CN215562861U - Assembly type steel support axial force monitoring assembly - Google Patents
Assembly type steel support axial force monitoring assembly Download PDFInfo
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- CN215562861U CN215562861U CN202121675315.8U CN202121675315U CN215562861U CN 215562861 U CN215562861 U CN 215562861U CN 202121675315 U CN202121675315 U CN 202121675315U CN 215562861 U CN215562861 U CN 215562861U
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- steel support
- central sleeve
- sleeve
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- axial force
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Abstract
The utility model discloses an assembly type steel support axial force monitoring assembly which comprises a fixing part, a central sleeve and a force monitoring part, wherein the fixing part is fixed at the end part of a steel support and is provided with the central sleeve which extends outwards along the axial direction of the steel support; a monitoring element disposed within the central sleeve; the movable part is provided with a jacking pipe which is matched with the inside of the central sleeve and is sealed at the end part, and the jacking pipe is inserted into the central sleeve. The monitoring element is arranged in a central sleeve of the fixed part, and a jacking pipe of the movable part is inserted into the central sleeve; the fixed part compresses the movable part under the action of the steel support axial force, and the jacking pipe compresses the monitoring element under the action of a reaction force, so that the real-time monitoring of the steel support axial force is realized, the monitoring element is arranged inside and stably installed, the monitoring element is not influenced by the external environment, and the monitoring data is accurate; the whole structure is convenient to disassemble and assemble and can be repeatedly used; the steel support and the steel surrounding purlin are in matched contact through the central sleeve and the jacking pipe, and the steel support is not easy to fall off.
Description
Technical Field
The utility model relates to the field of steel support monitoring, in particular to an assembly type steel support axial force monitoring assembly.
Background
With the rapid development of the city at present, the development of underground space and urban rail transit show a rapid development trend. The construction method is limited by the surrounding environment in the construction process of the urban deep foundation pit, and the support form of fender piles/walls and internal steel supports is widely applied in the construction process.
At present, in the construction process of a steel support field, the problems of detailed methods and irregular installation are not given in a general design drawing. Therefore, real-time monitoring of the axial force of the steel support is often a controlling factor of the safety construction of the foundation pit.
For the axial force monitoring of the steel support, the common practice in the current engineering practice is to directly arrange the pressure box between the steel support and the steel purlin and tightly push the pressure box, and through years of engineering practice demonstration, the following problems exist in the method:
1. the pressure box is not placed in a standard way, and the axial force monitoring data is inaccurate;
2. the steel support is only contacted with the steel enclosing purlin through the pressure box, so that the steel support is easy to fall off;
3. the excavation and the back construction time of the whole foundation pit are long, the influence factors are more, and the pressure box is damaged.
Therefore, it is necessary to develop a new method for monitoring the axial force of the steel support.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an assembly type steel support axial force monitoring assembly to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
an assembled steel support axial force monitoring assembly comprising:
the fixing part is fixed at the end part of the steel support and is provided with a central sleeve extending outwards along the axial direction of the steel support;
a monitoring element disposed within the central sleeve;
the movable part is provided with a jacking pipe which is matched with the central sleeve and has a sealed end part, and the jacking pipe is inserted into the central sleeve;
the fixed part presses the movable part on the steel purlin under the action of the steel supporting axial force, the jacking pipe presses the monitoring element, the monitoring element is used for recording pressure in real time, and a first threading hole for a signal wire of the monitoring element to penetrate out is formed in the central sleeve.
By adopting the scheme, the axial force is monitored in a mode of matching the fixed part and the movable part, the fixed part is fixed with the end part of the steel support, the monitoring element is arranged in the central sleeve of the fixed part, and the jacking pipe of the movable part is inserted into the central sleeve; the fixed part compresses the movable part under the action of the steel support axial force, and the jacking pipe compresses the monitoring element under the action of a reaction force, so that the real-time monitoring of the steel support axial force is realized, the monitoring element is arranged inside and stably installed, the monitoring element is not influenced by the external environment, and the monitoring data is accurate; the whole structure is convenient to disassemble and assemble and can be repeatedly used; the steel support and the steel surrounding purlin are in matched contact through the central sleeve and the jacking pipe, and the steel support is not easy to fall off.
