CN117845948A - Reinforcing apparatus of super dark dysmorphism foundation ditch - Google Patents

Reinforcing apparatus of super dark dysmorphism foundation ditch Download PDF

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Publication number
CN117845948A
CN117845948A CN202410096412.3A CN202410096412A CN117845948A CN 117845948 A CN117845948 A CN 117845948A CN 202410096412 A CN202410096412 A CN 202410096412A CN 117845948 A CN117845948 A CN 117845948A
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CN
China
Prior art keywords
foundation pit
sliding
push
rod
hinged
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Pending
Application number
CN202410096412.3A
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Chinese (zh)
Inventor
王圣涛
韩丁
薛维培
申志军
彭波
彭建勇
王冰
刘文胜
王飞
吴亚磊
谷潇
刘荣康
方天敕
吉泽宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui University of Science and Technology
China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Second Engineering Co Ltd of CTCE Group
Original Assignee
Anhui University of Science and Technology
China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Second Engineering Co Ltd of CTCE Group
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Anhui University of Science and Technology, China Tiesiju Civil Engineering Group Co Ltd CTCE Group, Second Engineering Co Ltd of CTCE Group filed Critical Anhui University of Science and Technology
Priority to CN202410096412.3A priority Critical patent/CN117845948A/en
Publication of CN117845948A publication Critical patent/CN117845948A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a reinforcing device for an ultra-deep special-shaped foundation pit, and belongs to the technical field of foundation pit construction. The device is respectively provided with the foundation pit bottom surface positioning mechanism and the foundation pit bottom side wall supporting mechanism, and two sections of worms which are sleeved and fixed on the transmission shaft are adopted, so that the foundation pit bottom surface positioning mechanism and the foundation pit bottom side wall supporting mechanism can be respectively transmitted at the same time, the device can be firmly fixed at the position required by the foundation pit bottom surface side wall at the same time, and the displacement of the reinforcing device caused by uneven foundation pit bottom surface in long-term use is prevented; and form firm support to the side wall of the foundation pit bottom. The device disclosed by the invention simultaneously enables the foundation pit bottom surface positioning mechanism and the foundation pit bottom side wall supporting mechanism to move through the transmission shaft to form firm positioning and firm supporting of the foundation pit bottom side wall of the reinforcing device disclosed by the invention, and the structure is ingenious, simple and reliable.

