Construction safety guardrail

Abstract

The utility model discloses a construction safety guardrail, and relates to the technical field of guardrails. The construction safety guardrail comprises a baffle, a stretching mechanism and a positioning mechanism, two sets of sliding plates distributed left and right are arranged on the baffle, transverse blocks and protection plates are arranged on the sliding plates, positioning holes are formed in the tops of the protection plates, the stretching mechanism is arranged on the baffle and the sliding plates, and the stretching mechanism comprises a lead screw and sliding blocks fixedly installed at the tops of the protection plates. The outer wall of the lead screw is sleeved with the sliding block in a threaded mode, and the positioning mechanism is arranged on the transverse block and the protection plate. According to the construction safety guardrail, on one hand, the two sets of sliding plates can be conveniently adjusted to move outwards, the protection range of the guardrail can be expanded after movement, the area of the guardrail is small if the sliding plates do not move, and the guardrail is convenient to transfer, and on the other hand, the angle of the protection plates can be conveniently adjusted and positioned, so that the whole guardrail can form a U shape or the protection range of the guardrail can be continuously expanded. The guardrail is suitable for various construction requirements, and the maneuverability and practicability of the guardrail are improved.

Description

Technical Field

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

[0002] A road construction safety guardrail with publication number CN219342968U comprises a load-bearing base, ground cones are arranged on the left and right sides of the load-bearing base, a mounting column one is connected to the top of the load-bearing base, a reflective strip is arranged on the outer surface of the mounting column one, a warning light is arranged on the top of the mounting column one, a protective plate is connected to the left side of the mounting column one, a canopy is installed on the top of the mounting column one, a mounting column two is connected to the right side of the protective plate, a battery is arranged on the rear side of the mounting column two, and a warning box is connected to the left side of the mounting column two. In the utility model, the structure of a PLC controller, an infrared sensor, a warning light and a warning sign is utilized to realize accurate reminders to passers-by and vehicles to detour the construction site during daily use, and the structure of a canopy, a rain gutter and a downpipe is utilized to realize the problem of the device being directly in contact with rainwater and being damaged by rainwater during use being reduced.

[0003] The above-mentioned road construction safety guardrail can only be used to achieve the effect by combining multiple guardrails when the protection range needs to be expanded during the construction process, which causes inconvenience in use. Therefore, it can be improved. Utility Model Content

[0004] The utility model aims to provide a construction safety guardrail, which can solve the problem that when the protection range needs to be expanded during the construction process, only multiple groups of guardrails can be used to achieve the effect, causing inconvenience in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction safety guardrail, including a baffle, an extension mechanism and a positioning mechanism, the baffle is provided with two groups of slide plates distributed on the left and right, the slide plate is provided with a cross block and a guard plate, the top of the guard plate is provided with a positioning hole, the extension mechanism is arranged on the baffle and the slide plate, the extension mechanism includes a screw rod and a slider fixedly installed on the top of the guard plate, the slider is threadedly sleeved on the outer wall of the screw rod, the positioning mechanism is arranged on the cross block and the guard plate, and the positioning mechanism includes an insertion rod inserted in the positioning hole.

[0006] Preferably, a support column is fixedly installed at the bottom of the guard plate, and a roller is rotatably connected to the bottom of the support column, so that the guard plate has a supporting effect.

[0007] Preferably, the baffle is provided with a limited opening and the slide plate is slidably installed therein, the number of the cross blocks is two groups and they are fixed on the front side of the slide plate in an up-and-down distributed state, and the guard plate is rotatably installed between the two groups of cross blocks.

[0008] Preferably, two groups of support seats distributed on the left and right are fixedly installed on the bottom of the baffle, and anti-slip grooves are provided on the bottom of the support seats to make the support seats more stable.

[0009] Preferably, the baffle is provided with two groups of slots distributed left and right, the slots are connected to the limit openings, the slider is slidably installed in the slots, the screw rod is rotatably installed in the slots, and the thread directions of the two groups of screw rods are opposite.

[0010] Preferably, the extension mechanism also includes a vertical rod, a horizontal rod, a bevel gear and a knob. A transmission groove, a hole and a round hole are opened on the baffle. The vertical rod is rotatably installed on the inner bottom of the transmission groove. One end of the vertical rod passes through the round hole and is fixedly connected to the knob. The horizontal rod is located in the hole. There are three groups of bevel gears and they are all rotatably installed on the inner wall of the transmission groove. The bevel gears in the middle are respectively meshed with the other two groups of bevel gears and fixedly installed on the outer wall of the vertical rod. The two ends of the horizontal rod are respectively fixedly connected to the screw rod and the bevel gear.

