Folding safety protective fence for constructional engineering

Abstract

The utility model relates to the technical field of folding safety protective fences, and discloses a folding safety protective fence for constructional engineering, which comprises a first support plate, a motor is fixedly connected onto the first support plate, a first cylinder is fixedly connected to the output end of the motor, a first bevel gear is fixedly connected onto the first cylinder, and a second bevel gear is fixedly connected onto the second cylinder. When the first supporting plate and the second supporting plate move in the opposite directions, the fourth shear fork rod can be driven to move according to the second supports on the first supporting plate and the second supporting plate, one end of the fourth shear fork rod drives the second sliding block to slide up and down in the sliding groove of the second supporting plate, and therefore leftward or rightward stretching and retracting are completed; when the first pull rope and the second pull rope are tightened, the maximum telescopic length can be achieved, the first pull rope and the second pull rope can be used for movement during stretching or movement at different required positions, threaded supporting legs are further arranged on one side of the first supporting plate and one side of the second supporting plate, and when the threaded supporting legs move to the required positions, the threaded supporting legs are screwed downwards through handles, so that fixing of the folding type safety protective fence is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of foldable safety guardrails, in particular to a foldable safety guardrail for construction engineering. Background Art

[0002] Construction guardrails are generally made of iron pipes, which are processed through layers of processes such as seamless iron pipe bending, welding, grinding and polishing, high-pressure painting, and film pasting. They are widely used for isolation and warning in construction sites. The structure of ordinary construction guardrails made of iron pipes cannot be changed, and they occupy a large space, which is not conducive to transportation or carrying; moreover, ordinary guardrails have a single function and can only play a protective role; in the dim light at night, it is difficult for pedestrians to notice the guardrails, which is prone to accidents.

[0003] The safety guardrail cannot be retracted or folded when in use, cannot be moved as a whole on the ground, cannot be adjusted in height as needed, and needs to be manually disassembled and carried, wasting a lot of time and manpower. No warning device is set at night, making it prone to safety accidents. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a foldable safety guardrail for construction engineering.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a foldable safety guardrail for construction engineering, comprising a support plate one, the support plate one is fixedly connected to a motor, the output end of the motor is fixedly connected to a cylinder one, the cylinder one is fixedly connected to a bevel gear one, the support plate one is rotatably connected to a threaded rod, the lower part of the threaded rod is fixedly connected to a bevel gear two, the bevel gear one is meshed with the bevel gear two, the threaded rod is threadedly connected to a threaded sleeve, the threaded sleeve is fixedly connected to a support plate three, the support plate three slides in the support plate one, one side of the support plate three is fixedly connected to a slide rod one, the support plate three is fixedly connected to a bracket three, the slide rod one slides up The scissor rod is rotatably connected with a sleeve one, and a scissor rod one is rotatably connected to the sleeve one. The scissor rod two is rotatably connected to the bracket three. The scissor rod one is rotatably connected to the scissor rod two. One end of the scissor rod one is rotatably connected to a support rod one, and one end of the scissor rod two is rotatably connected to a slider one. The slider one slides in the support rod one, and one end of the scissor rod one is rotatably connected to a sleeve two. One end of the scissor rod two is fixedly connected to the bracket one, and the sleeve two is slidably connected to the sliding rod two. The sliding rod two is fixedly connected to a support plate four, and the support plate four is slidably connected to a support plate two. The bracket one is below the support plate two, and a pull rope two is fixedly connected to the support plate one, and the pull rope two is fixedly connected to the support plate two.

[0006] As a further description of the above technical solution: the support plate one is fixedly connected with a slide bar three, the support plate one is fixedly connected with a bracket two, the slide bar three is slidably connected with a sleeve three, the sleeve three is rotatably connected with a scissors rod three, the bracket two is rotatably connected with a scissors rod four, the scissors rod three is rotated on the scissors rod four, the scissors rod three is rotatably connected with a support rod two, one end of the scissors rod four is rotatably connected with a slider two, the slider two slides in the support rod two, the slide bar three is fixed on the support plate two, the bracket two is fixed on the support plate two, the support plate three is fixedly connected with a pull rope one, and the pull rope one is fixed on the support plate four.

