CN114215524A - Corrugated steel shotcrete shaft is strutted - Google Patents
Corrugated steel shotcrete shaft is strutted Download PDFInfo
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- CN114215524A CN114215524A CN202111545652.XA CN202111545652A CN114215524A CN 114215524 A CN114215524 A CN 114215524A CN 202111545652 A CN202111545652 A CN 202111545652A CN 114215524 A CN114215524 A CN 114215524A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 126
- 239000010959 steel Substances 0.000 title claims abstract description 126
- 239000011378 shotcrete Substances 0.000 title claims abstract description 41
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims description 34
- 230000003014 reinforcing effect Effects 0.000 claims description 30
- 239000000725 suspension Substances 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/11—Lining shafts; Linings therefor with combinations of different materials, e.g. wood, metal, concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
A corrugated steel sprayed concrete shaft support relates to the technical field of corrugated steel shaft supports and aims to solve the problems that the conventional operation is complex, the safety coefficient in the construction process is low, the concrete solidification speed is low, the manufacturing time of the shaft support is long, the integral bearing capacity of the shaft is low, and the waterproof effect is poor; the device comprises top layer supporting parts and hanging and stabilizing parts arranged at the connecting ends of the adjacent top layer supporting parts, wherein the supporting ends of the hanging and stabilizing parts are fixedly inserted into the ground at the upper end of a vertical shaft, lower layer supporting parts are correspondingly clamped at the lower end parts of the top layer supporting parts, the lower layer supporting parts are sequentially connected downwards, and the adjacent lower layer supporting parts are fixedly connected in a sealing way through connecting pieces; corrugated steel can be the template concurrently, can assemble fast, and construction speed is fast, and the shotcrete after assembling further improves the bearing capacity of shaft, and the shotcrete has the characteristics of strengthening, can participate in fast and bear, and corrugated steel self is fine waterproof barrier, guarantees the waterproof of shaft structure easily.
Description
Technical Field
The invention relates to the technical field of corrugated steel shaft support, in particular to a corrugated steel shotcrete shaft support.
Background
The shaft, the shaft-like pipe with vertical wall, is called shaft and is actually a kind of collapse funnel. The plane outline is square, long strip or irregular round. The strips develop along one set of joints, and the squares or circles develop along two sets of joints. The well wall is steep and nearly vertical, and the water surface of the underground river can be seen from the vertical shaft downwards sometimes.
Traditional shotcrete shaft is strutted and is dug the shaft earlier, uses simple and easy protector to carry out preliminary protection with the shaft again, carries out the strut of concrete again, and the operation is complicated like this, and factor of safety is low in the work progress, and the concrete setting speed is slow moreover, causes the shaft to strut and makes for a long time, and the whole bearing capacity of shaft is low moreover, and water-proof effects is poor.
To solve the above problems. For this purpose, corrugated steel shotcrete shaft supports are proposed.
Disclosure of Invention
The invention aims to provide a corrugated steel sprayed concrete vertical shaft support, excavating to a depth exceeding a first ring, inserting a contraposition slide block of one corrugated steel supporting plate into a contraposition chute of the other corrugated steel supporting plate, wherein a connecting inner thread groove corresponds to a connecting outer thread groove, buckling a processing plate between preliminarily connected corrugated steel supporting plates, sequentially penetrating a first supporting screw through the connecting inner thread groove and the connecting outer thread groove, driving the first supporting screw into a vertical shaft wall, completing preliminary supporting installation, completing the assembly of the corrugated steel supporting plates of the first ring, driving a first reinforcing component and a second reinforcing component without a third supporting screw to 90 degrees, sequentially driving a second supporting screw and a third supporting screw into the ground, completing the fixed connection of a hanging and fixing component and the ground, and then mounting the lower end of a hanging and stabilizing component on a top layer supporting component, installing the upper end of the suspended stable part on the ground, then continuing excavation, after excavating the second ring, when installing the next layer of support, sleeving the slot formed by the single corrugated steel support plate to the outer side of the automatic locking component, after the corrugated steel support plate at the lower end is almost attached to the corrugated steel support plate at the upper end, continuing to apply pressure to push the corrugated steel support plate at the lower end, then pushing the pushing column by the corrugated steel support plate, further pushing the expansion column, then pushing the first clamping block and the second clamping block to extend outwards by the expansion column, finally continuously knocking the corrugated steel support plate by using an iron hammer, then pushing the expansion column to be low, inserting the first clamping block and the second clamping block into the slot, completing the connection of the longitudinal corrugated steel support plate, and after the corrugated steel with the height of 2-3 rings is installed in place, spraying once concrete, and so on, completing the installation of the whole vertical shaft, the problems set forth in the above background art can be solved.
