Foundation pit safety protection device for municipal road engineering

Abstract

The utility model belongs to the field of municipal engineering, particularly relates to a foundation pit safety protection device for municipal road engineering, and provides the following scheme aiming at the problems that the existing protection range is limited and the angle cannot be adjusted: the foundation pit safety protection device comprises a municipal road engineering foundation pit safety protection plate; the supporting framework is connected to the surface of the municipal road engineering foundation pit safety protection plate through bolts; the supporting frame is hinged to the bottom end of the supporting framework; the positioning mechanism comprises three positioning drill rods and three limiting rings, the limiting rings are integrally machined on the surfaces of the positioning drill rods, the positioning drill rods are connected to the bottom of the supporting frame through bolts, and the inclination angle of the municipal road engineering foundation pit safety protection plate can be adjusted through transmission of the structure; the municipal road engineering foundation pit safety protection plate can adapt to the protection effect of different environments, and the protection range can be widened through the municipal road engineering foundation pit safety protection plate.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal engineering, in particular to a foundation pit safety protection device used in municipal road engineering. Background Art

[0002] During the construction of municipal road projects, foundation pit safety protection devices are required for protection. A Chinese patent document with publication number CN215212751U discloses a foundation pit safety protection device for municipal road projects.

[0003] However, the above technical solution has a small protection range and often requires multiple combinations. Moreover, once fixed, the angle is fixed and cannot be adjusted. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art, that is, the protection range is limited and the angle cannot be adjusted, and proposes a foundation pit safety protection device for municipal road engineering.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A foundation pit safety protection device for municipal road engineering, comprising:

[0007] Municipal road engineering foundation pit safety protection plate;

[0008] A support frame, wherein the support frame is bolted to the surface of the safety protection plate of the municipal road engineering foundation pit;

[0009] A support frame, the support frame is hinged to the bottom end of the support frame;

[0010] The positioning mechanism includes a positioning rod and a limiting ring. The positioning rod and the limiting ring are provided in three pieces. The limiting ring is integrally processed on the surface of the positioning rod. The positioning rod is bolted to the bottom of the support frame.

[0011] The adjusting mechanism includes a screw rod, a slider and a transmission frame. Both ends of the screw rod are rotatably sleeved with the inner part of the support frame. The surface of the screw rod is threadedly connected with the screw hole of the slider. The top of the slider is hinged with the bottom end of the transmission frame. The top end of the transmission frame is hinged with the surface of the support frame.

[0012] A manual mechanism is connected to the screw rod, and the manual mechanism is used to drive the municipal road engineering foundation pit safety protection plate to rotate. The inclination angle of the municipal road engineering foundation pit safety protection plate can be adjusted through the transmission of the structure, so that the municipal road engineering foundation pit safety protection plate can adapt to the protection effect of different environments, and the municipal road engineering foundation pit safety protection plate can be used to enhance the protection range.

[0013] As a preferred solution of the utility model, the manual mechanism includes a rotating rod, a main bevel gear and a secondary bevel gear. The bottom end of the rotating rod is key-connected with the axis of the main bevel gear. The teeth of the main bevel gear are meshed with the teeth of the secondary bevel gear. The axis of the secondary bevel gear is key-connected with the surface of the screw rod. The rotating rod needs to be rotated, and the rotating rod can drive the main bevel gear to rotate. The main bevel gear can drive the secondary bevel gear to rotate. The size of the main bevel gear is larger than that of the secondary bevel gear. The main bevel gear can produce an acceleration effect on the secondary bevel gear, and the secondary bevel gear can drive the screw rod to rotate.

[0014] As a preferred solution of the utility model, the surface of the rotating rod is rotatably connected to the hole on the top of the support frame, the top of the rotating rod extends to the top of the support frame and is keyed to a handwheel, the rotating rod is rotatably arranged with the support frame through a bearing to ensure the smooth rotation of the rotating rod, and the handwheel is used to drive the rotating rod to rotate.

[0015] As a preferred solution of the utility model, a slide groove is provided on the top of the support frame, the slide groove of the support frame is slidably connected to the surface of the slider, and the slider is slidably connected to the slide groove through a slide rail to guide the slider and facilitate the movement of the slider.

[0016] As a preferred solution of the utility model, a hinge groove is provided on the top of the slider, the bottom end of the transmission frame is hinged to the inside of the hinge groove, and the slider is connected to the transmission frame through the hinge groove, so that the slider drives the transmission frame to move through the hinge groove.

[0017] As a preferred solution of the utility model, auxiliary plates are bolted on both sides of the support frame, and anti-slip grooves are provided on the top of the auxiliary plates. The auxiliary plates are used to place counterweights, limit the support frame, and ensure the stability of the structure.

