CN116815622A - A kind of Maurer comb plate bridge telescopic device - Google Patents

Abstract

The invention discloses a Mauler comb plate type bridge telescopic device, which includes a displacement box assembly, a tooth plate, and a telescopic hinge assembly; the displacement box assembly is arranged on the bridge, and the displacement box assembly is a plurality of groups arranged at intervals, so The number of the toothed plates is two, which are arranged oppositely. One end of the toothed plate is set on the displacement box assembly, and the other end is inserted into the other toothed plate. The telescopic hinge assembly is set between the two connected displacement box assemblies. The telescopic hinge assembly is arranged at the bottom of the tooth plate and is connected to the displacement box assembly through connecting plates and reinforcing plates. The invention can solve the thermal expansion and contraction deformation of highway bridges due to changes in ambient temperature, and is widely used in various high-speed bridges; This design combines the respective advantages of traditional Maurer expansion joints and comb plate expansion joints, turning the bridge expansion device from a consumable product widely recognized in the industry to a truly durable product with a life cycle extended to three years. ten years.

Description

A kind of Maurer comb plate bridge telescopic device

Technical field

The invention relates to the field of bridge expansion joints, and specifically refers to a Mauler comb plate type bridge expansion device.

Background technique

In recent years, with the rapid development of economy, urban construction and inter-city transportation construction have become a focus in infrastructure construction. The construction of bridges in the transportation industry has provided great convenience for transportation and occupies an important position in the transportation industry. Important position, a very important issue in bridge construction is the expansion joints between bridge units. In addition to coping with the thermal expansion and contraction caused by different temperatures, it is also necessary to reserve space for the vibration caused by the bridge's driving. In addition, the special natural Disasters such as earthquakes cause large vibrations to the bridge, and expansion joints also play a role in protecting the bridge. Therefore, the service life of expansion joints affects the service life of the bridge.

Contents of the invention

In order to solve the above technical problems, the technical solution provided by the present invention is: a Mauler comb plate type bridge telescopic device, including a displacement box assembly, a tooth plate, and a telescopic hinge assembly; the displacement box assembly is arranged on the bridge, and the displacement The box assembly is a plurality of groups arranged at intervals. The number of the tooth plates is two, which are arranged oppositely. One end of the tooth plate is arranged on the displacement box assembly, and the other end is inserted into the other tooth plate. The telescopic hinge assembly is provided Between the two connected displacement box components, the telescopic hinge component is arranged at the bottom of the tooth plate and is connected to the displacement box component through a connecting plate and a reinforcing plate.

The displacement box assembly includes a cross beam assembly and a displacement box arranged at both ends of the cross beam assembly. The two ends of the cross beam assembly are located in the displacement box, and its upper and lower sides are respectively connected to the inner wall of the displacement box through the displacement box pressure bearing. The two ends of the beam assembly are located in the displacement box, and their two sides are connected to the side walls of the displacement box through stoppers and bolts respectively. The displacement box includes a displacement box cover and a displacement box bottom plate arranged oppositely, and a displacement box side plate connecting the displacement box cover and the displacement box bottom plate. One end of the displacement box cover and the displacement box bottom plate is an open end, and the other end is connected. The rear plate of the displacement box is provided with a bar for installing the pressure-bearing support of the displacement box on the inside of the open end. A connecting rib is provided on the outside of the side plate of the displacement box. A round plate is provided on one end of the connecting rib away from the side plate of the displacement box. . The crossbeam assembly includes a crossbeam main body. Stainless steel plates are provided on the upper and lower sides of the crossbeam main body. Stoppers two connected to stopper one are provided on both sides of the two ends of the crossbeam main body.

The advantages of this invention compared with the existing technology are: this invention can solve the thermal expansion and contraction deformation of highway bridges due to changes in ambient temperature, and is widely used in various high-speed bridges; this design combines traditional Maurer expansion joints with comb The respective advantages of tooth plate expansion joints are combined to transform the bridge expansion device from a consumable product widely recognized in the industry to a truly durable product with a life cycle extended to thirty years.

Description of the drawings

Figure 1 is a schematic structural diagram of a Mauler comb plate bridge telescopic device according to the present invention.

Figure 2 is a schematic side structural view of a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 3 is a schematic cross-sectional view of the E-E line in Figure 1 of a Mauler comb plate type bridge expansion and contraction device according to the present invention.

Figure 4 is a schematic cross-sectional view of a Maurer comb plate type bridge expansion and contraction device in Figure 1 along F-F of the present invention.

Figure 5 is a schematic view of the H-direction in Figure 1 of a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 6 is a schematic structural diagram of the tooth plate in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 7 is a schematic structural diagram of the displacement box assembly in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 8 is a schematic side structural view of the displacement box in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 9 is a schematic cross-sectional view of the B-B in Figure 7 of a Mauler comb plate type bridge expansion and contraction device according to the present invention.

