CN114396049A - Reservoir shaft steel protects a cofferdam construction equipment - Google Patents
Reservoir shaft steel protects a cofferdam construction equipment Download PDFInfo
- Publication number
- CN114396049A CN114396049A CN202111472675.2A CN202111472675A CN114396049A CN 114396049 A CN114396049 A CN 114396049A CN 202111472675 A CN202111472675 A CN 202111472675A CN 114396049 A CN114396049 A CN 114396049A
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- steel
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- shaft
- casing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 137
- 239000010959 steel Substances 0.000 title claims abstract description 137
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 9
- 229910003460 diamond Inorganic materials 0.000 abstract description 3
- 239000010432 diamond Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000005553 drilling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B2035/002—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for inland waters, e.g. for use on canals or rivers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Earth Drilling (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention belongs to the technical field of hydraulic engineering, and particularly relates to a steel pile casing cofferdam construction device for a reservoir shaft, which comprises at least one power ship, wherein a lifting structure is arranged at the top of the power ship, a motor is arranged at the top of the lifting structure, a steel cover plate is arranged at the bottom of the motor, a steel pile casing is arranged at the bottom of the steel cover plate, and a latch is arranged at the top of the steel pile casing; according to the invention, through an underwater frogman, a circular gravure with the same outline as that of the steel casing is chiseled at the corresponding position of the rock base, a diamond drill bit is arranged on a cutting edge at the bottom of the steel casing and embedded into the circular gravure, then the positions of the steel casing and the steel cover plate are adjusted, so that a latch at the top of the steel casing is embedded into a clamping cover at the bottom of the steel cover plate, finally, a motor is started, and the steel casing is driven to cut the rock base by adjusting the sinking speed of a lifter and the rotating speed of the motor, so that the steel casing is installed quickly and safely.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to cofferdam construction equipment for a steel casing of a reservoir shaft.
Background
In the construction of water conservancy projects, bridge foundations and the like, steel casing is usually adopted in water as a cofferdam to form a temporary enclosure facility, so that water and soil are prevented from entering the position of a foundation pit of a building, and drainage, excavation of the foundation pit, building of the building and the like in the cofferdam are facilitated. When silt soft soil with lower strength is arranged at the water bottom, the steel casing can be pressed into the specified depth easily under the action of the self gravity of the steel casing and hammering or static pressure equipment on the tugboat.
However, in the construction of a vertical shaft of a reservoir, the bottom of the reservoir is often soft rock (such as tuff) with certain strength, on one hand, a steel casing is difficult to press into a specified depth by a traditional hammering or static pressure method, and on the other hand, construction hidden dangers such as inclination deviation of the steel casing and deformation of a casing body easily exist in the construction process, so that safety accidents are easily caused.
Therefore, it is necessary to provide a cofferdam construction equipment with a steel casing for a reservoir shaft to solve the above problems.
Disclosure of Invention
Aiming at the problems, the invention provides a construction device for a steel casing cofferdam of a reservoir shaft, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a reservoir shaft steel protects a cofferdam construction equipment, includes an at least power ship, power ship top is provided with elevation structure, the motor is installed at the elevation structure top, the motor bottom is provided with the steel apron, and the steel apron bottom is provided with the steel and protects a section of thick bamboo, the steel protects a section of thick bamboo top and is provided with the latch, the rolling disc bottom is provided with the card cover that cup joints and carry out the joint in the latch outside, and the uncovered setting in card cover bottom, card cover are circular-arcly, and the uncovered setting of part of the rotation direction front side of card cover.
Preferably, elevation structure includes the lift, and the lift top is provided with the support frame, and the motor is installed on the support frame, and the motor outside is provided with the solid fixed cylinder, and gu fixed cylinder front side and rear side all are provided with the back shaft, and the back shaft tip rotates to be connected on the support frame, gu fixed cylinder one side is provided with two and pushes away tight pneumatic cylinders, and is located back shaft top and bottom respectively.
Preferably, be provided with supplementary alignment mechanism between the output shaft of steel sheathing and motor, supplementary alignment mechanism includes roof and bottom plate, and the roof is installed in the output shaft bottom of motor, and bottom plate and steel sheathing fixed connection are provided with a plurality of coupling springs between roof and the bottom plate, and coupling spring inside is provided with the gag lever post and matches the spacing pipe that cup joints with the gag lever post.
