Cast pipe inner wall cement lining material distribution system

Through the design of the cement lining distribution system on the inner wall of the cast pipe, instant mixing and low-speed centrifugal coating of the cement mortar are achieved, which solves the problems of cement mortar air-drying waste and low production efficiency, and improves the coating effect and production efficiency of the inner wall of the cast pipe.

CN223456225UActive Publication Date: 2025-10-21DALIAN WANTONG AUTOMATION CO LTD
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Patent Information

Application Number
CN202422898624.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-10-21
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

In the prior art, the mixed cement mortar is dried and wasted in the distribution trolley, resulting in poor cement lining effect, waste of resources, and low production efficiency.

Method used

A cement lining distribution system for the inner wall of a cast pipe was designed, which includes a roller device, a distribution pipe, a traveling trolley, and a traveling track. Through the coordinated control of a PLC controller, it realizes instant mixing and low-speed centrifugal coating of cement mortar, ensuring that the cement mortar is evenly distributed on the inner wall of the cast pipe.

Benefits of technology

It reduces the air-drying waste of cement mortar, improves the coating effect and production efficiency, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cast pipe production, and provides a cast pipe inner wall cement lining distributing system which comprises a carrier roller device, a distributing pipe, a walking trolley and a walking track. A cast pipe to be coated is placed on the carrier roller device; a walking track is arranged on one side of the carrier roller device; a walking trolley is arranged on the walking track; a cement mortar stirring tank and a cement mortar pump are arranged on the walking trolley; a discharging opening of the cement mortar stirring tank is connected with a feeding opening of the cement mortar pump, and a discharging opening of the cement mortar pump is connected with a feeding opening of the material distributing pipe; the feeding end of the material distribution pipe is fixed on the material distribution pipe support frame; a material distribution pipe guide frame is arranged between the carrier roller device and the walking track; and a discharge port of the material distribution pipe faces the bell end of the cast pipe to be coated. According to the utility model, cement mortar can be always in a stirred state, the coating effect is improved, the stirring waiting time of the mortar is shortened, the air drying waste is reduced, and the production cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cast pipe production technical field especially relates to a cast pipe inner wall cement lining distribution system. BACKGROUND

[0002] Ductile cast iron pipe (abbreviation cast pipe) refers to the pipe material that uses the casting molten iron above No. 18 after adding spherulitic agent, is formed through centrifugal ductile cast iron machine high speed centrifugal casting, is mainly used in the delivery of tap water.

[0003] The current cast pipe inner wall cement lining distribution is that the mixed cement mortar is filled into the hopper of the distribution trolley, the required cement mortar is all injected into the bottom of the cast pipe through the mortar pump in the moving process of the distribution trolley, the distribution trolley returns to the material receiving position, and then the cast pipe is driven under the cast pipe to complete the cement coating under the driving of the cast pipe.

[0004] However, the mixed cement mortar in the distribution trolley and all injected into the bottom of the cast pipe once will cause the cement mortar air dry waste, influence cement lining effect, and the equipment between the cement mortar preparation link and the lining distribution link is mostly independent structure type, causes material waste and load idling in the middle link, causes the invalid loss of resources, and the production efficiency is low. UTILITY MODEL CONTENTS

[0005] The utility model mainly solves the technical problems that the mixed cement mortar in the distribution trolley and all injected into the bottom of the cast pipe once will cause the cement mortar air dry waste, influence cement lining effect and resource waste, low production efficiency, proposes a cast pipe inner wall cement lining distribution system, makes the cement mortar be in the state of being stirred, improves coating effect, reduces the stirring waiting time of mortar, reduces air dry waste and reduces production cost.

[0006] The utility model provides a cast pipe inner wall cement lining distribution system, which comprises a roller device, a distribution pipe, a travelling trolley and a travelling track.

[0007] The cast pipe to be coated is placed on the roller device.

[0008] A cement mortar stirring tank and a cement mortar pump are arranged on the travelling trolley.

[0009] A distribution pipe support frame is arranged on the travelling trolley, and the feeding end of the distribution pipe is fixed on the distribution pipe support frame.

[0010] The pipe guide frame is arranged between the roller device and the walking track, and the pipe is arranged on the pipe guide frame.

[0011] The discharge port of the pipe is directed to the socket end of the pipe to be coated.

