Preparation device of reinforced concrete drainage pipe

By designing a reinforced concrete drainage pipe preparation device including hydraulic push rods, screw rod conveyors and cutting racks, the safety hazards and laborious problems of manual feeding and manual extrusion of concrete in the existing devices are solved, and automatic loading, scraping and cutting are realized, and safety and production efficiency are improved.

CN222945884UActive Publication Date: 2025-06-06SUQIAN JINPENG PIPE MFG CO LTD
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Patent Information

Application Number
CN202421625765.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-06-06
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing reinforced concrete drainage pipe preparation device requires manual feeding and manual extrusion of concrete when used, which poses a major safety hazard and lacks a special cutting structure. It requires manual use of a pry rod when unloading, which is laborious and inconvenient.

Method used

A preparation device including a base, a hydraulic push rod, a screw conveyor and a feed rack is designed. The push plate is driven by a hydraulic push rod to push the mold, and the concrete is automatically conveyed in conjunction with a screw conveyor, and the automatic discharge of the mold is realized through the cutting rack.

Benefits of technology

It realizes automatic loading of concrete and automatic scraping of inner walls, improves the safety and production efficiency of the device, and reduces the risk and labor intensity of workers' operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drainage pipe preparation, in particular to a reinforced concrete drainage pipe preparation device which comprises a base, a hydraulic push rod is fixedly connected to the upper surface of the base, a reduction gearbox is fixedly connected to the front surface of the base, and a first motor is fixedly connected to the outer surface of the reduction gearbox. According to the utility model, the conveying pipe of the screw rod conveyor in the mold moves towards the outer side of the mold until the screw rod conveyor is separated from the mold, and in the moving process, the scraping ring scrapes concrete and is matched with the rotation of the mold, so that the inner wall of the concrete pipe becomes smooth; feeding and scraping of the inner wall can be completed without manual operation of workers, the safety of the device is improved, the mold can slide down along the sliding rail when the mold is turned over to the upper surface of the sliding rail in cooperation with the limiting wheels, the workers do not need to manually pry away the mold through tools such as a crowbar, and use of the workers is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of drainage pipe preparation, in particular to a preparation device for a reinforced concrete drainage pipe. Background Art

[0002] The preparation equipment belongs to the production equipment of drainage pipes. Reinforced concrete drainage pipes refer to pipes formed by mixing cement, sand, stone, etc. with water and steel bars to form an integral pipe. They are often used for drainage. A mold is required during production. The mold is rotated in conjunction with the preparation equipment. Under the action of centrifugal force, the concrete squeezes the inner wall of the mold and wraps the steel cage. For example, the publication number: CN208215640U discloses a centrifugal preparation equipment for reinforced concrete drainage pipes, which belongs to the technical field of concrete drainage pipe preparation. It solves the problems of unqualified quality of reinforced concrete drainage pipes prepared by existing equipment and affecting production efficiency. The utility model includes a centrifugal device and a mold. The centrifugal device includes three rotators and a driving mechanism that drives the three rotators to rotate synchronously;

[0003] When the above device is in use, it is necessary to manually add materials to the rotating mold, and after adding materials, it is necessary to manually use scrapers and other tools to squeeze the concrete to make the inner wall of the tube smooth, and the mold is always in a rotating state. When the production task is heavy, the above operation has a great safety hazard, and there is a lack of a dedicated unloading structure. When unloading, workers need to use a crowbar to manually operate, which is more laborious. Utility Model Content

[0004] The utility model aims to solve the problem that some existing devices need to manually add materials to the rotating mold when in use, and after adding materials, it is necessary to manually use tools such as scrapers to squeeze concrete to make the inner wall of the pipe smooth, while the mold is always in a rotating state. When the production task is heavy, the above operation has great safety hazards. A preparation device for reinforced concrete drainage pipes is provided.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A preparation device for reinforced concrete drainage pipes comprises a base, the upper surface of the base is fixedly connected to a hydraulic push rod, the front surface of the base is fixedly connected to a reduction box, the outer surface of the reduction box is fixedly connected to a No. 1 motor, the front surface of the base is embedded with two rollers, both ends of the rollers are fixedly connected to limiting wheels, the side surface of the base is fixedly connected to a discharge rack, the front and rear surfaces of the base are fixedly connected to a mounting frame, a screw conveyor is movably connected above the mounting frame, and the outer surface of the limiting wheel is rollingly connected to a mold.

[0007] Furthermore, a movable limit rod is embedded in the upper surface of the base, one end of the limit rod is fixedly connected to a push plate, and the output end of the hydraulic push rod is fixedly connected to the push plate.

