Fastening device for mounting road sound barrier

Abstract

The utility model provides a fastening device for installing a road sound barrier, which relates to the technical field of sound barriers and comprises an outer plate, grooves are arranged on the left side face and the right side face of the outer plate, a cavity is arranged inside the outer plate, the inner wall of each groove is connected with an adjusting plate in a sliding mode, and the adjusting plates are arranged in the cavity. Clamping plates are slidably connected to the side faces, away from each other, of the two adjusting plates, and rail grooves are formed in the left side face and the right side face of the cavity. According to the fastening device for mounting the road sound barrier, by arranging a clamping plate, after a sound barrier plate body is placed in a groove, a threaded rod is driven to rotate by rotating a first adjusting nut, and the threaded rod rotates to drive a moving plate to move so as to drive a fixing sleeve to move; the fixing sleeve drives the rail block to move so as to drive the clamping plates to get close to each other, the clamping plates clamp the sound barrier plate bodies with different thicknesses, and the problem that in the prior art, a common fastening device is poor in applicability is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fastening device, concretely is a kind of fastening device for road sound barrier installation, belong to sound barrier technical field. BACKGROUND

[0002] Sound barrier is mainly used for the sound insulation and noise reduction of highway, expressway, elevated composite road and other noise sources. It is divided into reflection type sound barrier for pure sound insulation and composite sound barrier combining sound absorption and sound insulation. The latter is a more effective sound insulation method. Sound barrier is a common noise control measure, and sound barriers are also needed in noise-sensitive areas of many roads, railways and other roads. Many sound barriers are installed at high positions such as bridges and guardrails.

[0003] The existing sound barrier is usually installed with a fastening device for fixing the sound barrier during installation, and then the sound barrier plate body is installed between the two fastening devices. Due to different brands, types and application sites, the sound barrier plate body has different shapes. Although the industry specifications ensure the same size, there are still differences in the thickness of different sound barrier plate bodies. The fastening device needs to use additional bolts for auxiliary clamping when installing sound barrier plate bodies of different thicknesses. The adaptability is poor. Although the position of the fastening device is determined during design, the distance between the two fastening devices is slightly larger than the length of the sound barrier plate body due to the error during construction and the convenience of installing the sound barrier plate body. Although the excess gap does not affect the stability after being fixed by bolts, the excess gap still affects the noise reduction effect.

[0004] Therefore, a fastening device for road sound barrier installation is proposed. INVENTION CONTENTS

[0005] The utility model provides a kind of fastening device for road sound barrier installation to solve the problem of poor adaptability of common fastening device in prior art, and keep the close contact between fastening device and sound barrier plate body during use, eliminate the influence of gap at contact position.

[0006] The utility model is realized by the following technical scheme: a kind of fastening device for road sound barrier installation, including outer plate, recess is set in the left and right two side surfaces of the outer plate, chamber is set in the inside of the outer plate, the inner wall of recess is slidably connected with adjusting plate, the side surface of two adjusting plates away from each other is slidably connected with clamping plate, track slot is set in the left and right two side surfaces of chamber, track slot penetrates outer plate and adjusting plate, the side surface of clamping plate and adjusting plate contact is fixed with track block, the track block is slidably connected with track slot.

[0007] The outer surface of the track block is sleeved with a fixing sleeve, the inside of the chamber is provided with two moving plates, the moving plates are fixed with the corresponding fixing sleeves, the inner wall of the chamber is rotationally connected with a threaded rod, a bidirectional threaded groove is formed in the outer surface of the threaded rod, the moving plates are in threaded connection with the threaded rod, the threaded rod penetrates through the outer plate, and a first adjusting nut is fixed at the end of the threaded rod, the threaded rod can be driven to rotate through the rotation of the first adjusting nut driven by the electric drill.

[0008] Rubber sealing plates are fixed on the side of each of the two clamping plates away from each other and the side of each of the two adjusting plates away from each other, and the height of the rubber sealing plates is equal to that of the clamping plates and the adjusting plates, so that the rubber sealing plates are extruded by the sound barrier plate body when the clamping plates and the adjusting plates contact with the sound barrier plate body, thereby assisting in completing the sealing work.

[0009] Auxiliary rods are arranged between the two moving plates, the auxiliary rods penetrate through the moving plates, and the two ends of the auxiliary rods are fixed with the inner wall of the chamber, so that the torsion generated in the rotation of the threaded rod is offset by the auxiliary rods, and the stability of the moving plates is avoided from being affected by the torsion.

[0010] The inside of the outer plate is provided with a fixed plate, a gear is rotationally connected to the front face of the fixed plate, a toothed plate is slidably connected to the front face of the fixed plate, the gear is engaged with the toothed plate, connecting plates are fixed at the ends of the two toothed plates, openings corresponding to the connecting plates are formed in the inner wall of the chamber, and the connecting plates are fixed with the moving plates through the openings.

