is identical to the outer diameter of the jacking cylinder, a first supporting piece for supporting the adjusting washer is arranged on a bottom plate of the steel sleeve box at intervals, the side face of the first supporting piece is attached to the end plate, the top of the first supporting piece is provided with an arc-shaped mounting face matched with the outer contour of the adjusting washer, so that the adjusting washer is conveniently placed, the length of the long-stroke axial force servo supporting device is adjusted by arranging the adjusting washer with required thickness between the end plate and the jacking cylinder, and the long-stroke axial force servo supporting device is simple in structure, and has the advantages of being simple in structure, practical, convenient in adjustment, low in cost and the like.
Drawings
FIG. 1 is a schematic diagram of a long-stroke axial force servo support device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a steel jacket according to an embodiment of the present utility model;
FIG. 3 is a structural view of a long stroke axial force servo support device according to another embodiment of the present utility model.
In the figure: the steel pipe is supported by 1-steel, the steel sleeve box is supported by 2-steel, the end plate is 21-, the bottom plate is 22-, the side plate is 23-, the adjusting washer is 3-, the jacking cylinder is 4-, the base is 5-, the first supporting piece is 6-, the second supporting piece is 7-, the lifting bolt is 8-, the steel purlin is 9-, the horizontal diagonal bracing at the corner is 10-and the connecting beam is 11-.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples. The technical contents and features of the present utility model will be described in detail below with reference to the attached drawings by way of the illustrated embodiments. It should be further noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model. For convenience of description, the "upper" and "lower" described below are consistent with the upper and lower directions of the drawings, but this should not be construed as a limitation of the technical scheme of the present utility model.
Example 1
Referring to fig. 1 to 2, the embodiment discloses a long stroke axial force servo supporting device, which comprises a steel support, a steel sleeve box 2, an adjusting washer 3, a jacking cylinder 4 and a base 5, wherein the base 5 is fixedly connected with the side wall of a foundation pit, the steel sleeve box 2 is arranged on the base 5, one end, far away from the side wall of the foundation pit, of the steel sleeve box 2 is provided with an end plate 21 and is fixedly connected with one end of the steel support, the adjusting washer 3 and the jacking cylinder 4 are arranged in the steel sleeve box 2, the adjusting washer 3 is positioned between the end plate 21 and the jacking cylinder 4, the adjusting washer 3 is in a ring shape, the outer diameter of the adjusting washer 3 is identical to the outer diameter of the jacking cylinder 4, a first supporting piece 6 for supporting the adjusting washer 3 is arranged on a bottom plate 22 of the steel sleeve box 2 at intervals, the side surface of the first supporting piece 6 is attached to the end plate 21, and the top of the first supporting piece 6 is provided with an arc-shaped supporting installation surface 3 required for adjusting the long stroke axial force servo supporting device through setting a required thickness adjusting washer 3 between the end plate 21 and the jacking cylinder 4.
The utility model provides a long-stroke axial force servo supporting device which comprises a steel support, a steel sleeve box 2, an adjusting gasket 3, a jacking cylinder 4 and a base 5, wherein the base 5 is fixedly connected with the side wall of a foundation pit, the steel sleeve box 2 is arranged on the base 5, one end, far away from the side wall of the foundation pit, of the steel sleeve box 2 is provided with an end plate 21 and is fixedly connected with the steel support, the adjusting gasket 3 and the jacking cylinder 4 are arranged in the steel sleeve box 2, the adjusting gasket 3 is positioned between the end plate 21 and the jacking cylinder 4, the adjusting gasket 3 is in a ring shape, the outer diameter of the adjusting gasket 3 is the same as the outer diameter of the jacking cylinder 4, a first supporting piece 6 for supporting the adjusting gasket 3 is arranged on a bottom plate 22 of the steel sleeve box 2 at intervals, the side surface of the first supporting piece 6 is attached to the end plate 21, the top of the first supporting piece 6 is provided with an arc-shaped supporting surface matched with the outer contour of the adjusting gasket 3, so that the adjusting gasket 3 is convenient to place, the length of the adjusting gasket 3 is adjusted by arranging an adjusting gasket 3 between the end plate 21 and the jacking cylinder 4, the adjusting gasket 3 has the advantages of low cost, the adjustment device is convenient to adjust the length of the existing device, and has a practical effect, and the length of the adjusting device is not easy to solve.
Preferably, in the long stroke axial force servo support device, the steel support is a support steel pipe 1.
Preferably, in the long-stroke axial force servo support device, an eye bolt 8 is mounted on the upper portion of the adjusting washer 3, so as to facilitate the installation of the adjusting washer 3.
In the long stroke axial force servo support device, a pressure sensor (not shown) is preferably provided in the jack cylinder 4, and the pressure sensor is preferably located between the end plate 21 and the adjustment washer 3 or between the adjustment washer 3 and the jack cylinder 4.
Preferably, in the long-stroke axial force servo supporting device, a second supporting member 7 for supporting the jacking cylinder 4 is further disposed on the bottom plate 22 of the steel jacket box 2, the second supporting member 7 is spaced from the first supporting member 6, and an arc-shaped mounting surface matched with the outer contour of the jacking cylinder 4 is disposed on the top of the second supporting member 7.
Preferably, in the long-stroke axial force servo supporting device, the base 5 is welded with the side wall of the foundation pit, and is used for placing the steel sleeve 2.
Preferably, in the long-stroke axial force servo support device, the adjusting washer 3 is a ring made of steel plate, the outer diameter of the adjusting washer is the same as that of the jacking cylinder 4, and the thickness of the ring of the adjusting washer can be set according to the stress condition, preferably 30mm.