Preferably, the both ends of bottom plate bottom all sliding connection have the cover fishplate bar that the mirror image set up, it has the L template to peg graft in cover fishplate bar bottom, cover fishplate bar top one side is provided with horizontal spring, is provided with vertical spring between L template top and the cover fishplate bar.
Preferably, the horizontal segment of L template is located a steel casing bottom, and the upper surface of the horizontal segment of L template includes inclined plane and horizontal plane, and the height on inclined plane diminishes towards a steel casing bottom center department gradually, and the inclined plane is closer to a steel casing bottom center department than the horizontal plane.
Preferably, a plurality of through holes are formed in the horizontal section of the L-shaped plate, the center line of each through hole is tangent to the side wall of the steel casing, and the diameter of the steel casing is reduced from the front side of the rotating direction to the rear side of the rotating direction.
Preferably, the support bracket at the rotating end of the support shaft extends outward to form an extension plate.
Preferably, when the connecting spring is stretched, the limiting rod is positioned outside the limiting pipe.
The invention has the technical effects and advantages that:
1. according to the invention, through an underwater frogman, a circular gravure with the same outline as that of a steel casing is chiseled at a corresponding position of a rock foundation, a power ship drags the manufactured steel casing to the corresponding position, the steel casing slowly sinks into water after being hoisted, a diamond drill bit is arranged on a cutting edge at the bottom of the steel casing and is embedded into the circular gravure, then the positions of the steel casing and a steel cover plate are adjusted, so that a latch at the top of the steel casing is embedded into a clamping cover at the bottom of the steel cover plate, and finally, in the process of enabling the steel casing to rotate by starting a motor, the steel casing is driven to cut the rock foundation to realize the installation of the steel casing by gradually adjusting the sinking speed of a lifter and the rotating speed of the motor, so that the quick and safe installation of the steel casing is realized;
2. the motor is movably arranged through the fixed cylinder and the supporting shaft, when the supporting frame is inclined, the motor can be ensured to be in a vertical state, and then the elongation of the two pushing hydraulic cylinders can be adjusted, so that the end parts of the two pushing hydraulic cylinders abut against the motor which is always in the vertical state, the motor can be ensured to be smoothly aligned with the vertical steel protecting cylinder, and the adaptability to different water areas is improved;
3. according to the invention, through the existence of the connecting spring, the connecting spring is in a stretching state, the connecting spring has an upward tension effect on the steel cover plate, a frogman can push up the steel cover plate, and the connecting spring has an upward tension effect on the steel cover plate, so that the steel cover plate is conveniently pushed up and horizontally pushed until the clamping cover is aligned with the clamping teeth, the steel cover plate is put down, and finally the power ship is adjusted in place;
4. the steel casing is lifted through the L-shaped plate, the vertical spring is in a stretching state at the moment, when the steel casing is lifted to the position above the circular gravure, the sleeve plate can be pushed to move transversely, the L-shaped plate is separated from the bottom of the steel casing, the vertical spring is restored to drive the L-shaped plate to ascend, the horizontal section of the L-shaped plate abuts against the side wall of the steel casing at the moment, the transverse spring can be stretched, then the steel casing falls into the circular gravure, finally the steel cover plate is adjusted to move downwards, the clamping cover is sleeved on the clamping teeth, then the L-shaped plate rotates along with the steel casing in the process of driving the steel casing to rotate and drill downwards, and the horizontal section of the L-shaped plate can stir the drilled stones near the steel casing to the direction far away from the steel casing, so that the stones are prevented from being left near the steel casing and influencing the drilling of the subsequent stones, and the smoothness of the drilling is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a steel casing cofferdam construction equipment for a reservoir shaft of the invention;
FIG. 2 is a schematic view of one of the angles of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is a front view of FIG. 1 of the present invention;
fig. 5 is a front cross-sectional view of a socket plate according to the present invention.