[0012] Preferably, the feeding port at the top of the cement mortar mixing tank can be docked with the discharge port of the large-scale mixing device.

[0013] Preferably, the large-scale mixing device is arranged on the mixing support.

[0014] Preferably, the walking trolley motor is arranged on the walking trolley, and walking wheels are arranged at the four corners of the bottom of the walking trolley.

[0015] The walking wheels are arranged on the walking track.

[0016] Preferably, the roller motor is arranged on the roller device, and the cement mortar pump motor is arranged on the cement mortar pump.

[0017] Preferably, the walking trolley motor is electrically connected with the walking trolley frequency converter.

[0018] The roller motor is electrically connected with the roller frequency converter.

[0019] The cement mortar pump motor is electrically connected with the cement mortar pump frequency converter.

[0020] The walking trolley frequency converter, the roller frequency converter and the cement mortar pump frequency converter are electrically connected with the PLC controller through the industrial switch.

[0021] Preferably, the PLC controller is arranged in the electric control cabinet.

[0022] Preferably, the PLC controller is further electrically connected with the operation button.

[0023] The industrial switch is further electrically connected with the visual touch screen.

[0024] The operation button and the visual touch screen are integrated on the operation table.

[0025] Preferably, the pipe proximity switch is arranged on the walking track near the roller device, and the pipe proximity switch is electrically connected with the PLC controller.

[0026] Preferably, the mixing tank proximity switch is arranged on the walking track below the large-scale mixing tank.

[0027] Compared with the prior art, the pipe inner wall cement lining material distribution system has the following advantages:

[0028] 1. The walking trolley automatic cement mortar mixing tank can mix the cement mortar immediately after filling, and the cement mortar is in the mixing state from mixing to lining, which improves the coating effect, reduces the mixing waiting time of the mortar, reduces the waste of air drying, and reduces the production cost.

[0029] 2. The casting pipe is driven to rotate at low speed by the supporting roller device, and the cement mortar is conveyed with the cloth pipe from the spigot end of the casting pipe to the bell end, and the cement mortar is spread on the inner wall of the entire casting pipe.

[0030] 3. A plurality of proximity switches are arranged to detect the action of each device, and the PLC controller is used for cooperative control of each electric control component, so as to reduce resource waste and improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0031] Fig. 1 is a structural schematic view of the casting pipe inner wall cement lining distribution system provided by the utility model;

[0032] Fig. 2 is a docking schematic view of the walking trolley and the large mixing tank;

[0033] Fig. 3 is an electrical schematic view of the casting pipe inner wall cement lining distribution system provided by the utility model.

[0034] The drawings show that: 1, the casting pipe; 2, the supporting roller device; 3, the cloth pipe; 4, the cement mortar mixing tank; 5, the walking trolley; 6, the walking trolley motor; 7, the cement mortar pump; 8, the large mixing tank; 9, the cloth pipe support frame; 10, the walking track; 11, the cloth pipe guide frame; 12, the mixing tank support. DETAILED DESCRIPTION

[0035] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the utility model will be further described in detail below in combination with the drawings and examples. It can be understood that the specific examples described herein are only used to explain the utility model, not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the parts related to the utility model are shown in the drawings, not all the contents.

[0036] As shown in Figs. 1-3 The casting pipe inner wall cement lining distribution system provided by the utility model embodiment comprises: a supporting roller device 2, a cloth pipe 3, a walking trolley 5 and a walking track 10.

[0037] The casting pipe 1 to be coated is placed on the roller device 2, and a roller motor is arranged on the roller device 2. The roller device 2 can lift and rotate the casting pipe 1, and the rotation speed of the roller device 2 is adjusted by adjusting the rotation speed of the roller motor.

[0038] A walking track 10 is arranged on one side of the roller device 2, and a walking trolley 5 is arranged on the walking track 10. A walking trolley motor 6 is arranged on the walking trolley 5, and walking wheels are arranged at the four corners of the bottom of the walking trolley 5. The walking wheels are arranged on the walking track 10. The walking trolley motor 6 drives the walking trolley 5 to walk along the walking track 10.

[0039] A cement mortar mixing tank 4 and a cement mortar pump 7 are arranged on the walking trolley 5. The discharge port of the cement mortar mixing tank 4 is connected to the inlet of the cement mortar pump 7, and the discharge port of the cement mortar pump 7 is connected to the inlet of the distribution pipe 3. A cement mortar pump motor is arranged on the cement mortar pump 7.

