CN220013706U - Telescopic foundation pit supporting structure - Google Patents

Abstract

The utility model relates to the technical field of support, in particular to a telescopic foundation pit support structure which comprises a base, wherein a lifting mechanism is arranged on the base, a telescopic mechanism is arranged on the lifting mechanism, a support plate is arranged on the telescopic mechanism, the lifting mechanism comprises a support, the support is fixedly arranged on the base, a square box is arranged on the support, and a square rod is arranged in the square box in a sliding manner. The lifting mechanism is arranged, so that the purpose of conveniently adjusting the supporting height is achieved, the supporting work of the foundation pit is facilitated, and the telescopic mechanism is arranged, so that the foundation pit with different widths is conveniently supported.

Description

Telescopic foundation pit supporting structure

Technical Field

The utility model relates to the technical field of support, in particular to a telescopic foundation pit support structure.

Background

The support is the general term for the support, reinforcement or the construction or other measures of surrounding rock after the excavation of the underground chamber and the construction safety.

The support is the general term for the support, reinforcement or the construction or other measures of surrounding rock after the excavation of the underground chamber and the construction safety. When the traditional mining method is adopted for construction, three types of support are reserved, a bracket is erected and rocks are reinforced. When the new Olympic method is adopted, the temporary support and the permanent support can be divided according to the supporting effect, and the temporary support and the permanent support comprise various types such as shotcrete support, steel-wood support, concrete lining, grouting support and the like.

At present, when the foundation pit is excavated, the selection of the supporting structure is particularly important, the foundation pit structure is unstable due to the fact that lateral pressure is large, the safety coefficient is extremely low, the height of the existing foundation pit supporting structure is inconvenient to adjust, and the length of the supporting structure is inconvenient to adjust foundation pits with different widths, so that the practicability of the foundation pit supporting structure is reduced, and therefore, the telescopic foundation pit supporting structure is provided.

Disclosure of Invention

The utility model aims to provide a telescopic foundation pit supporting structure, which aims to solve the problems that the supporting height of the foundation pit supporting structure is inconvenient to adjust and the foundation pit supporting with different widths is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a telescopic foundation pit supporting structure, includes the base, be equipped with elevating system on the elevating system, be equipped with the backplate on the elevating system, elevating system includes the support, support fixed mounting is on the base, be equipped with square case on the support, the slip is provided with square pole in the square case.

Preferably, the square box is rotationally connected with a screw rod, and the screw rod is in threaded connection with the square rod.

Preferably, the base is provided with a first motor, and the rotating shaft end of the first motor is fixedly connected with the screw rod.

Preferably, the telescopic mechanism comprises a bar-shaped box fixedly mounted at the top end of the square rod.

Preferably, a mounting plate is arranged in the strip-shaped box, and a rotating rod is rotationally connected to the mounting plate.

Preferably, the rotating rod is provided with positive and negative threads, the rotating rod is connected with an extension rod in a threaded manner, the extension rod slides in the bar-shaped box, and the support plate is fixedly arranged at one end of the extension rod.

Preferably, the rotating rod is provided with a toothed ring, a second motor is arranged in the bar-shaped box, a gear is arranged at the rotating shaft end of the second motor, and the gear is meshed with the toothed ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. the lifting mechanism is arranged, so that the purpose of conveniently adjusting the supporting height is achieved, and the supporting work of the foundation pit is facilitated.

2. The telescopic mechanism is arranged, so that foundation pits with different widths can be supported conveniently.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a square box of the present utility model;

FIG. 3 is a cross-sectional view of a bar box according to the present utility model.

In the figure: 1. a base; 21. a first motor; 22. a bracket; 23. a square box; 24. square bar; 25. a screw rod; 31. a bar-shaped box; 32. an extension rod; 33. a second motor; 34. a mounting plate; 35. a gear; 36. a toothed ring; 37. a rotating rod; 4. and (5) supporting the guard board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Please refer to fig. 1, fig. 2 and fig. 3, a telescopic foundation pit supporting structure in the illustration, including base 1, be equipped with elevating system on the base 1, through being provided with elevating system, play the purpose of conveniently adjusting the supporting height, do benefit to the supporting work of foundation pit, be equipped with telescopic machanism on the elevating system, through being provided with telescopic machanism, be convenient for support the foundation pit of different width, be equipped with backplate 4 on the telescopic machanism, elevating system includes support 22, through being provided with support 22, be convenient for accept square case 23's installation, support 22 fixed mounting is on base 1, be equipped with square case 23 on the support 22, square case 23's top is the opening setting, the slip is provided with square pole 24 in square case 23, through being provided with square pole 24, be convenient for accept the installation of bar case 31.

