CN216077144U - Concrete filled steel tube support and anchor rod supporting device in coordination - Google Patents
Concrete filled steel tube support and anchor rod supporting device in coordination Download PDFInfo
- Publication number
- CN216077144U CN216077144U CN202122828477.7U CN202122828477U CN216077144U CN 216077144 U CN216077144 U CN 216077144U CN 202122828477 U CN202122828477 U CN 202122828477U CN 216077144 U CN216077144 U CN 216077144U
- Authority
- CN
- China
- Prior art keywords
- steel tube
- filled steel
- anchor rod
- concrete
- equal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention belongs to the technical field of roadway reinforcement and support, and a concrete filled steel tube support with higher bearing capacity is commonly used for supporting a deep roadway, but the support is often disabled due to poor synergistic effect with an anchor rod. The invention designs a cooperative supporting device of a concrete filled steel tube bracket and an anchor rod, which comprises the following steps: after a roadway is excavated, firstly installing a concrete-filled steel tube support, then connecting adjacent supports by using an equal-force warping device, and butting the equal-force warping device through pins, wherein the equal-force warping device is exactly level to the wall of the roadway; and the hollow grouting anchor rod is arranged into the surrounding rock of the roadway through a threaded hole preset in the equal-force rocker device, and finally the tray and the nut are used for fixing, so that the concrete-filled steel tube support, the equal-force rocker device and the hollow grouting anchor rod are fixed into a whole, and the synergistic supporting effect of the concrete-filled steel tube support and the anchor rod is fully exerted. The invention has the advantages of good supporting performance, safety, reliability, long service life and the like, and can realize effective supporting of deep roadways.
Description
Technical Field
The invention relates to a cooperative support device of a concrete filled steel tube support and an anchor rod, and belongs to the technical field of roadway reinforcement support.
Background
China is rich in coal resource reserves, and the coal yield stably lives in the first of all the countries in the world for many years. In recent years, the mining depth of coal has been increasing with the increase in the demand for energy and the increasing mining intensity. However, as the depth of mining increases, various problems become increasingly evident, with effective support of the roadway being one of the most significant problems. In terms of the current roadway support method, the method mainly comprises anchor net support, anchor spray support, anchor net spray support, anchor rope support, anchor net cable support, U-shaped steel support, steel pipe concrete support and the like. In the supports, the concrete-filled steel tube support is a common support form and has the characteristics of high bearing capacity, good ductility and convenience in installation.
Along with the increase of the coal mine tunnel burial depth, the geological conditions become complicated day by day, the steel pipe concrete support bears the surrounding rock pressure increase, the support strength is not enough, and the damage often appears. The expected supporting effect cannot be achieved by simply using the steel pipe concrete support to support the surrounding rock, so that not only is the resource waste caused, but also great potential safety hazards exist in coal mine production.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a supporting device combining a concrete filled steel tube support and an anchor rod. The invention is realized by the following technical scheme:
treat that the steel pipe concrete support keeps motionless, use waiting power rocker device at tunnel two sides and roof department and will many steel pipe concrete leg joints to with cavity slip casting stock through waiting power rocker device on the predetermined screw hole beat and set up and get into tunnel country rock, then use backing plate and nut to fix, finally make steel pipe concrete support and stock connect for a support wholly.
The equal-force wane device is formed by connecting a straight-line segment tightly attached to the wall of a roadway with an arc-shaped groove surrounding a concrete filled steel tube support, the length of the straight-line segment is 1/2 of the distance between the concrete filled steel tube supports, the height of the straight-line segment is 0.2-0.3 m, the overall thickness of the straight-line segment is 0.02-0.05 m, and the concrete filled steel tube support can be just placed in the arc-shaped groove.
The two equal-force rocker devices are butted in the straight line section through pins, and the equal-force rocker devices are just level with the wall of the roadway, so that the concrete-filled steel tube support is in better contact with the wall of the roadway.
Threaded holes are reserved in straight line sections of two sides of the arc-shaped groove of the equal-force rocker device, the diameter of each threaded hole is 0.018-0.024 m, and the hollow grouting anchor rod can be arranged through the holes and enter surrounding rocks of a roadway.
