A new type of air shaft explosion-proof cover foundation structure
By installing the explosion-proof cover foundation wellbore and wellbore foundation outside the existing gas pipeline well to form a reinforced concrete structure, the problem of lack of suitable structure during mine renovation is solved, and the stability and strength of the explosion-proof cover foundation of the air shaft is improved, and the construction cycle and construction period are shortened.
Patent Information
- Application Number
- CN202421649715.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-12
AI Technical Summary
During the renovation of existing mines, the existing gas pipeline wells need to be transformed into air wells, but there is a lack of suitable structures to achieve this.
A new type of explosion-proof cover infrastructure for air wells is designed, including gas pipeline wells, wellbore foundations and explosion-proof cover foundation wellbores. By installing explosion-proof cover foundation wellbores outside the gas pipeline wells, and setting up steel frames and sealing grooves to form a stable overall structure.
The structure is simple and easy to use, which can greatly shorten the construction cycle, increase the stability and strength of the explosion-proof cover foundation of the air shaft, reduce the impact of mine upgrades and transformation on the mine, shorten the construction period, and create favorable conditions for the mine to be put into production and acceptance.
Smart Images
Figure CN222731542U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a novel air shaft explosion-proof cover foundation structure, belonging to the technical field of coal mine construction. Background Art
[0002] The basic task of the mine ventilation system is to supply enough fresh air underground to meet the oxygen needs of personnel, dilute the toxic and harmful gases and dust underground, ensure safe production and adjust the underground climate, and create a good working environment. The mine ventilation system is composed of two parts: the ventilator and the ventilation network. After the wind flows into the mine from the air inlet, it passes through various wind-using places underground, and then enters the return air shaft, and is discharged from the mine through the return air shaft. The entire route through which the wind flows is called the mine ventilation system. At present, when existing mines are being renovated, it is necessary to use the existing gas pipeline shaft and transform it into a wind shaft through the gas pipeline shaft, so there is an urgent need for a structure that can transform the existing gas pipeline shaft. Utility Model Content
[0003] In order to solve the technical problems existing in the prior art, the utility model provides a new type of wind shaft explosion-proof cover foundation structure which has a simple structure, reasonable design, can greatly shorten the construction period, and is stable and reliable.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is a new type of air shaft explosion-proof cover foundation structure, including a gas pipe well, a wellbore foundation is installed on the lower outer circumference of the gas pipe well, an explosion-proof cover basic wellbore is installed on the wellbore foundation, the explosion-proof cover basic wellbore is sleeved on the outside of the gas pipe well, and a positioning groove is provided on the inner wall of the explosion-proof cover basic wellbore, the gas pipe well is stuck in the positioning groove, an annular sealing groove is provided on the top end face of the explosion-proof cover basic wellbore, the annular sealing groove is used for filling sealing oil, an oil drain hole is also provided on the annular sealing groove, a sealing bolt is installed in the oil drain hole, and an explosion-proof cover fixing connector is also installed on the top end face of the explosion-proof cover basic wellbore.
[0005] Preferably, a plurality of first annular fixing ribs are provided on the outer wall of the gas pipe well, the first annular fixing ribs are evenly arranged from the bottom to the top of the gas pipe well, and the first annular fixing ribs are connected to each other by a plurality of first vertical steel bars, and the first annular fixing ribs are also fixed to the steel skeleton of the explosion-proof cover foundation shaft and the shaft foundation by first connecting ribs.
[0006] Preferably, the explosion-proof cover foundation shaft and the shaft foundation both adopt reinforced concrete structure, and the steel skeletons of the explosion-proof cover foundation shaft and the shaft foundation both include second annular fixing ribs, third annular fixing ribs, second connecting ribs and second vertical steel bars, the second annular fixing ribs are arranged outside the third annular fixing ribs, and the second annular fixing ribs and the third annular fixing ribs are evenly arranged from bottom to top, the third annular fixing ribs and the second annular fixing ribs are respectively connected and fixed by second vertical steel bars, and the second annular fixing ribs and the third annular fixing ribs are connected by multiple second connecting ribs.
[0007] Preferably, the explosion-proof cover foundation shaft and the second vertical steel bars of the shaft foundation are connected together.
[0008] Compared with the prior art, the utility model has the following technical effects: the utility model has a simple structure and is easy to use. It adopts the method of adding a shaft foundation and an explosion-proof cover foundation shaft on the basis of the gas pipeline shaft, arranging a steel skeleton, pouring concrete to connect the gas pipeline shaft, the shaft foundation and the explosion-proof cover foundation shaft into a whole, increasing the stability of the wind shaft explosion-proof cover foundation, and then reducing the impact of the wind shaft system upgrade and transformation on the mine on the basis of meeting the safe use of the wind shaft. In addition, the utility model also has the characteristics of high strength of the wind shaft explosion-proof cover foundation, fast construction speed, and small underground impact, which can shorten the mine upgrade and transformation period in a variable manner, creating favorable conditions for the mine commissioning and acceptance! BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a structural schematic diagram of the utility model.
[0010] Figure 2 for Figure 1 Sectional view of AA.
[0011] Figure 3 for Figure 1 Cross-sectional view of BB. DETAILED DESCRIPTION
[0012] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0013] like Figures 1 to 3As shown, a new type of air shaft explosion-proof cover foundation structure includes a gas pipe well 1, a wellbore foundation 2 is installed on the lower outer circumference of the gas pipe well 1, an explosion-proof cover foundation wellbore 3 is installed on the wellbore foundation 2, the explosion-proof cover foundation wellbore 3 is sleeved on the outside of the gas pipe well 1, and a positioning groove 4 is provided on the inner wall of the explosion-proof cover foundation wellbore 3, the gas pipe well 1 is stuck in the positioning groove 4, an annular sealing groove 5 is provided on the top end face of the explosion-proof cover foundation wellbore 3, the annular sealing groove 5 is used for filling sealing oil, an oil drain hole 6 is also provided on the annular sealing groove 5, a sealing bolt 7 is installed in the oil drain hole 6, and an explosion-proof cover fixing connector 8 is also installed on the top end face of the explosion-proof cover foundation wellbore 3.