Description

Reinforcing apparatus of super dark dysmorphism foundation ditch
Technical Field
The invention relates to a device for reinforcing a foundation pit wall of an ultra-deep special-shaped foundation pit, and belongs to the technical field of foundation pit construction.
Background
The ultra-deep special-shaped foundation pit has larger depth and irregular boundary than the common deep foundation pit, and the boundary condition is complex and cannot form a regular pattern, so the ultra-deep special-shaped foundation pit is called a special-shaped foundation pit. In the process of excavating the ultra-deep special-shaped foundation pit, in order to ensure the safety of the main structure of the foundation pit and the surrounding environment of the foundation pit, constructors are required to timely reinforce the inner side wall of the foundation pit according to a pre-established construction scheme. However, due to the complex boundary conditions of ultra-deep special-shaped group pits, the currently used supporting and reinforcing device is easy to displace in use, so that the supporting and reinforcing effect on the bottom side wall in the foundation pit is not ideal.
Disclosure of Invention
The invention aims to solve the technical problems that: how to reliably strengthen the bottom side wall in the ultra-deep special-shaped foundation pit.
The technical scheme provided by the invention for solving the technical problems is as follows: : the foundation box is provided with a box body and a base plate, and the foundation pit bottom surface positioning mechanism is positioned below the base plate and comprises a sleeve, a sliding cylinder, a first screw rod, a push plate and a push rod pair which is formed by intersecting and hinging two push rods; the top of the sleeve is fixedly connected with the bottom surface of the base plate, the sliding cylinder is sleeved in the sleeve and forms a first sliding pair in sliding connection with the sleeve, the first screw rod is in threaded connection with the sliding cylinder, the number of push rod pairs is at least two along the outer circumference of the sleeve, the number of the push rod pairs is the same as that of the push plates, the sleeve is hinged with one end of one of two push rods of the push rod pair through a hinged support on the sleeve, one end of the two push rods of the push rod pair is hinged with the sliding cylinder, and the other ends of the two push rods of the push rod pair are respectively hinged with the push plates; the side wall supporting mechanism at the bottom of the foundation pit comprises a supporting plate hinged to one side edge outside the box body, a long shaft arranged on the other side inside the box body, a second screw rod perpendicular to the long shaft and a supporting rod, wherein a second turbine and a third worm are sleeved and fixed on the long shaft, a threaded connecting piece is arranged on the second screw rod, a second moving pair is formed, one end of the supporting rod is hinged to a nut, the other end of the supporting rod is hinged to the supporting plate, one end of the second screw rod is fixed to one side edge inside the box body, the other end of the second screw rod is provided with a third turbine meshed with the third worm, and the number of the second screw rods is the same as that of the third worm; two worms are sleeved and fixed on the transmission shaft, namely a first worm and a second worm; the top end of the first screw rod is provided with a first turbine meshed with the first worm, and the second turbine is meshed with the second worm.
Further, the two sides of the base plate are also provided with claw mechanisms, each claw mechanism comprises a sliding plate, a connecting rod and a pull rod, the sliding plates are arranged on the two sides of the base plate, the sliding plates and the base plate form a third sliding pair in sliding connection, one end of each connecting rod is hinged to the base plate, and the other end of each connecting rod is hinged to each claw.
Further, a sliding block is hinged to the other end of one of the two pushing rods of the pushing rod pair, a frame is arranged on the pushing plate, and the sliding block and the frame form a fourth sliding pair in sliding connection.
Further, the transmission shaft penetrates through and extends out of the side wall of the box body.
Further, the outer side surface of the push plate is provided with a plurality of fastening nails with barbs.
Further, the push rod pairs are symmetrically arranged in three along the outer circumference of the sleeve, and the number of the second screw rod and the number of the third worm are four.
Further, the supporting plate is connected with one side edge outside the box body through a hinge and can be turned forward and backward under the action of the supporting rod to respectively form two states of being closed and opened with the box body and then being supported on the bottom side wall of the foundation pit.
Further, the threaded connection is a nut or a sliding sleeve, and the sliding sleeve can form sliding fit with a sliding rail in the box body.
Further, a plurality of triangular tooth-shaped stripes are arranged on the clamping jaw.
