Safety protection net

Abstract

The utility model discloses a safety protection net which comprises a base, a first net frame is arranged on the base, and a protection net body is arranged on the first net frame. The second screen frame is arranged above the first screen frame, and a connecting screen is arranged on the second screen frame; an adjusting mechanism; the adjusting mechanism comprises an adjusting sleeve rotationally arranged on the first screen frame, a first screw rod is in threaded connection with the interior of the adjusting sleeve, and the upper end of the first screw rod is rotationally connected with the second screen frame; according to the scheme, the position of the connecting net is adjusted through the adjusting mechanism to change the area of a combined area of the connecting net and the protective net, then different areas can be protected, adjustment can be conducted according to the space size of a construction site or actual requirements, flexibility is high, and different requirements can be met; and the distance between the connecting net and the protective net can be reduced, the overall occupied space can be reduced, transportation and storage are more convenient, and high practicability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction protective screen technical field more specifically, relate to a safety protective screen. BACKGROUND

[0002] Tunnel construction refers to the process of building a passage underground or underwater, which is used for transportation (such as highway, railway), water delivery, flood discharge, power transmission, communication line laying, etc. Safety protective screen is one of the important facilities commonly used in tunnel construction, mainly used to prevent people or objects from falling from a height. It plays a crucial role in protecting workers' safety and preventing accidents. And through the safety protective screen, the area can be isolated, dividing the dangerous area and the safe area, preventing non-construction personnel from entering the dangerous area.

[0003] According to the patent with publication number CN202689682U, a safety protective screen is disclosed, which includes mutually hinged window units, the window units are composed of a frame and a grid assembly, the frame forms a closed frame, a steel pipe is welded outside the closed frame, a connecting piece is welded on the side of the steel pipe, the connecting piece is welded with the protective screen column as a whole, and the protective screen column is detachably connected with the base through bolts and nuts.

[0004] However, this existing patent still has some shortcomings. The protective area of the protective screen cannot be adjusted, and the protective area of the protective screen cannot be changed according to the size of the construction site or the actual needs, which is not convenient to use, has poor flexibility, cannot meet different needs, and the large protective screen that cannot be adjusted also occupies a lot of space when transporting and storing, which has poor practicality.

[0005] Therefore, it is necessary to provide a safety protective screen to solve the above technical problems. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a safety protective screen to solve the above technical problems.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A safety protective screen, comprising:

[0009] A base is provided with a first mesh frame, and the first mesh frame is provided with a protective screen;

[0010] A second mesh frame is arranged above the first mesh frame, and the second mesh frame is provided with a connecting mesh;

[0011] An adjusting mechanism is used to drive the second mesh frame to move in the vertical direction;

[0012] The adjusting mechanism comprises an adjusting sleeve rotatably arranged on the first screen frame, a first screw rod threadedly connected in the adjusting sleeve, and an upper end of the first screw rod rotatably connected with the second screen frame.

[0013] Further, an inner cavity is formed in the first screen frame, a connecting cylinder is rotatably arranged in the inner cavity, an upper end of the connecting cylinder is connected with the adjusting sleeve, the first screw rod movably penetrates through the connecting cylinder, and a bottom of the first screw rod is provided with a stabilizing block in sliding connection with an inner wall of the inner cavity.

[0014] Further, a side wall of the inner cavity is provided with a ring groove, and a limiting block connected with the connecting cylinder is in sliding connection with an inner wall of the ring groove.

[0015] Further, an outer wall of the second screen frame is provided with a connecting plate, and the connecting plate is in sliding connection with the first screen frame.

[0016] Further, a side wall of the first screen frame is provided with a sliding groove, and a sliding block connected with the connecting plate is in sliding connection with an inner wall of the sliding groove.

[0017] Further, both sides of the base are provided with supporting frames, an inner wall of the base is provided with a transmission cavity, and the transmission cavity is provided with a transmission assembly for driving the supporting frames to move up and down.

