CN216765901U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN216765901U CN216765901U CN202122446798.0U CN202122446798U CN216765901U CN 216765901 U CN216765901 U CN 216765901U CN 202122446798 U CN202122446798 U CN 202122446798U CN 216765901 U CN216765901 U CN 216765901U
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Abstract
The utility model relates to the technical field of building construction, and discloses a foundation pit supporting structure, which comprises: the device comprises a base, a first motor, a second motor, a first guide screw and a second guide screw, wherein one side of the upper end surface of the base is provided with the first motor, the rotating shaft end of the first motor is connected with a first bidirectional guide screw, and two sides of the first bidirectional guide screw are respectively sleeved with a first screw sleeve; the lower part of the lifting table is hinged with two supporting rods, the end parts of the supporting rods are respectively hinged on the first screw sleeves, the upper part of the lifting table is provided with a lifting plate, and the two sides of the upper end surface of the lifting plate are provided with second screw sleeves in a sliding manner; the supporting and protecting plate is arranged at the upper end of the second thread sleeve; the second motor is arranged on the lifting platform, a rotating shaft of the second motor penetrates through the lifting plate, and a first bevel gear is arranged at the end part of the second motor; and the second bidirectional screw rod is arranged in the second thread sleeve in a penetrating manner, and the middle part of the second bidirectional screw rod is provided with a second bevel gear meshed with the first bevel gear. The foundation pit supporting structure is applicable to foundation pits of different structural forms.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a foundation pit supporting structure.
Background
The foundation pit is divided into a foundation pit with or without support and a foundation pit with support, and the safety of underground structure construction can be ensured by the foundation pit with support. In the process of excavation of the foundation pit, the depth of the foundation pit is continuously increased, and the edge of the foundation pit needs to be supported in order to avoid collapse of the edge of the foundation pit. The existing foundation pit supporting method is mainly characterized in that the edge of a foundation pit is directly supported through fixedly installed supporting rods, but the length of the supporting rods used at present is fixed, and the same supporting rod can only be applied to the edge of the same type of foundation pit, so that the following defects exist: the use can't be adjusted according to the inside different condition of foundation ditch, when protecting the foundation ditch through the guard plate in addition, the angle of guard plate is fixed unchangeable, is unfavorable for adjusting according to actual conditions, has the inconvenient problem of adjusting of excavation supporting.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a foundation pit supporting structure which is applicable to foundation pits of different structural forms.
In order to achieve the above object, the present invention provides a foundation pit supporting structure, including: the device comprises a base, wherein a first motor is arranged on one side of the upper end surface of the base, a first bidirectional screw is connected to the rotating shaft end of the first motor, and first screw sleeves are sleeved on two sides of the first bidirectional screw; the lower part of the lifting table is hinged with two supporting rods, the end parts of the supporting rods are respectively hinged on the first screw sleeves, the upper part of the lifting table is provided with a lifting plate, and two sides of the upper end surface of the lifting plate are provided with second screw sleeves in a sliding manner; the supporting and protecting plate is arranged at the upper end of the second thread sleeve; the second motor is arranged on the lifting platform, a rotating shaft of the second motor penetrates through the lifting plate, and a first bevel gear is arranged at the end part of the rotating shaft; and the second bidirectional screw rod is arranged in the second thread sleeve in a penetrating manner, and the middle part of the second bidirectional screw rod is provided with a second bevel gear meshed with the first bevel gear.
Preferably, fixing rods are arranged on two sides of the upper end face of the base; a rotating hole is formed in the fixing rod close to the first motor, and the first bidirectional screw rod penetrates through the rotating hole; a limiting groove is formed in the fixing rod far away from the first motor, and the end portion of the first bidirectional screw rod is inserted into the limiting groove.
Preferably, a rotating seat is arranged at the upper end of the first screw sleeve, and the lower end of the supporting rod is hinged in the rotating seat; the lower end of the lifting platform is provided with a rotating groove, and the upper end of the supporting rod is hinged in the rotating groove.
Preferably, both sides of the upper end face of the lifting plate are provided with T-shaped sliding grooves, T-shaped sliding blocks are inserted into the T-shaped sliding grooves, and the second thread sleeves are arranged at the upper ends of the T-shaped sliding blocks.
