Climbing ladder for PCCP (prestressed concrete cylinder pipe) construction

By designing a ladder-shaped climbing structure and a transparent acrylic panel installation structure, the problem of convenient climbing during construction inside PCCP pipes was solved, the stability and practicality of the ladder were improved, and convenient protective functions were provided.

CN223661711UActive Publication Date: 2025-12-12GUANGDONG YUANTIAN ENG
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Patent Information

Application Number
CN202423058634.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-12
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing climbing ladders cannot be installed inside PCCP pipes, and the internal mesh has limited functionality.

Method used

A climbing ladder for PCCP pipe construction was designed, including a ladder, a sign, a mesh screen, and a transparent acrylic panel. The ladder has multiple first connecting rods inside to form a ladder-like structure. The sign has mounting grooves and slots for installing the transparent acrylic panel, and the mesh screen is used for separation and protection.

Benefits of technology

It enables construction workers to easily climb inside the PCCP pipe, improves the stability and practicality of the escalator, facilitates the replacement of signs, and provides effective protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of water conservancy project pipeline installation and construction, in particular to a PCCP pipe construction climbing ladder which comprises a ladder stand, a label is fixedly connected to the upper portion of one side of the ladder stand, a separation net is fixedly installed on the side, away from the label, of the ladder stand, and the ladder stand is located on the lower portion in a pipe body. The ladder stand comprises a first rack assembly, a second rack assembly, first connecting rods and second connecting rods, the first rack assembly and the second rack assembly are arranged in parallel, the first connecting rods are located between the first rack assembly and the second rack assembly, and the bottom ends of the first rack assembly and the second rack assembly are connected with the second connecting rods. The multiple first connecting rods are located between the first rack assembly and the second rack assembly, the multiple first connecting rods are arranged in a ladder shape to form a ladder, a constructor can conveniently climb in the pipe body, the partition net is fixedly installed on the side, away from the sign, of the ladder stand, the partition and protection effects are achieved, and the practicability of the ladder stand is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy project pipeline installation construction technical field, concretely relates to a PCCP pipe construction climbing stairway. BACKGROUND

[0002] Prestressed concrete cylinder pipe (PCCP) is a new type of steel pipe. PCCP has a composite structure, can bear high internal and external pressure, has good sealing performance at the joint, has strong anti-seismic capacity, is convenient and fast to construct, has good corrosion resistance, is easy to maintain, and has other characteristics. PCCP is widely used in long-interval water supply trunk lines, pressure inverted siphons, urban water supply projects, industrial pressure water supply pipelines, circulating water engineering downcomers of power plants, and pressure sewage dry pipes. Compared with previous pipe materials, PCCP has the advantages of wide application range, long economic life, good anti-seismic performance, convenient installation, low operation cost, and basically no water leakage.

[0003] During the construction of the PCCP pipe, a climbing stairway needs to be used. The existing climbing stairway is usually used for construction on the outside of the PCCP pipe. When the inside of the PCCP pipe needs to be constructed, the existing climbing stairway cannot be used. In addition, the existing separation net used in the PCCP pipe has the problem of single function.

[0004] Therefore, we propose a PCCP pipe construction climbing stairway. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a PCCP pipe construction climbing stairway. A plurality of first connecting rods are arranged between the first frame assembly and the second frame assembly in a ladder shape to form a ladder, which facilitates the climbing of construction personnel in the pipe body. The separation net fixedly installed on the side of the ladder away from the sign plays a role in separation and protection, further improves the practicality, and effectively solves the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0007] A PCCP pipe construction climbing stairway comprises a ladder, a sign is fixedly connected to the upper part of one side of the ladder, a separation net is fixedly installed on the side of the ladder away from the sign, the ladder is located in the lower part of the pipe body, and the ladder comprises a first frame assembly, a second frame assembly, a first connecting rod, and a second connecting rod.

[0008] The first frame assembly and the second frame assembly each comprise a first horizontal rod, a second horizontal rod, a vertical rod, and a support rod.

[0009] The sign is fixedly welded at one side of the second sheet frame assembly, the sign is provided with a mounting groove for mounting a fastener at the side away from the second sheet frame assembly, the fastener is provided with a clamping groove for mounting a transparent acrylic plate at the side away from the sign, and the sign and the transparent acrylic plate are provided with an insertion cavity for placing a signboard.