In the figure: the device comprises a power ship 1, an extension plate 2, a lifting structure 3, a lifter 31, a support frame 32, a motor 4, a steel cover plate 5, a steel casing 6, a latch 7, a clamping cover 8, a fixed cylinder 9, a support shaft 10, a pushing hydraulic cylinder 11, an auxiliary alignment mechanism 12, a top plate 121, a bottom plate 122, a connecting spring 123, a limiting rod 124, a limiting pipe 125, a sleeving plate 13, an L-shaped plate 14, a transverse spring 15, a vertical spring 16 and a through hole 17.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention;
in the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The invention provides a steel protective cylinder cofferdam construction device for a reservoir shaft, which comprises at least one power ship 1, wherein a lifting structure 3 is arranged at the top of the power ship 1, a motor 4 is arranged at the top of the lifting structure 3, a steel cover plate 5 is arranged at the bottom of the motor 4, a steel protective cylinder 6 is arranged at the bottom of the steel cover plate 5, a latch 7 is arranged at the top of the steel protective cylinder 6, a clamping cover 8 which is sleeved outside the latch 7 for clamping is arranged at the bottom of a rotating disc, the bottom of the clamping cover 8 is provided with an opening, the clamping cover 8 is arc-shaped, and part of the front side of the rotating direction of the clamping cover 8 is provided with an opening.
When the steel casing 6 is installed, firstly, a round gravure with the same outline as the outer contour line of the steel casing 6 is chiseled at the corresponding position of a rock foundation through an underwater frogman at the position needing to be installed, the manufactured steel casing 6 is dragged to the corresponding position by the power ship 1, the steel casing 6 is hoisted and slowly sunk into water, a diamond bit is arranged on a cutting edge at the bottom of the steel casing 6 and can be embedded into the round gravure, then, the positions of the steel casing 6 and the steel cover plate 5 are adjusted, so that a clamping tooth 7 at the top of the steel casing 6 is embedded into a clamping cover 8 at the bottom of the steel cover plate 5, and finally, in the process of enabling the steel casing 6 to rotate by starting the motor 4, the steel casing 6 is driven to cut the rock foundation to realize the installation of the steel casing 6 gradually by adjusting the sinking speed of the lifting machine 31 and the drilling speed of the motor 4, so as to realize the quick and safe installation of the steel casing 6; wherein, two power boats 1 are provided, which can increase the stability during the installation process.
Referring to the attached drawings 1-2 of the specification, the lifting structure 3 comprises a lifter 31, a support frame 32 is arranged at the top of the lifter 31, a motor 4 is mounted on the support frame 32, a fixed cylinder 9 is arranged outside the motor 4, support shafts 10 are arranged on the front side and the rear side of the fixed cylinder 9, the end portions of the support shafts 10 are rotatably connected to the support frame 32, and two pushing hydraulic cylinders 11 are arranged on one side of the fixed cylinder 9 and are respectively located at the top and the bottom of the support shafts 10.
When the steel pile casing 6 is constructed in a running water river, particularly when a river with small width is constructed, the two power ships 1 cannot be transversely arranged side by side at the moment and can only be arranged in tandem according to the flow direction of the river, at the moment, the two power ships 1 are different in height, so that the motor 4 is movably arranged through the fixed cylinder 9 and the supporting shaft 10, when the supporting frame 32 is inclined, the motor 4 can be ensured to be in a vertical state, the extension amounts of the two pushing hydraulic cylinders 11 can be adjusted later, the end parts of the two pushing hydraulic cylinders 11 are enabled to abut against the motor 4 which is always in the vertical state, the motor 4 can be ensured to be smoothly aligned with the vertical steel pile casing 6, and the adaptability to different water areas is improved.
Referring to fig. 1-3 of the specification, an auxiliary alignment mechanism 12 is disposed between the steel cover plate 5 and the output shaft of the motor 4, the auxiliary alignment mechanism 12 includes a top plate 121 and a bottom plate 122, the top plate 121 is mounted at the bottom of the output shaft of the motor 4, the bottom plate 122 is fixedly connected to the steel cover plate 5, a plurality of connecting springs 123 are disposed between the top plate 121 and the bottom plate 122, a limiting rod 124 and a limiting pipe 125 sleeved with the limiting rod 124 in a matching manner are disposed inside the connecting springs 123, and when the connecting springs 123 are stretched, the limiting rod 124 is located outside the limiting pipe 125.
