CN214832522U - Assembled drilling platform for reservoir bare rock group pile foundation - Google Patents
Assembled drilling platform for reservoir bare rock group pile foundation Download PDFInfo
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- CN214832522U CN214832522U CN202121033856.0U CN202121033856U CN214832522U CN 214832522 U CN214832522 U CN 214832522U CN 202121033856 U CN202121033856 U CN 202121033856U CN 214832522 U CN214832522 U CN 214832522U
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Abstract
The utility model discloses a reservoir area bare rock crowd pile foundation assembled drilling platform, include: the drilling platform comprises four positioning steel casing cylinders, a drilling platform and a water surface, wherein the four positioning steel casing cylinders are distributed at four corners of a mounting area of the drilling platform, one end of any one positioning steel casing cylinder is fixed below a riverbed, and the other end of the positioning steel casing cylinder vertically extends upwards out of the water surface; the four connecting mechanisms correspond to the four positioning steel protective cylinders one by one, and any one connecting mechanism comprises a steel hoop which is sleeved at one end of each positioning steel protective cylinder extending out of the water surface and is detachably connected with the positioning steel protective cylinder; the brackets are fixed on the outer side wall of the steel hoop at intervals along the circumferential direction of the steel hoop; the integral main beam is sleeved on the outer sides of the four positioning steel protective cylinders and supported on the bracket; and the construction platform is arranged at the top of the integral main beam. The utility model discloses a set up on the section of thick bamboo is protected to location steel rather than coupling mechanism such as assorted steel staple bolt, bracket, realization drilling platform that can be convenient protects the removal of a section of thick bamboo along vertical direction on the location steel to make drilling platform can adapt to the change by a wide margin of storehouse district water level in a flexible way.
Description
Technical Field
The utility model relates to a reservoir area bridge construction technical field. More specifically, the utility model relates to a naked rock crowd pile basis assembled drilling platform in reservoir.
Background
Before the deepwater construction of the pile group foundation of the bridge structure pier stud, a temporary drilling platform is generally required to be provided for the pile foundation construction, construction machinery is arranged on the platform, and the platform bears construction load. For bare rock geological conditions, the traditional process is to place a steel pipe pile or a steel casing, and the steel pipe pile or the steel casing is drilled with a drilling machine, so that the construction cost of the pile foundation of the traditional drilling platform is increased, meanwhile, the steel pipe pile or the steel casing is usually assembled in a field welding mode, the construction risk is high, and the construction quality is difficult to guarantee. Especially, in the construction engineering of a bridge in a reservoir area, the reservoir area water level has large variation range along with seasons, the height of the drilling platform needs to be adjusted according to the real-time water level condition of the reservoir area, but because the traditional drilling platform is fixed in a welding mode, the problems of difficult construction, high safety risk, high construction cost, poor platform stability caused by frequent construction and the like exist when the traditional drilling platform is connected high, and the drilling platform cannot well adapt to the characteristic of reservoir area water level variation.
In order to solve the above problems, it is necessary to provide a novel drilling platform for bare rock grouped pile foundation in a reservoir area, so that the elevation of the platform can be adjusted along with the water level change of the reservoir area, and meanwhile, the stability of the platform is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a naked rock crowd pile foundation assembled drilling platform in storehouse, protect a section of thick bamboo through the location steel set up rather than coupling mechanism such as assorted steel staple bolt, bracket, realization drilling platform that can be convenient protects a section of thick bamboo at the location steel and follows the removal of vertical direction to make drilling platform adapt to the change by a wide margin of storehouse district water level in a flexible way, guaranteed drilling platform's bulk rigidity and intensity simultaneously.
In order to realize that according to the utility model discloses these objects and other advantages, provide a reservoir area bare rock crowd pile basis assembled drilling platform, include:
the drilling platform comprises four positioning steel casing cylinders, a drilling platform and a positioning steel casing, wherein the four positioning steel casing cylinders are distributed at four corners of a preset installation area of the drilling platform, one end of any one positioning steel casing cylinder is fixed below a riverbed, and the other end of the positioning steel casing cylinder vertically extends upwards out of the water surface;
the four connecting mechanisms correspond to the four positioning steel protective cylinders one by one, and any one connecting mechanism comprises a steel hoop which is sleeved at one end, extending out of the water surface, of the corresponding positioning steel protective cylinder and is detachably connected with the corresponding positioning steel protective cylinder; a plurality of brackets which are fixed on the outer side wall of the steel anchor ear at intervals along the circumferential direction of the steel anchor ear;
the integral main beam is of a planar frame structure sleeved on the outer sides of the four positioning steel protective cylinders, and is supported on the plurality of brackets and fixedly connected with the brackets;
and the construction platform is arranged at the top of the integral main beam and is not in contact with the four positioning steel casing cylinders.