[0007] As a further description of the above technical solution: rotating wheels are respectively provided under the support plate one and the support plate two, and the rotating wheels are provided in four groups; a threaded leg is threadedly connected to one side of the support plate one, and the threaded leg is threadedly connected to the support plate two, and the threaded leg is provided in four groups; a reflective strip is provided on the support plate one, and the reflective strip is provided on the support plate two, and the reflective strip is provided in several groups.

[0008] As a further description of the above technical solution: a warning light 1 is respectively provided on the top of the support plate 3 and the support plate 4, a warning light 2 is fixedly connected to the support rod 2, and the warning light 2 is provided in two groups.

[0009] As a further description of the above technical solution: the support plate one and the support plate two are rotatably connected with a connecting rod, the support plate one and the support plate two are fixedly connected with a connecting tube, the connecting rod is provided with two groups on the support plate one and the support plate two respectively, and the connecting rod and the connecting tube are set in opposite directions on the support plate one and the support plate two.

[0010] As a further description of the above technical solution: the slide rod three is provided with a group of cylinders, the sleeve three is provided with four groups, the bracket two is provided with a group of cylinders, the support rod two is provided with two groups of bevel gears, the slider two is provided with several groups, the scissor rod three and the scissor rod four are provided with several groups, the slider one is provided with three groups, and the support rod one is provided with three groups.

[0011] As a further description of the above technical solution: the support plate one is U-shaped, the support plate two is U-shaped, a slide groove is provided in the support plate one, a slide groove is provided in the support plate two, the pull rope two passes through the support rod two, and the pull rope one passes through the support rod one.

[0012] The utility model has the following beneficial effects:

[0013] 1. In the utility model, when the support plate 1 and the support plate 2 move in opposite directions, the bracket 2 on the support plate 1 and the support plate 2 can drive the scissor rod 4 to move, and one end of the scissor rod 4 drives the slider 2 to slide up and down in the slide groove of the support rod 2, thereby completing the extension to the left or right. When the pull rope 1 and the pull rope 2 are tightened, the maximum extension length is reached, which can be used for movement during extension or movement to different required positions. A threaded support leg is also provided on one side of the support plate 1 and the support plate 2. When moving to the required position, the handle is twisted to make it downward to complete the fixation of the foldable safety guardrail.

[0014] 2. In the utility model, the motor drives the bevel gear 1 on the cylinder 1 to rotate, thereby driving the support plate 3 and the support plate 4 to slide inside the support plate 1 and the support plate 2, so that the foldable safety guardrail can be lifted and lowered to different heights. The warning light 1 can be lifted and lowered synchronously with the support plate 3 and the support plate 4. The warning light 1 and the warning light 2 are suitable for warning pedestrians passing by at night. Two sets of rotating wheels are respectively provided under the support plate 1 and the support plate 2, which are suitable for movement in different positions and directions, and can be fixed downward by twisting the threaded legs. Two sets of connecting rods and connecting cylinders are provided in opposite directions on the support plate 1 and the support plate 2, which are suitable for the horizontal and vertical connection of two foldable safety guardrails. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of a foldable safety guardrail for construction engineering proposed by the utility model Figure 1 ;

[0016] Figure 2 A schematic diagram of the structure of a foldable safety guardrail for construction engineering proposed by the utility model Figure 2 ;

[0017] Figure 3 This is a cross-sectional view of a foldable safety guardrail for construction engineering proposed by the utility model;

[0018] Figure 4 for Figure 3 Enlarged view of point A in .

[0019] Legend:

