CN212223895U - Steel shotcrete monitoring compensation arrangement - Google Patents
Steel shotcrete monitoring compensation arrangement Download PDFInfo
- Publication number
- CN212223895U CN212223895U CN202020415574.6U CN202020415574U CN212223895U CN 212223895 U CN212223895 U CN 212223895U CN 202020415574 U CN202020415574 U CN 202020415574U CN 212223895 U CN212223895 U CN 212223895U
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- hydraulic cylinder
- steel support
- support member
- steel
- push rod
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Abstract
The utility model relates to a steel support monitoring and compensating device, which comprises a steel support member and a support base, wherein a first hydraulic cylinder is arranged on the support base, the end of a push rod of the first hydraulic cylinder is connected with an installation seat, a second hydraulic cylinder is arranged on the installation seat, the tail end of a cylinder body of the second hydraulic cylinder is connected with the first steel support member, the head end of the push rod of the second hydraulic cylinder is connected with the second steel support member, the head end of the first steel support member is provided with a pressure sensor, and the head end of the second steel support member is provided with a pressure sensor; the supporting base is fixed on the ground surface in the foundation pit. The pressure sensor is used for detecting the pressure between the connecting part of the steel support member and the enclosure, and when the detected pressure value is smaller than a specified value, the push rod of the second hydraulic cylinder pushes out the push rod to increase the pressure at the connecting part of the steel support member and the enclosure, so that the pressure is always kept within a reasonable safety value, and the pressure sensor is used for monitoring in real time and early warning in time.
Description
Technical Field
The utility model relates to a steel shotcrete technical field, especially a steel shotcrete monitoring compensation arrangement.
Background
The foundation pit engineering is a system engineering integrating geological engineering, geotechnical engineering, structural engineering and geotechnical testing technology. The simplest and most economical method for foundation pit construction is slope excavation, but the method is often limited by site conditions and the surrounding environment, so that a supporting member needs to be arranged to ensure the smooth construction and better protect the surrounding environment. In the subway station foundation pit engineering, a steel support member is a common and most used support member and is usually directly fixed on a building enclosure by pre-applying axial force. But because no anti-falling device is used for fixing the steel support member and the enclosure structure, the steel support member is easy to fall off from the enclosure structure.
In the prior art, part of construction units fix the steel support member and the enclosure structure together by chiseling steel bars on the surface of the enclosure structure and welding the chiseled steel bars serving as hanging bars and main bars of the enclosure structure, but the steel support member and the enclosure structure are extremely difficult to be manufactured due to the limitation of construction operation conditions and construction levels, the enclosure structure is damaged by the measure, and the excavation process is unsafe. When a foundation pit is dug on the ground surface for construction, particularly roadside construction, the foundation pit is positioned on the side of a traffic lane, vehicles pass through the foundation pit and extrude the foundation pit, and then the enclosure of the foundation pit is extruded, so that the deformation of the foundation pit is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a steel shotcrete monitoring compensation arrangement realizes that real-time supervision steel shotcrete receives the pressure of foundation ditch enclosure, in time increases pressure.
The embodiment of the utility model provides an in adopt following scheme to realize: the steel support monitoring and compensating device comprises a steel support member and a support base, wherein a first hydraulic cylinder is arranged on the support base, the tail end of a push rod of the first hydraulic cylinder is connected with an installation base, a second hydraulic cylinder is arranged on the installation base, the tail end of a cylinder body of the second hydraulic cylinder is connected with the first steel support member, the head end of a push rod of the second hydraulic cylinder is connected with the second steel support member, the head end of the first steel support member is provided with a pressure sensor, and the head end of the second steel support member is provided with a pressure sensor; the supporting base is fixed on the ground surface in the foundation pit.
In an embodiment of the present invention, the mounting base includes a U-shaped supporting plate and a mounting frame; the opening end of the supporting plate is upwards arranged in the mounting frame, the left part and the right part of the bottom of the supporting plate are respectively penetrated with a guide shaft, and the middle part of the supporting plate is penetrated with a screw rod; two ends of the guide shaft are respectively fixed on the front frame and the rear frame in the mounting frame; the screw rod is parallel to the guide shaft, and one end of the screw rod is connected to the inner side face of the front frame of the mounting frame; the other end of the screw rod penetrates through the rear frame of the mounting frame and is connected with a knob; the lower surface of the mounting frame is fixed to the top end of the first hydraulic cylinder push rod.