[0008] Furthermore, one end of the roller is fixedly connected to a synchronous wheel, the outer surface of the synchronous wheel is nested with a synchronous belt, the output end of the No. 1 motor is connected to the input end of the reduction gearbox, and the output end of the reduction gearbox is fixedly connected to one of the rollers.

[0009] Furthermore, two slide rails are fixedly connected to the upper surface of the unloading rack, and the mold includes two half-cylinders, an outer edge, a blocking ring, a limiting cylinder and a connecting column. The outer surfaces of the half-cylinders are fixedly connected with outer edges near both ends, and the outer edge is rollingly connected to the limiting wheel. The two ends of the half-cylinder are nested with blocking rings, and the outer surface of the blocking ring is fixedly connected with the limiting cylinder. The front surfaces of the blocking ring and the outer edge are provided with through holes, and a connecting column is inserted into the through hole, and both ends of the connecting column are threadedly connected with nuts, and a gasket is nested and connected between the nut and the blocking ring.

[0010] Furthermore, a scraper ring is fixedly connected to the outer surface of the screw conveyor, a connecting plate is fixedly connected to the outer surface of the screw conveyor, and a caster is rotatably connected to the lower surface of the screw conveyor.

[0011] Furthermore, a limiting sleeve is fixedly connected to the upper surface of the mounting frame, a No. 2 motor is fixedly connected to the outer surface of the mounting frame, and a lead screw is fixedly connected to the output end of the No. 2 motor.

[0012] Furthermore, the connecting plate and the screw rod are threadedly connected.

[0013] Beneficial effects of the utility model:

[0014] By setting the No. 2 motor, the screw conveyor is started, and concrete can be transported to the inside of the mold through the screw conveyor. Under the action of centrifugal force, the concrete squeezes the inner wall of the mold and wraps the steel cage. The No. 2 motor is started, and the No. 2 motor drives the screw to rotate. Under the push of the thread, the conveying pipe of the screw conveyor inside the mold moves toward the outside of the mold until the screw conveyor and the mold are separated. In the process of movement, the scraper ring scrapes the concrete, and cooperates with the rotation of the mold to make the inner wall of the concrete pipe smooth. The loading and scraping of the inner wall can be completed without manual operation by workers, which improves the safety of the device. The caster belt rolls on the ground to facilitate the movement of the screw conveyor, and the limiting sleeve limits the conveying pipe of the screw conveyor.

[0015] Through the set unloading rack and limiting wheel, when unloading, the hydraulic push rod is started, and the output end of the hydraulic push rod cooperates with the limiting rod to drive the push plate to move, so that the push plate pushes the mold, and the mold cooperates with the limiting wheel to flip to the upper surface of the slide rail, so that the mold can slide along the slide rail, and workers do not need to use tools such as crowbars to manually pry away the mold, which is convenient for workers to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the base structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the mold structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the mounting frame of the utility model.

[0021] In the figure: 1. Base; 101. Hydraulic push rod; 102. Limit rod; 103. Push plate; 104. Roller; 105. Synchronous wheel; 106. Synchronous belt; 107. Limit wheel; 2. Unloading rack; 201. Slide rail; 3. Motor No. 1; 301. Reducer; 4. Mould; 401. Half cylinder; 402. Outer edge; 403. Through hole; 404. Blocking ring; 405. Limit cylinder; 406. Connecting column; 5. Screw conveyor; 501. Scraper ring; 502. Connecting plate; 503. Caster; 6. Mounting frame; 601. Motor No. 2; 602. Screw; 603. Limit sleeve. DETAILED DESCRIPTION

[0022] The following will be combined with 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, not all of the embodiments. Based on the embodiments of 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.