Preferably, the bare rock pile foundation fabricated drilling platform of the reservoir area, the connecting mechanism further comprises: the gusset plate is arranged below the brackets and is connected with the bottoms of the brackets and the outer side wall of the steel hoop; the hoop rib, its edge the circumference of steel staple bolt sets up and connects gradually a plurality of brackets with the hoop ear of steel staple bolt, the hoop rib a plurality of brackets with the hoop ear of steel staple bolt forms annular closed structure jointly.
Preferably, the bare rock group pile foundation assembled drilling platform in the reservoir area, coupling mechanism still includes the sheet rubber, and it establishes for the cover annular structure on the location steel protects a section of thick bamboo and fixes the inboard of steel staple bolt.
Preferably, the assembly type drilling platform for the bare rock group pile foundation in the reservoir area comprises a plurality of transverse distribution beams which are fixed on the top of the integral main beam at intervals in parallel; the plurality of longitudinal distribution beams are fixed on the tops of the plurality of transverse distribution beams at intervals in parallel, and any longitudinal distribution beam is vertical to any transverse distribution beam; and the panel is laid on the tops of the plurality of longitudinal distribution beams, and is provided with a plurality of through holes which are in one-to-one correspondence with the plurality of steel casing cylinders to be constructed.
Preferably, the bare rock group pile foundation fabricated drilling platform of the reservoir area further comprises a railing, and the railing is fixed at the top edge of the panel along the circumferential direction of the panel.
Preferably, the fabricated drilling platform for the foundation of the bare rock grouped piles in the reservoir area further comprises a plurality of reinforcing plates which are fixed on the outer side wall of the integral main beam at intervals.
The utility model discloses at least, include following beneficial effect:
1. the utility model designs the positioning steel protective cylinder and the integral girder which can be sleeved in a matching way, and the detachable connecting mechanism is arranged on the positioning steel protective cylinder to be used as the support of the construction platform, and the integral girder and the construction platform are hoisted integrally by adopting hoisting equipment to complete the position conversion of the drilling platform caused by the great change of the water level, thereby achieving the purpose of effectively adapting to the large change range of the construction water level of the reservoir area;
2. the utility model effectively weakens the stress concentration phenomenon at the joint of the bracket and the positioning steel casing by arranging the gusset plate and the circumferential rib between the steel anchor ear and the bracket, so that the stress performance of the bracket is good;
3. the connecting mechanism, the integral girder and the construction platform in the utility model adopt complete prefabricated assembly construction, thereby greatly shortening the construction period, and because the integral girder has good integrity, the positioning steel casing can form a stable whole by welding the integral girder on the bracket, so that the drilling platform has better integral strength, rigidity and stability;
4. the utility model discloses a put into the positioning hole and protect a section of thick bamboo as bearing structure by the location steel of concrete parcel under water, compare with traditional steel-pipe pile platform and shortened the time limit for a project greatly, saved the material simultaneously.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic plan view of an assembled drilling platform for a bare rock pile foundation in a reservoir area according to an embodiment of the present invention;
fig. 2 is a sectional view of the assembled drilling platform for the open rock pile foundation of the reservoir area in the embodiment shown in the elevation a-a;
fig. 3 is a B-B vertical sectional view of the fabricated drilling platform for the open rock pile foundation of the reservoir area according to the above embodiment;
FIG. 4 is a schematic structural view of the integral main beam of the above embodiment;
FIG. 5 is a schematic elevation view of the connecting mechanism in the above embodiment;
FIG. 6 is a schematic plan view of the connecting mechanism in the above embodiment;
fig. 7 is a schematic structural view of the steel hoop in the above embodiment;
fig. 8 is a schematic layout of a plurality of steel casing tubes in the above embodiment.