On the basis of the technical scheme, the utility model can be further improved as follows:
furthermore, the fixed part comprises a flange plate, the flange plate is fixed with the end part of the steel support through a circle of screw holes in an outer ring of the surface, and the central sleeve is fixed at the central position of one side surface of the flange plate, which is far away from the steel support.
Further, the movable part comprises a support plate, and the jacking pipe is arranged at the central position of one side surface of the support plate facing the fixed part.
Furthermore, an outer sleeve is further arranged on one side, away from the steel support, of the flange plate, the outer sleeve is sleeved outside the central sleeve, the outer sleeve and the central sleeve are concentrically arranged, the length of the outer sleeve is the same as that of the central sleeve, and a second threading hole for the signal line of the monitoring element to penetrate out is formed in the outer sleeve.
By adopting the scheme, the outer sleeve is arranged to further limit the maximum displacement of the movable part, so that the equipment is prevented from being damaged by overlarge impact force of the supporting plate and the jacking pipe.
Furthermore, a plurality of reinforcing ribs are uniformly arranged between the outer sleeve and the central sleeve at intervals.
Through adopting above-mentioned scheme, reinforced structure intensity.
Furthermore, the reinforcing ribs divide a gap between the outer sleeve and the central sleeve into a plurality of hollow areas, a plurality of inserting pieces which are in one-to-one correspondence with the hollow areas are arranged on one side face, facing the fixing portion, of the supporting plate, the inserting pieces are matched with the hollow areas in size, and the inserting pieces are inserted into the hollow areas to limit the jacking pipes.
By adopting the scheme, when the jacking pipe is inserted into the central sleeve, the insert is inserted into the hollow area, and the insert is matched with the inner wall of the outer sleeve, the outer wall of the central sleeve and the side wall of the reinforcing rib to limit the moving direction of the jacking pipe, so that the monitoring accuracy is ensured.
Furthermore, the insert is of an internal hollow fan-shaped structure formed by matching an external arc-shaped plate at the periphery, an internal arc-shaped plate at the internal periphery and side plates at two sides, the external arc-shaped plate is matched with the inner annular surface of the outer sleeve, the internal arc-shaped plate is matched with the outer annular surface of the central sleeve, and the side plates are matched with the side surfaces of the reinforcing ribs.
Further, the monitoring element is a pressure cell.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model adopts the form that the fixed part is matched with the movable part to carry out axial force monitoring, the fixed part is fixed with the end part of the steel support, the monitoring element is arranged in a central sleeve of the fixed part, and a jacking pipe of the movable part is inserted into the central sleeve; the fixed part compresses the movable part under the action of the steel support axial force, and the jacking pipe compresses the monitoring element under the action of a reaction force, so that the real-time monitoring of the steel support axial force is realized, the monitoring element is arranged inside and stably installed, the monitoring element is not influenced by the external environment, and the monitoring data is accurate;
2. the axial force monitoring device adopts a form that the fixed part is matched with the movable part to monitor the axial force, the fixed part is fixed with the end part of the steel support, the movable part is tightly pressed on the steel purlin by the fixed part to realize the axial force monitoring, and the whole structure is convenient to disassemble and assemble and can be repeatedly utilized;
3. according to the utility model, the steel support and the steel purlin are contacted with each other through the matched central sleeve and jacking pipe, the matched insert and the hollow area, and the steel support is not easy to fall off due to the sleeve type limiting structure;
4. the surface of the flange plate of the fixed part of the utility model forms a plurality of hollow areas through the matching of the outer sleeve, the central sleeve and the reinforcing ribs, the surface of the support plate of the movable part is provided with an insert matched with the hollow areas, and the insert and the hollow areas are matched with the moving direction of the limit jacking pipe, thereby effectively ensuring the monitoring accuracy.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a fixing portion according to an embodiment of the present invention.
Fig. 3 is a schematic sectional structure view of the movable portion of the embodiment of the present invention.
Shown in the figure:
1. a central sleeve; 101. a first threading hole;
2. jacking the pipe;
3. supporting steel;
4. steel purlin;
5. a flange plate; 501. a screw hole;
6. a support plate;
7. an outer sleeve; 701. a second threading hole;
8. reinforcing ribs;
9. an insert; 901. an outer arc plate; 902. an inner arc-shaped plate; 903. a side plate;
10. a hollow region;
11. a pressure cell.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.
As shown in fig. 1 to 3, the present embodiment provides an assembled steel support axial force monitoring assembly, which includes a fixed portion, a monitoring element and a movable portion.