[0010] By adopting the above technical scheme, the plurality of first connecting rods are arranged between the first sheet frame assembly and the second sheet frame assembly in a ladder shape to form a ladder, which is convenient for a construction worker to climb in the pipe body, the fixedly installed separation net at the side away from the sign of the ladder plays a role of separation and protection, and the practicability is further improved.

[0011] Specifically, the transparent acrylic plate is provided with a taking groove at the middle of the top end for taking the signboard.

[0012] Specifically, the sign is a vertically arranged rectangular plate structure, and the fastener is buckled at one side of the sign.

[0013] Specifically, the fastener is fixedly connected with one side of the sign through a fixing bolt, and the fixing bolt is provided with a plurality of fixing bolts.

[0014] Specifically, the first horizontal rod and the second horizontal rod are arranged in parallel, the first horizontal rod is located directly above the second horizontal rod, and the second horizontal rod is connected with the first horizontal rod through a vertical rod and an inclined rod.

[0015] Specifically, a supporting rod is further connected between the first horizontal rod and the second horizontal rod, and the vertical rod is arranged in a right angle structure between the first horizontal rod and the second horizontal rod.

[0016] The utility model discloses the beneficial effect of:

[0017] (1) a kind of PCCP pipe construction climbing ladder, and the plurality of first connecting rods are arranged between the first sheet frame assembly and the second sheet frame assembly in a ladder shape to form a ladder, which is convenient for a construction worker to climb in the pipe body, the first sheet frame assembly and the second sheet frame assembly are connected with the second connecting rod at bottom end, the second connecting rod can increase the contact area between the first sheet frame assembly, the second sheet frame assembly and the pipe body, and further can improve the stability of ladder in the pipe body.

[0018] (2) a kind of PCCP pipe construction climbing ladder, and the sign is provided with a mounting groove for mounting a fastener at the side away from the second sheet frame assembly, the fastener is provided with a clamping groove for mounting a transparent acrylic plate at the side away from the sign, and the sign and the transparent acrylic plate are provided with an insertion cavity for placing a signboard. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0021] Fig. 2 This is a front view of the ladder of this utility model;

[0022] Fig. 3 This is a three-dimensional view of the sign of this utility model;

[0023] In the diagram: 1. First frame assembly; 2. Second frame assembly; 3. First connecting rod; 4. Second connecting rod; 5. First crossbar; 6. Second crossbar; 7. Upright; 8. Support rod; 9. Sign; 10. Ladder; 11. Partition net; 12. Pipe body; 13. Fastener; 14. Slot; 15. Retrieval slot; 16. Fixing bolt; 17. Transparent acrylic sheet; 18. Insertion cavity; 19. Mounting slot. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] As one embodiment of this utility model, such as Figs. 1-3 As shown, the PCCP pipe construction climbing ladder of this utility model includes a climbing ladder 10. A sign 9 is fixedly connected to the upper part of one side of the climbing ladder 10. A mesh 11 is fixedly installed on the side of the climbing ladder 10 away from the sign 9. The climbing ladder 10 is located in the lower part of the pipe body 12. The climbing ladder 10 includes a first frame assembly 1, a second frame assembly 2, a first connecting rod 3, and a second connecting rod 4. The first frame assembly 1 and the second frame assembly 2 are arranged relatively parallel. Multiple first connecting rods 3 are arranged relatively parallel. Multiple first connecting rods 3 are located between the first frame assembly 1 and the second frame assembly 2. The bottom ends of the first frame assembly 1 and the second frame assembly 2 are all connected to the second connecting rod 4.

[0026] Both the first sheet frame assembly 1 and the second sheet frame assembly 2 include a first crossbar 5, a second crossbar 6, a vertical post 7, and a support post 8;

[0027] The sign 9 is fixedly welded to the upper center of the second frame assembly 2 on one side. The sign 9 is provided with a mounting groove 19 for mounting fastener 13 on the side away from the second frame assembly 2. The fastener 13 is provided with a slot 14 for mounting transparent acrylic sheet 17 on the side away from the sign 9. An insertion cavity 18 for placing a signboard is provided between the sign 9 and the transparent acrylic sheet 17.

[0028] In use, multiple first connecting rods 3 are located between the first frame assembly 1 and the second frame assembly 2. The multiple first connecting rods 3 are arranged in a ladder shape to facilitate construction personnel to climb inside the pipe. A fastener 13 with a transparent acrylic plate 17 is fastened and installed on the side of the sign 9 near the mounting groove 19. The fastener 13 is fixedly connected to one side of the sign 9 by a fixing bolt 16. Then, the sign to be used is inserted into the insertion cavity 18. The partition net 11 fixedly installed on the side away from the sign 9 by the ladder 10 serves as a separation and protection function.

