CN219430514U

CN219430514U - Telescopic structure of highway bridge

Info

Publication number: CN219430514U
Application number: CN202223497405.XU
Authority: CN
Inventors: 姜占民
Original assignee: Shaanxi Xinshengqiang Garden Construction Co ltd
Current assignee: Shaanxi Xinshengqiang Garden Construction Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-28
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a telescopic structure of a highway bridge, which comprises a mounting frame, wherein a second rack is mounted on the inner side of the mounting frame, a first gear is rotatably connected between the two groups of second racks, a third rack is meshed with the lower surface of the second rack, and a motor is mounted on the outer wall of the mounting frame. This kind of highway bridge's extending structure, control rack one is operated, drives the displacement piece and rotates, and the back is rotated to the displacement piece, and the gear that is connected on its outer wall will drive the motor and rotate, installs and will carry out rotary control to and the mounting groove of connection in the motor bottom, installs the welding piece cooperation on the outer wall and goes up runner and recess strip and will be used for clearing up axle spare and axle inner chamber wall.

Description

Telescopic structure of highway bridge

Technical Field

The utility model relates to the field of bridges, in particular to a telescopic structure of a highway bridge.

Background

The bridge is a building constructed for crossing natural or artificial obstacles on roads, is erected on rivers, lakes and seas, so that vehicles, pedestrians and the like can pass smoothly, after the bridge is constructed at present, the bridge is mostly fixed, and the bridge is more important to be portable when the bridge needs to be constructed for a short time and is used for crossing the dam during flood supply.

Disclosure of Invention

The utility model aims to provide a telescopic structure of a highway bridge, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a highway bridge's extending structure, includes the installing frame, rack two is installed to the inboard of installing frame, two sets of rotate between the rack two and be connected with gear one, rack three has been meshed to rack two's lower surface, install the motor on the outer wall of installing frame, the mounting groove is installed to the lower surface one end of installing frame, gear one and gear two are installed respectively to the inside groove position of mounting groove, install from the driving wheel between gear one and the gear two, and install the shaft part from the one end of driving wheel.

As still further aspects of the utility model: the outer wall of the rack II is provided with a side wheel and a rotating wheel respectively, and the outer wall parts of the rotating wheel and the side wheel are provided with groove strips.

As still further aspects of the utility model: the upper surface of recess strip is provided with the displacement piece, the upper surface fixedly connected with welding piece of displacement piece.

As still further aspects of the utility model: the middle part of the lower surface of the displacement block is provided with a first rack, the lower surface of the first rack is provided with a first gear, and the first rack is meshed with the first gear.

As still further aspects of the utility model: the lower surface of the second rack is meshed with the second gear.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model discloses, control rack one runs, drives the displacement piece and rotates, and the gear that is connected on its outer wall will drive the motor and rotate after the displacement piece rotates, installs the mounting groove that will be to and be connected in the motor bottom and carry out rotary control, installs the welding piece cooperation on the outer wall and go up runner and recess strip and will be used for clearing up shaft piece and axle inner chamber wall, and its structure is more optimized, design is more reasonable.

Drawings

Fig. 1 is a schematic structural view of a telescopic structure of a highway bridge.

Fig. 2 is a split view of a mounting frame in a telescopic structure of a highway bridge.

Fig. 3 is a cross-sectional view of a mounting frame in a telescopic structure of a highway bridge.

In the figure: the device comprises a mounting frame 1, a displacement block 2, a first rack 3, a first gear 4, a second rack 5, a shaft piece 6, a shaft bridge 7, a third rack 8, a motor 9, a side wheel 10, a rotating wheel 11, a groove strip 12, a welding block 13, a mounting groove 14 and a second gear 15.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in an embodiment of the utility model, a telescopic structure of a highway bridge includes a mounting frame 1, a rack two 5 is mounted on an inner side of the mounting frame 1, a gear one 4 is rotatably connected between the two groups of racks two 5, a rack three 8 is meshed with a lower surface of the rack two 5, a motor 9 is mounted on an outer wall of the mounting frame 1, a mounting groove 14 is mounted at one end of a lower surface of the mounting frame 1, a gear one 4 and a gear two 15 are respectively mounted at an inner groove part of the mounting groove 14, a driven wheel is mounted between the gear one 4 and the gear two 15, a shaft 6 is mounted at one end of the driven wheel, a side wheel 10 and a rotating wheel 11 are respectively mounted on an outer wall of the rack two 5, a groove strip 12 is arranged at an outer wall part of the rotating wheel 11 and the side wheel 10, a displacement block 2 is arranged on an upper surface of the groove strip 12, a welding block 13 is fixedly connected to an upper surface of the displacement block 2, a rack one 3 is mounted at a middle part of a lower surface of the displacement block 2, a gear one 4 is meshed with the gear one 4, and a rack one 3 is meshed with the gear one 4.

The working principle of the utility model is as follows: when the device is used, the motor 9 is controlled to operate so as to drive the shaft element 6 to rotate, after the shaft element 6 rotates, the gear connected to the outer wall of the shaft element drives the gear I4 and the gear II 15 to rotate, and the gear II 15 is matched with the notch formed in the lower surface of the rack II 5 so as to drive the rack II 5 to displace, and in the displacement of the rack II 5, the displacement block 2 connected to the upper surface of the rack II 5 is used for bearing an object;

the first gear 3 and the first gear 4 which are arranged in the middle of the lower surface of the displacement block 2 are in contact, meanwhile, the first gear 4 is arranged at the inner side of the second gear 5, the first gear 4 is driven to displace under the movement of the second gear 5, the first gear 3 meshed with the first gear 4 can realize walking movement, and then the expansion and contraction control of the displacement block 2 on the mounting frame 1 is realized, meanwhile, in the displacement of the second gear 5, the side wheel 10 and the rotating wheel 11 which are connected on the outer wall can slide in the notch of the groove strip 12, and the groove strip 12 is arranged at the outer wall of the displacement block 2.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a highway bridge's extending structure, includes installing frame (1), its characterized in that: the novel gear is characterized in that a rack II (5) is installed on the inner side of the installation frame (1), a gear I (4) is rotationally connected between the rack II (5), a rack III (8) is meshed on the lower surface of the rack II (5), a motor (9) is installed on the outer wall of the installation frame (1), an installation groove (14) is installed at one end of the lower surface of the installation frame (1), a gear I (4) and a gear II (15) are respectively installed at the inner groove part of the installation groove (14), a driven wheel is installed between the gear I (4) and the gear II (15), and a shaft piece (6) is installed at one end of the driven wheel.

2. The telescopic structure of a highway bridge according to claim 1, wherein: the outer wall of the rack II (5) is respectively provided with a side wheel (10) and a rotating wheel (11), and the outer wall parts of the rotating wheel (11) and the side wheel (10) are provided with groove strips (12).

3. A telescopic structure for a highway bridge according to claim 2, wherein: the upper surface of recess strip (12) is provided with displacement piece (2), the upper surface fixedly connected with welding piece (13) of displacement piece (2).

4. A telescopic structure for a highway bridge according to claim 3 wherein: the middle part of the lower surface of the displacement block (2) is provided with a first rack (3), the lower surface of the first rack (3) is provided with a first gear (4), and the first rack (3) is meshed with the first gear (4).

5. The telescopic structure of a highway bridge according to claim 1, wherein: the lower surface of the second rack (5) is meshed with the second gear (15).