[0040] A distribution pipe support frame 9 is arranged on the walking trolley 5, and the inlet end of the distribution pipe 3 is fixed on the distribution pipe support frame 9. A distribution pipe guide frame 11 is arranged between the roller device 2 and the walking track 10, the distribution pipe 3 is arranged on the distribution pipe guide frame 11, and a roller with a groove in the middle is arranged on the top of the distribution pipe guide frame 11. The discharge port of the distribution pipe 3 is directed to the socket end of the casting pipe 1 to be coated. The discharge end of the distribution pipe 3 is movably arranged on the distribution pipe guide frame 11, the distribution pipe 3 is arranged in the groove of the roller, and the distribution pipe 3 can be extended forward.

[0041] As shown in Fig. 2 The inlet of the top of the cement mortar mixing tank 4 can be docked with the discharge port of the large mixing device 8. The large mixing device 8 is arranged on a mixing support frame 12. Specifically, the large mixing device 8 includes a storage tank for storing cement and sand, and a mortar mixing and stirring device arranged below the storage tank. The mortar mixing and stirring device can walk on a track on the mixing support frame 12. When the cement mortar needs to be mixed, the mortar mixing and stirring device runs below the storage tank, the outlet of the storage tank is opened, the cement and sand fall into the mortar mixing and stirring device, and the mortar mixing and stirring device stirs. The stirred cement mortar can be filled into the cement mortar mixing tank 4 of the walking trolley 5.

[0042] On the basis of the above scheme, as shown in Fig. 3The walking trolley motor 6 is electrically connected with the walking trolley frequency converter; the roller motor is electrically connected with the roller frequency converter; the cement mortar pump motor is electrically connected with the cement mortar pump frequency converter; the walking trolley frequency converter, the roller frequency converter and the cement mortar pump frequency converter are electrically connected with the PLC controller through the industrial switch. The PLC controller is arranged in the electric control cabinet. The PLC controller is also electrically connected with the operation button; the industrial switch is also electrically connected with the visual touch screen; the operation button and the visual touch screen are integrated on the operation table. The PLC controller controls the walking trolley motor 6, the roller motor and the cement mortar pump motor through the industrial switch connected frequency converter. The system of the utility model covers cement mixing, cement distribution, low-speed centrifugal rotation of the casting pipe, the distribution pipe 3 for conveying the mixed cement is inserted into the inner wall of the casting pipe 1 through the walking trolley 5, and the cement is uniformly distributed.

[0043] In addition, the casting pipe proximity switch is arranged on the walking track 10 near the roller device 2, and the casting pipe proximity switch is electrically connected with the PLC controller. The casting pipe proximity switch is used for detecting the front wheel of the walking trolley motor 6. The installation position of the casting pipe proximity switch is adjusted, so that when the casting pipe proximity switch detects the front wheel of the walking trolley motor 6, the discharge port of the distribution pipe 3 is just located at the insertion end (coating start position) of the casting pipe 1. The stirring tank proximity switch is arranged on the walking track 10 below the large stirring tank 8, and the stirring tank proximity switch is electrically connected with the PLC controller. The stirring tank proximity switch can detect that the walking trolley 5 is located below the large stirring tank 8, and the PLC controller controls the large stirring tank 8 to start filling the cement mortar into the cement mortar stirring tank 4. The pipe detection proximity switch can be arranged on the roller device 2, and the pipe detection proximity switch is electrically connected with the PLC controller, and is used for pipe detection of the roller device 2.