[0011] Adjusting rods are fixed on the side of the gear, the adjusting rods penetrate through the outer plate, and second adjusting nuts are fixed at the ends of the adjusting rods, so that the gear is driven to rotate through the rotation of the second adjusting nuts.

[0012] The side of each of the two toothed plates away from each other is provided with a supporting plate, the supporting plates are fixed with the fixed plate, and the toothed plates are slidably connected with the supporting plates, so that the stability of the toothed plates can be maintained through the supporting plates.

[0013] The utility model provides a fastening device for road sound barrier installation, and has the beneficial effects as follows:

[0014] 1、 the fastening device for road sound barrier installation, through setting up clamping plate, after placing sound barrier plate body in recess position, through rotating first adjusting nut and driving threaded rod to rotate, the rotation of threaded rod drives moving plate to remove and drives fixing sleeve to remove in turn, fixing sleeve drives track block to remove and drives clamping plate to draw close to each other, and clamping plate carries out clamping to sound barrier plate body of different thickness, has solved the problem that the common fastening device of prior art is poor in applicability.

[0015] 2、the fastening device for road sound barrier installation, after the sound barrier plate body is placed in the recess position, the second adjusting nut is rotated so that the adjusting rod is rotated, the rotation of the adjusting rod drives the gear to rotate, the rotation of the gear drives the toothed plate to move, the toothed plate drives the connecting plate to push the adjusting plate to move, so that the adjusting plate is in contact with the sound barrier plate body, and the rubber sealing plate is extruded through the sound barrier plate body, the sealing operation is assisted to be completed, and the fastening device and the sound barrier plate body can be kept in close contact during use, and the influence of the gap at the contact position is eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a sectional view of the outer plate side view of the utility model;

[0018] Figure 3 It is a structure schematic view of the threaded rod position of the utility model;

[0019] Figure 4 It is a structure schematic view of the gear position of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 1, outer plate;2, adjusting plate;3, clamping plate;4, track block;5, fixed sleeve;6, moving plate;7, threaded rod;8, first adjusting nut;9, rubber sealing plate;10, auxiliary rod;11, fixed plate;12, gear;13, toothed plate;14, connecting plate;15, adjusting rod;16, second adjusting nut;17, supporting plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0023] Please refer to Figures 1-4 The utility model discloses a fastening device for road sound barrier installation, including outer plate 1, the left and right two sides of outer plate 1 are all seted up with recess, the inside of outer plate 1 is seted up with chamber, the inner wall of recess is slidably connected with adjusting plate 2, the side of two adjusting plates 2 away from each other is slidably connected with clamping plate 3, the left and right two sides of chamber are all seted up with track slot, track slot penetrates outer plate 1 and adjusting plate 2, the side of clamping plate 3 and adjusting plate 2 contact is fixed with track block 4, and track block 4 is slidably connected with track slot.

[0024] Please refer to Figure 2 , Figure 3 and Figure 4 , the outer surface of the track block 4 is sleeved with a fixed sleeve 5, the inside of the chamber is provided with two moving plates 6, the moving plate 6 is fixed with the corresponding fixed sleeve 5, the inner wall of the chamber is rotatably connected with a threaded rod 7, the outer surface of the threaded rod 7 is provided with a bidirectional threaded groove, the moving plate 6 is threadedly connected with the threaded rod 7, the threaded rod 7 penetrates the outer plate 1, the end of the threaded rod 7 is fixedly connected with a first adjusting nut 8, the threaded rod 7 is driven to rotate by the rotation of the first adjusting nut 8 driven by the external electric drill, the side of the two clamping plates 3 close to each other and the side of the two adjusting plates 2 away from each other are fixedly connected with rubber sealing plates 9, and the height of the rubber sealing plate 9 is equal to that of the clamping plate 3 and the adjusting plate 2, when the clamping plate 3 and the adjusting plate 2 contact with the sound barrier plate body, the rubber sealing plate 9 is extruded by the sound barrier plate body, and the sealing operation is assisted to be completed.

[0025] Please refer to Figure 2 , Figure 3 and Figure 4 , the two moving plates 6 are provided with an auxiliary rod 10, the auxiliary rod 10 penetrates the moving plate 6, the two ends of the auxiliary rod 10 are fixed with the inner wall of the chamber, the torsion generated in the rotation of the threaded rod 7 is offset by the auxiliary rod 10, so that the stability of the moving plate 6 is not affected by the torsion, the inside of the outer plate 1 is provided with a fixed plate 11, the front surface of the fixed plate 11 is rotatably connected with a gear 12, the front surface of the fixed plate 11 is slidably connected with a toothed plate 13, the gear 12 is engaged with the toothed plate 13, the ends of the two toothed plates 13 are fixedly connected with connecting plates 14, the inner wall of the chamber is provided with an opening corresponding to the connecting plate 14, and the connecting plate 14 is fixed with the moving plate 6 through the opening.

