Residue soil pumping equipment for shield construction

By using a high-pressure water injection ring and water supply mechanism to form a water film in the muck pump truck, the problem of pump pipe blockage caused by high friction during long-distance transportation of muck pump trucks is solved, thereby improving the efficiency of muck transportation.

CN223523897UActive Publication Date: 2025-11-07CHINA RAILWAY 22ND BUREAU GRP RAIL ENG CO LTD +1
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Patent Information

Application Number
CN202422768591.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-11-07
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

During long-distance transport, the high friction of the muck pump truck can cause blockages in the pump pipes, affecting the transport efficiency.

Method used

The system employs a high-pressure water injection ring and a high-pressure water supply mechanism, which uses high-pressure water to form a water film between the slag and the inner wall of the pump pipe, thereby reducing friction.

Benefits of technology

It effectively increases the pumping distance of construction waste, reduces the resistance to construction waste transportation, and avoids pump pipe blockage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses muck pumping equipment for shield construction, and relates to the technical field of pumping equipment. The residue soil pump truck comprises a towing bracket and a pump pipe, a residue soil pump truck body is installed on the top face of the towing bracket, a material pumping port is formed in the surface of the residue soil pump truck body, a high-pressure water injection ring is embedded in the surface of the material pumping port, and a high-pressure water supply mechanism is arranged at the input end of the high-pressure water injection ring. Water is pressurized and guided into the high-pressure water injection ring through the high-pressure water supply mechanism, high-pressure water is ejected out of the high-pressure water injection ring and continuously injected into the pumping port and the inner side of the pump pipe, and a high-pressure water film is formed between muck and the inner wall of the pump pipe, so that the friction between the pump pipe and the muck is greatly reduced, and the service life of the muck is prolonged. And therefore, the pumping distance of the muck pump truck can be effectively increased, and the pipe blockage of the muck in the pump pipe can be effectively reduced and even eliminated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a pumping equipment technical field, concretely relates to a kind of muck pumping equipment for shield construction. BACKGROUND

[0002] With the rapid development of science and technology of our country and the continuous improvement of people's quality of life, the traffic construction of our country also realizes rapid development, and the traffic transportation mode is realizing fundamental change, at the same time, people's convenient travel is gradually realized. Subway, as the convenient travel mode of city, especially big city, is an economic and environmental protection, high reliability traffic mode, and is becoming an important field in the traffic infrastructure construction of our country, and is the focus of social economy. In subway construction, shield method is the most widely used construction technology, and earth pressure balance shield machine is the most commonly used mechanical tool in this type of construction, therefore, the optimization of earth pressure balance shield machine construction slag discharge mode has great significance.

[0003] Muck pump truck is the prototype of concrete pump truck, and the actual working principle is consistent with concrete pump truck, but it is essentially different from concrete pump truck, mainly in the pumping time, the pumping distance of concrete pump truck is generally within a few hundred meters, while muck pump truck needs to pump at least one kilometer due to the reason of construction in subway tunnel, so as to meet the actual construction needs. When muck pump truck transports muck, the friction between muck and inner wall of pump pipe will greatly affect the transportation efficiency of muck, and even cause pump pipe blockage.

[0004] Therefore, a kind of muck pumping equipment for shield construction is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at: to solve the problems in the above background art, the utility model provides a kind of muck pumping equipment for shield construction.

[0006] The utility model realizes the above-mentioned purpose by the following technical scheme specifically:

[0007] A kind of muck pumping equipment for shield construction, including tow rack and pump pipe, the top surface of the tow rack is installed with muck pump truck body, and the surface of muck pump truck body is provided with pump material port, the surface of the pump material port is embedded with high-pressure water injection ring, the input end of the high-pressure water injection ring is provided with high-pressure water supply mechanism, the end surface of the high-pressure water supply mechanism and the end surface of pump pipe are both provided with pump material port and quick connector connected between pump pipe and pump pipe.

[0008] Further, the bracket comprises a supporting frame, the bottom surface of the supporting frame is provided with a roller, the surface of the supporting frame is fixedly installed with a threaded sleeve, the inside of the threaded sleeve is threadedly connected with a screw rod, the bottom end of the screw rod is provided with a universal wheel, and the top surface of the supporting frame is installed with the slurry pump body.

[0009] Further, the high-pressure water supply mechanism comprises a pipeline, the surface of the high-pressure water injection ring is fixedly installed with the pipeline, the surface of the pipeline is provided with a high-pressure water pump, the high-pressure water pump is fixedly installed with the bracket and the bracket, and the end of the pipeline is fixedly installed with a connecting port, and the inside of the connecting port is fixedly installed with a filter screen.

[0010] Further, the quick connector comprises a clamping disc, the end of the pump material port and the end surface of the pump pipe are fixedly installed with the clamping disc, the surface of the clamping disc is provided with a hole groove and an arc-shaped clamping groove, the other end of the pump pipe is fixedly installed with a connecting disc, and the end surface of the connecting disc is fixedly installed with a stepped shaft.

