A carrying device for railway pipe jacking construction

Abstract

This utility model discloses a transport device for railway pipe jacking construction, including a transport trolley running on a track. The transport trolley has anti-collision components at both ends, and pedals are hinged to the bottom ends of both sides. Support components are hinged to the pedals, and fasteners are provided at the top ends of both sides of the transport trolley for securing and storing the pedals. In this application, the anti-collision components not only prevent direct collisions during operation, reducing damage from collisions, but also buffer collisions, preventing overturning due to excessive speed and ensuring safety. Furthermore, the support components directly support the outer edges of the pedals, distributing the supporting force of the transport trolley on the pedals and effectively protecting the connection between the pedals and the transport trolley, reducing the possibility of pedal detachment. Additionally, the support components prevent overturning caused by excessive torque due to directly using the track as a fulcrum, ensuring safe operation.

Description

Technical Field

[0001] This utility model relates to the field of pipe jacking construction application technology, specifically to a handling device used in railway pipe jacking construction. Background Technology

[0002] In the field of railway pipe jacking construction, reinforced concrete circular pipes are typically used as protective sleeves. PE pipes or steel pipes need to be inserted inside the sleeves. The construction process largely relies on manual excavation and jacking, and requires the assistance of engineering trolleys to complete the excavation work. However, the protective sleeves are circular in structure, with inherently limited internal space. Furthermore, a large amount of mud easily accumulates inside the pipes during construction, resulting in a damp and muddy working environment. This not only hinders the movement of the engineering trolleys but also poses a severe challenge to construction workers passing through the pipes—personnel often have to hold onto the side walls of the trolleys and pass slowly, as a slight misstep could lead to a slip and fall, posing a serious safety hazard.

[0003] To address the aforementioned issues, Chinese Patent CN 219154460U discloses an engineering trolley for railway pipe jacking construction. This trolley features outward-folding pedals on both side walls (the lower edge of the pedals is connected to the side walls of the trolley via hinges, and the outer wall has buckles for folding and securing). This allows the trolley to be unfolded for personnel passage during use and folded to save space when not in use. Simultaneously, telescopic plates with grooves and fixing bolts are stacked on the pedals. The extension length of the telescopic plates can be adjusted to accommodate protective sleeves of different pipe diameters. The curved rubber edge strip at the end of the telescopic plates can also fit against the inner wall of the sleeve, providing both support and protection against hard impacts. Although the trolley has solved the problem of missing construction passage in the pipe to a certain extent and can be reused, it still has many shortcomings in actual working conditions: (1) The pedal and the trolley are only connected by a connecting piece. During the stepping process, the pedal is easy to fall off due to the lack of support on the outside of the pedal, or the trolley may overturn; (2) In addition, the trolley lacks a buffer and anti-collision device during the pipe jacking construction process, which can easily cause the trolley to rear-end each other and cause damage. There is even a phenomenon of overturning on the downhill section. Summary of the Invention

[0004] The purpose of this utility model is to provide a handling device for railway pipe jacking construction, which solves the problems of pedal detachment, easy damage and tipping over of the trolley mentioned above.

[0005] The technical solution of this utility model: A transport device for railway pipe jacking construction includes a transport trolley running on a track. The transport trolley is equipped with anti-collision components at both ends, and pedals are hinged to the bottom ends of both sides. The pedals are hinged to support components, and fasteners are provided at the top ends of both sides of the transport trolley for securing and storing the pedals.

[0006] The anti-collision component includes a buffer spring and a buffer block. One end of the buffer spring is fixedly connected to the transport trolley, and the other end is fixedly connected to the buffer block.

[0007] The support member includes a support rod, a telescopic rod, and a compression spring. The support rod has a spring mounting cavity inside, and the compression spring is disposed in the spring mounting cavity. One end of the telescopic rod passes through the spring mounting cavity and is connected to the compression spring. The support rod is connected to the outer side of the bottom end of the pedal in the unfolded state.

[0008] The spring mounting cavity is provided with a locking structure, and the longitudinal section of the telescopic rod is a T-shaped structure that cooperates with the locking structure.

[0009] The pedal is equipped with a storage slot for easy storage of the support member, and the storage slot is located at the connection between the support rod and the pedal.

[0010] The storage slot is equipped with a corrective component, which includes a hinge and a corrective spring. One hinge is hinged inside the storage slot, and the other hinge is hinged to the support rod. One end of the corrective spring is connected to the center of the hinge, and the other end is connected to the inside of the connection between the support rod and the pedal.

[0011] The fastener is a hook, which is hinged to the transport trolley.