The reinforcing device for the ultra-deep special-shaped foundation pit has the beneficial effects that: because the foundation pit bottom surface positioning mechanism and the foundation pit bottom side wall supporting mechanism are respectively configured, and the two sections of worms are sleeved and fixed on one transmission shaft, the foundation pit bottom surface positioning mechanism and the foundation pit bottom side wall supporting mechanism can be respectively and simultaneously transmitted, when the foundation pit bottom surface positioning mechanism is used, the reinforcing device is placed on the ground of an ultra-deep special-shaped foundation pit, holes are dug on the ground of the ultra-deep special-shaped foundation pit in advance, the foundation pit bottom surface positioning mechanism is aligned with the dug positioning holes, when an external force is transmitted to the first screw of the foundation pit bottom side wall supporting mechanism through the first section of worm of the transmission shaft and the first turbine, the sliding barrel is driven to move in the sleeve by the first screw of the first turbine, the sliding barrel and the sleeve which relatively move respectively drive one ends of the two push rods of the push rod pairs to move, and then the push rods which are in cross hinge are mutually propped up to be propped up to the inner wall of the positioning holes along the circumference of the sleeve, so that the reinforcing device is firmly fixed at the position required by the foundation pit bottom surface side wall, and the non-flat foundation pit bottom surface can be prevented from being displaced under long-term use, thereby losing the supporting protection effect. Meanwhile, external force is transmitted to the long shaft of the foundation pit bottom side wall supporting mechanism through the second section worm of the transmission shaft and the second turbine, so that the long shaft rotates, the third turbine is driven by the third worm of the long shaft to rotate the second screw, the nut on the second screw relatively moves along the second screw and stretches out with the supporting rod, and the supporting plate is driven to turn over and open and then is supported on the foundation pit bottom side wall, so that firm support is formed on the foundation pit bottom side wall. According to the invention, the foundation pit bottom surface positioning mechanism and the foundation pit bottom side wall supporting mechanism are simultaneously moved through one transmission shaft to form the firm positioning and the firm supporting of the foundation pit bottom side wall of the reinforcing device, and the structure is ingenious, simple and reliable.
Drawings
The reinforcing device for the ultra-deep special-shaped foundation pit is further described below with reference to the accompanying drawings.
Fig. 1 is a perspective view of a reinforcing apparatus for an ultra-deep profiled foundation pit in an embodiment.
Fig. 2 is a perspective view of another view of fig. 1.
Fig. 3 is a longitudinal cross-sectional view of a reinforcement device for an ultra-deep profiled foundation pit in an embodiment.
Fig. 4 is a cross-sectional view taken along A-A in fig. 3.
Fig. 5 is a partial enlarged view of fig. 4.
Fig. 6 is a top view of the support plate of fig. 1 with the housing covered.
Fig. 7 is a top view of a reinforcing apparatus for an ultra-deep irregularly-shaped foundation pit according to an embodiment.
Fig. 8 is a top view of a reinforcing apparatus for an ultra-deep profiled foundation pit for a near pentagonal foundation pit in an embodiment.
Detailed Description
Examples
The reinforcement device for the ultra-deep special-shaped foundation pit in this embodiment, as shown in fig. 1, 2 and 3, comprises a base box 1, a foundation pit bottom surface positioning mechanism 2, a foundation pit bottom side wall supporting mechanism 3 and a transmission shaft 303 externally connected with power, wherein the base box 1 is provided with a box body and a base plate 101. As shown in fig. 1, 2, 4 and 5, the foundation pit bottom surface positioning mechanism is located below the base plate 101 and comprises a sleeve 201, a slide 202, a first screw 208, a push plate 207 and a push rod pair which are cross-hinged by two push rods 203 and 204.
As shown in fig. 5, the top of the sleeve 201 is fixedly connected with the bottom surface of the base plate 101, the sliding barrel 202 is sleeved in the sleeve 201 and forms a first sliding pair in sliding connection with the sleeve 201, the first screw 208 forms a threaded connection in the sliding barrel 202, the pushing plates 207 are three symmetrical pushing rod pairs along the outer circumference of the sleeve 201, and the number of pushing rod pairs formed by the two pushing rods 203 and 204 is the same as that of the pushing plates 207, and is three pairs. The sleeve 201 is hinged to one end of one of two push rods 204 of the push rod pair by a hinge support thereon, one end of two push rods 203 of the push rod pair is hinged to the slide tube 202, and the other ends of the two push rods 203 and 204 of the push rod pair are respectively hinged to the push plate 207. In this embodiment, the other end of one of the two pushing rods 204 of the pushing rod pair is hinged with a sliding block 4, a frame 206 is arranged on the pushing plate 207, and the sliding block 4 and the frame 206 form a fourth sliding pair in sliding connection. In this embodiment, a plurality of barbed fasteners are provided on the outside surface of the push plate 207.
As shown in fig. 3 and 4, the foundation pit bottom side wall supporting mechanism comprises a supporting plate 407 hinged on one side of the outer side of the box body through a hinge 408, a long shaft 306 arranged on the other side of the inner side of the box body, a second screw 403 perpendicular to the long shaft 306, and a supporting rod 405, wherein the long shaft 306 is sleeved and fixed with a second turbine 305 and a third worm 401. As shown in fig. 2, the second screw 403 is provided with a nut 9 and forms a second moving pair, and as shown in fig. 2 and 4, one end of the support rod 405 is hinged to the nut 9, and the other end of the support rod 405 is hinged to the support plate 407. As shown in fig. 1 and 3, one end of the second screw 403 is fixed to one side in the case, and the other end of the second screw 403 is provided with a third worm wheel 402 engaged with the third worm 401. In this embodiment, the supporting plate 407 is connected to one side of the outer side of the box body through a hinge 408, and can be turned over forward and backward under the action of the supporting rod 405 to form two states of being supported on the bottom side wall of the foundation pit after being closed and opened with the box body respectively. In this embodiment, the number of the second screws 403 is four as the number of the third worms 401. In addition, the nut 9 may be replaced by a sliding sleeve in threaded connection with the second screw 403, and the sliding sleeve may form a sliding fit with a sliding rail provided in the case.