[0044] The working process of the cast pipe inner wall cement lining material distribution system is as follows: the cast pipe 1 is placed on the roller device 2, the roller device 2 detects the cast pipe 1, and then a pipe detection proximity switch sends a signal to a PLC controller, after the PLC controller receives the signal of the pipe detection proximity switch and the signal of the stirring tank proximity switch (the walking trolley 5 is located below the large stirring tank 8), the PLC controller controls the large stirring tank 8 to open the discharge opening, and the cement tank is filled; the cement mortar stirred by the large stirring tank 8 is filled into the cement mortar stirring tank 4 of the walking trolley 5. After the filling is completed, the walking trolley 5 walks towards the cast pipe 1, the distribution pipe 3 is inserted into the cast pipe 1, and the cement mortar stirring tank 4 continuously stirs the cement mortar during the walking process of the walking trolley 5; when the distribution pipe 3 is inserted into the spigot end of the cast pipe 1, the cast pipe proximity switch sends a signal to the PLC controller, the PLC controller controls the cement mortar pump 7 to work, the cement mortar pump 7 outputs the cement mortar from the cement mortar stirring tank 4, the cement mortar is coated from the spigot end, the walking trolley 5 slowly retreats to the socket end, and the distribution pipe 3 sprays the cement mortar, accompanied by the rotation of the low-speed centrifugal roller device 2, the cement mortar is spread on the entire inner wall of the cast pipe 1, and the distribution link of the cement lining process is completed. After the coating is completed, the walking trolley 5 drives the distribution pipe 3 to be pulled out of the cast pipe 1, and finally retreats to the starting point, the PLC controller outputs a work completion command, and each device stops running. The walking trolley motor 6 and the cement mortar pump motor are controlled by corresponding frequency converters, are coordinated with each other, adapt to different walking trolley 5 speeds, and adopt different cement mortar conveying speeds. The operation buttons and the visual touch screen on the operation table can be used for parameter editing and automatic or manual control of the system.

[0045] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that: the technical solutions recorded in the above embodiments are modified, or some or all of the technical features are replaced, without changing the essence of the corresponding technical solutions out of the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A system for applying a cement lining to the interior of a pipe, comprising: The utility model relates to a kind of cement mortar spraying device, including: Roller device (2), cloth pipe (3), walking trolley (5) and walking track (10); The roller device (2) is placed on the pipe (1) to be coated;The walking track (10) is arranged on one side of the roller device (2);The walking trolley (5) is arranged on the walking track (10); The walking trolley (5) is provided with cement mortar mixing tank (4) and cement mortar pump (7);The discharge port of the cement mortar mixing tank (4) is connected with the inlet of the cement mortar pump (7), and the discharge port of the cement mortar pump (7) is connected with the inlet of the cloth pipe (3); The walking trolley (5) is provided with cloth pipe support frame (9), and the inlet end of the cloth pipe (3) is fixed on the cloth pipe support frame (9); The roller device (2) and the walking track (10) are provided with cloth pipe guide frame (11), and the cloth pipe (3) is located on the cloth pipe guide frame (11); The discharge port of the cloth pipe (3) is directed to the socket end of the pipe (1) to be coated.

2. The pipe-in-pipe inner wall cement lining system of claim 1, wherein, The inlet of the cement mortar mixing tank (4) at the top can be connected with the discharge port of the large mixing tank (8).

3. The pipe-in-pipe inner wall cement lining system of claim 2, wherein, The large mixing tank (8) is arranged on the mixing support (12).

4. The pipe-in-pipe inner wall cement lining system of claim 1, wherein, The walking trolley (5) is provided with walking trolley motor (6), and the bottom of the walking trolley (5) is provided with walking wheels at four corners. The walking wheels are arranged on the walking track (10).

5. The pipe-in-pipe inner wall cement lining system of claim 4, wherein, The roller device (2) is provided with a roller motor, and the cement mortar pump (7) is provided with a cement mortar pump motor.

6. The pipe-in-pipe inner wall cement lining system of claim 5, wherein, The walking trolley motor (6) is electrically connected with the walking trolley frequency converter; The roller motor is electrically connected with the roller frequency converter; The cement mortar pump motor is electrically connected with the cement mortar pump frequency converter; The walking trolley frequency converter, the roller frequency converter and the cement mortar pump frequency converter are electrically connected with the PLC controller through the industrial switch.

7. The pipe-in-pipe inner wall cement lining system of claim 6, wherein, The PLC controller is arranged in the electric control cabinet.

8. The pipe-in-pipe inner wall cement lining system of claim 6, wherein, The PLC controller is also electrically connected with the operation button; The industrial switch is also electrically connected with the visual touch screen; The operation button and the visual touch screen are integrated on the operation table.

9. The pipe-in-pipe inner wall cement lining system of claim 6, wherein, The walking track (10) is provided with a pipe approach switch near the roller device (2), and the pipe approach switch is electrically connected with the PLC controller.

10. The pipe-in-pipe inner wall cement lining system of claim 2, wherein, The walking track (10) is provided with a mixing tank approach switch below the large mixing tank (8).