When the clamping cover 8 at the bottom of the steel cover plate 5 is close to and aligned with the clamping teeth 7 at the top of the steel protective cylinder 6, because of the existence of the auxiliary alignment mechanism 12, because the connecting spring 123 is in an extension state under the action of the gravity of the steel cover plate 5, the supporting frame 32 is driven downwards by the lifter 31, when the steel cover plate 5 contacts the top of the steel protective cylinder 6 which is already placed in the circular gravure, if the clamping teeth 7 are not aligned with the clamping cover 8, because of the existence of the connecting spring 123 and the connecting spring 123 is in the extension state, the connecting spring 123 has an upward tension effect on the steel cover plate 5, a frogman can push up the steel cover plate 5 and conveniently push up the steel cover plate 5 together with the upward tension effect of the connecting spring 123 on the steel cover plate 5, and horizontally push the steel cover plate 5 until the clamping cover 8 is aligned with the clamping teeth 7, the steel cover plate 5 can be put down, and finally the power ship 1 can be adjusted in place, in the process of adjusting the horizontal movement of the power ship 1, the connection spring 123 can be bent to avoid tilting of the steel casing 6 until the position limiting pipe 125 is sleeved on the position limiting rod 124 in the process of pressing down, and adjustment of the position of the power ship 1 can be stopped.
Referring to the attached drawings 3-5 in the specification, both ends of the bottom plate 122 are slidably connected with socket plates 13 arranged in a mirror image mode, the bottom of the socket plate 13 is inserted with an L-shaped plate 14, one side of the top end of the socket plate 13 is provided with a transverse spring 15, and a vertical spring 16 is arranged between the top end of the L-shaped plate 14 and the socket plate 13.
The steel casing 6 can be lifted through the L-shaped plate 14, the vertical spring 16 is in a stretching state, and after the steel casing 6 is lifted to the upper part of the circular gravure, the sleeving plate 13 can be pushed to move transversely, so that the L-shaped plate 14 is separated from the bottom of the steel casing 6, the vertical spring 16 is restored to drive the L-shaped plate 14 to ascend, the horizontal section of the L-shaped plate 14 abuts against the side wall of the steel casing 6, the transverse spring 15 can be stretched, then the steel casing 6 falls into the circular gravure, finally the steel cover plate 5 is adjusted to move downwards, the clamping cover 8 is sleeved on the clamping teeth 7, then in the process of driving the steel casing 6 to rotate and drill downwards, the L-shaped plate 14 rotates along with the L-shaped plate, the horizontal section of the L-shaped plate 14 can shift the drilled stone blocks near the steel casing 6 to the direction far away from the steel casing 6, the rock can be prevented from being left near the steel casing 6, so that the follow-up rock drilling is influenced, and the smoothness of drilling is ensured.
Referring to the attached figure 5 of the specification, the horizontal section of the L-shaped plate 14 is positioned at the bottom of the steel casing 6, the upper surface of the horizontal section of the L-shaped plate 14 comprises an inclined surface and a horizontal surface, the height of the inclined surface gradually becomes smaller towards the center of the bottom of the steel casing 6, and the inclined surface is closer to the center of the bottom of the steel casing 6 than the horizontal surface.
The inclined plane can conveniently insert the L-shaped plate 14 into the bottom of the steel casing 6 before hoisting, and the horizontal plate plays a supporting role for the steel casing 6.
Referring to the attached drawings 3 and 5 in the specification, a plurality of through holes 17 are formed in the horizontal section of the L-shaped plate 14, the center lines of the through holes 17 are tangent to the side wall of the steel casing 6, and the diameter of the steel casing 6 is reduced from the front side in the rotating direction to the rear side in the rotating direction.
The through holes 17 allow soil to pass through, while larger stones are filtered and are pulled by the L-shaped plates 14 to be far away from the steel casing 6, so that the resistance of the L-shaped plates 14 in the rotating process can be reduced.
Referring to fig. 1 of the specification, the support bracket 32 at the rotating end of the support shaft 10 extends outward to form an extension plate 2.