As shown in fig. 4, the transmission shaft 303 is sleeved and fixed with two worms, namely a first worm 302 and a second worm 304; the top end of the first screw 208 is provided with a first worm gear 301 engaged with a first worm 302, and a second worm gear 305 engaged with a second worm 304.
As shown in fig. 1, 2, 3 and 6, the two sides of the base plate 101 are further provided with a jaw mechanism 5, which comprises a sliding plate 501, a connecting rod 502 and a pull rod 505, the sliding plate 501 is arranged on the two sides of the base plate 101, the sliding plate and the base plate 101 form a third sliding pair in sliding connection, one end of the connecting rod 502 is hinged with the base plate 101, the other end of the connecting rod 502 is hinged with a jaw 504, the middle part of the connecting rod 502 is hinged with the pull rod 505, the other end of the pull rod 505 is hinged with the sliding plate 501, and a plurality of triangular tooth-shaped stripes are arranged on the jaw 504. Of course, the click-on mechanism 5 may also be omitted.
One conceivable variation of the present embodiment is: the sliding block 4 hinged to the other end of one of the two push rods 204 of the push rod pair and the frame 206 on the push plate 207 can be omitted, a fourth moving pair is not required to be formed, and one of the two push rods 204 is directly hinged to the push plate 207.
In this embodiment, one end of the transmission shaft 303 passes through and protrudes out of the side wall of the box, one end of the transmission shaft 303 may be connected to the handle to drive the transmission shaft 303 to rotate by manpower, and one end of the transmission shaft 303 may also be connected to the output end of the motor to be driven by the motor.
When in use, as shown in fig. 7 or fig. 8, the reinforcing apparatus for the ultra-deep special-shaped foundation pit of the present embodiment is placed in the foundation pit, and three reinforcing apparatuses for the ultra-deep special-shaped foundation pit of the present embodiment are placed in each of fig. 7 and fig. 8. And digging holes on the ground of the ultra-deep special-shaped foundation pit in advance, and aligning the positioning mechanism on the bottom surface of the foundation pit with the digging positioning holes. When the sliding plate 501 on the base plate 101 contacts with the ground, the sliding plate 501 is contracted inwards towards the base plate 101 (the sliding seat can be arranged in the base plate 101) under the action of the gravity of the device, so that the sliding plate 501 drives the pull rods 505 hinged to the two sides of the sliding plate to start to synchronously perform linear motion, the pull rods 505 pull the connecting rods 502 hinged to the pull rods, the connecting rods 502 drive the clamping claws 504 hinged to the connecting rods to be buckled into the ground, and the connection stability of the base 101 and the ground is enhanced. Meanwhile, when an external force is transmitted to the first screw rod 208 of the foundation pit bottom side wall supporting mechanism through the first section worm 302 and the first turbine 301 of the transmission shaft 303, the sliding barrel 202 is driven to move in the sleeve 201, and then the sliding barrel 202 and the sleeve 201 which are relatively moved respectively drive one ends of the two push rods 203 and 204 of the push rod pair to move, and after the two push rods 203 and 204 which are in cross hinge are mutually propped up, the push plate 207 is propped up to the inner wall of the positioning hole along the outer circumference of the sleeve 201, so that the reinforcing device of the embodiment can be firmly fixed at the position required by the side wall of the foundation pit bottom surface, and the foundation pit bottom surface is prevented from being uneven and causing the displacement of the base plate 101 under long-term use. Meanwhile, external force is transmitted to the long shaft 306 of the foundation pit bottom side wall supporting mechanism through the second section worm 304 and the second turbine 305 of the transmission shaft 303, so that the long shaft 306 rotates, the third worm 401 of the long shaft 306 drives the third turbine 402 to rotate the second screw 403, the nut 9 on the second screw 403 relatively moves along the second screw 403 and stretches out along the supporting rod 8, and the supporting plate 407 is driven to turn over and open and then is supported on the foundation pit bottom side wall, so that a firm support is formed on the foundation pit bottom side wall. Moreover, the larger the force applied to the hole digging wall by the push plate 207 and the foundation pit wall by the supporting plate 407, the larger the force of the claw 504 buckling into the ground, thereby effectively preventing the device from displacement in the supporting and reinforcing process.
The foregoing description is only of the preferred embodiments of the invention, but the invention is not limited thereto, and all equivalents and modifications according to the concept of the invention and the technical solutions thereof are intended to be included in the scope of the invention.