Figure 10 is a schematic structural diagram of a displacement box in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 11 is a schematic side structural diagram of a displacement box in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 12 is a schematic diagram of the end structure of the displacement box in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 13 is a schematic structural diagram of the crossbeam assembly in a Mauler comb plate type bridge expansion and contraction device according to the present invention.

Figure 14 is a schematic diagram of the end structure of the crossbeam assembly in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 15 is a schematic structural diagram of the pressure-bearing support of the moving box in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 16 is a schematic structural diagram of one of the sliding plates in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 17 is a schematic structural diagram of a telescopic hinge assembly in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 18 is a schematic side structural view of a telescopic hinge assembly in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 19 is a schematic structural diagram of the supporting component in a Mauler comb plate type bridge telescopic device according to the present invention.

Figure 20 is a schematic cross-sectional view of the support assembly in a Mauler comb plate type bridge telescopic device according to the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, rather than all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

In the description of the embodiments of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the invention is customarily placed when used. It is only for the convenience of describing the present invention and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore is not to be construed as a limitation of the invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish descriptions and shall not be understood as indicating or implying relative importance.

In addition, the presence of the terms "horizontal", "vertical", "overhanging", etc. does not mean that the component is required to be absolutely horizontal or overhanging, but may be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical". It does not mean that the structure must be completely horizontal, but can be slightly tilted.

In the description of the embodiments of the present invention, “plurality” represents at least two.

In the description of the embodiments of the present invention, it should also be noted that, unless otherwise clearly stated and limited, the terms "setting", "installation", "connecting" and "connecting" should be understood in a broad sense. For example, they can It can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or it can be an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Example:

With reference to Figures 1-20, a Mauler comb plate type bridge telescopic device includes a displacement box assembly 1, a tooth plate 2, and a telescopic hinge assembly 3; the displacement box assembly 1 is arranged on the bridge, and the displacement box assembly 1 is arranged at intervals. Multiple groups, the number of tooth plates 2 is two, which are arranged oppositely. One end of the tooth plate 2 is set on the displacement box assembly 1, and the other end is inserted into the other tooth plate 2. The telescopic hinge assembly 3 is set on the two connected displacement box assemblies 1. Between them, the telescopic hinge assembly 3 is arranged at the bottom of the tooth plate 2 and is connected to the displacement box assembly 1 through the connecting plate 4 and the reinforcing plate 5. Anchor rib assemblies 5 are also provided at both ends of the displacement box assembly 1 and on both sides.

The displacement box assembly 1 includes a cross beam assembly 101 and a displacement box 102 arranged at both ends of the cross beam assembly 101. The two ends of the cross beam assembly 101 are located in the displacement box 102. The upper and lower sides of the cross beam assembly 101 are respectively passed through the displacement box pressure support 103 and the inner wall of the displacement box 102. The two ends of the cross beam assembly 101 located in the displacement box 102 are connected to the side walls of the displacement box 102 through stoppers 104 and bolts 105 respectively.

The displacement box 102 includes a displacement box cover 102a and a displacement box bottom plate 102b arranged oppositely, and a displacement box side plate 102c connecting the displacement box cover 102a and the displacement box bottom plate 102b. One end of the displacement box cover 102a and the displacement box bottom plate 102b is an open end. , the other end is connected to the rear plate 102d of the displacement box, the inner side of the open end is provided with a bar 102e for installing the pressure bearing of the displacement box, the outer side of the side plate 102c of the displacement box is provided with a connecting rib 102f, and the connecting rib is 102f away from the side plate 102c of the displacement box. A round plate 102g is set at one end.

The crossbeam assembly 101 includes a crossbeam main body 101a. Stainless steel plates 101b are provided on the upper and lower sides of the crossbeam main body 101a. Stoppers 101c connected to the stoppers 104 are provided on both sides of the crossbeam main body 101a.

The displacement box pressure support 103 includes a rubber body 103a. A sliding plate 103b is arranged on the top of the rubber body 103a in contact with the inner wall of the displacement box 102. Several steel plates 103c are arranged in the rubber body 103a along the horizontal direction. Several arcs are arranged on one end of the top surface of the sliding box 103b. Shape groove one 103d.

The telescopic hinge assembly 3 includes a hinge 301 and hinge baffles 302 provided at both ends of the hinge 301. The hinge 301 includes an array of three-hole link flaps 301a arranged crosswise. The three-hole chain flaps 301a arranged crosswise are hinged through a linkage shaft 301b. The two ends of the chain flap 301a are hinged with another set of three-hole chain flaps 301a arranged crosswise through the linkage shaft 301b, and the two ends of the hinge 301 are hinged with the hinge baffle 302 through the side frame positioning shaft 301c.

The hinge baffle 302 includes a hinge baffle 302a connected to the hinge 301. A hinge baffle 302b is provided on the side of the hinge baffle 1 302a away from the hinge 301. A column 303 is also provided in the middle of the side of the hinge baffle 302a away from the hinge 301. .