In order to achieve the purpose, the invention provides the following technical scheme: the corrugated steel shotcrete shaft support comprises a plurality of top layer support components and a suspension stabilizing component arranged at the connecting end of the adjacent top layer support components, wherein the support end of the suspension stabilizing component is fixedly inserted into the ground at the upper end of the shaft and is used for providing main traction support force for the whole concrete shaft support;
the top layer supporting part and the lower layer supporting part have the same structure composition, the top layer supporting part comprises corrugated steel supporting plates and automatic locking assemblies arranged at the lower end parts of the corrugated steel supporting plates, two automatic locking assemblies are symmetrically arranged at the lower ends of the corrugated steel supporting plates, the automatic locking assemblies are matched with slots formed in the upper ends of the other corrugated steel supporting plate, a corrugated steel supporting guard plate of the top layer supporting part and the corrugated steel supporting plate of the lower layer supporting part are connected through the automatic locking assemblies, and concrete is sprayed on the spliced corrugated steel supporting guard plate, so that the whole corrugated steel-concrete shaft support is formed;
hang firm part including linking up the piece and setting up at the reinforcement that links up the inboard direction of piece towards the shaft, it is reverse towards the shaft outside to link up the piece, and is provided with the one end that is parallel with ground and hangs fixed subassembly.
Further, the horizontal one end of corrugated steel supporting plate is provided with the counterpoint slider, and the counterpoint slider is T font structure, and the horizontal other end of corrugated steel supporting plate is provided with the counterpoint spout, counterpoint slider and counterpoint spout phase-match for horizontal carry out preliminary concatenation with adjacent top layer supporting parts.
Furthermore, corrugated steel supporting plate is located the one end of counterpoint slider and has been seted up linking internal thread groove, and corrugated steel supporting plate is located the one end of counterpoint spout and has been seted up linking external thread groove, and when counterpoint slider and counterpoint spout matched with, it is corresponding with linking external thread groove to link the internal thread groove.
Further, the reinforcement is the same with the connecting piece structure constitution, and the reinforcement includes the processing board and sets up the first support screw on the processing board, and first support screw is provided with a plurality ofly, and first support screw in proper order with link up the internal thread groove and link up external thread groove screw thread matching to run through during corrugated steel supporting plate squeezes into the shaft wall.
Further, hang fixed subassembly and include with linking up the piece looks vertically central block and set up the first reinforcement subassembly and the second reinforcement subassembly of the folding inslot side that the central block was seted up, the central block is kept away from one end screw thread of linking up the piece and is run through and be provided with the second and strut the screw, the screw thread is strutted to the second and is squeezed into ground, first reinforcement subassembly and second reinforcement subassembly pass through connecting pin swing joint, and first reinforcement subassembly and the biggest contained angle of opening of second reinforcement subassembly are 90, constitute the triangle state with the central block.
Further, first reinforcement component and second reinforcement component structure are constituteed the same, and first reinforcement component includes the dwang and sets up the third support screw of keeping away from connecting pin one end at the dwang, and ground is also squeezed into to the third support screw.
Furthermore, the width of the folding groove is equal to the width of the rotating rod, the thickness of the folding groove is slightly larger than the two times of the thickness of the rotating rod, a first through thread groove is formed in one end, close to the third supporting screw, of the rotating rod, and a second through thread groove is formed in one end, close to the second supporting screw, of the center block.
Further, automatic locking components include the erection column and set up the driving piece in erection column outer end inboard, are located to be provided with buckle spare on the erection column in the driving piece outside, and the erection column extends at the both ends of buckle spare.
Further, the buckle spare includes reset spring and sets up first fixture block and the second fixture block at reset spring both ends, and first fixture block and second fixture block are about the middle part symmetry of erection column, still seted up the draw-in groove on the inboard corrugated steel backplate of slot, draw-in groove and first fixture block and second fixture block phase-match.