[0020] 1. Support plate one; 2. Support plate two; 3. Motor; 4. Cylinder one; 5. Bevel gear one; 6. Bevel gear two; 7. Threaded rod; 8. Threaded sleeve; 9. Support plate three; 10. Slide bar one; 11. Sleeve one; 12. Scissor rod one; 13. Scissor rod two; 14. Bracket one; 15. Slider one; 16. Pull rope one; 17. Support plate four; 18. Support rod one; 19. Slide bar two; 20. Sleeve two; 21. Slide bar three; 22. Sleeve three; 23. Bracket two; 24. Scissor rod three; 25. Scissor rod four; 26. Pull rope two; 27. Support rod two; 28. Slider two; 29. ​​Reflective strip; 30. Warning light one; 31. Threaded leg; 32. Rotating wheel; 33. Connecting rod; 34. Connecting tube; 35. Bracket three; 36. Warning light two. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-Figure 4The utility model provides an embodiment: a foldable safety guardrail for construction engineering, including a support plate 1, a motor 3 is fixedly connected to the support plate 1, a cylinder 4 is fixedly connected to the output end of the motor 3, a bevel gear 5 is fixedly connected to the cylinder 4, a threaded rod 7 is rotatably connected inside the support plate 1, a bevel gear 2 6 is fixedly connected below the threaded rod 7, the bevel gear 1 5 is meshed with the bevel gear 2 6, a threaded sleeve 8 is threadedly connected to the threaded sleeve 8, a support plate 3 9 is fixedly connected to the support plate The support plate 39 slides in the support plate 1, a sliding rod 10 is fixedly connected to one side of the support plate 39, a bracket 35 is fixedly connected to the support plate 39, a sleeve 11 is slidably connected to the sliding rod 10, a scissor rod 12 is rotatably connected to the sleeve 11, a scissor rod 2 13 is rotatably connected to the bracket 35, the scissor rod 12 is rotatably connected to the scissor rod 2 13, one end of the scissor rod 12 is rotatably connected to a support rod 18, one end of the scissor rod 2 13 is rotatably connected to a slider 15, and the slider 15 slides on the support plate 1. In the rod 18, one end of the scissor rod 12 is rotatably connected to the sleeve 20, one end of the scissor rod 13 is fixedly connected to the bracket 14, the sleeve 20 is slidably connected to the slide bar 219, the slide bar 219 is fixedly connected to the support plate 417, the support plate 417 is slidably connected to the support plate 22, the bracket 14 is below the support plate 22, the support plate 1 is fixedly connected to the pull rope 26, the pull rope 26 is fixed to the support plate 22, and when the support plate 1 and the support plate 22 move in opposite directions, they can be adjusted according to the support plate 1 and the support plate 2. The bracket 23 on 2 drives the scissor rod 4 25 to move, and one end of the scissor rod 4 25 drives the slider 28 to slide up and down in the slide groove of the support rod 27, thereby completing the extension to the left or right. When the pull rope 16 and the pull rope 26 are tightened, the maximum extension length is reached, which can be used for movement during extension or movement to different required positions. A threaded support leg 31 is also provided on one side of the support plate 1 and the support plate 2. When moving to the required position, the handle is turned downward to complete the fixation of the foldable safety guardrail.

[0023] The support plate 1 is fixedly connected with a slide bar 3 21, the support plate 1 is fixedly connected with a bracket 23, the slide bar 3 21 is slidably connected with a sleeve 3 22, the sleeve 3 22 is rotatably connected with a scissor rod 3 24, the bracket 23 is rotatably connected with a scissor rod 4 25, the scissor rod 3 24 is rotated on the scissor rod 4 25, the scissor rod 3 24 is rotatably connected with a support rod 27, one end of the scissor rod 4 25 is rotatably connected with a slider 28, the slider 28 slides in the support rod 27, the slide bar 3 21 is fixed on the support plate 22, the bracket 23 is fixed on the support plate 22, the support plate 3 9 is fixedly connected with a pull rope 16, the pull rope 16 is fixed on the support plate 4 17, the support plate A rotating wheel 32 is respectively provided below the support plate 1 and the support plate 2, and the rotating wheel 32 is provided with four groups. A threaded support leg 31 is threadedly connected to one side of the support plate 1, and the threaded support leg 31 is threadedly connected to the support plate 2, and the threaded support leg 31 is provided with four groups. A reflective strip 29 is provided on the support plate 1, and the reflective strip 29 is provided on the support plate 2, and the reflective strip 29 is provided with several groups. A warning light 30 is respectively provided above the support plate 39 and the support plate 4 17, and a warning light 2 36 is fixedly connected to the support rod 27, and the warning light 2 36 is provided with two groups. A connecting rod 33 is rotatably connected to the support plate 1 and the support plate 2, and a connecting tube 34 is fixedly connected to the support plate 1 and the support plate 2, and the connecting rod 33 is on the support plate There are two groups on the plate 1 and the support plate 2, respectively. The connecting rod 33 and the connecting tube 34 are set in opposite directions on the support plate 1 and the support plate 2, the sliding rod 3 21 is provided with 4 groups of cylinders, the sleeve 3 22 is provided with four groups, the bracket 23 is provided with 4 groups of cylinders, the support rod 27 is provided with 6 groups of bevel gears, the slider 2 28 is provided with several groups, the scissor rod 3 24 and the scissor rod 4 25 are provided with several groups, the slider 15 is provided with three groups, the support rod 18 is provided with three groups, the support plate 1 is U-shaped, the support plate 2 is U-shaped, the support plate 1 is provided with a slide groove, the support plate 2 is provided with a slide groove, the pull rope 26 runs through the support rod 27, the pull rope 16 runs through the support rod 18, and the motor 3 drives the cylinder 4 The bevel gear 15 on the support plate rotates, thereby driving the support plate 3 9 and the support plate 4 17 to slide in the support plate 1 and the support plate 2, so that the foldable safety guardrail can be lifted and lowered at different heights. The warning light 1 30 can be lifted and lowered synchronously according to the support plate 3 9 and the support plate 4 17. The warning light 1 30 and the warning light 2 36 are suitable for warning pedestrians passing by at night. Two groups of rotating wheels 32 are respectively provided under the support plate 1 and the support plate 2 2, which are suitable for movement in different positions and directions, and can be fixed downward by twisting the threaded support leg 31. Two groups of connecting rods 33 and connecting cylinders 34 are provided in opposite directions on the support plate 1 and the support plate 2 2, which are suitable for the horizontal and vertical connection of two foldable safety guardrails.