[0012] At least two pedals are provided and are evenly arranged on both sides of the transport trolley, and each pedal is equipped with at least two support members.

[0013] The pedal includes an inner plate and an outer plate. One side of the inner plate is embedded inside the outer plate and is slidably connected by a slide rail.

[0014] The beneficial effects of this utility model are: In this application, the anti-collision components not only prevent direct collisions between the transport trolley and other components during operation, reducing damage from collisions, but also buffer collisions to prevent tipping due to excessive speed, thus ensuring safety. Furthermore, the support components directly support the outer edge of the pedal, distributing the support force of the transport trolley on the pedal and effectively protecting the connection between the pedal and the transport trolley, reducing the possibility of the pedal falling off. In addition, the support components also prevent excessive torque caused by directly using the track as a fulcrum, thus ensuring safe movement. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model. Figure 1 ; Figure 2 This is a schematic diagram of the structure of this utility model. Figure 2 ; Figure 3 This is a schematic diagram of the internal structure of the support component of this utility model; Figure 4 This is a structural schematic diagram of the corrective component of this utility model; Figure 5 This is a schematic diagram of the connection structure of the corrective component of this utility model.

[0016] Attached reference numerals: 1-track, 2-carrying trolley, 3-anti-collision component, 4-pedal, 5-fastener, 6-buffer spring, 7-buffer block, 8-support rod, 9-telescopic rod, 10-compression spring, 11-storage slot, 12-hinge, 13-correcting spring, 14-inner panel, 15-outer panel, 16-slide rail. Detailed Implementation

[0017] Example 1: refer to Figures 1-5 A transport device for railway pipe jacking construction includes a transport trolley 2 running on a track 1. The transport trolley 2 is provided with anti-collision parts 3 at both ends, and pedals 4 are respectively hinged to the bottom ends on both sides. The pedals 4 are hinged with support members, and fasteners 5 are provided at the top ends on both sides of the transport trolley 2 for fastening and storing the pedals 4.

[0018] In this application, the anti-collision component 3 not only avoids direct collisions between the transport trolley and the transport trolley during operation, reducing damage caused by collisions, but also buffers the collisions, preventing overturning due to excessive speed and ensuring safety. Moreover, the support component directly supports the outer edge of the pedal 4, distributing the support force of the transport trolley on the pedal 4, effectively protecting the connection between the pedal 4 and the transport trolley, and reducing the possibility of the pedal falling off.

[0019] The anti-collision component 3 includes a buffer spring 6 and a buffer block 7. One end of the buffer spring 6 is fixedly connected to the transport trolley 2, and the other end is fixedly connected to the buffer block 7.

[0020] The buffer block 7 is mainly designed to create a barrier between two adjacent transport trolleys 2, thereby preventing direct collisions between them and effectively protecting the transport trolleys 2. The buffer spring 6 effectively cushions the impact, reducing the speed of the transport trolleys 2 and preventing them from tipping over due to violent collisions. In actual use, the buffer block 7 uses elastic rubber for even better impact protection.

[0021] The support includes a support rod 8, a telescopic rod 9, and a compression spring 10. The support rod 8 has a spring mounting cavity (not shown in the figure) inside. The compression spring 10 is disposed in the spring mounting cavity. One end of the telescopic rod 9 passes through the spring mounting cavity and is connected to the compression spring 10. The support rod 8 is connected to the outer side of the bottom end of the pedal 4 in the unfolded state.

[0022] In this application, the support mainly serves as an auxiliary support. During use, the compression spring 10 is located in the spring mounting cavity, pressing against the support rod 8 and the telescopic rod 9, causing the support to extend and support the pipe jacking construction ground, thereby supporting the step 4. When construction workers walk on it, the support provides partial support, which on the one hand prevents the connection between the step 4 and the transport trolley 2 from being subjected to force alone, effectively protecting the connection; on the other hand, it also prevents the side tipping phenomenon caused by excessive torque due to directly using the track 1 as a fulcrum, ensuring walking safety.

[0023] The spring mounting cavity is equipped with a locking structure, and the longitudinal section of the telescopic rod 9 is a T-shaped structure that cooperates with the locking structure. This design is mainly to prevent the telescopic rod 9 from falling off, ensuring that the telescopic rod 9 is embedded inside the spring mounting cavity and guaranteeing the stability of the structure.

[0024] The pedal 4 is equipped with a storage slot 11 for easy storage of the support member. The storage slot 11 is located at the connection between the support rod 8 and the pedal 4.