Further, the driving piece comprises a pushing column and an expansion column arranged at one end of the pushing column, the diameter of the expansion column is smaller than the mounting groove formed in the inner side of the mounting column, and a movable groove is formed in the other end of the expansion column.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the corrugated steel sprayed concrete vertical shaft support, the alignment slide block of one corrugated steel support guard plate is inserted into the alignment slide groove of the other corrugated steel support guard plate, the connection inner thread groove corresponds to the connection outer thread groove, then the processing plate is buckled between the corrugated steel support plates which are primarily connected, finally the first support screw penetrates through the connection inner thread groove and the connection outer thread groove in sequence and is driven into the vertical shaft wall, the primary support installation is completed, the transverse connection tightness is high, the sealing and waterproof effects are good, the corrugated steel can be used as a template, the rapid assembly can be achieved, and the construction speed is high.
2. According to the corrugated steel sprayed concrete vertical shaft support, the first reinforcing component and the second reinforcing component are movably connected through the connecting pin, the maximum opening included angle of the first reinforcing component and the second reinforcing component is 90 degrees, and the first reinforcing component and the second reinforcing component form a triangular state with the central block, so that the ground grabbing force of the suspended fixing component is improved.
3. According to the corrugated steel shotcrete shaft support, after the reinforcing member is installed, the first reinforcing component and the second reinforcing component with the third supporting screws removed are opened to 90 degrees, then the second supporting screws and the third supporting screws are driven into the ground in sequence, and the fixed connection between the suspension fixing component and the ground is completed.
4. According to the corrugated steel shotcrete shaft support, when the next layer of support is installed, the slot formed in the single corrugated steel support plate is sleeved into the outer side of the automatic locking component, after the corrugated steel support plate at the lower end is almost attached to the corrugated steel support plate at the upper end, pressing is continuously applied to push the corrugated steel support plate at the lower end, the corrugated steel support plate pushes the pushing column to further push the expansion column, the expansion column pushes the first clamping block and the second clamping block to extend outwards, finally, the corrugated steel support plate is continuously knocked by using an iron hammer, the expansion column is pushed to be low, the first clamping block and the second clamping block are inserted into the clamping groove, connection of the longitudinal corrugated steel support plate is completed, and the rest is done in sequence, the support can be installed from top to bottom, construction is safer, the transverse connection tightness is high, and the sealing and waterproof effects are good.
Drawings
FIG. 1 is a schematic view of the overall top plan structure of the corrugated steel shotcrete shaft support of the present invention;
FIG. 2 is a schematic view of a partially installed three-dimensional structure of the corrugated steel shotcrete shaft support of the present invention;
FIG. 3 is a schematic perspective view of a corrugated steel supporting plate for supporting the corrugated steel shotcrete shaft according to the present invention;
FIG. 4 is a schematic perspective view of a suspended stabilizing member of the corrugated steel shotcrete shaft support of the present invention;
FIG. 5 is a schematic view of the expanded three-dimensional structure of the suspension fixing assembly of the corrugated steel shotcrete shaft support of the present invention;
FIG. 6 is a schematic perspective view of an automatic locking assembly for the corrugated steel shotcrete shaft support of the present invention;
FIG. 7 is a schematic perspective view of a driving member of the corrugated steel shotcrete shaft support according to the present invention;
FIG. 8 is a schematic top plan view of a fastener of the corrugated steel shotcrete shaft support of the present invention;
fig. 9 is a schematic plane structure diagram of the connection state of the automatic locking assembly of the corrugated steel shotcrete shaft support of the present invention.