[0018] Beneficial effects:

[0019] 1. The manual mechanism can drive the slider to move through the screw rod, and the slider can drive the support frame to rotate through the transmission frame, and the support frame can adjust the inclination angle of the safety protection plate of the municipal road engineering foundation pit;

[0020] 2. The support frame is fixed by positioning pins, and the support frame can support the safety protection plate of the foundation pit of the municipal road engineering through the slider and the transmission frame;

[0021] In the utility model: the inclination angle of the municipal road engineering foundation pit safety protection plate can be adjusted through the transmission of the structure, so that the municipal road engineering foundation pit safety protection plate can adapt to the protection effect of different environments, and the municipal road engineering foundation pit safety protection plate can be used to enhance the protection range. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the main body of the utility model;

[0023] Figure 2 It is a three-dimensional diagram of the manual mechanism of the utility model;

[0024] Figure 3 It is a three-dimensional diagram of the slider of the utility model;

[0025] Figure 4 It is a three-dimensional diagram of the municipal road engineering foundation pit safety protection plate of the utility model.

[0026] In the figure: 1. Municipal road engineering foundation pit safety protection plate; 2. Support frame; 3. Support frame; 4. Positioning drill; 5. Limiting ring; 6. Rotating rod; 7. Main bevel gear; 8. Auxiliary bevel gear; 9. Screw; 10. Slider; 11. Transmission frame. DETAILED DESCRIPTION

[0027] 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.

[0028] Embodiment 1

[0029] Reference Figure 1-Figure 4 , a foundation pit safety protection device for municipal road engineering, comprising

[0030] Municipal road engineering foundation pit safety protection plate 1;

[0031] A support frame 2, the support frame 2 is bolted to the surface of the municipal road engineering foundation pit safety protection plate 1;

[0032] A support frame 3, the support frame 3 is hinged to the bottom end of the support frame 2;

[0033] The positioning mechanism includes a positioning pin 4 and a limiting ring 5. The positioning pin 4 and the limiting ring 5 are provided in three pieces. The limiting ring 5 is integrally processed on the surface of the positioning pin 4. The positioning pin 4 is bolted to the bottom of the support frame 3.

[0034] The adjusting mechanism includes a screw rod 9, a slider 10 and a transmission frame 11. Both ends of the screw rod 9 are rotatably sleeved with the inside of the support frame 3. The surface of the screw rod 9 is threadedly connected with the screw hole of the slider 10. The top of the slider 10 is hinged with the bottom of the transmission frame 11. The top of the transmission frame 11 is hinged with the surface of the support frame 2.

[0035] A manual mechanism is connected to the screw rod 9 and is used to drive the municipal road engineering foundation pit safety protection plate 1 to rotate.

[0036] By means of the above structure: the inclination angle of the municipal road engineering foundation pit safety protection plate 1 can be adjusted through the transmission of the structure, so that the municipal road engineering foundation pit safety protection plate 1 can adapt to the protection effect of different environments, and the municipal road engineering foundation pit safety protection plate 1 can be used to enhance the protection range.

[0037] See also Figure 2 The manual mechanism includes a rotating rod 6, a main bevel gear 7 and a secondary bevel gear 8. The bottom end of the rotating rod 6 is key-connected with the axis of the main bevel gear 7. The teeth of the main bevel gear 7 are meshed with the teeth of the secondary bevel gear 8. The axis of the secondary bevel gear 8 is key-connected with the surface of the screw rod 9. The rotating rod 6 needs to be rotated, and the rotating rod 6 can drive the main bevel gear 7 to rotate, and the main bevel gear 7 can drive the secondary bevel gear 8 to rotate. The size of the main bevel gear 7 is larger than that of the secondary bevel gear 8. The main bevel gear 7 can produce an acceleration effect on the secondary bevel gear 8, and the secondary bevel gear 8 can drive the screw rod 9 to rotate.

[0038] See also Figure 1 The surface of the rotating rod 6 is rotatably connected to the hole on the top of the supporting frame 3. The top of the rotating rod 6 extends to the top of the supporting frame 3 and is keyed to a handwheel. The rotating rod 6 is rotatably arranged with the supporting frame 3 through a bearing to ensure the smooth rotation of the rotating rod 6. The handwheel is used to drive the rotating rod 6 to rotate.

[0039] See also Figure 1 A slide groove is provided on the top of the support frame 3, and the slide groove of the support frame 3 is slidably connected to the surface of the slider 10. The slider 10 is slidably connected to the slide groove through a slide rail to guide the slider 10 and facilitate the movement of the slider 10.