Claims (9)

1. The reinforcing device for the ultra-deep special-shaped foundation pit is characterized by comprising a foundation pit box, a foundation pit bottom surface positioning mechanism, a foundation pit bottom side wall supporting mechanism and a transmission shaft externally connected with power, wherein the foundation pit box is provided with a box body and a base plate, and the foundation pit bottom surface positioning mechanism is positioned below the base plate and comprises a sleeve, a sliding cylinder, a first screw rod, a push plate and a push rod pair which is formed by intersecting and hinging two push rods; the top of the sleeve is fixedly connected with the bottom surface of the base plate, the sliding cylinder is sleeved in the sleeve and forms a first sliding pair in sliding connection with the sleeve, the first screw rod is in threaded connection with the sliding cylinder, the number of push rod pairs is at least two along the outer circumference of the sleeve, the number of the push rod pairs is the same as that of the push plates, the sleeve is hinged with one end of one of two push rods of the push rod pair through a hinged support on the sleeve, one end of the two push rods of the push rod pair is hinged with the sliding cylinder, and the other ends of the two push rods of the push rod pair are respectively hinged with the push plates; the side wall supporting mechanism at the bottom of the foundation pit comprises a supporting plate hinged to one side edge outside the box body, a long shaft arranged on the other side inside the box body, a second screw rod perpendicular to the long shaft and a supporting rod, wherein a second turbine and a third worm are sleeved and fixed on the long shaft, a nut is arranged on the second screw rod, a second moving pair is formed, one end of the supporting rod is hinged to the nut, the other end of the supporting rod is hinged to the supporting plate, one end of the second screw rod is fixed to one side edge inside the box body, the other end of the second screw rod is provided with a third turbine meshed with the third worm, and the number of the second screw rods is the same as that of the third worm; two worms are sleeved and fixed on the transmission shaft, namely a first worm and a second worm; the top end of the first screw rod is provided with a first turbine meshed with the first worm, and the second turbine is meshed with the second worm.
2. The ultra-deep irregularly shaped foundation pit reinforcing device according to claim 1, wherein: the two sides of the base plate are also provided with claw mechanisms, each claw mechanism comprises a sliding plate, a connecting rod and a pull rod, the sliding plates are arranged on the two sides of the base plate, the sliding plates and the base plate form a third sliding pair in sliding connection, one end of each connecting rod is hinged to the base plate, and the other end of each connecting rod is hinged to each claw.
3. The ultra-deep irregularly shaped foundation pit reinforcing device according to claim 1, wherein: the other end of one of the two push rods of the push rod pair is hinged with a sliding block, a frame is arranged on the push plate, and the sliding block and the frame form a fourth sliding pair in sliding connection.
4. The ultra-deep irregularly shaped foundation pit reinforcing device according to claim 1, wherein: the transmission shaft penetrates through and extends out of the side wall of the box body.
5. The reinforcing apparatus of an ultra-deep irregularly shaped foundation pit according to any one of claims 1 to 4, wherein: the outer side surface of the push plate is provided with a plurality of fastening nails with barbs.
6. The reinforcing apparatus of an ultra-deep irregularly shaped foundation pit according to any one of claims 1 to 4, wherein: the push rod pairs are symmetrically arranged along the outer circumference of the sleeve, and the number of the second screw rod and the third screw rod is four.
7. The reinforcing apparatus of an ultra-deep irregularly shaped foundation pit according to any one of claims 1 to 4, wherein: the supporting plate is connected with one side edge outside the box body through a hinge and can be turned forward and backward under the action of the supporting rod to respectively form two states of being closed and opened with the box body and then supported on the bottom side wall of the foundation pit.
8. The reinforcing apparatus of an ultra-deep irregularly shaped foundation pit according to any one of claims 1 to 4, wherein: the threaded connection is a nut or a sliding sleeve, and the sliding sleeve can form sliding fit with a sliding rail in the box body.
9. The ultra-deep irregularly shaped foundation pit reinforcing device according to claim 2, wherein: the clamping jaw is provided with a plurality of triangular tooth-shaped stripes.
CN202410096412.3A 2024-01-23 2024-01-23 Reinforcing apparatus of super dark dysmorphism foundation ditch Pending CN117845948A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410096412.3A CN117845948A (en) 2024-01-23 2024-01-23 Reinforcing apparatus of super dark dysmorphism foundation ditch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410096412.3A CN117845948A (en) 2024-01-23 2024-01-23 Reinforcing apparatus of super dark dysmorphism foundation ditch

Publications (1)

Publication Number Publication Date
CN117845948A true CN117845948A (en) 2024-04-09

Family

ID=90532785

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410096412.3A Pending CN117845948A (en) 2024-01-23 2024-01-23 Reinforcing apparatus of super dark dysmorphism foundation ditch

Country Status (1)

Country Link
CN (1) CN117845948A (en)

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