Foreign matter falling prevention device for modular expansion joint of double-layer bridge

Abstract

The utility model discloses a foreign matter falling prevention device for a double-layer bridge modular expansion joint, and relates to the technical field of bridge modular expansion joints. The cloth clamping device comprises a left beam end head and a right beam end head, a modular telescopic mechanism is arranged between the left beam end head and the right beam end head, and a cloth clamping rubber plate is fixedly installed between the left beam end head and the right beam end head. The cloth clamping rubber plate is fixedly arranged between the left beam end head and the right beam end head, and the cloth clamping rubber plate and the modular telescopic mechanism have the same width so as to ensure that foreign matters in the working range of the expansion joint do not fall to a lower-layer bridge to cause harm to traffic safety, thereby playing a role in protecting the traffic safety of the lower-layer bridge; and the energy storage driving assembly drives the cleaning assembly to clean the cloth clamping rubber plate through the transmission assembly, excessive sundries are prevented from being accumulated on the cloth clamping rubber plate, and the service life of the cloth clamping rubber plate is effectively prolonged.

Description

Technical Field

[0001] The utility model belongs to the field of bridge modular expansion joints, and in particular relates to a double-layer bridge modular expansion joint anti-falling foreign matter device. Background Art

[0002] There is no device to prevent foreign objects from falling below the installation position of the modular telescopic device in the same field. Especially when the modular telescopic device in the same field is installed on a double-deck bridge, the expansion joint of the upper bridge does not protect the traffic safety of the bridge below. There is a risk of objects falling, affecting the normal traffic and causing property loss.

[0003] In view of this, the present utility model is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a double-layer bridge modular expansion joint anti-foreign matter falling device.

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0006] A double-deck bridge modular expansion joint anti-falling foreign matter device comprises a left beam end and a right beam end, a modular expansion mechanism is arranged between the left beam end and the right beam end, and a cloth-inserted rubber plate is fixedly installed between the left beam end and the right beam end;

[0007] A cleaning assembly is arranged on the left beam end and the right beam end, and the cleaning assembly cooperates with the cloth-interposed rubber plate. A mounting shell is installed on the side of the left beam end and the right beam end, and an energy storage drive assembly and a transmission assembly are arranged in the mounting shell. The energy storage drive assembly cooperates with the transmission assembly, and the transmission assembly cooperates with the cleaning assembly; the cloth-interposed rubber plate is U-shaped.

[0008] Optionally, multiple bolt holes are opened on the opposite sides of the left beam end and the right beam end, and expansion bolts are arranged in the multiple bolt holes. The cloth-inserted rubber sheet is fixedly installed between the left beam end and the right beam end by the expansion bolts; the cloth-inserted rubber sheet is fixed by the arranged expansion bolts, and the bolt-anchor structure ensures that the cloth-inserted rubber sheet is tightly fitted to the left beam end and the right beam end to prevent foreign objects from falling.

[0009] Optionally, a protective ring is installed at the connection between the cloth-inserted rubber sheet and the expansion bolt; by providing the protective ring, damage to the connection between the cloth-inserted rubber sheet and the expansion bolt can be avoided, thereby increasing the service life of the cloth-inserted rubber sheet.

[0010] Optionally, the cleaning component includes a trapezoidal slide groove opened on opposite sides of the left beam end and the right beam end, a reciprocating screw rod is rotatably matched in the trapezoidal slide groove, a slider is slidably matched in the trapezoidal slide groove, the slider cooperates with the reciprocating screw rod, an L-shaped connecting block is installed on one side of the slider, a scraper is installed on the bottom of the L-shaped connecting block, the scraper cooperates with the cloth-clamped rubber plate, and the reciprocating screw rod cooperates with the transmission component; storage frames for collecting foreign matter are provided at both ends of the left beam end and the right beam end.

[0011] Optionally, the transmission assembly includes two connecting rods, which are respectively fixedly connected to one end of the two reciprocating screw rods, and sprockets are installed on the two connecting rods. Chains are provided on the two sprockets, and the chain is meshed with the two sprockets. One of the connecting rods is equipped with a gear, and the gear cooperates with the energy storage drive assembly.

