CN114960671B - Foundation pit collapse-preventing supporting structure for building construction - Google Patents
Foundation pit collapse-preventing supporting structure for building construction Download PDFInfo
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- CN114960671B CN114960671B CN202210614587.XA CN202210614587A CN114960671B CN 114960671 B CN114960671 B CN 114960671B CN 202210614587 A CN202210614587 A CN 202210614587A CN 114960671 B CN114960671 B CN 114960671B
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- rod
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- shaped frame
- foundation pit
- rotating
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 58
- 238000009435 building construction Methods 0.000 title claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000002265 prevention Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 7
- 238000005056 compaction Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a collapse-preventing supporting structure of a foundation pit for building construction, which comprises a base and a support column, wherein the support column is fixedly arranged at the bottom end of the base, a puncture part is arranged at the bottom end of the support column, a threaded rod is rotatably arranged at the upper end of the base, a driving motor is fixedly arranged at the bottom end of the base, an output shaft of the driving motor is fixedly connected with the bottom end of the threaded rod, a movable nut is arranged on the threaded rod, a first guide rod is fixedly arranged on the base, and the first guide rod penetrates through the movable nut and is in sliding connection with the movable nut. According to the invention, the rolling mechanism is arranged, so that when the inner wall of the foundation pit is supported, the rolling roller is firstly utilized to perform rotary motion along the inner wall of the foundation pit, thereby rolling the inner wall of the foundation pit, increasing the integral compressive strength of the foundation pit, and then the upper supporting plate and the lower supporting plate are utilized to support the inner wall of the foundation pit, so that the supporting effect of the foundation pit is good and the stability is high.
Description
Technical Field
The invention relates to the technical field related to building construction, in particular to a foundation pit collapse prevention supporting structure for building construction.
Background
The building engineering refers to engineering entities formed by building various house buildings and auxiliary facilities thereof and installing and moving matched lines, pipelines and equipment; in some construction projects, foundation pits are required to be opened in advance, and in order to ensure personnel safety and prevent the foundation pits from collapsing, supporting devices are required to be arranged after the foundation pits are completed so as to prevent the collapse phenomenon of the foundation pits.
The current foundation ditch especially circular foundation ditch supports the backplate and supports the foundation ditch inner wall when supporting, and it is not good to support the effect to support the backplate in most singleness simultaneously, and the foundation ditch before supporting, do not carry out compaction work to its inner wall for soil block on the foundation ditch inner wall drops easily, makes its self compressive effect not good, thereby it is not good to lead to supporting effect, stability is not high, and current supporting structure installs comparatively trouble, because the foundation ditch inner wall is different with ground angle, it is complicated to need make different supporting structure, the operation is complicated, inconvenient use, need improve.
Disclosure of Invention
The invention aims to provide a collapse-preventing supporting structure for a foundation pit for building construction, which aims to solve the technical problems.
The invention aims to solve the technical problems, and is realized by adopting the following technical scheme: the utility model provides a foundation ditch anti-collapse supporting construction for construction, includes base and pillar, pillar fixed mounting is in the base bottom, the pillar bottom is equipped with puncture part, the base upper end rotates installs the threaded rod, base bottom fixed mounting has driving motor, driving motor's output shaft and threaded rod bottom fixed connection, be equipped with the removal nut on the threaded rod, fixed mounting has first guide bar on the base, first guide bar runs through the removal nut and with removal nut sliding connection, the cover is equipped with the bearing housing on the removal nut, the outside fixed cover of bearing housing is equipped with the rotation cover, fixed mounting has the U-shaped frame on the rotation cover lateral wall, the inside rolling mechanism that is equipped with of U-shaped frame, U-shaped frame one side is connected with backup pad and lower backup pad, go up backup pad and U-shaped frame swing joint, just upward backup pad one side is equipped with angle adjustment mechanism, lower backup pad and U-shaped frame fixed connection;
the rolling mechanism comprises a sleeve which is slidably arranged in the U-shaped frame, both ends of the sleeve are fixedly connected with a fixed cylinder, the top end of the fixed cylinder is slidably connected with a chute arranged in the U-shaped frame, the bottom end of the fixed cylinder penetrates through a through groove arranged on the U-shaped frame and is slidably connected with the through groove, a rolling roller is sleeved on the sleeve, and the rolling roller is rotatably connected with the sleeve;
two electric push rods are arranged in the U-shaped frame, and the extension ends of the two electric push rods are fixedly connected with the two ends of the sleeve respectively;
the top end of the threaded rod is fixedly connected with a rotating disc, the lower surface of the rotating disc is fixedly connected with a first telescopic rod, the extension end of the first telescopic rod is fixedly connected with the inner wall of the rotating sleeve, the hydraulic cylinder is fixedly installed on the side wall of the rotating sleeve, the extending end of the hydraulic cylinder is fixedly connected with the side wall of the U-shaped frame, and a second telescopic rod is fixedly connected between the rotating sleeve and the U-shaped frame.