[0029] This utility model also includes a retrieval slot 15 for retrieving a signboard located at the center of the top of the transparent acrylic plate 17.

[0030] This utility model also includes that the sign 9 is a vertically arranged rectangular plate structure, and the fastener 13 is fastened to one side of the sign 9.

[0031] This utility model also includes that the fastener 13 is fixedly connected to one side of the sign 9 by a fixing bolt 16, and the fixing bolt 16 is provided in multiple ways.

[0032] The present invention further includes that the first crossbar 5 and the second crossbar 6 are arranged parallel to each other, the first crossbar 5 is located directly above the second crossbar 6, and the second crossbar 6 is connected to the first crossbar 5 through a vertical bar 7 and a diagonal bar.

[0033] The present invention also includes a support rod 8 connecting the first crossbar 5 and the second crossbar 6, and the upright 7 is arranged at a right angle to the first crossbar 5 and the second crossbar 6.

[0034] In use, multiple first connecting rods 3 are located between the first frame assembly 1 and the second frame assembly 2, arranged in a ladder shape to facilitate climbing by construction personnel inside the pipe. The bottom ends of the first frame assembly 1 and the second frame assembly 2 are connected to the second connecting rods 4. The second connecting rods 4 can increase the contact area between the first frame assembly 1, the second frame assembly 2 and the pipe 12, thereby improving the stability of the ladder 10 inside the pipe 12. A fastener 13 with a transparent acrylic plate 17 is fastened and installed on the side of the sign 9 near the mounting groove 19. The fastener 13 is fixedly connected to one side of the sign 9 by a fixing bolt 16. Then, the sign to be used is inserted into the insertion cavity 18. The partition net 11 fixedly installed on the side of the ladder 10 away from the sign 9 serves as a separation and protection function.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A climbing ladder for PCCP pipe construction, characterized in that, The system includes a ladder (10), a sign (9) is fixedly connected to the upper part of one side of the ladder (10), and a mesh (11) is fixedly installed on the side of the ladder (10) away from the sign (9). The ladder (10) is located in the lower part of the tube body (12). The ladder (10) includes a first frame assembly (1), a second frame assembly (2), a first connecting rod (3), and a second connecting rod (4). The first frame assembly (1) and the second frame assembly (2) are arranged in parallel relative to each other. Multiple first connecting rods (3) are arranged in parallel relative to each other. Multiple first connecting rods (3) are located between the first frame assembly (1) and the second frame assembly (2). The bottom ends of the first frame assembly (1) and the second frame assembly (2) are connected to the second connecting rod (4). The first sheet frame assembly (1) and the second sheet frame assembly (2) both include a first crossbar (5), a second crossbar (6), a vertical rod (7), and a support rod (8); The sign (9) is fixedly welded to the upper center of the second frame assembly (2) on one side. The sign (9) is provided with a mounting groove (19) for installing fasteners (13) on the side away from the second frame assembly (2). The fasteners (13) are provided with a slot (14) for installing transparent acrylic sheet (17) on the side away from the sign (9). There is an insertion cavity (18) for placing slogan signs between the sign (9) and the transparent acrylic sheet (17).

2. The PCCP pipe construction climbing ladder according to claim 1, characterized in that, The transparent acrylic panel (17) has a retrieval slot (15) at the center of its top for retrieving the signboard.

3. The PCCP pipe construction climbing ladder according to claim 1, characterized in that, The sign (9) is a vertically arranged rectangular plate structure, and the fastener (13) is fastened to one side of the sign (9).

4. The PCCP pipe construction climbing ladder according to claim 1, characterized in that, The fastener (13) is fixedly connected to one side of the sign (9) by a fixing bolt (16), and there are multiple fixing bolts (16).

5. The PCCP pipe construction climbing ladder according to claim 1, characterized in that, The first horizontal bar (5) and the second horizontal bar (6) are arranged parallel to each other. The first horizontal bar (5) is located directly above the second horizontal bar (6). The second horizontal bar (6) is connected to the first horizontal bar (5) through the upright (7) and the diagonal bar.

6. The PCCP pipe construction climbing ladder according to claim 5, characterized in that, A support rod (8) is also connected between the first crossbar (5) and the second crossbar (6), and the upright (7) is arranged at a right angle to the first crossbar (5) and the second crossbar (6).