[0023] See also Figure 1-4As shown, a preparation device for reinforced concrete drainage pipes includes a base 1, the upper surface of the base 1 is fixedly connected to a hydraulic push rod 101, the front surface of the base 1 is fixedly connected to a reduction box 301, the outer surface of the reduction box 301 is fixedly connected to a No. 1 motor 3, the front surface of the base 1 is embedded with two rollers 104, both ends of the rollers 104 are fixedly connected to limited wheels 107, the side surface of the base 1 is fixedly connected to a feed rack 2, the front and rear surfaces of the base 1 are fixedly connected to a mounting rack 6, and the mounting rack 6 is fixedly connected to the front surface of the base 1. The upper part of the frame 6 is movably connected with a screw conveyor 5, the outer surface of the limiting wheel 107 is rollingly connected with the mold 4, the upper surface of the unloading frame 2 is fixedly connected with two slide rails 201, the mold 4 includes two half cylinders 401, an outer edge 402, a blocking ring 404, a limiting cylinder 405 and a connecting column 406, the outer surface of the half cylinder 401 is fixedly connected with the outer edge 402 near both ends, the outer edge 402 and the limiting wheel 107 are rollingly connected, the two ends of the half cylinder 401 are nested with the blocking ring 404, the outer edge of the blocking ring 404 The surface is fixedly connected to the limiting cylinder 405, the front surfaces of the blocking ring 404 and the outer edge 402 are both provided with through holes 403, the interior of the through holes 403 is inserted with connecting columns 406, both ends of the connecting columns 406 are threadedly connected with nuts, and a gasket is nested and connected between the nut and the blocking ring 404. When in use, first put the two half cylinders 401 together, and place the steel cage in the cylinder body formed by the two half cylinders 401, and then embed the blocking rings 404 at both ends of the cylinder body to make the limiting cylinder 405 contact the steel cage , then insert the connecting column 406 into the inside of the through hole 403, and install the nut and gasket to complete the assembly of the mold 4, place the mold 4 on the limiting wheel 107, so that the outer edge 402 is stuck on the upper surface of the limiting wheel 107, and then start the No. 1 motor 3. The No. 1 motor 3 cooperates with the reduction box 301 to drive one of the rollers 104 to rotate. The roller 104 cooperates with the synchronous wheel 105 and the synchronous belt 106 to drive the other roller 104 to rotate synchronously, so that the mold 4 between the two sets of limiting wheels 107 can roll.

[0024] A movably connected limit rod 102 is embedded on the upper surface of the base 1, and one end of the limit rod 102 is fixedly connected to a push plate 103. The output end of the hydraulic push rod 101 is fixedly connected to the push plate 103. When unloading, the hydraulic push rod 101 is started, and the output end of the hydraulic push rod 101 cooperates with the limit rod 102 to drive the push plate 103 to move, so that the push plate 103 pushes the mold 4. The mold 4 cooperates with the limit wheel 107 to flip to the upper surface of the slide rail 201, so that the mold 4 can slide along the slide rail 201, and workers do not need to use tools such as crowbars to manually pry away the mold 4, which is convenient for workers to use.

[0025] One end of the roller 104 is fixedly connected with a synchronous wheel 105, and the outer surface of the synchronous wheel 105 is nested with a synchronous belt 106. The output end of the No. 1 motor 3 is connected to the input end of the reduction box 301, and the output end of the reduction box 301 is fixedly connected to one of the rollers 104. The outer surface of the screw conveyor 5 is fixedly connected with a scraper ring 501, and the outer surface of the screw conveyor 5 is fixedly connected with a connecting plate 502. The lower surface of the screw conveyor 5 is rotatably connected with a caster 503. The upper surface of the mounting frame 6 is fixedly connected with a limiting sleeve 603. The outer surface of the mounting frame 6 is fixedly connected with the No. 2 motor 601, and the output end of the No. 2 motor 601 is fixedly connected with a screw 602. The connecting plate 502 and the screw 602 are threadedly connected. On the basis of the rolling of the mold 4, the screw conveyor is started. 5, concrete can be transported to the inside of the mold 4 through the screw conveyor 5. Under the action of centrifugal force, the concrete squeezes the inner wall of the mold 4 and wraps the steel cage. The second motor 601 is started, and the second motor 601 drives the screw 602 to rotate. Under the push of the thread, the conveying pipe of the screw conveyor 5 inside the mold 4 moves toward the outside of the mold 4 until the screw conveyor 5 and the mold 4 are separated. In the process of moving, the scraper ring 501 scrapes the concrete, and cooperates with the rotation of the mold 4 to make the inner wall of the concrete pipe smooth. The loading and scraping of the inner wall can be completed without manual operation by workers, thereby improving the safety of the device. The caster 503 rolls on the ground to facilitate the movement of the screw conveyor 5, and the limiting sleeve 603 limits the conveying pipe of the screw conveyor 5.

[0026] Working principle: When in use, first combine the two half cylinders 401, and place a steel cage in the cylinder body formed by the two half cylinders 401, then embed the blocking rings 404 at both ends of the cylinder body to make the limiting cylinder 405 contact the steel cage, then insert the connecting column 406 into the through hole 403, and install the nut and gasket to complete the assembly of the mold 4, place the mold 4 on the limiting wheel 107, so that the outer edge 402 is stuck on the upper surface of the limiting wheel 107, then start the No. 1 motor 3, the No. 1 motor 3 cooperates with the reduction box 301 to drive one of the rollers 104 to rotate, and the roller 104 cooperates with the synchronous wheel 105 and the synchronous belt 106 to drive the other roller 104 to rotate synchronously, so that the mold 4 between the two sets of limiting wheels 107 rolls;