Description of reference numerals:
1. a hauling rope; 2. a float; 3. connecting the section steel with the beam; 4. a panel; 5. a longitudinal distribution beam; 6. a transverse distribution beam; 7. an integral main beam; 8. a bracket; 9. a gusset plate; 10. positioning a steel casing; 11. a railing; 12. a riverbed; 13. underwater concrete; 14. lifting lugs; 15. a horizontal stiffener plate; 16. a reinforcing plate; 17. circumferential ribs; 18. steel anchor ear; 19. a rubber sheet; 20. a hoop ear; 21. a high-strength bolt; 22. and (5) a steel casing.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-8, the utility model provides a reservoir area bare rock crowd pile foundation assembled drilling platform, include:
the drilling platform comprises four positioning steel casing cylinders 10, a drilling platform and a water surface, wherein the four positioning steel casing cylinders 10 are distributed at four corners of a preset installation area of the drilling platform, one end of any one positioning steel casing cylinder 10 is fixed below a riverbed 12, and the other end of the positioning steel casing cylinder vertically extends upwards out of the water surface;
the four connecting mechanisms correspond to the four positioning steel protective cylinders 10 one by one, and any one of the connecting mechanisms comprises a steel hoop 18 which is sleeved at one end, extending out of the water surface, of the corresponding positioning steel protective cylinder 10 and is detachably connected with the corresponding positioning steel protective cylinder; a plurality of brackets 8 fixed on the outer side wall of the steel hoop 18 at intervals along the circumferential direction;
the integral main beam 7 is of a planar frame structure sleeved on the outer sides of the four positioning steel casing cylinders 10, and the integral main beam 7 is supported on the plurality of brackets 8 and is fixedly connected with the brackets;
and the construction platform is arranged at the top of the integral main beam 7 and is not in contact with the four positioning steel casing cylinders 10.
In the above technical solution, the position distribution of the positioning steel casing 10 is set according to the size and shape of the drilling platform, the range and boundary of the drilling platform can be roughly determined by four positioning steel casings 10, and any positioning steel casing 10 is arranged perpendicular to the river bed 12. The position of the connecting mechanism on the steel casing 22 is set according to the real-time water level condition of the reservoir area, the connecting mechanism is higher than the water surface and serves as a reference point of the height, and the height of the construction platform arranged above the connecting mechanism needs to meet the requirement of facilitating drilling construction. Bracket 8 adopts shaped steel bracket 8, protect a section of thick bamboo 10 to connect as an organic wholely four location steel through welding integral girder 7 on shaped steel bracket 8, the construction platform passes through integral girder 7 steady bearing in the top of a plurality of brackets 8, coupling mechanism after the installation, integral girder 7 and construction platform become an overall structure, its fixed connection point who protects a section of thick bamboo 10 with the location steel is steel staple bolt 18, location steel protects a section of thick bamboo 10 and from supreme passing coupling mechanism, integral girder 7 and construction platform down in proper order, after loosening steel staple bolt 18, can wholly follow vertical direction (the direction of height of location steel protecting a section of thick bamboo) hoist and mount the removal with coupling mechanism, integral girder 7 and construction platform to the change of adaptation reservoir district water level (water level risees/water level reduction).
Besides the four positioning steel casing cylinders 10, a plurality of steel casing cylinders 22 to be constructed are preset on the drilling platform and distributed in a construction area formed by the four positioning steel casing cylinders 10 in a surrounding mode, when the integrated main beam 7 and the construction platform are designed and installed, the positions and the construction space of the plurality of steel casing cylinders 22 to be constructed need to be considered, a planar frame of the integrated main beam 7 surrounds the plurality of steel casing cylinders 22 and cannot occupy a space which is overlapped with the positions of the steel casing cylinders 22 on a plane, mounting holes can be preset in advance on the construction platform according to the set mounting positions of the steel casing cylinders 22, subsequent drilling construction can be directly conducted on the construction platform conveniently, and meanwhile, when the water level change is not influenced, hoisting equipment is used for changing the height positions of the construction platform and the integrated main beam 7 on the positioning steel casing cylinders 10.
The utility model discloses a location steel that the design can cooperate to embolia protects a section of thick bamboo and integral girder to protecting a section of thick bamboo at location steel and setting up detachable coupling mechanism as construction platform's support, adopting the integral girder of equipment integral hoisting and construction platform that lifts by crane, accomplishing drilling platform because of the position conversion that the water level changes by a wide margin and leads to, reached the great purpose of effective adaptation storehouse district construction water level variation range. Wherein, coupling mechanism, integral girder and construction platform adopt the prefabricated assembly construction completely, can prefabricate the back in advance and directly hoist to the job site and install, have shortened the time limit for a project greatly, have reduced the construction degree of difficulty to because the wholeness of integral girder is good, through welding it on the bracket, can make the location steel protect a section of thick bamboo and form a stable whole, let drilling platform have better bulk strength, rigidity and stability.