As a further preferable mode of the technical scheme, one side of the rolling roller is provided with a U-shaped cleaning rod, one side of the U-shaped cleaning rod is fixedly provided with a cleaning brush, the cleaning brush is in contact with the side wall of the rolling roller, and two ends of the U-shaped cleaning rod are fixedly connected with two ends of the sleeve respectively.
As a further preferable mode of the technical scheme, the angle adjusting mechanism comprises a transmission screw rod rotatably arranged at the upper end of the U-shaped frame, a screw rod nut is arranged on the transmission screw rod, a second guide rod is fixedly arranged at the upper end of the U-shaped frame and penetrates through the screw rod nut and is in sliding connection with the screw rod nut, a supporting rod is movably connected onto the screw rod nut, and one end of the supporting rod is movably connected with one side of the upper supporting plate.
As the further preferred of this technical scheme, the transmission lead screw bottom extends to the inside square cover of fixedly connected with of cavity that sets up of U-shaped frame, cavity and the inside intercommunication of spout, the telescopic inside rotation is installed the dwang, dwang top fixedly connected with and square cover matched square piece.
As a further preferable mode of the technical scheme, the fixed ring is arranged in the sleeve, the rotating rod penetrates through the fixed ring, the diameter of the rotating rod is smaller than the inner diameter of the fixed ring, the limiting disc is fixedly sleeved on the rotating rod, and the diameter of the limiting disc is larger than the inner diameter of the fixed ring.
As a further preferable mode of the technical scheme, one end of the rotating rod extends to the lower portion of the U-shaped frame and is fixedly connected with a handle, the end portion of the fixed cylinder, which is located below the U-shaped frame, is rotationally connected with a fixed disc, and a compression spring is connected between the fixed disc and the handle.
As a further preferable mode of the technical scheme, two U-shaped frames are arranged, and the two U-shaped frames are identical in structure and symmetrically arranged.
The beneficial effects of the invention are as follows:
1. according to the invention, the rolling mechanism is arranged, when the inner wall of the foundation pit is supported, the rolling roller is pushed out of the U-shaped frame by the electric push rod, then the U-shaped frame is pushed to be close to the inner wall of the foundation pit by the extension of the hydraulic cylinder, so that the rolling roller is abutted against the inner wall of the foundation pit, then the driving motor is started to work and drive the screw to rotate, and meanwhile, the rotating disc rotates to drive the rotating sleeve to synchronously rotate, so that the rolling roller can rotate along the inner wall of the foundation pit, the inner wall of the foundation pit can be rolled, the integral compressive strength of the foundation pit is increased, and the stability of later support is conveniently improved.
2. According to the invention, the U-shaped frames are connected with the rotating sleeve through the hydraulic cylinder, the rotating sleeve is rotationally connected with the movable nut, when the threaded rod rotates, the movable nut is driven to move upwards or downwards along the threaded rod, and simultaneously the two U-shaped frames are driven to synchronously move, so that the U-shaped frames can move upwards and downwards while rotating, the inner wall of a foundation pit can be comprehensively compacted, and the compressive strength of the foundation pit is increased.
3. According to the invention, the U-shaped cleaning rod is arranged in the U-shaped frame, so that the cleaning brush on the U-shaped cleaning rod can be used for cleaning the soil adhered on the side wall of the grinding roller, and the compaction effect on the inner wall of the foundation pit is prevented from being influenced due to the fact that more soil adheres on the grinding roller.
