Earth and stone excavation breast board

Abstract

The utility model relates to an earth and stone excavation breast board, which belongs to the field of pipe network transformation, and comprises a support plate, a support pipe, brackets and a positioning piece, the support plate is abutted against the side wall of a pipe ditch, the two brackets are respectively inserted at the two ends of the support pipe in a sliding manner, and the positioning piece is arranged on the brackets and is used for positioning the brackets on the support pipe. The supporting device has the effects that the requirement for supporting pipe ditches with different excavated sizes is met, and the problem that time and labor are wasted when the pipe ditches with different excavated sizes are supported is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of pipe network reconstruction, in particular to a soil and rock excavation retaining board. BACKGROUND

[0002] When old city reconstruction is carried out, the pipe network thereof usually needs to be reconstructed, and the original pipeline needs to be excavated to maintain or replace the original pipe network. When construction is carried out in the rainy season, especially when the construction area is backfill, the sides of the excavated trench are basically wet soil, so the excavated trench needs to be supported to ensure construction safety and quality.

[0003] At present, the commonly used trench support method usually adopts a formwork to be attached to the side wall of the trench, and then a wooden square and a steel pipe are used to support the formwork to achieve the support effect of the trench. However, different trenches have different excavation sizes, although the formwork can be attached to the side wall of the trench with different excavation sizes, the wooden square and the steel pipe are of a certain length, and it is difficult to abut the formwork attached to the side wall of the trench with different excavation sizes, resulting in the need to find wooden squares and steel pipes of different lengths to support different trenches, and there is a problem of time-consuming and laborious support of trenches with different excavation sizes. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the problem of time-consuming and laborious support of trenches with different excavation sizes, the present application provides a soil and rock excavation retaining board.

[0005] The soil and rock excavation retaining board provided by the present application adopts the following technical solution:

[0006] A soil and rock excavation retaining board comprises a support plate, a support pipe, a brace and a positioning piece. The support plate is abutted on the side wall of the trench. The brace is slidably inserted into the support pipe at both ends. The positioning piece is arranged on the brace and is used to position the brace on the support pipe.

[0007] By adopting the above technical solution, the construction personnel attaches the support plate to the side wall of the excavated trench, then places the support pipe in the trench, adjusts the braces at both ends of the support pipe so that the braces at both ends of the support pipe are abutted on the opposite two support plates in the trench, and then positions the braces on the support pipe through the positioning piece. The support plate can be abutted and supported on the side wall of the trench. By adjusting the length of the brace extending out of the support pipe, the demand for supporting trenches with different excavation sizes is met, and the problem of time-consuming and laborious support of trenches with different excavation sizes is improved.

[0008] Optionally, the positioning piece comprises a positioning disc, the positioning disc is threadedly sleeved on the brace, and the positioning disc is abutted on the support pipe.

[0009] By adopting the technical scheme, the construction personnel rotates the positioning disc to adjust the position of the positioning disc on the support, so that the support is moved to abut against the support pipe, and the length of the support extending out of the support pipe is conveniently adjusted.

[0010] Optionally, the end of the support away from the support pipe is hingedly provided with a backboard.

[0011] By adopting the technical scheme, when the support abuts against the support plate, the backboard abuts against the support plate by rotating with the inclination angle of the support plate, so that the backboard can be attached to the support plate with different inclination angles, the support surface acting on the support plate is improved, and the stability of supporting the support plate is improved.

[0012] Optionally, a plurality of ribs are arranged on the support plate in the height direction of the support plate.

[0013] By adopting the technical scheme, the ribs improve the structural strength of the support plate, and the ribs are arranged in the height direction of the support plate, so that when the backboard supports the support plate, the side wall of the backboard can abut against the ribs to block the sliding of the backboard on the support plate.

[0014] Optionally, the support plate comprises a plurality of steel plates and a connecting assembly, the plurality of steel plates abut against each other, and the connecting assembly is arranged on the steel plate and is used for positioning adjacent steel plates.

