Rail transit guardrail

Abstract

The utility model relates to rail transit protection equipment technical field, concretely is a kind of protective fence for rail transit, including bottom bar, the upper side welding of bottom bar outer wall has guardrail, the one end of bottom bar is equipped with connecting groove, the other end welding of bottom bar is equipped with the positioning rectangular block compatible with connecting groove, the top of connecting groove inner wall is equipped with fixed hole, positioning mechanism is arranged on fixed hole. This one kind of protective fence for rail transit, through the cooperation of bottom bar, guardrail, pull ring, base, universal wheel, positioning rectangular block, positioning groove, connecting groove, limiting block, fixed hole, spring, sliding slot, sliding rod and slider, the protective fence can be moved flexibly by the universal wheel equipped at the bottom of base, this design significantly reduces the labor and time cost in the carrying process of protective fence, makes carrying operation more time-saving and labor-saving. Meanwhile, the self-locking function of universal wheel can provide reliable stability guarantee when protective fence is used at fixed point.

Description

Technical Field

[0001] This utility model relates to the technical field of rail transit protection equipment, specifically a rail transit guardrail. Background Technology

[0002] Rail transit refers to a type of transportation or system where vehicles operate on specific tracks. The most typical rail transit system is the railway system, composed of traditional trains and standard railways. With the diversified development of train and railway technology, rail transit has evolved into more and more types, not only prevalent in long-distance land transportation but also widely used in short- and medium-distance urban public transportation. Safety barriers are used to prevent pedestrians from entering the tracks.

[0003] Chinese Patent No. CN223116341U discloses a guardrail for rail transit, comprising: a guardrail body including a first guardrail body, with a second guardrail body disposed on one side of the first guardrail body; an assembly structure, including a torsion spring, is internally connected to one side of the second guardrail body, with a positioning plate connected to one end of the torsion spring. This utility model avoids the problem of the first and second guardrail bodies being unable to be assembled, and the large space between guardrails at corners affecting the accuracy of warnings and leading to safety hazards.

[0004] Regarding the aforementioned technologies, this device has some shortcomings. In actual use, during the assembly of the guardrail, the need to tighten nuts for fixing, and the removal and installation of these nuts usually require tools, not only increases the number of steps but also reduces assembly efficiency, making the entire assembly process inconvenient and inefficient. Furthermore, the guardrail lacks consideration for ease of movement in its design. During large-scale installation operations, transporting the guardrail becomes a problem, consuming significant manpower and time costs, severely impacting construction progress and overall work efficiency. Therefore, it is necessary to provide a guardrail for rail transit that solves the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this utility model is to provide a guardrail for rail transit to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A safety barrier for rail transit, comprising:

[0008] The base rod has a guardrail welded to the upper side of its outer wall. One end of the base rod has a connecting groove, and the other end of the base rod has a positioning rectangular block that matches the connecting groove. The top of the inner wall of the connecting groove has a fixing hole, and a positioning mechanism is provided on the fixing hole.

[0009] Both sides of the lower outer wall of the base rod are provided with bases, and symmetrically distributed casters are fixedly installed at the bottom of the bases.

[0010] Preferably, the top of the base has a slot that matches the base rod, the lower side of the outer wall of the base rod has an installation slot that corresponds to the position and quantity of the base, the bottom of the base has a threaded hole, and the base is threadedly connected to a bolt through the threaded hole, and the bolt is threadedly connected to the installation slot.

[0011] By adopting the above technical solution, the connection between the base and the bottom bar is made firm, and the installation and disassembly are convenient, which is conducive to the assembly and maintenance of the guardrail.

[0012] Preferably, the guardrail has a plurality of limiting holes.

[0013] By adopting the above technical solutions, it is possible to install accessories such as warning signs and protective nets, enhance the functionality and safety of guardrails, and flexibly adjust the position of accessories according to needs.

[0014] Preferably, the positioning mechanism includes a limiting block, which is slidably inserted into a fixing hole. Sliding grooves are provided on both sides of the inner wall of the fixing hole. A sliding rod is fixedly installed inside the sliding groove. A slider is sleeved on the outer wall of the sliding rod and is fixedly connected to the limiting block. A spring is sleeved on the outer wall of the sliding rod above the top of the slider. A pull ring is fixedly installed at the top of the limiting block. A positioning groove is provided at the top of the positioning rectangular block and is engaged with the limiting block.

[0015] By adopting the above technical solution, the positioning mechanism makes the bottom rod connection convenient. When the positioning rectangular block is inserted, the limit block automatically snaps into the positioning groove to complete the connection. Pulling the pull ring can release the snap and facilitate disassembly. The slide groove, slide rod and slider ensure the stability of the limit block movement, and the spring ensures a firm snap, thereby improving assembly efficiency and connection reliability.

[0016] Preferably, the slider has a sliding hole that matches the slide rod, and the slider is slidably connected to the slide rod through the sliding hole.