[0012] Optionally, the energy storage drive assembly includes a rotating rod that rotatably cooperates in the mounting shell, the rotating rod is rotatably connected to a driving block, a spring is installed between the driving block and the rotating rod, teeth are installed on the side of the driving block, the teeth and the gear mesh with each other, a fixed rod is installed on one side of the inner wall of the mounting shell, a pawl is rotatably cooperated on the fixed rod, a torsion spring is installed at the rotation point of the pawl and the fixed rod, a ratchet is installed on the side of the rotating rod, the ratchet cooperates with the pawl, a blocking shell is installed on one side of the inner wall of the mounting shell, a blocking block is slidably and elastically cooperated in the blocking shell, a limit block is installed on the driving block, the limit block cooperates with the blocking block, and a windmill is installed on the end of the rotating rod located outside the mounting shell; the limit block and the blocking block are both provided with inclined surfaces, and the inclined surface on the limit block cooperates with the inclined surface on the blocking block.

[0013] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0014] The utility model fixes the cloth-inserted rubber plate between the left beam end and the right beam end, and the cloth-inserted rubber plate has the same width as the modular telescopic mechanism, so as to ensure that foreign objects within the working range of the expansion joint will not fall to the lower bridge and cause harm to traffic safety, thereby protecting the traffic safety of the lower bridge, effectively reducing property losses and ensuring normal traffic. The energy storage drive component drives the cleaning component to clean the cloth-inserted rubber plate through the transmission component, so as to avoid excessive accumulation of debris on the cloth-inserted rubber plate, and effectively prolong the service life of the cloth-inserted rubber plate.

[0015] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0017] Figure 1 This is a schematic structural diagram of a device for preventing foreign matter from falling according to an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the installation position structure of the cloth-reinforced rubber plate according to an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the cleaning component structure of an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the installation shell of one embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of an energy storage drive component according to an embodiment of the utility model;

[0022] Figure 6 This is a schematic structural diagram of a cloth-reinforced rubber sheet according to an embodiment of the utility model;

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Left beam end; 2. Right beam end; 3. Modular telescopic mechanism; 4. Bolt hole; 5. Expansion bolt; 6. Cloth-reinforced rubber plate; 7. Trapezoidal slide; 8. Sliding block; 9. Reciprocating screw rod; 10. Scraper; 11. Mounting shell; 12. Sprocket; 13. Chain; 14. Gear; 15. Rotating rod; 16. Fixed rod; 17. Paw; 18. Ratchet; 19. Windmill; 20. Driving block; 21. Limit block; 22. Teeth; 23. Blocking shell; 24. Blocking block; 25. Spring; 26. Protective ring.

[0025] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0026] The utility model will now be further described in detail with reference to the accompanying drawings.

[0027] See also Figure 1-6 As shown, in this embodiment, a double-layer bridge modular expansion joint anti-falling device is provided, comprising a left beam end 1 and a right beam end 2, a modular expansion mechanism 3 is arranged between the left beam end 1 and the right beam end 2, and a cloth-inserted rubber plate 6 is fixedly installed between the left beam end 1 and the right beam end 2;

[0028] A cleaning assembly is provided on the left beam end 1 and the right beam end 2, and the cleaning assembly cooperates with the cloth-interposed rubber sheet 6. A mounting shell 11 is installed on the side of the left beam end 1 and the right beam end 2, and an energy storage drive assembly and a transmission assembly are provided in the mounting shell 11. The energy storage drive assembly cooperates with the transmission assembly, and the transmission assembly cooperates with the cleaning assembly; the cloth-interposed rubber sheet 6 is U-shaped.

[0029] One aspect of the application of this embodiment is as follows: when in use, the cloth-inserted rubber sheet 6 is first fixedly installed between the left beam end 1 and the right beam end 2. The cloth-inserted rubber sheet 6 is the same width as the modular telescopic mechanism 3 to ensure that foreign matter within the working range of the expansion joint will not fall to the lower bridge and cause harm to traffic safety. When the energy storage drive component has completed energy storage, the energy storage drive component drives the cleaning component to clean the cloth-inserted rubber sheet 6 through the transmission component to avoid excessive accumulation of debris on the cloth-inserted rubber sheet 6, thereby effectively improving the service life of the cloth-inserted rubber sheet 6.

