Portable combined guardrail

Abstract

The utility model relates to the technical field of road protection, and discloses a portable combined guardrail which comprises a supporting frame, the bottom end of the supporting frame is fixedly connected with evenly-distributed hidden bins, the middle ends of the inner sides of the hidden bins are fixedly connected with supporting plates, the top ends of the supporting plates are fixedly connected with motors, the output ends of the motors are fixedly connected with threaded rods, and the threaded rods are fixedly connected with threaded rods. The outer side of the threaded rod is in threaded connection with a threaded sleeve, the bottom end of the threaded sleeve is fixedly connected with a universal wheel, and the threaded sleeve is connected with the hidden bin in a clamped mode. According to the multifunctional guardrail, the guardrail can be folded through the universal wheels after being moved to the position where the guardrail needs to be used, so that the stability of the guardrail is improved, meanwhile, due to the combination of the lifting function and the universal wheels, the guardrail is more multifunctional in different application scenes, the height can be adjusted according to needs, and the guardrail can be moved to a new position at any time; and the flexibility of the guardrail is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road protection, in particular to a lightweight combined guardrail. Background Art

[0002] Portable modular guardrails can be used as a traffic management tool in situations where it is necessary to temporarily change the direction of traffic or restrict access to certain areas, such as in road works, emergencies or special events, and in some situations where safety fences need to be set up quickly, such as accident sites, dangerous areas, etc., portable modular guardrails can provide a fast and reliable fencing solution.

[0003] After searching, the existing patent (Announcement No.: CN205259115U) discloses a mobile guardrail, including a guardrail body, fixed columns for fixing the guardrail are arranged on the left and right sides of the guardrail body, a connecting pipe for connecting the two fixed columns is arranged on the upper part of the guardrail body, a plurality of supporting poles for supporting are arranged in the middle of the guardrail body, a supporting cross bar is arranged at the lower part of the guardrail body, and a universal wheel for moving the guardrail body is arranged at the bottom end of the fixed column. The guardrail has a simple structure, can be moved, and can be used multiple times, so as to solve the technical problem that the guardrail in the prior art is difficult to disassemble and difficult to be used in a turnover manner.

[0004] However, during the actual use of the above solution, the guardrail is directly moved to the use position by the universal wheels. However, after moving to the use position, the universal wheels cannot be fixed, so that the guardrail may be displaced due to external contact during use, thereby affecting the use.

[0005] In view of this, the utility model proposes a lightweight combined guardrail. Utility Model Content

[0006] The utility model provides a lightweight combined guardrail, which solves the problem in the related art that the universal wheels cannot be stored.

[0007] The technical solution of the utility model is as follows: a lightweight combined guardrail, including a support frame, the bottom end of the support frame is fixedly connected with evenly distributed hidden bins, the middle end of the inner side of the hidden bin is fixedly connected with a support plate, the top end of the support plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, the outer side of the threaded rod is threadedly connected with a threaded sleeve, the bottom end of the threaded sleeve is fixedly connected with a universal wheel, and the threaded sleeve is snap-connected with the hidden bin.

[0008] Preferably, a limiting frame is fixedly connected to the top end of the support frame, and a connecting sleeve is fixedly connected to the inner side of the limiting frame.

[0009] Preferably, a connecting column that moves leftward and rightward is slidably connected to the inner side of the connecting sleeve, and a connecting block is fixedly connected to the outer side of the connecting column.

[0010] Preferably, the inner side of the connecting sleeve is slidably connected with uniformly distributed limiting balls, and the outer side of the connecting sleeve is slidably connected with a sliding sleeve.

[0011] Preferably, a spring that moves left and right is arranged on the outside of the connecting sleeve, and the right end of the spring is fixedly connected to the sliding sleeve.

[0012] Preferably, the outer side of the connection block is fixedly connected with front and rear opposing protective plates, and the inner side of the protective plates is provided with a connection frame.

[0013] Preferably, the inner end of the outer side of the protective plate is fixedly connected with left and right opposite sealing plates, the outer side of the sealing plate is fixedly connected with evenly distributed clamping rings, and the inner side of the right clamping ring is clamped and connected with a locking column.