4. According to the invention, the upper support plate and the lower support plate are arranged, after rolling is finished, the rolling roller can be contracted into the U-shaped frame by using the electric push rod, the inner wall of the foundation pit is abutted and fixed by using the upper support plate and the lower support plate, and the angle adjusting mechanism is arranged on one side of the upper support plate, so that when the supporting angle of the upper support plate needs to be adjusted, the screw rod nut can be moved by rotating the transmission screw rod, the angle of the support rod is adjusted, the upper support plate can be abutted by using the support rod, the supporting angle of the upper support plate can be adjusted, the inclination angle of the side wall of the actual foundation pit can be adapted, the adaptability is higher, and the supporting effect on the foundation pit is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a U-shaped frame structure of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 4 in accordance with the present invention;
reference numerals: 1. a base; 2. a support post; 3. a driving motor; 4. a rotating sleeve; 5. a rotating disc; 6. a first telescopic rod; 7. an upper support plate; 8. a lower support plate; 9. a roller; 10. a hydraulic cylinder; 11. a second telescopic rod; 12. a threaded rod; 13. a first guide bar; 14. moving the nut; 15. a bearing sleeve; 16. a sleeve; 17. a support rod; 18. a transmission screw rod; 19. a U-shaped cleaning lever; 20. an electric push rod; 21. a fixed cylinder; 22. a handle; 23. a compression spring; 24. a second guide bar; 25. a screw nut; 26. a rotating lever; 27. a chute; 28. a square sleeve; 29. square blocks; 30. a limiting disc; 31. a fixing ring; 32. cleaning a brush; 33. a through groove; 34. a fixed plate; 35. u-shaped frame.
Description of the embodiments
In order that the manner in which the above recited features, objects and advantages of the present invention are obtained, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Examples
As shown in fig. 1, fig. 2 and fig. 3, the foundation pit collapse prevention supporting structure for building construction of this embodiment includes a base 1 and a pillar 2, the pillar 2 is fixedly installed at the bottom end of the base 1, the bottom end of the pillar 2 is provided with a piercing member, the upper end of the base 1 is rotatably installed with a threaded rod 12, the bottom end of the base 1 is fixedly installed with a driving motor 3, an output shaft of the driving motor 3 is fixedly connected with the bottom end of the threaded rod 12, a moving nut 14 is arranged on the threaded rod 12, a first guide rod 13 is fixedly installed on the base 1, the first guide rod 13 penetrates through the moving nut 14 and is slidably connected with the moving nut 14, a bearing sleeve 15 is sleeved on the moving nut 14, a rotating sleeve 4 is fixedly sleeved outside the bearing sleeve 15, a U-shaped frame 35 is fixedly installed on the side wall of the rotating sleeve 4, a rolling mechanism is arranged inside the U-shaped frame 35, one side of the U-shaped frame 35 is connected with an upper support plate 7 and a lower support plate 8, the upper support plate 7 is movably connected with the U-shaped frame 35, an angle adjusting mechanism is arranged on one side of the upper support plate 7, and the lower support plate 8 is fixedly connected with the U-shaped frame 35; the two U-shaped frames 35 are arranged, and the two U-shaped frames 35 are identical in structure and symmetrically arranged.