The fixing part comprises a flange plate 5, the thickness of the flange plate 5 is 25mm, and a circle of 20 screw holes 501 with the diameter of 26mm are annularly arranged outside the surface of the flange plate. The flange 5 is fixed with the end part of the steel support 3 through a screw hole 501.
The central sleeve 1 is arranged at the center of one side face, far away from the steel support 3, of the flange 5, and the central sleeve 1 extends outwards along the axial direction of the steel support 3. The monitoring element is a pressure cell 11, arranged within the central sleeve 1.
In particular, the central sleeve 1 has a length of 475mm, a wall thickness of 16mm and an internal diameter of 20mm plus the diameter of the pressure cell 11. The central sleeve 1 is provided with a first threading hole 101 with the size of 20X10mm for the signal wire of the pressure box 11 to pass through.
The movable part comprises a supporting plate 6, and a jacking pipe 2 matched with the central sleeve 1 is arranged at the central position of one side surface of the supporting plate 6 facing the fixed part. The jacking pipe 2 has the length of 455mm, the outer diameter of the jacking pipe is the same as the diameter of the pressure box 11, and the end part of the jacking pipe is hermetically inserted into the central sleeve 1.
The fixed part compresses tightly the movable part on steel purlin 4 under 3 axle power effects of steel shotcrete, and jacking pipe 2 compresses tightly monitoring element, and monitoring element is used for real-time recording pressure, offers the first through wires hole 101 that supplies monitoring element signal line to wear out on the sleeve pipe 1 of center.
Specifically, in this embodiment, an outer sleeve 7 is further disposed on a side of the flange 5 away from the steel support 3, the outer sleeve 7 is sleeved outside the central sleeve 1, the outer sleeve 7 and the central sleeve 1 are concentrically disposed, the length of the outer sleeve 7 is the same as that of the central sleeve 1, and a second threading hole 701 with a size of 20X10mm through which a signal line of the pressure cell 11 passes is disposed on the outer sleeve 7.
The outer sleeve 7 is arranged for further limiting the maximum displacement of the movable part, and the equipment is prevented from being damaged by overlarge impact force of the supporting plate 6 and the jacking pipe 2.
Four reinforcing ribs 8 are uniformly arranged between the outer sleeve 7 and the central sleeve 1 at intervals to enhance the structural strength. The thickness of the reinforcing rib 8 plate is 16 mm.
The four reinforcing ribs 8 divide a gap between the outer sleeve 7 and the central sleeve 1 into four hollow areas 10, four insertion pieces 9 which are in one-to-one correspondence with the four hollow areas 10 are arranged on one side face, facing the fixing portion, of the supporting plate 6, the insertion pieces 9 are arranged in a size matched with the hollow areas 10, and the insertion pieces 9 are inserted into the hollow areas 10 to limit the jacking pipes 2.
When the jacking pipe 2 is inserted into the central sleeve 1, the insert 9 is inserted into the hollow area 10, and the insert 9 is matched with the inner wall of the outer sleeve 7, the outer wall of the central sleeve 1 and the side wall of the reinforcing rib 8 to limit the moving direction of the jacking pipe 2, so that the monitoring accuracy is ensured.
Specifically, the insert 9 is a hollow fan-shaped structure formed by matching an outer arc-shaped plate 901 on the periphery, an inner arc-shaped plate 902 on the inner periphery and side plates 903 on two sides, the outer arc-shaped plate 901 is matched with the inner annular surface of the outer sleeve 7, the inner arc-shaped plate 902 is matched with the outer annular surface of the central sleeve 1, and the side plates 903 are matched with the side surfaces of the reinforcing ribs 8.
