Safety protection device

Abstract

The utility model discloses a safety protection device which comprises a base, a first baffle, a second baffle, a third baffle, a positive and negative lead screw, a main sliding block, an auxiliary sliding block, a first connecting rod and a second connecting rod, the first baffle is arranged at the front end of the outer portion of the base, the second baffle is arranged in the first baffle, the third baffle is arranged in the second baffle, and the positive and negative lead screw is arranged on the base. A forward and reverse lead screw is arranged at the bottom end in the first baffle, main sliding blocks are arranged on the two sides of the bottom end in the first baffle, auxiliary sliding blocks are arranged on the two sides of the top end in the third baffle, first connecting rods are arranged at the upper ends of the main sliding blocks, and second connecting rods are arranged at the lower ends of the auxiliary sliding blocks. Compared with the prior art, the utility model has the advantage that the height of the baffle is convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a safety protection device. Background Art

[0002] Construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. The place where the construction work is done is called the "construction site" or "construction site", also called the construction site. When carrying out construction, due to the needs of the specific construction process, there will often be edges, openings and deep pits, etc. For on-site construction personnel, there are high safety hazards, and construction fences are needed at the construction site for safety protection.

[0003] A safety protection device for construction described in announcement number CN220014706U includes a support structure and a protection structure. The support structure includes a support vertical slot I and a support vertical slot II. The protection structure includes a support plate, a winding drum and a protection net. One end of the support plate is rotatably connected to the support vertical slot I, and the other end is rotatably connected to the lifting block on the support vertical slot II. The winding drum is rotatably connected to the support plate, and the protection net is rolled up on the winding drum. One side of the protection net is fixedly connected to the unfolding plate, and one side of the unfolding plate is slidably connected to the corresponding limit arc grooves in the support vertical slot I through multiple groups of positioning columns. The lifting plates are fixedly installed on the multiple groups of limit arc grooves. The utility model drives the support vertical slot I and the support vertical slot II to approach each other, and drives the support plate and the unfolding plate to rotate and be stored in the support vertical slot I, thereby avoiding the problem that the currently commonly used construction safety protection device is mainly composed of a protective plate, which is large in size and inconvenient for transportation and storage. However, the prior art still has defects:

[0004] The safety protection device adopted in the prior art uses two foldable supporting vertical grooves as the installation grooves of the protection net, and uses a winding drum to hand-roll the protection net. However, when the protection net is spread out, the protection area is fixed, and the protection height cannot be adjusted according to the specific construction conditions and situations on site. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the above-mentioned defects and provide a safety protection device.

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is a safety protection device, including a base, a mounting groove is opened on the upper side of the base, a first baffle is arranged on the front side of the base, the lower end of the first baffle is hinged with the front end of the base, a second baffle is inserted on the upper side of the first baffle, a third baffle is inserted on the upper side of the second baffle, a forward and reverse screw is arranged on the bottom end of the first baffle, the two ends of the forward and reverse screw are respectively rotatably connected with the two sides of the first baffle, main sliders are arranged on both sides of the bottom end of the first baffle, and the main sliders are respectively threadedly connected with the two sides of the forward and reverse screws. The upper end of the main slider is hinged with a first connecting rod, and auxiliary sliders are arranged on both sides of the top end of the third baffle, a guide structure is arranged between the auxiliary slider and the third baffle, and the lower end of the auxiliary slider is hinged with a second connecting rod, a screw is arranged inside the mounting groove, and the two ends of the screw are respectively connected to the mounting groove for front and rear rotation, a servo motor used in conjunction with the screw is fixedly connected to the rear end of the base outside, a slider is arranged inside the mounting groove, and the slider is threadedly connected to the screw, a hinge support is fixedly connected to the rear side of the outside of the first baffle, and the slider is connected to the hinge support by a support rod.

[0007] As an improvement, the guide structure includes a guide rod arranged on the upper side of the third baffle, the two ends of the guide rod are respectively fixedly connected to the two sides of the third baffle, and one side of the auxiliary slider is provided with a guide hole used in conjunction with the guide rod.

[0008] As an improvement, main limit strips are fixedly connected to the front and rear lower sides of the first baffle, and main limit slots for cooperating with the main limit strips are provided on the front and rear sides of the main sliding block.

[0009] As an improvement, auxiliary limit strips are fixedly connected to the front and rear upper sides of the third baffle, and auxiliary limit grooves for cooperating with the auxiliary limit strips are provided on the front and rear sides of the auxiliary sliding block.

[0010] As an improvement, the middle part of the first connecting rods is hinged, the middle part of the second connecting rods is hinged, the upper ends of the first connecting rods are respectively hinged to the lower ends of the second connecting rods, the lower ends on both sides of the outside of the first baffle are rotatably connected to cranks used in conjunction with the forward and reverse screws, and mounting holes are opened on the front and back and both sides of the bottom end of the inside of the mounting groove.

