CN216615882U - Steel support loose head with universal joint - Google Patents
Steel support loose head with universal joint Download PDFInfo
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- CN216615882U CN216615882U CN202220010345.5U CN202220010345U CN216615882U CN 216615882 U CN216615882 U CN 216615882U CN 202220010345 U CN202220010345 U CN 202220010345U CN 216615882 U CN216615882 U CN 216615882U
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Abstract
The utility model relates to a steel support flexible joint with a universal joint, which belongs to the technical field of deep foundation pit support and comprises a fixed part, wherein one end of the fixed part is provided with a steel support system connecting plate with a cavity; one end of the movable part is embedded into the fixed part, and the other end of the movable part is provided with a bearing plate; the jack balance support is used for horizontally supporting the axial jack; and one end of the universal joint is fixedly connected with the end, far away from the fixed part, of the movable part, the other end of the universal joint is connected with the steel enclosing purlin, and the universal joint is used for adjusting the acting force applied to the movable part by the jack through a small angle of the universal joint, effectively acting on the steel enclosing purlin and further providing safety support for the foundation pit wall. The utility model flexibly adjusts the pushing direction within a certain small angle range through the universal joint device, can ensure that the flange plate under the containing seat is tightly contacted with the stress surface of the steel purlin, reduces the prestress loss of the steel support, and solves the problem that the support part with complicated structure type can not be horizontally supported.
Description
Technical Field
The utility model relates to the technical field of deep foundation pit supporting, in particular to a steel support movable head with a universal joint.
Background
With the accelerated development of the national urbanization process and the emergence of the red line policy of land, people pay more and more attention to the utilization of underground space, the number of the following open-cut deep foundation pits begins to increase gradually, the excavation depth is deepened gradually, and the structural form is complex and various. Because the open-cut deep foundation pit engineering is located in urban areas, the surrounding environment is complex, buildings and various underground pipelines are dense, and the requirements on the foundation pit supporting effect and deformation control are higher and higher.
The steel pipe support has become the first choice of the open cut deep foundation pit inner support structure due to the advantages of fast installation, light weight, convenient disassembly, reusability and the like. However, due to the complex structure, the situation that the horizontal bracing cannot be carried out cannot be avoided at some bracing parts.
Patent applications for supporting the loose head device by steel have been disclosed more. For example, chinese patent application 202020382519.1 discloses a steel support swivel with a jack stand. The steel support loose joint comprises a movable part and a fixed part, wherein one end of the fixed part is provided with a steel support system connecting plate with a cavity, the part of the movable plate embedded into the fixed part is provided with a stopper iron position, one end of the movable part far away from the fixed part is provided with a bearing plate, two sides of the movable part are respectively provided with an axial jack placing area, and each axial jack placing area is internally provided with a jack balance support; the jack balance support comprises at least two parallel horizontal support plates, and the at least two horizontal support plates are vertically welded below the axial jack placing area.
The above-mentioned prior art is generally applied to the horizontal bracing portion of the supporting structure in the open cut deep foundation pit, and the supporting structure in the open cut deep foundation pit which cannot be horizontally braced cannot be used. It is common to weld non-standard pieces to the steel purlin to meet the horizontal pair of brace pieces. The method not only takes time and labor, but also consumes a large amount of steel and increases the engineering cost expenditure. Meanwhile, the problems of insufficient pre-axial force and potential safety hazard caused by the insufficient pre-axial force due to the fact that the supporting surface cannot be in close contact with the non-standard part exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel support swivel head with a universal joint, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a steel support swivel with universal joint, comprising:
one end of the fixing part is provided with a steel support system connecting plate with a cavity;
the movable part is embedded into the fixed part at one end, the bearing plate is arranged at the other end, a stopper iron position is arranged at the part of the movable part embedded into the fixed part, and axial jack mounting areas for mounting axial jacks are arranged on two sides of the movable part;
The jack balance support comprises at least two parallel horizontal support plates, and the two horizontal support plates are vertically fixed on corresponding positions of an axial jack placing area and are used for horizontally supporting the axial jack;
and one end of the universal joint is fixedly connected with the end, far away from the fixed part, of the movable part, the other end of the universal joint is connected with the steel enclosing purlin, and the universal joint is used for adjusting the acting force applied to the movable part by the jack through a small angle of the universal joint, effectively acting on the steel enclosing purlin and further providing safety support for the foundation pit wall.
