A safety protection device for construction near existing lines

Abstract

The utility model relates to a safety protection device for construction near existing lines, belonging to the technical field of viaducts, including four columns, three fixing rods fixedly connected between two adjacent columns, a support rod fixedly connected between two adjacent fixing rods, a support plate placed between the side surfaces of two columns located in the same plane close to the fixing rods, a plurality of connecting columns fixedly connected between the top surfaces of the two supporting plates, and a protective plate fixedly connected between the top surfaces of the plurality of connecting columns. The safety protection device for construction near existing lines adopts a cantilever setting, which reduces project material and labor costs, safety risks of being hit by vehicles and use costs compared to traditional floor-standing protective sheds, and provides a physical barrier to existing lines through the action of the protective plate, preventing objects from falling onto existing elevated lines during construction of viaducts, building construction and overpasses, thereby posing a danger to train operation.

Description

Technical Field

[0001] The utility model relates to the technical field of viaducts, in particular to a safety protection device for construction near existing lines. Background Art

[0002] A viaduct is a type of bridge, generally referring to a bridge that crosses a deep ravine instead of a high embankment, and a bridge that crosses a road in an urban area. It is supported by high-supported towers or pillars. After urban development, traffic is congested, buildings are dense, and streets are difficult to widen. The use of this type of bridge can disperse traffic density and improve transportation efficiency.

[0003] During the construction of viaducts, it is often necessary to carry out operations above or on the side of existing bridges. At this time, measures are often needed to protect the existing lines. Except for a few extreme cases of road closures, most of them use hanging baskets and protective covers to prevent falling objects from high altitudes. Most of the existing protective covers are protective sheds, which have high use costs and increase safety risks. Therefore, a safety protection device for construction near existing lines is proposed to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a safety protection device for construction near existing lines, which has the advantages of reducing use costs and installation risks, and solves the problem that most of the existing protective covers are protective sheds, which have high use costs and increase safety risks.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a safety protection device for construction near an existing line, comprising four columns, three fixing rods fixedly connected between two adjacent columns, and a support rod fixedly connected between two adjacent fixing rods.

[0006] A support plate is placed between the two columns located in the same plane and close to the side surface of the fixed rod, a plurality of connecting columns are fixedly connected between the top surfaces of the two support plates, a protective plate is fixedly connected between the top surfaces of the plurality of connecting columns, a make way groove is opened on the top surface of the protective plate, and a lightning rod is fixedly connected to the top surface of the protective plate.

[0007] An adjustment component is provided between the two upright posts located on the same plane for adjusting the height of the protective plate.

[0008] The two upright posts on the left side are both provided with fixing components for fixing the adjusting components.

[0009] Furthermore, the two support plates and the protective plate are arc-shaped plates, and the support rod is X-shaped.

[0010] Further, the adjusting assembly includes a slide plate, which is fixedly connected to the bottom surface of the supporting plate, a slide groove is provided on the back side of the column on the right side, and the slide plate extends to the inside of the slide groove, a fixing groove is provided on the back side of the column on the left side, and a connecting groove is provided on the back side of the column on the left side, the inside of the connecting groove is movably connected through a bearing to a driving rod with one end passing through the connecting groove and extending to the inside of the fixing groove, the bottom surface of the supporting plate is fixedly connected to a linkage plate with one end extending to the inside of the fixing groove, and the bottom surface of the linkage plate is fixedly connected to a screw with one end extending to the inside of the driving rod.

[0011] Furthermore, the slide plate is a Z-shaped plate, the slide plate is slidably connected to the slide groove, the linkage plate is slidably connected to the fixed groove, and the connecting groove is located at the bottom of the fixed groove.

[0012] Furthermore, the driving rod is rotatably connected via a bearing and a fixing groove, a threaded hole is provided on the top surface of the driving rod, and the screw rod extends into the inside of the threaded hole and is threadedly connected thereto.