[0011] Preferably, the positioning mechanism also includes a box body, a cross plate, a spring, a pull rod and a pull ring. The number of positioning holes is twelve groups and they are equidistantly distributed in a ring shape. The box body is fixedly installed on the top of the cross block, the cross plate is slidably installed inside the box body, the spring is fixedly installed between the cross plate and the inside of the box body, the insertion rod passes through the positioning mechanism and is fixedly connected to the cross plate, a socket through which the insertion rod can pass is provided on the cross block, one end of the pull rod passes through the box body and is fixedly connected to the cross plate, and the pull ring is fixedly installed on the outer wall of the pull rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The construction safety guardrail, through the coordinated use of cross blocks, sliders, screw rods, vertical rods, cross bars, bevel gears, knobs, boxes, cross plates, springs, pull rods, pull rings and plug rods, is easy to adjust the two sets of slide plates to move outward, which can expand the protection range of the guardrail after movement, while the area of ​​the guardrail will be smaller if it is not moved, making the guardrail easy to transport. On the other hand, it is easy to adjust and position the angle of the guard plate so that the guardrail can form a U-shape as a whole or continue to expand its protection range. It is suitable for various construction needs and improves the mobility and practicality of the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 3 It is an enlarged view of part A of the utility model;

[0017] Figure 4 It is an enlarged view of part B of the present utility model.

[0018] Attached figures: 1. baffle; 2. slide plate; 3. cross block; 4. guard plate; 5. extension mechanism; 51. slider; 52. screw rod; 53. vertical rod; 54. cross rod; 55. bevel gear; 56. knob; 6. positioning mechanism; 61. box body; 62. cross plate; 63. spring; 64. pull rod; 65. pull ring; 66. plug rod; 7. support seat; 8. support column; 9. roller. DETAILED DESCRIPTION

[0019] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] See also Figure 1-4 The utility model provides a technical solution: a construction safety guardrail, including a baffle 1, an extension mechanism 5 and a positioning mechanism 6, the baffle 1 is provided with two groups of slide plates 2 distributed left and right, the slide plate 2 is provided with a cross block 3 and a guard plate 4, the top of the guard plate 4 is provided with a positioning hole, the extension mechanism 5 is arranged on the baffle 1 and the slide plate 2, the extension mechanism 5 includes a screw rod 52 and a slider 51 fixedly installed on the top of the guard plate 4, the slider 51 is threadedly sleeved on the outer wall of the screw rod 52, the positioning mechanism 6 is arranged on the cross block 3 and the guard plate 4, and the positioning mechanism 6 includes an insertion rod 66 inserted in the positioning hole.

[0021] A support column 8 is fixedly installed at the bottom of the guard plate 4, and a roller 9 is rotatably connected to the bottom of the support column 8. A limited position opening is opened on the baffle 1 and the skateboard 2 is slidably installed therein. There are two groups of cross blocks 3 which are fixed on the front side of the skateboard 2 in an up-and-down distributed state. The guard plate 4 is rotatably installed between the two groups of cross blocks 3. Two groups of support seats 7 are fixedly installed on the bottom of the baffle 1 and are distributed left and right. The bottom of the support seats 7 is provided with anti-slip grooves.

[0022] The baffle plate 1 is provided with two groups of slots distributed left and right, the slots are connected with the limit openings, the slider 51 is slidably installed in the slots, the screw rod 52 is rotatably installed in the slots, the thread directions of the two groups of screw rods 52 are opposite, the extension mechanism 5 also includes a vertical rod 53, a horizontal rod 54, a bevel gear 55 and a knob 56, the baffle plate 1 is provided with a transmission groove, a hole and a round hole, the vertical rod 53 is rotatably installed at the inner bottom of the transmission groove, one end of the vertical rod 53 passes through the round hole and is fixedly connected to the knob 56, the horizontal rod 54 is located in the hole, the number of bevel gears 55 is three and all are rotatably installed The bevel gear 55 is arranged on the inner wall of the transmission groove, and the bevel gear 55 in the middle is meshed with the other two groups of bevel gears 55 respectively. The bevel gear 55 in the middle is fixedly installed on the outer wall of the vertical rod 53. The two ends of the horizontal rod 54 are fixedly connected with the screw rod 52 and the bevel gear 55 respectively. The positioning mechanism 6 also includes a box body 61, a horizontal plate 62, a spring 63, a pull rod 64 and a pull ring 65. The number of positioning holes is twelve groups and they are distributed in an annular manner with equal spacing. The box body 61 is fixedly installed on the top of the horizontal block 3, the horizontal plate 62 is slidably installed inside the box body 61, and the spring 63 is fixedly installed on the horizontal plate 62. The insert rod 66 passes through the positioning mechanism 6 and is fixedly connected to the cross plate 62 between the inside of the box body 61, and a hole is provided on the cross block 3 for the insert rod 66 to pass through. One end of the pull rod 64 passes through the box body 61 and is fixedly connected to the cross plate 62. The pull ring 65 is fixedly installed on the outer wall of the pull rod 64. The knob 56 is held by hand to rotate the vertical rod 53, and then the rotation of the two groups of cross rods 54 is driven respectively through the three groups of bevel gears 55, and then the rotation of the screw rod 52 is driven, and then the movement of the slider 51 and the slide plate 2 is driven, and then the pull ring 65 is held by hand to pull the pull rod 64 and the cross plate 62 to The guard plate 4 is moved upward, and the cross plate 62 pulls the insertion rod 66 out of one group of positioning holes, and then the guard plate 4 is rotated. After rotating a certain angle, the pull ring 65 is loosened, and the guard plate 4 is continued to be rotated. After the insertion rod 66 is automatically inserted into another group of positioning holes, on the one hand, it is convenient to adjust the two groups of slide plates 2 to move outward. After moving, the protection range of the guardrail can be expanded. If it does not move, the area of ​​the guardrail will be smaller, making the guardrail easy to transport. On the other hand, it is convenient to adjust and position the angle of the guard plate 4, so that the guardrail can form a U-shape as a whole or continue to expand its protection range, which is suitable for various construction needs.