[0024] Working principle: The staff first pushes the support plate 1 and the support plate 2, and the support plate 1 and the support plate 2 move forward according to the two sets of rotating wheels 32 below. When they move to the required position, the staff pulls the support plate 1 and the support plate 2 in the opposite direction, and the support plate 1 and the support plate 2 can drive the scissor rod 4 25 to move according to the bracket 23 on the support plate 1 and the support plate 2. The sliding rod 3 21 on the support plate 1 and the support plate 2 drives the sleeve 3 22 to slide up and down, thereby driving the scissor rod 3 24 to move downward, and one end of the scissor rod 4 25 drives The slider 28 slides up and down in the slide groove of the support rod 27, thereby completing the extension to the left or right. The pull rope 16 and the pull rope 26 between the support plate 1 and the support plate 2 are limit ropes. When the pull rope 16 and the pull rope 26 are tightened, the maximum extension length is reached. At the same time, the slide bar 10 and the sleeve 11, the slide bar 2 19 and the sleeve 20, the scissor rod 2 13 and the bracket 14, the slider 15 and the support rod 18 between the support plate 1 and the support plate 2 are synchronously retracted according to the When the support plate 1 is retracted and moved to the required position, the two sets of threaded legs 31 on one side of the support plate 1 and the support plate 2 are screwed down to complete the fixation, and then the motor 3 on the support plate 1 is turned on, and the motor 3 drives the bevel gear 1 5 on the cylinder 1 4 to rotate, and the bevel gear 1 5 is meshed to drive the bevel gear 2 6 to rotate, and the bevel gear 2 6 drives the threaded rod 7 to rotate in the threaded sleeve 8, thereby driving the support plate 3 9 and the support plate 4 17 to slide in the support plate 1 and the support plate 2, so that the safety guardrail can be lifted and lowered to different heights. A warning light 236 is provided above the second pole 27, which is suitable for warning pedestrians to be safe at night. Two groups of reflective strips 29 are provided on the opposite sides of the support plate 1 and the support plate 2, which are suitable for warning vehicles passing by at night. Two groups of connecting rods 33 and connecting tubes 34 are provided in opposite directions on the support plate 1 and the support plate 2. When the length is not enough, a group of foldable safety guardrails can be added. According to the buckle of the connecting rods 33 and the connecting tubes 34 in opposite directions, it is suitable for the horizontal and vertical connection of two foldable safety guardrails.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A foldable safety guardrail for construction engineering, comprising a support plate (1), characterized in that: The support plate 1 (1) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a cylinder 1 (4), the cylinder 1 (4) is fixedly connected to a bevel gear 1 (5), a threaded rod (7) is rotatably connected inside the support plate 1 (1), a bevel gear 2 (6) is fixedly connected below the threaded rod (7), the bevel gear 1 (5) is meshed with the bevel gear 2 (6), a threaded sleeve (8) is threadedly connected to the threaded rod (7), a support plate 3 (9) is fixedly connected to the threaded sleeve (8), the support plate 3 (9) slides inside the support plate 1 (1), a sliding rod 1 (10) is fixedly connected to one side of the support plate 3 (9), a bracket 3 (35) is fixedly connected to the support plate 3 (9), a sleeve 1 (11) is slidably connected to the slide rod 1 (10), a scissor rod 1 (12) is rotatably connected to the sleeve 1 (11), the bracket 3 (35) is fixedly connected to the slide rod 1 (10), 5) is rotatably connected to a scissor rod 2 (13), the scissor rod 1 (12) is rotatably connected to the scissor rod 2 (13), one end of the scissor rod 1 (12) is rotatably connected to a support rod 1 (18), one end of the scissor rod 2 (13) is rotatably connected to a slider 1 (15), the slider 1 (15) slides in the support rod 1 (18), one end of the scissor rod 1 (12) is rotatably connected to a sleeve 2 (20), the scissor rod 2 One end of (13) is fixedly connected to a bracket one (14), the sleeve two (20) is slidably connected to a slide rod two (19), the slide rod two (19) is fixedly connected to a support plate four (17), the support plate four (17) is slidably connected to a support plate two (2), the bracket one (14) is below the support plate two (2), the support plate one (1) is fixedly connected to a pull rope two (26), and the pull rope two (26) is fixed to the support plate two (2).