[0040] See also Figure 3 A hinge groove is provided at the top of the slider 10, and the bottom end of the transmission frame 11 is hinged to the inside of the hinge groove. The slider 10 is connected to the transmission frame 11 through the hinge groove, so that the slider 10 drives the transmission frame 11 to move through the hinge groove.

[0041] See also Figure 1 Auxiliary plates are bolted to both sides of the support frame 3, and anti-slip grooves are provided on the top of the auxiliary plates. The auxiliary plates are used to place counterweights, limit the support frame 3, and ensure the stability of the structure.

[0042] Embodiment 2

[0043] The difference between this embodiment and the first embodiment is that the rotating rod 6, the main bevel gear 7 and the auxiliary bevel gear 8 are replaced by a power motor, a driving gear key-connected to the output end of the power motor and a passive gear meshing with the teeth of the driving gear. The power motor can drive the passive gear to rotate through the driving gear, and the passive gear can drive the screw rod 9 to rotate. However, the power motor needs to use a power supply. Therefore, the present application is preferably a rotating rod 6, a main bevel gear 7 and an auxiliary bevel gear 8.

[0044] The working principle of the utility model is as follows: the positioning drill 4 at the bottom of the support frame 3 is inserted downward, and the positioning drill 4 is fixed to the support frame 3 by the limiting ring 5. The rotating rod 6 needs to be rotated, and the rotating rod 6 can drive the main bevel gear 7 to rotate, and the main bevel gear 7 can drive the secondary bevel gear 8 to rotate. The size of the main bevel gear 7 is larger than the size of the secondary bevel gear 8. The main bevel gear 7 can produce an acceleration effect on the secondary bevel gear 8, and the secondary bevel gear 8 can drive the screw rod 9 to rotate, and the screw rod 9 can drive the slider 10 to move, and the slider 10 can drive the right end of the transmission frame 11, and the transmission frame 11 can drive the support frame 2 to rotate, and the support frame 2 can drive the municipal road engineering foundation pit safety protection plate 1 to rotate.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A foundation pit safety protection device for municipal road engineering, characterized in that: include Municipal road engineering foundation pit safety protection plate (1); A support frame (2), the support frame (2) is bolted to the surface of the municipal road engineering foundation pit safety protection plate (1); A support frame (3), the support frame (3) is hinged to the bottom end of the support frame (2); The positioning mechanism comprises a positioning pin (4) and a limiting ring (5), wherein three positioning pins (4) and three limiting rings (5) are provided, and the limiting rings (5) are integrally processed on the surface of the positioning pin (4), and the positioning pin (4) is bolted to the bottom of the support frame (3); The adjusting mechanism comprises a screw rod (9), a slider (10) and a transmission frame (11), both ends of the screw rod (9) are rotatably sleeved inside the support frame (3), the surface of the screw rod (9) is threadedly connected to the screw hole of the slider (10), the top of the slider (10) is hinged to the bottom of the transmission frame (11), and the top of the transmission frame (11) is hinged to the surface of the support frame (2); A manual mechanism is connected to the screw rod (9), and is used to drive the municipal road engineering foundation pit safety protection plate (1) to rotate.

2. A foundation pit safety protection device for municipal road engineering according to claim 1, characterized in that: The manual mechanism comprises a rotating rod (6), a main bevel gear (7) and a secondary bevel gear (8); the bottom end of the rotating rod (6) is key-connected with the axis of the main bevel gear (7); the teeth of the main bevel gear (7) are meshed with the teeth of the secondary bevel gear (8); and the axis of the secondary bevel gear (8) is key-connected with the surface of the screw rod (9).

3. A foundation pit safety protection device for municipal road engineering according to claim 2, characterized in that: The surface of the rotating rod (6) is rotatably sleeved with the hole at the top of the supporting frame (3); the top end of the rotating rod (6) extends to the top of the supporting frame (3) and is keyed to a hand wheel.

4. The foundation pit safety protection device for municipal road engineering according to claim 1 is characterized in that: A sliding groove is provided on the top of the support frame (3), and the sliding groove of the support frame (3) is slidably connected to the surface of the sliding block (10).

5. The foundation pit safety protection device for municipal road engineering according to claim 1 is characterized in that: The top of the sliding block (10) is provided with an articulation groove, and the bottom end of the transmission frame (11) is articulated with the inside of the articulation groove.

6. The foundation pit safety protection device for municipal road engineering according to claim 1 is characterized in that: Auxiliary plates are bolted to both sides of the support frame (3), and anti-slip grooves are provided on the top of the auxiliary plates.

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