As a further aspect of the present invention, the universal joint includes:
one end of the accommodating seat is fixedly connected with the steel purlin;
one end of the adapter rod is movably connected with the accommodating seat, and the other end of the adapter rod is fixedly connected with the movable part;
the connecting piece is used for connecting the accommodating seat and the adapter rod.
As a further aspect of the present invention, the housing base includes:
the containing seat is provided with an upper flange;
a lower flange of the containing seat;
and the shaft center gradually-expanding section is provided with a containing hole at one end close to the upper flange plate of the containing seat.
As a still further technical solution of the present invention, the adapter rod includes:
one end of the adapter rod flange plate is fixedly connected with the movable part;
the spherical adapter is arranged in the accommodating hole, is in close contact with the arc-shaped inner bottom surface of the accommodating hole and is used for freely rotating in the accommodating hole;
and the middle flange plate is sleeved outside the spherical adapter and fixedly connected with the upper flange plate of the containing seat, and is used for jointly matching the upper flange plate of the containing seat to restrain the free moving angle range of the counter-rotating connecting rod.
As a further technical scheme of the utility model, the middle flange plate is provided with an inner aperture which is 5-10cm smaller than the aperture of the accommodating hole, the upper opening of the inner aperture is 0.5cm larger than the lower opening, the upper opening is connected with the lower opening of the middle flange plate to form a horn shape, and the inclination angle of the horn opening is consistent with the free movement angle range of the spherical adapter of the adapter rod in the accommodating hole and is used for restraining the spherical adapter from moving at an angle of 0-15 degrees in the accommodating hole.
As a still further aspect of the present invention, the connector includes:
one end of the bolt is provided with a hexagonal head, and the other end of the bolt is provided with a thread with a certain length;
and the nut is sleeved at one end of the bolt provided with the thread and is in threaded connection with the bolt.
As a further technical scheme of the utility model, a plurality of inclined support plates are arranged between the movable part and the bearing plate, the inclined support plates are perpendicular to the bearing plate, and the axial jack placing region is arranged between the adjacent horizontal support plates at two sides of the movable part.
Compared with the prior art, the utility model has the beneficial effects that:
1. the pushing direction is flexibly adjusted within a certain small angle range through the universal joint device, the flange plate under the containing seat can be ensured to be in close contact with the stress surface of the steel purlin, the steel support prestress loss is reduced, and the problem that the horizontal support cannot be carried out on the support part with a complicated structural form is solved;
2. the disassembly and the assembly are convenient, safe and reliable;
3. the material can be repeatedly used after being removed;
4. the labor time for manufacturing the non-standard part and welding the non-standard part on the steel purlin is reduced, unnecessary consumption of steel is reduced, and the engineering cost expenditure is reduced.
Drawings
FIG. 1 is a schematic structural view of a steel support swivel with universal joint;
FIG. 2 is a front view of a steel support swivel with universal joint;
FIG. 3 is a schematic structural diagram of a universal joint connection in a steel support swivel with a universal joint;
FIG. 4 is a schematic structural view of a steel support swivel with a universal joint when the universal joint is not connected;
FIG. 5 is a schematic structural diagram of a fixed part in the steel support swivel with a universal joint;
fig. 6 is a schematic structural diagram of a connecting piece in the steel support swivel with a universal joint.