[0013] Further, the fixing assembly includes a telescopic rod, which is fixedly connected to the inside of the connecting groove, the top surface of the telescopic rod is fixedly connected to a clamping plate, the top surface of the clamping plate is fixedly connected to two positioning rods, the bottom surface of the driving rod is fixedly connected to a limiting plate, the bottom surface of the limiting plate is provided with two positioning holes, the two positioning rods extend to the inside of the two positioning holes respectively, the outer peripheral wall of the telescopic rod is provided with springs fixedly connected to the clamping plate and the connecting groove respectively, the back side of the clamping plate is fixedly connected to a pull plate, and the left and right sides of the clamping plate are fixedly connected to rubber pads.

[0014] Furthermore, the limit plate and the clamping plate are fitted together, the positioning rod and the positioning hole are clearance-matched, and the rubber pad and the connecting groove are fitted together.

[0015] Furthermore, the telescopic rod is composed of a sleeve and a moving rod, one end of the moving rod penetrates and extends into the interior of the sleeve, the outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and one side of the sleeve is provided with a through hole adapted to the moving rod.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] 1. The safety protection device for construction near existing lines adopts a cantilever setting. Compared with the traditional ground-type protective shed, it reduces the project material and labor costs, reduces the safety risk of being hit by vehicles and the use cost. Through the action of the protective plate, it provides a physical barrier for the existing line to prevent objects from falling onto the existing elevated line during the construction of elevated, building and overpass, causing danger to the train operation;

[0018] 2. This safety protection device for construction near existing lines reduces the risk of lightning damage to lines, equipment and passengers through the action of lightning rods, ensuring the safety, stability and reliability of subway operations. The height of the protective plate can be easily adjusted through the threaded connection between the screw and the drive rod. At the same time, the drive rod is fixed through the clearance fit between the positioning rod and the positioning hole to improve the stability of the driving rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the right side of the structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the back side of the connecting groove in the structure of the utility model;

[0022] Figure 4 for Figure 3 A is a magnified schematic diagram of the structure;

[0023] Figure 5 It is a three-dimensional schematic diagram of the slide plate in the structure of the utility model.

[0024] In the figure: 1 column, 2 support plate, 3 protection plate, 4 connecting column, 5 give way groove, 6 fixed rod, 7 support rod, 8 slide plate, 9 slide groove, 10 fixed groove, 11 driving rod, 12 screw rod, 13 linkage plate, 14 connecting groove, 15 rubber pad, 16 card plate, 17 positioning hole, 18 limit plate, 19 positioning rod, 20 pull plate, 21 telescopic rod, 22 spring, 23 lightning rod. DETAILED DESCRIPTION

[0025] 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.

[0026] Example 1: Please refer to Figures 1 to 5 In this embodiment, a safety protection device for construction near an existing line includes four columns 1, three fixing rods 6 are fixedly connected between two adjacent columns 1, and a support rod 7 is fixedly connected between two adjacent fixing rods 6.

[0027] A support plate 2 is placed between two columns 1 located in the same plane and on one side close to the fixed rod 6, a plurality of connecting columns 4 are fixedly connected between the top surfaces of the two support plates 2, a protective plate 3 is fixedly connected between the top surfaces of the plurality of connecting columns 4, a clearance groove 5 is opened on the top surface of the protective plate 3, and a lightning rod 23 is fixedly connected to the top surface of the protective plate 3.

[0028] The two support plates 2 and the protection plate 3 are arc-shaped plates, and the support rod 7 is X-shaped.

[0029] Specifically, through the action of the protective plate 3, a physical barrier is provided for the existing line, through the action of the support rod 7, the column 1 is supported to improve the stability of the protective plate 3, and through the action of the lightning rod 23, the risk of damage to the line, equipment and passengers by lightning is reduced, ensuring the safety, stability and reliability of the subway operation.

[0030] Example 2: Please refer to Figures 1 to 5 In this embodiment, on the basis of the first embodiment, an adjustment component is provided between two columns 1 located in the same plane, and the adjustment component includes a slide plate 8, which is fixedly connected to the bottom surface of the support plate 2. A slide groove 9 is provided on the back of the column 1 on the right, and the slide plate 8 extends to the inside of the slide groove 9. A fixing groove 10 is provided on the back of the column 1 on the left, and a connecting groove 14 is provided on the back of the column 1 on the left. The inside of the connecting groove 14 is movably connected to a driving rod 11 with one end penetrating the connecting groove 14 and extending to the inside of the fixing groove 10 through a bearing. The bottom surface of the support plate 2 is fixedly connected to a linkage plate 13 with one end extending to the inside of the fixing groove 10, and the bottom surface of the linkage plate 13 is fixedly connected to a screw 12 with one end extending to the inside of the driving rod 11.