[0015] By adopting the technical scheme, the construction personnel splices different numbers of steel plates, and positions adjacent steel plates through the connecting assembly, so that different sizes of support plates can be formed, and different sizes of trench sidewalls can be adapted.

[0016] Optionally, the connecting assembly comprises a connecting ring and a plug-in plate, the connecting ring is arranged on the steel plate, and the plug-in plate is arranged on the adjacent steel plate and is used for being plugged into the connecting ring when the adjacent steel plates are spliced.

[0017] By adopting the technical scheme, the construction personnel moves the steel plate, so that the plug-in plate on the steel plate is plugged into the connecting ring on the adjacent steel plate, and the adjacent steel plates can be conveniently connected through the plug-in plate and the connecting ring.

[0018] Optionally, a positioning assembly for positioning the plug-in plate on the connecting ring is arranged on the plug-in plate, the positioning assembly comprises a positioning block and a locking piece, the positioning block is arranged at one end of the plug-in plate penetrating through the connecting ring, and the locking piece is arranged on the positioning block and is used for positioning the positioning block on the plug-in plate.

[0019] By adopting the technical scheme, after the construction personnel inserts the plug plate into the connecting ring, the positioning block is positioned to one end of the plug plate passing through the connecting ring through the locking member, the positioning block can lock the plug plate in the connecting ring, the stability of the connection between the plug plate and the connecting ring is improved, and then the stability of the connection between the adjacent steel plates is improved.

[0020] Optionally, the positioning member comprises a bolt and a nut, the bolt is slidably arranged on the positioning block and passes through the plug plate, and the nut is threadedly arranged on the bolt.

[0021] By adopting the technical scheme, the construction personnel passes the bolt through the positioning block and the plug plate, and then screws the nut on the bolt, so that the positioning block is positioned on the plug plate.

[0022] To sum up, the present application has at least one of the following beneficial technical effects:

[0023] 1. By adjusting the length of the support pipe protruding from the support, the support of the pipe trench with different excavation sizes is met, and the problem of time-consuming and laborious support of the pipe trench with different excavation sizes is improved;

[0024] 2. The back plate can be attached to the support plate with different inclination angles, the support surface acting on the support plate is improved, and then the stability of supporting the support plate is improved;

[0025] 3. The construction personnel splices different numbers of steel plates, and positions the adjacent steel plates through the connecting assembly, so as to form a support plate with different sizes, and then adapt to the sidewall of the pipe trench with different excavation sizes. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of the earthwork excavation retaining plate of the embodiment of the present application.

[0027] Figure 2 is a structural schematic view of the support plate of the embodiment of the present application.

[0028] Reference signs: 1, support plate; 11, steel plate; 12, connecting assembly; 121, connecting ring; 122, plug plate; 2, support pipe; 3, support; 4, positioning member; 41, positioning disc; 5, back plate; 6, rib; 7, positioning assembly; 71, positioning block; 72, locking member; 721, bolt; 722, nut. DETAILED DESCRIPTION

[0029] The following will be described in detail in combination with the accompanying drawings Figures 1-2 The present application will be further described in detail.

[0030] The embodiment of the present application discloses an earthwork excavation retaining plate.

[0031] Reference Figure 1 ,Figure 2 The earthwork excavation retaining board comprises a support plate 1, a support pipe 2, a support 3 and a positioning piece 4, the support plate 1 abuts one on each side wall of each pipe trench, the support plate 1 comprises a plurality of steel plates 11 and a connecting assembly 12, the plurality of steel plates 11 are transversely spliced in a vertical direction, the connecting assembly 12 is installed on the steel plate 11, the connecting assembly 12 is used for positioning the adjacent steel plates 11, the connecting assembly 12 comprises a connecting ring 121 and a plug plate 122, the connecting ring 121 is installed on one side of the steel plate 11, the plug plate 122 is installed on the other side of the steel plate 11, and the connecting ring 121 is used for inserting the plug plate 122 on the adjacent steel plate 11.