[0011] Further, the nozzle of the high-pressure water injection ring, the pump material port and the inner wall of the pump pipe are correspondingly arranged.

[0012] Further, the large diameter of the stepped shaft is equal to the diameter of the hole groove, the small diameter of the stepped shaft is equal to the width of the arc-shaped clamping groove, and the stepped shaft is slidably arranged in the arc-shaped clamping groove.

[0013] The beneficial effects of the utility model are as follows:

[0014] The bracket can support and place the slurry pump body, and can also drag and move the slurry pump body. When pumping the slurry, the water supply pipe is connected with the end of the high-pressure water supply mechanism, the water is introduced into the inside of the high-pressure water injection ring through the high-pressure water supply mechanism, the high-pressure water is shot out from the high-pressure water injection ring, continuously injected into the inside of the pump material port and the pump pipe, and the high-pressure water film is formed between the slurry and the inner wall of the pump pipe. Therefore, the friction between the pump pipe and the slurry is greatly reduced, the resistance of the slurry transportation is reduced, the pumping distance of the slurry pump is effectively improved, and the pipe blockage of the slurry in the pump pipe is effectively reduced or even eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the three-dimensional structure schematic view of the utility model;

[0016] Figure 2 is the rear view of the utility model;

[0017] Figure 3 is the local front sectional view of the utility model;

[0018] Figure 4 is the local explosion view of the utility model;

[0019] Figure 5 is a schematic view of the high-pressure water injection ring and the high-pressure water supply mechanism of the utility model;

[0020] Reference signs: 1, drag bracket; 101, support frame; 102, roll; 103, threaded sleeve; 104, screw; 105, universal wheel; 2, muck pump vehicle body; 21, pump material port; 3, high-pressure water injection ring; 4, high-pressure water supply mechanism; 401, pipeline; 402, high-pressure water pump; 403, connection port; 404, filter screen; 5, quick connector; 501, clamping disc; 502, hole groove; 503, arc-shaped clamping groove; 504, connecting disc; 505, stepped shaft; 6, pump pipe. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0023] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the embodiments of the utility model, it should be noted that the orientation or position relationship indicated by the terms "inner", "outer", "upper", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0025] As Figures 1 to 5As shown, a kind of muck pumping equipment for shield construction, including tow rack 1 and pump pipe 6, the top surface of tow rack 1 is equipped with muck pump truck body 2, and the surface of muck pump truck body 2 is provided with pump material port 21, the surface of pump material port 21 is embedded with high-pressure water injection ring 3, the input end of high-pressure water injection ring 3 is provided with high-pressure water supply mechanism 4, the end surface of high-pressure water supply mechanism 4 and the end surface of pump pipe 6 are provided with pump material port 21 and quick connector 5 connected with pump pipe 6, and pump pipe 6 is connected with pump pipe 6. More specifically, by tow rack 1, muck pump truck body 2 can be supported and placed, and muck pump truck body 2 can also be towed to move, when pumping muck, the end of the water supply pipe is connected with high-pressure water supply mechanism 4, high-pressure water supply mechanism 4 is used to pressurize water into the inside of high-pressure water injection ring 3, high-pressure water is ejected from high-pressure water injection ring 3, and continuously injected into the inside of pump material port 21 and pump pipe 6, a high-pressure water film is formed between muck and the inner wall of pump pipe 6, so that the friction between pump pipe 6 and muck is greatly reduced, the resistance of muck transportation is reduced, the pumping distance of muck pump truck can be effectively improved, and the pipe blockage of muck in pump pipe 6 is effectively reduced or even eliminated.

[0026] Tow rack 1 includes support frame 101, the bottom surface of support frame 101 is provided with rolling 102, the surface of support frame 101 is fixedly installed with threaded sleeve 103, the inside of threaded sleeve 103 is threadedly connected with screw rod 104, the bottom end of screw rod 104 is provided with universal wheel 105, and the top surface of support frame 101 is installed with muck pump truck body 2. More specifically, the rolling 102 and universal wheel 105 on the bottom surface of support frame 101 are used to move muck pump truck body 2, the screw rod 104 and the threaded sleeve 103 are engaged to vertically move the universal wheel 105, and the universal wheel 105 supports the support frame 101 and the muck pump truck body 2.

[0027] High-pressure water supply mechanism 4 includes pipeline 401, the surface of high-pressure water injection ring 3 is fixedly installed with pipeline 401, the surface of pipeline 401 is provided with high-pressure water pump 402, high-pressure water pump 402 is fixedly installed with support and tow rack 1, the end of pipeline 401 is fixedly installed with connecting port 403, and filter screen 404 is fixedly installed in the inside of connecting port 403. More specifically, connecting port 403 is connected with water supply pipe, high-pressure water pump 402 is used to pressurize water into the inside of high-pressure water injection ring 3 through pipeline 401, and connecting port 403 is used to filter impurities in water.