[0018] Further, the transmission assembly comprises a second screw rod rotatably arranged on an inner wall of the transmission cavity, a guide block connected with the supporting frames is threadedly connected on the second screw rod, and the guide block is in sliding connection with the inner wall of the transmission cavity.

[0019] Further, a sliding rod is arranged between the upper and lower walls of the transmission cavity, and the sliding rod movably penetrates through the guide block.

[0020] Further, a bottom of the second screw rod extends to outside of the base and is provided with a knob.

[0021] Compared with the prior art, the present application has the following advantages:

[0022] 1、The adjusting mechanism drives the second screen frame to move, which in turn drives the connecting screen to move, the position of the connecting screen is adjusted to change the area of the combination of the connecting screen and the protective screen, so that different area sizes can be protected, the space size of the construction site or actual demand can be adjusted, the use is convenient, the flexibility is high, different demands can be met, the distance between the connecting screen and the protective screen can be reduced, the overall occupied space can be reduced, the transportation and storage are more convenient, the practicability is high, and the present application can be widely used.

[0023] 2、The scheme can drive the support frame to move up and down through the transmission assembly, that is, the height position of the support frame can be adjusted, the protective net and the connecting net can be stably placed by adjusting the height of the support frame in different directions, the flexibility is high, it is suitable for various complex terrains, and the safety protection effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 It is a structure schematic view of the bottom view in Figure 1

[0026] Figure 3 It is a sectional structure schematic view of the first net frame and the adjusting sleeve of the utility model;

[0027] Figure 4 It is an enlarged structure schematic view of A in Figure 3

[0028] Figure 5 It is an enlarged structure schematic view of B in Figure 3

[0029] Figure 6 It is a partial sectional structure schematic view of the base of the utility model.

[0030] Mark explanation in drawing:

[0031] 1, base; 2, first net frame; 3, protective net; 4, second net frame; 5, connecting net; 6, adjusting mechanism; 61, adjusting sleeve; 62, first screw rod; 7, inner cavity; 8, connecting barrel; 9, stabilizing block; 10, ring groove; 11, limiting block; 12, connecting plate; 13, sliding groove; 14, sliding block; 15, support frame; 16, transmission cavity; 17, transmission assembly; 171, second screw rod; 172, guide block; 18, sliding rod; 19, knob; 20, retaining ring. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] Please refer to Figures 1-6 , a safety protection net, comprising:

[0034] Base 1, the base 1 is provided with the first net frame 2, and the first net frame 2 is provided with the protective net 3; ​​​

[0035] A second screen frame 4 is arranged above the first screen frame 2, and the second screen frame 4 is provided with a connecting screen 5;

[0036] An adjusting mechanism 6 is arranged to drive the second screen frame 4 to move in the vertical direction;

[0037] The adjusting mechanism 6 comprises an adjusting sleeve 61 rotatably arranged on the first screen frame 2, and a first screw rod 62 is threadedly connected in the adjusting sleeve 61, and the upper end of the first screw rod 62 is rotatably connected with the second screen frame 4.

[0038] After the protective screen is placed at the corresponding position of the tunnel construction, the second screen frame 4 can be driven to move through the adjusting mechanism 6, specifically, the adjusting sleeve 61 is driven to rotate in the forward and reverse directions, the adjusting sleeve 61 is driven to rotate and simultaneously move up and down through the thread connection with the first screw rod 62, and the first screw rod 62 is driven to move up and down through the rotation connection with the second screen frame 4, that is, the distance between the second screen frame 4 and the first screen frame 2 can be changed, the second screen frame 4 is driven to move through the connecting screen 5, the area of the combined region of the connecting screen 5 and the protective screen 3 is changed through the adjustment of the position of the connecting screen 5, and different area sizes can be protected, the space size of the construction site or the actual demand can be adjusted, the use is convenient, the flexibility is high, different demands can be met. And the distance between the connecting screen 5 and the protective screen 3 can be reduced, the overall occupied space can be reduced, the transportation and storage are more convenient, the practicability is high, and the protective screen can be widely used.