[0031] Among them, the slide plate 8 is a Z-shaped plate, the slide plate 8 and the slide groove 9 are slidingly connected, the linkage plate 13 and the fixed groove 10 are slidingly connected, the connecting groove 14 is located at the bottom of the fixed groove 10, the driving rod 11 is rotatably connected to the fixed groove 10 through a bearing, and a threaded hole is opened on the top surface of the driving rod 11, and the screw 12 extends to the inside of the threaded hole and is threadedly connected thereto.

[0032] Specifically, the driving rod 11 is turned, and the driving rod 11 rotates. Through the threaded connection between the driving rod 11 and the screw rod 12 and the sliding connection between the slide plate 8 and the slide groove 9, the screw rod 12 drives the linkage plate 13 to move, thereby adjusting the height of the protective plate 3.

[0033] Example 3: Please refer to Figures 1 to 5In this embodiment, on the basis of the first and second embodiments, the two upright columns 1 on the left are both provided with a fixing assembly, the fixing assembly comprising a telescopic rod 21, the telescopic rod 21 is fixedly connected to the inside of the connecting groove 14, the top surface of the telescopic rod 21 is fixedly connected to a card plate 16, the top surface of the card plate 16 is fixedly connected to two positioning rods 19, the bottom surface of the driving rod 11 is fixedly connected to a limiting plate 18, the bottom surface of the limiting plate 18 is provided with two positioning holes 17, the two positioning rods 19 extend to the inside of the two positioning holes 17 respectively, the outer peripheral wall of the telescopic rod 21 is provided with a spring 22 fixedly connected to the card plate 16 and the connecting groove 14 respectively, the back side of the card plate 16 is fixedly connected to a pull plate 20, and the left and right sides of the card plate 16 are fixedly connected to rubber pads 15.

[0034] Among them, the limit plate 18 and the clamping plate 16 are fitted, the positioning rod 19 and the positioning hole 17 are clearance-matched, the rubber pad 15 and the connecting groove 14 are fitted, and the telescopic rod 21 is composed of a sleeve and a moving rod. One end of the moving rod passes through and extends to the interior of the sleeve, and the outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and a through hole matching the moving rod is opened on one side of the sleeve.

[0035] Specifically, pull the pull plate 20 so that the pull plate 20 drives the card plate 16 to move, and then moves the positioning rod 19 so that the positioning rod 19 is disengaged from the positioning hole 17. After the adjustment is completed, the positioning rod 19 and the positioning hole 17 are located on the same center line. Loosen the pull plate 20, and under the action of the spring 22, push the positioning rod 19 to reset. The positioning rod 19 is inserted into the interior of the positioning hole 17, and the drive rod 11 is fixed by the clearance fit between the positioning rod 19 and the positioning hole 17.

[0036] The working principle of the above embodiment is:

