Auxiliary device for underground excavation in urban central zone

Abstract

The utility model discloses a subsurface excavation auxiliary device for an urban central zone, and belongs to the technical field of grouting assistance. The device comprises a mounting base, a push handle is fixedly mounted on the left side of the top of the mounting base, a stirring tank is fixedly mounted on the top of the mounting base and located on the right side of the push handle, a feeding hopper is fixedly mounted at the upper end of the front face of the stirring tank, and a uniform stirring mechanism is arranged in the stirring tank. A slurry pump is arranged at the position, located on the right side of the stirring tank, of the top of the mounting base, a conveying pipe is arranged on the outer wall of the slurry pump, the uniform stirring mechanism comprises a mounting column, one side wall face of the mounting column is fixedly connected with the inner wall of the stirring tank, an inner gear ring is fixedly mounted on the other side wall face of the mounting column, and a uniform stirring assembly is arranged on the inner wall of the inner gear ring. The stirring device is simple and convenient to operate, the stirring effect of the whole device is improved, the stirring is more uniform, and the stirring efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grouting assistance, in particular to a dark excavation assistance device in a city center. Background Art

[0002] Curtain grouting is a grouting technology that uses hydraulic or pneumatic pressure to pressurize a solidifiable slurry into the specified rock and soil layer through a specially designed grouting borehole at a designed concentration to fill the cracks or pores in the rock and soil. It aims to improve the physical and mechanical properties of the grouting object to meet the needs of various projects. During the construction of a tunnel, a vertical shaft extending downward needs to be dug on the ground first, and then the tunnel is excavated through the vertical shaft. Before grouting the vertical shaft, curtain grouting needs to be performed on it first.

[0003] The existing document (publication number CN208885305U) discloses a grouting machine for tunnel construction, including a grouting machine device, wherein a stirring device is fixedly connected to the top of the grouting machine device, a stirring bearing is fixedly connected to the left side of the stirring device, a stirring drum is fixedly connected to the left side of the stirring bearing, the stirring drum is located inside a feeding device, a water inlet box is fixedly connected to the left side of the feeding device, a water inlet pipe is fixedly connected to the right side of the water inlet box and the left side of the feeding device, a heater is fixedly connected to the left side of the water inlet box, and the bottom of the feeding device is fixedly connected to the top of the discharging device. The grouting machine still has the following problems during actual use: the stirring method of the device during use is relatively single, and the raw materials are stirred by the stirring bearing provided, the stirring efficiency is low during the stirring process, the raw materials are mixed unevenly, and the stirring effect is poor. Utility Model Content

[0004] The purpose of the utility model is to provide a dark excavation auxiliary device in the city center, which has a simple structure and is easy to operate, improves the stirring effect of the entire device, makes the stirring more uniform, and improves the stirring efficiency, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A concealed excavation auxiliary device in the city center area comprises a mounting base, a push handle is fixedly mounted on the top left side of the mounting base, a mixing tank is fixedly mounted on the top of the mounting base located on the right side of the push handle, a feed hopper is fixedly mounted on the front upper end of the mixing tank, a uniform stirring mechanism is arranged inside the mixing tank, a slurry pump is arranged on the top right side of the mixing tank, a conveying pipe is arranged on the outer wall of the slurry pump, the uniform stirring mechanism comprises a mounting column, and one side wall of the mounting column is fixedly connected to the inner wall of the mixing tank, an inner gear ring is fixedly mounted on the other side wall of the mounting column, a uniform stirring assembly is arranged on the inner wall of the inner gear ring, the uniform stirring assembly comprises a servo motor, and the bottom of the servo motor is fixedly connected to the top of the mixing tank, and the output end of the servo motor movably passes through the top of the inner wall of the mixing tank.

[0007] Preferably, a rotating column is fixedly mounted on the output end of the servo motor, and a large gear is fixedly mounted on the bottom of the rotating column.

[0008] Preferably, a limit retaining frame is movably mounted on the outer wall of the rotating column, and a first connecting column is movably mounted on the left side of the inner wall of the limit retaining frame.

[0009] Preferably, a first pinion is fixedly mounted on the middle end of the outer wall of the first connecting column, and the right side of the outer wall of the first pinion is movably connected to the left side of the outer wall of the large gear, and the outer wall of the first pinion is movably meshed with the inner wall of the inner gear ring.

[0010] Preferably, a first stirring rod is fixedly mounted on the bottom of the first connecting column.

[0011] Preferably, a second connecting column is movably mounted on the right side of the inner wall of the position limiting retaining frame.

[0012] Preferably, a second pinion is fixedly mounted on the middle end of the outer wall of the second connecting column.

[0013] Preferably, the left side of the outer wall of the second pinion gear is movably meshed with the right side of the outer wall of the large gear, and the outer wall of the second pinion gear is movably meshed with the inner wall of the inner gear ring.

[0014] Preferably, a second stirring rod is fixedly mounted on the bottom of the second connecting column.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. In the utility model, the uniform stirring mechanism can drive the first stirring rod and the second stirring rod to revolve along the large gear while rotating, thereby improving the stirring effect of the entire device, making the stirring more uniform and improving the stirring efficiency.

[0017] 2. In the utility model, the feed hopper is arranged at the upper front end of the mixing tank, so that the poured concrete can effectively avoid the inner tooth ring on the uniform mixing mechanism, avoiding the contact between the concrete and the inner tooth ring on the uniform mixing mechanism and causing damage to the uniform mixing mechanism, thereby improving the service life of the entire device.

[0018] 3. In the utility model, the limit retaining frame can make the entire uniform stirring mechanism run more stably, and at the same time can keep a certain distance between the first pinion and the second pinion, thereby improving the stirring effect of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the uniform stirring mechanism of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the uniform stirring component of the utility model.

[0022] In the figure: 10, mounting base; 11, push handle; 12, mixing tank; 13, feed hopper; 14, uniform mixing mechanism; 15, slurry pump; 16, conveying pipe; 17, mounting column; 18, inner gear ring; 19, uniform mixing assembly; 20, servo motor; 21, rotating column; 22, large gear; 23, limit retaining frame; 24, first connecting column; 25, first small gear; 26, first stirring rod; 27, second connecting column; 28, second small gear; 29, second stirring rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3The present embodiment provides a concealed excavation auxiliary device in the central area of ​​a city, including a mounting base 10, a push handle 11 is fixedly installed on the left side of the top of the mounting base 10, a stirring tank 12 is fixedly installed on the top of the mounting base 10, located on the right side of the push handle 11, a feed hopper 13 is fixedly installed on the upper front end of the stirring tank 12, a uniform stirring mechanism 14 is arranged inside the stirring tank 12, a slurry pump 15 is arranged on the top of the mounting base 10, located on the right side of the stirring tank 12, and a conveying pipe 16 is arranged on the outer wall of the slurry pump 15. By setting up the uniform stirring mechanism 14, the uniform stirring mechanism 14 can drive the first stirring rod 26 and the second stirring rod 29 to revolve along the large gear 22 while rotating, thereby improving the stirring effect of the entire device, making the stirring more uniform, and improving its stirring efficiency.

[0025] The uniform mixing mechanism 14 includes a mounting column 17, and one side wall of the mounting column 17 is fixedly connected to the inner wall of the mixing tank 12, and the other side wall of the mounting column 17 is fixedly mounted with an inner gear ring 18, and the inner wall of the inner gear ring 18 is provided with a uniform mixing component 19. By providing a feed hopper 13, the feed hopper 13 is provided at the upper end of the front side of the mixing tank 12, so that the poured concrete can effectively avoid the inner gear ring 18 on the uniform mixing mechanism 14, avoiding the contact between the concrete and the inner gear ring 18 on the uniform mixing mechanism 14, thereby preventing the uniform mixing mechanism 14 from being damaged, thereby improving the service life of the entire device.

[0026] The uniform stirring assembly 19 includes a servo motor 20, and the bottom of the servo motor 20 is fixedly connected to the top of the stirring tank 12, the output end of the servo motor 20 movably penetrates the top of the inner wall of the stirring tank 12, the output end of the servo motor 20 is fixedly installed with a rotating column 21, the bottom of the rotating column 21 is fixedly installed with a large gear 22, the outer wall of the rotating column 21 is movably installed with a limit retainer 23, the left side of the inner wall of the limit retainer 23 is movably installed with a first connecting column 24, the middle end of the outer wall of the first connecting column 24 is fixedly installed with a first pinion 25, and the right side of the outer wall of the first pinion 25 is movably connected to the left side of the outer wall of the large gear 22, and the outer wall of the first pinion 25 is movably meshed with the inner wall of the inner gear ring 18, A first stirring rod 26 is fixedly installed at the bottom of the first connecting column 24, a second connecting column 27 is movably installed on the right side of the inner wall of the limit retaining frame 23, a second pinion 28 is fixedly installed on the middle end of the outer wall of the second connecting column 27, and the left side of the outer wall of the second pinion 28 is movably meshed with the right side of the outer wall of the large gear 22, the outer wall of the second pinion 28 is movably meshed with the inner wall of the inner gear ring 18, and a second stirring rod 29 is fixedly installed at the bottom of the second connecting column 27. By setting up the limit retaining frame 23, the limit retaining frame 23 can make the entire uniform stirring mechanism 14 run more stably, and at the same time can keep a certain distance between the first pinion 25 and the second pinion 28, thereby improving the stirring effect of the entire device.

[0027] Working principle: By turning on the switch of the servo motor 20, the output end of the servo motor 20 drives the rotating column 21 to start rotating, the rotating column 21 drives the large gear 22 to start rotating, and the large gear 22 drives the first small gear 25 and the second small gear 28 to start rotating along the inner wall of the inner gear ring 18 respectively, the first small gear 25 drives the first stirring rod 26 to rotate along the large gear 22 while rotating through the first connecting column 24, and the second small gear 28 drives the second stirring rod 29 to rotate along the large gear 22 while rotating through the second connecting column 27, so as to achieve a uniform stirring effect.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for assisting underground excavation in the central area of ​​a city, comprising a mounting base (10), characterized in that: A push handle (11) is fixedly mounted on the left side of the top of the mounting base (10); a stirring tank (12) is fixedly mounted on the top of the mounting base (10) on the right side of the push handle (11); a feed hopper (13) is fixedly mounted on the upper front end of the stirring tank (12); a uniform stirring mechanism (14) is arranged inside the stirring tank (12); a slurry pump (15) is arranged on the top of the mounting base (10) on the right side of the stirring tank (12); a conveying pipe (16) is arranged on the outer wall of the slurry pump (15); and the uniform stirring mechanism (14) is arranged inside the stirring tank (12). (14) comprises a mounting column (17), and one side wall of the mounting column (17) is fixedly connected to the inner wall of the stirring tank (12), and the other side wall of the mounting column (17) is fixedly installed with an inner gear ring (18), and the inner wall of the inner gear ring (18) is provided with a uniform stirring component (19), and the uniform stirring component (19) comprises a servo motor (20), and the bottom of the servo motor (20) is fixedly connected to the top of the stirring tank (12), and the output end of the servo motor (20) movably passes through the top of the inner wall of the stirring tank (12).

2. The city center dark excavation auxiliary device according to claim 1 is characterized by: A rotating column (21) is fixedly mounted on the output end of the servo motor (20), and a large gear (22) is fixedly mounted on the bottom of the rotating column (21).

3. The city center dark excavation auxiliary device according to claim 2 is characterized by: A limit retaining frame (23) is movably mounted on the outer wall of the rotating column (21), and a first connecting column (24) is movably mounted on the left side of the inner wall of the limit retaining frame (23).

4. The city center dark excavation auxiliary device according to claim 3 is characterized by: A first pinion gear (25) is fixedly mounted on the middle end of the outer wall of the first connecting column (24), and the right side of the outer wall of the first pinion gear (25) is movably connected to the left side of the outer wall of the large gear (22), and the outer wall of the first pinion gear (25) is movably meshed with the inner wall of the inner gear ring (18).

5. The city center dark excavation auxiliary device according to claim 3 is characterized by: A first stirring rod (26) is fixedly mounted on the bottom of the first connecting column (24).

6. The city center dark excavation auxiliary device according to claim 3 is characterized by: A second connecting column (27) is movably mounted on the right side of the inner wall of the position limiting retaining frame (23).

7. The city center dark excavation auxiliary device according to claim 6 is characterized by: A second pinion gear (28) is fixedly mounted on the middle end of the outer wall of the second connecting column (27).

8. The city center dark excavation auxiliary device according to claim 7 is characterized by: The left side of the outer wall of the second pinion gear (28) is movably meshed with the right side of the outer wall of the large gear (22), and the outer wall of the second pinion gear (28) is movably meshed with the inner wall of the inner gear ring (18).

9. The city center dark excavation auxiliary device according to claim 6, characterized in that: A second stirring rod (29) is fixedly mounted on the bottom of the second connecting column (27).

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