Preferably, an L-shaped support rod is arranged at the upper end of the second screw sleeve, the support plate is hinged to the upper end of the L-shaped support rod, and the lower end of the L-shaped support rod is fixedly connected to the second screw sleeve.
Preferably, an electric telescopic rod is rotatably connected between the side wall of the L-shaped supporting rod and the side wall of the supporting plate.
Preferably, two sides of the upper end surface of the base are respectively provided with at least two telescopic rods, and the upper ends of the telescopic rods are connected to the lower end of the lifting plate.
Preferably, a switch group for controlling the motor is arranged on one telescopic rod.
Preferably, the two sides of the lower end surface of the base are oppositely provided with universal wheels.
Preferably, a limiting rod is arranged between the lifting platform and the lifting plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. the main motor controls the first bidirectional screw rod to rotate forwards or backwards, the first bidirectional screw rod drives the first screw sleeve to move inwards or outwards, the first screw sleeve is controlled to adjust the height of the lifting table through the supporting rod, and the height of the lifting plate is adjusted through the lifting table, so that the supporting adjustment is performed on the foundation pit walls with different heights.
2. The second motor drives the second bevel gear to rotate forwards or backwards through the first bevel gear, the second bidirectional screw rod is controlled to drive the supporting and protecting plate to move left and right through driving the second screw sleeve, and the side foundation pit wall is supported through the supporting and protecting plate.
3. The utility model can also adjust the supporting angle of the supporting and protecting plate through the electric telescopic rod according to the inclination of different foundation pit walls, thereby being convenient for supporting and protecting different foundation pits.
Drawings
Figure 1 is a front view of an excavation supporting structure according to an embodiment of the present invention.
Figure 2 is a cross-sectional view of an excavation supporting structure according to an embodiment of the present invention, showing a partial cross-sectional configuration.
Fig. 3 is a schematic view of a portion a in fig. 2.
Fig. 4 is a schematic view of a portion B in fig. 2.
The reference numbers in the figures are:
1. base 2, first motor 3, first bidirectional screw
4. First screw sleeve 5, lifting platform 6 and lifting plate
7. A second screw sleeve 8, a supporting plate 9 and a second motor
10. A first bevel gear 11, a second bidirectional screw 12 and a fixing rod
13. Rotating hole 14, limiting groove 15 and rotating seat
16. Support rod 17, rotating groove 18 and rotating rod
19. Perforation 20, gag lever post 21, telescopic link
22. Universal wheel 23, switch group 24 and T-shaped sliding groove
25. T-shaped sliding block 26, limiting hole 27 and second bevel gear
28. L-shaped support bar 29, electric telescopic rod.
Detailed Description
Exemplary embodiments will now be described more fully with reference to the accompanying drawings. The exemplary embodiments, however, may be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. In the present disclosure, the terms "include", "arrange", "disposed" and "disposed" are used to mean open-ended inclusion, and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.; the terms "first," "second," and the like are used merely as labels, and are not limiting as to the number or order of their objects; the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a front view of the excavation supporting structure according to this embodiment, showing the structure of the front surface of the excavation supporting structure. Fig. 2 is a schematic view of the excavation supporting structure according to this embodiment, and shows a sectional view of a partial structure of the excavation supporting structure, as compared with fig. 1. Fig. 3 is a schematic view of a portion a in fig. 2. Fig. 4 is a schematic view of a portion B in fig. 2.
Referring to fig. 1 to 4, the supporting structure of the foundation pit in this embodiment includes a base 1, a lifting platform 5, a supporting plate 8, a second motor 9, and a second bidirectional screw 11. Wherein, base 1 up end right side welding has first motor 2. The model of the first motor 2 is YX3-100L1-4, the control end of the first motor 2 is connected to the output end of the switch group 23 through an electric wire, and a first bidirectional screw 3 is welded at the rotating shaft end of the first motor 2.
The two sides of the first bidirectional screw rod 3 are both sleeved with first screw sleeves 4, and the first bidirectional screw rod 3 is in threaded connection with the first screw sleeves 4. The fixed rods 12 are welded on two sides of the upper end face of the base 1, the right fixed rod 12 is provided with a rotating hole 13, and the right side of the first bidirectional screw rod 3 is inserted into the rotating hole 13 and can rotate in the rotating hole 13. A limit groove 14 is arranged on the left fixing rod 12, a bearing is inserted into the limit groove 14, and the left end of the first bidirectional screw 3 is inserted into the inner ring of the bearing. When the first bidirectional screw 3 rotates forward/backward, the two first screw sleeves 4 approach/move away from each other on the first bidirectional screw 3.
