An outdoor trench excavation auxiliary device

Abstract

The utility model relates to the technical field of trench support, disclose a kind of outdoor pipe trench excavation auxiliary device, including a pair of oppositely arranged for the support baffle of adhering pipe ditch two side walls, a pair of support baffle is provided with cross bracing and cross arm, the front end of support baffle is provided with traction plate, traction plate is connected with the traction rod for connecting external device, device is linked with excavator by traction device, so that support system can be moved forward with excavation process synchronization, improve efficiency, shorten construction period, using rigid support baffle combination hydraulic regulating system, can actively compact pipe ditch side wall, and using the method that pipeline is lowered through roller, reduce the labor intensity and safety risk of worker, the cross arm design of quick release, both provide temporary support platform for pipeline, and can be quickly removed after pipeline is in position, facilitate subsequent operation.

Description

Technical Field

[0001] This utility model relates to the field of trench support technology, specifically to an auxiliary device for outdoor pipe trench excavation. Background Technology

[0002] In the field of building construction, outdoor pipe trench excavation is a common but extremely challenging operation, especially in complex geological environments with loose soil, high groundwater levels, or limited space.

[0003] To avoid slope collapse, large-scale excavation with a safe slope is required, resulting in a huge amount of earthwork excavation and backfilling. This not only increases the cost of machinery shifts and transportation, but also significantly extends the construction period. Under unfavorable geological conditions such as loose fill and sand, the slope is very prone to instability and collapse after excavation, requiring repeated and passive temporary support. Workers are exposed to the risk of deep ditch collapse, resulting in poor safety. Summary of the Invention

[0004] Therefore, the purpose of this utility model is to provide an auxiliary device for outdoor pipe trench excavation, which can effectively solve the problems mentioned in the background art.

[0005] The present invention adopts the following technical solution: an outdoor trench excavation auxiliary device, comprising a pair of oppositely arranged support baffles for fitting against the two side walls of the trench, a horizontal support and a horizontal beam between the pair of support baffles, a traction plate at the front end of the support baffles, and a traction rod for connecting to an external device connected to the traction plate.

[0006] The lateral support includes a fixed spindle and a rolling sleeve. The lateral support is connected to the support baffle via a manual hydraulic cylinder. The two ends of the fixed spindle are hinged to the extended ends of the manual hydraulic cylinder via pins. The cylinder base of the manual hydraulic cylinder is bolted to the support baffle. The rolling sleeve is sleeved on the fixed spindle. A bearing is installed between the fixed spindle and the rolling sleeve, so that the rolling sleeve can rotate relative to the fixed spindle.

[0007] The crossarm includes an outer crossarm beam and an inner crossarm beam. Hollow cavities are formed at both ends of the outer crossarm beam along its length. The inner crossarm beam is nested in the hollow cavities at both ends of the outer crossarm beam and its relative position is fixed by inserting a cotter pin into a locking pin hole.

[0008] One end of the drawbar is hinged to the drawbar plate, and the other end is provided with a universal joint mechanism for connecting to the bucket arm or body of the excavator.

[0009] The inner beams of the crossarms at both ends are connected to the support baffles via connecting lugs and quick-release pins.

[0010] The cross bracing and crossarm are in multiple sets, with multiple sets of cross bracing symmetrically arranged in the middle of the support baffle and multiple sets of crossarm symmetrically arranged at the bottom of the support baffle.

[0011] The support baffle is provided with reinforcing ribs.

[0012] The support baffle consists of multiple baffles connected in series by high-strength bolts to accommodate trenches of different lengths.

[0013] Compared with the prior art, the advantages of this utility model are as follows: the device is linked with the excavator through the traction device, so that the support system can move forward synchronously with the excavation process, which improves efficiency and shortens the construction period. The rigid support baffle combined with the hydraulic adjustment system can actively press the side wall of the trench. The method of lowering the pipeline through the roller reduces the labor intensity and safety risks of workers. The quick-release crossarm design not only provides a temporary support platform for the pipeline, but also can be quickly removed after the pipeline is in place, which facilitates subsequent operations. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the horizontal support structure of this utility model; Figure 3 This is a schematic diagram of the crossbeam structure of this utility model; Figure 4 This is a partially enlarged schematic diagram of point A in this utility model; In the diagram: 1. Support baffle; 2. Horizontal support; 21. Manual hydraulic cylinder; 22. Fixed spindle; 23. Rolling sleeve; 24. Bearing; 3. Crossbeam; 31. Crossbeam outer beam; 32. Crossbeam inner beam; 33. Locking pin hole; 34. Connecting ear plate; 4. Traction plate; 5. Traction rod; 6. Reinforcing rib. Detailed Implementation

[0015] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0016] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0017] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, an outdoor trench excavation auxiliary device includes a pair of opposing support plates 1 for fitting against the two side walls of the trench. A horizontal support 2 and a crossbeam 3 are provided between the pair of support plates 1. A traction plate 4 is provided at the front end of the support plate 1, and a traction rod 5 for connecting to an external device is connected to the traction plate 4.

[0018] The horizontal support 2 includes a fixed spindle 22 and a rolling sleeve 23. The horizontal support 2 is connected to the support baffle 1 via a manual hydraulic cylinder 21. The two ends of the fixed spindle 22 are hinged to the extended ends of the manual hydraulic cylinder 21 via pins. The cylinder base of the manual hydraulic cylinder 21 is bolted to the support baffle 1. The rolling sleeve 23 is sleeved on the fixed spindle 22. A bearing 24 is installed between the fixed spindle 22 and the rolling sleeve 23, so that the rolling sleeve 23 can rotate relative to the fixed spindle 22.