[0011] The advantages of the utility model compared with the prior art are: the utility model uses three baffles nested together, and a scissor-type connecting rod inside the baffle is used to control the lifting of the baffle, which is convenient for lifting and lowering the baffle to adjust the protective height, and can be applied to more construction scenes. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional safety protection device of the utility model. Figure 1 .

[0013] Figure 2 It is a three-dimensional safety protection device of the utility model. Figure 2 .

[0014] Figure 3 It is a left sectional view of a safety protection device of the utility model.

[0015] Figure 4 It is an enlarged view of A of a safety protection device of the utility model.

[0016] Figure 5 It is an enlarged view of B of a safety protection device of the utility model.

[0017] Figure 6 It is a front cross-sectional view of a safety protection device of the utility model.

[0018] As shown in the figure: 1. Base; 2. Mounting slot; 3. First baffle; 4. Second baffle; 5. Third baffle; 6. Forward and reverse screws; 7. Main slider; 8. First connecting rod; 9. Auxiliary slider; 10. Guide structure; 11. Second connecting rod; 12. Screw; 13. Servo motor; 14. Slider; 15. Hinge support; 16. Support rod; 17. Guide rod; 18. Guide hole; 19. Main limit strip; 20. Main limit slot; 21. Auxiliary limit strip; 22. Auxiliary limit slot; 23. Crank; 24. Mounting hole. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] like Figure 1-6 As shown, the utility model is provided with a base 1, a mounting groove 2 is provided on the upper side of the base 1, a first baffle 3 is provided on the front side of the base 1, the lower end of the first baffle 3 is hinged to the front end of the base 1, a hinge support 15 is installed on the outer rear side of the first baffle 3, a screw rod 12 is provided inside the mounting groove 2, a slider 14 is provided inside the mounting groove 2, the slider 14 is sleeved on the outside of the screw rod 12, and is threadedly connected to the screw rod 12, and the bottom end of the slider 14 contacts the inner bottom end of the mounting groove 2 The servo motor 13 installed at the rear end of the base 1 drives the screw 12 to rotate, which can drive the slider 14 to slide back and forth inside the installation groove 2, and a support rod 16 is arranged on the outer rear side of the first baffle 3, the upper end of the support rod 16 is hinged to the hinge support 15, and the lower end of the support rod 16 is hinged to the upper end of the slider 14. The pitch angle of the first baffle 3 can be changed by moving the slider 14 back and forth, and a second baffle 4 is inserted inside the first baffle 3, and a third baffle 5 is inserted inside the second baffle 4.

[0021] A retaining ring is set at the opening at the upper end of the first baffle plate 3, and the retaining ring clamps the second baffle plate 4. A retaining ring is also set at the lower end of the outside of the second baffle plate 4 to prevent the second baffle plate 4 from escaping from the inside of the first baffle plate 3. A retaining ring is also set at the upper end of the inside of the second baffle plate 4. A retaining ring used in conjunction with the lower end of the outside of the third baffle plate 5 is set to prevent the third baffle plate 5 from escaping from the inside of the second baffle plate 4. A forward and reverse screw 6 with opposite thread directions on both sides is set at the bottom end of the inside of the first baffle plate 3. The two ends of the forward and reverse screw 6 are respectively rotatably connected to the two sides of the inside of the first baffle plate 3. The forward and reverse screw 6 can be controlled to rotate by the crank 23 set at the lower ends of the two sides of the outside of the first baffle plate 3. The two bottom ends of the inside of the first baffle 3 A main slider 7 is provided on both sides, and the two main sliders 7 on both sides are respectively threadedly connected to the two sides of the forward and reverse screws 6. In order to enable the two main sliders 7 to synchronously approach or move away from each other, main limit strips 19 are installed on the front and rear lower sides of the first baffle 3, and main limit grooves 20 used in conjunction with the main limit strips 19 are provided on the front and rear sides of the main sliders 7, so that the two main sliders 7 can only move to both sides inside the first baffle 3 along the main limit strips 19 through the main limit grooves 20. Driven by the rotation of the forward and reverse screws 6, the two main sliders 7 can synchronously move closer to or away from each other, and the upper ends of the main sliders 7 are hinged with first connecting rods 8, and the middle position between the two first connecting rods 8 is hinged together to form an "×" shape.