In the embodiment, the axial force is monitored in a mode of matching a fixed part and a movable part, the fixed part is fixed with the end part of a steel support 3, a monitoring element is arranged in a central sleeve 1 of the fixed part, and a jacking pipe 2 of the movable part is inserted into the central sleeve 1; the fixed part compresses the movable part under the action of the axial force of the steel support 3, and the jacking pipe 2 compresses the monitoring element under the action of the reaction force, so that the real-time monitoring of the axial force of the steel support 3 is realized, the monitoring element is arranged in the monitoring element and is stably installed, the monitoring element is not influenced by the external environment, and the monitoring data is accurate;
in the embodiment, the fixed part is matched with the movable part to monitor the axial force, the fixed part is fixed with the end part of the steel support 3, the movable part is tightly pressed on the steel purlin 4 by the fixed part to monitor the axial force, and the whole structure is convenient to detach and mount and can be repeatedly utilized;
in the embodiment, the steel support 3 is contacted with the steel purlin 4 through the matched central sleeve 1, the jacking pipe 2, the matched insert 9 and the hollow area 10, and the steel support 3 is not easy to fall off due to the sleeve type limiting structure;
the surface of the flange 5 of the fixing part of the embodiment is matched with a plurality of hollow areas 10 through an outer sleeve 7, a central sleeve and reinforcing ribs 8 to form the hollow areas 10, the surface of the support plate 6 of the movable part is provided with an insert 9 matched with the hollow areas 10, and the insert 9 and the hollow areas 10 are matched with the moving direction of the limit jacking pipe 2, so that the monitoring accuracy is effectively ensured.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. An assembled steel shotcrete axle power monitoring subassembly which characterized in that includes:
the fixing part is fixed at the end part of the steel support and is provided with a central sleeve extending outwards along the axial direction of the steel support;
a monitoring element disposed within the central sleeve;
the movable part is provided with a jacking pipe which is matched with the interior of the central sleeve and has a sealed end, and the jacking pipe is inserted into the central sleeve;
the fixed part presses the movable part on the steel purlin under the action of the steel supporting axial force, the jacking pipe presses the monitoring element, the monitoring element is used for recording pressure in real time, and a first threading hole for a signal wire of the monitoring element to penetrate out is formed in the central sleeve.
2. The fabricated steel support axial force monitoring assembly of claim 1, wherein the fixing portion comprises a flange plate, the flange plate is fixed with the end portion of the steel support through a circle of screw holes in an outer ring of the surface, and the center sleeve is fixed at a central position on one side of the flange plate away from the steel support.
3. The fabricated steel support shaft force monitoring assembly according to claim 2, wherein the movable portion includes a support plate, and the push-in pipe is installed at a central position of a side of the support plate facing the fixed portion.
4. The assembly type steel support axial force monitoring assembly according to claim 3, wherein an outer sleeve is further disposed on a side of the flange plate away from the steel support, the outer sleeve is sleeved outside the central sleeve, the outer sleeve and the central sleeve are concentrically disposed, the length of the outer sleeve is the same as that of the central sleeve, and a second threading hole for a signal wire of the monitoring element to pass through is formed in the outer sleeve.
5. The fabricated steel support shaft force monitoring assembly according to claim 4, wherein a plurality of reinforcing ribs are uniformly spaced between the outer sleeve and the central sleeve.
6. The assembly type steel support shaft force monitoring assembly according to claim 5, wherein the plurality of reinforcing ribs divide the gap between the outer sleeve and the central sleeve into a plurality of hollow areas, the support plate is provided with a plurality of insertion pieces corresponding to the plurality of hollow areas one by one on one side surface facing the fixing portion, the insertion pieces are matched with the hollow areas in size, and the insertion pieces are inserted into the hollow areas to limit the jacking pipe.
7. The fabricated steel support axial force monitoring assembly of claim 6, wherein the insert is an inner hollow fan-shaped structure formed by matching an outer arc-shaped plate on the periphery, an inner arc-shaped plate on the inner periphery and side plates on two sides, the outer arc-shaped plate is matched with the inner annular surface of the outer sleeve, the inner arc-shaped plate is matched with the outer annular surface of the central sleeve, and the side plates are matched with the side surfaces of the reinforcing ribs.
8. The fabricated steel support shaft force monitoring assembly according to any one of claims 1 to 7, wherein the monitoring element is a pressure cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121675315.8U CN215562861U (en) | 2021-07-22 | 2021-07-22 | Assembly type steel support axial force monitoring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121675315.8U CN215562861U (en) | 2021-07-22 | 2021-07-22 | Assembly type steel support axial force monitoring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215562861U true CN215562861U (en) | 2022-01-18 |
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ID=79827571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121675315.8U Active CN215562861U (en) | 2021-07-22 | 2021-07-22 | Assembly type steel support axial force monitoring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215562861U (en) |
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2021
- 2021-07-22 CN CN202121675315.8U patent/CN215562861U/en active Active
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