The utility model relates to an embodiment, the cylinder body of second pneumatic cylinder is installed in the backup pad.
In an embodiment of the present invention, the supporting base is fixed on the cart.
The utility model has the advantages that: the utility model provides a steel shotcrete monitoring compensation arrangement, first pneumatic cylinder can play the certain effect that prevents the steel shotcrete component and warp, and pressure sensor is used for detecting the pressure between the coupling part of steel shotcrete component and enclosure, and when the pressure value that detects is less than appointed value, the push rod of second pneumatic cylinder is released to increase the pressure of steel shotcrete component and enclosure junction, make pressure remain throughout in reasonable safe value, real-time supervision improves the safety in construction site.
Drawings
FIG. 1 is a schematic view of a steel support monitoring and compensating device in use.
Fig. 2 is a schematic view of a steel support monitoring and compensating device.
Fig. 3 is a schematic view of a steel support member.
FIG. 4 is a schematic plan view of a steel support monitoring and compensating device.
FIG. 5 is a schematic illustration of a pressure sensor installed at the steel support member and service connection.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 5, the utility model provides a steel support monitoring and compensating device, including steel support member, still include support base 1, be provided with first pneumatic cylinder 2 on the support base 1, the end of the push rod of first pneumatic cylinder 2 is connected with mount pad 3, be provided with second pneumatic cylinder 4 on the mount pad 3, the tail end of the cylinder body of second pneumatic cylinder 4 is connected with first steel support member 5, the head end of the push rod of second pneumatic cylinder 4 is connected with second steel support member 7, the head end of first steel support member 5 sets up pressure sensor 11, the head end of second steel support member 7 sets up pressure sensor 11; the supporting base 1 is fixed on the ground surface in the foundation pit and fixes the first hydraulic cylinder.
Referring to fig. 1 to 4, in an embodiment of the present invention, the mounting base 3 includes a U-shaped supporting plate 33 and a mounting frame 31; the opening end of the supporting plate 33 is upward arranged in the mounting frame 31, the left part and the right part of the bottom of the supporting plate 33 are respectively penetrated with a guide shaft 34, and the middle part of the supporting plate 33 is penetrated with a screw 35; two ends of the guide shaft 34 are respectively fixed on the front frame and the rear frame in the mounting frame 31; the screw 35 is parallel to the guide shaft 34, and one end of the screw 35 is connected to the inner side surface of the front frame of the mounting frame 31; the other end of the screw 35 penetrates through the rear frame of the mounting frame 31 and is connected with a knob 32; the lower surface of the mounting frame 31 is fixed at the top end of the push rod of the first hydraulic cylinder 2, so that the second hydraulic cylinder can be adjusted in the vertical direction and finely adjusted in the front and back direction in the horizontal direction, and the mounting position can be adjusted more accurately.
Referring to fig. 1, 2 and 4, in an embodiment of the present invention, the cylinder body of the second hydraulic cylinder 4 is installed in the supporting plate 33.
Referring to fig. 1, in an embodiment of the present invention, the supporting base 1 is fixed on the cart 9, so as to be conveniently detached and installed.
Referring to fig. 1 to 4, in an embodiment of the present invention, the second steel supporting member 7 is connected to the head end of the push rod of the second hydraulic cylinder 4 through a flange 6; the first steel support member 5 is connected with the tail end of the cylinder body of the second hydraulic cylinder 4 through a flange piece 6.
With reference to fig. 1 and 5, in an embodiment of the present invention, the pressure sensor 11 is electrically connected to the control box 8, the wire is arranged in the supporting member, the control box 8 is connected to the second hydraulic cylinder 4 and the first hydraulic cylinder 2, and the control box 8 can display the pressure change in real time, provide an alarm, and prompt a worker; the device only requires to protect the specific circuit of the structure, the control box 8 and how to realize control are the prior art, and no protection requirement is made.