Preferably, in the long-stroke axial force servo support device, the thickness of the adjusting washer 3 includes 100mm, 50mm and 20mm, and the length of the long-stroke axial force servo support device is adjusted by combining adjusting washers 3 with different thicknesses.
Preferably, in the long-stroke axial force servo supporting device, the steel sleeve 2 further includes two side plates 23, the lower ends of the two side plates 23 are fixedly connected with the bottom plate 22, one ends of the two side plates 23 are fixedly connected with the end plate 21, and the two side plates 23 are located at two sides of the jacking cylinder 4. The steel sleeve box 2 is formed by welding an end plate 21, a bottom plate 22 and two side plates 23 and is used for accommodating the adjusting gasket 3 and the jacking cylinder 4.
Example two
Referring to fig. 3 in combination with fig. 1 and fig. 2, the difference between the present embodiment and the first embodiment is that the steel support includes a steel enclosing purlin 9 and a plurality of corner horizontal diagonal braces 10 disposed at four corners of the steel enclosing purlin 9, a connecting beam 11 is disposed between adjacent corner horizontal diagonal braces 10 of each corner, a plurality of steel jacket boxes 1 are disposed, and the steel jacket boxes 1 are disposed on an outer side surface of the steel enclosing purlin 9 along a circumferential interval of the steel enclosing purlin 9, and an end plate 21 of the steel jacket box 1 is disposed in fit with the outer side surface of the steel enclosing purlin 9. The adjusting washers 3, the jacking cylinders 4, the first supporting members 6 and the second supporting members 7 described in the first embodiment are provided in each steel jacket case 1. The length of the long-stroke axial force servo supporting device is adjusted through the adjusting gasket 3 with required thickness arranged between the end plate 21 and the jacking cylinder 4, the uneven phenomenon of the side wall of the foundation pit is adapted, the problem that the length of the existing supporting device is inconvenient to adjust is solved, and the device has the advantages of being simple in structure, strong in practicality, convenient to adjust, low in cost increase and the like.
In summary, the long-stroke axial force servo supporting device has the advantages of simple structure, strong practicability, convenient adjustment and less cost increase, and the stroke of the supporting device is increased by inserting the adjusting washers with different thickness combinations between the jacking cylinder and the end plate of the steel sleeve box, so that the different requirements of the length adjustment of the supporting device caused by the deviation of foundation pit construction are met.
The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.
Claims (10)
1. The utility model provides a long stroke axial force servo strutting arrangement, its characterized in that includes steel support, steel jacket case, adjusting washer, jacking cylinder and base, base and foundation ditch lateral wall fixed connection, steel jacket case set up in on the base, the one end that keeps away from the foundation ditch lateral wall on the steel jacket case set up the end plate and with steel support fixed connection, adjusting washer and jacking cylinder set up in the steel jacket incasement, adjusting washer is located between end plate and the jacking cylinder, adjusting washer is the ring form, adjusting washer external diameter is the same with the external diameter of jacking cylinder, sets up the interval on the bottom plate of steel jacket case and sets up the first support piece that is used for supporting adjusting washer, the side of first support piece the end plate is laminated mutually, the top of first support piece have with adjusting washer's external profile assorted arc installation face.
2. The long travel axial force servo support device of claim 1 wherein an eye bolt is mounted on an upper portion of the adjustment washer.
3. The long stroke axial force servo support device according to claim 1, wherein a pressure sensor is arranged in the jacking cylinder, and the pressure sensor is positioned between the end plate and the adjusting washer or between the adjusting washer and the jacking cylinder.
4. The long-stroke axial force servo support device according to claim 1, wherein a second support piece for supporting the jacking cylinder is further arranged on the bottom plate of the steel sleeve box, the second support piece is arranged at intervals with the first support piece, and the top of the second support piece is provided with an arc-shaped mounting surface matched with the outer contour of the jacking cylinder.
5. The long travel axial force servo support device of claim 1 wherein the base is welded to the foundation pit side wall.
6. The long stroke axial force servo support device of claim 1 wherein said adjustment washer is a circular ring made of steel plate.
7. The long travel axial force servo support of claim 1 wherein the thickness of the adjustment washer comprises 100mm, 50mm, 20mm.
8. The long-stroke axial force servo supporting device according to claim 1, wherein the steel sleeve box further comprises two side plates, the lower ends of the two side plates are fixedly connected with the bottom plate respectively, one ends of the two side plates are fixedly connected with the end plate respectively, and the two side plates are located on two sides of the jacking cylinder.
9. A long travel axial force servo support device according to any one of claims 1 to 8 wherein the steel support is a support steel tube.
10. The long-stroke axial force servo supporting device according to any one of claims 1 to 8, wherein the steel support comprises a steel enclosing purlin and a plurality of corner horizontal diagonal braces arranged at four corners of the steel enclosing purlin, connecting beams are arranged between the adjacent corner horizontal diagonal braces of each corner, a plurality of steel jacket boxes are arranged on the outer side face of the steel enclosing purlin along the circumferential interval of the steel enclosing purlin, and end plates of the steel jacket boxes are attached to the outer side face of the steel enclosing purlin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358065.8U CN220132918U (en) | 2023-03-02 | 2023-03-02 | Long-stroke axial force servo supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358065.8U CN220132918U (en) | 2023-03-02 | 2023-03-02 | Long-stroke axial force servo supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220132918U true CN220132918U (en) | 2023-12-05 |
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ID=88956563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320358065.8U Active CN220132918U (en) | 2023-03-02 | 2023-03-02 | Long-stroke axial force servo supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220132918U (en) |
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2023
- 2023-03-02 CN CN202320358065.8U patent/CN220132918U/en active Active
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