In the figure: 1. a top layer support member; 11. a corrugated steel supporting guard plate; 111. aligning the sliding block; 112. aligning the sliding chute; 113. connecting the inner thread groove; 114. connecting the external thread groove; 12. an automatic latch assembly; 121. mounting a column; 122. a drive member; 1221. pushing the column; 1222. an expansion column; 1223. a movable groove; 123. a fastener; 1231. a return spring; 1232. a first clamping block; 1233. a second fixture block; 13. a slot; 131. A card slot; 2. a suspension stabilizing member; 21. a joining block; 22. a reinforcement; 221. processing a plate; 222. a first support screw; 23. a suspension fixing assembly; 231. a center block; 2311. a folding slot; 2312. a second support screw; 2313. a second through thread groove; 232. a first reinforcement member; 2321. rotating the rod; 2322. A third support screw; 2323. a first through thread groove; 233. a second reinforcement member; 234. a connecting pin; 3. a lower layer support member; 4. a connecting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the corrugated steel shotcrete shaft support comprises a plurality of top layer support parts 1 and suspension stabilizing parts 2 arranged at the connecting ends of the adjacent top layer support parts 1, wherein the support ends of the suspension stabilizing parts 2 are fixedly inserted into the ground at the upper end of the shaft and are used for providing main traction support force for the whole concrete shaft support, the mounted concrete shaft support is guaranteed not to be loose, lower layer support parts 3 are correspondingly clamped at the lower end parts of the top layer support parts 1, the lower layer support parts 3 are sequentially connected downwards and are used for supporting the whole shaft, the adjacent lower layer support parts 3 are fixedly connected in a sealing mode through connecting pieces 4, the lower layer support parts 3 are guaranteed to be stable after forming the whole columnar shaft, and the outer side faces of the top layer support parts 1 and the lower layer support parts 3 are attached to the shaft.
Referring to fig. 3, the corrugated steel shotcrete shaft support, the top layer support part 1 and the lower layer support part 3 have the same structure, the top layer support part 1 includes a corrugated steel support plate 11 and two automatic locking assemblies 12 arranged at the lower end of the corrugated steel support plate 11, the two automatic locking assemblies 12 are symmetrically arranged at the lower end of the corrugated steel support plate 11, and the automatic locking assemblies 12 are matched with a slot 13 arranged at the upper end of the other corrugated steel support plate 11.
The horizontal one end of corrugated steel supporting plate 11 is provided with counterpoint slider 111, and counterpoint slider 111 is T font structure, and the horizontal other end of corrugated steel supporting plate 11 is provided with counterpoint spout 112, counterpoint slider 111 and counterpoint spout 112 phase-match for horizontal carry out preliminary concatenation with adjacent top layer supporting part 1, and play certain sealed effect.
The corrugated steel support guard plate 11 is located at one end of the alignment slide block 111 and is provided with a connection inner thread groove 113, the corrugated steel support guard plate 11 is located at one end of the alignment slide groove 112 and is provided with a connection outer thread groove 114, and when the alignment slide block 111 is matched with the alignment slide groove 112, the connection inner thread groove 113 corresponds to the connection outer thread groove 114.
Referring to fig. 4, in the corrugated steel shotcrete shaft support, the hanging and stabilizing member 2 includes a joint block 21 and a reinforcing member 22 disposed at the joint block 21 toward the inside of the shaft for connecting the adjacent top layer support members 1, the joint block 21 is reversed toward the outside of the shaft, and a hanging and fixing assembly 23 is disposed at one end parallel to the ground for stabilizing an upward traction force to the reinforcing member 22, thereby improving the stability of the whole support.
The reinforcing member 22 is the same with the structure composition of connecting piece 4, and the reinforcing member 22 includes processing board 221 and the first support screw 222 of setting on processing board 221, and first support screw 222 is provided with a plurality ofly, and first support screw 222 in proper order with link up interior thread groove 113 and link up outer thread groove 114 screw thread matching, and run through during corrugated steel props up backplate 11 and squeezes into the shaft wall, be used for the horizontal adjacent corrugated steel props up backplate 11 of stable connection, the stability of whole support is tentatively improved.
Specifically, insert the counterpoint slider 111 of one of them corrugated steel backplate 11 inside the counterpoint spout 112 of another corrugated steel backplate 11, it is corresponding with linking up external thread groove 114 to link up internal thread groove 113 this moment, then buckle the processing plate 221 between the corrugated steel backplate 11 of initial connection, run through linking up internal thread groove 113 and linking external thread groove 114 with first supporting screw 222 in proper order at last, and squeeze into the vertical wall of a well, accomplish preliminary supporting installation, the transverse connection compactness is high, sealed water-proof effects is good, and the corrugated steel can be the template simultaneously, can assemble fast, construction speed is fast.