The anchor rod uses the cavity slip casting anchor rod can effectively improve the bulk rigidity and the intensity of component.
According to the technical scheme, after the roadway is excavated, firstly, after the concrete-filled steel tube support is fixed on two sides and a top plate of the roadway, a plurality of concrete-filled steel tube supports are connected by using an equal-force warping device, a hollow grouting anchor rod is arranged into surrounding rocks of the roadway through a threaded hole preset in the equal-force warping device, and then, a tray and a nut are used for fixing, so that the concrete-filled steel tube support and the anchor rod are finally connected into a supporting whole. In addition, the anchor rod and the concrete-filled steel tube support are combined and fixed into a whole by using the equal-force wane device, so that the concrete-filled steel tube support, the anchor cable and the surrounding rock can be mutually coupled when the whole supporting system is subjected to external force, and the supporting performance and the stability of the whole supporting system are greatly improved. In conclusion, the invention has the advantages of safety, reliability, good supporting performance and long service life.
Drawings
FIG. 1 is an overall schematic view of a concrete filled steel tube support and anchor rod cooperative supporting device;
FIG. 2 is a schematic structural view of an equal-force rocker and a concrete filled steel tube support;
FIG. 3 is a three-dimensional schematic view of an iso-rocker;
wherein: 1-a steel tube concrete bracket; 2, sleeving a pipe; 3, hollow grouting anchor rod; 4-equal force seesaw device; 5, a nut; 6, a backing plate; 7, stopping a slurry plug; 8-bolt hole; 9-pin
Detailed Description
The invention provides a device for supporting a concrete-filled steel tube support and an anchor rod in a cooperative manner, and in order to make the purpose, the technical scheme and the effect of the invention clearer and clearer, the embodiment of the invention is further described in detail by using a schematic diagram. It is to be understood that the illustrations of the invention described herein are for the purpose of illustration only and are not intended to limit the invention. The specific implementation mode is as follows:
a supporting device for a steel pipe concrete support and an anchor rod in cooperation is divided into the following steps: after installing concrete filled steel tube support (1), treat concrete filled steel tube support (1) and keep motionless, use waiting power rocker device (4) to connect many frames of concrete filled steel tube support (1) in tunnel two sides and roof department, and establish cavity slip casting stock (3) through waiting power rocker device on predetermined screw hole (8) and get into tunnel country rock, then use backing plate (6) and nut (5) to fix, finally make concrete filled steel tube support (1) and stock (3) connect to be a support whole. The overall supporting schematic diagram of the invention is shown in figure 1.
The equal-force wane device (4) is formed by connecting a straight-line segment tightly attached to the wall of the roadway with an arc-shaped groove surrounding the concrete-filled steel tube support (1), the length of the straight-line segment is 1/2 of the distance between the concrete-filled steel tube supports (1), the height of the straight-line segment is 0.2-0.3 m, the overall thickness of the straight-line segment is 0.02-0.05 m, and the concrete-filled steel tube support (1) can be placed in the arc-shaped groove. A schematic of which is shown in figure 2.
The two equal-force wane devices (4) are butted in the straight line section through pins (9) and are leveled on the wall of the tunnel.
Equal-force wane device (4) sets up a plurality of bolt holes (8) in arc wall both sides, can make cavity slip casting stock (3) beat through this hole and establish and get into tunnel country rock, and its schematic diagram is seen in fig. 3.
And after the hollow grouting anchor rod (3) is installed, grouting liquid is injected into the hollow grouting anchor rod.
The foregoing is only a preferred embodiment. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention disclosed herein are intended to be included in the scope of the present invention.
Claims (4)
1. The utility model provides a concrete filled steel tube support and anchor rod supporting device in coordination which characterized in that: the concrete-filled steel tube support is characterized in that equal-force rocker devices are used at two sides of a roadway and a top plate to connect a plurality of concrete-filled steel tube supports, a hollow grouting anchor rod is arranged into roadway surrounding rock through a preset threaded hole in the equal-force rocker devices, then a base plate and a nut are used for fixing, and finally the concrete-filled steel tube supports and the anchor rod are connected into a supporting whole.
