Deep groove excavation supporting device

Abstract

The invention discloses a deep groove excavation supporting device and relates to the field of groove supporting, the deep groove excavation supporting device comprises a plurality of supporting assemblies connected in sequence, each supporting assembly comprises a supporting unit and supporting plates connected to the two sides of the supporting unit, a dovetail groove is formed in one side of each supporting plate, and a dovetail sliding block is arranged on the other side of each supporting plate; the adjacent supporting assemblies are connected through the dovetail grooves and the dovetail sliding blocks. The supporting unit comprises a central supporting column and a transverse supporting structure, one end of the transverse supporting structure is connected with the central supporting column, and the other end of the transverse supporting structure is connected with the supporting plate. The whole supporting device can be formed through connection between the supporting assemblies, so that grooves with different lengths are met, meanwhile, the connecting plates can be additionally arranged between the different supporting assemblies according to different strength needed by supporting, the supporting strength of the connecting plates is insufficient, but the connecting plates can be properly used under the condition that the geologic structure of the grooves is good, and the supporting effect is good. Therefore, the use number of supporting assemblies is reduced, and supporting operation is facilitated.

Description

Technical Field

[0001] This invention relates to the field of trench support, specifically a deep trench excavation support device. Background Technology

[0002] In municipal engineering and underground pipeline construction, post-excavation support is crucial. Traditional support techniques, such as combining support frames with retaining steel plates, have several drawbacks. Firstly, in unilateral support, the weight difference between the support frame and the retaining steel plate makes it difficult to maintain mechanical balance, leading to overturning or deformation, seriously threatening construction safety and project quality. Secondly, the installation of traditional support frames relies on large machinery such as cranes and excavators, requiring extensive manual labor, increasing labor costs, and posing safety hazards such as falls from heights and mechanical injuries.

[0003] Existing trench excavation support devices are large and heavy, making them difficult to use, move, and transport. Furthermore, these devices have shortcomings in terms of support strength adjustment, storage space requirements, and collapse warning mechanisms, failing to meet the complex and ever-changing construction needs. Therefore, those skilled in the art have proposed a deep trench excavation support device to address the problems mentioned above. Summary of the Invention

[0004] The purpose of this invention is to provide a deep trench excavation support device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A deep trench excavation support device includes several sets of support components connected in sequence. Each support component includes a support unit and support plates connected to both sides of the support unit. One side of the support plate has a dovetail groove, and the other side of the support plate has a dovetail slider. Adjacent support components are connected by the dovetail groove and the dovetail slider. The support unit includes a central support column and a transverse support structure. One end of the transverse support structure is connected to the central support column, and the other end of the transverse support structure is connected to the support plate.

[0007] As a further aspect of the present invention: a connecting plate is also connected between the adjacent support components, the connecting plate is connected to the dovetail groove of one side support component, and the connecting plate is connected to the dovetail slider of the other side support component.

[0008] As a further embodiment of the present invention: transverse connecting rods are symmetrically fixedly connected to both sides of the central pillar, and side pillars are fixedly connected to the outer side of the transverse connecting rods. The side pillars are arranged parallel to the central pillar, and the transverse support structures are all rotatably connected to the side pillars.

[0009] As a further embodiment of the present invention: a plurality of rotating seats are connected to the side support column, the number of transverse support structures is the same as the number of rotating seats, each transverse support structure includes a rotating support rod, the rotating support rod is rotatably connected to the rotating seat, and an adjusting telescopic rod is slidably connected to the inner side of the rotating support rod, and the adjusting telescopic rod is rotatably connected to the support plate.

[0010] As a further embodiment of the present invention: the side wall of the rotating support rod is threaded with a locking bolt that locks the position of the telescopic rod.

[0011] As a further embodiment of the present invention: the two sides of the adjusting telescopic rod are symmetrically rotatably connected with side support rods, and the side wall of the support plate is provided with a support slot, and the side support rods are engaged with the support slot.

[0012] As a further embodiment of the present invention: the support plate and the adjusting telescopic rod are rotatably connected by connecting bolts. When the connecting bolts are removed from the adjusting telescopic rod, the support plate is disengaged from the adjusting telescopic rod.

[0013] As a further embodiment of the present invention: a U-shaped rod is fixedly connected to the inner end of the top rotating support rod, and the two U-shaped rods are engaged with each other. An adjusting bolt is threadedly connected to the top of the central support column, and a clamping plate is rotatably connected to the top of the adjusting bolt. A limit groove is provided on the clamping plate. When the limit groove rotates and engages with the U-shaped rod, the rotating support rod rotates, and the U-shaped rod rotates from inside the limit groove to the outside.