The upper end of the first screw sleeve 4 is rotatably connected with a lifting platform 5, the lower end of the lifting platform 5 is of an arc-shaped structure, and a lifting plate 6 is welded at the upper end of the lifting platform 5. Specifically, the upper end of the first screw sleeve 4 is welded with a rotating seat 15, and the upper end of the rotating seat 15 is rotatably connected with a support rod 16. The lower terminal surface processing of elevating platform 5 has the groove 17 that rotates, has welded the dwang 18 in the groove 17 that rotates, and two bracing pieces 16 upper ends all have processed perforation 19, and the dwang 18 alternates in perforation 19, in other words, the upper end of bracing piece 16 is articulated with the lower terminal surface of elevating platform.
Two sides of the upper end face of the lifting plate 6 are slidably connected with second thread sleeves 7, specifically, T-shaped sliding grooves 24 are machined in two sides of the upper end face of the lifting plate 6, T-shaped sliding blocks 25 are inserted into the two T-shaped sliding grooves 24, the T-shaped sliding blocks 25 can slide along the length direction of the T-shaped sliding grooves 24, and the second thread sleeves 7 are welded at the upper ends of the T-shaped sliding blocks 25.
The upper ends of the second screw sleeves 7 are connected with supporting plates 8, as shown in fig. 1 and 2, the upper ends of the two second screw sleeves 7 are welded with L-shaped supporting rods 28, and the supporting plates 8 are rotatably connected to the outer sides of the upper ends of the L-shaped supporting rods 28. An electric telescopic rod 29 is rotatably connected between the outer side wall of the L-shaped supporting rod 28 and the inner side wall of the supporting plate 8, the model of the electric telescopic rod 29 is DDG10-R-33KN, and the inclination angle of the supporting plate 8 can be adjusted through the extension and retraction of the electric telescopic rod 29. The control end of the electric telescopic rod 29 is connected with the output end of the switch group 23 through an electric wire.
The second motor 9 is welded on the upper end face of the lifting platform 5, the model of the second motor 9 is YX3-100L1-4, and the control end of the second motor 9 is connected to the output end of the switch group 23 through an electric wire. The rotating shaft of the second motor 9 passes through the rear end part of the lifting plate 6 and is provided with a first bevel gear 10.
A second bidirectional lead screw 11 penetrates through the two second screw sleeves 7, and the second bidirectional lead screw 11 is in threaded connection with the second screw sleeves 7. A second bevel gear 27 is arranged in the middle of the second bidirectional screw 11, and the first bevel gear 10 is in meshed connection with the second bevel gear 27. When the second motor 9 rotates, the second bidirectional lead screw 11 can be driven to rotate. When the second bidirectional screw rod 11 rotates forwards or backwards, the two second screw sleeves 7 approach to or depart from each other on the second bidirectional screw rod 11, and then the two support plates 8 are driven to approach to or depart from each other, so that the foundation pit is supported.
Limiting rods 20 are welded on two sides of the outer wall of each of the two lifting platforms 5, and the upper ends of the limiting rods 20 are welded on two sides of the lower end face of the lifting plate 6 to play a role in supporting the lifting plate 6.
Two telescopic rods 21 are welded on two sides between the base 1 and the lifting plate 6, and the effect of buffering the lifting plate 6 can be achieved. Universal wheels 22 are welded on two sides of the lower end face of the base 1, and the foundation pit supporting structure is convenient to move.
The switch group 23 can be arranged on any one of the telescopic rods 21, and the switch group 23 is connected with an external power supply through an electric wire and is used for controlling the first motor 2, the second motor 9 and the electric telescopic rod 29.
The middle part of the lifting plate 6 is provided with a limit hole 26, and the rotating shaft of the second motor 9 is arranged in the limit hole 26 in a penetrating way.