[0019] The crossbeam 3 includes an outer crossbeam 31 and an inner crossbeam 32. The outer crossbeam 31 has hollow cavities at both ends along its length. The inner crossbeam 32 is nested in the hollow cavities at both ends of the outer crossbeam 31 and its relative position is fixed by inserting a cotter pin into a locking pin hole 33.

[0020] One end of the traction rod 5 is hinged to the traction plate 4, and the other end is provided with a universal joint mechanism for connecting with the bucket arm or body of the excavator.

[0021] The inner beams 32 of the crossarms at both ends of the crossarm 3 are connected to the support baffle 1 through connecting ear plates 34 and quick-release pins.

[0022] The horizontal supports 2 and crossarms 3 are in multiple sets, with multiple sets of horizontal supports 2 symmetrically arranged in the middle of the support baffle 1, and multiple sets of crossarms 3 symmetrically arranged at the bottom of the support baffle 1.

[0023] The support baffle 1 is provided with reinforcing ribs 6.

[0024] The support baffle 1 consists of multiple baffles connected in series by high-strength bolts to accommodate trenches of different lengths.

[0025] One embodiment of this utility model: At the starting end of the pipe trench, a pit slightly larger than the cross-section of a conventional pipe trench is excavated as the starting position for the installation of the support device. The assembled support device, including side support plates, installed horizontal supports, and crossarms, is then hoisted into the positioning pit. The universal joint end of the traction mechanism is reliably connected to the bucket arm or body of the excavator. The operator can fine-tune the extension length of the piston rod by operating the manual hydraulic cylinder integrated on the support plate, ensuring that the side support plates are always tightly and adaptively pressed against the trench wall to prevent soil collapse. The pipe is hoisted above the trench and then lowered. The rolling sleeve structure of the horizontal support provides rolling force to the lower part of the pipe, which is then finally placed on its side. On the crossarm, the crossarm bears the entire weight of the pipeline, facilitating alignment, connection, and installation of the pipeline by workers above or inside the trench. After the pipeline is installed in place, the bottom part of the pipeline is backfilled with compacted soil, and the quick-release pins at both ends of the crossarm are pulled out, allowing the crossarm to be completely removed from the trench. After the crossarm is removed, the pipeline falls smoothly onto the leveled trench base. The excavator, using a drawbar and drawplate, drags the entire support device forward synchronously and equidistantly, ensuring that the support structure remains close to the working surface. This process is repeated, with the excavator continuously digging and the device continuously providing support. The pipeline is installed in sections, forming an efficient continuous operation cycle until the entire trench project is completed.

[0026] The second embodiment of this utility model: The device is installed in the pipe trench, and the side support baffles, cross supports and cross beams are adjusted to the appropriate positions. After a section of pipe is installed, the next set of support devices is hoisted in. The support baffles 1 of the two sets of devices are fixedly connected by bolts or other means, so that the two sets of devices form a modular, non-disassembly support system.

[0027] The third embodiment of this utility model: The movement of the excavator tracks is extracted through a transmission mechanism, chain teeth or gears that mesh with them, and then the power is transmitted to the traction shaft of the support device at the same speed, in the same direction or in the opposite direction through a chain transmission system, thereby driving the traction chain or traction rod to drag the support device forward.

[0028] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An auxiliary device for outdoor pipe trench excavation, characterized in that: It includes a pair of opposing support baffles (1) for fitting the two side walls of the trench, a horizontal support (2) and a crossbeam (3) are provided between the pair of support baffles (1), a traction plate (4) is provided at the front end of the support baffles (1), and a traction rod (5) for connecting external devices is connected to the traction plate (4).

2. The outdoor trench excavation auxiliary device according to claim 1, characterized in that: The horizontal support (2) includes a fixed spindle (22) and a rolling sleeve (23). The horizontal support (2) is connected to the support baffle (1) through a manual hydraulic cylinder (21). The two ends of the fixed spindle (22) are hinged to the protruding ends of the manual hydraulic cylinder (21) through pins. The cylinder base of the manual hydraulic cylinder (21) is bolted to the support baffle (1). The rolling sleeve (23) is sleeved on the fixed spindle (22). A bearing (24) is installed between the fixed spindle (22) and the rolling sleeve (23) so that the rolling sleeve (23) can rotate relative to the fixed spindle (22).

3. The outdoor trench excavation auxiliary device according to claim 1, characterized in that: The crossbeam (3) includes an outer beam (31) and an inner beam (32). The outer beam (31) has hollow cavities at both ends along its length. The inner beam (32) is nested in the hollow cavities at both ends of the outer beam (31) and its relative position is fixed by inserting a cotter pin into a locking pin hole (33).

4. The outdoor trench excavation auxiliary device according to claim 1, characterized in that: One end of the traction rod (5) is hinged to the traction plate (4), and the other end is provided with a universal joint mechanism for connecting with the bucket arm or body of the excavator.

5. The outdoor trench excavation auxiliary device according to claim 3, characterized in that: The inner beams (32) of the crossarms (3) at both ends are connected to the support baffle (1) through connecting ear plates (34) and quick-release pins.

6. The outdoor trench excavation auxiliary device according to claim 1, characterized in that: The horizontal support (2) and the crossarm (3) are in multiple sets. Multiple sets of horizontal support (2) are symmetrically arranged in the middle of the support baffle (1), and multiple sets of crossarm (3) are symmetrically arranged at the bottom of the support baffle (1).

7. The outdoor trench excavation auxiliary device according to claim 1, characterized in that: The support baffle (1) is provided with reinforcing ribs (6).

8. The outdoor trench excavation auxiliary device according to claim 1, characterized in that: The support baffle (1) consists of multiple baffles, which are connected in series by high-strength bolts to accommodate trenches of different lengths.

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