[0014] As a further embodiment of the present invention: a contact switch is fixedly connected to the bottom of the clamping disc, and a buzzer is fixedly connected to the top of the clamping disc. When the U-shaped rod rotates and comes into contact with the contact switch, the buzzer sounds an alarm.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a simple structure and is easy to use. Through the connection between the support components, the entire support device can be formed, thereby meeting the needs of trenches of different lengths. At the same time, according to the different strengths required for support, connecting plates can be added between different support components. Although the support strength of the connecting plates is insufficient, they can be used appropriately when the geological structure of the trench is good, thereby reducing the number of support components used and facilitating support operations. The device can also be folded and stored, and will not occupy a lot of space after use. In addition, the device can provide early warning in the early stage of a collapse, effectively avoiding casualties and providing a good user experience. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a support component in a deep trench excavation support device.

[0017] Figure 2 This is a schematic diagram of the interconnection of support components in a deep trench excavation support device.

[0018] Figure 3 This is a schematic diagram of the structure of a deep trench excavation support device in which the support components and connecting plates work together.

[0019] Figure 4 This is a magnified view of part A in a deep trench excavation support device.

[0020] Figure 5 This is a partial structural diagram of the position of the side strut in a deep trench excavation support device.

[0021] Figure 6 This is a schematic diagram of the clamping disc position in a deep trench excavation support device.

[0022] Figure 7 This is a structural schematic diagram of the clamping disc position in a deep trench excavation support device from another perspective.

[0023] In the diagram: 1. Support assembly; 2. Support unit; 3. Support plate; 4. Central support column; 5. Lateral support structure; 6. Connecting plate; 7. Lateral connecting rod; 8. Side support column; 9. Rotating seat; 10. Rotating support rod; 11. Adjustable telescopic rod; 12. Locking bolt; 13. Side support rod; 14. Support slot; 15. Connecting bolt; 16. U-shaped rod; 17. Adjusting bolt; 18. Clamping disc; 19. Limiting groove; 20. Contact switch; 21. Buzzer. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0025] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0026] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0027] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] Example 1: Please refer to Figure 1 , Figure 2 and Figure 4 A deep trench excavation support device includes several sets of support components 1 connected in sequence. Each support component 1 includes a support unit 2 and support plates 3 connected to both sides of the support unit 2. One side of the support plate 3 has a dovetail groove, and the other side has a dovetail slider. Adjacent support components 1 are connected via the dovetail groove and the dovetail slider. The support unit 2 includes a central support column 4 and a transverse support structure 5. One end of the transverse support structure 5 is connected to the central support column 4, and the other end is connected to the support plate 3. (See also...) Figure 3 A connecting plate 6 is also connected between adjacent support components 1. The connecting plate 6 is connected to the dovetail groove of one side support component 1 and to the dovetail slider of the other side support component 1.

[0029] In use, the device is moved to the trench requiring support. First, the support unit 2 is connected to the support plate 3. Then, the device is placed in the trench. By adjusting the position of the support plate 3, it is brought into contact with the trench sidewall, thus providing support. After placing one support device, the support components 1 are connected sequentially via dovetail grooves and dovetail blocks to form a unified support structure, providing sufficient strength for trench support. A gap is left between the dovetail groove and the dovetail block to facilitate the connection of different support components 1.

[0030] A transverse connecting rod 7 is symmetrically fixedly connected to both sides of the central support column 4. Side supports 8 are fixedly connected to the outer sides of the transverse connecting rods 7. The side supports 8 are arranged parallel to the central support column 4. All transverse support structures 5 are rotatably connected to the side supports 8. Several rotating seats 9 are connected to the side supports 8. The number of transverse support structures 5 is the same as the number of rotating seats 9. Each transverse support structure 5 includes a rotating support rod 10, which is rotatably connected to the rotating seat 9. An adjusting telescopic rod 11 is slidably connected to the inner side of the rotating support rod 10. The adjusting telescopic rod 11 is rotatably connected to the support plate 3. A locking bolt 12 is threadedly connected to the side wall of the rotating support rod 10 to lock the position of the adjusting telescopic rod 11.