Referring to fig. 5, in the corrugated steel shotcrete shaft support, the suspension fixing component 23 includes a center block 231 perpendicular to the joint block 21, and a first reinforcement component 232 and a second reinforcement component 233 which are disposed inside a folding groove 2311 formed in the center block 231, a second support screw 2312 is disposed at one end of the center block 231, which is far away from the joint block 21, in a threaded manner, the second support screw 2312 is driven into the ground, the first reinforcement component 232 and the second reinforcement component 233 are movably connected by a connecting pin 234, and the maximum opening included angle of the first reinforcement component 232 and the second reinforcement component 233 is 90 degrees, so that the first reinforcement component 232 and the second reinforcement component 233 form a triangular state with the center block 231, and the ground-holding force of the suspension fixing component 23 is further improved.
The first reinforcing component 232 and the second reinforcing component 233 are identical in structure composition, the first reinforcing component 232 comprises a rotating rod 2321 and a third supporting screw 2322 arranged at one end, far away from the connecting pin 234, of the rotating rod 2321, and the third supporting screw 2322 is also driven into the ground, so that the ground grabbing effect is improved.
The width of the folding groove 2311 is equal to the width of the rotating rod 2321, and the thickness of the folding groove 2311 is slightly greater than twice the thickness of the rotating rod 2321, so that the first reinforcing component 232 and the second reinforcing component 233 can be folded and collected inside the center block 231, a first through threaded groove 2323 is formed in one end of the rotating rod 2321 close to the third supporting screw 2322, a second through threaded groove 2313 is formed in one end of the center block 231 close to the second supporting screw 2312, after the first reinforcing component 232 and the second reinforcing component 233 are folded and contracted, the first through threaded groove 2323 corresponds to the second through threaded groove 2313, and then the third supporting screw 2322 is threaded through the first through threaded groove 2323 and the second through threaded groove 2313, so that the integral contraction of the suspension fixing component 23 is completed, and the carrying and the sorting are convenient.
Specifically, after the reinforcing member 22 is installed, the first reinforcing component 232 and the second reinforcing component 233 with the third supporting screws 2322 removed are opened to 90 degrees, then the second supporting screws 2312 and the third supporting screws 2322 are driven into the ground in sequence, and the fixed connection between the suspension fixing component 23 and the ground is completed.
Referring to fig. 6, in the corrugated steel shotcrete shaft support, the automatic locking assembly 12 includes a mounting post 121 and a driving member 122 disposed inside an outer end of the mounting post 121, a locking member 123 is disposed on the mounting post 121 located outside the driving member 122, and two ends of the locking member 123 extend out of the mounting post 121.
Referring to fig. 7, in the corrugated steel shotcrete shaft support, the fastening member 123 includes a return spring 1231, and a first fixture block 1232 and a second fixture block 1233 that are disposed at two ends of the return spring 1231, the first fixture block 1232 and the second fixture block 1233 are symmetrical with respect to the middle of the mounting post 121, the corrugated steel support plate 11 inside the slot 13 is further provided with a clamping groove 131, and the clamping groove 131 is matched with the first fixture block 1232 and the second fixture block 1233.
Referring to fig. 8-9, in the corrugated steel shotcrete shaft support, the driving member 122 includes a pushing column 1221 and an expansion column 1222 disposed at one end of the pushing column 1221, a diameter of the expansion column 1222 is slightly smaller than a mounting groove formed at an inner side of the mounting column 121, and a movable groove 1223 is formed at the other end of the expansion column 1222, so that the return spring 1231 has a certain movement space.
Specifically, when the next layer of support is installed, the slot 13 formed on the single corrugated steel support plate 11 is sleeved into the outer side of the automatic locking component 12, after the corrugated steel supporting plate 11 at the lower end is almost attached to the corrugated steel supporting plate 11 at the upper end, the pressure is continuously applied to push the corrugated steel supporting plate 11 at the lower end, at this time, the corrugated steel supporting plate 11 pushes the pushing column 1221, the pushing column 1221 further pushes the expansion column 1222, at this time, the expansion column 1222 pushes the first clamping block 1232 and the second clamping block 1233 to extend outwards, finally, the corrugated steel supporting plate 11 is continuously knocked by using an iron hammer, at this time, the expansion column 1222 is pushed to be low, the first fixture block 1232 and the second fixture block 1233 are inserted into the clamping groove 131 to complete the connection of the longitudinal corrugated steel supporting plate 11, and so on, the installation that can top-down strut, the construction is safer, and transverse connection compactness is high moreover, and sealed water-proof effects is good.