The rolling mechanism comprises a sleeve 16 which is slidably arranged in a U-shaped frame 35, two ends of the sleeve 16 are fixedly connected with a fixed cylinder 21, the top end of the fixed cylinder 21 is slidably connected with a chute 27 formed in the U-shaped frame 35, the bottom end of the fixed cylinder 21 penetrates through a through groove 33 formed in the U-shaped frame 35 and is slidably connected with the through groove 33, a rolling roller 9 is sleeved on the sleeve 16, the rolling roller 9 is rotatably connected with the sleeve 16, two electric push rods 20 are arranged in the U-shaped frame 35, and the extending ends of the two electric push rods 20 are fixedly connected with two ends of the sleeve 16 respectively; the electric push rod 20 can be used for extending to push the sleeve 16 to move, so that the fixed cylinder 21 can extend to the sliding groove 27 and the through groove 33 to move, and one side of the grinding roller 9 extends to the outside of the U-shaped frame 35;
the top end of the threaded rod 12 is fixedly connected with a rotating disc 5, the lower surface of the rotating disc 5 is fixedly connected with a first telescopic rod 6, the extending end of the first telescopic rod 6 is fixedly connected with the inner wall of the rotating sleeve 4, a hydraulic cylinder 10 is fixedly installed on the side wall of the rotating sleeve 4, the extending end of the hydraulic cylinder 10 is fixedly connected with the side wall of the U-shaped frame 35, and a second telescopic rod 11 is fixedly connected between the rotating sleeve 4 and the U-shaped frame 35; the rotating disc 5 can be driven to rotate while the threaded rod 12 rotates, the rotating sleeve 4 is driven to synchronously rotate by the first telescopic rod 6 when the rotating disc 5 rotates, the hydraulic cylinder 10 on the rotating sleeve 4 extends and pushes the U-shaped frame 35 to approach the inner wall of the foundation pit, the side wall of the rolling roller 9 on the U-shaped frame 35 is abutted against the inner wall of the foundation pit, the U-shaped frame 35 can be utilized to synchronously rotate along with the rotating sleeve 4 at the moment, the rolling roller 9 can be further enabled to rotate along the inner wall of the foundation pit, compaction work is carried out on the inner wall of the foundation pit, and the compression strength of the foundation pit is improved;
when the support structure is in operation, the support structure can be integrally placed in a foundation pit, a puncture part at the bottom end of the support column 2 is inserted into the ground for fixation, and then the electric push rod 20 is used for extending and pushing the sleeve 16 to move, so that the fixed cylinder 21 extends the sliding groove 27 and the through groove 33 to move, and one side of the grinding roller 9 extends to the outside of the U-shaped frame 35; then the hydraulic cylinder 10 is used for extending and pushing the U-shaped frame 35 to approach the inner wall of the foundation pit, so that the side wall of the rolling roller 9 on the U-shaped frame 35 is abutted against the inner wall of the foundation pit, then the driving motor 3 is started to work, the driving motor 3 works to drive the threaded rod 12 to rotate, the threaded rod 12 rotates and simultaneously enables the movable nut 14 to move, the movable nut 14 moves upwards or downwards along the guide rod, and the U-shaped frame 35 can be driven to synchronously move through the rotating sleeve 4; the threaded rod 12 rotates and can drive the rotating disc 5 to rotate, and the rotating disc 5 drives the rotating sleeve 4 to synchronously rotate through the first telescopic rod 6 when rotating, so that the U-shaped frame 35 can synchronously rotate, and the inner wall of the foundation pit is rolled by the rolling roller 9 on the U-shaped frame 35, so that the strength of the foundation pit is improved.
Examples
As shown in fig. 4 and 5, in the case where the other portions are the same as in embodiment 1, this embodiment differs from embodiment 1 in that: a U-shaped cleaning rod 19 is arranged on one side of the grinding roller 9, a cleaning brush 32 is fixedly arranged on one side of the U-shaped cleaning rod 19, the cleaning brush 32 is contacted with the side wall of the grinding roller 9, and two ends of the U-shaped cleaning rod 19 are fixedly connected with two ends of a sleeve 16 respectively;
working principle: during operation, when rolling roller 9 rotates and rolls the during operation to the foundation ditch inner wall, can utilize cleaning brush 32 and roll roller 9 lateral wall contact, can utilize cleaning brush 32 to brush the earth of adhesion on the roll roller 9 and fall, clear up roll roller 9, avoid influencing the compaction effect to the foundation ditch inner wall because of the more earth of adhesion on roll roller 9, guarantee roll roller 9 to roll effectually to the foundation ditch inner wall.
Examples
As shown in fig. 4, 5 and 6, in the case where the other portions are the same as in embodiment 1, this embodiment differs from embodiment 1 in that: the angle adjusting mechanism comprises a transmission screw rod 18 rotatably arranged at the upper end of a U-shaped frame 35, a screw rod nut 25 is arranged on the transmission screw rod 18, a second guide rod 24 is fixedly arranged at the upper end of the U-shaped frame 35, the second guide rod 24 penetrates through the screw rod nut 25 and is in sliding connection with the screw rod nut 25, a supporting rod 17 is movably connected on the screw rod nut 25, and one end of the supporting rod 17 is movably connected with one side of the upper supporting plate 7; the screw nut 25 can be moved by driving the transmission screw 18 to rotate and driving the screw nut 25 to move upwards along the second guide rod 24, so that the supporting angle of the supporting rod 17 is changed, the supporting rod 17 is utilized to push the upper supporting plate 7 to incline, the inclination angle of the side wall of the practical foundation pit is adapted, the adaptability is stronger, and the supporting effect is better.