In the figure: 1-a movable part, 2-a fixed part, 3-a universal joint, 4-a cavity, 5-a connecting plate, 6-a bearing plate, 7-an axial jack placing area, 8-a jack balance support, 9-an axial jack, 10-a stopper position, 11-an inclined supporting plate, 12-a wedge-shaped steel block, 13-a containing seat, 14-an adapter rod and 15-a middle flange plate, 16-bolt, 17-nut, 18-spherical adapter, 19-neck, 20-containing hole, 21-axle center gradually expanding section, 22-adapter rod flange, 23-containing seat upper flange, 24-containing seat lower flange, 25-steel purlin, 26-upper opening, 27-lower opening, 28-horizontal support plate and 29-baffle.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The embodiment of the utility model is realized by the steel support swivel with universal joint shown in fig. 1 to 6, which comprises:
one end of the fixed part 2 is provided with a steel support system connecting plate 5 with a cavity 4;
one end of the movable part 1 is embedded into the fixed part 2, the other end of the movable part is provided with a bearing plate 6, the part of the movable part 1 embedded into the fixed part 2 is provided with a stopper iron position 10, and two sides of the movable part 1 are provided with axial jack placing areas 7 for mounting axial jacks 9;
The jack balance support 8 comprises at least two parallel horizontal support plates 28, and the two horizontal support plates 28 are vertically fixed at corresponding positions of the axial jack placing area 7 and are used for horizontally supporting the axial jack 9;
and one end of the universal joint 3 is fixedly connected with one end, far away from the fixed part 2, of the movable part 1, the other end of the universal joint is connected with the steel enclosing purlin 25, and the universal joint is used for adjusting the acting force applied to the movable part 1 by the jack through a small angle of the universal joint 3, effectively acting on the steel enclosing purlin 25 and further providing safety support for the foundation pit wall.
In practical application, the steel support loose joint comprises a movable part 1, a fixed part 2 and a universal joint 3, wherein the movable part 1 is a square hollow structure formed by welding metal plates, two moving cavities are arranged in the movable part, the fixed part 2 consists of four square metal support plates, and a gap serving as a stopper 10 is arranged between the two support plates; the connection between the movable part 1 and the fixed part 2 can adopt the connection mode of the prior common steel support movable head, so as to ensure that the length can be adjusted in the using process; a plurality of inclined supporting plates 11 are arranged between the movable part 1 and the bearing plate 6, the inclined supporting plates 11 are perpendicular to the bearing plate 6, the axial jack placing area 7 is arranged between adjacent horizontal supporting plates 28 at two sides of the movable part 1, namely, one end of the movable part 1 is provided with a connecting plate 5 with a steel supporting system, one end of the movable part 1, which is far away from the fixed part 2, is provided with the bearing plate 6, a plurality of inclined supporting plates 11 are arranged between the movable part 1 and the bearing plate 6, an axial jack placing area 7 is formed between the adjacent inclined supporting plates 11 at two sides of the movable part 1, a jack balance support 8 is arranged in each axial jack placing area 7, the jack horizontal supports comprise at least two parallel horizontal supporting plates 28, the end parts of the horizontal supporting plates 28 are provided with baffle plates 29, after the axial jacks 9 are pressurized, wedge-shaped steel blocks 12 are driven into a plug iron position 10 between the end parts of the steel pipe supporting and the steel supporting piston head, to maintain the axial prestress of the steel support; preferably, the two horizontal support plates 28 are vertically welded on the same straight line at the lower part of the axial jack placing region 7, the distance between the two horizontal support plates 28 is larger than 10cm and smaller than the axial length of the axial jack 9, and the horizontal extension length of the two horizontal support plates 28 is larger than the diameter of the axial jack 9; when the device works, the pushing direction is flexibly adjusted within a certain small angle range through the universal joint 3, the flange plate 24 under the containing seat can be ensured to be in close contact with the stress surface of the steel purlin 25, the prestress loss of the steel support is reduced, and the problem that the horizontal support cannot be carried out on the support part with a complicated structure is solved.