The working principle of the embodiment is as follows: the first motor 2 is used for controlling the first bidirectional screw rod 3 to rotate forwards or backwards, the first bidirectional screw rod 3 is used for driving the two first screw sleeves 4 to get close to or get away from each other, the first screw sleeves 4 are controlled to adjust the height of the lifting platform 5 through the supporting rod 16, and the height of the lifting plate 6 is adjusted through the lifting platform 5, so that the support adjustment is carried out on the foundation pit walls with different heights. The second motor 9 drives the second bevel gear 27 to rotate through the first bevel gear 10, the second bidirectional screw 11 is controlled to drive the second screw sleeve 7 to drive the supporting and protecting plate 8 to move towards two sides, the foundation pit wall on the side is supported through the supporting and protecting plate 8, when the foundation pit is small, the two supporting and protecting plates can directly support the foundation pit wall, when the foundation pit is large, one supporting and protecting plate can be abutted to the foundation pit wall, and the other supporting and protecting plate can be abutted to other fixed devices. In addition, the supporting angle of the supporting plate 8 can be adjusted through the electric telescopic rod 29 according to the inclination of different foundation pit walls, so that different foundation pits can be conveniently supported.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A foundation pit supporting structure, comprising:
the device comprises a base, wherein a first motor is arranged on one side of the upper end surface of the base, a first bidirectional screw is connected to the rotating shaft end of the first motor, and first screw sleeves are sleeved on two sides of the first bidirectional screw;
the lower part of the lifting table is hinged with two supporting rods, the end parts of the supporting rods are respectively hinged on the first screw sleeves, the upper part of the lifting table is provided with a lifting plate, and two sides of the upper end surface of the lifting plate are provided with second screw sleeves in a sliding manner;
the supporting and protecting plate is arranged at the upper end of the second thread sleeve;
the second motor is arranged on the lifting platform, a rotating shaft of the second motor penetrates through the lifting plate, and a first bevel gear is arranged at the end part of the rotating shaft;
and the second bidirectional screw rod is arranged in the second thread sleeve in a penetrating manner, and the middle part of the second bidirectional screw rod is provided with a second bevel gear meshed with the first bevel gear.
2. A foundation pit supporting construction according to claim 1, wherein:
fixing rods are arranged on two sides of the upper end face of the base;
a rotating hole is formed in the fixing rod close to the first motor, and the first bidirectional screw rod penetrates through the rotating hole;
a limiting groove is formed in the fixing rod far away from the first motor, and the end portion of the first bidirectional screw rod is inserted into the limiting groove.
3. A foundation pit supporting structure according to claim 1,
the upper end of the first screw sleeve is provided with a rotating seat, and the lower end of the supporting rod is hinged in the rotating seat;
the lower end of the lifting platform is provided with a rotating groove, and the upper end of the supporting rod is hinged in the rotating groove.
4. An excavation supporting construction as claimed in claim 1,
the lifting plate is characterized in that T-shaped sliding grooves are formed in two sides of the upper end face of the lifting plate, T-shaped sliding blocks are inserted into the T-shaped sliding grooves, and the second thread sleeves are arranged at the upper ends of the T-shaped sliding blocks.
5. A foundation pit supporting structure according to claim 1,
the upper end of the second screw sleeve is provided with an L-shaped supporting rod, the supporting and protecting plate is hinged to the upper end of the L-shaped supporting rod, and the lower end of the L-shaped supporting rod is fixedly connected to the second screw sleeve.
6. A foundation pit supporting structure according to claim 5,
an electric telescopic rod is rotatably connected between the side wall of the L-shaped supporting rod and the side wall of the supporting and protecting plate.
7. A foundation pit supporting structure according to claim 1,
two sides of the upper end face of the base are respectively provided with at least two telescopic rods, and the upper ends of the telescopic rods are connected to the lower end of the lifting plate.
8. A foundation pit supporting structure according to claim 7,
and a switch group for controlling the motor is arranged on one telescopic rod.
9. A foundation pit supporting structure according to claim 1,
the universal wheels are oppositely arranged on two sides of the lower end face of the base.
10. A foundation pit supporting structure according to claim 1,
and a limiting rod is arranged between the lifting platform and the lifting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122446798.0U CN216765901U (en) | 2021-10-12 | 2021-10-12 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122446798.0U CN216765901U (en) | 2021-10-12 | 2021-10-12 | Foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216765901U true CN216765901U (en) | 2022-06-17 |
Family
ID=81955414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122446798.0U Active CN216765901U (en) | 2021-10-12 | 2021-10-12 | Foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216765901U (en) |
-
2021
- 2021-10-12 CN CN202122446798.0U patent/CN216765901U/en active Active
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