The bottom end of the transmission screw rod 18 extends to a square sleeve 28 fixedly connected in a cavity formed in the U-shaped frame 35, the cavity is communicated with the inside of the sliding groove 27, a rotating rod 26 is rotatably arranged in the sleeve 16, a square block 29 matched with the square sleeve 28 is fixedly connected to the top end of the rotating rod 26, when the transmission screw rod 18 needs to be driven to rotate, the sleeve 16 can be moved to the lower part of the cavity, when the rotating rod 26 is pushed upwards, the square block 29 is inserted into the square sleeve 28, and then the rotating rod 26 is driven to rotate, so that the transmission screw rod 18 can rotate;
the sleeve 16 is internally provided with a fixed ring 31, the rotating rod 26 penetrates through the fixed ring 31, the diameter of the rotating rod 26 is smaller than the inner diameter of the fixed ring 31, the rotating rod 26 is fixedly sleeved with a limiting disc 30, and the diameter of the limiting disc 30 is larger than the inner diameter of the fixed ring 31; the rotating rod can slide in the fixed ring 31, and meanwhile, the limiting disc 30 can limit the rotating rod 26, so that the rotating rod 26 is prevented from sliding outside the sleeve 16;
one end of the rotating rod 26 extends to the lower part of the U-shaped frame 35 and is fixedly connected with a handle 22, the end part of the fixed cylinder 21 positioned below the U-shaped frame 35 is rotatably connected with a fixed disc 34, and a compression spring 23 is connected between the fixed disc 34 and the handle 22; the compression spring 23 can be compressed by pushing the handle 22 upward, and simultaneously the rotating rod 26 moves upward to insert the square block 29 into the square sleeve 28, and then the handle 22 is rotated, so that the rotating rod 26 can be rotated synchronously.
When the rolling roller 9 is stored in the U-shaped frame 35, the inner wall of the foundation pit can be supported by the upper supporting plate 7 and the lower supporting plate 8, when the supporting angle of the upper supporting plate 7 needs to be adjusted, the handle 22 can be pushed upwards, the compression spring 23 is compressed, meanwhile, the rotating rod 26 moves upwards to insert the square block 29 into the square sleeve 28, then the handle 22 is rotated, the rotating rod 26 can be rotated synchronously, the square sleeve 28 is driven to rotate by the square block 29, the transmission screw 18 can be rotated synchronously, the screw nut 25 is driven to move by the rotation of the transmission screw 18, the screw nut 25 can move upwards along the second guiding rod 24, the supporting angle of the supporting rod 17 can be changed, the upper supporting plate 7 is pushed by the supporting rod 17 to incline, the inclination angle of the practical side wall of the foundation pit can be adapted, the adaptability is stronger, and the supporting effect is better.