The working principle is as follows: excavating to a depth exceeding that of the first ring, inserting the alignment slide block 111 of one corrugated steel supporting plate 11 into the alignment slide groove 112 of the other corrugated steel supporting plate 11, enabling the engagement inner thread groove 113 to correspond to the engagement outer thread groove 114, clamping the processing plate 221 between the corrugated steel supporting plates 11 which are preliminarily connected, sequentially penetrating the first supporting screw 222 through the engagement inner thread groove 113 and the engagement outer thread groove 114, driving the first supporting screw into the vertical shaft wall, completing preliminary supporting installation, completing the assembly of the corrugated steel supporting plates 11 of the first ring, opening the first reinforcing component 232 and the second reinforcing component 233 with the third supporting screw 2322 removed to 90 degrees, sequentially driving the second supporting screw 2312 and the third supporting screw 2322 into the ground, completing the fixed connection of the suspension fixing component 23 and the ground, and then mounting the lower end of the suspension stabilizing component 2 on the top layer supporting component 1, installing the upper end of the hanging and stabilizing part 2 on the ground, then continuing excavation, excavating a second ring, when installing the next layer of support, sleeving the slot 13 formed on the single corrugated steel support plate 11 to the outer side of the automatic locking component 12, when the corrugated steel support plate 11 at the lower end is almost attached to the corrugated steel support plate 11 at the upper end, continuing to apply pressure to push the corrugated steel support plate 11 at the lower end, at the same time, the corrugated steel support plate 11 pushes the push column 1221, the push column 1221 and further the expansion column 1222, at the same time, the expansion column 1222 pushes the first fixture block 1232 and the second fixture block 1233 to extend outwards, finally, continuously knocking the corrugated steel support plate 11 by using an iron hammer, at the same time, the expansion column 1222 is pushed to be low, the first fixture block 1232 and the second fixture block 1233 are inserted into the slot 131, completing the connection of the longitudinal corrugated steel support plate 11, and after the corrugated steel with the height of every 2-3 rings is installed in place, and (5) spraying concrete once, and repeating the steps to complete the installation of the whole shaft support.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The corrugated steel sprayed concrete shaft support comprises a plurality of top layer support components (1) and suspension stabilizing components (2) arranged at the connecting ends of the adjacent top layer support components (1), and is characterized in that the support ends of the suspension stabilizing components (2) are fixedly inserted into the ground at the upper end of the shaft and are used for providing main traction support force for the whole concrete shaft support, lower end parts of the top layer support components (1) are correspondingly clamped with lower layer support components (3), the lower layer support components (3) are sequentially connected downwards and are used for supporting the whole shaft, the adjacent lower layer support components (3) are fixedly connected in a sealing mode through connecting pieces (4), the stability of the lower layer support components (3) after the whole columnar shaft is ensured, and the outer side faces of the top layer support components (1) and the lower layer support components (3) are attached to the shaft;
the top layer supporting part (1) and the lower layer supporting part (3) are the same in structure composition, the top layer supporting part (1) comprises corrugated steel supporting guard plates (11) and automatic locking assemblies (12) arranged at the lower end parts of the corrugated steel supporting guard plates (11), the two automatic locking assemblies (12) are symmetrically arranged at the lower ends of the corrugated steel supporting guard plates (11), the automatic locking assemblies (12) are matched with slots (13) formed in the upper ends of the other corrugated steel supporting guard plates (11), the corrugated steel supporting guard plates (11) of the top layer supporting part (1) are connected with the corrugated steel supporting guard plates (11) of the lower layer supporting part (3) through the automatic locking assemblies (12), concrete is sprayed on the spliced corrugated steel supporting guard plates (11), and then the whole corrugated steel-concrete vertical shaft support is formed;
the hanging and stabilizing part (2) comprises a connecting block (21) and a reinforcing member (22) arranged on the connecting block (21) towards the inner side direction of the vertical shaft, the connecting block (21) is opposite towards the outer side of the vertical shaft, and a hanging and fixing assembly (23) is arranged at one end parallel to the ground.
