Bridge protective fence convenient to hoist for railway

Abstract

The utility model relates to the technical field of safety devices of intersections of railways and highways, and discloses a railway bridge protective fence convenient to hoist, which comprises a protective fence body, two supporting legs are fixedly connected to the lower side of the protective fence body, the two supporting legs are arranged front and back, a first sliding groove is formed in the protective fence body, and a second sliding groove is formed in the protective fence body. A first sliding groove is formed in the protective fence body, a second sliding groove is formed in the top wall of the first sliding groove, the top wall of the second sliding groove extends out of the upper side of the protective fence body, a hoisting mechanism is arranged in the protective fence body, and hoisting equipment can rapidly and conveniently hoist the protective fence body through the hoisting mechanism. Compared with the prior art, the hoisting device has the advantages that the hoisting ring can be arranged on the upper side of the protective fence body and can move, so that the protective fence body can be easily hoisted by the hoisting device, the hoisting efficiency of the protective fence body is improved, and meanwhile, the protective fence bodies of different specifications can be kept balanced during hoisting through the hoisting ring capable of moving.

Description

Technical Field

[0001] The utility model relates to the technical field of safety devices for railway and highway intersections, in particular to a guardrail for railway bridges which is convenient for hoisting. Background Art

[0002] Railway guardrails refer to a type of protective facility installed along the railway or on railway bridges. Their main purpose is to ensure the safety of railway transportation and prevent people or objects from mistakenly entering the railway track, thereby reducing the possibility of accidents.

[0003] However, during the installation process of the existing guardrail, due to the lack of lifting connection devices on its outer surface, the connection between the lifting equipment and the guardrail is relatively inconvenient during the lifting process, which makes the lifting efficiency of the guardrail relatively low, thereby reducing the installation efficiency of the guardrail. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the utility model provides a guardrail for a railway bridge that is easy to hoist. The utility model has the function of setting a hoisting ring on the upper side of the guardrail, and the hoisting ring can be moved, thereby making it easier for the hoisting equipment to hoist the guardrail, thereby improving the hoisting efficiency of the guardrail. At the same time, the movable hoisting ring enables guardrails of different specifications to maintain balance during hoisting.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A guardrail for railway bridges that is convenient for hoisting, comprising a guardrail body, the lower side of which is fixedly connected to two supporting legs, the two supporting legs being arranged front and back;

[0008] A first sliding groove is provided inside the guardrail body, a second sliding groove is provided on the top wall of the first sliding groove, and the top wall of the second sliding groove extends out of the upper side of the guardrail body. A hoisting mechanism is provided inside the guardrail body, and the hoisting equipment can hoist the guardrail body quickly and conveniently through the hoisting mechanism, and the hoisting mechanism can slide on the guardrail body;

[0009] The hoisting mechanism comprises a first sliding block, a second sliding block, a hoisting ring, two limiting grooves, a plurality of limiting clamping blocks and two limiting blocks.

[0010] Preferably, the first sliding block is slidably connected to the inside of the first sliding groove, and the second sliding block is fixedly connected to the upper side of the first sliding block;

[0011] The upper side of the second sliding block extends out of the guardrail body through the second sliding groove.

[0012] Preferably, the lifting ring is fixedly connected to the upper side of the second sliding block, and the lifting equipment is connected to the lifting ring;

[0013] The two limit blocks are fixedly connected to the upper side of the first sliding block, and the two limit blocks are respectively arranged on the left and right sides of the second sliding block. The limit blocks are in the shape of a triangle.

[0014] Preferably, a first sliding block is also arranged on the front side of the first sliding block, and the connection structures of the two first sliding blocks are the same and are arranged front to back;

[0015] The two limiting grooves are respectively arranged on the top wall of the first sliding groove.

[0016] Preferably, the two limiting grooves are respectively arranged on the left and right sides of the second sliding groove, and the limiting groove is arranged on the upper side of the limiting block;

[0017] A plurality of limit clamping blocks are respectively fixedly connected to the top walls of the two limit slots, the limit clamping blocks are also in the shape of a triangle, and the limit blocks are matched with each other.

[0018] Preferably, a clamping groove is provided on the upper side of the guardrail body, the clamping groove is a T-shaped groove, and the front side of the clamping groove extends out of the guardrail body;

[0019] A clamping block is fixedly connected to the rear side of the guardrail body. The clamping block is a T-shaped block and is matched with the clamping groove.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model provides a guardrail for railway bridges that is convenient for hoisting, and has the following beneficial effects:

[0022] (1) The guardrail of the railway bridge is easy to lift. The two second sliding blocks are pushed to move, and then the two lifting rings are moved to the appropriate positions. Then the two lifting rings can be connected by using lifting equipment, and then the guardrail body is lifted. After transmission, the limit block will move to the inside of the limit groove, and then the limit block will move between the limit blocks. At this time, the limit block will limit the limit block, so that the lifting ring will not move during lifting, thereby ensuring the stability of the lifting ring during lifting. In this way, the lifting ring can be set on the upper side of the guardrail body, and the lifting ring can be moved, so that the lifting equipment can lift the guardrail body more easily, thereby improving the lifting efficiency of the guardrail body. At the same time, the movable lifting ring allows guardrail bodies of different specifications to maintain balance during lifting.