[0030] See also Figure 1-3 As shown, a plurality of bolt holes 4 are provided on opposite sides of the left beam end 1 and the right beam end 2 of the present embodiment, and expansion bolts 5 are provided in the plurality of bolt holes 4. A cloth-inserted rubber sheet 6 is fixedly installed between the left beam end 1 and the right beam end 2 by means of the expansion bolts 5. The cloth-inserted rubber sheet 6 is fixed by means of the provided expansion bolts 5, and the bolt-anchor structure ensures that the cloth-inserted rubber sheet 6 is tightly fitted to the left beam end 1 and the right beam end to prevent foreign matter from falling.

[0031] See also Figure 1-6 As shown, a protective ring 26 is installed at the connection between the cloth-inserted rubber sheet 6 and the expansion bolt 5 of this embodiment; the protective ring 26 can avoid damage to the connection between the cloth-inserted rubber sheet 6 and the expansion bolt 5, and the service life of the cloth-inserted rubber sheet 6 can be increased.

[0032] See also Figure 1-3 As shown, the cleaning component of this embodiment includes a trapezoidal slide groove 7 opened on the opposite sides of the left beam end 1 and the right beam end 2, a reciprocating screw rod 9 is rotatably matched in the trapezoidal slide groove 7, a slider 8 is slidably matched in the trapezoidal slide groove 7, the slider 8 cooperates with the reciprocating screw rod 9, an L-shaped connecting block is installed on one side of the slider 8, a scraper 10 is installed at the bottom of the L-shaped connecting block, the scraper 10 cooperates with the cloth-clamped rubber plate 6, and the reciprocating screw rod 9 cooperates with the transmission component; storage frames for collecting foreign matter are provided at both ends of the left beam end 1 and the right beam end 2.

[0033] Through the cleaning component that is set up, the energy storage drive component drives the reciprocating screw 9 to rotate through the transmission component, so that the reciprocating screw 9 drives the slider 8 to move, the movement of the slider 8 drives the L-shaped connecting block to move, and the movement of the L-shaped connecting block drives the scraper 10 to clean the debris on the cloth-clamped rubber plate 6.

[0034] See also Figure 1-4 As shown, the transmission assembly of this embodiment includes two connecting rods, which are respectively fixedly connected to one end of two reciprocating screw rods 9, and sprockets 12 are installed on the two connecting rods. Chains 13 are provided on the two sprockets 12, and the chains 13 are meshed with the two sprockets 12. One of the connecting rods is equipped with a gear 14, and the gear 14 cooperates with the energy storage drive assembly.

[0035] See also Figure 1-5 As shown, the energy storage drive assembly of this embodiment includes a rotating rod 15 rotatably matched in the mounting shell 11, the rotating rod 15 is rotatably connected to a driving block 20, a spring 25 is installed between the driving block 20 and the rotating rod 15, a side of the driving block 20 is equipped with teeth 22, and the teeth 22 and the gear 14 are meshed with each other, a fixed rod 16 is installed on one side of the inner wall of the mounting shell 11, a pawl 17 is rotatably matched on the fixed rod 16, and a torsion spring is installed at the rotation of the pawl 17 and the fixed rod 16, and the rotating rod A ratchet 18 is installed on the side of 15, and the ratchet 18 cooperates with the pawl 17. A blocking shell 23 is installed on one side of the inner wall of the mounting shell 11, and a blocking block 24 is slidably and elastically matched inside the blocking shell 23. A limit block 21 is installed on the driving block 20, and the limit block 21 cooperates with the block 24. A windmill 19 is installed at one end of the rotating rod 15 located outside the mounting shell 11; both the limit block 21 and the block 24 are provided with inclined surfaces, and the inclined surface on the limit block 21 cooperates with the inclined surface on the block 24.

[0036] By means of the energy storage drive assembly and the transmission assembly, when the wind blows the windmill 19, the windmill 19 drives the rotating rod 15 to rotate, and the rotating rod 15 rotates to wind the mainspring 25, so that the mainspring 25 gathers energy, and by means of the pawl 17 and the ratchet 18, the pawl 17 and the ratchet 18 restrict the rotating rod 15 so that the rotating rod 15 can only rotate in one direction, so as to prevent the mainspring 25 from driving the rotating rod 15 to rotate during the winding process. When the mainspring 25 gathers a certain amount of energy, the inclined surface of the limit block 21 squeezes the inclined surface of the blocking block 24, so that the blocking block 24 squeezes the blocking spring, so that the mainspring 25 can drive the driving block 20 to rotate, and when the driving block 20 rotates, the gear 14 is driven to rotate through the teeth 22, and the gear 14 rotates to drive one of the connecting rods to rotate, and the rotation of one of the connecting rods causes the other connecting rod to rotate through the chain 13 and the sprocket 12, thereby driving the reciprocating screw rod 9 to rotate, so that the scraper 10 cleans the debris on the cloth-clamped rubber plate 6.