The utility model discloses the theory of operation below has:
when the hydraulic support device is installed and used, the first hydraulic cylinder is lifted to enable the second hydraulic cylinder and the steel support member to reach the height of the proper installation height, the end face of the first steel support member connected with the tail end of the cylinder body of the second hydraulic cylinder is firstly contacted with the enclosure 10, and a certain gap is reserved between the end face of the second steel support member connected with the head end of the push rod of the second hydraulic cylinder and the enclosure; then pushing out a push rod of a second hydraulic cylinder to enable the head end surface of the second steel support member to be in contact with the enclosure, continuing to push out to enable the monitoring value of the pressure sensor to reach a specified value range, stopping the second hydraulic cylinder from being pushed out forwards continuously, and keeping the state;
the screw of the fixing seat plays a role in finely adjusting the front and rear positions of the supporting plate, so that the second hydraulic cylinder and the first steel supporting member and the second steel supporting member connected with the second hydraulic cylinder are adjusted to the most appropriate installation position; the pressure sensor is used for detecting the pressure of the joint of the steel support member and the enclosure, and when the detected pressure value is smaller than a specified value, the push rod of the second hydraulic cylinder is pushed out, so that the pressure of the joint of the steel support member and the enclosure is increased, the pressure is always kept in a safe numerical range, and the production safety of a construction site is facilitated.
The above description is only for the preferred embodiment of the present invention, and should not be interpreted as limiting the scope of the present invention, which is intended to cover all the equivalent changes and modifications made in accordance with the claims of the present invention.
Claims (4)
1. The utility model provides a steel shotcrete monitoring compensation arrangement, includes steel shotcrete component, its characterized in that: the hydraulic cylinder support device is characterized by further comprising a support base, wherein a first hydraulic cylinder is arranged on the support base, the tail end of a push rod of the first hydraulic cylinder is connected with an installation base, a second hydraulic cylinder is arranged on the installation base, the tail end of a cylinder body of the second hydraulic cylinder is connected with a first steel support member, the head end of a push rod of the second hydraulic cylinder is connected with a second steel support member, the head end of the first steel support member is provided with a pressure sensor, and the head end of the second steel support member is provided with a pressure sensor; the supporting base is fixed on the ground surface in the foundation pit.
2. The steel support monitoring and compensating device of claim 1, wherein: the mounting seat comprises a U-shaped supporting plate and a mounting frame; the opening end of the supporting plate is upwards arranged in the mounting frame, the left part and the right part of the bottom of the supporting plate are respectively penetrated with a guide shaft, and the middle part of the supporting plate is penetrated with a screw rod; two ends of the guide shaft are respectively fixed on the front frame and the rear frame in the mounting frame; the screw rod is parallel to the guide shaft, and one end of the screw rod is connected to the inner side face of the front frame of the mounting frame; the other end of the screw rod penetrates through the rear frame of the mounting frame and is connected with a knob; the lower surface of the mounting frame is fixed to the top end of the first hydraulic cylinder push rod.
3. The steel support monitoring and compensating device of claim 2, wherein: the cylinder body of the second hydraulic cylinder is installed in the supporting plate.
4. The steel support monitoring and compensating device of claim 1, wherein: the supporting base is fixed on the cart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415574.6U CN212223895U (en) | 2020-03-27 | 2020-03-27 | Steel shotcrete monitoring compensation arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415574.6U CN212223895U (en) | 2020-03-27 | 2020-03-27 | Steel shotcrete monitoring compensation arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212223895U true CN212223895U (en) | 2020-12-25 |
Family
ID=73905246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020415574.6U Expired - Fee Related CN212223895U (en) | 2020-03-27 | 2020-03-27 | Steel shotcrete monitoring compensation arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212223895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832250A (en) * | 2020-12-31 | 2021-05-25 | 浙江明思特建筑支护技术有限公司 | Steel support connection structure |
-
2020
- 2020-03-27 CN CN202020415574.6U patent/CN212223895U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832250A (en) * | 2020-12-31 | 2021-05-25 | 浙江明思特建筑支护技术有限公司 | Steel support connection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |