Adjustable anti-segregation elephant trunk for ultra-deep vertical shaft

By setting buffer parts and adjusting the discharge position in the ultra-deep shaft slip pipe, the separation problem caused by the excessively fast drop speed of concrete is solved, and the homogeneity of concrete and the stable operation of slip pipes are achieved.

CN223241428UActive Publication Date: 2025-08-19CHINA RAILWAY TUNNEL GROUP CO LTD +1
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Patent Information

Application Number
CN202422597929.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-08-19
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

In the ultra-deep shaft, the concrete falls too fast in the slip pipe, resulting in serious separation and affecting the homogeneity of the concrete.

Method used

An ultra-deep vertical shaft adjustable anti-segment slip pipe is designed, and a buffer member is used to set it in the length direction within the slip pipe to buffer the concrete drop speed, and adjust the discharge position through the installation component, combining the anti-blocking component and gravity sensor to deal with the blockage.

Benefits of technology

Effectively buffer the concrete drop speed, reduce segregation phenomenon, maintain the homogeneity of the concrete, and improve the service life and practicality of the slip pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of civil construction, and provides an adjustable anti-segregation elephant trunk for an ultra-deep vertical shaft, the adjustable anti-segregation elephant trunk comprises an elephant trunk body, a hopper and a plurality of buffer parts, the elephant trunk body is vertically mounted on the side wall of the vertical shaft, the hopper is mounted at the upper end of the elephant trunk body, and all the buffer parts are arranged in the elephant trunk body and are arranged at intervals in the length direction of the elephant trunk body. According to the adjustable anti-segregation elephant trunk for the ultra-deep vertical shaft, the segregation phenomenon of concrete in the elephant trunk transportation process is reduced.
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Description

Technical Field

[0001] The present application relates to the technical field of civil construction, and in particular to an adjustable anti-segregation chute for an ultra-deep vertical shaft. Background Art

[0002] Ultra-deep shaft construction is an essential component of engineering projects such as mining and transportation tunnels. To deliver concrete to the bottom of an ultra-deep shaft, a chute is typically installed vertically on the shaft's sidewall, with a hopper at its upper end for feeding concrete. This method, characterized by its high transport speed and continuous pouring capabilities, is gaining increasing attention.

[0003] However, due to the great depth of the ultra-deep shaft, the concrete falls too fast in the chute, which increases the friction between the concrete and the inner wall of the chute, making it very easy for the concrete to segregate during transportation. Therefore, a chute that reduces the occurrence of concrete segregation is needed. Utility Model Content

[0004] In order to reduce the segregation of concrete during transportation in a chute, the present application provides an adjustable anti-segregation chute for an ultra-deep vertical shaft.

[0005] The present application provides an ultra-deep shaft adjustable anti-segregation chute adopting the following technical solution:

[0006] An adjustable anti-segregation chute for an ultra-deep shaft comprises a chute body, a hopper and a plurality of buffers. The chute body is vertically mounted on the side wall of the shaft, the hopper is mounted on the upper end of the chute body, and all buffers are arranged in the chute body and spaced apart along the length of the chute body.

[0007] By adopting the above technical solution, when it is necessary to add concrete to the bottom of the shaft, the concrete is introduced into the chute body through the hopper; since the buffer members are arranged at intervals along the length direction of the chute body, the concrete can be separated by the buffer members and then merged and fall downward, which can buffer the falling speed of the concrete in the chute, reduce the segregation phenomenon caused by excessive speed of the concrete, and help maintain the homogeneity of the concrete.

[0008] Optionally, the chute body includes a plurality of first conveying pipes and a connecting sleeve arranged between two first conveying pipes, and the hopper is connected to the first conveying pipe located at the head end; the buffer member is installed in the connecting sleeve.

[0009] By adopting the above-mentioned technical solution, the buffer is arranged in the connecting sleeve. When the buffer is damaged due to long-term use, it can be replaced by disassembling the connecting sleeve equipped with the buffer, thereby maintaining the service life of the chute and reducing the segregation of concrete during chute transportation.

[0010] Optionally, the buffer is equipped with an anti-blocking assembly, which includes an anti-blocking rod and a driving component. A telescopic slot is provided on the top wall of the buffer, and the anti-blocking rod is movably installed in the telescopic slot. The driving component is used to drive the anti-blocking rod to slide in the telescopic slot.

[0011] By adopting the above technical solution, when concrete is blocked in the first conveying pipe, people drive the driving component to make the anti-blocking rod slide up and down in the telescopic groove, thereby effectively crushing or pushing away the blockage and ensuring that the concrete flows smoothly in the chute body.

[0012] Optionally, the driving component includes a gear, a rack and a motor, a driving cavity connected to the telescopic slot is opened inside the buffer, the gear is rotatably installed in the driving cavity, and the motor is used to drive the gear to rotate; the rack is installed on the side wall of the anti-blocking rod, and the gear is meshed with the rack.

[0013] By adopting the above technical solution, by starting the motor, the rotation of the gear can be converted into the linear motion of the rack, thereby driving the anti-blocking rod to slide stably in the telescopic groove, so that the anti-blocking rod can effectively push away the blockage in the first conveying member.

[0014] Optionally, the buffer component is equipped with a gravity sensor, and the gravity sensor is electrically connected to the driving component.

[0015] By adopting the above technical solution and setting up a gravity sensor, the staff can promptly detect blockage in the slide pipe body; and can observe the blockage position of the slide pipe body according to the signal received by the gravity sensor, and drive the telescopic rod at the blocked position to slide.

[0016] Optionally, the chute body includes a plurality of second conveying pipes connected in sequence, the hopper is connected to the second conveying pipe located at the head end, and all buffer components are respectively installed in each second conveying pipe.

[0017] By adopting the above technical solution, by configuring the slide pipe body as a plurality of second delivery pipes, each second delivery pipe can be installed or removed individually without making large-scale changes to the entire slide pipe body.

[0018] Optionally, the buffer component includes two buffer plates, both of which are installed on the inner walls of both ends of the second conveying pipe, and the distance between the two buffer plates decreases from the middle to the two end components.

[0019] By adopting the above-mentioned technical solution, the two ends of the two buffer plates are welded to the inner walls of the second conveying pipe, which can make the buffer plates and the conveying pipe firmly connected, thereby improving the stability of the entire structure; and the buffer plates have a large area, which can increase the contact area between the concrete and the buffer plates, thereby reducing the possibility of concrete segregation during transportation in the chute.

[0020] Optionally, it also includes an installation component, which includes a support frame and multiple support frames installed on the inner wall of the shaft, and the hopper is mounted above the support frame; the chute body is passed through all the support frames, and there is a distance between the outer wall of the chute body and the inner wall of the support frame.

[0021] By adopting the above-mentioned technical solution, by placing the hopper on the support frame, support can be provided for the hopper and the chute body; and by having a gap between the chute body and the support frame, the chute body can be moved in the support frame to adjust the discharge position of the chute body's discharge port, thereby improving the practicality of the device.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. By providing a buffer, the concrete can be separated through the buffer and then merged and fall downward, which can buffer the falling speed of the concrete in the chute, reduce the segregation phenomenon caused by excessive speed of the concrete, and help maintain the homogeneity of the concrete;

[0024] 2. By setting up the installation assembly, due to the gap between the chute body and the support frame, the chute body can move within the support frame to adjust the discharge position of the chute body discharge port, so that concrete can enter different positions at the bottom of the shaft through the chute body, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of Example 1;

[0026] Figure 2 is a schematic structural diagram of the support frame of Example 1;

[0027] Figure 3 is a partial cross-sectional view of the connecting sleeve of Example 1;

[0028] Figure 4 is a schematic structural diagram of Example 2;

[0029] Figure 5 is a partial cross-sectional view of the second delivery pipe of Example 2;

[0030] Figure 6 2 is a schematic structural diagram of the anti-blocking assembly of Example 3;

[0031] Figure 7 It is a structural diagram of the motor of Example 3.

[0032] Explanation of the accompanying drawings: 1. Slide body; 11. First conveying pipe; 12. Connecting sleeve; 13. First connecting assembly; 131. First flange; 132. First bolt; 14. Second conveying pipe; 15. Second connecting assembly; 151. Second flange; 152. Second bolt; 2. Hopper; 3. Mounting assembly; 31. Support frame; 32. Support frame; 4. Buffer; 41. Buffer sheet; 42. Telescopic slot; 43. Drive chamber; 5. Anti-blocking assembly; 51. Anti-blocking rod; 52. Drive component; 53. Gear; 54. Rack; 55. Motor; 56. Connecting rod. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-7 This application is described in further detail.

[0034] Example 1:

[0035] The embodiment of the present application discloses an adjustable anti-segregation chute for an ultra-deep vertical shaft.

[0036] Reference Figure 1 An ultra-deep shaft adjustable anti-segregation chute includes a chute body 1, a hopper 2, a mounting assembly 3 and a plurality of buffers 4. The mounting assembly 3 is used to install the chute body 1 and the hopper 2 on the inner wall of the shaft; the buffers 4 are installed in the chute body 1.

[0037] The mounting assembly 3 includes a support frame 31 and a support frame 32 installed on the inner wall of the shaft. The support frame 31 is installed at the upper end of the inner wall of the shaft, and all the support frames 32 are arranged at intervals along the height direction of the inner wall of the shaft; the hopper 2 is mounted on the support frame 31, one end of the chute body 1 is installed at the discharge port of the hopper 2, and the other end of the chute body 1 is passed through all the support frames 32.

[0038] Reference Figure 2 In this embodiment, there is a gap between the outer wall of the chute body 1 and the inner diameter of the support frame 32, which enables the chute body 1 to move within the support frame 32, so as to adjust the discharge position of the discharge port of the chute body 1, so that concrete can enter different positions at the bottom of the vertical shaft through the chute body 1, thereby improving the practicality of the device.

[0039] The chute body 1 includes multiple first material conveying pipes 11, a connecting sleeve 12 installed between two adjacent first material conveying pipes 11, and a first connecting assembly 13 for connecting the first material conveying pipes 11 and the connecting sleeve 12. The first conveying pipe located at the head end is connected to the hopper 2; the first connecting assembly 13 includes two first flanges 131 and a first bolt 132 for connecting the two first flanges 131. The two first flanges 131 are respectively installed on the side where the first material conveying pipe 11 and the connecting sleeve 12 are close to each other.

[0040] Reference Figure 3 In this embodiment, the buffer member 4 is in a diamond shape. The buffer member 4 is installed in the connecting sleeve 12 and is connected to two opposite inner walls of the connecting sleeve 12.

[0041] The implementation principle of Example 1 of the present application is:

[0042] When it is necessary to add concrete to the bottom of the shaft, the concrete is fed into the chute body 1 through the hopper 2. Since the buffer members 4 are arranged at intervals along the length direction of the chute body 1, the concrete can be separated by the buffer members 4 and then reunited and fall downward, which can buffer the falling speed of the concrete in the chute, reduce the segregation phenomenon caused by excessive speed of the concrete, and help maintain the homogeneity of the concrete.

[0043] Example 2:

[0044] The embodiment of the present application discloses an adjustable anti-segregation chute for an ultra-deep vertical shaft.

[0045] Reference Figure 4 The difference between Example 2 of the present application and Example 1 is that the slide pipe body 1 includes a plurality of second delivery pipes 14 connected in sequence and a second connecting assembly 15 for connecting two adjacent second delivery pipes 14. The second connecting assembly 15 includes two second flanges 151 and a second bolt 152 for connecting the two second flanges 151. The two second flanges 151 are respectively installed on the two adjacent second delivery pipes 14.

[0046] Reference Figure 5 All buffer members 4 are respectively installed in each second conveying pipe 14. In this embodiment, the buffer member 4 includes two buffer plates 41, and the buffer plates 41 are made of iron material; the two buffer plates 41 are both installed in the second conveying pipe 14 and welded to the inner wall of the second conveying pipe 14; in this embodiment, the distance between the two buffer plates 41 gradually decreases from the middle of the buffer plate 41 to the two ends of the buffer plate 41.

[0047] The implementation principle of Example 2 of this application is:

[0048] The two ends of the two buffer plates 41 are welded to the inner walls of the second conveying pipe 14, which can firmly connect the buffer plates 41 and the conveying pipe, thereby improving the stability of the entire structure; and the buffer plates 41 have a large area, which can increase the contact area between the concrete and the buffer plates 41, improve the buffering effect on the concrete, and thus reduce the possibility of segregation of the concrete during transportation in the chute.

[0049] Example 3:

[0050] The embodiment of the present application discloses an adjustable anti-segregation chute for an ultra-deep vertical shaft.

[0051] Reference Figure 6 The difference between Example 3 of the present application and Example 1 is that: the connecting sleeve 12 is provided with an anti-blocking component 5, the anti-blocking component 5 includes an anti-blocking rod 51 and a driving component 52, there are multiple groups of anti-blocking rods 51, the upper surface of the buffer 4 is provided with a telescopic groove 42, and the anti-blocking rod 51 is movably installed in the telescopic groove 42; the driving component 52 is used to drive all anti-blocking rods 51 to slide in each telescopic groove 42 respectively.

[0052] Reference Figure 7 The driving component 52 includes a gear 53, a rack 54 and a motor 55. The buffer 4 is provided with a plurality of driving cavities 43 connected to all the telescopic slots 42. The two adjacent anti-blocking rods 51 are connected to form a whole through a connecting rod 56; the rack 54 is fixed to the side wall of one of the anti-blocking rods 51 and is located in the driving cavity 43. The gear 53 is rotatably installed in the driving cavity 43 and meshes with the rack 54; the motor 55 is installed on the outer wall of the buffer 4 and is used to drive the gear 53 to rotate.

[0053] In this embodiment, the buffer member 4 is provided with a gravity sensor, which is electrically connected to the motor 55; when the slide pipe body 1 is blocked, the gravity sensor will receive a signal to promptly remind the staff and simultaneously start the motor 55 to make the anti-blocking rod 51 slide in the telescopic slot 42.

[0054] The implementation principle of Example 3 of this application is:

[0055] When concrete is blocked in the first conveying pipe, by starting the motor 55, the rotation of the gear 53 can be converted into the linear motion of the rack 54, thereby driving the anti-blocking rod 51 to slide stably in the telescopic groove 42; so that the anti-blocking rod 51 slides up and down in the telescopic groove 42, thereby effectively crushing or pushing away the blockage, ensuring that the concrete flows smoothly in the chute body 1.

[0056] The above are preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An adjustable anti-segregation chute for an ultra-deep shaft, characterized by: The utility model comprises a chute body (1), a hopper (2) and a plurality of buffer members (4), wherein the chute body (1) is vertically mounted on the side wall of the vertical shaft, the hopper (2) is mounted on the upper end of the chute body (1), all the buffer members (4) are arranged in the chute body (1) and are arranged at intervals along the length direction of the chute body (1), and the buffer members (4) are in the shape of a rhombus.

2. The ultra-deep shaft adjustable anti-segregation chute according to claim 1, characterized in that: The chute body (1) comprises a plurality of first conveying pipes and a connecting sleeve (12) arranged between two first conveying pipes; the hopper (2) is connected to the first conveying pipe at the head end; and the buffer (4) is installed in the connecting sleeve (12).

3. The ultra-deep shaft adjustable anti-segregation chute according to claim 2, characterized in that: The buffer (4) is equipped with an anti-blocking assembly (5), and the anti-blocking assembly (5) includes an anti-blocking rod (51) and a driving component (52). A telescopic slot (42) is provided on the top wall of the buffer (4), and the anti-blocking rod (51) is movably installed in the telescopic slot (42). The driving component (52) is used to drive the anti-blocking rod (51) to slide in the telescopic slot (42).

4. The ultra-deep vertical shaft adjustable anti-segregation chute according to claim 3, characterized in that: The driving component (52) includes a gear (53), a rack (54) and a motor (55); a driving cavity (43) communicating with the telescopic slot (42) is provided inside the buffer (4); the gear (53) is rotatably mounted in the driving cavity (43); the motor (55) is used to drive the gear (53) to rotate; the rack (54) is mounted on the side wall of the anti-blocking rod (51), and the gear (53) is meshed with the rack (54).

5. The ultra-deep vertical shaft adjustable anti-segregation chute according to claim 3, characterized in that: The buffer component (4) is equipped with a gravity sensor, and the gravity sensor is electrically connected to the driving component (52).

6. The ultra-deep vertical shaft adjustable anti-segregation chute according to claim 1, characterized in that: The chute body (1) comprises a plurality of second conveying pipes (14) connected in sequence, the hopper (2) is connected to the second conveying pipe (14) at the head end, and all buffer members (4) are respectively installed in each second conveying pipe (14).

7. The ultra-deep vertical shaft adjustable anti-segregation chute according to claim 4, characterized in that: The buffer component (4) comprises two buffer sheets (41), both of which are mounted on the inner walls of both ends of the second delivery pipe (14), and the spacing between the two buffer sheets (41) decreases from the middle to the two end components.

8. The ultra-deep vertical shaft adjustable anti-segregation chute according to claim 1, characterized in that: The invention also includes an installation component (3), wherein the installation component (3) includes a support frame (31) installed on the inner wall of the shaft and a plurality of support frames (32), and the hopper (2) is mounted above the support frame (31); the chute body (1) is inserted into all the support frames (32), and there is a distance between the outer wall of the chute body (1) and the inner wall of the support frame (32).