As shown in fig. 3 to 6, as a preferred embodiment of the present invention, the universal joint 3 includes:
one end of the accommodating seat 13 is fixedly connected with the steel purlin 25;
one end of the adapter rod 14 is movably connected with the accommodating seat 13, and the other end of the adapter rod is fixedly connected with the movable part 1;
a connecting piece for connecting the accommodating seat 13 and the adapter rod 14;
the housing seat 13 comprises:
an upper flange 23 of the containing seat;
a seat lower flange 24;
one end of the shaft center gradually-expanding section 21 is fixedly connected with the containing seat upper flange plate 23, the other end of the shaft center gradually-expanding section 21 is fixedly connected with the containing seat lower flange plate 24, and a containing hole 20 is formed in one end, close to the containing seat upper flange plate 23, of the shaft center gradually-expanding section 21;
the adapter rod 14 includes:
one end of the adapter rod flange plate 22 is fixedly connected with the movable part 1, and the other end of the adapter rod flange plate is fixedly provided with a spherical adapter 18 matched with the accommodating hole 20;
the middle flange plate 15 is sleeved outside the spherical adapter 18, is fixedly connected with the containing seat upper flange plate 23, and is used for matching with the containing seat upper flange plate 23 to adjust the small angle of the connecting rod flange plate 22;
one end of the adapter rod flange plate 22 is fixedly connected with the movable part 1;
The spherical adapter 18 is arranged in the accommodating hole 20, is tightly contacted with the arc-shaped inner bottom surface of the accommodating hole 20 and is used for freely rotating in the accommodating hole 20;
the middle flange plate 15 is sleeved outside the spherical adapter 18, is fixedly connected with the containing seat upper flange plate 23, and is used for being matched with the containing seat upper flange plate 23 to constrain the free movement angle range of the extension rod 14;
the connector includes:
a bolt 16, one end of which is provided with a hexagon head and the other end of which is provided with a thread with a certain length;
and the nut 17 is sleeved at one end of the bolt 16 with threads and is in threaded connection with the bolt.
In one aspect of the present embodiment, the universal joint 3 is formed by combining the accommodating base 13, the adapter rod 14 and a connecting member for connection and fixation, one end of the adapter rod 14 is an adapter rod flange 22, the other end is a spherical adapter 18, the connecting portion between the adapter rod flange 22 and the spherical adapter 18 is a neck 19, the adapter rod flange 22 and the bearing plate 6 on the movable portion 1 are fixedly connected through the adapter rod flange 22, the spherical adapter 18 is placed in the accommodating hole 20 of the accommodating base 13 and can freely rotate in the accommodating hole 20 of the accommodating base 13; the middle flange 15 is provided with an inner aperture which is 5-10cm smaller than the aperture of the containing hole 20, the upper opening 26 of the inner aperture is 0.5cm larger than the lower opening 27, the upper opening 26 is connected with the lower opening 27 of the middle flange 15 to form a horn shape, the inclination angle of the horn opening is consistent with the free movement angle range of the spherical adapter 18 of the adapter rod 14 in the containing hole 20 and is used for restricting the spherical adapter 18 to perform 0-15 DEG angle movement in the containing hole 20, namely, the containing seat lower flange 24 is combined with the containing seat upper flange 23 through the axle center gradually-expanding section 21, the inner bottom surface of the containing hole 20 is arc-shaped and is consistent with the radian of the spherical adapter 18, and the spherical adapter 18 can freely rotate while being tightly contacted with the inner bottom surface of the containing hole 20 in the containing hole 20; the upper flange plate 23 of the containing seat is fixedly connected with the middle flange plate 15 through a plurality of bolts 16 and nuts 17 in a matching way, and the lower flange plate 24 of the containing seat is fixedly connected with the steel purlin 25 through a plurality of bolts 16 and nuts 17 in a matching way.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a steel shotcrete head of living with universal joint which characterized in that includes:
One end of the fixing part is provided with a steel support system connecting plate with a cavity;
the movable part is embedded into the fixed part at one end, a bearing plate is arranged at the other end, a stopper iron position is arranged at the part of the movable part embedded into the fixed part, and axial jack placing areas for mounting axial jacks are arranged on two sides of the movable part;
the jack balance support comprises at least two parallel horizontal support plates, and the two horizontal support plates are vertically fixed on corresponding positions of the axial jack placing area and are used for horizontally supporting the axial jack;
and one end of the universal joint is fixedly connected with the end, far away from the fixed part, of the movable part, the other end of the universal joint is connected with the steel enclosing purlin, and the universal joint is used for adjusting the acting force applied to the movable part by the jack through a small angle of the universal joint, effectively acting on the steel enclosing purlin and further providing safety support for the foundation pit wall.