2. The corrugated steel shotcrete shaft support of claim 1, wherein one lateral end of the corrugated steel supporting plate (11) is provided with an alignment slide block (111), the alignment slide block (111) is of a T-shaped structure, the other lateral end of the corrugated steel supporting plate (11) is provided with an alignment sliding groove (112), and the alignment slide block (111) is matched with the alignment sliding groove (112) and used for transversely performing primary splicing on the adjacent top layer supporting parts (1).
3. The corrugated steel shotcrete shaft support of claim 2, wherein the corrugated steel support guard plate (11) has an engagement inner threaded groove (113) at one end of the alignment slide block (111), the corrugated steel support guard plate (11) has an engagement outer threaded groove (114) at one end of the alignment slide block (112), and when the alignment slide block (111) is matched with the alignment slide block (112), the engagement inner threaded groove (113) corresponds to the engagement outer threaded groove (114).
4. The corrugated steel shotcrete shaft support as defined in claim 3, wherein the reinforcing member (22) is structurally the same as the connecting member (4), the reinforcing member (22) includes a plurality of processing plates (221) and a plurality of first supporting screws (222) provided on the processing plates (221), and the first supporting screws (222) are sequentially screw-engaged with the engaging inner thread grooves (113) and the engaging outer thread grooves (114) and are driven into the shaft wall through the corrugated steel shotcrete plate (11).
5. A corrugated steel shotcrete shaft support as defined in claim 4, wherein the suspension fixing member (23) comprises a center block (231) perpendicular to the joint block (21) and a first reinforcement member (232) and a second reinforcement member (233) disposed inside a folding groove (2311) formed in the center block (231), a second support screw (2312) is disposed through a thread of one end of the center block (231) far away from the joint block (21), the second support screw (2312) is threaded into the ground, the first reinforcement member (232) and the second reinforcement member (233) are movably connected by a connecting pin (234), and a maximum opening included angle between the first reinforcement member (232) and the second reinforcement member (233) is 90 degrees, and a triangular state is formed by the first reinforcement member (232) and the second reinforcement member (233) and the center block (231).
6. A corrugated steel shotcrete shaft support as claimed in claim 5, wherein the first reinforcement member (232) and the second reinforcement member (233) are of the same structural composition, the first reinforcement member (232) comprising a swivelling rod (2321) and a third support screw (2322) arranged at the end of the swivelling rod (2321) remote from the connecting pin (234), the third support screw (2322) also being driven into the ground.
7. A corrugated steel shotcrete shaft support according to claim 6, wherein the width of the folding groove (2311) is equal to the width of the rotating rod (2321), the thickness of the folding groove (2311) is slightly larger than twice the thickness of the rotating rod (2321), a first penetrating thread groove (2323) is formed at one end of the rotating rod (2321) close to the third support screw (2322), and a second penetrating thread groove (2313) is formed at one end of the central block (231) close to the second support screw (2312).
8. A corrugated steel shotcrete shaft support as claimed in claim 7, wherein the automatic locking assembly (12) comprises a mounting post (121) and a driving member (122) disposed inside the outer end of the mounting post (121), a fastener (123) is disposed on the mounting post (121) outside the driving member (122), and both ends of the fastener (123) extend out of the mounting post (121).
9. The corrugated steel shotcrete shaft support of claim 8, wherein the fastener (123) comprises a return spring (1231) and a first clamping block (1232) and a second clamping block (1233) which are arranged at two ends of the return spring (1231), the first clamping block (1232) and the second clamping block (1233) are symmetrical about the middle of the mounting column (121), a clamping groove (131) is further formed in the corrugated steel support plate (11) inside the slot (13), and the clamping groove (131) is matched with the first clamping block (1232) and the second clamping block (1233).
10. A corrugated steel shotcrete shaft support as claimed in claim 9, wherein the driving member (122) comprises a push column (1221) and an expansion column (1222) arranged at one end of the push column (1221), the diameter of the expansion column (1222) is smaller than the mounting groove formed at the inner side of the mounting column (121), and a movable groove (1223) is formed at the other end of the expansion column (1222).
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| CN202111545652.XA CN114215524B (en) | 2021-12-16 | 2021-12-16 | Corrugated steel shotcrete shaft support |
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| CN202111545652.XA CN114215524B (en) | 2021-12-16 | 2021-12-16 | Corrugated steel shotcrete shaft support |
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| CN114215524B (en) | 2024-02-20 |
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