[0023] (2) When installing the guardrail body, multiple guardrail bodies are connected. At this time, the clamping block of the front guardrail body is installed in the clamping groove of the rear guardrail body, so that the two guardrail bodies can be fixedly connected in a limited position, further improving the installation efficiency of the guardrail body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of a guardrail structure for convenient lifting of a railway bridge according to the utility model;

[0025] Figure 2 This is a schematic diagram of the connection structure of the first sliding block of the utility model;

[0026] Figure 3 It is a schematic diagram of the cross-sectional connection structure of the guardrail body of the utility model.

[0027] In the figure: 1. guardrail body; 2. supporting leg; 3. first sliding groove; 4. second sliding groove; 5. first sliding block; 6. second sliding block; 7. lifting ring; 8. limit groove; 9. limit block; 10. limit block; 11. clamping groove; 12. clamping block. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figures 1 to 3 The utility model provides a new technical solution: a guardrail for a railway bridge that is convenient for lifting, comprising a guardrail body 1, two supporting legs 2 are fixedly connected to the lower side of the guardrail body 1, the two supporting legs 2 are arranged front and back, a first sliding groove 3 is opened inside the guardrail body 1, a second sliding groove 4 is opened on the top wall of the first sliding groove 3, the top wall of the second sliding groove 4 extends out of the upper side of the guardrail body 1, a lifting mechanism is arranged inside the guardrail body 1, the lifting equipment can quickly and conveniently lift the guardrail body 1 through the lifting mechanism, the lifting mechanism can slide on the guardrail body 1, and the lifting mechanism comprises a first sliding block 5, a second sliding block 6, a lifting ring 7, two limit grooves 8, a plurality of limit card blocks 9 and two limit blocks 10.

[0030] Further, the first sliding block 5 is slidably connected to the inside of the first sliding groove 3, the second sliding block 6 is fixedly connected to the upper side of the first sliding block 5, the upper side of the second sliding block 6 extends out of the guardrail body 1 through the second sliding groove 4, the lifting ring 7 is fixedly connected to the upper side of the second sliding block 6, the lifting equipment is connected to the lifting ring 7, two limit blocks 10 are fixedly connected to the upper side of the first sliding block 5, the two limit blocks 10 are respectively arranged on the left and right sides of the second sliding block 6, the limit blocks 10 are in the shape of a triangle, the front side of the first sliding block 5 is also provided with the first sliding block 5, the connection structure of the two first sliding blocks 5 is the same and is arranged front and back Two limit grooves 8 are respectively opened on the top wall of the first sliding groove 3, and the two limit grooves 8 are respectively arranged on the left and right sides of the second sliding groove 4. The limit groove 8 is arranged on the upper side of the limit block 10, and a plurality of limit card blocks 9 are respectively fixedly connected to the top walls of the two limit grooves 8. The shape of the limit card blocks 9 is also a triangle, and the limit block 10 is adapted to the limit card blocks 9. A clamping groove 11 is opened on the upper side of the guardrail body 1, and the clamping groove 11 is a T-shaped groove. The front side of the clamping groove 11 extends out of the guardrail body 1, and the rear side of the guardrail body 1 is fixedly connected with a clamping block 12, which is a T-shaped block and is adapted to the clamping groove 11.

[0031] Furthermore, during hoisting, the staff first pushes the two second sliding blocks 6 to move, and then the two second sliding blocks 6 drive the two first sliding blocks 5 to move synchronously, and the two first sliding blocks 5 drive the two lifting rings 7 to move synchronously, and then the two lifting rings 7 will move to the appropriate position, and then the two lifting rings 7 can be connected using the lifting equipment, and then the guardrail body 1 is hoisted, and then the lifting ring 7 will drive the second sliding block 6 to move upward, and the second sliding block 6 will drive the first sliding block 5 to move upward synchronously, and the first sliding block 5 drives the limit block 10 to start moving upward synchronously, and then the limit block 10 will move to the inside of the limit groove 8, and then the limit block 10 will move between the limit card blocks 9, at this time the limit card Block 9 will limit the limit block 10, so that the lifting ring 7 will not move during lifting, ensuring the stability of the lifting ring 7 during lifting. When installing the guardrail body 1, multiple guardrail bodies 1 are connected. At this time, the clamping block 12 of the front guardrail body 1 is installed in the clamping groove 11 of the rear guardrail body 1, so that the two guardrail bodies 1 can complete the limited fixed connection. In this way, the lifting ring 7 can be set on the upper side of the guardrail body 1, and the lifting ring 7 can be moved, so that the lifting equipment can lift the guardrail body 1 more easily, which improves the lifting efficiency of the guardrail body 1. At the same time, the movable lifting ring 7 enables guardrail bodies 1 of different specifications to maintain balance during lifting.