[0014] Preferably, a support column is fixedly connected to the inner bottom end of the support frame.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. In the utility model, the motor drives the threaded rod to rotate, thereby controlling the threaded sleeve to be raised and lowered through the threaded rod, and the threaded sleeve is limited by the hidden compartment, and the threaded sleeve drives the universal wheel to be raised and lowered so that the universal wheel can be folded up, so that the guardrail can be folded up by the universal wheel after being moved to the position where it is needed, thereby increasing the stability of the guardrail. At the same time, the combination of the lifting function and the universal wheel makes the guardrail more versatile in different application scenarios, and the height can be adjusted as needed, and it can also be moved to a new position at any time, thereby improving the flexibility of the guardrail;

[0017] 2. In the utility model, the sliding sleeves on the left and right sides are moved left and right to control the engagement of the limit ball to achieve the engagement and fixation of the connecting column, so as to achieve the rapid disassembly of the connecting column and the connecting block, so that the protective plate can be quickly disassembled, which is convenient for subsequent maintenance and inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the inner structure of the protective plate of the utility model;

[0021] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 This is a schematic diagram of the structure of the connecting frame of the utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the connecting sleeve of the utility model;

[0024] Figure 6 It is a schematic diagram of the cross-sectional structure of the hidden compartment of the utility model.

[0025] In the figure: 1. support frame; 2. hidden compartment; 3. support plate; 4. motor; 5. threaded rod; 6. threaded sleeve; 7. universal wheel; 8. support column; 9. limit frame; 10. connecting sleeve; 11. connecting column; 12. connecting block; 13. limit ball; 14. spring; 15. sliding sleeve; 16. protective plate; 17. connecting frame; 18. sealing plate; 19. retaining ring; 20. locking column. DETAILED DESCRIPTION

[0026] The following will be combined with 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 of 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.

[0027] Example 1

[0028] A preferred embodiment of a light combined guardrail provided by the utility model is as follows Figures 1 to 6 As shown: a lightweight combined guardrail comprises a support frame 1, the bottom end of the support frame 1 is fixedly connected with a uniformly distributed hidden bin 2, the hidden bin 2 is fixed by the support frame 1, a support plate 3 is fixedly connected to the middle end of the inner side of the hidden bin 2, the support plate 3 is fixed by the hidden bin 2, a motor 4 is fixedly connected to the top of the support plate 3, the motor 4 is supported and fixed by the support plate 3, a threaded rod 5 is fixedly connected to the output end of the motor 4, the threaded rod 5 is driven to rotate by the motor 4, a threaded sleeve 6 is threadedly connected to the outer side of the threaded rod 5, the threaded sleeve 6 is driven to rise and fall by the threaded rod 5, a universal wheel 7 is fixedly connected to the bottom end of the threaded sleeve 6, the universal wheel 7 is driven to rise and fall by the threaded sleeve 6, the threaded sleeve 6 is engaged with the hidden bin 2, the threaded sleeve 6 is limited by the hidden bin 2 to prevent the threaded sleeve 6 from rotating with the threaded rod 5.

[0029] Example 2

[0030] Based on Example 1, a preferred embodiment of a portable combined guardrail provided by the present invention is as follows: Figures 1 to 6 As shown: the top of the support frame 1 is fixedly connected to a limiting frame 9, the limiting frame 9 is fixed by the support frame 1, the inner side of the limiting frame 9 is fixedly connected to a connecting sleeve 10, and the connecting sleeve 10 is supported by the limiting frame 9.

[0031] In this embodiment, a connecting column 11 that moves left and right is slidably connected to the inner side of the connecting sleeve 10 , and a connecting block 12 is fixedly connected to the outer side of the connecting column 11 , and the connecting block 12 is fixed by the connecting column 11 .

[0032] In this embodiment, the inner side of the connecting sleeve 10 is slidably connected with uniformly distributed limiting balls 13 , and the limiting balls 13 are limited by the connecting sleeve 10 . The outer side of the connecting sleeve 10 is slidably connected with a sliding sleeve 15 .

[0033] In this embodiment, a spring 14 that moves left and right is provided on the outside of the connecting sleeve 10. The spring 14 is fixed by the connecting sleeve 10. The right end of the spring 14 is fixedly connected to the sliding sleeve 15. The sliding sleeve 15 is pushed outward by the spring 14 with the connecting sleeve 10 as the stress point.

[0034] In this embodiment, the outer side of the connecting block 12 is fixedly connected with front and rear opposing protective plates 16 , and the inner side of the protective plates 16 is provided with a connecting frame 17 . The protective plates 16 are connected by the connecting block 12 , and supported by the connecting frame 17 .