In another technical solution, the fabricated drilling platform for a foundation of bare rock pile group in a reservoir area, the connecting mechanism further includes: a gusset plate 9 disposed below the plurality of brackets 8 and connecting the bottoms of the plurality of brackets 8 and the outer side wall of the steel hoop 18; hoop rib 17, its edge the circumference of steel staple bolt 18 sets up and connects gradually a plurality of brackets 8 with the hoop ear 20 of steel staple bolt 18, hoop rib 17 a plurality of brackets 8 with the hoop ear 20 of steel staple bolt 18 forms annular closed structure jointly. The bracket 8 is welded on the upper part of the outer side wall of the steel hoop 18, the lower part of the outer side wall of the steel hoop 18 is provided with a gusset plate 9, the gusset plate 9 can be a plurality of gusset plates 9 which are in one-to-one correspondence with the plurality of brackets 8, and any gusset plate 9 is fixedly connected with the bottom of the corresponding bracket 8 and the lower part of the outer side wall of the steel hoop 18; the gusset plate 9 may also be a ring plate continuously provided around the circumference of the steel hoop 18, which simultaneously connects the bottoms of the plurality of corbels 8 with the lower portion of the outer sidewall of the steel hoop 18. The steel staple bolt 18 is two semicircular hoop plates, and the both ends of hoop plate outwards extend respectively and form hoop ear 20, connect and lock through high strength bolt 21 between two adjacent hoop ears 20, are provided with hoop rib 17 between hoop ear 20 and a plurality of bracket 8, make hoop ear 20 and adjacent bracket 8 between, connect through hoop rib 17 between the adjacent bracket 8 and form wholly, increased the joint strength between bracket and the steel staple bolt. Through setting up gusset plate 9 and hoop rib 17, effectively weakened the phenomenon of corbel and steel casing junction stress concentration for the corbel atress performance is good, has improved coupling mechanism's stress stability.
In another technical scheme, bare rock crowd's pile foundation assembled drilling platform in reservoir district, coupling mechanism still includes sheet rubber 19, and it establishes for the cover annular structure on location steel protects a section of thick bamboo 10 and fixes steel staple bolt 18's inboard. Therefore, the rubber sheet 19 is arranged between the steel hoop 18 and the positioning steel casing 10, so that the hoisting equipment can be conveniently used for adjusting the height of the construction platform, the integral main beam and the connecting mechanism as a whole after the steel hoop is loosened, and the steel hoop is prevented from deforming or damaging the positioning steel casing and the like due to collision and the like in the moving process.
In another technical scheme, the fabricated drilling platform for the open rock group pile foundation in the reservoir area comprises a plurality of transverse distribution beams 6 which are fixed on the top of an integral main beam 7 at intervals in parallel; a plurality of longitudinal distribution beams 5 fixed on the top of the plurality of transverse distribution beams 6 at intervals in parallel, wherein any longitudinal distribution beam 5 is vertical to any transverse distribution beam 6; and the panel 4 is laid on the tops of the plurality of longitudinal distribution beams 5, and a plurality of through holes are formed in the panel 4 and correspond to the plurality of steel casing 22 to be constructed one by one. Specifically, the lifting lugs 14 are respectively arranged at four corners of the integral main beam 7, so that the integral lifting equipment (hoisting equipment) is conveniently adopted for integral lifting and installation during construction. The through holes are mounting holes preset on the construction platform, so that the steel casing 22 can be conveniently constructed subsequently; in addition, when the transverse distribution beam 6 and the longitudinal distribution beam 5 are designed and installed, the positions and the construction space of a plurality of steel casing cylinders 22 to be constructed are also considered, and the transverse distribution beam 6 and the longitudinal distribution beam 5 surround the plurality of steel casing cylinders 22 and cannot occupy the space which is overlapped with the positions of the steel casing cylinders 22 on the plane. Through the structural design of the multilayer beam body, the pressure directly received during the construction on the panel 4 is effectively and evenly shared on the integral girder 7 in the below and the four positioning steel casing cylinders 10, so that the stress of the supporting structure is reasonable, and the stability of the drilling platform in the construction process is further ensured.
In another technical scheme, bare rock crowd's pile foundation assembled drilling platform in reservoir district, construction platform still includes railing 11, and it is followed the circumference of panel 4 is fixed the top edge of panel 4 can prevent effectively that personnel or equipment from dropping to the security when guaranteeing to carry out drilling construction on construction platform.