[0014] The utility model adopts the method of "outward expansion" of the well wall on the basis of the existing gas pipeline well 1. The existing well facilities are not removed during the construction period, and the installation is carried out after the construction is completed. During the construction, the well wall is first dug out around the gas pipeline well 1, and the excavation depth is not less than 2.5m. Then, the well foundation 2 is constructed at the lower part of the gas pipeline well, and the explosion-proof cover foundation well 3 is installed on the well foundation 2. The well foundation 2 is used to form a supporting base at the lower part of the gas pipeline well 1, which is convenient for the construction and installation of the explosion-proof cover foundation well 3, and at the same time can ensure the stability of the explosion-proof cover foundation well 3. After the construction is completed, the outside of the well foundation 2 and the explosion-proof cover foundation well 3 are backfilled to the designed elevation. Then, an annular sealing groove 5 is set on the explosion-proof cover foundation well 3 and an explosion-proof cover fixing connector 8 is installed for the subsequent installation of the explosion-proof cover.
[0015] Among them, a plurality of first annular fixing ribs 9 are arranged on the outer wall of the gas pipeline well 1, and the first annular fixing ribs 9 are evenly arranged from the bottom to the top of the gas pipeline well 1, and the first annular fixing ribs 9 are connected by a plurality of first vertical steel bars 10, and the first annular fixing ribs 9 are also fixed to the steel skeletons of the explosion-proof cover foundation shaft 3 and the shaft foundation 2 through the first connecting ribs 11. The explosion-proof cover foundation shaft 3 and the shaft foundation 2 are both reinforced concrete structures, and the steel skeletons of the explosion-proof cover foundation shaft 3 and the shaft foundation 2 include second annular fixing ribs 12, third annular fixing ribs 13, second connecting ribs 14 and second vertical steel bars 15, the second annular fixing ribs 12 are arranged outside the third annular fixing ribs 13, and the second annular fixing ribs 12 and the third annular fixing ribs 13 are evenly arranged from bottom to top, the third annular fixing ribs 13 and the second annular fixing ribs 12 are respectively connected and fixed by the second vertical steel bars 15, and the second annular fixing ribs 12 and the third annular fixing ribs 13 are connected by a plurality of second connecting ribs 14. The second vertical steel bars 15 of the explosion-proof cover foundation shaft 3 and the shaft foundation 2 are connected together.
[0016] The explosion-proof cover foundation shaft 3 and the shaft foundation 2 are both cast with reinforced concrete. By arranging a steel skeleton, the steel skeleton is integrated with the first annular fixing ribs 9, the first vertical steel bars 10, and the first connecting ribs 11 of the outer wall of the gas pipe shaft 1. The steel skeletons of the explosion-proof cover foundation shaft 3 and the shaft foundation 2 also adopt a mesh structure composed of annular fixing ribs, vertical steel bars, and connecting ribs. The structural strength is high, which can ensure the structural reliability of the explosion-proof cover foundation shaft 3, the shaft foundation 2, and the gas pipe shaft 1 after construction. It also has the characteristics of fast construction speed and small underground impact, which can shorten the mine upgrade and transformation period in a variable manner.
[0017] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the scope of the present invention.
Claims
1. A new type of explosion-proof cover foundation structure for a wind shaft, including a gas pipeline shaft, characterized in that: A wellbore foundation is installed on the lower outer circumference of the gas pipeline well, and an explosion-proof cover basic wellbore is installed on the wellbore foundation. The explosion-proof cover basic wellbore is sleeved on the outside of the gas pipeline well, and a positioning groove is provided on the inner wall of the explosion-proof cover basic wellbore. The gas pipeline well is stuck in the positioning groove, and an annular sealing groove is provided on the top end face of the explosion-proof cover basic wellbore. The annular sealing groove is used for filling sealing oil, and an oil drain hole is also provided on the annular sealing groove. A sealing bolt is installed in the oil drain hole, and an explosion-proof cover fixing connector is also installed on the top end face of the explosion-proof cover basic wellbore.
2. A novel air shaft explosion-proof cover foundation structure according to claim 1, characterized in that: A plurality of first annular fixing ribs are arranged on the outer wall of the gas pipe shaft, and the first annular fixing ribs are evenly arranged from the bottom to the top of the gas pipe shaft, and the first annular fixing ribs are connected by a plurality of first vertical steel bars, and the first annular fixing ribs are also fixed to the steel skeleton of the explosion-proof cover foundation shaft and the shaft foundation through the first connecting ribs.
3. A novel air shaft explosion-proof cover foundation structure according to claim 2, characterized in that: The explosion-proof cover foundation shaft and the shaft foundation are both reinforced concrete structures. The steel skeletons of the explosion-proof cover foundation shaft and the shaft foundation include second annular fixing ribs, third annular fixing ribs, second connecting ribs and second vertical steel bars. The second annular fixing ribs are arranged outside the third annular fixing ribs, and the second annular fixing ribs and the third annular fixing ribs are evenly arranged from bottom to top. The third annular fixing ribs and the second annular fixing ribs are respectively connected and fixed by second vertical steel bars, and the second annular fixing ribs and the third annular fixing ribs are connected by multiple second connecting ribs.
4. A novel air shaft explosion-proof cover foundation structure according to claim 3, characterized in that: The explosion-proof cover foundation shaft and the second vertical steel bars of the shaft foundation are connected together.