[0031] The central support column 4 and the side support columns 8 have pointed bottoms, making them easy to insert into the bottom of the trench. Inserting all three simultaneously can essentially fix the main structure, preventing tilting and rotation. Rotating the transverse support structure 5 ensures it is horizontal; only in this state can the connected support plate 3 effectively support the trench sidewalls. Adjusting the telescopic rod 11 and the rotating support rod 10 allows for sliding cooperation to accommodate trenches of different widths. Pulling the telescopic rod 11 outwards ensures the support plates 3 on both sides are against the trench. Simultaneously tightening the locking bolts 12 locks the position. To prevent the rotating support rod 10 from tilting upwards at its outer end, a limiting structure can be installed on the rotating seat 9, ensuring the maximum rotation state of the rotating support rod 10 is horizontal. In this state, as the central support column 4 is fully embedded in the soil, the bottom of the support plate 3 will also contact the ground. At this point, the support plate 3 cannot shift to the sides or rotate upwards.

[0032] Example 2: This example discloses the following technical content based on the previous example: Please refer to... Figure 5 The telescopic rod 11 is symmetrically and rotatably connected to side support rods 13 on both sides. The side wall of the support plate 3 is provided with a support slot 14, and the side support rods 13 are engaged with the support slot 14. The support plate 3 and the telescopic rod 11 are rotatably connected by connecting bolts 15. When the connecting bolts 15 are removed from the telescopic rod 11, the support plate 3 is disengaged from the telescopic rod 11.

[0033] The side support rod 13 can further enhance the support strength of the support plate 3. After the position of the support plate 3 is adjusted, the side support rod 13 is rotated and adjusted to the position of the support slot 14. During the rotation of the side support rod 13, its end is locked into the support slot 14.

[0034] Please see Figure 6 and Figure 7 The top rotating support rod 10 has a U-shaped rod 16 fixedly connected to its inner end. The two U-shaped rods 16 are engaged with each other. The top of the central support rod 4 is threaded with an adjusting bolt 17. The top of the adjusting bolt 17 is rotatably connected with a clamping plate 18. A limit groove 19 is provided on the clamping plate 18. When the limit groove 19 rotates and engages with the U-shaped rod 16, the rotating support rod 10 rotates, and the U-shaped rod 16 rotates from inside the limit groove 19 to the outside.

[0035] A contact switch 20 is fixedly connected to the bottom of the clamping disc 18, and a buzzer 21 is fixedly connected to the top of the clamping disc 18. When the U-shaped rod 16 rotates and comes into contact with the contact switch 20, the buzzer 21 sounds an alarm.

[0036] After the above adjustments, the device has basically achieved its support function. At this time, rotate the adjusting bolt 17 to move it downwards, causing the clamping plate 18 to approach the rotating support rod 10. This locks the rotating support rod 10, preventing it from rotating downwards, and also brings the contact switch 20 close to the rotating support rod 10. When the support device exceeds its limit, external force presses on the rotating support rod 10, causing it to deflect and press against the contact switch 20. The buzzer 21 will then sound an alarm, warning that the support device has reached its limit and that personnel should evacuate quickly to avoid injury or death.

[0037] After the support device has completed its support, it can be disassembled. First, rotate the clamping plate 18 so that the limiting groove 19 on the clamping plate 18 engages with the U-shaped rod 16. At this time, the rotating support rod 10 can be retracted, and the support plate 3 can be removed by loosening the connecting bolt 15, thereby realizing the disassembly of the entire device.

[0038] Working Principle: During use, the device is moved to the trench requiring support. First, the support unit 2 is connected to the support plate 3. Then, the device is placed in the trench. By adjusting the position of the support plate 3, it is brought into contact with the trench sidewall, thus providing support. After placing one support device, the dovetail groove and dovetail block are connected sequentially to form a unified support assembly 1, providing sufficient strength for trench support. A gap is left between the dovetail groove and the dovetail block to facilitate the connection of different support assemblies 1.

[0039] The central support column 4 and the side support columns 8 have pointed bottoms, making them easy to insert into the bottom of the trench. Inserting all three simultaneously can essentially fix the main structure, preventing tilting and rotation. Rotating the transverse support structure 5 ensures it is horizontal; only in this state can the connected support plate 3 effectively support the trench sidewalls. Adjusting the telescopic rod 11 and the rotating support rod 10 allows for sliding cooperation to accommodate trenches of different widths. Pulling the telescopic rod 11 outwards ensures the support plates 3 on both sides are against the trench. Simultaneously tightening the locking bolts 12 locks the position. To prevent the rotating support rod 10 from tilting upwards at its outer end, a limiting structure can be installed on the rotating seat 9, ensuring the maximum rotation state of the rotating support rod 10 is horizontal. In this state, as the central support column 4 is fully embedded in the soil, the bottom of the support plate 3 will also contact the ground. At this point, the support plate 3 cannot shift to the sides or rotate upwards.