[0017] By adopting the above technical solution, a stable guide is provided for the up and down movement of the limit block, ensuring that it slides smoothly in the fixed hole, and making the positioning mechanism move accurately and reliably.

[0018] Preferably, the bottom end of the limiting block is inclined, and the limiting block is adapted to the positioning groove.

[0019] By adopting the above technical solution, the positioning rectangular block can automatically lift the limiting block when inserted into the connecting slot, ensuring smooth assembly.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] 1. This utility model utilizes a base rod, guardrail, pull ring, base, casters, positioning rectangular block, positioning groove, connecting groove, limiting block, fixing hole, spring, sliding groove, sliding rod, and slider in combination. The guardrail can move flexibly with the help of the casters at the bottom of the base. This design significantly reduces the labor and time costs during the handling of the guardrail, making the operation more time-saving and labor-saving. Simultaneously, the self-locking function of the casters provides reliable stability when the guardrail is in a fixed position. During use, the guardrail can be quickly connected and disconnected without the need for additional tools, greatly improving assembly and disassembly efficiency and making the entire operation more convenient and efficient.

[0022] 2. This utility model, through the combined use of bolts, threaded holes, slots, and mounting grooves, allows for the replacement of the entire guardrail when the casters are damaged during the use of the guardrail. Only the damaged casters and bases need to be replaced, effectively reducing maintenance costs and improving the economy and sustainability of the guardrail. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a bottom-view exploded structural diagram of the present invention;

[0025] Figure 3 This is a partial cross-sectional view of the bottom rod of this utility model;

[0026] Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0027] In the diagram: 1. Base rod; 2. Guardrail; 3. Limiting hole; 4. Pull ring; 5. Base; 6. Caster wheel; 7. Positioning rectangular block; 8. Positioning groove; 9. Connecting groove; 10. Bolt; 11. Threaded hole; 12. Slot; 13. Mounting groove; 14. Limiting block; 15. Fixing hole; 16. Spring; 17. Slide groove; 18. Slide rod; 19. Slider. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1

[0030] Please see Figures 1-4 One embodiment provided by this utility model:

[0031] A safety barrier for rail transit, comprising:

[0032] The base rod 1 has a guardrail 2 welded to the upper side of its outer wall. One end of the base rod 1 has a connecting groove 9, and the other end of the base rod 1 has a positioning rectangular block 7 that matches the connecting groove 9. The top of the inner wall of the connecting groove 9 has a fixing hole 15, and a positioning mechanism is provided on the fixing hole 15. Bases 5 are provided on both sides below the outer wall of the base rod 1, and symmetrically distributed casters 6 are fixedly installed on the bottom of the bases 5.

[0033] Specifically, the positioning mechanism includes a limiting block 14, which is slidably inserted into a fixing hole 15. Slide grooves 17 are provided on both sides of the inner wall of the fixing hole 15. A slide rod 18 is fixedly installed inside the slide groove 17. A slider 19 is sleeved on the outer wall of the slide rod 18 and is fixedly connected to the limiting block 14. A spring 16 is sleeved on the outer wall of the slide rod 18 above the top of the slider 19. A pull ring 4 is fixedly installed at the top of the limiting block 14. A positioning groove 8 is provided at the top of the positioning rectangular block 7 and engages with the limiting block 14. A sliding hole adapted to the slide rod 18 is provided on the slider 19, and the slider 19 is slidably connected to the slide rod 18 through the sliding hole. The bottom end of the limiting block 14 is inclined and is adapted to the positioning groove 8.

[0034] Furthermore, the connecting grooves 9 at both ends of the base rod 1 are adapted to the positioning rectangular block 7. Through the locking of the positioning mechanism limit block 14 and the positioning groove 8, the guardrails can be quickly assembled and disassembled without additional tools, thus improving assembly efficiency. The universal wheels 6 at the bottom of the base 5 facilitate the movement and positioning of the guardrails and have self-locking properties to ensure the stability of the fixed point.

[0035] Example 2

[0036] Reference Figure 2 This is the second embodiment of the present invention. Based on the previous embodiment, the top of the base 5 is provided with a slot 12 that is compatible with the base rod 1. The lower side of the outer wall of the base rod 1 is provided with an installation slot 13 that corresponds to the position and number of the base 5. The bottom of the base 5 is provided with a threaded hole 11. The base 5 is threadedly connected to a bolt 10 through the threaded hole 11, and the bolt 10 is threadedly connected to the installation slot 13.

[0037] Specifically, several limiting holes 3 are provided on the guardrail 2.

[0038] Furthermore, the base 5 and the base rod 1 are connected by bolts 10, making the base 5 and the caster 6 detachable. When the caster 6 is damaged, it can be replaced separately, improving the economy of the guardrail. The setting of the limit hole 3 makes it convenient to fix the sign on the guardrail 2.

