CN219138308U - A construction platform for shaft expansion and excavation - Google Patents

Abstract

The utility model discloses a construction platform for shaft expansion and excavation, which belongs to the technical field of shaft construction platforms and comprises a support base for shaft construction and a biaxial motor fixed in the support base. The surface of the support base is fixedly connected with The two output ends of the biaxial motor are fixedly connected with a guide screw, the outer wall of the guide screw is threaded with a support sleeve, the support sleeve is slidably connected with a support column, and the support column is located at The end surface outside the support sleeve is provided with a positioning groove, and a positioning block is inserted into the positioning groove of the support column. The surface of the supporting column is fixedly connected with a fixing frame. The construction platform for shaft expansion and excavation can not only form a stable support for the support seat during the construction process, ensure the safety of construction, but also facilitate the disassembly and assembly of the installation frame and the support wheels.

Description

A construction platform for shaft expansion and excavation

technical field

The utility model belongs to the technical field of shaft construction platforms, in particular to a construction platform for shaft expansion and excavation.

Background technique

The current common construction method for engineering shaft construction is to raise the pilot well, then expand the excavation, and carry out slag removal through the pilot well. During the expansion and excavation process, welded ribbed steel mesh or steel plates are mainly used as the construction platform at present, and the pilot hole is covered, so as to realize the downhole operation of personnel and equipment, and prevent casualties caused by falling into the pilot well.

If the existing cage is used as the construction platform, there must be a large distance between the edge of the cage and the inner wall of the shaft to facilitate the lifting and lowering of the cage, which will make the construction personnel far away from the inner wall of the shaft during construction. Deviations are prone to occur, which affects the construction effect, and the hanging cage is prone to shaking, which affects the construction force balance of the construction personnel.

Utility model content

The purpose of this utility model is to provide a construction platform for shaft expansion and excavation to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A construction platform for shaft expansion and excavation, comprising a support base for shaft construction and a biaxial motor fixed in the support base, the surface of the support base is fixedly connected with a guardrail, and the surface of the guardrail is fixedly connected with a fixed frame, the two output ends of the biaxial motor are fixedly connected with a guide screw, the outer wall of the guide screw is threaded with a support sleeve, the support sleeve is slidably connected with a support column, and the support column is located on the support The end surface outside the sleeve is provided with a positioning groove, and a positioning block is inserted into the positioning groove of the support column. The surface of the support column is fixedly connected with a fixing frame.

In a further embodiment, guide holes are provided on the surface of the fixing frame, and positioning pins are slidably connected to the guiding holes on the surface of the fixing frame, and positioning holes matching the positioning pins are provided on the surface of the positioning block.

In a further embodiment, the outer wall of the positioning pin is fixedly connected to the limiting ring, and the outer wall of the positioning pin is sleeved with a fixed spring for supporting the limiting ring.

In a further embodiment, the end surface of the support column located inside the support sleeve is fixedly connected with the limit slider, and the support sleeve is fixedly connected with a partition, and one side of the partition is provided with a spacer for positioning the limit slide. Blocks are supported by support springs.

In a further embodiment, the outer walls on both sides of the support sleeve are fixedly connected to the limit posts, and the outer wall of the limit post away from the support sleeve is provided with a rotation groove, and the rotation slots of the limit posts rotate Connect the limit ball.

In a further embodiment, four corners of the surface of the fixed frame are provided with threaded holes, and the threaded holes on the surface of the fixed frame are internally threaded with pull rings.

Technical effect and advantage of the present utility model:

This construction platform is used for shaft expansion and excavation. The dual-axis motor drives the guide screw to rotate, thereby driving the support sleeve to move, so that the two support wheels fit on the outer walls on both sides of the shaft, so that the support seat can be stably supported and avoided. The construction platform shakes during the construction process, so as to ensure the stability during the construction process; the limit ring is supported by the fixed spring, so that the positioning pin is inserted into the positioning hole of the positioning block, so that the installation frame and the mounting frame can be quickly completed. The support wheel is installed, and the positioning pin is pulled at the same time to separate the positioning pin from the positioning block, and the installation frame and support wheel can be replaced quickly, which is convenient for later maintenance. It forms a stable support for the support seat, ensures the safety of construction, and facilitates the disassembly and assembly of the installation frame and support wheels.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a cross-sectional view of the connection between the support seat and the mounting frame of the present invention;

Fig. 3 is the enlarged view of place A in Fig. 2 of the present utility model;

Fig. 4 is an enlarged view of B in Fig. 2 of the present invention.

In the figure: 1. Support seat; 11. Guardrail; 12. Fixed frame; 13. Pull ring; 2. Biaxial motor; 21. Guide screw; 22. Support sleeve; 23. Partition plate; 24. Support spring; 25, limit slider; 26, support column; 27, limit column; 28, limit ball; 3, positioning block; 31, installation frame; 32, support wheel; 33, fixed frame; 34, positioning pin; 35 , limit ring; 36, fixed spring.

Detailed ways

In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features known in the art are not described.

In order to form a stable support for the support seat 1 during the construction process, as shown in Figure 1, Figure 2 and Figure 3, the surface of the support seat 1 is welded and fixed with a guardrail 11, and the surface of the guardrail 11 is welded and fixed with a fixed frame 12 , the four corners of the surface of the fixed frame 12 are provided with threaded holes, and the threaded holes on the surface of the fixed frame 12 are internally threaded with a pull ring 13;

The bottom wall of the inner cavity of the support base 1 is equipped with a biaxial motor 2, and the two output ends of the biaxial motor 2 are all fixedly connected with a lead screw 21 through a coupling, and the threads of the two lead screws 21 are in the opposite direction. The outer wall of 21 is threadedly connected with supporting sleeve 22, and the outer walls of both sides of supporting base 1 are provided with moving holes for supporting sleeve 22 to move, and supporting column 26 is slidably connected in supporting sleeve 22, and supporting column 26 is positioned at supporting sleeve. The end face of the 22 inside is welded to fix the limit slider 25, and the support sleeve 22 is provided with a limit chute for the limit slide 25 to move. A support spring 24 for supporting the limit slider 25 is provided, and the outer walls on both sides of the support sleeve 22 are welded and fixed with limit columns 27, and the outer wall of the limit column 27 away from the support sleeve 22 is provided with a rotation groove. And the limit ball 28 is rotated and connected in the rotation groove of the limit post 27, and the inner walls on both sides of the support seat 1 are provided with two slide grooves for the limit ball 28 to slide, so that when the lead screw 21 rotates, the support sleeve can be guaranteed. 22 move horizontally in the support seat 1;

The end face of the support column 26 outside the support sleeve 22 is provided with a positioning groove, and the positioning block 3 is inserted in the positioning groove of the support column 26, and the end surface of the positioning block 3 located at the outside of the support column 26 is welded and fixed with a mounting frame 31, and the installation The support wheel 32 is connected with the support wheel 32 through the rotation of the rotating shaft in the frame 31, and the guide screw 21 is driven to rotate by the biaxial motor 2, thereby driving the support sleeve 22 to move, so that the two support wheels 32 are attached to the outer walls of both sides of the shaft, thereby being able to The support seat 1 is stably supported to avoid the construction platform from shaking during the construction process. During the lifting of the construction platform, under the elastic force of the support spring 24, the support column 26 is stretched in the support sleeve 22, which can Make the support wheel 32 move more smoothly in the uneven shaft, and make the support wheel 32 fit the inner wall of the shaft without starting the biaxial motor 2 .

In order to facilitate disassembly and assembly of the mounting frame 31 and the support wheels 32, as shown in Figure 2 and Figure 4, the surface of the support column 26 is welded and fixed with a fixed frame 33, the surface of the fixed frame 33 is provided with guide holes, and the surface of the fixed frame 33 Positioning pin 34 is slidably connected in the guide hole of the guide hole, and the surface of positioning block 3 is provided with the positioning hole matching with positioning pin 34, and the surface of support column 26 is provided with the through hole for positioning pin 34 to move, and the outer wall of positioning pin 34 The limit ring 35 is welded and fixed, and the outer wall of the positioning pin 34 is sleeved with a fixed spring 36 for supporting the limit ring 35, and the limit ring 35 is supported by the fixed spring 36, so that the positioning pin 34 is inserted into the positioning block 3, so that the installation of the mounting frame 31 and the support wheel 32 can be quickly completed, and the positioning pin 34 is pulled at the same time, so that the positioning pin 34 is separated from the positioning block 3, and the mounting frame 31 and the support wheel 32 can be quickly completed. Replacement is convenient for later maintenance.

The working principle of the utility model is as follows:

This construction platform is used for shaft expansion and excavation. When in use, the steel wire rope is fixed to the pull ring 13, and at the same time the steel wire rope is fixed to the external hoist. The shaft motor 2 and the biaxial motor 2 drive the guide screw 21 to rotate, thereby driving the support sleeve 22 to move, so that the two support wheels 32 fit on the outer walls on both sides of the shaft, thereby stably supporting the support base 1 and avoiding the construction The platform shakes during the construction process. During the lifting process of the construction platform, under the elastic force of the support spring 24, the support column 26 is stretched in the support sleeve 22, and the support wheel 32 is moved in the uneven shaft. more smoothly, under the premise of not needing to start the biaxial motor 2, the support wheel 32 is made to fit the inner wall of the shaft.

In the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. indicate orientation or positional relationship It is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the utility model is used, it is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention. In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In this utility model, unless otherwise specified and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense, for example, "connection" can be a fixed connection, or be detachably connected, or integrally connected. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the description of the utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying A device or unit must have a specific orientation, be constructed and operate in a specific orientation, and therefore, should not be construed as limiting the invention.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: it is still possible Any modification or equivalent replacement made to the specific implementation of the present utility model without departing from the spirit and scope of the present utility model shall be covered within the protection scope of the claims of the present utility model.

Claims (6)

1. A be used for shaft to expand dig construction platform, including being used for supporting seat (1) of shaft construction and be fixed in biax motor (2) in supporting seat (1), its characterized in that: the utility model discloses a support seat (1) fixed surface is connected with rail guard (11), and fixed surface of rail guard (11) is connected with fixed frame (12), two output of biax motor (2) are all fixedly connected with lead screw (21), the outer wall threaded connection of lead screw (21) has support sleeve (22), sliding connection has support column (26) in support sleeve (22), the constant head tank has been seted up to support column (26) are located the terminal surface of support sleeve (22) outside, and peg graft in the constant head tank of support column (26) has locating piece (3), locating piece (3) are located the terminal surface of support column (26) outside and install mounting bracket (31), and mounting bracket (31) internal rotation is connected with supporting wheel (32), the fixed frame (33) of surface fixedly connected with of support column (26).

2. A shaft extension excavation construction platform as claimed in claim 1, wherein: the surface of the fixing frame (33) is provided with a guide hole, the guide hole on the surface of the fixing frame (33) is connected with a locating pin (34) in a sliding manner, and the surface of the locating block (3) is provided with a locating hole matched with the locating pin (34).

3. A shaft extension excavation construction platform as claimed in claim 2, wherein: the outer wall of the locating pin (34) is fixedly connected with a limiting ring (35), and the outer wall of the locating pin (34) is sleeved with a fixing spring (36) for supporting the limiting ring (35).

4. A shaft extension excavation construction platform as claimed in claim 1, wherein: the support column (26) is located the terminal surface fixedly connected with spacing slider (25) of support sleeve (22) inside, and fixedly connected with baffle (23) in support sleeve (22), one side of baffle (23) is equipped with support spring (24) that are used for carrying out the support to spacing slider (25).

5. The extended excavation construction platform for a shaft of claim 4, wherein: the outer walls of two sides of the support sleeve (22) are fixedly connected with limiting columns (27), a rotating groove is formed in the outer wall of one side, far away from the support sleeve (22), of the limiting columns (27), and limiting balls (28) are rotationally connected in the rotating groove of the limiting columns (27).

6. A shaft extension excavation construction platform as claimed in claim 1, wherein: screw holes are formed in four corners of the surface of the fixed frame (12), and pull rings (13) are connected in the screw holes in the surface of the fixed frame (12) in a threaded mode.

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