In another technical solution, the fabricated drilling platform for the foundation of bare rock grouped piles in the reservoir area further comprises a plurality of reinforcing plates 16 which are fixed on the outer side wall of the integral main beam 7 at intervals. Specifically, the integral main beam 7 is an integral equal-height main beam, a prefabricated assembly manufacturing method is adopted, all the sectional main beams are welded by adopting uniform-type section steel, joints are welded by adopting groove welding to ensure that all the sectional main beams are equal in height on the vertical surface, and a horizontal stiffening plate 15 is arranged at the joint of the main beams to ensure the stability of the connection strength of the sectional main beams at the joint. Meanwhile, the middle part of each section of main beam is also provided with a reinforcing plate 16, and the structural stability of the integral main beam is ensured in a local reinforcing mode.
In this embodiment, the step of constructing the fabricated drilling platform for the bare rock pile foundation in the reservoir area includes:
step one, building a floating platform near a preset installation area of a drilling platform: firstly, connecting a plurality of floating bodies 2 into a whole by using a section steel connecting beam 3 according to the design requirement to form a floating platform, and then connecting four corners of the floating platform with nearby fixed structures by using a traction rope 1 to ensure the stability of the platform; the nearby fixed structure can be an erected bridge fixed structure, a shoreside fixed structure or an independently arranged water fixed structure;
secondly, arranging punching and smashing equipment on the floating platform, and punching and smashing four positioning pits in sequence underwater by using the punching and smashing equipment according to the set positions of the four positioning steel protective cylinders 10; wherein, the riverbed 12 has no covering layer and is bare rock geology, and a positioning pit is formed by mechanical punching and smashing;
step three, sequentially installing the four positioning steel casing cylinders 10 in the four positioning pits, and pouring underwater concrete 13 between the bottom of any one positioning steel casing cylinder 10 and the corresponding positioning pit; after the positioning steel casing 10 is lowered to a designed position, pouring underwater concrete 13 between the outer side wall of the positioning steel casing 10 and the positioning pit, and enabling the positioning steel casing 10 to be wrapped by the underwater concrete to form a main body supporting structure of the drilling platform;
step four, respectively installing four connecting mechanisms to the same height position of the four positioning steel casing cylinders 10 in a low water level environment of the reservoir area, and locking the steel hoops 18;
step five, prefabricating and connecting the integral main beam 7 with a construction platform, lifting the integral main beam as a whole and then lowering the integral main beam to support the integral main beam on a plurality of brackets 8 of the four positioning steel casing cylinders 10, and fixedly connecting the integral main beam 7 with the plurality of brackets 8;
constructing a plurality of steel casing cylinders 22 on a construction platform according to the set positions of the plurality of steel casing cylinders 22 to be constructed, and performing drilling construction;
and step seven, when the water level of the reservoir area changes, loosening the steel hoop 18, integrally hoisting the integral main beam 7, the construction platform and the connecting mechanism, adjusting the position of the connecting mechanism on the positioning steel casing 10 according to the water level change and locking the steel hoop 18, and repeating the step six until the drilling construction is completed.
Specifically, nine steel protection cylinders to be constructed are preset and arranged in a grid shape and are numbered as the number of (i) -ninthly in sequence, wherein the number of (i), (iii), (c), and (ninthly) steel protection cylinders are set as positioning steel protection cylinders. The drilling machine is placed on a floating platform, firstly, a riverbed 12 below a designed pile position of the No. positioning steel casing is punched and hammered, a punching hammer with the diameter of 3m is adopted to pound a punching pit (namely a positioning pit) with the depth of about 5.5m, then the No. 2500 multiplied by 16 positioning steel casing 10 is placed downwards, and underwater concrete 13 is poured to wrap the No. positioning steel casing for positioning. The inserting and striking of the positioning steel guard cylinders are sequentially finished by the method, and the four positioning steel guard cylinders can not be simultaneously punched and struck. Any coupling mechanism includes four brackets evenly distributed at the steel staple bolt periphery. The bracket is made of 2HM588 multiplied by 300 section steel, and the bracket, the gusset plate, the stiffening rib and the steel hoop are transported to the site after being prefabricated together and are installed on the positioning steel casing as a connecting mechanism. The integral main beam is also of a prefabricated structure, the integral main beam 7 assembled with the longitudinal distribution beam 5, the transverse distribution beam 6, the panel 4 and the railing 11 is transported to the site, and hoisting equipment is used for integral hoisting. After the integral main beam is installed on a bracket of the positioning steel casing, the four positioning steel casings form a steel casing group capable of realizing self-stability, and the requirement of a drilling platform is met. After the drilling platform is completely erected, the construction of the rest steel casing cylinders (i, r, v) can be carried out, and then normal drilling construction is carried out. During construction, when the reservoir area enters a high water level period, the high-strength bolts 21 can be loosened, the connecting mechanism, the integral main beam and the construction platform are integrally hoisted, and normal construction can be continued after the steel anchor ear is installed again according to the construction height set by the high water level.
