CN219491017U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN219491017U CN219491017U CN202320614992.1U CN202320614992U CN219491017U CN 219491017 U CN219491017 U CN 219491017U CN 202320614992 U CN202320614992 U CN 202320614992U CN 219491017 U CN219491017 U CN 219491017U
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- supporting structure
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Abstract
The utility model relates to the technical field of constructional engineering, in particular to a foundation pit supporting structure, which comprises: the base is fixedly connected to the bottom of the foundation pit, the size of the base is matched with the size of the bottom of the foundation pit, a plurality of support plates are arranged at the top of the base and used for being abutted against the side wall of the foundation pit, and a semi-closed structure with an opening at the top is formed by surrounding the plurality of support plates and the base; the column body is vertically and fixedly connected to the center of the base, a plurality of telescopic rods are hinged to the support guard plates, one end of each telescopic rod is hinged to an abutting plate, and the abutting plates are used for abutting against one side, far away from the side wall of the foundation pit, of the support guard plates; the transmission mechanism is arranged on the column body and is used for driving the telescopic rod to swing and simultaneously stretch. The application has the effect of improving the applicability of foundation pit support.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a foundation pit supporting structure.
Background
The foundation pit support is used for guaranteeing the safety of underground structure construction and surrounding environment of the foundation pit, retaining, reinforcing and protecting measures are adopted for the side wall of the foundation pit and the surrounding environment, and for square or square-like foundation pit, a support structure is generally required to be arranged during construction, and then earthwork is excavated.
The existing foundation pit supporting structure is usually supported by a reinforced concrete wall arranged in a pit, but because the foundation pit has different shapes and sizes, in order to adapt to foundation pits with different shapes and sizes, the construction of the reinforced concrete wall needs to carry out multiple size measurement and support templates with corresponding shapes, the applicability is not enough, the cost is high, the construction, maintenance, support changing and dismantling time of the concrete support are long, and the construction efficiency is low.
Disclosure of Invention
In order to improve the suitability of foundation ditch support, this application provides a foundation ditch support structure.
The above object of the present application is achieved by the following technical solutions:
the base is fixedly connected to the bottom of the foundation pit, the size of the base is matched with the size of the bottom of the foundation pit, a plurality of support plates are arranged at the top of the base and used for being abutted against the side wall of the foundation pit, and a semi-closed structure with an opening at the top is formed by surrounding the plurality of support plates and the base;
the column body is vertically and fixedly connected to the center of the base, a plurality of telescopic rods are hinged to the support guard plates, one end of each telescopic rod is hinged to an abutting plate, and the abutting plates are used for abutting against one side, far away from the side wall of the foundation pit, of the support guard plates;
the transmission mechanism is arranged on the column body and is used for driving the telescopic rod to swing and simultaneously stretch.
Through adopting above-mentioned technical scheme, set up backplate and base, in order to form semi-closed structure, can play the guard action to foundation ditch lateral wall and foundation ditch bottom, at this moment through drive mechanism, can make the telescopic link of articulating in the cylinder drive the butt board and swing and stretch out and draw back, under the telescopic action of telescopic link, make the butt board can adapt to the size of different foundation ditch, accomplish the butt to backplate, and because the butt board articulates in the telescopic link, the swing of cooperation telescopic link, so that the butt board can contact backplate completely, increase area of contact, the force transmission effect is better, thereby can adapt to the foundation ditch of different shapes, improve the suitability of foundation ditch support.
The present application may be further configured in a preferred example to: the transmission mechanism comprises a connecting rod and a sliding seat, the sliding seat slides along the height direction of the cylinder and is arranged in the cylinder, one end of the connecting rod is hinged to the telescopic rod, the other end of the connecting rod is hinged to the sliding seat, and the cylinder is provided with a driving device for driving the sliding seat to slide along the height direction of the cylinder.
Through adopting above-mentioned technical scheme, because connecting rod both ends articulate respectively in seat and telescopic link slide, drive through drive arrangement and slide seat and drive connecting rod one end and move and rotate along cylinder direction of height, make the connecting rod other end rotate and provide the force along telescopic link length direction and the force of perpendicular to telescopic link length direction for the telescopic link to realize that the telescopic link stretches out and draws back simultaneously and swings, simple structure and practicality.