[0037] Pull the pull plate 20, so that the pull plate 20 drives the card plate 16 to move, and then the positioning rod 19 moves, so that the positioning rod 19 is separated from the positioning hole 17, and the card plate 16 moves to squeeze the telescopic rod 21 and the spring 22, so that the telescopic rod 21 and the spring 22 are contracted, and the driving rod 11 is turned. The driving rod 11 rotates, and the screw 12 drives the linkage plate 13 to move through the threaded connection between the driving rod 11 and the screw 12 and the sliding connection between the slide plate 8 and the slide groove 9, so that the height of the protective plate 3 is adjusted. After the adjustment is completed, the positioning rod 19 and the positioning hole 17 are in the same position. On the same center line, loosen the pull plate 20, and push the positioning rod 19 to reset under the action of the spring 22. The positioning rod 19 is inserted into the positioning hole 17, and the driving rod 11 is fixed through the clearance fit between the positioning rod 19 and the positioning hole 17. Through the action of the protective plate 3, a physical barrier is provided for the existing line. Through the action of the support rod 7, the column 1 is supported to improve the stability of the protective plate 3. Through the action of the lightning rod 23, the risk of damage to the line, equipment and passengers by lightning is reduced, ensuring the safety, stability and reliability of the subway operation.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety protection device for construction near an existing line, comprising four columns (1), characterized in that: Three fixing rods (6) are fixedly connected between two adjacent columns (1), and a supporting rod (7) is fixedly connected between two adjacent fixing rods (6); A support plate (2) is placed between one side of two uprights (1) located in the same plane and close to the fixing rod (6); a plurality of connecting columns (4) are fixedly connected between the top surfaces of the two support plates (2); a protective plate (3) is fixedly connected between the top surfaces of the plurality of connecting columns (4); a clearance groove (5) is provided on the top surface of the protective plate (3); and a lightning rod (23) is fixedly connected to the top surface of the protective plate (3); An adjustment component is provided between the two upright posts (1) located on the same plane, and a fixing component is provided on each of the two upright posts (1) located on the left side.

2. A safety protection device for construction near an existing line according to claim 1, characterized in that: The two support plates (2) and the protection plate (3) are both arc-shaped plates, and the support rod (7) is X-shaped.

3. The safety protection device for construction near an existing line according to claim 1, characterized in that: The adjustment assembly comprises a slide plate (8), wherein the slide plate (8) is fixedly connected to the bottom surface of the support plate (2); a slide groove (9) is provided on the back of the column (1) on the right side, and the slide plate (8) extends into the inside of the slide groove (9); a fixing groove (10) is provided on the back of the column (1) on the left side; a connecting groove (14) is provided on the back of the column (1) on the left side; a driving rod (11) having one end penetrating the connecting groove (14) and extending into the inside of the fixing groove (10) is movably connected inside the connecting groove (14) through a bearing; a linkage plate (13) having one end extending into the inside of the fixing groove (10) is fixedly connected to the bottom surface of the support plate (2); and a screw rod (12) having one end extending into the inside of the driving rod (11) is fixedly connected to the bottom surface of the linkage plate (13).

4. The safety protection device for construction near an existing line according to claim 3, characterized in that: The slide plate (8) is a Z-shaped plate, the slide plate (8) and the slide groove (9) are slidably connected, the linkage plate (13) and the fixed groove (10) are slidably connected, and the connecting groove (14) is located at the bottom of the fixed groove (10).

5. The safety protection device for construction near existing lines according to claim 4 is characterized in that: The driving rod (11) is rotatably connected via a bearing and a fixing groove (10); a threaded hole is provided on the top surface of the driving rod (11); and the screw rod (12) extends into the inside of the threaded hole and is threadably connected thereto.

6. The safety protection device for construction near existing lines according to claim 3 is characterized by: The fixing assembly comprises a telescopic rod (21), wherein the telescopic rod (21) is fixedly connected to the inside of the connecting groove (14), the top surface of the telescopic rod (21) is fixedly connected to a clamping plate (16), the top surface of the clamping plate (16) is fixedly connected to two positioning rods (19), the bottom surface of the driving rod (11) is fixedly connected to a limiting plate (18), the bottom surface of the limiting plate (18) is provided with two positioning holes (17), the two positioning rods (19) respectively extend into the inside of the two positioning holes (17), the outer peripheral wall of the telescopic rod (21) is provided with a spring (22) respectively fixedly connected to the clamping plate (16) and the connecting groove (14), the back surface of the clamping plate (16) is fixedly connected to a pull plate (20), and the left side and right side of the clamping plate (16) are fixedly connected to rubber pads (15).

7. A safety protection device for construction near existing lines according to claim 6, characterized in that: The limiting plate (18) and the clamping plate (16) are fitted together, the positioning rod (19) and the positioning hole (17) are clearance-matched, and the rubber pad (15) and the connecting groove (14) are fitted together.

8. The safety protection device for construction near existing lines according to claim 7 is characterized by: The telescopic rod (21) is composed of a sleeve and a moving rod, one end of the moving rod penetrates and extends into the sleeve, the outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and one side of the sleeve is provided with a through hole adapted to the moving rod.

Images