Working principle: the whole supporting structure is placed inside a foundation pit, a puncture part at the bottom end of a support column 2 is inserted into the ground for fixation, and then an electric push rod 20 is used for extending and pushing a sleeve 16 to move, so that a fixed cylinder 21 extends a sliding groove 27 and a through groove 33 to move, and one side of a grinding roller 9 extends to the outside of a U-shaped frame 35; then the hydraulic cylinder 10 is used for extending and pushing the U-shaped frame 35 to approach the inner wall of the foundation pit, so that the side wall of the rolling roller 9 on the U-shaped frame 35 is abutted against the inner wall of the foundation pit, then the driving motor 3 is started to work, the driving motor 3 works to drive the threaded rod 12 to rotate, the threaded rod 12 rotates and simultaneously enables the movable nut 14 to move, the movable nut 14 moves upwards or downwards along the guide rod, and the U-shaped frame 35 can be driven to synchronously move through the rotating sleeve 4; the threaded rod 12 can drive the rotating disc 5 to rotate while rotating, the rotating disc 5 drives the rotating sleeve 4 to synchronously rotate through the first telescopic rod 6 while rotating, so that the U-shaped frame 35 can synchronously rotate, the inner wall of the foundation pit is rolled by the rolling roller 9 on the U-shaped frame 35, and the foundation pit can be comprehensively rolled by moving up and down while rolling, the rolling area is large, the compaction effect is good, and the strength of the foundation pit can be improved;
in the rolling process, the cleaning brush 32 can be used for contacting with the side wall of the rolling roller 9, the cleaning brush 32 can be used for brushing off the soil adhered on the rolling roller 9, the rolling roller 9 is cleaned, the compaction effect on the inner wall of the foundation pit due to the fact that more soil is adhered on the rolling roller 9 is avoided, and the rolling effect of the rolling roller 9 on the inner wall of the foundation pit is guaranteed to be good;
after rolling, the rolling roller 9 can be retracted by the electric push rod 20 to be contained in the U-shaped frame 35, and then the U-shaped frame 35 is pushed by the hydraulic cylinder 10 to continuously move towards the inner wall of the foundation pit, so that the upper support plate 7 and the lower support plate 8 are abutted against the inner wall of the foundation pit to carry out supporting work;
when the angle of backup pad is adjusted according to the gradient of foundation ditch inner wall, can upwards promote handle 22 for compression spring 23 is compressed, simultaneously dwang 26 upwards removes and can insert square piece 29 inside square cover 28, then twist handle 22, and then can make dwang 26 synchronous rotation, utilize square piece 29 drive square cover 28 to rotate, thereby can make the synchronous rotation of drive screw 18, utilize drive screw 18 to rotate and drive screw nut 25 and remove, screw nut 25 can reciprocate along second guide bar 24, thereby can make the supporting angle of bracing piece 17 change, utilize bracing piece 17 to promote the slope of upper support plate 7, thereby can make the inclination who adapts to actual foundation ditch lateral wall, the adaptability is stronger, the supporting effect is better.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a foundation ditch collapse prevention supporting construction that construction was used, includes base (1) and pillar (2), pillar (2) fixed mounting is in base (1) bottom, pillar (2) bottom is equipped with puncture part, its characterized in that: the novel rolling machine is characterized in that a threaded rod (12) is rotatably mounted at the upper end of the base (1), a driving motor (3) is fixedly mounted at the bottom end of the base (1), an output shaft of the driving motor (3) is fixedly connected with the bottom end of the threaded rod (12), a moving nut (14) is arranged on the threaded rod (12), a first guide rod (13) is fixedly mounted on the base (1), the first guide rod (13) penetrates through the moving nut (14) and is slidably connected with the moving nut (14), a bearing sleeve (15) is sleeved on the moving nut (14), a rotating sleeve (4) is fixedly sleeved outside the bearing sleeve (15), a rolling mechanism is fixedly mounted on the side wall of the rotating sleeve (4), an upper supporting plate (7) and a lower supporting plate (8) are connected to one side of the U-shaped frame (35), the upper supporting plate (7) is movably connected with the U-shaped frame (35), and an angle adjusting mechanism is arranged on one side of the upper supporting plate (7), and the lower supporting plate (8) is fixedly connected with the U-shaped frame (35).
The rolling mechanism comprises a sleeve (16) which is slidably arranged in a U-shaped frame (35), two ends of the sleeve (16) are fixedly connected with a fixed cylinder (21), the top end of the fixed cylinder (21) is slidably connected with a chute (27) formed in the U-shaped frame (35), the bottom end of the fixed cylinder (21) penetrates through a through groove (33) formed in the U-shaped frame (35) and is slidably connected with the through groove (33), a rolling roller (9) is sleeved on the sleeve (16), and the rolling roller (9) is rotatably connected with the sleeve (16);
two electric push rods (20) are arranged in the U-shaped frame (35), and the extension ends of the two electric push rods (20) are fixedly connected with the two ends of the sleeve (16) respectively;
threaded rod (12) top fixedly connected with rolling disc (5), fixed surface is connected with first telescopic link (6) under rolling disc (5), the extension end of first telescopic link (6) and the inner wall fixed connection of rotating sleeve (4), fixed mounting has pneumatic cylinder (10) on rotating sleeve (4) lateral wall, the extension end and U-shaped frame (35) lateral wall fixed connection of pneumatic cylinder (10), still fixedly connected with second telescopic link (11) between rotating sleeve (4) and U-shaped frame (35).