The present application may be further configured in a preferred example to: the driving device comprises a screw rod, the mounting groove is vertically formed in the top of the column body, the mounting plate is fixedly connected to the top of the column body, the mounting plate is provided with a mounting hole communicated with the mounting groove, the screw rod penetrates through the mounting hole and is rotationally arranged in the mounting groove, a plurality of sliding grooves for the connecting rod to yield are vertically formed in the outer side wall of the column body, a threaded hole matched with the screw rod is formed in the center of the top of the sliding seat, the sliding seat is matched with the screw rod in a threaded mode through the threaded hole, and the mounting plate is provided with a driving assembly for driving the screw rod to rotate from a shaft.
Through adopting above-mentioned technical scheme, because screw rod and the screw hole screw thread fit at seat top center that slides, according to lead screw transmission's principle, through the rotation of drive assembly drive screw self-axis, can realize sliding seat drive connecting rod one end and follow cylinder direction of height and remove.
The present application may be further configured in a preferred example to: the driving assembly comprises a worm wheel, a worm and a motor, the motor is fixedly installed on the mounting plate, the worm is coaxially and fixedly connected with an output shaft of the motor, and the worm wheel is coaxially and fixedly connected with the screw rod and meshed with the worm.
Through adopting above-mentioned technical scheme, according to the transmission principle of worm gear, through starter motor drive worm rotation and transmission worm wheel rotation to realize that the worm wheel drives the screw rod and carry out from the axle rotation, and have self-locking function between the worm gear, can further improve the supporting role of backplate to the foundation ditch lateral wall.
The present application may be further configured in a preferred example to: the telescopic link include the sleeve and with sleeve slip complex slide bar, sleeve one end articulated in the cylinder, the butt board articulated in the slide bar is kept away from telescopic one end, the spacing hole has been seted up along self length direction to the sleeve, the slide bar outside is provided with the stopper, the stopper is located in the stopper.
Through adopting above-mentioned technical scheme, under the cooperation effect of sliding rod and telescopic, can realize the flexible function of telescopic link to through setting up spacing hole and stopper, can prevent that the sliding rod from breaking away from in the sleeve.
The present application may be further configured in a preferred example to: and a construction warning lamp is arranged at the top of the mounting plate.
Through adopting above-mentioned technical scheme, make its scintillation through starting the warning light, can play the effect of warning to the constructor of far away under the environment at night, improve the security of construction at night.
The present application may be further configured in a preferred example to: and a sponge layer is arranged on one side of the support guard plate, which is close to the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, under the effect of sponge layer elastic deformation, can make the backplate adapt to the uneven lateral wall of foundation ditch, reduce the gap between backplate and the foundation ditch to reduce the infiltration volume of soil layer interior water, improve the security of construction.
The present application may be further configured in a preferred example to: the base is formed by concrete casting.
Through adopting above-mentioned technical scheme, when adopting the concrete placement base, can form the smooth and stable holding surface between base and the foundation ditch bottom to improve the stability to the column support, be convenient for follow-up support to the foundation ditch lateral wall, be applicable to the operating mode.
In summary, the present application includes at least one of the following beneficial technical effects:
1. set up backplate and base to form semi-closed structure, can play guard action to foundation ditch lateral wall and foundation ditch bottom, through drive mechanism this moment, can make the telescopic link that articulates in the cylinder drive the backplate and swing and stretch out and draw back, under the telescopic action of telescopic link, make the backplate can adapt to the size of different foundation ditch, accomplish the butt to the backplate, and because the backplate articulates in the telescopic link, the swing of cooperation telescopic link, so that the backplate can the complete contact backplate of butt, increase area of contact, the force transmission effect is better, thereby can adapt to the foundation ditch of different shapes, improve the suitability of foundation ditch support.
2. Because the connecting rod both ends are articulated respectively in seat and telescopic link slide, drive through drive arrangement and slide seat and drive connecting rod one end and move and rotate along cylinder direction of height, make the connecting rod other end rotate and provide the force along telescopic link length direction and the force of perpendicular to telescopic link length direction for the telescopic link to realize that the telescopic link stretches out and draws back simultaneously and swings, simple structure and practicality.