[0040] The side support rod 13 can further enhance the support strength of the support plate 3. After the position of the support plate 3 is adjusted, the side support rod 13 is rotated and adjusted to the position of the support slot 14. During the rotation of the side support rod 13, its end is locked into the support slot 14.

[0041] After the above adjustments, the device has basically achieved its support function. At this time, rotate the adjusting bolt 17 to move it downwards, causing the clamping plate 18 to approach the rotating support rod 10. This locks the rotating support rod 10, preventing it from rotating downwards, and also brings the contact switch 20 close to the rotating support rod 10. When the support device exceeds its limit, external force presses on the rotating support rod 10, causing it to deflect and press against the contact switch 20. The buzzer 21 will then sound an alarm, warning that the support device has reached its limit and that personnel should evacuate quickly to avoid injury or death.

[0042] After the support device has completed its support, it can be disassembled. First, rotate the clamping plate 18 so that the limiting groove 19 on the clamping plate 18 engages with the U-shaped rod 16. At this time, the rotating support rod 10 can be retracted, and the support plate 3 can be removed by loosening the connecting bolt 15, thereby realizing the disassembly of the entire device.

[0043] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0044] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A deep trench excavation support device, comprising a plurality of sets of support components (1) connected in sequence, characterized in that, The support assembly (1) includes a support unit (2) and a support plate (3) connected to both sides of the support unit (2). A dovetail groove is provided on one side of the support plate (3), and a dovetail slider is provided on the other side of the support plate (3). Adjacent support assemblies (1) are connected by the dovetail groove and the dovetail slider. The support unit (2) includes a central support column (4) and a transverse support structure (5). One end of the transverse support structure (5) is connected to the central support column (4), and the other end of the transverse support structure (5) is connected to the support plate (3).

2. The deep trench excavation support device according to claim 1, characterized in that, A connecting plate (6) is also connected between the adjacent support components (1). The connecting plate (6) is connected to the dovetail groove of one side support component (1) and to the dovetail slider of the other side support component (1).

3. The deep trench excavation support device according to claim 5, characterized in that, The central support column (4) is symmetrically and fixedly connected to transverse connecting rods (7) on both sides. The transverse connecting rods (7) are fixedly connected to side support columns (8) on the outside. The side support columns (8) are arranged parallel to the central support column (4). The transverse support structures (5) are all rotatably connected to the side support columns (8).

4. The deep trench excavation support device according to claim 3, characterized in that, The side support column (8) is connected to several rotating seats (9). The number of transverse support structures (5) is the same as that of rotating seats (9). Each transverse support structure (5) includes a rotating support rod (10). The rotating support rod (10) is rotatably connected to the rotating seat (9). An adjusting telescopic rod (11) is slidably connected to the inner side of the rotating support rod (10). The adjusting telescopic rod (11) is rotatably connected to the support plate (3).

5. The deep trench excavation support device according to claim 4, characterized in that, The rotating support rod (10) has a locking bolt (12) threadedly connected to its side wall to lock the position of the telescopic rod (11).

6. The deep trench excavation support device according to claim 4, characterized in that, The adjustable telescopic rod (11) is symmetrically rotatably connected to the side support rods (13) on both sides. The side wall of the support plate (3) is provided with a support slot (14), and the side support rod (13) is engaged with the support slot (14).

7. The deep trench excavation support device according to claim 4, characterized in that, The support plate (3) and the adjusting telescopic rod (11) are rotatably connected by a connecting bolt (15). When the connecting bolt (15) is removed from the adjusting telescopic rod (11), the support plate (3) is separated from the adjusting telescopic rod (11).

8. The deep trench excavation support device according to claim 4, characterized in that, The inner end of the top rotating support rod (10) is fixedly connected to a U-shaped rod (16), and the two U-shaped rods (16) are engaged with each other. The top of the central support rod (4) is threaded with an adjusting bolt (17), and the top of the adjusting bolt (17) is rotatably connected to a clamping plate (18). A limit groove (19) is opened on the clamping plate (18). When the limit groove (19) rotates and engages with the U-shaped rod (16), the rotating support rod (10) rotates, and the U-shaped rod (16) rotates from inside the limit groove (19) to the outside.

9. The deep trench excavation support device according to claim 8, characterized in that, The bottom of the clamping disc (18) is fixedly connected to a contact switch (20), and the top of the clamping disc (18) is fixedly connected to a buzzer (21). When the U-shaped rod (16) rotates and comes into contact with the contact switch (20), the buzzer (21) sounds an alarm.

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