[0039] In the embodiment, please refer to Figures 3-5 , the first screen frame 2 is provided with an inner cavity 7, the connecting barrel 8 is rotatably arranged in the inner cavity 7, the upper end of the connecting barrel 8 is connected with the adjusting sleeve 61, the first screw rod 62 is movably penetrated through the connecting barrel 8, and the bottom of the first screw rod 62 is provided with a stabilizing block 9 which is slidably connected with the inner wall of the inner cavity 7. When the adjusting sleeve 61 is rotated, the adjusting sleeve 61 drives the connecting barrel 8 to rotate along the inner cavity 7, the adjusting sleeve 61 drives the first screw rod 62 to rotate and simultaneously move up or down, and the first screw rod 62 drives the stabilizing block 9 to slide up and down in the inner cavity 7, and the stability and smoothness of the movement of the first screw rod 62 can be improved through the stabilizing block 9.

[0040] In the embodiment, please refer to Figures 3-4 , the sidewall of the inner cavity 7 is provided with a ring groove 10, and the ring groove 10 is slidably connected with a limiting block 11 which is connected with the connecting barrel 8. When the adjusting sleeve 61 drives the connecting barrel 8 to rotate, the connecting barrel 8 drives the limiting block 11 to rotate along the inner wall of the ring groove 10, and the connecting barrel 8 is limited while ensuring the stable and smooth rotation.

[0041] In the embodiment, please refer to Figures 1-3The outer wall of the second screen frame 4 is provided with a connecting plate 12, and the connecting plate 12 is in sliding connection with the first screen frame 2. When the first screw rod 62 of the adjusting mechanism 6 drives the second screen frame 4 to move upwards or downwards, the second screen frame 4 drives the connecting plate 12 to move upwards or downwards along the first screen frame 2, so that the connecting plate 12 can guide the second screen frame 4, limit the rotation of the second screen frame 4, and enable the second screen frame 4 to stably move in the vertical direction.

[0042] In the embodiment, please refer to Figure 3 The side wall of the first screen frame 2 is provided with a sliding groove 13, and the inner wall of the sliding groove 13 is in sliding connection with a sliding block 14 connected with the connecting plate 12. When the second screen frame 4 drives the connecting plate 12 to move upwards or downwards, the connecting plate 12 drives the sliding block 14 to slide along the sliding groove 13, so that the stability of the movement of the connecting plate 12 can be improved.

[0043] In the embodiment, please refer to Figures 1-3 and Figure 6 Both sides of the base 1 are provided with support frames 15, and the base 1 is provided with a transmission cavity 16, and the transmission cavity 16 is provided with a transmission assembly 17 for driving the support frames 15 to move up and down. By operating the transmission assembly 17, the support frames 15 can be driven to move up and down, that is, the height position of the support frames 15 can be adjusted, and by adjusting the height of the support frames 15 in different directions, the protective net 3 and the connecting net 5 can be stably placed, which is flexible and suitable for various complex terrains, and improves the safety protection effect.

[0044] In the embodiment, please refer to Figure 6 The transmission assembly 17 comprises a second screw rod 171 rotatably arranged on the inner wall of the transmission cavity 16, a guide block 172 connected with the support frame 15 is threadedly connected on the second screw rod 171, and the guide block 172 is in sliding connection with the inner wall of the transmission cavity 16. By rotating the second screw rod 171 forward and backward, the guide block 172 will move upwards or downwards along the inner wall of the transmission cavity 16, and the guide block 172 will drive the support frame 15 to move upwards or downwards, that is, the height position of the support frame 15 can be adjusted.

[0045] In the embodiment, please refer to Figure 6 A sliding rod 18 is arranged between the upper and lower walls of the transmission cavity 16, and the sliding rod 18 movably penetrates the guide block 172. When the guide block 172 moves up and down, it will slide along the sliding rod 18, and the sliding rod 18 can improve the movement stability of the guide block 172 and realize the guiding effect.