[0039] The working principle of this utility model is as follows: All parts not described in this device are the same as or can be implemented using existing technology. In actual use, the guardrail can be moved flexibly with the help of the casters 6 at the bottom of the base 5. This design significantly reduces the manpower and time costs during the handling of the guardrail, making the handling operation more time-saving and labor-saving. Simultaneously, the self-locking function of the casters 6 provides reliable stability when the guardrail is used at a fixed point. During guardrail installation, the rolling characteristics of the casters 6 with the ground are first used to accurately determine the installation position of the first guardrail. Then, the worker places the second guardrail, ensuring that the positioning rectangular block 7 on the second guardrail is precisely aligned with the connecting groove 9 on the first guardrail. When assembling the two guardrails, the positioning rectangular block 7 is inserted into the connecting groove 9, contacting and applying force to the inclined end of the limiting block 14, causing the limiting block 14 to automatically slide upwards on the fixing hole 15. During this process, the movement of the limiting block 14 drives the slider 19 to slide synchronously on the sliding rod 18, compressing the spring 16. When the positioning rectangular block 7 is fully engaged with the connecting groove 9, the limiting block 14 corresponds to the positioning groove 8 on the positioning rectangular block 7. Under the elastic restoring force of the spring 16, the limiting block 14 automatically engages inside the positioning groove 8, thus firmly locking the positioning rectangular block 7 within the connecting groove 9, completing the assembly between the two guardrails. Following this method, large-area installation of guardrails can be completed quickly without complex procedures. When disassembly is required later, the worker only needs to pull the pull ring 4 on the outside of the base rod 1. The movement of the pull ring 4 causes the limiting block 14 to actively disengage from the positioning groove 8 on the positioning rectangular block 7. At this time, pulling one of the guardrails will automatically disengage the positioning rectangular block 7 from the connecting groove 9, achieving quick disassembly between adjacent guardrails. This guardrail system allows for quick connection and disconnection between guardrails without the need for additional tools, greatly improving assembly and disassembly efficiency and making the entire operation more convenient and efficient.

[0040] During frequent use of the guardrail, the casters 6, as a key structure supporting and enabling the guardrail's movement, bear a significant load, making them prone to damage over time. When the casters 6 are damaged, the guardrail can be laid down, and the bolts 10 at the bottom of the base 5 can be loosened using an adapter tool, causing the bolts 10 to unscrew from the mounting slots 13 and threaded holes 11. With the bolts 10 loosened, the connection between the base 5 and the base rod 1 is lost, allowing the base 5 to be directly removed from the base rod 1. Then, a new base 5 and casters 6 can be installed, and the bolts 10 can be tightened again, thus achieving a detachable design for the base 5 and casters 6. This allows for the replacement of the entire guardrail when the casters 6 are damaged, eliminating the need to replace only the damaged casters 6 and base 5, effectively reducing maintenance costs and improving the economic efficiency and sustainability of the guardrail.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A safety railing for rail transit, characterized in that, It includes: The bottom rod (1) has a guardrail (2) welded to the upper side of its outer wall. One end of the bottom rod (1) has a connecting groove (9), and the other end of the bottom rod (1) has a positioning rectangular block (7) that matches the connecting groove (9). The top of the inner wall of the connecting groove (9) has a fixing hole (15), and a positioning mechanism is provided on the fixing hole (15). The bottom rod (1) has bases (5) on both sides below the outer wall, and symmetrically distributed casters (6) are fixedly installed at the bottom of the bases (5). The positioning mechanism includes a limiting block (14), which is slidably inserted into a fixing hole (15). Both sides of the inner wall of the fixing hole (15) are provided with sliding grooves (17). A sliding rod (18) is fixedly installed inside the sliding groove (17). A slider (19) is sleeved on the outer wall of the sliding rod (18), and the slider (19) is fixedly connected to the limiting block (14). A spring (16) is sleeved on the outer wall of the sliding rod (18) above the top of the slider (19). A pull ring (4) is fixedly installed at the top of the limiting block (14). A positioning groove (8) is opened at the top of the positioning rectangular block (7), and the positioning groove (8) is engaged with the limiting block (14).

2. A guardrail for rail transit according to claim 1, characterized in that: The top of the base (5) is provided with a slot (12) that is compatible with the base rod (1). The lower side of the outer wall of the base rod (1) is provided with an installation slot (13) that corresponds to the position and number of the base (5). The bottom of the base (5) is provided with a threaded hole (11). The base (5) is threaded with a bolt (10) through the threaded hole (11), and the bolt (10) is threadedly connected to the installation slot (13).

3. A guardrail for rail transit according to claim 1, characterized in that: The guardrail (2) has several limiting holes (3).

4. A guardrail for rail transit according to claim 1, characterized in that: The slider (19) has a sliding hole that matches the sliding rod (18), and the slider (19) is slidably connected to the sliding rod (18) through the sliding hole.

5. A guardrail for rail transit according to claim 1, characterized in that: The bottom end of the limiting block (14) is inclined, and the limiting block (14) is adapted to the positioning groove (8).

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