In the seventh step, when the reservoir water level rises to exceed the top end of the positioning steel casing 10, the four positioning steel casings 10 are connected high, then the steel hoop 18 is loosened, and the position of the connecting mechanism on the positioning steel casing 10 is adjusted. That is, when the rising of reservoir area water level surpassed the scope value in the plan, the extra external high location steel-pipe pile of needs to make drilling platform's altitude mixture control can satisfy the demand of real-time water level change, avoid influencing going on smoothly of drilling construction. In the process of heightening, the drilling platform (construction platform, integral main beam and the like) does not need to be dismantled firstly, and after the positioning steel pipe pile is heightened, the connecting mechanism can be normally hoisted and adjusted in position on the positioning steel pipe pile according to the original working mode, so that the larger-range height adjustment of the drilling platform can be realized.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides a reservoir bare rock crowd pile basis assembled drilling platform which characterized in that includes:
the drilling platform comprises four positioning steel casing cylinders, a drilling platform and a positioning steel casing, wherein the four positioning steel casing cylinders are distributed at four corners of a preset installation area of the drilling platform, one end of any one positioning steel casing cylinder is fixed below a riverbed, and the other end of the positioning steel casing cylinder vertically extends upwards out of the water surface;
the four connecting mechanisms correspond to the four positioning steel protective cylinders one by one, and any one connecting mechanism comprises a steel hoop which is sleeved at one end, extending out of the water surface, of the corresponding positioning steel protective cylinder and is detachably connected with the corresponding positioning steel protective cylinder; a plurality of brackets which are fixed on the outer side wall of the steel anchor ear at intervals along the circumferential direction of the steel anchor ear;
the integral main beam is of a planar frame structure sleeved on the outer sides of the four positioning steel protective cylinders, and is supported on the plurality of brackets and fixedly connected with the brackets;
and the construction platform is arranged at the top of the integral main beam and is not in contact with the four positioning steel casing cylinders.
2. The assembly drilling platform for foundation of bare rock mass piles in reservoir area according to claim 1, wherein the connection mechanism further comprises: the gusset plate is arranged below the brackets and is connected with the bottoms of the brackets and the outer side wall of the steel hoop; the hoop rib, its edge the circumference of steel staple bolt sets up and connects gradually a plurality of brackets with the hoop ear of steel staple bolt, the hoop rib a plurality of brackets with the hoop ear of steel staple bolt forms annular closed structure jointly.
3. The assembly type drilling platform for foundation of bare rock mass piles in reservoir area according to claim 1, wherein the connecting mechanism further comprises a rubber sheet which is an annular structure sleeved on the positioning steel casing and fixed at the inner side of the steel anchor ear.
4. The assembly type drilling platform for foundation of bare rock mass piles in reservoir area according to claim 1, wherein the construction platform comprises a plurality of transverse distribution beams fixed on the top of the integral main beam at intervals in parallel; the plurality of longitudinal distribution beams are fixed on the tops of the plurality of transverse distribution beams at intervals in parallel, and any longitudinal distribution beam is vertical to any transverse distribution beam; and the panel is laid on the tops of the plurality of longitudinal distribution beams, and is provided with a plurality of through holes which are in one-to-one correspondence with the plurality of steel casing cylinders to be constructed.
5. The assembly type drilling platform for foundation of bare rock mass piles in reservoir area according to claim 4, wherein the construction platform further comprises a railing fixed at the top edge of the panel along the circumferential direction of the panel.
6. The assembly drilling platform for foundation of bare rock mass piles in a reservoir area according to claim 1, further comprising a plurality of reinforcing plates fixed to outer sidewalls of the integral main beams at intervals.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114016538A (en) * | 2021-11-24 | 2022-02-08 | 周磊 | Shock attenuation self-balancing type offshore wind power generation unit group stake basis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016538A (en) * | 2021-11-24 | 2022-02-08 | 周磊 | Shock attenuation self-balancing type offshore wind power generation unit group stake basis |
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