[0025] The storage slot 11 is provided with a straightening component, which includes a hinge 12 and a straightening spring 13. One hinge 12 is hinged inside the storage slot 11, and the other hinge is hinged to the support rod 8. One end of the straightening spring 13 is connected to the center of the hinge 12, and the other end is connected to the inner side of the connection between the support rod 8 and the pedal 4.

[0026] The storage slot 11 is designed to facilitate the storage of the support and straightening components. When the support is not in use, pressing the support rod 8 shortens the support and stores it inside the storage slot 11. The straightening component is designed to facilitate the correction or straightening of the support. When the support is not aligned properly on the ground after being extended, the compressed straightening spring 13 extends, causing the hinge 12 to press against the pedal 4 and the support rod 8, straightening the support rod 8 and ensuring that the support is vertically supported on the construction ground, thus effectively providing support. During the design of the straightening component, it is necessary to ensure that when the support is vertically supported on the construction ground, the straightening spring 13 is in a normal, unstressed state, avoiding excessive stress on the support and causing it to tilt.

[0027] The fastener 5 is a hook, which is hinged to the transport trolley 2. This design is mainly to facilitate the storage of the pedal 4. Specifically, when the pedal 4 is not in use, it is flipped over so that it is attached to the side wall of the transport trolley 2, and the fastener 5 is hooked to secure the pedal 4, thereby reducing the space occupied by the pedal 4 in the construction work.

[0028] At least two pedals 4 are provided and evenly distributed on both sides of the transport trolley 2. Each pedal 4 is equipped with at least two support members. In normal use, the pedals 4 are made of metal and are relatively heavy. Providing multiple pedals 4 can reduce weight, facilitate safe operation, and ensure safety.

[0029] The pedal 4 includes an inner plate 14 and an outer plate 15. One side of the inner plate 14 is embedded inside the outer plate 15 and is slidably connected by a slide rail 16. This design is mainly to facilitate flexible adjustment of the width of the pedal 4, thereby enabling flexible use in confined spaces during pipe jacking construction and enhancing practicality.

Claims

1. A handling device for railway pipe jacking construction, characterized in that: The trolley (2) runs on a track (1), with anti-collision parts (3) at both ends and pedals (4) hinged to the bottom of both sides respectively. The pedals (4) are hinged to support members, and fasteners (5) are provided at the top of both sides of the trolley (2) for fastening and storing the pedals (4).

2. The carrying device for railway pipe jacking construction according to claim 1, characterized in that: The anti-collision component (3) includes a buffer spring (6) and a buffer block (7). One end of the buffer spring (6) is fixedly connected to the transport trolley (2), and the other end is fixedly connected to the buffer block (7).

3. The carrying device for railway pipe jacking construction according to claim 1, characterized in that: The support includes a support rod (8), a telescopic rod (9), and a compression spring (10). The support rod (8) has a spring mounting cavity inside. The compression spring (10) is located in the spring mounting cavity. One end of the telescopic rod (9) passes through the spring mounting cavity and is connected to the compression spring (10). The support rod (8) is connected to the outside of the bottom end of the pedal (4) in the unfolded state.

4. The carrying device for railway pipe jacking construction according to claim 3, characterized in that: The spring mounting cavity is provided with a locking structure, and the longitudinal section of the telescopic rod (9) is a T-shaped structure that cooperates with the locking structure.

5. The carrying device for railway pipe jacking construction according to claim 3, characterized in that: The pedal (4) is provided with a storage slot (11) to facilitate the storage of the support member. The storage slot (11) is located at the connection between the support rod (8) and the pedal (4).

6. The carrying device for railway pipe jacking construction according to claim 5, characterized in that: The storage slot (11) is provided with a corrective component, which includes a hinge (12) and a corrective spring (13). One hinge (12) is hinged inside the storage slot (11), and the other hinge is hinged on the support rod (8). One end of the corrective spring (13) is connected to the center of the hinge (12), and the other end is connected to the inner side of the connection between the support rod (8) and the pedal (4).

7. The carrying device for railway pipe jacking construction according to claim 1, characterized in that: The fastener (5) is a hook, which is hinged to the transport trolley (2).

8. The carrying device for railway pipe jacking construction according to claim 1, characterized in that: At least two pedals (4) are provided and are evenly arranged on both sides of the transport trolley (2), and each pedal (4) is provided with at least two support members.

9. The carrying device for railway pipe jacking construction according to claim 1, characterized in that: The pedal (4) includes an inner plate (14) and an outer plate (15). One side of the inner plate (14) is embedded inside the outer plate (15) and is slidably connected by a slide rail (16).

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