3. Under the effect of sponge layer elastic deformation, can make the backplate adapt to the uneven lateral wall of foundation ditch, reduce the gap between backplate and the foundation ditch to reduce the infiltration volume of soil layer interior water, improve the security of construction.
Drawings
FIG. 1 is a schematic view of the overall structure of a foundation pit supporting structure in the present application;
fig. 2 is a schematic view of a part of the structure of the foundation pit supporting structure in the present application.
Reference numerals: 1. a base; 2. a column; 3. a foundation pit; 4. a support plate; 5. a telescopic rod; 51. a sleeve; 52. a sliding rod; 6. an abutting plate; 7. a connecting rod; 8. a sliding seat; 9. a screw; 10. a mounting plate; 11. a mounting hole; 12. a slip groove; 13. a worm wheel; 14. a worm; 15. a motor; 16. a construction warning lamp; 17. a limiting hole; 18. a limiting block; 19. a sponge layer.
Detailed Description
Exemplary embodiments of the present application are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present application to facilitate understanding, and should be considered as merely exemplary. Accordingly, one of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
It should be noted that the terms "first," "second," and the like herein are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the disclosure described herein may be capable of operation in sequences other than those illustrated or described herein. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure.
In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In this context, unless otherwise specified, the term "/" generally indicates that the associated object is an "or" relationship.
A foundation pit supporting structure of the present application is described below with reference to the accompanying drawings.
As shown in fig. 1, the foundation pit supporting structure comprises a base 1 and a column body 2, wherein the column body 2 is vertically and fixedly connected to the center of the base 1, the size of the base 1 is matched with the size of the bottom of the foundation pit 3, the base 1 is formed by concrete pouring, so that a flat and stable supporting surface can be formed between the base 1 and the bottom of the foundation pit 3, the stability of supporting the column body 2 is improved, the follow-up supporting of the side wall of the foundation pit 3 is facilitated, and the foundation pit supporting structure is suitable for working conditions.
The top of the base 1 is provided with a plurality of support plates 4, the support plates 4 are used for abutting against the side wall of the foundation pit 3, the semi-closed structure with the top opening is formed by surrounding the support plates 4 and the base 1, the column 2 is hinged with a plurality of telescopic rods 5 corresponding to the support plates 4, one end of each telescopic rod 5 is hinged with an abutting plate 6, the abutting plate 6 is used for abutting against one side of the support plate 4 far away from the side wall of the foundation pit 3, the column 2 is provided with a transmission mechanism for enabling the telescopic rods 5 to swing and stretch, the support plates 4 and the base 1 are arranged to form the semi-closed structure, the side wall of the foundation pit 3 and the bottom of the foundation pit 3 can be protected, at the moment, the telescopic rods 5 hinged with the column 2 can be enabled to drive the abutting plates 6 to swing and stretch through the transmission mechanism, under the stretching action of the telescopic rods 5, make butt plate 6 can adapt to the size of different foundation ditch 3, accomplish the butt to backplate 4, and because butt plate 6 articulates in telescopic link 5, cooperate the swing of telescopic link 5, so that butt plate 6 can contact backplate 4 completely, increase area of contact, the power effect is better, thereby can adapt to foundation ditch 3 of different shapes, for example square foundation ditch 3, prismatic table foundation ditch 3, cylindrical foundation ditch 3 and round platform shape foundation ditch 3 etc., can improve the suitability that foundation ditch 3 strutted, if be cylindrical foundation ditch 3 or round platform shape foundation ditch 3, need adopt the arc backplate 4 that is adapted to the shape of foundation ditch 3, butt plate 6 can be changed with backplate 4 the same shape's butt plate 6 at this moment according to actual conditions, in order to increase the area of contact with backplate 4 between.
Wherein, as shown in fig. 2, drive mechanism includes connecting rod 7 and seat 8 slides, slide seat 8 and slide and set up in cylinder 2 along the direction of height of cylinder 2, connecting rod 7 one end articulates in telescopic link 5, the other end of connecting rod 7 articulates in seat 8 slides, cylinder 2 is provided with the drive arrangement who is used for driving seat 8 to slide along the direction of height of cylinder 2, because connecting rod 7 both ends articulate respectively in seat 8 and telescopic link 5 slide, drive seat 8 and drive connecting rod 7 one end through drive arrangement and move and rotate along the direction of height of cylinder 2, make the connecting rod 7 other end rotate and provide the force along telescopic link 5 length direction and the force of perpendicular to telescopic link 5 length direction for telescopic link 5, in order to realize telescopic link 5 and stretch out and draw back simultaneously and swing, moreover, the steam generator is simple in structure and practical.