Wherein, square case 23 internal rotation is connected with lead screw 25, and lead screw 25 and square pole 24 threaded connection are through being provided with lead screw 25, are convenient for drive square pole 24 and carry out vertical removal along square case 23's inner wall, are equipped with first motor 21 on the base 1, and first motor 21's pivot end and lead screw 25 fixed connection, first motor 21 have positive and negative rotation function, through being provided with first motor 21, are convenient for drive lead screw 25 and rotate.

Simultaneously, telescopic machanism includes bar case 31, the both ends of bar case 31 are the opening setting, and inside cavity is square, bar case 31 fixed mounting is in the top of square pole 24, be equipped with mounting panel 34 in the bar case 31, through being provided with mounting panel 34, be convenient for accept the installation of bull stick 37, be connected with bull stick 37 on the mounting panel 34 in the rotation, be equipped with positive and negative screw thread on bull stick 37, through setting up the bull stick 37 that has positive and negative screw thread, be convenient for drive both sides extension bar 32 and carry out opposite directions or reverse slip along bar case 31 in, threaded connection has extension bar 32 on the bull stick 37, through being provided with extension bar 32, be convenient for accept the installation of backplate 4, extension bar 32 slides in bar case 31, the one end of backplate 4 fixed mounting extension bar 32, be equipped with the toothed ring 36 on the bull stick 37, through being provided with toothed ring 36, be convenient for mesh with toothed ring 35, be equipped with second motor 33 in the bar case 31, the pivot end of second motor 33 is equipped with toothed ring 35, toothed ring 35 meshes with toothed ring 36, through being provided with toothed ring 35 and toothed ring 36, play 37 pivoted purpose at second motor 33 during operation.

When the foundation pit supporting structure is used: place supporting construction to the foundation ditch on the bottom of the center line, start first motor 21, first motor 21 drives lead screw 25 and rotates, lead screw 25 drives square pole 24 and carries out vertical upward movement along the inner wall of square case 23, until support plate 4 removes to suitable high position, close first motor 21, start second motor 33, second motor 33 drives bull stick 37 through gear 35 and ring gear 36 and rotates, be equipped with positive and negative screw thread on the bull stick 37, will drive both sides extension rod 32 and carry out the reverse movement along the inner wall of bar case 31, extension rod 32 will shift out bar case 31, until support plate 4 contacts the inner wall of foundation ditch, through above-mentioned setting, be convenient for support the foundation ditch.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A telescoping foundation pit support structure, comprising:

base (1), be equipped with elevating system on base (1), be equipped with telescopic machanism on the elevating system, be equipped with backplate (4) on the telescopic machanism, elevating system includes support (22), support (22) fixed mounting is on base (1), be equipped with square case (23) on support (22), the interior sliding of square case (23) is provided with square pole (24).

2. The telescoping pit support structure of claim 1, wherein: the square box (23) is rotationally connected with a screw rod (25), and the screw rod (25) is in threaded connection with the square rod (24).

3. The telescoping pit support structure of claim 2, wherein: the base (1) is provided with a first motor (21), and the rotating shaft end of the first motor (21) is fixedly connected with a screw rod (25).

4. The telescoping pit support structure of claim 1, wherein: the telescopic mechanism comprises a strip-shaped box (31), and the strip-shaped box (31) is fixedly arranged at the top end of the square rod (24).

5. The telescoping pit support structure of claim 4, wherein: the strip-shaped box (31) is internally provided with a mounting plate (34), and the mounting plate (34) is rotationally connected with a rotating rod (37).

6. The telescoping pit support structure of claim 5, wherein: the rotary rod (37) is provided with positive and negative threads, the rotary rod (37) is connected with an extension rod (32) in a threaded mode, the extension rod (32) slides in the strip-shaped box (31), and one end of the extension rod (32) is fixedly mounted on the support plate (4).

7. The telescoping pit support structure of claim 6, wherein: be equipped with ring gear (36) on bull stick (37), be equipped with second motor (33) in bar case (31), the pivot end of second motor (33) is equipped with gear (35), gear (35) and ring gear (36) mesh mutually.