[0032] The construction personnel splice the plurality of steel plates 11 according to the size of the pipe trench, so that the plug plate 122 on the adjacent steel plate 11 is inserted into the connecting ring 121, the adjacent steel plates 11 can be conveniently and quickly connected, and then the support plate 1 adapted to the area of the side wall of the pipe trench is formed, and the support plate 1 is abutted to the side wall of the pipe trench, so that the side wall of the pipe trench can be supported by the support plate 1, and the construction personnel can splice and combine different numbers of steel plates 11, so that the support plate 1 is applicable to the side wall of the pipe trench of different sizes, the applicability of the support plate 1 under different use requirements is improved, and the support plate 1 can be disassembled into a plurality of steel plates 11 for transportation, and the convenience of transportation is improved.

[0033] Referring to Figure 1 , Figure 2 A plurality of ribs 6 are horizontally installed on the steel plate 11 in a height direction of the steel plate 11, in this embodiment, the ribs 6 are steel bars, and the steel bars are welded on the steel plate 11. The steel bars improve the bearing capacity and structural strength of the steel plate 11, and then improve the support effect of the steel plate 11 on the side wall of the pipe trench.

[0034] Referring to Figure 1 , Figure 2 The plug plate 122 is provided with a positioning assembly 7, the positioning assembly 7 is used for positioning the plug plate 122 in the connecting ring 121, the positioning assembly 7 comprises a positioning block 71 and a locking piece 72, the positioning block 71 abuts one end of the plug plate 122 passing through the connecting ring 121, the locking piece 72 is installed on the positioning block 71, the locking piece 72 is used for positioning the positioning block 71 on the plug plate 122, the locking piece 72 comprises a bolt 721 and a nut 722, the positioning block 71 and the plug plate 122 are both provided with a hole for the bolt 721 to pass through, the bolt 721 passes through the hole in the positioning block 71 and the hole in the plug plate 122, and the nut 722 is threadedly connected on the bolt 721.

[0035] After the construction personnel moves the steel plate 11 to insert the plug block on the steel plate 11 into the connecting ring 121 on another steel plate 11, the positioning block 71 is moved so that the positioning block 71 abuts to one end of the plug block passing through the connecting ring 121, then the bolt 721 is passed through the opening on the positioning block 71, and the bolt 721 is passed through the opening on the plug plate 122, and then the nut 722 is screwed onto the bolt 721, so that the nut 722 is tightly abutted to the plug plate 122, and the positioning block 71 can limit the plug plate 122 on the connecting ring 121, improve the stability of the plug plate 122 in the connecting ring 121, and further improve the stability of the connection of the adjacent steel plates 11.

[0036] With reference to Figure 1 , one support 3 is slidably inserted at each end of the support pipe 2, and a positioning member 4 is installed on the support 3, the positioning member 4 is used to position the support 3 on the support pipe 2, and the positioning member 4 includes a positioning disc 41, and the outer wall of the support 3 is provided with a thread, and the positioning disc 41 is threadedly sleeved on the support 3.

[0037] After the construction personnel abuts the support plate 1 to the side wall of the trench, inserts the support 3 into the support pipe 2, moves the support pipe 2 between the two support plates 1 on both sides of the trench, pulls out the supports 3 at both ends of the support pipe 2, and abuts the supports 3 at both ends of the support pipe 2 to the two support plates 1 on both sides of the trench, and then rotates the positioning disc 41 to abut the positioning disc 41 to the support pipe 2, and now the support 3 slides towards the support pipe 2, so as to support the support plate 1. By controlling the length of the support 3 extending out of the support pipe 2, the support plate 1 on both sides of the trench with different excavation widths can be supported, meeting the demand of supporting trenches with different excavation sizes.

[0038] With reference to Figure 1 , the end of the support 3 away from the support pipe 2 is hingedly installed with a back plate 5, when the support 3 abuts to the support plate 1, the back plate 5 can be rotated according to the inclination of the steel plate 11 on the side wall of the trench, and then abut to the steel plate 11, so that the back plate 5 can abut to the support plate 1 with different inclination angles, improve the support surface acting on the support plate 1, and the back plate 5 can also be limited by abutting to the rib 6 on the steel plate 11, limiting the movement of the back plate 5 away from the bottom wall of the trench, improving the stability of the back plate 5 abutting to the steel plate 11, and improving the stability of supporting the support plate 1.

[0039] The implementation principle of the soil and rock excavation retaining plate according to an embodiment of the application is as follows: a construction worker splices a corresponding number of steel plates 11 according to the depth and inclination of the side wall of the trench to be excavated, so that the insertion plate 122 on the steel plate 11 is inserted into the connecting ring 121 on the adjacent steel plate 11, and then the insertion plate 122 is locked on the connecting ring 121 by the positioning assembly 7, a plurality of steel plates 11 are spliced, the support plate 1 formed by splicing is attached to the side wall of the trench, the support pipe 2 is moved between the two support plates 1 on the two side walls of the trench, so that the supports 3 at the two ends of the support pipe 2 drive the abutting plates 5 to abut against the support plates 1 on the two sides of the trench, and the positioning sleeve is tightened against the support pipe 2, so that the two support plates 1 on the two sides can be supported, the support plate 1 supports the side wall of the trench, and by adjusting the length of the support 3 extending out of the support pipe 2, the support pipe 2 can be applied to the support requirements of trenches of different sizes, and the problem of time-consuming and laborious support of trenches of different sizes is improved.

[0040] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A retaining wall for earthwork excavation, characterized in that: It includes a support plate (1), a support pipe (2), a support (3) and a positioning element (4). The support plate (1) abuts against the side wall of the trench. The support (3) is slidably inserted at both ends of the support pipe (2). The positioning element (4) is set on the support (3) and is used to position the support (3) on the support pipe (2).

2. The retaining wall for earthwork excavation according to claim 1, characterized in that: The positioning component (4) includes a positioning disc (41), which is threaded onto the support (3) and abuts against the support tube (2).

3. A retaining wall for earthwork excavation according to claim 1, characterized in that: The support (3) is hinged to a backing plate (5) at the end away from the support tube (2).

4. A retaining wall for earthwork excavation according to claim 1, characterized in that: The support plate (1) is provided with multiple ribs (6) spaced apart along the height direction of the support plate (1).

5. A retaining wall for earthwork excavation according to claim 4, characterized in that: The support plate (1) includes multiple steel plates (11) and a connecting component (12). The multiple steel plates (11) abut against each other, and the connecting component (12) is disposed on the steel plates (11) and is used to position adjacent steel plates (11).

6. A retaining wall for earthwork excavation according to claim 5, characterized in that: The connecting assembly (12) includes a connecting ring (121) and a insert plate (122). The connecting ring (121) is disposed on the steel plate (11), and the insert plate (122) is disposed on the adjacent steel plate (11) and is used to be inserted into the connecting ring (121) when the adjacent steel plates (11) are spliced.

7. A retaining wall for earthwork excavation according to claim 6, characterized in that: The insert plate (122) is provided with a positioning component (7) for positioning the insert plate (122) on the connecting ring (121). The positioning component (7) includes a positioning block (71) and a locking member (72). The positioning block (71) is abutted against one end of the insert plate (122) that passes through the connecting ring (121). The locking member (72) is provided on the positioning block (71) and is used to position the positioning block (71) on the insert plate (122).

8. A retaining wall for earthwork excavation according to claim 7, characterized in that: The positioning element (4) includes a bolt (721) and a nut (722), the bolt (721) being slidably mounted on the positioning block (71) and passing through the insert plate (122), and the nut (722) being threaded onto the bolt (721).

Images