2. The foundation pit collapse prevention supporting structure for building construction according to claim 1, wherein: the cleaning brush comprises a roller (9), and is characterized in that a U-shaped cleaning rod (19) is arranged on one side of the roller (9), a cleaning brush (32) is fixedly arranged on one side of the U-shaped cleaning rod (19), the cleaning brush (32) is in contact with the side wall of the roller (9), and two ends of the U-shaped cleaning rod (19) are fixedly connected with two ends of a sleeve (16) respectively.
3. The foundation pit collapse prevention supporting structure for building construction according to claim 1, wherein: the angle adjusting mechanism comprises a transmission screw rod (18) rotatably mounted at the upper end of a U-shaped frame (35), a screw rod nut (25) is arranged on the transmission screw rod (18), a second guide rod (24) is fixedly arranged at the upper end of the U-shaped frame (35), the second guide rod (24) penetrates through the screw rod nut (25) and is in sliding connection with the screw rod nut (25), a supporting rod (17) is movably connected to the screw rod nut (25), and one end of the supporting rod (17) is movably connected with one side of the upper supporting plate (7).
4. A pit collapse prevention supporting structure for building construction according to claim 3, wherein: the square sleeve (28) is fixedly connected in a cavity formed by extending the bottom end of the transmission screw rod (18) to the inside of the U-shaped frame (35), the cavity is communicated with the inside of the sliding groove (27), the rotating rod (26) is rotatably arranged in the sleeve (16), and the square block (29) matched with the square sleeve (28) is fixedly connected to the top end of the rotating rod (26).
5. The foundation pit collapse prevention supporting structure for building construction according to claim 4, wherein: the fixed ring (31) is arranged in the sleeve (16), the rotating rod (26) penetrates through the fixed ring (31), the diameter of the rotating rod (26) is smaller than the inner diameter of the fixed ring (31), the limiting disc (30) is fixedly sleeved on the rotating rod (26), and the diameter of the limiting disc (30) is larger than the inner diameter of the fixed ring (31).
6. The foundation pit collapse prevention supporting structure for building construction according to claim 5, wherein: one end of the rotating rod (26) extends to the lower part of the U-shaped frame (35) and is fixedly connected with a handle (22), the end part of the fixed cylinder (21) positioned below the U-shaped frame (35) is rotationally connected with a fixed disc (34), and a compression spring (23) is connected between the fixed disc (34) and the handle (22).
7. The foundation pit collapse prevention supporting structure for building construction according to claim 6, wherein: the U-shaped frames (35) are arranged in two, and the two U-shaped frames (35) are identical in structure and symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210614587.XA CN114960671B (en) | 2022-05-31 | 2022-05-31 | Foundation pit collapse-preventing supporting structure for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210614587.XA CN114960671B (en) | 2022-05-31 | 2022-05-31 | Foundation pit collapse-preventing supporting structure for building construction |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201901230D0 (en) * | 2018-06-30 | 2019-03-20 | Quzhou Yanhang Machinery Tech Co Ltd | A construction equipment for deep foundation pits of bridges and application methods thereof |
| CN112295770A (en) * | 2020-11-05 | 2021-02-02 | 万光超 | Building deep foundation pit inner wall pressurization type spraying machine and using method thereof |
| CN214143739U (en) * | 2021-01-07 | 2021-09-07 | 程建厂 | Geotechnical engineering foundation pit collapse prevention supporting structure |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201901230D0 (en) * | 2018-06-30 | 2019-03-20 | Quzhou Yanhang Machinery Tech Co Ltd | A construction equipment for deep foundation pits of bridges and application methods thereof |
| CN112295770A (en) * | 2020-11-05 | 2021-02-02 | 万光超 | Building deep foundation pit inner wall pressurization type spraying machine and using method thereof |
| CN214143739U (en) * | 2021-01-07 | 2021-09-07 | 程建厂 | Geotechnical engineering foundation pit collapse prevention supporting structure |
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