[0022] The utility model is provided with auxiliary sliders 9 on both sides of the top of the third baffle 5, a guide rod 17 is provided on the upper side of the third baffle 5, and the two ends of the guide rod 17 are respectively connected to the two sides of the third baffle 5, and a guide hole 18 is provided on one side of the auxiliary slider 9. The auxiliary slider 9 is sleeved on the outside of the guide rod 17 through the guide hole 18 to form a guide structure 10, and auxiliary limit strips 21 are installed on the upper sides of the front and rear of the third baffle 5, and auxiliary limit strips are provided on the front and rear sides of the auxiliary slider 9. The groove 22 allows the two auxiliary sliders 9 to move to both sides inside the third baffle 5 only through the auxiliary limit groove 22 along the auxiliary limit strip 21. The lower ends of the two auxiliary sliders 9 are hinged with a second connecting rod 11, and the middle parts of the two second connecting rods 11 are hinged together in an "×" shape. The upper ends of the two first connecting rods 8 are hinged to the lower ends of the two second connecting rods 11 respectively. Mounting holes 24 are opened on the front, back and both sides of the bottom end of the mounting groove 2, and the base 1 can be conveniently installed on the ground by screws.

[0023] During the specific implementation of the utility model, the base 1 is first installed at the designated position through the screws and the mounting holes 24. The front and rear positions of the slider 14 are adjusted by rotating the screw 12 according to the needs during use, and the angle between the first baffle 3 and the base 1 is adjusted. The crank 23 is rotated as needed, and the main sliders 7 on both sides are driven to move synchronously toward the middle or away from each other through the rotation of the forward and reverse lead screws 6. The third baffle 5 is lifted and lowered by the scissor-type lifting structure composed of the first connecting rod 8 and the second connecting rod 11. When the third baffle 5 rises to and engages with the second baffle 4, it drives the second baffle 4 to rise again.

[0024] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A safety protection device, comprising a base (1), characterized in that: The upper side of the base (1) is provided with a mounting groove (2), the front side of the base (1) is provided with a first baffle (3), the lower end of the first baffle (3) is hinged with the front end of the base (1), the upper side of the interior of the first baffle (3) is plugged with a second baffle (4), the upper side of the interior of the second baffle (4) is plugged with a third baffle (5), the bottom end of the interior of the first baffle (3) is provided with a forward and reverse screw (6), the two ends of the forward and reverse screw (6) are respectively rotatably connected to the two sides of the interior of the first baffle (3), the two sides of the interior of the first baffle (3) are provided with main sliders (7), the main sliders (7) are respectively threadedly connected to the two sides of the forward and reverse screws (6), the upper ends of the main sliders (7) are hinged with a first connecting rod (8), the top of the interior of the third baffle (5 ... a main slider (7), the two ends of the forward and reverse screw (6) are respectively threadedly connected to the two sides of the forward and reverse screw (6), the upper ends of the main sliders (7) are hinged with a first connecting rod (8), the top of the interior Auxiliary sliders (9) are provided on both sides of the end, a guide structure (10) is provided between the auxiliary sliders (9) and the third baffle (5), the lower ends of the auxiliary sliders (9) are hinged with second connecting rods (11), a screw rod (12) is provided inside the installation groove (2), and the two ends of the screw rod (12) are respectively connected to the installation groove (2) for front and rear rotation, the rear end of the outside of the base (1) is fixedly connected to a servo motor (13) used in conjunction with the screw rod (12), a slider (14) is provided inside the installation groove (2), and the slider (14) is threadedly connected to the screw rod (12), the rear side of the outside of the first baffle (3) is fixedly connected to a hinge support (15), and the slider (14) is connected to the hinge support (15) by a support rod (16).

2. A safety protection device according to claim 1, characterized in that: The guide structure (10) includes a guide rod (17) arranged on the upper side of the third baffle (5), the two ends of the guide rod (17) are fixedly connected to the two sides of the third baffle (5), and a guide hole (18) for matching the guide rod (17) is opened on one side of the auxiliary slider (9).

3. A safety protection device according to claim 1, characterized in that: The front and rear lower sides of the first baffle (3) are fixedly connected to main limit strips (19), and the front and rear sides of the main slider (7) are provided with main limit slots (20) used in conjunction with the main limit strips (19).

4. A safety protection device according to claim 1, characterized in that: Auxiliary limit strips (21) are fixedly connected to the front and rear upper sides of the third baffle (5), and auxiliary limit slots (22) used in conjunction with the auxiliary limit strips (21) are provided on the front and rear sides of the auxiliary slider (9).

5. A safety protection device according to claim 1, characterized in that: The middle of the first connecting rods (8) are hinged, the middle of the second connecting rods (11) are hinged, the upper end of the first connecting rod (8) is hinged to the lower end of the second connecting rod (11), the lower ends of both sides of the outside of the first baffle (3) are rotatably connected to the crank (23) used in conjunction with the forward and reverse screws (6), and the bottom end of the inside of the installation slot (2) is provided with installation holes (24) on both sides.

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