[0035] In this embodiment, the inner end of the outer side of the protective plate 16 is fixedly connected with left and right opposite sealing plates 18, and the sealing plates 18 on both sides are fixed by the protective plate 16 on one side. The outer side of the sealing plate 18 is fixedly connected with evenly distributed clamping rings 19, and the clamping rings 19 are fixed by the sealing plate 18. The inner side of the right clamping ring 19 is clamped and connected with a clamping column 20, and the clamping rings 19 on both sides are clamped and fixed at the same time by the clamping column 20 on one side, so that the two guardrails can be quickly connected.

[0036] In this embodiment, a support column 8 is fixedly connected to the inner bottom end of the support frame 1, and the support frame 1 is fixed at a specific position through the support column 8.

[0037] The working principle and use process of the utility model are as follows: when the portable combined guardrail is moved, the motor 4 is first used to drive the threaded rod 5 to rotate, so that the threaded sleeve 6 is controlled to be raised and lowered by the threaded rod 5, and the universal wheel 7 is driven to be raised and lowered by the threaded sleeve 6, so as to facilitate the movement of the guardrail. After the movement is completed, the motor 4 is used to drive the threaded rod 5 to rotate in the opposite direction, so that the threaded sleeve 6 and the universal wheel 7 can be retracted, so as to fix the guardrail, thereby increasing the stability of the device. When the protective plate 16 needs to be disassembled for maintenance and repair of the guardrail, it is only necessary to pull the sliding sleeve 15 inward to cancel the limit ball 13 is engaged and fixed, and the connecting column 11 can be pulled out of the connecting sleeve 10, thereby canceling the engagement and fixing of the connecting column 11 and the connecting block 12, and the protective plate 16 can be quickly removed. Then, after the inspection or maintenance is completed, the connecting column 11 is reinserted into the connecting sleeve 10, and then the sliding sleeve 15 is released. The sliding sleeve 15 is pushed outward with the connecting sleeve 10 as the stress point through the spring 14, and the limiting ball 13 is squeezed, forcing the limiting ball 13 to move inward and engage with the groove on the outer wall of the connecting column 11, so as to fix the connecting column 11, and thus the connecting block 12 and the protective plate 16 are fixed at the same time through the connecting column 11.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 lightweight combined guardrail, comprising a support frame (1), characterized in that: The bottom end of the support frame (1) is fixedly connected to evenly distributed hidden bins (2), the middle end of the inner side of the hidden bin (2) is fixedly connected to a support plate (3), the top end of the support plate (3) is fixedly connected to a motor (4), the output end of the motor (4) is fixedly connected to a threaded rod (5), the outer side of the threaded rod (5) is threadedly connected to a threaded sleeve (6), the bottom end of the threaded sleeve (6) is fixedly connected to a universal wheel (7), and the threaded sleeve (6) is snap-fitted and connected to the hidden bin (2).

2. A lightweight combined guardrail according to claim 1, characterized in that: The top end of the support frame (1) is fixedly connected to a limiting frame (9), and the inner side of the limiting frame (9) is fixedly connected to a connecting sleeve (10).

3. A lightweight combined guardrail according to claim 2, characterized in that: The inner side of the connecting sleeve (10) is slidably connected to a connecting column (11) that moves leftward and rightward, and the outer side of the connecting column (11) is fixedly connected to a connecting block (12).

4. A portable combined guardrail according to claim 2, characterized in that: The inner side of the connecting sleeve (10) is slidably connected to uniformly distributed limiting balls (13), and the outer side of the connecting sleeve (10) is slidably connected to a sliding sleeve (15).

5. A portable combined guardrail according to claim 2, characterized in that: A spring (14) that moves left and right is arranged on the outside of the connecting sleeve (10), and the right end of the spring (14) is fixedly connected to the sliding sleeve (15).

6. A portable combined guardrail according to claim 3, characterized in that: Front and rear opposing protective plates (16) are fixedly connected to the outer side of the connection block (12), and a connection frame (17) is arranged on the inner side of the protective plate (16).

7. A portable combined guardrail according to claim 6, characterized in that: The inner end of the outer side of the protection plate (16) is fixedly connected to a sealing plate (18) opposite to the left and right. The outer side of the sealing plate (18) is fixedly connected to evenly distributed clamping rings (19). The inner side of the right clamping ring (19) is clamped and connected to a clamping column (20).

8. The portable combined guardrail according to claim 1, characterized in that: A support column (8) is fixedly connected to the inner bottom end of the support frame (1).

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