[0037] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A double-deck bridge modular expansion joint anti-foreign matter falling device, characterized in that: include: A left beam end (1) and a right beam end (2), a modular telescopic mechanism (3) is arranged between the left beam end (1) and the right beam end (2), and a cloth-inserted rubber plate (6) is fixedly installed between the left beam end (1) and the right beam end (2); A cleaning assembly is provided on the left beam end (1) and the right beam end (2), and the cleaning assembly cooperates with the cloth-inserted rubber plate (6). A mounting shell (11) is installed on the side of the left beam end (1) and the right beam end (2), and an energy storage drive assembly and a transmission assembly are provided in the mounting shell (11). The energy storage drive assembly cooperates with the transmission assembly, and the transmission assembly cooperates with the cleaning assembly.

2. The double-deck bridge modular expansion joint anti-falling device according to claim 1 is characterized in that: A plurality of bolt holes (4) are provided on opposite sides of the left beam end (1) and the right beam end (2), expansion bolts (5) are provided in the plurality of bolt holes (4), and the cloth-reinforced rubber sheet (6) is fixedly installed between the left beam end (1) and the right beam end (2) via the expansion bolts (5).

3. The double-deck bridge modular expansion joint anti-foreign matter falling device according to claim 2 is characterized by: A protective ring (26) is installed at the connection between the cloth-reinforced rubber plate (6) and the expansion bolt (5).

4. The double-deck bridge modular expansion joint anti-falling device according to claim 1 is characterized in that: The cleaning component comprises a trapezoidal slide groove (7) provided on opposite sides of the left beam end (1) and the right beam end (2); a reciprocating screw rod (9) is rotatably matched in the trapezoidal slide groove (7); a slider (8) is slidably matched in the trapezoidal slide groove (7); the slider (8) matches the reciprocating screw rod (9); an L-shaped connecting block is installed on one side of the slider (8); a scraper (10) is installed at the bottom of the L-shaped connecting block; the scraper (10) matches the cloth-inserted rubber plate (6); and the reciprocating screw rod (9) matches the transmission component.

5. The double-deck bridge modular expansion joint anti-falling device according to claim 4 is characterized in that: The transmission assembly comprises two connecting rods, the two connecting rods are respectively fixedly connected to one end of two reciprocating screw rods (9), the two connecting rods are both provided with sprocket wheels (12), the two sprocket wheels (12) are provided with chains (13), the chain (13) and the two sprocket wheels (12) are meshed with each other, one of the connecting rods is provided with a gear (14), and the gear (14) cooperates with the energy storage drive assembly.

6. The double-deck bridge modular expansion joint anti-falling device according to claim 4 is characterized by: The energy storage drive assembly comprises a rotating rod (15) rotatably engaged in a mounting shell (11), a driving block (20) is rotatably connected to the rotating rod (15), a spring (25) is arranged between the driving block (20) and the rotating rod (15), a tooth (22) is arranged on the side of the driving block (20), the tooth (22) and the gear (14) are meshed with each other, a fixed rod (16) is arranged on one side of the inner wall of the mounting shell (11), a ratchet (17) is rotatably engaged on the fixed rod (16), and the ratchet (17) is engaged with the fixed rod (16). A torsion spring is installed at the rotation part of the rod (16), a ratchet (18) is installed on the side of the rotating rod (15), the ratchet (18) cooperates with the pawl (17), a blocking shell (23) is installed on one side of the inner wall of the mounting shell (11), a blocking block (24) is slidably and elastically matched in the blocking shell (23), a limiting block (21) is installed on the driving block (20), the limiting block (21) cooperates with the blocking block (24), and a windmill (19) is installed at one end of the rotating rod (15) located outside the mounting shell (11).

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