2. The support device in cooperation with the anchor rod for the concrete filled steel tube support according to claim 1, is characterized in that: the equal-force wane device is formed by connecting a straight-line segment tightly attached to the wall of a roadway and an arc-shaped groove surrounding a concrete filled steel tube support, the length of the straight-line segment is 1/2 of the distance between the concrete filled steel tube supports, the height of the straight-line segment is 0.2-0.3 m, the overall thickness of the straight-line segment is 0.02-0.05 m, and the arc-shaped groove just can be used for placing the concrete filled steel tube support.
3. The support device in cooperation with the anchor rod for the concrete filled steel tube support according to claim 1, is characterized in that: the two equal-force rocker devices are butted through pins.
4. The support device in cooperation with the anchor rod for the concrete filled steel tube support according to claim 1, is characterized in that: threaded holes are reserved in straight line sections of two sides of the arc-shaped groove of the equal-force rocker device, the diameter of each threaded hole is 0.018-0.024 m, and the hollow grouting anchor rod can be arranged through the holes and enter surrounding rocks of a roadway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122828477.7U CN216077144U (en) | 2021-11-18 | 2021-11-18 | Concrete filled steel tube support and anchor rod supporting device in coordination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122828477.7U CN216077144U (en) | 2021-11-18 | 2021-11-18 | Concrete filled steel tube support and anchor rod supporting device in coordination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216077144U true CN216077144U (en) | 2022-03-18 |
Family
ID=80661700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122828477.7U Active CN216077144U (en) | 2021-11-18 | 2021-11-18 | Concrete filled steel tube support and anchor rod supporting device in coordination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216077144U (en) |
-
2021
- 2021-11-18 CN CN202122828477.7U patent/CN216077144U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103233751B (en) | Double-layer anchoring and balancing arch supporting system for coal roadway with extremely-weak top plates | |
| US20210040703A1 (en) | Construction method for foundation pit support utilizing prefabricated large-diameter pipe pile | |
| CN201705365U (en) | Duct piece structure of shield tunnel through mouth | |
| CN110145329B (en) | Deep soft rock circular roadway supporting method | |
| CN105065009B (en) | A kind of method extending shield-tunneling construction subway station | |
| CN105240024A (en) | Parallel shield tunneling method for extended construction of subway station | |
| CN201232194Y (en) | Anti-deformation power transmission tower | |
| CN103669432A (en) | Jacking device for deviation rectification of steel pylon in mining area of coal mine | |
| CN103669431A (en) | Device for adjusting inclined steel pylon in mining area of coal mine | |
| CN204591306U (en) | A kind of combined steel pipe concrete bow member for supporting | |
| CN103147772B (en) | Method for supporting steel strip connecting bridge of arch-shaped soft rock roadway with large section | |
| CN216077144U (en) | Concrete filled steel tube support and anchor rod supporting device in coordination | |
| CN209493940U (en) | A kind of roofbolt construction arrangement of architectural engineering | |
| CN204921000U (en) | Top of roadway board supporting device | |
| CN113882876A (en) | Deep steel pipe concrete support and anchor rod cooperative supporting method | |
| CN204572029U (en) | A kind of roadway floor reinforcing anchor rope component | |
| CN210370726U (en) | Underground coal mine support device | |
| CN211080252U (en) | Prefabricated formula deep basal pit supporting construction | |
| CN203685241U (en) | Anti-tearing anchor cable | |
| CN204570707U (en) | For the steel structure support assembly of pattern foundation pit supporting structure | |
| CN208831031U (en) | A kind of building municipal works anchor pole | |
| CN203499710U (en) | Electro-osmosis method in-situ modification roadway anchoring structure of underground swelling soft rock | |
| CN202047825U (en) | Mining steel pipe support filled with concrete | |
| CN203257439U (en) | Anchor rope total-length anchoring device used for coal mine soft-rock roadway | |
| CN106907170B (en) | Roadway bottom plate supporting structure and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |