Movable baffle for foundation pit supporting

Abstract

The utility model discloses a movable baffle plate for foundation support, relates to the technical field of foundation support engineering, and aims to solve the problems that a movable baffle plate needs to be used for protection in the conventional common foundation pit support engineering to prevent soil and stones from falling off due to looseness or damage, but the movable baffle plate is generally arranged parallel to the ground, so that the movable baffle plate cannot be used for protecting the foundation pit support engineering. The device comprises a base, a baffle plate is arranged on the base, and the baffle plate cannot be adjusted according to field conditions, so that the protection safety is insufficient. The bottom supporting table is arranged on the periphery of the bottom of the base, a rotating shaft is arranged on the outer side of the bottom supporting table, wheels are arranged on the outer side of the rotating shaft and rotate on the outer side of the bottom supporting table through the rotating shaft, fixing frames are symmetrically arranged on the left side and the right side of the upper end of the base, and the number of the fixing frames on each side is two.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support engineering, in particular to a movable baffle plate used for foundation pit support. Background Art

[0002] The foundation pit support project is a temporary project, and the designed safety reserve can be relatively small, but it is related to the region. The geological conditions in different regions have different characteristics. The foundation pit support project is also a subject that intersects geotechnical engineering, structural engineering and construction technology. It is a system engineering with the interaction of multiple complex factors. It is a comprehensive technical subject that has yet to be developed in theory. The foundation pit support is to ensure the safety of the surrounding environment of the foundation pit and the stability of the soil by adopting support, reinforcement and protection measures for the side walls of the foundation pit and the surrounding environment, while ensuring the construction of the underground structure of the building and meeting the requirements for sufficient space for basement construction.

[0003] Usually, movable baffles are needed in foundation pit support projects for protection to prevent soil and rocks from falling due to loosening or damage. However, the baffles are usually set parallel to the ground and cannot be adjusted according to the on-site conditions, resulting in insufficient protection safety. Therefore, we proposed a movable baffle for foundation pit support to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a movable baffle for foundation pit support, so as to solve the problem proposed in the above background technology that a movable baffle is usually needed for protection in foundation pit support projects to prevent the falling of soil and rocks caused by loosening or damage, but the baffle is usually set parallel to the ground and cannot be adjusted according to the on-site conditions, resulting in insufficient safety of protection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a movable baffle for foundation pit support, comprising a base;

[0006] Also includes:

[0007] The bottom support platform is arranged around the bottom of the base, a rotating shaft is arranged on the outside of the bottom support platform, a wheel is arranged on the outside of the rotating shaft, and the wheel rotates on the outside of the bottom support platform through the rotating shaft, a fixed frame is symmetrically arranged on the left and right sides of the upper end of the base, and two fixed frames are arranged on each side, a connecting block is arranged on the upper end of the fixed frame, and the connecting block swings left and right at the upper end of the fixed frame, a baffle body is arranged on the upper end of the connecting blocks on both sides, two baffle bodies are symmetrically arranged, and the baffle body swings outward at the upper end of the fixed frame through the connection with the connecting block, a slide groove is symmetrically arranged in the middle of the left and right sides of the upper end of the base, and a The movable frame is provided with a telescopic frame on the upper end of the movable frame, and the movable frame is telescopically moved by hydraulic transmission, and a connecting shaft is symmetrically provided on the upper outer side of the telescopic frame, and a through groove is symmetrically provided on the outer side of the baffle body, and connecting holes are symmetrically provided on both sides of the inner wall of the through groove, and the connecting holes are movably engaged with the connecting shaft, and when the telescopic frame is lifted and moved, the baffle body is driven to swing outward through the connection between the connecting holes and the connecting shaft, and an electric push rod is symmetrically provided on the inside of the base, and a telescopic rod is provided on the outside of the electric push rod, and the telescopic rod extends to the inside of the slide groove and is connected with the inner side of the movable frame, and the electric push rod controls the telescopic rod to move telescopically and drives the movable frame to slide inside the slide groove.

[0008] Preferably, the electric push rod is electrically connected to the hydraulic transmission inside the mobile frame, and the electric push rod and the hydraulic transmission inside the mobile frame are arranged in linkage.

[0009] Preferably, a support frame is provided in the middle of the upper end of the base, a support plate is provided at the upper end of the support frame, and when the baffle bodies are swung to be parallel, the inner bottoms of the two baffle bodies are both in contact with the surface of the support plate.

[0010] Preferably, a telescopic bottom rod is provided at the bottom of the bottom support platform, and the support platform enables the telescopic bottom rod to be raised and lowered by hydraulic transmission, and a bottom pad is provided at the bottom of the telescopic bottom rod.

[0011] Preferably, a snap-fit ​​groove is provided on the outer side of the baffle body, and the snap-fit ​​groove is located on both sides of the through groove, an extension plate is provided inside the snap-fit ​​groove, and the extension plate moves telescopically inside the snap-fit ​​groove, and an outer plate is provided at the front end of the extension plate.

[0012] Preferably, side grooves are symmetrically arranged on both sides of the slide groove, and clamping blocks are arranged on the bottom of both sides of the movable frame, and the clamping blocks are slidably engaged with the side grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting a driving structure at the bottom of the baffle body to control the baffle to expand to both sides, the swing angle can be adjusted according to the on-site situation, so that the baffle body can be adjusted to a suitable angle according to different situations, thereby improving the safety of protection and improving the flexibility of the baffle. A retractable and movable extension plate is set on the outside of the baffle, and the extension plate can be pulled out from the inside of the baffle to increase the protection range of the baffle, thereby further improving the protection safety.

[0015] 2. A support structure is provided in the middle of the base to prevent the baffle from swinging inward. When the baffle is parallel, the support structure can further improve the stability of the baffle. The baffle is extended outward at an inclined angle. When stones fall onto the surface of the baffle, they will slide to both sides to prevent the accumulation of stones and soil on the surface of the baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is an exploded view of the overall structure of the utility model;

[0018] Figure 3 It is the overall structural plan of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the mobile frame of the utility model;

[0020] In the figure: 1. base; 2. wheels; 3. support frame; 4. support plate; 5. fixed frame; 6. connecting block; 7. slide groove; 8. side groove; 9. movable frame; 10. telescopic frame; 11. connecting shaft; 12. through groove; 13. connecting hole; 14. baffle body; 15. telescopic rod; 16. electric push rod; 17. clamping block; 18. bottom pad; 19. telescopic bottom rod; 20. rotating shaft; 21. extension plate; 22. outer plate; 23. engaging groove; 24. bottom support platform. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 , the utility model provides an embodiment: a movable baffle for foundation pit support, comprising a base 1;

[0023] Also includes:

[0024] A bottom support platform 24 is arranged around the bottom of the base 1, a rotating shaft 20 is arranged on the outer side of the bottom support platform 24, a wheel 2 is arranged on the outer side of the rotating shaft 20, and the wheel 2 rotates on the outer side of the bottom support platform 24 through the rotating shaft 20, a fixed frame 5 is symmetrically arranged on the left and right sides of the upper end of the base 1, and two fixed frames 5 are arranged on each side, a connecting block 6 is arranged on the upper end of the fixed frame 5, and the connecting block 6 swings left and right at the upper end of the fixed frame 5, a baffle body 14 is arranged on the upper end of the connecting blocks 6 on both sides, two baffle bodies 14 are symmetrically arranged, and the baffle body 14 swings outward at the upper end of the fixed frame 5 through the connection with the connecting block 6, a slide groove 7 is symmetrically arranged in the middle of the left and right sides of the upper end of the base 1, and a movable frame 9 is movably arranged in the middle of the slide groove 7, and the movable frame A telescopic frame 10 is provided at the upper end of 9, and the mobile frame 9 is telescopically moved by hydraulic transmission. A connecting shaft 11 is symmetrically provided on the upper outer side of the telescopic frame 10, and a through groove 12 is symmetrically provided on the outer side of the baffle body 14. Connecting holes 13 are symmetrically provided on both sides of the inner wall of the through groove 12. The connecting holes 13 are movably engaged with the connecting shaft 11, and the baffle body 14 is driven to swing outward through the connection between the connecting holes 13 and the connecting shaft 11 when the telescopic frame 10 is lifted and moved. An electric push rod 16 is symmetrically provided inside the base 1, and a telescopic rod 15 is provided on the outer side of the electric push rod 16. The telescopic rod 15 extends to the inside of the slide groove 7 and is connected to the inner side of the mobile frame 9. The electric push rod 16 controls the telescopic rod 15 to move telescopically and drives the mobile frame 9 to slide inside the slide groove 7.

[0025] A driving structure is set at the bottom of the baffle body 14 to control the baffle to expand to both sides, and the swing angle can be adjusted according to the on-site conditions, so that the baffle body 14 can be adjusted to a suitable angle according to different situations, thereby improving the safety of protection and improving the flexibility of the baffle.

[0026] See also Figure 2 The electric push rod 16 is electrically connected to the hydraulic transmission inside the moving frame 9, and the electric push rod 16 and the hydraulic transmission inside the moving frame 9 are linked. The electric push rod 16 and the moving frame 9 are linked to make the baffle swing outward.

[0027] See also Figure 2 A support frame 3 is provided in the middle of the upper end of the base 1, and a support plate 4 is provided at the upper end of the support frame 3. When the baffle bodies 14 swing to parallel, the inner bottoms of the two baffle bodies 14 are both in contact with the surface of the support plate 4, which is used to prevent the baffles from swinging inward. At the same time, when the baffles are parallel, the support structure can further improve the stability of the baffles.

[0028] See also Figure 3A telescopic bottom rod 19 is provided at the bottom of the bottom support platform 24, and the support platform 24 makes the telescopic bottom rod 19 move up and down through hydraulic transmission. A bottom pad 18 is provided at the bottom of the telescopic bottom rod 19. When the baffle needs to be stopped, the telescopic bottom rod 19 can be pushed down to make the wheel 2 leave the ground.