[0032] Working principle: When hoisting, the staff first pushes the two second sliding blocks 6 to move, and then the two second sliding blocks 6 drive the two first sliding blocks 5 to move synchronously, and the two first sliding blocks 5 drive the two lifting rings 7 to move synchronously, and then the two lifting rings 7 will move to the appropriate position, and then the two lifting rings 7 can be connected using the lifting equipment, and then the guardrail body 1 is hoisted, and then the lifting ring 7 will drive the second sliding block 6 to move upward, and the second sliding block 6 will drive the first sliding block 5 to move upward synchronously, and the first sliding block 5 drives the limit The positioning block 10 starts to move upward synchronously, and then the limiting block 10 will move to the inside of the limiting groove 8, and then the limiting block 10 will move between the limiting clamping blocks 9. At this time, the limiting clamping blocks 9 will limit the limiting block 10, so that the lifting ring 7 will not move during lifting, thereby ensuring the stability of the lifting ring 7 during lifting. When installing the guardrail body 1, multiple guardrail bodies 1 are connected. At this time, the clamping block 12 of the front guardrail body 1 is installed in the clamping groove 11 of the rear guardrail body 1, so that the two guardrail bodies 1 can complete the limited fixed connection.

[0033] 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 guardrail for railway bridges that is convenient for hoisting, comprising a guardrail body (1), the lower side of which is fixedly connected to two supporting legs (2), the two supporting legs (2) being arranged front and back; A first sliding groove (3) is provided inside the guardrail body (1), a second sliding groove (4) is provided on the top wall of the first sliding groove (3), and the top wall of the second sliding groove (4) extends out of the upper side of the guardrail body (1), characterized in that: The guardrail body (1) is provided with a hoisting mechanism inside, and the hoisting equipment can quickly and conveniently hoist the guardrail body (1) through the hoisting mechanism, and the hoisting mechanism can slide on the guardrail body (1); The lifting mechanism comprises a first sliding block (5), a second sliding block (6), a lifting ring (7), two limiting grooves (8), a plurality of limiting clamping blocks (9) and two limiting blocks (10).

2. A guardrail for convenient lifting of a railway bridge according to claim 1, characterized in that: The first sliding block (5) is slidably connected inside the first sliding groove (3), and the second sliding block (6) is fixedly connected to the upper side of the first sliding block (5); The upper side of the second sliding block (6) extends out of the guardrail body (1) through the second sliding groove (4).

3. The guardrail for convenient lifting of a railway bridge according to claim 1 is characterized by: The lifting ring (7) is fixedly connected to the upper side of the second sliding block (6), and the lifting equipment is connected to the lifting ring (7); The two limit blocks (10) are fixedly connected to the upper side of the first sliding block (5), and the two limit blocks (10) are respectively arranged on the left and right sides of the second sliding block (6), and the limit blocks (10) are in the shape of a triangle.

4. The guardrail for convenient lifting of a railway bridge according to claim 2 is characterized by: A first sliding block (5) is also arranged on the front side of the first sliding block (5), and the two first sliding blocks (5) have the same connection structure and are arranged front to back; The two limiting grooves (8) are respectively arranged on the top wall of the first sliding groove (3).

5. The guardrail for convenient lifting of a railway bridge according to claim 4, characterized in that: The two limiting grooves (8) are respectively arranged on the left and right sides of the second sliding groove (4), and the limiting groove (8) is arranged on the upper side of the limiting block (10); A plurality of limiting blocks (9) are respectively fixedly connected to the top walls of the two limiting grooves (8); the limiting blocks (9) are also triangular in shape; and the limiting blocks (10) are adapted to the limiting blocks (9).

6. The guardrail for convenient lifting of a railway bridge according to claim 1, characterized in that: The upper side of the guardrail body (1) is provided with a clamping groove (11), the clamping groove (11) is a T-shaped groove, and the front side of the clamping groove (11) extends out of the guardrail body (1); A clamping block (12) is fixedly connected to the rear side of the guardrail body (1); the clamping block (12) is a T-shaped block, and the clamping block (12) is matched with the clamping groove (11).

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