[0027] On the basis of rolling of the mold 4, the screw conveyor 5 is started, and concrete can be transported to the inside of the mold 4 through the screw conveyor 5. Under the action of centrifugal force, the concrete squeezes the inner wall of the mold 4 and wraps the steel cage. The second motor 601 is started, and the second motor 601 drives the screw 602 to rotate. Under the push of the thread, the conveying pipe of the screw conveyor 5 inside the mold 4 moves toward the outside of the mold 4 until the screw conveyor 5 and the mold 4 are separated. In the process of moving, the scraper ring 501 scrapes the concrete, and cooperates with the rotation of the mold 4 to make the inner wall of the concrete pipe smooth. The loading and scraping of the inner wall can be completed without manual operation by the workers, thereby improving the safety of the device. The caster 503 rolls on the ground to facilitate the movement of the screw conveyor 5, and the limiting sleeve 603 limits the conveying pipe of the screw conveyor 5.

[0028] When unloading, start the hydraulic push rod 101, and the output end of the hydraulic push rod 101 cooperates with the limit rod 102 to drive the push plate 103 to move, so that the push plate 103 pushes the mold 4, and the mold 4 cooperates with the limit wheel 107 to flip to the upper surface of the slide rail 201, so that the mold 4 can slide along the slide rail 201, and workers do not need to use tools such as pry bars to manually pry away the mold 4, which is convenient for workers to use.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above contents are merely examples and explanations of the present utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the present utility model.

Claims

1. A device for preparing a reinforced concrete drainage pipe, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a hydraulic push rod (101), the front surface of the base (1) is fixedly connected to a reduction box (301), the outer surface of the reduction box (301) is fixedly connected to a No. 1 motor (3), the front surface of the base (1) is embedded with two rollers (104), both ends of the rollers (104) are fixedly connected to limiting wheels (107), the side surface of the base (1) is fixedly connected to a material discharge rack (2), the front and rear surfaces of the base (1) are fixedly connected to a mounting frame (6), the upper part of the mounting frame (6) is movably connected to a screw conveyor (5), and the outer surface of the limiting wheel (107) is rollingly connected to a mold (4).

2. The manufacturing device of a reinforced concrete drainage pipe according to claim 1, characterized in that: A movable limit rod (102) is embedded in the upper surface of the base (1); one end of the limit rod (102) is fixedly connected to a push plate (103); and the output end of the hydraulic push rod (101) is fixedly connected to the push plate (103).

3. The manufacturing device of a reinforced concrete drainage pipe according to claim 1, characterized in that: One end of the roller (104) is fixedly connected to a synchronous wheel (105), and the outer surface of the synchronous wheel (105) is nested with a synchronous belt (106). The output end of the first motor (3) is connected to the input end of the reduction box (301), and the output end of the reduction box (301) is fixedly connected to one of the rollers (104).

4. The manufacturing device of a reinforced concrete drainage pipe according to claim 1, characterized in that: The upper surface of the unloading rack (2) is fixedly connected to two slide rails (201), and the mold (4) comprises two half cylinders (401), an outer edge (402), a blocking ring (404), a limiting cylinder (405) and a connecting column (406). The outer surface of the half cylinder (401) is fixedly connected to the outer edge (402) near both ends, and the outer edge (402) is rollingly connected to the limiting wheel (107). The two ends of the half cylinder (401) are nested with blocking rings (404), and the outer surface of the blocking ring (404) is fixedly connected to the limiting cylinder (405). The front surfaces of the blocking ring (404) and the outer edge (402) are both provided with through holes (403), and the connecting column (406) is inserted into the interior of the through hole (403). Both ends of the connecting column (406) are threadedly connected with nuts, and a gasket is nested and connected between the nut and the blocking ring (404).

5. The manufacturing device of a reinforced concrete drainage pipe according to claim 1, characterized in that: The outer surface of the screw conveyor (5) is fixedly connected to a scraper ring (501), the outer surface of the screw conveyor (5) is fixedly connected to a connecting plate (502), and the lower surface of the screw conveyor (5) is rotatably connected to a caster (503).

6. The manufacturing device of a reinforced concrete drainage pipe according to claim 1, characterized in that: The upper surface of the mounting frame (6) is fixedly connected to a limiting sleeve (603), the outer surface of the mounting frame (6) is fixedly connected to a second motor (601), and the output end of the second motor (601) is fixedly connected to a lead screw (602).

7. The manufacturing device of a reinforced concrete drainage pipe according to claim 5, characterized in that: The connecting plate (502) and the screw rod (602) are threadedly connected.

Citation Information

Patent Citations

  • Centrifugal preparation equipment of reinforced concrete drain pipe

    CN208215640U