[0028] The quick joint 5 comprises a clamping disc 501, the end of the pump material port 21 and the end surface of the pump pipe 6 are fixedly provided with the clamping disc 501, and the surface of the clamping disc 501 is provided with a hole groove 502 and an arc-shaped clamping groove 503, the other end of the pump pipe 6 is fixedly provided with a connecting disc 504, and the end surface of the connecting disc 504 is fixedly provided with a stepped shaft 505. More specifically, the stepped shaft 505 on the surface of the end connecting disc 504 of the pump pipe 6 is inserted into the hole groove 502 on the surface of the end clamping disc 501 of the pump material port 21, then the connecting disc 504 is rotated to make the stepped shaft 505 rotate along the arc-shaped clamping groove 503, the stepped shaft 505 is clamped in the arc-shaped clamping groove 503, and then the pump material port 21 and the pump pipe 6 are clamped.

[0029] The nozzle of the high-pressure water injection ring 3 is correspondingly arranged with the inner wall of the pump material port 21 and the pump pipe 6. More specifically, the nozzle of the high-pressure water injection ring 3 is correspondingly arranged with the inner wall of the pump material port 21 and the pump pipe 6, and then a water film is formed between the inside of the pump pipe 6 and the slag.

[0030] The large diameter of the stepped shaft 505 is equal to the diameter of the hole groove 502, the small diameter of the stepped shaft 505 is equal to the width of the arc-shaped clamping groove 503, and the stepped shaft 505 is slidably arranged in the arc-shaped clamping groove 503. More specifically, the stepped shaft 505 is inserted into the hole groove 502 and the arc-shaped clamping groove 503 to realize quick connection and disconnection.

[0031] In summary, the drag bracket 1 can support and place the slag pump truck body 2 and also can drag and move the slag pump truck body 2. When pumping the slag, the water supply pipe is connected with the end of the high-pressure water supply mechanism 4, the water is pressurized and introduced into the inside of the high-pressure water injection ring 3 through the high-pressure water supply mechanism 4, the high-pressure water is shot out from the high-pressure water injection ring 3 and continuously injected into the inside of the pump material port 21 and the pump pipe 6, and the high-pressure water film is formed between the slag and the inner wall of the pump pipe 6, so that the friction between the pump pipe 6 and the slag is greatly reduced, the resistance of the slag transportation is reduced, the pumping distance of the slag pump truck is effectively improved, and the pipe blockage of the slag in the pump pipe 6 is effectively reduced or even eliminated.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The protection scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A slurry pumping apparatus for use in tunneling, characterized in that, Including drag rack (1) and pump pipe (6), the top surface of the drag rack (1) is mounted with a muck pump vehicle body (2), and the surface of the muck pump vehicle body (2) is provided with a pump material port (21), the surface of the pump material port (21) is embedded with a high-pressure water injection ring (3), the input end of the high-pressure water injection ring (3) is provided with a high-pressure water supply mechanism (4), the end surface of the high-pressure water supply mechanism (4) and the end surface of the pump pipe (6) are provided with a pump material port (21) and a quick connector (5) connected between the pump pipe (6) and the pump pipe (6).

2. The muck pumping apparatus for use in a shield construction according to claim 1, characterized in that, The drag rack (1) comprises a support frame (101), the bottom surface of the support frame (101) is provided with a roller (102), the surface of the support frame (101) is fixedly mounted with a threaded sleeve (103), and the threaded sleeve (103) is internally threaded with a screw rod (104), the bottom end of the screw rod (104) is provided with a universal wheel (105), and the top surface of the support frame (101) is mounted with a muck pump vehicle body (2).

3. The muck pumping apparatus for use in a shield construction according to claim 1, wherein The high-pressure water supply mechanism (4) comprises a pipeline (401), the surface of the high-pressure water injection ring (3) is fixedly mounted with a pipeline (401), the surface of the pipeline (401) is provided with a high-pressure water pump (402), and the high-pressure water pump (402) is fixedly mounted with the drag rack (1) through a support, and the end of the pipeline (401) is fixedly mounted with a connecting port (403), and the inside of the connecting port (403) is fixedly mounted with a filter screen (404).

4. The muck pumping apparatus for use in a shield construction according to claim 1, wherein The quick connector (5) comprises a clamping disc (501), the end of the pump material port (21) and the end surface of the pump pipe (6) are fixedly mounted with a clamping disc (501), the surface of the clamping disc (501) is provided with a hole groove (502) and an arc-shaped clamping groove (503), the other end of the pump pipe (6) is fixedly mounted with a connecting disc (504), and the end surface of the connecting disc (504) is fixedly mounted with a stepped shaft (505).

5. The muck pumping apparatus for use in a shield construction according to claim 1, wherein The nozzle of the high-pressure water injection ring (3) is correspondingly arranged with the inner wall of the pump material port (21) and the pump pipe (6).

6. The spoil pumping apparatus for use in shield construction according to claim 4, wherein The large diameter of the stepped shaft (505) is equal to the diameter of the hole groove (502), the small diameter of the stepped shaft (505) is equal to the width of the arc-shaped clamping groove (503), and the stepped shaft (505) and the arc-shaped clamping groove (503) are slidably arranged.