[0046] In the embodiment, please refer to Figure 2 and Figure 6 The bottom of the second screw rod 171 extends to the outside of the base 1 and is provided with a knob 19. Rotating the knob 19 can drive the second screw rod 171 to rotate, and the knob 19 can more conveniently rotate the second screw rod 171.

[0047] In the embodiment, referring to Figure 6 The second screw 171 is provided with a stop ring 20 which is in sliding fit with the bottom wall of the transmission cavity 16. When the second screw 171 rotates, the stop ring 20 is driven to rotate, and the stop ring 20 can limit the second screw 171, so that the second screw 171 can operate more stably in the transmission cavity 16.

[0048] It should be understood that the examples and embodiments described herein are only for illustration and do not limit the utility model, and those skilled in the art can make various modifications or changes according to it, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

[0049] It should be noted that if the embodiment of the utility model has directionality indication such as up, down, left, right, front, back, etc., the directionality indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture such as shown in the drawings, if the specific posture changes, the directionality indication also changes accordingly.

[0050] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for description purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, "multiple" means two or more. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that the ordinary skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

Claims

1. A safety screen, characterised in that, The utility model relates to a kind of protective screen, including: Base (1), first screen frame (2) is provided on the base (1), protective screen (3) is provided on the first screen frame (2); Second screen frame (4) is arranged above the first screen frame (2), connecting screen (5) is provided on the second screen frame (4); Adjusting mechanism (6) is used to drive the second screen frame (4) to move along vertical direction; The adjusting mechanism (6) includes adjusting sleeve (61) rotationally arranged on the first screen frame (2), first screw rod (62) is threadedly connected inside the adjusting sleeve (61), and the upper end of the first screw rod (62) is rotationally connected with the second screen frame (4).

2. A safety fence according to claim 1, wherein, The first screen frame (2) is provided with an inner cavity (7), the connecting barrel (8) is rotationally arranged in the inner cavity (7), the upper end of the connecting barrel (8) is connected with the adjusting sleeve (61), the first screw rod (62) is movably penetrated through the connecting barrel (8), and the bottom of the first screw rod (62) is provided with a stabilizing block (9) slidably connected with the inner wall of the inner cavity (7).

3. A safety fence according to claim 2, wherein, The side wall of the inner cavity (7) is provided with an annular groove (10), and the inner wall of the annular groove (10) is slidably connected with a limiting block (11) connected with the connecting barrel (8).

4. A safety fence according to claim 1, wherein, The outer wall of the second screen frame (4) is provided with a connecting plate (12), and the connecting plate (12) is slidably connected with the first screen frame (2).

5. A safety screen according to claim 4, wherein, The side wall of the first screen frame (2) is provided with a sliding groove (13), and the inner wall of the sliding groove (13) is slidably connected with a sliding block (14) connected with the connecting plate (12).

6. A safety fence according to claim 1, wherein, Both sides of the base (1) are provided with a support frame (15), the base (1) is provided with a transmission cavity (16), and the transmission cavity (16) is provided with a transmission assembly (17) for driving the support frame (15) to move up and down.

7. A safety screen according to claim 6, wherein, The transmission assembly (17) includes a second screw rod (171) rotationally arranged on the inner wall of the transmission cavity (16), a guide block (172) connected with the support frame (15) is threadedly connected on the second screw rod (171), and the guide block (172) is slidably connected with the inner wall of the transmission cavity (16).

8. A safety screen according to claim 7, wherein, The upper and lower walls of the transmission cavity (16) are provided with a sliding rod (18), and the sliding rod (18) movably penetrates through the guide block (172).

9. A safety fence according to claim 7, wherein, The bottom of the second screw rod (171) extends to the outside of the base (1) and is provided with a knob (19).

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