2. The steel support swivel with universal joint of claim 1, wherein the universal joint comprises:
one end of the accommodating seat is fixedly connected with the steel purlin;
one end of the adapter rod is movably connected with the containing seat, and the other end of the adapter rod is fixedly connected with the movable part;
the connecting piece is used for connecting the accommodating seat and the adapter rod.
3. The steel support swivel with universal joint of claim 2, wherein the receptacle comprises:
the flange plate is arranged on the containing seat;
a lower flange of the containing seat;
and the shaft center gradually-expanding section is provided with a containing hole at one end close to the upper flange plate of the containing seat.
4. A steel support swivel with universal joint according to claim 3, wherein the adapter rod comprises:
one end of the adapter rod flange plate is fixedly connected with the movable part;
the spherical adapter is arranged in the accommodating hole, is in close contact with the arc-shaped inner bottom surface of the accommodating hole and is used for freely rotating in the accommodating hole;
and the middle flange plate is sleeved outside the spherical adapter and fixedly connected with the upper flange plate of the containing seat, and is used for jointly matching the upper flange plate of the containing seat to restrain the free moving angle range of the counter-rotating connecting rod.
5. The steel support swivel head with universal joint as claimed in claim 4, wherein the middle flange plate is provided with an inner bore diameter 5-10cm smaller than the bore diameter of the accommodating hole, an upper opening of the inner bore diameter is 0.5cm larger than a lower opening, the upper opening is connected with the lower opening of the middle flange plate to form a trumpet shape, and the inclination angle of the trumpet opening is consistent with the free movement angle range of the spherical adapter of the adapter rod in the accommodating hole, so as to restrain the spherical adapter from performing 0-15 ° angle movement in the accommodating hole.
6. The gimbal-bearing steel support swivel according to claim 2, wherein the connection comprises:
one end of the bolt is provided with a hexagon head, and the other end of the bolt is provided with a thread with a certain length;
and the nut is sleeved at one end of the bolt provided with the thread and is in threaded connection with the bolt.
7. The universal joint-equipped steel support swivel head as claimed in claim 1, wherein a plurality of inclined support plates are provided between the movable portion and the bearing plate, the inclined support plates are perpendicular to the bearing plate, and the axial jack placement region is provided between adjacent horizontal support plates on both sides of the movable portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220010345.5U CN216615882U (en) | 2022-01-05 | 2022-01-05 | Steel support loose head with universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220010345.5U CN216615882U (en) | 2022-01-05 | 2022-01-05 | Steel support loose head with universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216615882U true CN216615882U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220010345.5U Active CN216615882U (en) | 2022-01-05 | 2022-01-05 | Steel support loose head with universal joint |
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| Country | Link |
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| CN (1) | CN216615882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116446420A (en) * | 2023-06-13 | 2023-07-18 | 北京城建集团有限责任公司 | Steel support movable end, foundation pit steel support structure and foundation pit intelligent measurement and control system |
| RU220074U1 (en) * | 2023-06-01 | 2023-08-23 | Общество Ограниченной Ответственностью Конструкторское Бюро "Норлаб" | FASTENING ASSEMBLY OF THE ROOF OF THE STOP PAVILION |
-
2022
- 2022-01-05 CN CN202220010345.5U patent/CN216615882U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU220074U1 (en) * | 2023-06-01 | 2023-08-23 | Общество Ограниченной Ответственностью Конструкторское Бюро "Норлаб" | FASTENING ASSEMBLY OF THE ROOF OF THE STOP PAVILION |
| CN116446420A (en) * | 2023-06-13 | 2023-07-18 | 北京城建集团有限责任公司 | Steel support movable end, foundation pit steel support structure and foundation pit intelligent measurement and control system |
| CN116446420B (en) * | 2023-06-13 | 2023-09-26 | 北京城建集团有限责任公司 | Steel support movable end, foundation pit steel support structure and foundation pit intelligent measurement and control system |
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