The extension plate 2 can increase the strength of the support frame 32 at the motor 4, preventing the support frame 32 from being deformed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a reservoir shaft steel protects a cofferdam construction equipment which characterized in that: including an at least power ship (1), power ship (1) top is provided with elevation structure (3), motor (4) are installed at elevation structure (3) top, motor (4) bottom is provided with steel apron (5), and steel apron (5) bottom is provided with steel and protects a section of thick bamboo (6), steel protects a section of thick bamboo (6) top and is provided with latch (7), the rolling disc bottom is provided with cup joints card cover (8) that carry out the joint in latch (7) outside, and uncovered setting in card cover (8) bottom, and card cover (8) are circular-arcly, and the uncovered setting of part of the rotation direction front side of card cover (8).
2. The construction equipment for steel pile casing cofferdam of reservoir shaft of claim 1, wherein: lifting structure (3) are including lift (31), and lift (31) top is provided with support frame (32), and motor (4) are installed on support frame (32), and the motor (4) outside is provided with solid fixed cylinder (9), and gu fixed cylinder (9) front side and rear side all are provided with back shaft (10), and back shaft (10) tip rotates to be connected on support frame (32), gu fixed cylinder (9) one side is provided with two and pushes away tight pneumatic cylinder (11), and is located back shaft (10) top and bottom respectively.
3. The construction equipment for steel pile casing cofferdam of reservoir shaft of claim 1, wherein: be provided with supplementary alignment mechanism (12) between the output shaft of steel cover plate (5) and motor (4), supplementary alignment mechanism (12) are including roof (121) and bottom plate (122), and the output shaft bottom at motor (4) is installed in roof (121), bottom plate (122) and steel cover plate (5) fixed connection, are provided with a plurality of coupling spring (123) between roof (121) and bottom plate (122), and coupling spring (123) inside is provided with gag lever post (124) and spacing pipe (125) that cup joints with gag lever post (124) matching.
4. The construction equipment for steel pile casing cofferdam of reservoir shaft of claim 3, wherein: the improved structure is characterized in that two ends of the bottom plate (122) are both connected with a sleeved connection plate (13) in a sliding mode, the bottoms of the sleeved connection plates (13) are connected with L-shaped plates (14) in an inserting mode, one side of the top end of each sleeved connection plate (13) is provided with a transverse spring (15), and a vertical spring (16) is arranged between the top end of each L-shaped plate (14) and each sleeved connection plate (13).
5. The construction equipment of the steel pile casing cofferdam for the vertical shaft of the reservoir of claim 4, wherein: the horizontal segment of L template (14) is located steel and protects a section of thick bamboo (6) bottom, and the upper surface of the horizontal segment of L template (14) includes inclined plane and horizontal plane, and the height on inclined plane diminishes to steel protects a section of thick bamboo (6) bottom center department gradually, and the inclined plane protects a section of thick bamboo (6) bottom center department more closely than the horizontal plane.
6. The construction equipment of the steel pile casing cofferdam for the vertical shaft of the reservoir of claim 4, wherein: a plurality of through holes (17) are formed in the horizontal section of the L-shaped plate (14), the center line of each through hole (17) is tangent to the side wall of the steel casing (6), and the diameter of the steel casing (6) is reduced from the front side of the rotating direction to the rear side of the rotating direction.
7. The construction equipment for steel pile casing cofferdam of reservoir shaft of claim 2, characterized in that: the support frame (32) at the rotating end of the support shaft (10) extends outwards to form an extension plate (2).
8. The construction equipment for steel pile casing cofferdam of reservoir shaft of claim 3, wherein: when the connecting spring (123) is stretched, the limiting rod (124) is positioned outside the limiting pipe (125).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111472675.2A CN114396049B (en) | 2021-12-06 | 2021-12-06 | Construction equipment for steel casing cofferdam of reservoir vertical shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111472675.2A CN114396049B (en) | 2021-12-06 | 2021-12-06 | Construction equipment for steel casing cofferdam of reservoir vertical shaft |
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| Publication Number | Publication Date |
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| CN114396049A true CN114396049A (en) | 2022-04-26 |
| CN114396049B CN114396049B (en) | 2024-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111472675.2A Active CN114396049B (en) | 2021-12-06 | 2021-12-06 | Construction equipment for steel casing cofferdam of reservoir vertical shaft |
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