[0026] Please refer to Figure 2 , Figure 3 and Figure 4 , the side of the gear 12 is fixedly connected with an adjusting rod 15, the adjusting rod 15 penetrates the outer plate 1, the end of the adjusting rod 15 is fixedly connected with a second adjusting nut 16, the rotation of the second adjusting nut 16 drives the rotation of the adjusting rod 15 and the gear 12, the sides of the two toothed plates 13 away from each other are provided with supporting plates 17, the supporting plates 17 are fixed with the fixed plate 11, the toothed plate 13 is slidably connected with the supporting plate 17, and the stability of the toothed plate 13 can be maintained by the supporting plate 17.

[0027] The utility model discloses when using: the sound barrier board body is placed in the recess position, rotates second adjusting nut 16 so that adjusting lever 15 carries out rotation, the rotation of adjusting lever 15 drives gear 12 to carry out rotation, the rotation of gear 12 drives tooth plate 13 to carry out the removal, tooth plate 13 drives connecting plate 14 to push adjusting plate 2 and removes, so that adjusting plate 2 is contacted with sound barrier board body, rotates first adjusting nut 8 and drives threaded rod 7 to carry out rotation, the rotation of threaded rod 7 drives moving plate 6 to carry out removal and drives fixed sleeve 5 to carry out removal, fixed sleeve 5 drives track block 4 to remove and drives clamping plate 3 to be close to each other, and clamping plate 3 carries out clamping to the sound barrier board body of different thickness, has solved the problem of poor applicability of common fastening device in prior art.

[0028] After completing the clamping of sound barrier board body and making adjusting plate 2 contact with sound barrier board body, the rubber sealing plate 9 is extruded by the sound barrier board body, and the sealing operation is assisted to complete, and the fastening device can keep close contact with the sound barrier board body in the process of use, and the influence of the gap at the contact position is eliminated.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and the utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fastening device for road sound barrier installation comprising an outer plate (1), characterized by: Both sides of the outer plate (1) are provided with grooves, the inner part of the outer plate (1) is provided with a chamber, the inner wall of the groove is slidably connected with an adjusting plate (2), both sides of the adjusting plate (2) are slidably connected with a clamping plate (3), both sides of the chamber are provided with a track groove, the track groove penetrates the outer plate (1) and the adjusting plate (2), the side of the clamping plate (3) in contact with the adjusting plate (2) is fixedly provided with a track block (4), and the track block (4) is slidably connected with the track groove.

2. The fastening device for installation of a road sound barrier according to claim 1, characterized in that: The outer surface of the track block (4) is sleeved with a fixing sleeve (5), the inner part of the chamber is provided with two moving plates (6), the moving plate (6) is fixed with the corresponding fixing sleeve (5), the inner wall of the chamber is rotatably connected with a threaded rod (7), the outer surface of the threaded rod (7) is provided with a bidirectional threaded groove, the moving plate (6) is threadedly connected with the threaded rod (7), the threaded rod (7) penetrates the outer plate (1), and the end of the threaded rod (7) is fixedly provided with a first adjusting nut (8).

3. The fastening device for installation of a road sound barrier according to claim 1, characterized in that: Both sides of the clamping plate (3) and both sides of the adjusting plate (2) are fixedly provided with rubber sealing plates (9), and the height of the rubber sealing plate (9) is equal to that of the clamping plate (3) and the adjusting plate (2).

4. The fastening device for installation of a road sound barrier according to claim 2, characterized in that: Two moving plates (6) are provided with an auxiliary rod (10), the auxiliary rod (10) penetrates the moving plate (6), and both ends of the auxiliary rod (10) are fixedly connected with the inner wall of the chamber.

5. A fastening device for installation of a road sound barrier according to claim 4, characterized in that: The inner part of the outer plate (1) is provided with a fixed plate (11), the front surface of the fixed plate (11) is rotatably connected with a gear (12), the front surface of the fixed plate (11) is slidably connected with a toothed plate (13), the gear (12) is engaged with the toothed plate (13), both ends of the toothed plate (13) are fixedly provided with a connecting plate (14), the inner wall of the chamber is provided with an opening corresponding to the connecting plate (14), and the connecting plate (14) is fixedly connected with the moving plate (6) through the opening.

6. A fastening device for installation of a road sound barrier according to claim 5, characterized in that: The side of the gear (12) is fixedly provided with an adjusting rod (15), the adjusting rod (15) penetrates the outer plate (1), and the end of the adjusting rod (15) is fixedly provided with a second adjusting nut (16).

7. The fastening device for installation of a road sound barrier according to claim 5, characterized in that: Both sides of the toothed plate (13) are provided with a supporting plate (17), the supporting plate (17) is fixedly connected with the fixed plate (11), and the toothed plate (13) is slidably connected with the supporting plate (17).

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