[0029] See also Figure 1 A snap-fitting groove 23 is provided on the outer side of the baffle body 14, and the snap-fitting groove 23 is located on both sides of the through groove 12. An extension plate 21 is provided inside the snap-fitting groove 23, and the extension plate 21 is telescopically movable inside the snap-fitting groove 23. An outer plate 22 is provided at the front end of the extension plate 21, and the extension plate 21 can increase the protection area of ​​the baffle.

[0030] See also Figure 1 and Figure 4 Side grooves 8 are symmetrically arranged on both sides of the slide groove 7, and blocks 17 are arranged on the bottom of both sides of the movable frame 9, and the blocks 17 are slidably engaged with the side grooves 8 to assist the movable frame 9 to slide inside the slide groove 7.

[0031] Working principle: When the baffle body 14 needs to be adjusted, the telescopic rod 15 is driven inward by the electric push rod 16, and at the same time, the mobile frame 9 is linked to move the telescopic frame 10 downward. The mobile frame 10 is connected to the baffle body 14, so that the baffle body 14 is unfolded outward, thereby adjusting the swing angle of the baffle body 14 according to the on-site conditions, so that the baffle body 14 can be adjusted to a suitable angle according to different conditions.

[0032] It is obvious 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 present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A movable baffle for foundation pit support, comprising a base (1); Features: Also includes: A bottom support platform (24) is arranged around the bottom of the base (1); a rotating shaft (20) is arranged on the outside of the bottom support platform (24); a wheel (2) is arranged on the outside of the rotating shaft (20); and the wheel (2) rotates on the outside of the bottom support platform (24) through the rotating shaft (20); fixed frames (5) are symmetrically arranged on the left and right sides of the upper end of the base (1), and two fixed frames (5) are arranged on each side; and a connecting block ( 6), and the connecting block (6) swings left and right at the upper end of the fixed frame (5), the upper ends of the connecting blocks (6) on both sides are provided with baffle bodies (14), two baffle bodies (14) are symmetrically provided, and the baffle bodies (14) swing outward at the upper end of the fixed frame (5) through connection with the connecting blocks (6), the middle parts of the left and right sides of the upper end of the base (1) are symmetrically provided with slide grooves (7), and the middle part of the slide grooves (7) is movably provided with a movable frame (9), and the movable frame (9) is provided with a movable frame (9) in a movable manner. A telescopic frame (10) is arranged at the upper end of the movable frame (9), and the movable frame (9) enables the telescopic frame (10) to telescope and move through hydraulic transmission, a connecting shaft (11) is symmetrically arranged on the upper outer side of the telescopic frame (10), a through groove (12) is symmetrically arranged on the outer side of the baffle body (14), and connecting holes (13) are symmetrically arranged on both sides of the inner wall of the through groove (12), and the connecting holes (13) are movably engaged with the connecting shaft (11), and when the telescopic frame (10) is lifted or lowered, The baffle body (14) is driven to swing outward through the connection between the connection hole (13) and the connection shaft (11); an electric push rod (16) is symmetrically arranged inside the base (1); a telescopic rod (15) is arranged outside the electric push rod (16); the telescopic rod (15) extends to the inside of the slide groove (7) and is connected to the inside of the moving frame (9); when the electric push rod (16) controls the telescopic rod (15) to move telescopically, the moving frame (9) is driven to slide inside the slide groove (7).

2. A movable baffle for foundation pit support according to claim 1, characterized in that: The electric push rod (16) is electrically connected to the hydraulic transmission inside the moving frame (9), and the electric push rod (16) and the hydraulic transmission inside the moving frame (9) are arranged in linkage.

3. The movable baffle for foundation pit support according to claim 1, characterized in that: A support frame (3) is provided at the middle of the upper end of the base (1), a support plate (4) is provided at the upper end of the support frame (3), and when the baffle bodies (14) swing to be parallel, the inner bottoms of the two baffle bodies (14) are both in contact with the surface of the support plate (4).

4. The movable baffle for foundation pit support according to claim 1, characterized in that: A telescopic bottom rod (19) is provided at the bottom of the bottom support platform (24), and the support platform (24) enables the telescopic bottom rod (19) to be lifted and moved by hydraulic transmission, and a bottom pad (18) is provided at the bottom of the telescopic bottom rod (19).

5. The movable baffle for foundation pit support according to claim 1, characterized in that: The outer side of the baffle body (14) is provided with a snap-fitting groove (23), and the snap-fitting groove (23) is located on both sides of the through groove (12); an extension plate (21) is provided inside the snap-fitting groove (23), and the extension plate (21) is telescopically movable inside the snap-fitting groove (23); and an outer plate (22) is provided at the front end of the extension plate (21).

6. The movable baffle for foundation pit support according to claim 1, characterized in that: Side grooves (8) are symmetrically arranged on both sides of the slide groove (7), and clamping blocks (17) are arranged on the bottoms of both sides of the movable frame (9), and the clamping blocks (17) are slidably engaged with the side grooves (8).

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