A top support assembly 4 is provided at the intersection of the tooth plates 2 along the direction in which the tooth plates are arranged. The top support assembly 4 includes a top support seat plate 401 provided on the upper part of the tooth plate 2. A sliding plate is provided on the top of the top support seat plate 401 along the length direction of the top support assembly 4. 2 402. Barrels 403 are respectively provided on both sides of the second sliding plate 402. The second sliding plate 402 is connected to the supporting seat plate 401 through screws 404. Several arc-shaped grooves 405 are provided on the surface of the second sliding plate 402.

This invention can solve the thermal expansion and contraction deformation of highway bridges due to changes in ambient temperature, and is widely used in various high-speed bridges; this design combines the respective advantages of traditional Maurer expansion joints and comb plate expansion joints to make The bridge telescopic device has changed from a consumable product widely recognized in the industry to a truly durable product, with a life cycle extended to thirty years.

The present invention and its embodiments have been described above. This description is not limiting. What is shown in the drawings is only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person of ordinary skill in the art is inspired by the invention and without departing from the spirit of the invention, can devise structural methods and embodiments similar to the technical solution without inventiveness, they shall all fall within the protection scope of the invention.

Claims (10)

1. A Mauler comb plate type bridge telescopic device, characterized in that it includes a displacement box assembly, a tooth plate, and a telescopic hinge assembly; the displacement box assembly is arranged on the bridge, and the displacement box assembly is a plurality of groups arranged at intervals. , the number of the tooth plates is two, and they are arranged oppositely. One end of the tooth plate is set on the displacement box assembly, and the other end is inserted into the other tooth plate. The telescopic hinge assembly is set between the two connected displacement box assemblies. , the telescopic hinge assembly is arranged at the bottom of the tooth plate, and is connected to the displacement box assembly through the connecting plate and the reinforcing plate. 2. A kind of Mauler comb plate type bridge telescopic device according to claim 1, characterized in that the displacement box assembly includes a cross beam assembly and displacement boxes arranged at both ends of the cross beam assembly, and the two ends of the cross beam assembly are located at the displacement The upper and lower sides of the part inside the box are connected to the inner wall of the displacement box through the pressure bearing of the displacement box respectively. The two ends of the beam assembly are located in the displacement box, and both sides of the beam assembly are connected to the side walls of the displacement box through stoppers and bolts. connect. 3. A kind of Mauler comb-tooth plate type bridge telescopic device according to claim 2, characterized in that the displacement box includes a displacement box cover and a displacement box bottom plate arranged oppositely, and is connected to the displacement box cover and the displacement box bottom plate. The side plate of the displacement box, one end of the displacement box cover plate and the displacement box bottom plate is an open end, and the other end is connected to the rear plate of the displacement box. A bar for installing the pressure bearing support of the displacement box is provided on the inside of the open end. Connecting ribs are provided outwardly on the outside of the box side plates, and a circular plate is arranged on one end of the connecting ribs away from the displacement box side plates. 4. A Mauler comb plate type bridge telescopic device according to claim 2, characterized in that the beam assembly includes a beam body, and stainless steel plates are respectively provided on the upper and lower sides of the beam body. Stop two connected to stop one is respectively provided on both sides of the end. 5. A Mauler comb plate type bridge telescopic device according to claim 2, characterized in that the displacement box pressure support includes a rubber body, and a sliding plate in contact with the inner wall of the displacement box is provided on the top of the rubber body. Several steel plates are arranged in the rubber body along the horizontal direction. 6. A Mauler comb plate type bridge telescopic device according to claim 5, characterized in that a plurality of arc-shaped grooves are provided on one end of the top surface of the sliding plate. 7. A kind of Mauler comb plate bridge telescopic device according to claim 1, characterized in that the telescopic hinge assembly includes a hinge and hinge baffles arranged at both ends of the hinge, and the hinge includes an array of three cross-arranged Hole chain flaps, the cross-arranged three-hole chain flaps are hinged through linkage shafts, the two ends of the three-hole chain flaps are hinged to another group of cross-arranged three-hole chain flaps through the linkage shaft, and the two ends of the hinge are connected through side frames The positioning shaft is hinged with the hinge baffle. 8. A Mauler comb plate type bridge telescopic device according to claim 7, characterized in that the hinge baffle includes a hinge baffle connected to the hinge, and the hinge baffle 1 is on a side away from the hinge. A second hinge baffle is provided, and a column is also provided in the middle of the side of the first hinge baffle away from the hinge. 9. A Mauler comb plate type bridge telescopic device according to claim 1, characterized in that a support assembly is provided at the intersection of the tooth plates along the direction in which the tooth plates are arranged, and the support assembly includes a support assembly provided on the tooth plate. The top support seat plate on the upper part of the board is provided with two sliding plates along the length direction of the top support assembly. Barrels are provided on both sides of the two sliding plates. The two sliding plates are connected to the top support seat plate through screws. The surface of the sliding plate is provided with several arc-shaped grooves. 10. A Mauler comb plate type bridge telescopic device according to claim 1, characterized in that anchor rod assemblies are respectively provided at both ends of the displacement box assembly.