Specifically, drive arrangement includes screw rod 9, mounting groove (not shown in the figure) has vertically been seted up at cylinder 2 top, cylinder 2 top fixedly connected with mounting panel 10, mounting panel 10 has been seted up and has been linked together in mounting groove's mounting hole 11, screw rod 9 wears to locate mounting hole 11 and rotate to set up in the mounting groove, cylinder 2 lateral wall corresponds connecting rod 7 and vertically has been seted up a plurality of sliding grooves 12 that are used for stepping down for connecting rod 7, sliding seat 8 top center has been seted up with screw rod 9 screw thread fit's screw hole (not shown in the figure), sliding seat 8 passes through screw hole and screw rod 9 screw thread fit, mounting panel 10 is provided with and is used for driving screw rod 9 from the pivoted drive assembly, because screw rod 9 and sliding seat 8 top center's screw hole screw fit, according to the principle of lead screw transmission, through drive assembly drive screw rod 9 from the axle rotation, can realize that sliding seat 8 drives connecting rod 7 one end and follow cylinder 2 direction of height and remove.
Further, the driving assembly comprises a worm wheel 13, a worm 14 and a motor 15, the motor 15 is fixedly arranged on the mounting plate 10, the worm 14 is coaxially and fixedly connected to an output shaft of the motor 15, the worm wheel 13 is coaxially and fixedly connected to the screw 9 and meshed with the worm 14, according to the transmission principle of the worm wheel 13 and the worm 14, the worm wheel 14 is driven to rotate by the starting motor 15 and the worm wheel 13 is driven to rotate, so that the worm wheel 13 drives the screw 9 to rotate from the shaft, a self-locking function is provided between the worm wheel 13 and the worm 14, and the supporting function of the supporting plate 4 on the side wall of the foundation pit 3 can be further improved.
It should be noted that, because the semi-closed structure is between a plurality of backplate 4 and the base 1, in order to improve the security of construction, mounting panel 10 top is provided with construction warning light 16, makes it twinkle through starting the warning light, can play the effect of warning to the constructor of far away under the environment at night, improves the security of construction at night.
In addition, telescopic link 5 includes sleeve 51 and slides complex slide bar 52 with sleeve 51, and sleeve 51 one end articulates in cylinder 2, and butt plate 6 articulates in the one end that sleeve 51 was kept away from to slide bar 52, and sleeve 51 has seted up spacing hole 17 along self length direction, and the slide bar 52 outside is provided with stopper 18, and stopper 18 is located stopper 18, under the slide bar 52 and the slide cooperation effect of sleeve 51, can realize telescopic link 5's flexible function to through setting up spacing hole 17 and stopper 18, can prevent that slide bar 52 from breaking away from in sleeve 51.
In addition, as shown in fig. 1, a sponge layer 19 is arranged on one side, close to the side wall of the foundation pit 3, of each support plate 4, under the action of elastic deformation of the sponge layer 19, the support plates 4 can be adapted to the uneven side wall of the foundation pit 3, gaps between the support plates 4 and the foundation pit 3 are reduced, so that the infiltration amount of water in a soil layer is reduced, and the construction safety is improved.
The implementation principle of the foundation pit supporting structure of the embodiment of the application is as follows: when the foundation pit 3 is supported, the worm 14 is driven to rotate by the starting motor 15 and the worm wheel 13 is driven to rotate, so that the worm wheel 13 drives the screw 9 to rotate automatically, one end of the connecting rod 7 is driven by the sliding seat 8 to move downwards and rotate upwards along the height direction of the column 2 according to the principle of screw transmission, at the moment, the other end of the connecting rod 7 rotates and provides force along the length direction of the telescopic rod 5 and force perpendicular to the length direction of the telescopic rod 5 for the telescopic rod 5, so that the telescopic rod 5 stretches and swings upwards, and as the abutting plate 6 is hinged to the telescopic rod 5, the abutting plate 6 is completely abutted to the supporting plate 4 under the stretching and swinging actions of the telescopic rod 5, so that the supporting of the supporting plate 4 is realized, and the foundation pit 3 is supported.