[0023] Working principle: hold the knob 56 to rotate the vertical rod 53, and then drive the two groups of horizontal rods 54 to rotate through the three groups of bevel gears 55, and then drive the screw rod 52 to rotate, and then drive the two sliders 51 and the slide plate 2 to move away from each other, so that the slide plate 2 slides out from the left and right sides of the baffle 1. After determining the position of the slide plate 2, stop turning the knob 56, and hold the pull ring 65 to pull the pull rod 64 and the horizontal plate 62 to move upward, and the horizontal plate 62 pulls the insertion rod 66 out of one of the groups of positioning holes, and then turn the rotation of the guard plate 4. After rotating a certain angle, release the pull ring 65, and continue to turn the guard plate 4 to rotate an angle, and then the insertion rod 66 is automatically inserted into the other group of positioning holes.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A construction safety guardrail, characterized in that: include: A baffle (1) is provided with two groups of slide plates (2) distributed on the left and right, a horizontal block (3) and a guard plate (4) are provided on the slide plate (2), and a positioning hole is provided on the top of the guard plate (4); An extension mechanism (5) is arranged on the baffle (1) and the slide plate (2), the extension mechanism (5) comprising a screw rod (52) and a slider (51) fixedly mounted on the top of the guard plate (4), the slider (51) being threadedly sleeved on the outer wall of the screw rod (52); A positioning mechanism (6) is arranged on the transverse block (3) and the guard plate (4), and the positioning mechanism (6) comprises an insertion rod (66) inserted into the positioning hole.

2. A construction safety guardrail according to claim 1, characterized in that: A support column (8) is fixedly mounted on the bottom of the guard plate (4), and a roller (9) is rotatably connected to the bottom of the support column (8).

3. A construction safety guardrail according to claim 1, characterized in that: The baffle plate (1) is provided with a limited position opening and the slide plate (2) is slidably installed therein; the number of the transverse blocks (3) is two groups and they are fixed on the front side of the slide plate (2) in an up-and-down distributed state; the guard plate (4) is rotatably installed between the two groups of transverse blocks (3).

4. A construction safety guardrail according to claim 3, characterized in that: Two groups of support seats (7) distributed on the left and right are fixedly mounted on the bottom of the baffle (1), and anti-slip grooves are provided on the bottom of the support seats (7).

5. A construction safety guardrail according to claim 4, characterized in that: The baffle (1) is provided with two groups of slots distributed in the left and right directions, the slots are connected to the limit openings, the sliders (51) are slidably installed in the slots, the screw rods (52) are rotatably installed in the slots, and the thread directions of the two groups of screw rods (52) are opposite.

6. A construction safety guardrail according to claim 1, characterized in that: The extension mechanism (5) further comprises a vertical rod (53), a horizontal rod (54), a bevel gear (55) and a knob (56). A transmission groove, a hole and a round hole are provided on the baffle (1). The vertical rod (53) is rotatably mounted on the inner bottom of the transmission groove. One end of the vertical rod (53) passes through the round hole and is fixedly connected to the knob (56). The horizontal rod (54) is located in the hole. There are three groups of bevel gears (55) which are rotatably mounted on the inner wall of the transmission groove. The bevel gear (55) located in the middle is respectively meshed with the other two groups of bevel gears (55) and fixedly mounted on the outer wall of the vertical rod (53). The two ends of the horizontal rod (54) are respectively fixedly connected to the screw rod (52) and the bevel gear (55).

7. A construction safety guardrail according to claim 1, characterized in that: The positioning mechanism (6) also includes a box body (61), a cross plate (62), a spring (63), a pull rod (64) and a pull ring (65). The number of positioning holes is twelve groups and they are equidistantly distributed in a ring shape. The box body (61) is fixedly installed on the top of the cross block (3). The cross plate (62) is slidably installed inside the box body (61). The spring (63) is fixedly installed between the cross plate (62) and the inside of the box body (61). The insertion rod (66) passes through the positioning mechanism (6) and is fixedly connected to the cross plate (62). The cross block (3) is provided with a hole through which the insertion rod (66) can pass. One end of the pull rod (64) passes through the box body (61) and is fixedly connected to the cross plate (62). The pull ring (65) is fixedly installed on the outer wall of the pull rod (64).

Images