2. A foldable safety guardrail for construction engineering according to claim 1, characterized in that: The support plate 1 (1) is fixedly connected with a slide bar 3 (21), the support plate 1 (1) is fixedly connected with a bracket 2 (23), the slide bar 3 (21) is slidably connected with a sleeve 3 (22), the sleeve 3 (22) is rotatably connected with a scissor rod 3 (24), the bracket 2 (23) is rotatably connected with a scissor rod 4 (25), the scissor rod 3 (24) is rotatably connected to the scissor rod 4 (25), the scissor rod 3 (24) is rotatably connected to the scissor rod 4 (25), the scissor rod 3 (2 4) is rotatably connected to a support rod 2 (27), one end of the scissor rod 4 (25) is rotatably connected to a slider 2 (28), the slider 2 (28) slides in the support rod 2 (27), the slide rod 3 (21) is fixed on the support plate 2 (2), the bracket 2 (23) is fixed on the support plate 2 (2), the support plate 3 (9) is fixedly connected to a pull rope 1 (16), and the pull rope 1 (16) is fixed on the support plate 4 (17).

3. A foldable safety guardrail for construction engineering according to claim 2, characterized in that: Rotating wheels (32) are respectively provided below the supporting plate 1 (1) and the supporting plate 2 (2), and the rotating wheels (32) are provided in four groups. A threaded leg (31) is threadedly connected to one side of the supporting plate 1 (1), and the threaded leg (31) is threadedly connected to the supporting plate 2 (2), and the threaded leg (31) is provided in four groups. A reflective strip (29) is provided on the supporting plate 1 (1), and the reflective strip (29) is provided on the supporting plate 2 (2), and the reflective strip (29) is provided in a plurality of groups.

4. A foldable safety guardrail for construction engineering according to claim 3, characterized in that: A warning light (30) is provided above each of the support plates (9) and (17), and a warning light (36) is fixedly connected to the support rod (27). The warning light (36) is provided in two groups.

5. A foldable safety guardrail for construction engineering according to claim 4, characterized in that: The support plate 1 (1) and the support plate 2 (2) are rotatably connected with a connecting rod (33), and the support plate 1 (1) and the support plate 2 (2) are fixedly connected with a connecting tube (34). Two groups of the connecting rod (33) are respectively provided on the support plate 1 (1) and the support plate 2 (2), and the connecting rod (33) and the connecting tube (34) are arranged in opposite directions on the support plate 1 (1) and the support plate 2 (2).

6. A foldable safety guardrail for construction engineering according to claim 5, characterized in that: The slide rod three (21) is provided with one (4) groups of cylinders, the sleeve three (22) is provided with four groups, the bracket two (23) is provided with one (4) group of cylinders, the support rod two (27) is provided with two (6) groups of bevel gears, the slider two (28) is provided with several groups, the scissor rod three (24) and the scissor rod four (25) are provided with several groups, the slider one (15) is provided with three groups, and the support rod one (18) is provided with three groups.

7. A foldable safety guardrail for construction engineering according to claim 6, characterized in that: The support plate one (1) is U-shaped, the support plate two (2) is U-shaped, a slide groove is provided in the support plate one (1), a slide groove is provided in the support plate two (2), the pull rope two (26) passes through the support rod two (27), and the pull rope one (16) passes through the support rod one (18).

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