The above embodiments do not limit the scope of the application. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application are intended to be included within the scope of the present application.
Claims (7)
1. A foundation pit supporting structure, comprising:
the base (1), base (1) fixed connection is in foundation ditch (3) bottom, the size of base (1) and foundation ditch (3) bottom size looks adaptation, base (1) top is provided with polylith backplate (4), backplate (4) are used for the butt foundation ditch (3) lateral wall, polylith backplate (4) with base (1) enclose and establish the semi-closed structure that forms the open-top;
the support plate is characterized by comprising a column body (2), wherein the column body (2) is vertically and fixedly connected to the center of the base (1), a plurality of telescopic rods (5) are hinged to the column body (2) corresponding to the support plates (4), one end of each telescopic rod (5) is hinged to an abutting plate (6), and the abutting plates (6) are used for abutting one side, far away from the side wall of the foundation pit (3), of the support plate (4);
the transmission mechanism is arranged on the column body (2) and is used for driving the telescopic rod (5) to swing and stretch at the same time.
2. A foundation pit supporting structure according to claim 1, wherein the transmission mechanism comprises a connecting rod (7) and a sliding seat (8), the sliding seat (8) is slidably arranged on the cylinder (2) along the height direction of the cylinder (2), one end of the connecting rod (7) is hinged to the telescopic rod (5), the other end of the connecting rod (7) is hinged to the sliding seat (8), and the cylinder (2) is provided with a driving device for driving the sliding seat (8) to slidably move along the height direction of the cylinder (2).
3. The foundation pit supporting structure according to claim 2, wherein the driving device comprises a screw rod (9), a mounting groove is vertically formed in the top of the column body (2), a mounting plate (10) is fixedly connected to the top of the column body (2), a mounting hole (11) communicated with the mounting groove is formed in the mounting plate (10), the screw rod (9) penetrates through the mounting hole (11) and is rotatably arranged in the mounting groove, a plurality of sliding grooves (12) for giving the connecting rod (7) to yield are vertically formed in the outer side wall of the column body (2) corresponding to the connecting rod (7), a threaded hole in threaded fit with the screw rod (9) is formed in the top center of the sliding seat (8), the sliding seat (8) is in threaded fit with the screw rod (9) through the threaded hole, and a driving assembly for driving the screw rod (9) to rotate from a shaft is arranged on the mounting plate (10).
4. A pit supporting structure according to claim 3, wherein the drive assembly comprises a worm wheel (13), a worm (14) and a motor (15), the motor (15) is fixedly mounted on the mounting plate (10), the worm (14) is fixedly connected to an output shaft of the motor (15) coaxially, and the worm wheel (13) is fixedly connected to the screw (9) coaxially and is meshed with the worm (14).
5. A foundation pit supporting structure according to claim 1, wherein the telescopic rod (5) comprises a sleeve (51) and a sliding rod (52) which is in sliding fit with the sleeve (51), one end of the sleeve (51) is hinged to the column (2), the abutting plate (6) is hinged to one end, away from the sleeve (51), of the sliding rod (52), a limiting hole (17) is formed in the sleeve (51) along the length direction of the sleeve, a limiting block (18) is arranged on the outer side of the sliding rod (52), and the limiting block (18) is located in the limiting block (18).
6. A foundation pit supporting structure according to claim 3, characterized in that the mounting plate (10) is provided with a construction warning light (16) on top.
7. A foundation pit supporting structure according to claim 1, characterized in that the side of the supporting plate (4) close to the side wall of the foundation pit (3) is provided with a sponge layer (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320614992.1U CN219491017U (en) | 2023-03-25 | 2023-03-25 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320614992.1U CN219491017U (en) | 2023-03-25 | 2023-03-25 | Foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219491017U true CN219491017U (en) | 2023-08-08 |
Family
ID=87481020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320614992.1U Active CN219491017U (en) | 2023-03-25 | 2023-03-25 | Foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219491017U (en) |
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2023
- 2023-03-25 CN CN202320614992.1U patent/CN219491017U/en active Active
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